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authorMike Melanson <mike@multimedia.cx>2005-10-29 23:57:06 +0000
committerMike Melanson <mike@multimedia.cx>2005-10-29 23:57:06 +0000
commit03ac29c63fd3d5019c67b3662669b1c443896f0b (patch)
tree00db769b2943fce16b9967591652d2c0724be168 /src/libfaad
parentc7976c4d0d8d02fa18bc9fd82bafe99e333e2a53 (diff)
downloadxine-lib-03ac29c63fd3d5019c67b3662669b1c443896f0b.tar.gz
xine-lib-03ac29c63fd3d5019c67b3662669b1c443896f0b.tar.bz2
update libfaad2 to CVS snapshot 2004-09-15
CVS patchset: 7777 CVS date: 2005/10/29 23:57:06
Diffstat (limited to 'src/libfaad')
-rw-r--r--src/libfaad/Makefile.am3
-rw-r--r--src/libfaad/analysis.h2
-rw-r--r--src/libfaad/bits.c2
-rw-r--r--src/libfaad/bits.h18
-rw-r--r--src/libfaad/cfft.c420
-rw-r--r--src/libfaad/cfft.h6
-rw-r--r--src/libfaad/cfft_tab.h142
-rw-r--r--src/libfaad/codebook/hcb.h2
-rw-r--r--src/libfaad/codebook/hcb_1.h2
-rw-r--r--src/libfaad/codebook/hcb_10.h2
-rw-r--r--src/libfaad/codebook/hcb_11.h2
-rw-r--r--src/libfaad/codebook/hcb_2.h2
-rw-r--r--src/libfaad/codebook/hcb_3.h2
-rw-r--r--src/libfaad/codebook/hcb_4.h2
-rw-r--r--src/libfaad/codebook/hcb_5.h2
-rw-r--r--src/libfaad/codebook/hcb_6.h2
-rw-r--r--src/libfaad/codebook/hcb_7.h2
-rw-r--r--src/libfaad/codebook/hcb_8.h2
-rw-r--r--src/libfaad/codebook/hcb_9.h2
-rw-r--r--src/libfaad/codebook/hcb_sf.h2
-rw-r--r--src/libfaad/common.c387
-rw-r--r--src/libfaad/common.h95
-rw-r--r--src/libfaad/decoder.c292
-rw-r--r--src/libfaad/decoder.h67
-rw-r--r--src/libfaad/drc.c2
-rw-r--r--src/libfaad/drc.h2
-rw-r--r--src/libfaad/error.c10
-rw-r--r--src/libfaad/error.h6
-rw-r--r--src/libfaad/filtbank.c397
-rw-r--r--src/libfaad/filtbank.h8
-rw-r--r--src/libfaad/fixed.h81
-rw-r--r--src/libfaad/hcr.c587
-rw-r--r--src/libfaad/huffman.c63
-rw-r--r--src/libfaad/huffman.h2
-rw-r--r--src/libfaad/ic_predict.c2
-rw-r--r--src/libfaad/ic_predict.h2
-rw-r--r--src/libfaad/iq_table.h7174
-rw-r--r--src/libfaad/is.c4
-rw-r--r--src/libfaad/is.h2
-rw-r--r--src/libfaad/kbd_win.h2
-rw-r--r--src/libfaad/lt_predict.c2
-rw-r--r--src/libfaad/lt_predict.h2
-rw-r--r--src/libfaad/mdct.c348
-rw-r--r--src/libfaad/mdct.h5
-rw-r--r--src/libfaad/mp4.c44
-rw-r--r--src/libfaad/mp4.h16
-rw-r--r--src/libfaad/ms.c2
-rw-r--r--src/libfaad/ms.h2
-rw-r--r--src/libfaad/output.c206
-rw-r--r--src/libfaad/output.h4
-rw-r--r--src/libfaad/pns.c19
-rw-r--r--src/libfaad/pns.h4
-rw-r--r--src/libfaad/pulse.c5
-rw-r--r--src/libfaad/pulse.h2
-rw-r--r--src/libfaad/rvlc.c2
-rw-r--r--src/libfaad/rvlc.h2
-rw-r--r--src/libfaad/sbr_dct.c4420
-rw-r--r--src/libfaad/sbr_dct.h13
-rw-r--r--src/libfaad/sbr_dec.c323
-rw-r--r--src/libfaad/sbr_dec.h76
-rw-r--r--src/libfaad/sbr_e_nf.c437
-rw-r--r--src/libfaad/sbr_e_nf.h17
-rw-r--r--src/libfaad/sbr_fbt.c71
-rw-r--r--src/libfaad/sbr_fbt.h2
-rw-r--r--src/libfaad/sbr_hfadj.c1448
-rw-r--r--src/libfaad/sbr_hfadj.h18
-rw-r--r--src/libfaad/sbr_hfgen.c436
-rw-r--r--src/libfaad/sbr_hfgen.h4
-rw-r--r--src/libfaad/sbr_huff.c5
-rw-r--r--src/libfaad/sbr_huff.h2
-rw-r--r--src/libfaad/sbr_noise.h2
-rw-r--r--src/libfaad/sbr_qmf.c673
-rw-r--r--src/libfaad/sbr_qmf.h10
-rw-r--r--src/libfaad/sbr_qmf_c.h4
-rw-r--r--src/libfaad/sbr_syntax.c241
-rw-r--r--src/libfaad/sbr_syntax.h2
-rw-r--r--src/libfaad/sbr_tf_grid.c36
-rw-r--r--src/libfaad/sbr_tf_grid.h2
-rw-r--r--src/libfaad/sine_win.h2
-rw-r--r--src/libfaad/specrec.c460
-rw-r--r--src/libfaad/specrec.h14
-rw-r--r--src/libfaad/ssr.c2
-rw-r--r--src/libfaad/ssr.h2
-rw-r--r--src/libfaad/ssr_fb.c2
-rw-r--r--src/libfaad/ssr_fb.h2
-rw-r--r--src/libfaad/ssr_ipqf.c2
-rw-r--r--src/libfaad/ssr_ipqf.h2
-rw-r--r--src/libfaad/ssr_win.h2
-rw-r--r--src/libfaad/structs.h119
-rw-r--r--src/libfaad/syntax.c257
-rw-r--r--src/libfaad/syntax.h12
-rw-r--r--src/libfaad/tns.c42
-rw-r--r--src/libfaad/tns.h2
-rw-r--r--src/libfaad/xine_decoder.c30
94 files changed, 13917 insertions, 5746 deletions
diff --git a/src/libfaad/Makefile.am b/src/libfaad/Makefile.am
index eebcdbf81..0f77c55e3 100644
--- a/src/libfaad/Makefile.am
+++ b/src/libfaad/Makefile.am
@@ -18,6 +18,7 @@ xineplug_decode_faad_la_SOURCES = \
common.c \
decoder.c \
drc.c \
+ drm_dec.c \
error.c \
filtbank.c \
hcr.c \
@@ -30,6 +31,8 @@ xineplug_decode_faad_la_SOURCES = \
ms.c \
output.c \
pns.c \
+ ps_dec.c \
+ ps_syntax.c \
pulse.c \
rvlc.c \
sbr_dct.c \
diff --git a/src/libfaad/analysis.h b/src/libfaad/analysis.h
index 8cec20eb4..810a95f3b 100644
--- a/src/libfaad/analysis.h
+++ b/src/libfaad/analysis.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: analysis.h,v 1.6 2004/12/03 01:15:29 tmattern Exp $
+** $Id: analysis.h,v 1.7 2005/10/29 23:57:06 tmmm Exp $
**/
#ifndef __ANALYSIS_H__
diff --git a/src/libfaad/bits.c b/src/libfaad/bits.c
index 98d0f6730..ae273c7d8 100644
--- a/src/libfaad/bits.c
+++ b/src/libfaad/bits.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: bits.c,v 1.8 2004/12/03 01:15:29 tmattern Exp $
+** $Id: bits.c,v 1.9 2005/10/29 23:57:06 tmmm Exp $
**/
#include "common.h"
diff --git a/src/libfaad/bits.h b/src/libfaad/bits.h
index c17e4931e..a3c5f3572 100644
--- a/src/libfaad/bits.h
+++ b/src/libfaad/bits.h
@@ -1,19 +1,19 @@
/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
-**
+**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
-**
+**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
-**
+**
** You should have received a copy of the GNU General Public License
-** along with this program; if not, write to the Free Software
+** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
** Any non-GPL usage of this software or parts of this software is strictly
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: bits.h,v 1.9 2004/12/03 01:15:29 tmattern Exp $
+** $Id: bits.h,v 1.10 2005/10/29 23:57:06 tmmm Exp $
**/
#ifndef __BITS_H__
@@ -56,9 +56,9 @@ typedef struct _bitfile
} bitfile;
-#if defined(_MSC_VER)
+#if defined (_WIN32) && !defined(_WIN32_WCE) && !defined(__MINGW32__)
#define BSWAP(a) __asm mov eax,a __asm bswap eax __asm mov a, eax
-#elif defined(LINUX) || defined(DJGPP) || defined (__MINGW32__) || defined (__CYGWIN__)
+#elif defined(LINUX) || defined(DJGPP) || defined(__MINGW32__)
#define BSWAP(a) __asm__ ( "bswapl %0\n" : "=r" (a) : "0" (a) )
#else
#define BSWAP(a) \
@@ -317,7 +317,7 @@ typedef struct
/* bit input */
uint32_t bufa;
uint32_t bufb;
- int8_t len;
+ int8_t len;
} bits_t;
@@ -331,7 +331,7 @@ static INLINE uint32_t showbits_hcr(bits_t *ld, uint8_t bits)
if (ld->len >= bits)
return ((ld->bufa >> (ld->len - bits)) & (0xFFFFFFFF >> (32 - bits)));
else
- return ((ld->bufa << (bits - ld->len)) & (0xFFFFFFFF >> (32 - bits)));
+ return ((ld->bufa << (bits - ld->len)) & (0xFFFFFFFF >> (32 - bits)));
} else {
if ((ld->len - bits) < 32)
{
diff --git a/src/libfaad/cfft.c b/src/libfaad/cfft.c
index 73811e62d..ad3ebd1a5 100644
--- a/src/libfaad/cfft.c
+++ b/src/libfaad/cfft.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: cfft.c,v 1.10 2004/12/03 01:15:29 tmattern Exp $
+** $Id: cfft.c,v 1.11 2005/10/29 23:57:06 tmmm Exp $
**/
/*
@@ -44,14 +44,6 @@
/* static function declarations */
-#ifdef USE_SSE
-static void passf2pos_sse(const uint16_t l1, const complex_t *cc,
- complex_t *ch, const complex_t *wa);
-static void passf2pos_sse_ido(const uint16_t ido, const uint16_t l1, const complex_t *cc,
- complex_t *ch, const complex_t *wa);
-static void passf4pos_sse_ido(const uint16_t ido, const uint16_t l1, const complex_t *cc, complex_t *ch,
- const complex_t *wa1, const complex_t *wa2, const complex_t *wa3);
-#endif
static void passf2pos(const uint16_t ido, const uint16_t l1, const complex_t *cc,
complex_t *ch, const complex_t *wa);
static void passf2neg(const uint16_t ido, const uint16_t l1, const complex_t *cc,
@@ -74,89 +66,6 @@ static void cffti1(uint16_t n, complex_t *wa, uint16_t *ifac);
passf2, passf3, passf4, passf5. Complex FFT passes fwd and bwd.
----------------------------------------------------------------------*/
-#if 0 //def USE_SSE
-static void passf2pos_sse(const uint16_t l1, const complex_t *cc,
- complex_t *ch, const complex_t *wa)
-{
- uint16_t k, ah, ac;
-
- for (k = 0; k < l1; k++)
- {
- ah = 2*k;
- ac = 4*k;
-
- RE(ch[ah]) = RE(cc[ac]) + RE(cc[ac+1]);
- IM(ch[ah]) = IM(cc[ac]) + IM(cc[ac+1]);
-
- RE(ch[ah+l1]) = RE(cc[ac]) - RE(cc[ac+1]);
- IM(ch[ah+l1]) = IM(cc[ac]) - IM(cc[ac+1]);
- }
-}
-
-static void passf2pos_sse_ido(const uint16_t ido, const uint16_t l1, const complex_t *cc,
- complex_t *ch, const complex_t *wa)
-{
- uint16_t i, k, ah, ac;
-
- for (k = 0; k < l1; k++)
- {
- ah = k*ido;
- ac = 2*k*ido;
-
- for (i = 0; i < ido; i+=4)
- {
- __m128 m1, m2, m3, m4, m5, m6, m7, m8, m9, m10, m11, m12, m13, m14;
- __m128 m15, m16, m17, m18, m19, m20, m21, m22, m23, m24;
- __m128 w1, w2, w3, w4;
-
- m1 = _mm_load_ps(&RE(cc[ac+i]));
- m2 = _mm_load_ps(&RE(cc[ac+ido+i]));
- m5 = _mm_load_ps(&RE(cc[ac+i+2]));
- m6 = _mm_load_ps(&RE(cc[ac+ido+i+2]));
- w1 = _mm_load_ps(&RE(wa[i]));
- w3 = _mm_load_ps(&RE(wa[i+2]));
-
- m3 = _mm_add_ps(m1, m2);
- m15 = _mm_add_ps(m5, m6);
-
- m4 = _mm_sub_ps(m1, m2);
- m16 = _mm_sub_ps(m5, m6);
-
- _mm_store_ps(&RE(ch[ah+i]), m3);
- _mm_store_ps(&RE(ch[ah+i+2]), m15);
-
-
- w2 = _mm_shuffle_ps(w1, w1, _MM_SHUFFLE(2, 3, 0, 1));
- w4 = _mm_shuffle_ps(w3, w3, _MM_SHUFFLE(2, 3, 0, 1));
-
- m7 = _mm_mul_ps(m4, w1);
- m17 = _mm_mul_ps(m16, w3);
- m8 = _mm_mul_ps(m4, w2);
- m18 = _mm_mul_ps(m16, w4);
-
- m9 = _mm_shuffle_ps(m7, m8, _MM_SHUFFLE(2, 0, 2, 0));
- m19 = _mm_shuffle_ps(m17, m18, _MM_SHUFFLE(2, 0, 2, 0));
- m10 = _mm_shuffle_ps(m7, m8, _MM_SHUFFLE(3, 1, 3, 1));
- m20 = _mm_shuffle_ps(m17, m18, _MM_SHUFFLE(3, 1, 3, 1));
-
- m11 = _mm_add_ps(m9, m10);
- m21 = _mm_add_ps(m19, m20);
- m12 = _mm_sub_ps(m9, m10);
- m22 = _mm_sub_ps(m19, m20);
-
- m13 = _mm_shuffle_ps(m11, m11, _MM_SHUFFLE(0, 0, 3, 2));
- m23 = _mm_shuffle_ps(m21, m21, _MM_SHUFFLE(0, 0, 3, 2));
-
- m14 = _mm_unpacklo_ps(m12, m13);
- m24 = _mm_unpacklo_ps(m22, m23);
-
- _mm_store_ps(&RE(ch[ah+i+l1*ido]), m14);
- _mm_store_ps(&RE(ch[ah+i+2+l1*ido]), m24);
- }
- }
-}
-#endif
-
static void passf2pos(const uint16_t ido, const uint16_t l1, const complex_t *cc,
complex_t *ch, const complex_t *wa)
{
@@ -385,218 +294,6 @@ static void passf3(const uint16_t ido, const uint16_t l1, const complex_t *cc,
}
}
-#ifdef USE_SSE
-ALIGN static const int32_t negate[4] = { 0x0, 0x0, 0x0, 0x80000000 };
-
-__declspec(naked) static void passf4pos_sse(const uint16_t l1, const complex_t *cc,
- complex_t *ch, const complex_t *wa1, const complex_t *wa2,
- const complex_t *wa3)
-{
- __asm {
- push ebx
- mov ebx, esp
- and esp, -16
- push edi
- push esi
- sub esp, 8
- movzx edi, WORD PTR [ebx+8]
-
- movaps xmm1, XMMWORD PTR negate
-
- test edi, edi
- jle l1_is_zero
-
- lea esi, DWORD PTR [edi+edi]
- add esi, esi
- sub esi, edi
- add esi, esi
- add esi, esi
- add esi, esi
- mov eax, DWORD PTR [ebx+16]
- add esi, eax
- lea ecx, DWORD PTR [edi+edi]
- add ecx, ecx
- add ecx, ecx
- add ecx, ecx
- add ecx, eax
- lea edx, DWORD PTR [edi+edi]
- add edx, edx
- add edx, edx
- add edx, eax
- xor eax, eax
- mov DWORD PTR [esp], ebp
- mov ebp, DWORD PTR [ebx+12]
-
-fftloop:
- lea edi, DWORD PTR [eax+eax]
- add edi, edi
- movaps xmm2, XMMWORD PTR [ebp+edi*8]
- movaps xmm0, XMMWORD PTR [ebp+edi*8+16]
- movaps xmm7, XMMWORD PTR [ebp+edi*8+32]
- movaps xmm5, XMMWORD PTR [ebp+edi*8+48]
- movaps xmm6, xmm2
- addps xmm6, xmm0
- movaps xmm4, xmm1
- xorps xmm4, xmm7
- movaps xmm3, xmm1
- xorps xmm3, xmm5
- xorps xmm2, xmm1
- xorps xmm0, xmm1
- addps xmm7, xmm5
- subps xmm2, xmm0
- movaps xmm0, xmm6
- shufps xmm0, xmm7, 68
- subps xmm4, xmm3
- shufps xmm6, xmm7, 238
- movaps xmm5, xmm2
- shufps xmm5, xmm4, 68
- movaps xmm3, xmm0
- addps xmm3, xmm6
- shufps xmm2, xmm4, 187
- subps xmm0, xmm6
- movaps xmm4, xmm5
- addps xmm4, xmm2
- mov edi, DWORD PTR [ebx+16]
- movaps XMMWORD PTR [edi+eax*8], xmm3
- subps xmm5, xmm2
- movaps XMMWORD PTR [edx+eax*8], xmm4
- movaps XMMWORD PTR [ecx+eax*8], xmm0
- movaps XMMWORD PTR [esi+eax*8], xmm5
- add eax, 2
- movzx eax, ax
- movzx edi, WORD PTR [ebx+8]
- cmp eax, edi
- jl fftloop
-
- mov ebp, DWORD PTR [esp]
-
-l1_is_zero:
-
- add esp, 8
- pop esi
- pop edi
- mov esp, ebx
- pop ebx
- ret
- }
-}
-#endif
-
-#if 0
-static void passf4pos_sse_ido(const uint16_t ido, const uint16_t l1, const complex_t *cc,
- complex_t *ch, const complex_t *wa1, const complex_t *wa2,
- const complex_t *wa3)
-{
- uint16_t i, k, ac, ah;
-
- for (k = 0; k < l1; k++)
- {
- ac = 4*k*ido;
- ah = k*ido;
-
- for (i = 0; i < ido; i+=2)
- {
- __m128 m1, m2, m3, m4, m5, m6, m7, m8, m9, m10, m11, m12, m13, m14, m15, m16;
- __m128 n1, n2, n3, n4, n5, n6, n7, n8, n9, m17, m18, m19, m20, m21, m22, m23;
- __m128 w1, w2, w3, w4, w5, w6, m24, m25, m26, m27, m28, m29, m30;
- __m128 neg1 = _mm_set_ps(-1.0, 1.0, -1.0, 1.0);
-
- m1 = _mm_load_ps(&RE(cc[ac+i]));
- m2 = _mm_load_ps(&RE(cc[ac+i+2*ido]));
- m3 = _mm_add_ps(m1, m2);
- m4 = _mm_sub_ps(m1, m2);
-
- n1 = _mm_load_ps(&RE(cc[ac+i+ido]));
- n2 = _mm_load_ps(&RE(cc[ac+i+3*ido]));
- n3 = _mm_add_ps(n1, n2);
-
- n4 = _mm_mul_ps(neg1, n1);
- n5 = _mm_mul_ps(neg1, n2);
- n6 = _mm_sub_ps(n4, n5);
-
- m5 = _mm_add_ps(m3, n3);
-
- n7 = _mm_shuffle_ps(n6, n6, _MM_SHUFFLE(2, 3, 0, 1));
- n8 = _mm_add_ps(m4, n7);
-
- m6 = _mm_sub_ps(m3, n3);
- n9 = _mm_sub_ps(m4, n7);
-
- _mm_store_ps(&RE(ch[ah+i]), m5);
-
-#if 0
- static INLINE void ComplexMult(real_t *y1, real_t *y2,
- real_t x1, real_t x2, real_t c1, real_t c2)
- {
- *y1 = MUL_F(x1, c1) + MUL_F(x2, c2);
- *y2 = MUL_F(x2, c1) - MUL_F(x1, c2);
- }
-
- m7.0 = RE(c2)*RE(wa1[i])
- m7.1 = IM(c2)*IM(wa1[i])
- m7.2 = RE(c6)*RE(wa1[i+1])
- m7.3 = IM(c6)*IM(wa1[i+1])
-
- m8.0 = RE(c2)*IM(wa1[i])
- m8.1 = IM(c2)*RE(wa1[i])
- m8.2 = RE(c6)*IM(wa1[i+1])
- m8.3 = IM(c6)*RE(wa1[i+1])
-
- RE(0) = m7.0 - m7.1
- IM(0) = m8.0 + m8.1
- RE(1) = m7.2 - m7.3
- IM(1) = m8.2 + m8.3
-
- ////
- RE(0) = RE(c2)*RE(wa1[i]) - IM(c2)*IM(wa1[i])
- IM(0) = RE(c2)*IM(wa1[i]) + IM(c2)*RE(wa1[i])
- RE(1) = RE(c6)*RE(wa1[i+1]) - IM(c6)*IM(wa1[i+1])
- IM(1) = RE(c6)*IM(wa1[i+1]) + IM(c6)*RE(wa1[i+1])
-#endif
-
- w1 = _mm_load_ps(&RE(wa1[i]));
- w3 = _mm_load_ps(&RE(wa2[i]));
- w5 = _mm_load_ps(&RE(wa3[i]));
-
- w2 = _mm_shuffle_ps(w1, w1, _MM_SHUFFLE(2, 3, 0, 1));
- w4 = _mm_shuffle_ps(w3, w3, _MM_SHUFFLE(2, 3, 0, 1));
- w6 = _mm_shuffle_ps(w5, w5, _MM_SHUFFLE(2, 3, 0, 1));
-
- m7 = _mm_mul_ps(n8, w1);
- m15 = _mm_mul_ps(m6, w3);
- m23 = _mm_mul_ps(n9, w5);
- m8 = _mm_mul_ps(n8, w2);
- m16 = _mm_mul_ps(m6, w4);
- m24 = _mm_mul_ps(n9, w6);
-
- m9 = _mm_shuffle_ps(m7, m8, _MM_SHUFFLE(2, 0, 2, 0));
- m17 = _mm_shuffle_ps(m15, m16, _MM_SHUFFLE(2, 0, 2, 0));
- m25 = _mm_shuffle_ps(m23, m24, _MM_SHUFFLE(2, 0, 2, 0));
- m10 = _mm_shuffle_ps(m7, m8, _MM_SHUFFLE(3, 1, 3, 1));
- m18 = _mm_shuffle_ps(m15, m16, _MM_SHUFFLE(3, 1, 3, 1));
- m26 = _mm_shuffle_ps(m23, m24, _MM_SHUFFLE(3, 1, 3, 1));
-
- m11 = _mm_add_ps(m9, m10);
- m19 = _mm_add_ps(m17, m18);
- m27 = _mm_add_ps(m25, m26);
- m12 = _mm_sub_ps(m9, m10);
- m20 = _mm_sub_ps(m17, m18);
- m28 = _mm_sub_ps(m25, m26);
-
- m13 = _mm_shuffle_ps(m11, m11, _MM_SHUFFLE(0, 0, 3, 2));
- m21 = _mm_shuffle_ps(m19, m19, _MM_SHUFFLE(0, 0, 3, 2));
- m29 = _mm_shuffle_ps(m27, m27, _MM_SHUFFLE(0, 0, 3, 2));
- m14 = _mm_unpacklo_ps(m12, m13);
- m22 = _mm_unpacklo_ps(m20, m21);
- m30 = _mm_unpacklo_ps(m28, m29);
-
- _mm_store_ps(&RE(ch[ah+i+l1*ido]), m14);
- _mm_store_ps(&RE(ch[ah+i+2*l1*ido]), m22);
- _mm_store_ps(&RE(ch[ah+i+3*l1*ido]), m30);
- }
- }
-}
-#endif
static void passf4pos(const uint16_t ido, const uint16_t l1, const complex_t *cc,
complex_t *ch, const complex_t *wa1, const complex_t *wa2,
@@ -992,101 +689,6 @@ static void passf5(const uint16_t ido, const uint16_t l1, const complex_t *cc,
cfftf1, cfftf, cfftb, cffti1, cffti. Complex FFTs.
----------------------------------------------------------------------*/
-#ifdef USE_SSE
-
-#define CONV(A,B,C) ( (A<<2) | ((B & 0x1)<<1) | ((C==1)&0x1) )
-
-static INLINE void cfftf1pos_sse(uint16_t n, complex_t *c, complex_t *ch,
- const uint16_t *ifac, const complex_t *wa,
- const int8_t isign)
-{
- uint16_t i;
- uint16_t k1, l1, l2;
- uint16_t na, nf, ip, iw, ix2, ix3, ix4, ido, idl1;
-
- nf = ifac[1];
- na = 0;
- l1 = 1;
- iw = 0;
-
- for (k1 = 2; k1 <= nf+1; k1++)
- {
- ip = ifac[k1];
- l2 = ip*l1;
- ido = n / l2;
- idl1 = ido*l1;
-
- ix2 = iw + ido;
- ix3 = ix2 + ido;
- ix4 = ix3 + ido;
-
- switch (CONV(ip,na,ido))
- {
- case CONV(4,0,0):
- //passf4pos_sse_ido((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)c, ch, &wa[iw], &wa[ix2], &wa[ix3]);
- passf4pos((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)c, ch, &wa[iw], &wa[ix2], &wa[ix3]);
- break;
- case CONV(4,0,1):
- passf4pos_sse((const uint16_t)l1, (const complex_t*)c, ch, &wa[iw], &wa[ix2], &wa[ix3]);
- break;
- case CONV(4,1,0):
- passf4pos((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)ch, c, &wa[iw], &wa[ix2], &wa[ix3]);
- //passf4pos_sse_ido((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)ch, c, &wa[iw], &wa[ix2], &wa[ix3]);
- break;
- case CONV(4,1,1):
- passf4pos_sse((const uint16_t)l1, (const complex_t*)ch, c, &wa[iw], &wa[ix2], &wa[ix3]);
- break;
- case CONV(2,0,0):
- passf2pos((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)c, ch, &wa[iw]);
- //passf2pos_sse_ido((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)c, ch, &wa[iw]);
- break;
- case CONV(2,0,1):
- passf2pos((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)c, ch, &wa[iw]);
- //passf2pos_sse((const uint16_t)l1, (const complex_t*)c, ch, &wa[iw]);
- break;
- case CONV(2,1,0):
- passf2pos((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)ch, c, &wa[iw]);
- //passf2pos_sse_ido((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)ch, c, &wa[iw]);
- break;
- case CONV(2,1,1):
- passf2pos((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)ch, c, &wa[iw]);
- //passf2pos_sse((const uint16_t)l1, (const complex_t*)ch, c, &wa[iw]);
- break;
- case CONV(3,0,0):
- case CONV(3,0,1):
- passf3((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)c, ch, &wa[iw], &wa[ix2], isign);
- break;
- case CONV(3,1,0):
- case CONV(3,1,1):
- passf3((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)ch, c, &wa[iw], &wa[ix2], isign);
- break;
- case CONV(5,0,0):
- case CONV(5,0,1):
- passf5((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)c, ch, &wa[iw], &wa[ix2], &wa[ix3], &wa[ix4], isign);
- break;
- case CONV(5,1,0):
- case CONV(5,1,1):
- passf5((const uint16_t)ido, (const uint16_t)l1, (const complex_t*)ch, c, &wa[iw], &wa[ix2], &wa[ix3], &wa[ix4], isign);
- break;
- }
-
- na = 1 - na;
-
- l1 = l2;
- iw += (ip-1) * ido;
- }
-
- if (na == 0)
- return;
-
- for (i = 0; i < n; i++)
- {
- RE(c[i]) = RE(ch[i]);
- IM(c[i]) = IM(ch[i]);
- }
-}
-#endif
-
static INLINE void cfftf1pos(uint16_t n, complex_t *c, complex_t *ch,
const uint16_t *ifac, const complex_t *wa,
const int8_t isign)
@@ -1255,13 +857,6 @@ void cfftb(cfft_info *cfft, complex_t *c)
cfftf1pos(cfft->n, c, cfft->work, (const uint16_t*)cfft->ifac, (const complex_t*)cfft->tab, +1);
}
-#ifdef USE_SSE
-void cfftb_sse(cfft_info *cfft, complex_t *c)
-{
- cfftf1pos_sse(cfft->n, c, cfft->work, (const uint16_t*)cfft->ifac, (const complex_t*)cfft->tab, +1);
-}
-#endif
-
static void cffti1(uint16_t n, complex_t *wa, uint16_t *ifac)
{
static uint16_t ntryh[4] = {3, 4, 2, 5};
@@ -1375,19 +970,20 @@ cfft_info *cffti(uint16_t n)
switch (n)
{
- case 64: cfft->tab = cfft_tab_64; break;
- case 512: cfft->tab = cfft_tab_512; break;
+ case 64: cfft->tab = (complex_t*)cfft_tab_64; break;
+ case 512: cfft->tab = (complex_t*)cfft_tab_512; break;
#ifdef LD_DEC
- case 256: cfft->tab = cfft_tab_256; break;
+ case 256: cfft->tab = (complex_t*)cfft_tab_256; break;
#endif
#ifdef ALLOW_SMALL_FRAMELENGTH
- case 60: cfft->tab = cfft_tab_60; break;
- case 480: cfft->tab = cfft_tab_480; break;
+ case 60: cfft->tab = (complex_t*)cfft_tab_60; break;
+ case 480: cfft->tab = (complex_t*)cfft_tab_480; break;
#ifdef LD_DEC
- case 240: cfft->tab = cfft_tab_240; break;
+ case 240: cfft->tab = (complex_t*)cfft_tab_240; break;
#endif
#endif
+ case 128: cfft->tab = (complex_t*)cfft_tab_128; break;
}
#endif
diff --git a/src/libfaad/cfft.h b/src/libfaad/cfft.h
index db567a17d..a29537bed 100644
--- a/src/libfaad/cfft.h
+++ b/src/libfaad/cfft.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: cfft.h,v 1.8 2004/12/03 01:15:30 tmattern Exp $
+** $Id: cfft.h,v 1.9 2005/10/29 23:57:06 tmmm Exp $
**/
#ifndef __CFFT_H__
@@ -46,10 +46,6 @@ void cfftb(cfft_info *cfft, complex_t *c);
cfft_info *cffti(uint16_t n);
void cfftu(cfft_info *cfft);
-#ifdef USE_SSE
-void cfftb_sse(cfft_info *cfft, complex_t *c);
-#endif
-
#ifdef __cplusplus
}
diff --git a/src/libfaad/cfft_tab.h b/src/libfaad/cfft_tab.h
index 45a79fcea..072a991f1 100644
--- a/src/libfaad/cfft_tab.h
+++ b/src/libfaad/cfft_tab.h
@@ -1,19 +1,19 @@
/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
-**
+**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
-**
+**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
-**
+**
** You should have received a copy of the GNU General Public License
-** along with this program; if not, write to the Free Software
+** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
** Any non-GPL usage of this software or parts of this software is strictly
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: cfft_tab.h,v 1.5 2004/12/03 01:15:30 tmattern Exp $
+** $Id: cfft_tab.h,v 1.6 2005/10/29 23:57:06 tmmm Exp $
**/
#ifndef __CFFT_TAB_H__
@@ -1680,6 +1680,138 @@ ALIGN static const complex_t cfft_tab_240[] =
#endif
+ALIGN static const complex_t cfft_tab_128[] =
+{
+ { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) },
+ { FRAC_CONST(0.998795449733734), FRAC_CONST(0.049067676067352) },
+ { FRAC_CONST(0.995184719562531), FRAC_CONST(0.098017141222954) },
+ { FRAC_CONST(0.989176511764526), FRAC_CONST(0.146730467677116) },
+ { FRAC_CONST(0.980785250663757), FRAC_CONST(0.195090323686600) },
+ { FRAC_CONST(0.970031261444092), FRAC_CONST(0.242980197072029) },
+ { FRAC_CONST(0.956940352916718), FRAC_CONST(0.290284663438797) },
+ { FRAC_CONST(0.941544055938721), FRAC_CONST(0.336889863014221) },
+ { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) },
+ { FRAC_CONST(0.903989315032959), FRAC_CONST(0.427555084228516) },
+ { FRAC_CONST(0.881921231746674), FRAC_CONST(0.471396744251251) },
+ { FRAC_CONST(0.857728600502014), FRAC_CONST(0.514102756977081) },
+ { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) },
+ { FRAC_CONST(0.803207516670227), FRAC_CONST(0.595699310302734) },
+ { FRAC_CONST(0.773010432720184), FRAC_CONST(0.634393334388733) },
+ { FRAC_CONST(0.740951120853424), FRAC_CONST(0.671558976173401) },
+ { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) },
+ { FRAC_CONST(0.671558916568756), FRAC_CONST(0.740951180458069) },
+ { FRAC_CONST(0.634393274784088), FRAC_CONST(0.773010432720184) },
+ { FRAC_CONST(0.595699310302734), FRAC_CONST(0.803207516670227) },
+ { FRAC_CONST(0.555570185184479), FRAC_CONST(0.831469655036926) },
+ { FRAC_CONST(0.514102697372437), FRAC_CONST(0.857728660106659) },
+ { FRAC_CONST(0.471396654844284), FRAC_CONST(0.881921291351318) },
+ { FRAC_CONST(0.427555114030838), FRAC_CONST(0.903989315032959) },
+ { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) },
+ { FRAC_CONST(0.336889833211899), FRAC_CONST(0.941544055938721) },
+ { FRAC_CONST(0.290284633636475), FRAC_CONST(0.956940352916718) },
+ { FRAC_CONST(0.242980122566223), FRAC_CONST(0.970031261444092) },
+ { FRAC_CONST(0.195090234279633), FRAC_CONST(0.980785310268402) },
+ { FRAC_CONST(0.146730497479439), FRAC_CONST(0.989176511764526) },
+ { FRAC_CONST(0.098017133772373), FRAC_CONST(0.995184719562531) },
+ { FRAC_CONST(0.049067649990320), FRAC_CONST(0.998795449733734) },
+ { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) },
+ { FRAC_CONST(-0.049067739397287), FRAC_CONST(0.998795449733734) },
+ { FRAC_CONST(-0.098017223179340), FRAC_CONST(0.995184719562531) },
+ { FRAC_CONST(-0.146730571985245), FRAC_CONST(0.989176511764526) },
+ { FRAC_CONST(-0.195090323686600), FRAC_CONST(0.980785250663757) },
+ { FRAC_CONST(-0.242980197072029), FRAC_CONST(0.970031261444092) },
+ { FRAC_CONST(-0.290284723043442), FRAC_CONST(0.956940293312073) },
+ { FRAC_CONST(-0.336889922618866), FRAC_CONST(0.941544055938721) },
+ { FRAC_CONST(-0.382683515548706), FRAC_CONST(0.923879504203796) },
+ { FRAC_CONST(-0.427555084228516), FRAC_CONST(0.903989315032959) },
+ { FRAC_CONST(-0.471396833658218), FRAC_CONST(0.881921231746674) },
+ { FRAC_CONST(-0.514102756977081), FRAC_CONST(0.857728600502014) },
+ { FRAC_CONST(-0.555570363998413), FRAC_CONST(0.831469535827637) },
+ { FRAC_CONST(-0.595699369907379), FRAC_CONST(0.803207516670227) },
+ { FRAC_CONST(-0.634393274784088), FRAC_CONST(0.773010492324829) },
+ { FRAC_CONST(-0.671559035778046), FRAC_CONST(0.740951061248779) },
+ { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) },
+ { FRAC_CONST(-0.740951240062714), FRAC_CONST(0.671558856964111) },
+ { FRAC_CONST(-0.773010492324829), FRAC_CONST(0.634393274784088) },
+ { FRAC_CONST(-0.803207635879517), FRAC_CONST(0.595699131488800) },
+ { FRAC_CONST(-0.831469655036926), FRAC_CONST(0.555570185184479) },
+ { FRAC_CONST(-0.857728600502014), FRAC_CONST(0.514102756977081) },
+ { FRAC_CONST(-0.881921350955963), FRAC_CONST(0.471396625041962) },
+ { FRAC_CONST(-0.903989315032959), FRAC_CONST(0.427555054426193) },
+ { FRAC_CONST(-0.923879623413086), FRAC_CONST(0.382683277130127) },
+ { FRAC_CONST(-0.941544115543365), FRAC_CONST(0.336889803409576) },
+ { FRAC_CONST(-0.956940352916718), FRAC_CONST(0.290284723043442) },
+ { FRAC_CONST(-0.970031261444092), FRAC_CONST(0.242980077862740) },
+ { FRAC_CONST(-0.980785310268402), FRAC_CONST(0.195090308785439) },
+ { FRAC_CONST(-0.989176511764526), FRAC_CONST(0.146730333566666) },
+ { FRAC_CONST(-0.995184719562531), FRAC_CONST(0.098017096519470) },
+ { FRAC_CONST(-0.998795449733734), FRAC_CONST(0.049067486077547) },
+ { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) },
+ { FRAC_CONST(0.995184719562531), FRAC_CONST(0.098017141222954) },
+ { FRAC_CONST(0.980785250663757), FRAC_CONST(0.195090323686600) },
+ { FRAC_CONST(0.956940352916718), FRAC_CONST(0.290284663438797) },
+ { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) },
+ { FRAC_CONST(0.881921231746674), FRAC_CONST(0.471396744251251) },
+ { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) },
+ { FRAC_CONST(0.773010432720184), FRAC_CONST(0.634393334388733) },
+ { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) },
+ { FRAC_CONST(0.634393274784088), FRAC_CONST(0.773010432720184) },
+ { FRAC_CONST(0.555570185184479), FRAC_CONST(0.831469655036926) },
+ { FRAC_CONST(0.471396654844284), FRAC_CONST(0.881921291351318) },
+ { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) },
+ { FRAC_CONST(0.290284633636475), FRAC_CONST(0.956940352916718) },
+ { FRAC_CONST(0.195090234279633), FRAC_CONST(0.980785310268402) },
+ { FRAC_CONST(0.098017133772373), FRAC_CONST(0.995184719562531) },
+ { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) },
+ { FRAC_CONST(0.980785250663757), FRAC_CONST(0.195090323686600) },
+ { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) },
+ { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) },
+ { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) },
+ { FRAC_CONST(0.555570185184479), FRAC_CONST(0.831469655036926) },
+ { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) },
+ { FRAC_CONST(0.195090234279633), FRAC_CONST(0.980785310268402) },
+ { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) },
+ { FRAC_CONST(-0.195090323686600), FRAC_CONST(0.980785250663757) },
+ { FRAC_CONST(-0.382683515548706), FRAC_CONST(0.923879504203796) },
+ { FRAC_CONST(-0.555570363998413), FRAC_CONST(0.831469535827637) },
+ { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) },
+ { FRAC_CONST(-0.831469655036926), FRAC_CONST(0.555570185184479) },
+ { FRAC_CONST(-0.923879623413086), FRAC_CONST(0.382683277130127) },
+ { FRAC_CONST(-0.980785310268402), FRAC_CONST(0.195090308785439) },
+ { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) },
+ { FRAC_CONST(0.956940352916718), FRAC_CONST(0.290284663438797) },
+ { FRAC_CONST(0.831469595432281), FRAC_CONST(0.555570244789124) },
+ { FRAC_CONST(0.634393274784088), FRAC_CONST(0.773010432720184) },
+ { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) },
+ { FRAC_CONST(0.098017133772373), FRAC_CONST(0.995184719562531) },
+ { FRAC_CONST(-0.195090323686600), FRAC_CONST(0.980785250663757) },
+ { FRAC_CONST(-0.471396833658218), FRAC_CONST(0.881921231746674) },
+ { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) },
+ { FRAC_CONST(-0.881921231746674), FRAC_CONST(0.471396833658218) },
+ { FRAC_CONST(-0.980785310268402), FRAC_CONST(0.195090308785439) },
+ { FRAC_CONST(-0.995184719562531), FRAC_CONST(-0.098017267882824) },
+ { FRAC_CONST(-0.923879504203796), FRAC_CONST(-0.382683426141739) },
+ { FRAC_CONST(-0.773010551929474), FRAC_CONST(-0.634393215179443) },
+ { FRAC_CONST(-0.555570006370544), FRAC_CONST(-0.831469774246216) },
+ { FRAC_CONST(-0.290284544229507), FRAC_CONST(-0.956940352916718) },
+ { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) },
+ { FRAC_CONST(0.923879504203796), FRAC_CONST(0.382683455944061) },
+ { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) },
+ { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) },
+ { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) },
+ { FRAC_CONST(0.707106769084930), FRAC_CONST(0.707106769084930) },
+ { FRAC_CONST(-0.000000043711388), FRAC_CONST(1.000000000000000) },
+ { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) },
+ { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) },
+ { FRAC_CONST(0.382683426141739), FRAC_CONST(0.923879504203796) },
+ { FRAC_CONST(-0.707106769084930), FRAC_CONST(0.707106769084930) },
+ { FRAC_CONST(-0.923879504203796), FRAC_CONST(-0.382683426141739) },
+ { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) },
+ { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) },
+ { FRAC_CONST(1.000000000000000), FRAC_CONST(0.000000000000000) },
+ { FRAC_CONST(0.000000011924881), FRAC_CONST(-1.000000000000000) }
+};
+
#endif
#ifdef __cplusplus
diff --git a/src/libfaad/codebook/hcb.h b/src/libfaad/codebook/hcb.h
index cb6cdb1b1..96093300c 100644
--- a/src/libfaad/codebook/hcb.h
+++ b/src/libfaad/codebook/hcb.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: hcb.h,v 1.5 2004/12/03 01:15:31 tmattern Exp $
+** $Id: hcb.h,v 1.6 2005/10/29 23:57:08 tmmm Exp $
**/
#ifndef __HCB_H__
diff --git a/src/libfaad/codebook/hcb_1.h b/src/libfaad/codebook/hcb_1.h
index e49e19a84..220299c55 100644
--- a/src/libfaad/codebook/hcb_1.h
+++ b/src/libfaad/codebook/hcb_1.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: hcb_1.h,v 1.3 2004/12/03 01:15:31 tmattern Exp $
+** $Id: hcb_1.h,v 1.4 2005/10/29 23:57:08 tmmm Exp $
**/
/* 2-step huffman table HCB_1 */
diff --git a/src/libfaad/codebook/hcb_10.h b/src/libfaad/codebook/hcb_10.h
index 6d69970d2..60bcab90a 100644
--- a/src/libfaad/codebook/hcb_10.h
+++ b/src/libfaad/codebook/hcb_10.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: hcb_10.h,v 1.3 2004/12/03 01:15:31 tmattern Exp $
+** $Id: hcb_10.h,v 1.4 2005/10/29 23:57:08 tmmm Exp $
**/
/* 2-step huffman table HCB_10 */
diff --git a/src/libfaad/codebook/hcb_11.h b/src/libfaad/codebook/hcb_11.h
index a03352c07..bd4f647e6 100644
--- a/src/libfaad/codebook/hcb_11.h
+++ b/src/libfaad/codebook/hcb_11.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: hcb_11.h,v 1.3 2004/12/03 01:15:31 tmattern Exp $
+** $Id: hcb_11.h,v 1.4 2005/10/29 23:57:08 tmmm Exp $
**/
/* 2-step huffman table HCB_11 */
diff --git a/src/libfaad/codebook/hcb_2.h b/src/libfaad/codebook/hcb_2.h
index d90e3360a..6aff6b12b 100644
--- a/src/libfaad/codebook/hcb_2.h
+++ b/src/libfaad/codebook/hcb_2.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: hcb_2.h,v 1.3 2004/12/03 01:15:31 tmattern Exp $
+** $Id: hcb_2.h,v 1.4 2005/10/29 23:57:08 tmmm Exp $
**/
/* 2-step huffman table HCB_2 */
diff --git a/src/libfaad/codebook/hcb_3.h b/src/libfaad/codebook/hcb_3.h
index 57c4383f9..25b54da90 100644
--- a/src/libfaad/codebook/hcb_3.h
+++ b/src/libfaad/codebook/hcb_3.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: hcb_3.h,v 1.3 2004/12/03 01:15:31 tmattern Exp $
+** $Id: hcb_3.h,v 1.4 2005/10/29 23:57:08 tmmm Exp $
**/
/* Binary search huffman table HCB_3 */
diff --git a/src/libfaad/codebook/hcb_4.h b/src/libfaad/codebook/hcb_4.h
index 0fc6be5d1..9378b0980 100644
--- a/src/libfaad/codebook/hcb_4.h
+++ b/src/libfaad/codebook/hcb_4.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: hcb_4.h,v 1.3 2004/12/03 01:15:31 tmattern Exp $
+** $Id: hcb_4.h,v 1.4 2005/10/29 23:57:08 tmmm Exp $
**/
/* 2-step huffman table HCB_4 */
diff --git a/src/libfaad/codebook/hcb_5.h b/src/libfaad/codebook/hcb_5.h
index 7f6168ddf..7e50207e3 100644
--- a/src/libfaad/codebook/hcb_5.h
+++ b/src/libfaad/codebook/hcb_5.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: hcb_5.h,v 1.3 2004/12/03 01:15:31 tmattern Exp $
+** $Id: hcb_5.h,v 1.4 2005/10/29 23:57:08 tmmm Exp $
**/
/* Binary search huffman table HCB_5 */
diff --git a/src/libfaad/codebook/hcb_6.h b/src/libfaad/codebook/hcb_6.h
index 438420612..12417d997 100644
--- a/src/libfaad/codebook/hcb_6.h
+++ b/src/libfaad/codebook/hcb_6.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: hcb_6.h,v 1.3 2004/12/03 01:15:31 tmattern Exp $
+** $Id: hcb_6.h,v 1.4 2005/10/29 23:57:08 tmmm Exp $
**/
/* 2-step huffman table HCB_6 */
diff --git a/src/libfaad/codebook/hcb_7.h b/src/libfaad/codebook/hcb_7.h
index 910b05b32..e5392326d 100644
--- a/src/libfaad/codebook/hcb_7.h
+++ b/src/libfaad/codebook/hcb_7.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: hcb_7.h,v 1.3 2004/12/03 01:15:31 tmattern Exp $
+** $Id: hcb_7.h,v 1.4 2005/10/29 23:57:08 tmmm Exp $
**/
/* Binary search huffman table HCB_7 */
diff --git a/src/libfaad/codebook/hcb_8.h b/src/libfaad/codebook/hcb_8.h
index 960e3cda2..951743bed 100644
--- a/src/libfaad/codebook/hcb_8.h
+++ b/src/libfaad/codebook/hcb_8.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: hcb_8.h,v 1.3 2004/12/03 01:15:31 tmattern Exp $
+** $Id: hcb_8.h,v 1.4 2005/10/29 23:57:08 tmmm Exp $
**/
/* 2-step huffman table HCB_8 */
diff --git a/src/libfaad/codebook/hcb_9.h b/src/libfaad/codebook/hcb_9.h
index f3eabc79e..daccf6197 100644
--- a/src/libfaad/codebook/hcb_9.h
+++ b/src/libfaad/codebook/hcb_9.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: hcb_9.h,v 1.3 2004/12/03 01:15:31 tmattern Exp $
+** $Id: hcb_9.h,v 1.4 2005/10/29 23:57:08 tmmm Exp $
**/
/* Binary search huffman table HCB_9 */
diff --git a/src/libfaad/codebook/hcb_sf.h b/src/libfaad/codebook/hcb_sf.h
index efdc63e03..494053177 100644
--- a/src/libfaad/codebook/hcb_sf.h
+++ b/src/libfaad/codebook/hcb_sf.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: hcb_sf.h,v 1.3 2004/12/03 01:15:31 tmattern Exp $
+** $Id: hcb_sf.h,v 1.4 2005/10/29 23:57:08 tmmm Exp $
**/
/* Binary search huffman table HCB_SF */
diff --git a/src/libfaad/common.c b/src/libfaad/common.c
index 954d5dee6..8c0d93e95 100644
--- a/src/libfaad/common.c
+++ b/src/libfaad/common.c
@@ -1,19 +1,19 @@
/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
-**
+**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
-**
+**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
-**
+**
** You should have received a copy of the GNU General Public License
-** along with this program; if not, write to the Free Software
+** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
** Any non-GPL usage of this software or parts of this software is strictly
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: common.c,v 1.7 2004/12/03 01:15:30 tmattern Exp $
+** $Id: common.c,v 1.8 2005/10/29 23:57:06 tmmm Exp $
**/
/* just some common functions that could be used anywhere */
@@ -33,67 +33,6 @@
#include <stdlib.h>
#include "syntax.h"
-#ifdef USE_SSE
-__declspec(naked) static int32_t __fastcall test_cpuid(void)
-{
- __asm
- {
- pushf
- pop eax
- mov ecx,eax
- xor eax,(1<<21)
- push eax
- popf
- pushf
- pop eax
- push ecx
- popf
- cmp eax,ecx
- mov eax,0
- setne al
- ret
- }
-}
-
-__declspec(naked) static void __fastcall run_cpuid(int32_t param, int32_t out[4])
-{
- __asm
- {
- pushad
- push edx
- mov eax,ecx
- cpuid
- pop edi
- mov [edi+0],eax
- mov [edi+4],ebx
- mov [edi+8],ecx
- mov [edi+12],edx
- popad
- ret
- }
-}
-
-uint8_t cpu_has_sse()
-{
- int32_t features[4];
-
- if (test_cpuid())
- {
- run_cpuid(1, features);
- }
-
- /* check for SSE */
- if (features[3] & 0x02000000)
- return 1;
-
- return 0;
-}
-#else
-uint8_t cpu_has_sse()
-{
- return 0;
-}
-#endif
/* Returns the sample rate index based on the samplerate */
uint8_t get_sr_index(const uint32_t samplerate)
@@ -146,7 +85,7 @@ uint8_t max_pred_sfb(const uint8_t sr_index)
uint8_t max_tns_sfb(const uint8_t sr_index, const uint8_t object_type,
const uint8_t is_short)
{
- /* entry for each sampling rate
+ /* entry for each sampling rate
* 1 Main/LC long window
* 2 Main/LC short window
* 3 SSR long window
@@ -230,14 +169,13 @@ int8_t can_decode_ot(const uint8_t object_type)
return -1;
}
-/* common malloc function */
-void *faad_malloc(int32_t size)
+void *faad_malloc(size_t size)
{
#if 0 // defined(_WIN32) && !defined(_WIN32_WCE)
return _aligned_malloc(size, 16);
-#else
+#else // #ifdef 0
return malloc(size);
-#endif
+#endif // #ifdef 0
}
/* common free function */
@@ -247,18 +185,18 @@ void faad_free(void *b)
_aligned_free(b);
#else
free(b);
-#endif
}
+#endif
static const uint8_t Parity [256] = { // parity
- 0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,
- 1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,
- 1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,
- 0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,
- 1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,
- 0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,
- 0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,
- 1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0
+ 0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,
+ 1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,
+ 1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,
+ 0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,
+ 1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,
+ 0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,
+ 0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,
+ 1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0
};
static uint32_t __r1 = 1;
@@ -293,12 +231,289 @@ static uint32_t __r2 = 1;
*/
uint32_t random_int(void)
{
- uint32_t t1, t2, t3, t4;
+ uint32_t t1, t2, t3, t4;
+
+ t3 = t1 = __r1; t4 = t2 = __r2; // Parity calculation is done via table lookup, this is also available
+ t1 &= 0xF5; t2 >>= 25; // on CPUs without parity, can be implemented in C and avoid unpredictable
+ t1 = Parity [t1]; t2 &= 0x63; // jumps and slow rotate through the carry flag operations.
+ t1 <<= 31; t2 = Parity [t2];
+
+ return (__r1 = (t3 >> 1) | t1 ) ^ (__r2 = (t4 + t4) | t2 );
+}
+
+uint32_t ones32(uint32_t x)
+{
+ x -= ((x >> 1) & 0x55555555);
+ x = (((x >> 2) & 0x33333333) + (x & 0x33333333));
+ x = (((x >> 4) + x) & 0x0f0f0f0f);
+ x += (x >> 8);
+ x += (x >> 16);
- t3 = t1 = __r1; t4 = t2 = __r2; // Parity calculation is done via table lookup, this is also available
- t1 &= 0xF5; t2 >>= 25; // on CPUs without parity, can be implemented in C and avoid unpredictable
- t1 = Parity [t1]; t2 &= 0x63; // jumps and slow rotate through the carry flag operations.
- t1 <<= 31; t2 = Parity [t2];
+ return (x & 0x0000003f);
+}
- return (__r1 = (t3 >> 1) | t1 ) ^ (__r2 = (t4 + t4) | t2 );
+uint32_t floor_log2(uint32_t x)
+{
+#if 1
+ x |= (x >> 1);
+ x |= (x >> 2);
+ x |= (x >> 4);
+ x |= (x >> 8);
+ x |= (x >> 16);
+
+ return (ones32(x) - 1);
+#else
+ uint32_t count = 0;
+
+ while (x >>= 1)
+ count++;
+
+ return count;
+#endif
}
+
+/* returns position of first bit that is not 0 from msb,
+ * starting count at lsb */
+uint32_t wl_min_lzc(uint32_t x)
+{
+#if 1
+ x |= (x >> 1);
+ x |= (x >> 2);
+ x |= (x >> 4);
+ x |= (x >> 8);
+ x |= (x >> 16);
+
+ return (ones32(x));
+#else
+ uint32_t count = 0;
+
+ while (x >>= 1)
+ count++;
+
+ return (count + 1);
+#endif
+}
+
+#ifdef FIXED_POINT
+
+#define TABLE_BITS 6
+/* just take the maximum number of bits for interpolation */
+#define INTERP_BITS (REAL_BITS-TABLE_BITS)
+
+static const real_t pow2_tab[] = {
+ REAL_CONST(1.000000000000000), REAL_CONST(1.010889286051701), REAL_CONST(1.021897148654117),
+ REAL_CONST(1.033024879021228), REAL_CONST(1.044273782427414), REAL_CONST(1.055645178360557),
+ REAL_CONST(1.067140400676824), REAL_CONST(1.078760797757120), REAL_CONST(1.090507732665258),
+ REAL_CONST(1.102382583307841), REAL_CONST(1.114386742595892), REAL_CONST(1.126521618608242),
+ REAL_CONST(1.138788634756692), REAL_CONST(1.151189229952983), REAL_CONST(1.163724858777578),
+ REAL_CONST(1.176396991650281), REAL_CONST(1.189207115002721), REAL_CONST(1.202156731452703),
+ REAL_CONST(1.215247359980469), REAL_CONST(1.228480536106870), REAL_CONST(1.241857812073484),
+ REAL_CONST(1.255380757024691), REAL_CONST(1.269050957191733), REAL_CONST(1.282870016078778),
+ REAL_CONST(1.296839554651010), REAL_CONST(1.310961211524764), REAL_CONST(1.325236643159741),
+ REAL_CONST(1.339667524053303), REAL_CONST(1.354255546936893), REAL_CONST(1.369002422974591),
+ REAL_CONST(1.383909881963832), REAL_CONST(1.398979672538311), REAL_CONST(1.414213562373095),
+ REAL_CONST(1.429613338391970), REAL_CONST(1.445180806977047), REAL_CONST(1.460917794180647),
+ REAL_CONST(1.476826145939499), REAL_CONST(1.492907728291265), REAL_CONST(1.509164427593423),
+ REAL_CONST(1.525598150744538), REAL_CONST(1.542210825407941), REAL_CONST(1.559004400237837),
+ REAL_CONST(1.575980845107887), REAL_CONST(1.593142151342267), REAL_CONST(1.610490331949254),
+ REAL_CONST(1.628027421857348), REAL_CONST(1.645755478153965), REAL_CONST(1.663676580326736),
+ REAL_CONST(1.681792830507429), REAL_CONST(1.700106353718524), REAL_CONST(1.718619298122478),
+ REAL_CONST(1.737333835273706), REAL_CONST(1.756252160373300), REAL_CONST(1.775376492526521),
+ REAL_CONST(1.794709075003107), REAL_CONST(1.814252175500399), REAL_CONST(1.834008086409342),
+ REAL_CONST(1.853979125083386), REAL_CONST(1.874167634110300), REAL_CONST(1.894575981586966),
+ REAL_CONST(1.915206561397147), REAL_CONST(1.936061793492294), REAL_CONST(1.957144124175400),
+ REAL_CONST(1.978456026387951), REAL_CONST(2.000000000000000)
+};
+
+static const real_t log2_tab[] = {
+ REAL_CONST(0.000000000000000), REAL_CONST(0.022367813028455), REAL_CONST(0.044394119358453),
+ REAL_CONST(0.066089190457772), REAL_CONST(0.087462841250339), REAL_CONST(0.108524456778169),
+ REAL_CONST(0.129283016944966), REAL_CONST(0.149747119504682), REAL_CONST(0.169925001442312),
+ REAL_CONST(0.189824558880017), REAL_CONST(0.209453365628950), REAL_CONST(0.228818690495881),
+ REAL_CONST(0.247927513443585), REAL_CONST(0.266786540694901), REAL_CONST(0.285402218862248),
+ REAL_CONST(0.303780748177103), REAL_CONST(0.321928094887362), REAL_CONST(0.339850002884625),
+ REAL_CONST(0.357552004618084), REAL_CONST(0.375039431346925), REAL_CONST(0.392317422778760),
+ REAL_CONST(0.409390936137702), REAL_CONST(0.426264754702098), REAL_CONST(0.442943495848728),
+ REAL_CONST(0.459431618637297), REAL_CONST(0.475733430966398), REAL_CONST(0.491853096329675),
+ REAL_CONST(0.507794640198696), REAL_CONST(0.523561956057013), REAL_CONST(0.539158811108031),
+ REAL_CONST(0.554588851677637), REAL_CONST(0.569855608330948), REAL_CONST(0.584962500721156),
+ REAL_CONST(0.599912842187128), REAL_CONST(0.614709844115208), REAL_CONST(0.629356620079610),
+ REAL_CONST(0.643856189774725), REAL_CONST(0.658211482751795), REAL_CONST(0.672425341971496),
+ REAL_CONST(0.686500527183218), REAL_CONST(0.700439718141092), REAL_CONST(0.714245517666123),
+ REAL_CONST(0.727920454563199), REAL_CONST(0.741466986401147), REAL_CONST(0.754887502163469),
+ REAL_CONST(0.768184324776926), REAL_CONST(0.781359713524660), REAL_CONST(0.794415866350106),
+ REAL_CONST(0.807354922057604), REAL_CONST(0.820178962415188), REAL_CONST(0.832890014164742),
+ REAL_CONST(0.845490050944375), REAL_CONST(0.857980995127572), REAL_CONST(0.870364719583405),
+ REAL_CONST(0.882643049361841), REAL_CONST(0.894817763307943), REAL_CONST(0.906890595608519),
+ REAL_CONST(0.918863237274595), REAL_CONST(0.930737337562886), REAL_CONST(0.942514505339240),
+ REAL_CONST(0.954196310386875), REAL_CONST(0.965784284662087), REAL_CONST(0.977279923499917),
+ REAL_CONST(0.988684686772166), REAL_CONST(1.000000000000000)
+};
+
+real_t pow2_fix(real_t val)
+{
+ uint32_t x1, x2;
+ uint32_t errcorr;
+ uint32_t index_frac;
+ real_t retval;
+ int32_t whole = (val >> REAL_BITS);
+
+ /* rest = [0..1] */
+ int32_t rest = val - (whole << REAL_BITS);
+
+ /* index into pow2_tab */
+ int32_t index = rest >> (REAL_BITS-TABLE_BITS);
+
+
+ if (val == 0)
+ return (1<<REAL_BITS);
+
+ /* leave INTERP_BITS bits */
+ index_frac = rest >> (REAL_BITS-TABLE_BITS-INTERP_BITS);
+ index_frac = index_frac & ((1<<INTERP_BITS)-1);
+
+ if (whole > 0)
+ {
+ retval = 1 << whole;
+ } else {
+ retval = REAL_CONST(1) >> -whole;
+ }
+
+ x1 = pow2_tab[index & ((1<<TABLE_BITS)-1)];
+ x2 = pow2_tab[(index & ((1<<TABLE_BITS)-1)) + 1];
+ errcorr = ( (index_frac*(x2-x1))) >> INTERP_BITS;
+
+ if (whole > 0)
+ {
+ retval = retval * (errcorr + x1);
+ } else {
+ retval = MUL_R(retval, (errcorr + x1));
+ }
+
+ return retval;
+}
+
+int32_t pow2_int(real_t val)
+{
+ uint32_t x1, x2;
+ uint32_t errcorr;
+ uint32_t index_frac;
+ real_t retval;
+ int32_t whole = (val >> REAL_BITS);
+
+ /* rest = [0..1] */
+ int32_t rest = val - (whole << REAL_BITS);
+
+ /* index into pow2_tab */
+ int32_t index = rest >> (REAL_BITS-TABLE_BITS);
+
+
+ if (val == 0)
+ return 1;
+
+ /* leave INTERP_BITS bits */
+ index_frac = rest >> (REAL_BITS-TABLE_BITS-INTERP_BITS);
+ index_frac = index_frac & ((1<<INTERP_BITS)-1);
+
+ if (whole > 0)
+ retval = 1 << whole;
+ else
+ retval = 0;
+
+ x1 = pow2_tab[index & ((1<<TABLE_BITS)-1)];
+ x2 = pow2_tab[(index & ((1<<TABLE_BITS)-1)) + 1];
+ errcorr = ( (index_frac*(x2-x1))) >> INTERP_BITS;
+
+ retval = MUL_R(retval, (errcorr + x1));
+
+ return retval;
+}
+
+/* ld(x) = ld(x*y/y) = ld(x/y) + ld(y), with y=2^N and [1 <= (x/y) < 2] */
+int32_t log2_int(uint32_t val)
+{
+ uint32_t frac;
+ uint32_t whole = (val);
+ int32_t exp = 0;
+ uint32_t index;
+ uint32_t index_frac;
+ uint32_t x1, x2;
+ uint32_t errcorr;
+
+ /* error */
+ if (val == 0)
+ return -10000;
+
+ exp = floor_log2(val);
+ exp -= REAL_BITS;
+
+ /* frac = [1..2] */
+ if (exp >= 0)
+ frac = val >> exp;
+ else
+ frac = val << -exp;
+
+ /* index in the log2 table */
+ index = frac >> (REAL_BITS-TABLE_BITS);
+
+ /* leftover part for linear interpolation */
+ index_frac = frac & ((1<<(REAL_BITS-TABLE_BITS))-1);
+
+ /* leave INTERP_BITS bits */
+ index_frac = index_frac >> (REAL_BITS-TABLE_BITS-INTERP_BITS);
+
+ x1 = log2_tab[index & ((1<<TABLE_BITS)-1)];
+ x2 = log2_tab[(index & ((1<<TABLE_BITS)-1)) + 1];
+
+ /* linear interpolation */
+ /* retval = exp + ((index_frac)*x2 + (1-index_frac)*x1) */
+
+ errcorr = (index_frac * (x2-x1)) >> INTERP_BITS;
+
+ return ((exp+REAL_BITS) << REAL_BITS) + errcorr + x1;
+}
+
+/* ld(x) = ld(x*y/y) = ld(x/y) + ld(y), with y=2^N and [1 <= (x/y) < 2] */
+real_t log2_fix(uint32_t val)
+{
+ uint32_t frac;
+ uint32_t whole = (val >> REAL_BITS);
+ int8_t exp = 0;
+ uint32_t index;
+ uint32_t index_frac;
+ uint32_t x1, x2;
+ uint32_t errcorr;
+
+ /* error */
+ if (val == 0)
+ return -100000;
+
+ exp = floor_log2(val);
+ exp -= REAL_BITS;
+
+ /* frac = [1..2] */
+ if (exp >= 0)
+ frac = val >> exp;
+ else
+ frac = val << -exp;
+
+ /* index in the log2 table */
+ index = frac >> (REAL_BITS-TABLE_BITS);
+
+ /* leftover part for linear interpolation */
+ index_frac = frac & ((1<<(REAL_BITS-TABLE_BITS))-1);
+
+ /* leave INTERP_BITS bits */
+ index_frac = index_frac >> (REAL_BITS-TABLE_BITS-INTERP_BITS);
+
+ x1 = log2_tab[index & ((1<<TABLE_BITS)-1)];
+ x2 = log2_tab[(index & ((1<<TABLE_BITS)-1)) + 1];
+
+ /* linear interpolation */
+ /* retval = exp + ((index_frac)*x2 + (1-index_frac)*x1) */
+
+ errcorr = (index_frac * (x2-x1)) >> INTERP_BITS;
+
+ return (exp << REAL_BITS) + errcorr + x1;
+}
+#endif
diff --git a/src/libfaad/common.h b/src/libfaad/common.h
index fb7e27f2b..5df610654 100644
--- a/src/libfaad/common.h
+++ b/src/libfaad/common.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: common.h,v 1.14 2004/12/03 01:15:30 tmattern Exp $
+** $Id: common.h,v 1.15 2005/10/29 23:57:06 tmmm Exp $
**/
#ifndef __COMMON_H__
@@ -32,8 +32,12 @@
extern "C" {
#endif
+#ifdef HAVE_CONFIG_H
+# include "../config.h"
+#endif
+
#define INLINE __inline
-#if defined(_WIN32) && !defined(_WIN32_WCE)
+#if 0 //defined(_WIN32) && !defined(_WIN32_WCE)
#define ALIGN __declspec(align(16))
#else
#define ALIGN
@@ -52,6 +56,10 @@ extern "C" {
/* #define USE_DOUBLE_PRECISION */
/* use fixed point reals */
//#define FIXED_POINT
+//#define BIG_IQ_TABLE
+
+/* Use if target platform has address generators with autoincrement */
+//#define PREFER_POINTERS
#ifdef _WIN32_WCE
#define FIXED_POINT
@@ -88,9 +96,10 @@ extern "C" {
#define ALLOW_SMALL_FRAMELENGTH
-// Define LC_ONLY_DECODER if you want a pure AAC LC decoder (independant of SBR_DEC)
+// Define LC_ONLY_DECODER if you want a pure AAC LC decoder (independant of SBR_DEC and PS_DEC)
//#define LC_ONLY_DECODER
#ifdef LC_ONLY_DECODER
+ #undef LD_DEC
#undef LTP_DEC
#undef MAIN_DEC
#undef SSR_DEC
@@ -101,19 +110,13 @@ extern "C" {
#define SBR_DEC
//#define SBR_LOW_POWER
-//#define PS_DEC
+#define PS_DEC
-/* FIXED POINT: No MAIN decoding, no SBR decoding */
+/* FIXED POINT: No MAIN decoding */
#ifdef FIXED_POINT
# ifdef MAIN_DEC
# undef MAIN_DEC
# endif
-//# ifndef SBR_LOW_POWER
-//# define SBR_LOW_POWER
-//# endif
-# ifdef SBR_DEC
-# undef SBR_DEC
-# endif
#endif // FIXED_POINT
#ifdef DRM
@@ -122,17 +125,13 @@ extern "C" {
# endif
#endif
-#if ((defined(_WIN32) && !defined(_WIN32_WCE)) /* || ((__GNUC__ >= 3) && defined(__i386__)) */ )
-#ifndef FIXED_POINT
-/* includes <xmmintrin.h> to enable SSE intrinsics */
-//#define USE_SSE
-#endif
-#endif
#ifdef FIXED_POINT
-#define SBR_DIV(A, B) (((int64_t)A << REAL_BITS)/B)
+#define DIV_R(A, B) (((int64_t)A << REAL_BITS)/B)
+#define DIV_C(A, B) (((int64_t)A << COEF_BITS)/B)
#else
-#define SBR_DIV(A, B) ((A)/(B))
+#define DIV_R(A, B) ((A)/(B))
+#define DIV_C(A, B) ((A)/(B))
#endif
#ifndef SBR_LOW_POWER
@@ -148,9 +147,22 @@ extern "C" {
/* END COMPILE TIME DEFINITIONS */
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
+#if defined(_WIN32) && !defined(__MINGW32__)
+
+#include <stdlib.h>
+
+typedef unsigned __int64 uint64_t;
+typedef unsigned __int32 uint32_t;
+typedef unsigned __int16 uint16_t;
+typedef unsigned __int8 uint8_t;
+typedef __int64 int64_t;
+typedef __int32 int32_t;
+typedef __int16 int16_t;
+typedef __int8 int8_t;
+typedef float float32_t;
+
+
+#else
#include <stdio.h>
#if HAVE_SYS_TYPES_H
@@ -176,8 +188,6 @@ extern "C" {
#if HAVE_STRINGS_H
# include <strings.h>
#endif
-
-/* precedence defining int-types by header files for all platforms */
#if HAVE_INTTYPES_H
# include <inttypes.h>
#else
@@ -185,17 +195,6 @@ extern "C" {
# include <stdint.h>
# else
/* we need these... */
-# ifdef WIN32
-typedef unsigned __int64 uint64_t;
-typedef unsigned __int32 uint32_t;
-typedef unsigned __int16 uint16_t;
-typedef unsigned __int8 uint8_t;
-typedef __int64 int64_t;
-typedef __int32 int32_t;
-typedef __int16 int16_t;
-typedef __int8 int8_t;
-# else /* WIN32 */
-typedef float float32_t;
typedef unsigned long long uint64_t;
typedef unsigned long uint32_t;
typedef unsigned short uint16_t;
@@ -204,7 +203,6 @@ typedef long long int64_t;
typedef long int32_t;
typedef short int16_t;
typedef char int8_t;
-# endif /* WIN32 */
# endif
#endif
#if HAVE_UNISTD_H
@@ -229,6 +227,8 @@ char *strchr(), *strrchr();
# endif
#endif
+#endif
+
#ifdef WORDS_BIGENDIAN
#define ARCH_IS_BIG_ENDIAN
#endif
@@ -264,22 +264,20 @@ char *strchr(), *strrchr();
#define REAL_CONST(A) ((real_t)(A))
#define COEF_CONST(A) ((real_t)(A))
+ #define Q2_CONST(A) ((real_t)(A))
#define FRAC_CONST(A) ((real_t)(A)) /* pure fractional part */
#else /* Normal floating point operation */
typedef float real_t;
-#ifdef USE_SSE
-# include <xmmintrin.h>
-#endif
-
#define MUL_R(A,B) ((A)*(B))
#define MUL_C(A,B) ((A)*(B))
#define MUL_F(A,B) ((A)*(B))
#define REAL_CONST(A) ((real_t)(A))
#define COEF_CONST(A) ((real_t)(A))
+ #define Q2_CONST(A) ((real_t)(A))
#define FRAC_CONST(A) ((real_t)(A)) /* pure fractional part */
/* Complex multiplication */
@@ -291,8 +289,7 @@ char *strchr(), *strrchr();
}
-#ifndef HAVE_LRINTF
- #ifdef _WIN32
+ #if defined(_WIN32) && !defined(__MINGW32__)
#define HAS_LRINTF
static INLINE int lrintf(float f)
{
@@ -318,7 +315,7 @@ char *strchr(), *strrchr();
return i;
}
#endif
-#endif
+
#ifdef __ICL /* only Intel C compiler has fmath ??? */
@@ -383,6 +380,16 @@ typedef real_t complex_t[2];
/* common functions */
uint8_t cpu_has_sse(void);
uint32_t random_int(void);
+uint32_t ones32(uint32_t x);
+uint32_t floor_log2(uint32_t x);
+uint32_t wl_min_lzc(uint32_t x);
+#ifdef FIXED_POINT
+#define LOG2_MIN_INF REAL_CONST(-10000)
+int32_t log2_int(uint32_t val);
+int32_t log2_fix(uint32_t val);
+int32_t pow2_int(real_t val);
+real_t pow2_fix(real_t val);
+#endif
uint8_t get_sr_index(const uint32_t samplerate);
uint8_t max_pred_sfb(const uint8_t sr_index);
uint8_t max_tns_sfb(const uint8_t sr_index, const uint8_t object_type,
@@ -390,7 +397,7 @@ uint8_t max_tns_sfb(const uint8_t sr_index, const uint8_t object_type,
uint32_t get_sample_rate(const uint8_t sr_index);
int8_t can_decode_ot(const uint8_t object_type);
-void *faad_malloc(int32_t size);
+void *faad_malloc(size_t size);
void faad_free(void *b);
//#define PROFILE
diff --git a/src/libfaad/decoder.c b/src/libfaad/decoder.c
index 3a1dc86de..33aee247e 100644
--- a/src/libfaad/decoder.c
+++ b/src/libfaad/decoder.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: decoder.c,v 1.9 2004/12/03 01:15:30 tmattern Exp $
+** $Id: decoder.c,v 1.10 2005/10/29 23:57:06 tmmm Exp $
**/
#include "common.h"
@@ -50,14 +50,21 @@
uint16_t dbg_count;
#endif
-int8_t* FAADAPI faacDecGetErrorMessage(uint8_t errcode)
+/* static function declarations */
+static void* aac_frame_decode(NeAACDecHandle hDecoder, NeAACDecFrameInfo *hInfo,
+ uint8_t *buffer, uint32_t buffer_size,
+ void **sample_buffer, uint32_t sample_buffer_size);
+static void create_channel_config(NeAACDecHandle hDecoder, NeAACDecFrameInfo *hInfo);
+
+
+char* NEAACDECAPI NeAACDecGetErrorMessage(uint8_t errcode)
{
if (errcode >= NUM_ERROR_MESSAGES)
return NULL;
return err_msg[errcode];
}
-uint32_t FAADAPI faacDecGetCapabilities(void)
+uint32_t NEAACDECAPI NeAACDecGetCapabilities(void)
{
uint32_t cap = 0;
@@ -83,15 +90,15 @@ uint32_t FAADAPI faacDecGetCapabilities(void)
return cap;
}
-faacDecHandle FAADAPI faacDecOpen(void)
+NeAACDecHandle NEAACDECAPI NeAACDecOpen(void)
{
uint8_t i;
- faacDecHandle hDecoder = NULL;
+ NeAACDecHandle hDecoder = NULL;
- if ((hDecoder = (faacDecHandle)faad_malloc(sizeof(faacDecStruct))) == NULL)
+ if ((hDecoder = (NeAACDecHandle)faad_malloc(sizeof(NeAACDecStruct))) == NULL)
return NULL;
- memset(hDecoder, 0, sizeof(faacDecStruct));
+ memset(hDecoder, 0, sizeof(NeAACDecStruct));
hDecoder->config.outputFormat = FAAD_FMT_16BIT;
hDecoder->config.defObjectType = MAIN;
@@ -136,23 +143,14 @@ faacDecHandle FAADAPI faacDecOpen(void)
hDecoder->drc = drc_init(REAL_CONST(1.0), REAL_CONST(1.0));
-#ifdef USE_SSE
- if (cpu_has_sse())
- {
- hDecoder->apply_sf_func = apply_scalefactors_sse;
- } else {
- hDecoder->apply_sf_func = apply_scalefactors;
- }
-#endif
-
return hDecoder;
}
-faacDecConfigurationPtr FAADAPI faacDecGetCurrentConfiguration(faacDecHandle hDecoder)
+NeAACDecConfigurationPtr NEAACDECAPI NeAACDecGetCurrentConfiguration(NeAACDecHandle hDecoder)
{
if (hDecoder)
{
- faacDecConfigurationPtr config = &(hDecoder->config);
+ NeAACDecConfigurationPtr config = &(hDecoder->config);
return config;
}
@@ -160,8 +158,8 @@ faacDecConfigurationPtr FAADAPI faacDecGetCurrentConfiguration(faacDecHandle hDe
return NULL;
}
-uint8_t FAADAPI faacDecSetConfiguration(faacDecHandle hDecoder,
- faacDecConfigurationPtr config)
+uint8_t NEAACDECAPI NeAACDecSetConfiguration(NeAACDecHandle hDecoder,
+ NeAACDecConfigurationPtr config)
{
if (hDecoder && config)
{
@@ -176,12 +174,18 @@ uint8_t FAADAPI faacDecSetConfiguration(faacDecHandle hDecoder,
hDecoder->config.defSampleRate = config->defSampleRate;
/* check output format */
- if ((config->outputFormat < 1) || (config->outputFormat > 9))
+#ifdef FIXED_POINT
+ if ((config->outputFormat < 1) || (config->outputFormat > 4))
+ return 0;
+#else
+ if ((config->outputFormat < 1) || (config->outputFormat > 5))
return 0;
+#endif
hDecoder->config.outputFormat = config->outputFormat;
if (config->downMatrix > 1)
- hDecoder->config.downMatrix = config->downMatrix;
+ return 0;
+ hDecoder->config.downMatrix = config->downMatrix;
/* OK */
return 1;
@@ -190,9 +194,9 @@ uint8_t FAADAPI faacDecSetConfiguration(faacDecHandle hDecoder,
return 0;
}
-int32_t FAADAPI faacDecInit(faacDecHandle hDecoder, uint8_t *buffer,
- uint32_t buffer_size,
- uint32_t *samplerate, uint8_t *channels)
+int32_t NEAACDECAPI NeAACDecInit(NeAACDecHandle hDecoder, uint8_t *buffer,
+ uint32_t buffer_size,
+ uint32_t *samplerate, uint8_t *channels)
{
uint32_t bits = 0;
bitfile ld;
@@ -255,12 +259,23 @@ int32_t FAADAPI faacDecInit(faacDecHandle hDecoder, uint8_t *buffer,
}
hDecoder->channelConfiguration = *channels;
+#if (defined(PS_DEC) || defined(DRM_PS))
+ /* check if we have a mono file */
+ if (*channels == 1)
+ {
+ /* upMatrix to 2 channels for implicit signalling of PS */
+ *channels = 2;
+ }
+#endif
+
#ifdef SBR_DEC
/* implicit signalling */
if (*samplerate <= 24000 && !(hDecoder->config.dontUpSampleImplicitSBR))
{
*samplerate *= 2;
hDecoder->forceUpSampling = 1;
+ } else if (*samplerate > 24000 && !(hDecoder->config.dontUpSampleImplicitSBR)) {
+ hDecoder->downSampledSBR = 1;
}
#endif
@@ -284,9 +299,9 @@ int32_t FAADAPI faacDecInit(faacDecHandle hDecoder, uint8_t *buffer,
}
/* Init the library using a DecoderSpecificInfo */
-int8_t FAADAPI faacDecInit2(faacDecHandle hDecoder, uint8_t *pBuffer,
- uint32_t SizeOfDecoderSpecificInfo,
- uint32_t *samplerate, uint8_t *channels)
+int8_t NEAACDECAPI NeAACDecInit2(NeAACDecHandle hDecoder, uint8_t *pBuffer,
+ uint32_t SizeOfDecoderSpecificInfo,
+ uint32_t *samplerate, uint8_t *channels)
{
int8_t rc;
mp4AudioSpecificConfig mp4ASC;
@@ -316,6 +331,14 @@ int8_t FAADAPI faacDecInit2(faacDecHandle hDecoder, uint8_t *pBuffer,
*channels = hDecoder->pce.channels;
hDecoder->pce_set = 1;
}
+#if (defined(PS_DEC) || defined(DRM_PS))
+ /* check if we have a mono file */
+ if (*channels == 1)
+ {
+ /* upMatrix to 2 channels for implicit signalling of PS */
+ *channels = 2;
+ }
+#endif
hDecoder->sf_index = mp4ASC.samplingFrequencyIndex;
hDecoder->object_type = mp4ASC.objectTypeIndex;
#ifdef ERROR_RESILIENCE
@@ -325,13 +348,14 @@ int8_t FAADAPI faacDecInit2(faacDecHandle hDecoder, uint8_t *pBuffer,
#endif
#ifdef SBR_DEC
hDecoder->sbr_present_flag = mp4ASC.sbr_present_flag;
+ hDecoder->downSampledSBR = mp4ASC.downSampledSBR;
if (hDecoder->config.dontUpSampleImplicitSBR == 0)
hDecoder->forceUpSampling = mp4ASC.forceUpSampling;
else
hDecoder->forceUpSampling = 0;
/* AAC core decoder samplerate is 2 times as low */
- if (hDecoder->sbr_present_flag == 1 || hDecoder->forceUpSampling == 1)
+ if (((hDecoder->sbr_present_flag == 1)&&(!hDecoder->downSampledSBR)) || hDecoder->forceUpSampling == 1)
{
hDecoder->sf_index = get_sr_index(mp4ASC.samplingFrequency / 2);
}
@@ -366,100 +390,48 @@ int8_t FAADAPI faacDecInit2(faacDecHandle hDecoder, uint8_t *pBuffer,
}
#ifdef DRM
-int8_t FAADAPI faacDecInitDRM(faacDecHandle hDecoder, uint32_t samplerate,
- uint8_t channels)
+int8_t NEAACDECAPI NeAACDecInitDRM(NeAACDecHandle *hDecoder, uint32_t samplerate,
+ uint8_t channels)
{
- uint8_t i;
-
if (hDecoder == NULL)
return 1; /* error */
+ NeAACDecClose(*hDecoder);
+
+ *hDecoder = NeAACDecOpen();
+
/* Special object type defined for DRM */
- hDecoder->config.defObjectType = DRM_ER_LC;
+ (*hDecoder)->config.defObjectType = DRM_ER_LC;
- hDecoder->config.defSampleRate = samplerate;
+ (*hDecoder)->config.defSampleRate = samplerate;
#ifdef ERROR_RESILIENCE // This shoudl always be defined for DRM
- hDecoder->aacSectionDataResilienceFlag = 1; /* VCB11 */
- hDecoder->aacScalefactorDataResilienceFlag = 0; /* no RVLC */
- hDecoder->aacSpectralDataResilienceFlag = 1; /* HCR */
+ (*hDecoder)->aacSectionDataResilienceFlag = 1; /* VCB11 */
+ (*hDecoder)->aacScalefactorDataResilienceFlag = 0; /* no RVLC */
+ (*hDecoder)->aacSpectralDataResilienceFlag = 1; /* HCR */
#endif
- hDecoder->frameLength = 960;
- hDecoder->sf_index = get_sr_index(hDecoder->config.defSampleRate);
- hDecoder->object_type = hDecoder->config.defObjectType;
+ (*hDecoder)->frameLength = 960;
+ (*hDecoder)->sf_index = get_sr_index((*hDecoder)->config.defSampleRate);
+ (*hDecoder)->object_type = (*hDecoder)->config.defObjectType;
if ((channels == DRMCH_STEREO) || (channels == DRMCH_SBR_STEREO))
- hDecoder->channelConfiguration = 2;
+ (*hDecoder)->channelConfiguration = 2;
else
- hDecoder->channelConfiguration = 1;
+ (*hDecoder)->channelConfiguration = 1;
#ifdef SBR_DEC
- if (channels == DRMCH_SBR_LC_STEREO)
- hDecoder->lcstereo_flag = 1;
- else
- hDecoder->lcstereo_flag = 0;
-
if ((channels == DRMCH_MONO) || (channels == DRMCH_STEREO))
- hDecoder->sbr_present_flag = 0;
+ (*hDecoder)->sbr_present_flag = 0;
else
- hDecoder->sbr_present_flag = 1;
-
- /* Reset sbr for new initialization */
- sbrDecodeEnd(hDecoder->sbr[0]);
- hDecoder->sbr[0] = NULL;
-#endif
-
- if (hDecoder->fb) filter_bank_end(hDecoder->fb);
- hDecoder->fb = NULL;
-
- /* Take care of buffers */
- if (hDecoder->sample_buffer) faad_free(hDecoder->sample_buffer);
- hDecoder->sample_buffer = NULL;
- hDecoder->alloced_channels = 0;
-
- for (i = 0; i < MAX_CHANNELS; i++)
- {
- hDecoder->window_shape_prev[i] = 0;
-
- if (hDecoder->time_out[i]) faad_free(hDecoder->time_out[i]);
- hDecoder->time_out[i] = NULL;
- if (hDecoder->fb_intermed[i]) faad_free(hDecoder->fb_intermed[i]);
- hDecoder->fb_intermed[i] = NULL;
-#ifdef SSR_DEC
- if (hDecoder->ssr_overlap[i]) faad_free(hDecoder->ssr_overlap[i]);
- hDecoder->ssr_overlap[i] = NULL;
- if (hDecoder->prev_fmd[i]) faad_free(hDecoder->prev_fmd[i]);
- hDecoder->prev_fmd[i] = NULL;
-#endif
-#ifdef MAIN_DEC
- if (hDecoder->pred_stat[i]) faad_free(hDecoder->pred_stat[i]);
- hDecoder->pred_stat[i] = NULL;
-#endif
-#ifdef LTP_DEC
- hDecoder->ltp_lag[i] = 0;
- if (hDecoder->lt_pred_stat[i]) faad_free(hDecoder->lt_pred_stat[i]);
- hDecoder->lt_pred_stat[i] = NULL;
-#endif
- }
-
- for (i = 0; i < MAX_SYNTAX_ELEMENTS; i++)
- {
-#ifdef SBR_DEC
- if (hDecoder->sbr[i])
- sbrDecodeEnd(hDecoder->sbr[i]);
-
- hDecoder->sbr_alloced[i] = 0;
-#endif
- hDecoder->element_alloced[i] = 0;
- hDecoder->element_output_channels[i] = 0;
- }
+ (*hDecoder)->sbr_present_flag = 1;
+#endif
- hDecoder->fb = filter_bank_init(hDecoder->frameLength);
+ (*hDecoder)->fb = filter_bank_init((*hDecoder)->frameLength);
return 0;
}
#endif
-void FAADAPI faacDecClose(faacDecHandle hDecoder)
+void NEAACDECAPI NeAACDecClose(NeAACDecHandle hDecoder)
{
uint8_t i;
@@ -512,7 +484,7 @@ void FAADAPI faacDecClose(faacDecHandle hDecoder)
if (hDecoder) faad_free(hDecoder);
}
-void FAADAPI faacDecPostSeekReset(faacDecHandle hDecoder, int32_t frame)
+void NEAACDECAPI NeAACDecPostSeekReset(NeAACDecHandle hDecoder, int32_t frame)
{
if (hDecoder)
{
@@ -523,7 +495,7 @@ void FAADAPI faacDecPostSeekReset(faacDecHandle hDecoder, int32_t frame)
}
}
-static void create_channel_config(faacDecHandle hDecoder, faacDecFrameInfo *hInfo)
+static void create_channel_config(NeAACDecHandle hDecoder, NeAACDecFrameInfo *hInfo)
{
hInfo->num_front_channels = 0;
hInfo->num_side_channels = 0;
@@ -728,9 +700,31 @@ static void create_channel_config(faacDecHandle hDecoder, faacDecFrameInfo *hInf
}
}
-void* FAADAPI faacDecDecode(faacDecHandle hDecoder,
- faacDecFrameInfo *hInfo,
- uint8_t *buffer, uint32_t buffer_size)
+void* NEAACDECAPI NeAACDecDecode(NeAACDecHandle hDecoder,
+ NeAACDecFrameInfo *hInfo,
+ uint8_t *buffer, uint32_t buffer_size)
+{
+ return aac_frame_decode(hDecoder, hInfo, buffer, buffer_size, NULL, 0);
+}
+
+void* NEAACDECAPI NeAACDecDecode2(NeAACDecHandle hDecoder,
+ NeAACDecFrameInfo *hInfo,
+ uint8_t *buffer, uint32_t buffer_size,
+ void **sample_buffer, uint32_t sample_buffer_size)
+{
+ if ((sample_buffer == NULL) || (sample_buffer_size == 0))
+ {
+ hInfo->error = 27;
+ return NULL;
+ }
+
+ return aac_frame_decode(hDecoder, hInfo, buffer, buffer_size,
+ sample_buffer, sample_buffer_size);
+}
+
+static void* aac_frame_decode(NeAACDecHandle hDecoder, NeAACDecFrameInfo *hInfo,
+ uint8_t *buffer, uint32_t buffer_size,
+ void **sample_buffer2, uint32_t sample_buffer_size)
{
uint8_t channels = 0;
uint8_t output_channels = 0;
@@ -749,27 +743,49 @@ void* FAADAPI faacDecDecode(faacDecHandle hDecoder,
return NULL;
}
+#if 0
+ printf("%d\n", buffer_size*8);
+#endif
+
frame_len = hDecoder->frameLength;
- memset(hInfo, 0, sizeof(faacDecFrameInfo));
+ memset(hInfo, 0, sizeof(NeAACDecFrameInfo));
memset(hDecoder->internal_channel, 0, MAX_CHANNELS*sizeof(hDecoder->internal_channel[0]));
/* initialize the bitstream */
faad_initbits(&ld, buffer, buffer_size);
+#if 0
+ {
+ int i;
+ for (i = 0; i < ((buffer_size+3)>>2); i++)
+ {
+ uint8_t *buf;
+ uint32_t temp = 0;
+ buf = faad_getbitbuffer(&ld, 32);
+ //temp = getdword((void*)buf);
+ temp = *((uint32_t*)buf);
+ printf("0x%.8X\n", temp);
+ free(buf);
+ }
+ faad_endbits(&ld);
+ faad_initbits(&ld, buffer, buffer_size);
+ }
+#endif
+
#ifdef DRM
if (hDecoder->object_type == DRM_ER_LC)
{
/* We do not support stereo right now */
- if (hDecoder->channelConfiguration == 2)
+ if (0) //(hDecoder->channelConfiguration == 2)
{
hInfo->error = 8; // Throw CRC error
goto error;
}
faad_getbits(&ld, 8
- DEBUGVAR(1,1,"faacDecDecode(): skip CRC"));
+ DEBUGVAR(1,1,"NeAACDecDecode(): skip CRC"));
}
#endif
@@ -829,7 +845,7 @@ void* FAADAPI faacDecDecode(faacDecHandle hDecoder,
if (!hDecoder->adts_header_present && !hDecoder->adif_header_present)
{
- if (channels != hDecoder->channelConfiguration)
+ if (hDecoder->channelConfiguration == 0)
hDecoder->channelConfiguration = channels;
if (channels == 8) /* 7.1 */
@@ -846,6 +862,17 @@ void* FAADAPI faacDecDecode(faacDecHandle hDecoder,
output_channels = channels;
}
+#if (defined(PS_DEC) || defined(DRM_PS))
+ hDecoder->upMatrix = 0;
+ /* check if we have a mono file */
+ if (output_channels == 1)
+ {
+ /* upMatrix to 2 channels for implicit signalling of PS */
+ hDecoder->upMatrix = 1;
+ output_channels = 2;
+ }
+#endif
+
/* Make a channel configuration based on either a PCE or a channelConfiguration */
create_channel_config(hDecoder, hInfo);
@@ -865,6 +892,9 @@ void* FAADAPI faacDecDecode(faacDecHandle hDecoder,
hInfo->header_type = ADIF;
if (hDecoder->adts_header_present)
hInfo->header_type = ADTS;
+#if (defined(PS_DEC) || defined(DRM_PS))
+ hInfo->ps = hDecoder->ps_used_global;
+#endif
/* check if frame has channel elements */
if (channels == 0)
@@ -883,17 +913,32 @@ void* FAADAPI faacDecDecode(faacDecHandle hDecoder,
};
uint8_t stride = str[hDecoder->config.outputFormat-1];
#ifdef SBR_DEC
- if ((hDecoder->sbr_present_flag == 1) || (hDecoder->forceUpSampling == 1))
+ if (((hDecoder->sbr_present_flag == 1)&&(!hDecoder->downSampledSBR)) || (hDecoder->forceUpSampling == 1))
+ {
stride = 2 * stride;
+ }
#endif
- if (hDecoder->sample_buffer)
- faad_free(hDecoder->sample_buffer);
- hDecoder->sample_buffer = NULL;
- hDecoder->sample_buffer = faad_malloc(frame_len*output_channels*stride);
+ /* check if we want to use internal sample_buffer */
+ if (sample_buffer_size == 0)
+ {
+ if (hDecoder->sample_buffer)
+ faad_free(hDecoder->sample_buffer);
+ hDecoder->sample_buffer = NULL;
+ hDecoder->sample_buffer = faad_malloc(frame_len*output_channels*stride);
+ } else if (sample_buffer_size < frame_len*output_channels*stride) {
+ /* provided sample buffer is not big enough */
+ hInfo->error = 27;
+ return NULL;
+ }
hDecoder->alloced_channels = output_channels;
}
- sample_buffer = hDecoder->sample_buffer;
+ if (sample_buffer_size == 0)
+ {
+ sample_buffer = hDecoder->sample_buffer;
+ } else {
+ sample_buffer = *sample_buffer2;
+ }
#ifdef SBR_DEC
if ((hDecoder->sbr_present_flag == 1) || (hDecoder->forceUpSampling == 1))
@@ -901,9 +946,12 @@ void* FAADAPI faacDecDecode(faacDecHandle hDecoder,
uint8_t ele;
/* this data is different when SBR is used or when the data is upsampled */
- frame_len *= 2;
- hInfo->samples *= 2;
- hInfo->samplerate *= 2;
+ if (!hDecoder->downSampledSBR)
+ {
+ frame_len *= 2;
+ hInfo->samples *= 2;
+ hInfo->samplerate *= 2;
+ }
/* check if every element was provided with SBR data */
for (ele = 0; ele < hDecoder->fr_ch_ele; ele++)
@@ -923,6 +971,10 @@ void* FAADAPI faacDecDecode(faacDecHandle hDecoder,
} else {
hInfo->sbr = NO_SBR_UPSAMPLED;
}
+ if (hDecoder->downSampledSBR)
+ {
+ hInfo->sbr = SBR_DOWNSAMPLED;
+ }
}
#endif
diff --git a/src/libfaad/decoder.h b/src/libfaad/decoder.h
index ad7de8898..5a3a2663f 100644
--- a/src/libfaad/decoder.h
+++ b/src/libfaad/decoder.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: decoder.h,v 1.8 2004/12/03 01:15:30 tmattern Exp $
+** $Id: decoder.h,v 1.9 2005/10/29 23:57:06 tmmm Exp $
**/
#ifndef __DECODER_H__
@@ -34,28 +34,22 @@ extern "C" {
#ifdef _WIN32
#pragma pack(push, 8)
- #ifndef FAADAPI
- #define FAADAPI __cdecl
+ #ifndef NEAACDECAPI
+ #define NEAACDECAPI __cdecl
#endif
#else
- #ifndef FAADAPI
- #define FAADAPI
+ #ifndef NEAACDECAPI
+ #define NEAACDECAPI
#endif
#endif
-#include "bits.h"
-#include "syntax.h"
-#include "drc.h"
-#include "specrec.h"
-#include "filtbank.h"
-#include "ic_predict.h"
-
/* library output formats */
#define FAAD_FMT_16BIT 1
#define FAAD_FMT_24BIT 2
#define FAAD_FMT_32BIT 3
#define FAAD_FMT_FLOAT 4
+#define FAAD_FMT_FIXED FAAD_FMT_FLOAT
#define FAAD_FMT_DOUBLE 5
#define LC_DEC_CAP (1<<0)
@@ -76,41 +70,46 @@ extern "C" {
#define LFE_CHANNEL (9)
#define UNKNOWN_CHANNEL (0)
-int8_t* FAADAPI faacDecGetErrorMessage(uint8_t errcode);
+char* NEAACDECAPI NeAACDecGetErrorMessage(uint8_t errcode);
-uint32_t FAADAPI faacDecGetCapabilities(void);
+uint32_t NEAACDECAPI NeAACDecGetCapabilities(void);
-faacDecHandle FAADAPI faacDecOpen(void);
+NeAACDecHandle NEAACDECAPI NeAACDecOpen(void);
-faacDecConfigurationPtr FAADAPI faacDecGetCurrentConfiguration(faacDecHandle hDecoder);
+NeAACDecConfigurationPtr NEAACDECAPI NeAACDecGetCurrentConfiguration(NeAACDecHandle hDecoder);
-uint8_t FAADAPI faacDecSetConfiguration(faacDecHandle hDecoder,
- faacDecConfigurationPtr config);
+uint8_t NEAACDECAPI NeAACDecSetConfiguration(NeAACDecHandle hDecoder,
+ NeAACDecConfigurationPtr config);
/* Init the library based on info from the AAC file (ADTS/ADIF) */
-int32_t FAADAPI faacDecInit(faacDecHandle hDecoder,
- uint8_t *buffer,
- uint32_t buffer_size,
- uint32_t *samplerate,
- uint8_t *channels);
+int32_t NEAACDECAPI NeAACDecInit(NeAACDecHandle hDecoder,
+ uint8_t *buffer,
+ uint32_t buffer_size,
+ uint32_t *samplerate,
+ uint8_t *channels);
/* Init the library using a DecoderSpecificInfo */
-int8_t FAADAPI faacDecInit2(faacDecHandle hDecoder, uint8_t *pBuffer,
- uint32_t SizeOfDecoderSpecificInfo,
- uint32_t *samplerate, uint8_t *channels);
+int8_t NEAACDECAPI NeAACDecInit2(NeAACDecHandle hDecoder, uint8_t *pBuffer,
+ uint32_t SizeOfDecoderSpecificInfo,
+ uint32_t *samplerate, uint8_t *channels);
/* Init the library for DRM */
-int8_t FAADAPI faacDecInitDRM(faacDecHandle hDecoder, uint32_t samplerate,
- uint8_t channels);
+int8_t NEAACDECAPI NeAACDecInitDRM(NeAACDecHandle *hDecoder, uint32_t samplerate,
+ uint8_t channels);
+
+void NEAACDECAPI NeAACDecClose(NeAACDecHandle hDecoder);
-void FAADAPI faacDecClose(faacDecHandle hDecoder);
+void NEAACDECAPI NeAACDecPostSeekReset(NeAACDecHandle hDecoder, int32_t frame);
-void FAADAPI faacDecPostSeekReset(faacDecHandle hDecoder, int32_t frame);
+void* NEAACDECAPI NeAACDecDecode(NeAACDecHandle hDecoder,
+ NeAACDecFrameInfo *hInfo,
+ uint8_t *buffer,
+ uint32_t buffer_size);
-void* FAADAPI faacDecDecode(faacDecHandle hDecoder,
- faacDecFrameInfo *hInfo,
- uint8_t *buffer,
- uint32_t buffer_size);
+void* NEAACDECAPI NeAACDecDecode2(NeAACDecHandle hDecoder,
+ NeAACDecFrameInfo *hInfo,
+ uint8_t *buffer, uint32_t buffer_size,
+ void **sample_buffer, uint32_t sample_buffer_size);
#ifdef _WIN32
#pragma pack(pop)
diff --git a/src/libfaad/drc.c b/src/libfaad/drc.c
index 44fdca7bc..ef4b6a96e 100644
--- a/src/libfaad/drc.c
+++ b/src/libfaad/drc.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: drc.c,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: drc.c,v 1.7 2005/10/29 23:57:06 tmmm Exp $
**/
#include "common.h"
diff --git a/src/libfaad/drc.h b/src/libfaad/drc.h
index 5ecebb9fb..046ecbc3e 100644
--- a/src/libfaad/drc.h
+++ b/src/libfaad/drc.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: drc.h,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: drc.h,v 1.7 2005/10/29 23:57:06 tmmm Exp $
**/
#ifndef __DRC_H__
diff --git a/src/libfaad/error.c b/src/libfaad/error.c
index 8bff809cc..2fbe08fc1 100644
--- a/src/libfaad/error.c
+++ b/src/libfaad/error.c
@@ -22,18 +22,18 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: error.c,v 1.7 2004/12/03 01:15:30 tmattern Exp $
+** $Id: error.c,v 1.8 2005/10/29 23:57:06 tmmm Exp $
**/
#include "common.h"
#include "error.h"
-int8_t *err_msg[] = {
+char *err_msg[] = {
"No error",
"Gain control not yet implemented",
"Pulse coding not allowed in short blocks",
"Invalid huffman codebook",
- "Negative scalefactor found, should be impossible",
+ "Scalefactor out of range",
"Unable to find ADTS syncword",
"Channel coupling not yet implemented",
"Channel configuration not allowed in error resilient frame",
@@ -54,6 +54,8 @@ int8_t *err_msg[] = {
"Error in program_config_element",
"First SBR frame is not the same as first AAC frame",
"Unexpected fill element with SBR data",
- "Not all elements were provided with SBR data"
+ "Not all elements were provided with SBR data",
+ "LTP decoding not available",
+ "Output data buffer too small"
};
diff --git a/src/libfaad/error.h b/src/libfaad/error.h
index 3ed783bf8..1009a9f57 100644
--- a/src/libfaad/error.h
+++ b/src/libfaad/error.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: error.h,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: error.h,v 1.7 2005/10/29 23:57:06 tmmm Exp $
**/
#ifndef __ERROR_H__
@@ -32,8 +32,8 @@
extern "C" {
#endif
-#define NUM_ERROR_MESSAGES 26
-extern int8_t *err_msg[];
+#define NUM_ERROR_MESSAGES 28
+extern char *err_msg[];
#ifdef __cplusplus
}
diff --git a/src/libfaad/filtbank.c b/src/libfaad/filtbank.c
index 3fc2cf456..2919b5be3 100644
--- a/src/libfaad/filtbank.c
+++ b/src/libfaad/filtbank.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: filtbank.c,v 1.9 2004/12/03 01:15:30 tmattern Exp $
+** $Id: filtbank.c,v 1.10 2005/10/29 23:57:06 tmmm Exp $
**/
#include "common.h"
@@ -87,15 +87,6 @@ fb_info *filter_bank_init(uint16_t frame_len)
}
#endif
-#ifdef USE_SSE
- if (cpu_has_sse())
- {
- fb->if_func = ifilter_bank_sse;
- } else {
- fb->if_func = ifilter_bank;
- }
-#endif
-
return fb;
}
@@ -140,30 +131,6 @@ static INLINE void imdct_long(fb_info *fb, real_t *in_data, real_t *out_data, ui
#endif
}
-#ifdef USE_SSE
-static INLINE void imdct_long_sse(fb_info *fb, real_t *in_data, real_t *out_data, uint16_t len)
-{
-#ifdef LD_DEC
- mdct_info *mdct = NULL;
-
- switch (len)
- {
- case 2048:
- case 1920:
- mdct = fb->mdct2048;
- break;
- case 1024:
- case 960:
- mdct = fb->mdct1024;
- break;
- }
-
- faad_imdct_sse(mdct, in_data, out_data);
-#else
- faad_imdct_sse(fb->mdct2048, in_data, out_data);
-#endif
-}
-#endif
#ifdef LTP_DEC
static INLINE void mdct(fb_info *fb, real_t *in_data, real_t *out_data, uint16_t len)
@@ -215,6 +182,7 @@ void ifilter_bank(fb_info *fb, uint8_t window_sequence, uint8_t window_shape,
int64_t count = faad_get_ts();
#endif
+ /* select windows of current frame and previous frame (Sine or KBD) */
#ifdef LD_DEC
if (object_type == LD)
{
@@ -230,11 +198,24 @@ void ifilter_bank(fb_info *fb, uint8_t window_sequence, uint8_t window_shape,
}
#endif
+#if 0
+ for (i = 0; i < 1024; i++)
+ {
+ printf("%d\n", freq_in[i]);
+ }
+#endif
+
+#if 0
+ printf("%d %d\n", window_sequence, window_shape);
+#endif
switch (window_sequence)
{
case ONLY_LONG_SEQUENCE:
+ /* perform iMDCT */
imdct_long(fb, freq_in, transf_buf, 2*nlong);
+
+ /* add second half output of previous frame to windowed output of current frame */
for (i = 0; i < nlong; i+=4)
{
time_out[i] = overlap[i] + MUL_F(transf_buf[i],window_long_prev[i]);
@@ -242,6 +223,8 @@ void ifilter_bank(fb_info *fb, uint8_t window_sequence, uint8_t window_shape,
time_out[i+2] = overlap[i+2] + MUL_F(transf_buf[i+2],window_long_prev[i+2]);
time_out[i+3] = overlap[i+3] + MUL_F(transf_buf[i+3],window_long_prev[i+3]);
}
+
+ /* window the second half and save as overlap for next frame */
for (i = 0; i < nlong; i+=4)
{
overlap[i] = MUL_F(transf_buf[nlong+i],window_long[nlong-1-i]);
@@ -252,7 +235,10 @@ void ifilter_bank(fb_info *fb, uint8_t window_sequence, uint8_t window_shape,
break;
case LONG_START_SEQUENCE:
+ /* perform iMDCT */
imdct_long(fb, freq_in, transf_buf, 2*nlong);
+
+ /* add second half output of previous frame to windowed output of current frame */
for (i = 0; i < nlong; i+=4)
{
time_out[i] = overlap[i] + MUL_F(transf_buf[i],window_long_prev[i]);
@@ -260,6 +246,9 @@ void ifilter_bank(fb_info *fb, uint8_t window_sequence, uint8_t window_shape,
time_out[i+2] = overlap[i+2] + MUL_F(transf_buf[i+2],window_long_prev[i+2]);
time_out[i+3] = overlap[i+3] + MUL_F(transf_buf[i+3],window_long_prev[i+3]);
}
+
+ /* window the second half and save as overlap for next frame */
+ /* construct second half window using padding with 1's and 0's */
for (i = 0; i < nflat_ls; i++)
overlap[i] = transf_buf[nlong+i];
for (i = 0; i < nshort; i++)
@@ -269,6 +258,7 @@ void ifilter_bank(fb_info *fb, uint8_t window_sequence, uint8_t window_shape,
break;
case EIGHT_SHORT_SEQUENCE:
+ /* perform iMDCT for each short block */
faad_imdct(fb->mdct256, freq_in+0*nshort, transf_buf+2*nshort*0);
faad_imdct(fb->mdct256, freq_in+1*nshort, transf_buf+2*nshort*1);
faad_imdct(fb->mdct256, freq_in+2*nshort, transf_buf+2*nshort*2);
@@ -277,6 +267,8 @@ void ifilter_bank(fb_info *fb, uint8_t window_sequence, uint8_t window_shape,
faad_imdct(fb->mdct256, freq_in+5*nshort, transf_buf+2*nshort*5);
faad_imdct(fb->mdct256, freq_in+6*nshort, transf_buf+2*nshort*6);
faad_imdct(fb->mdct256, freq_in+7*nshort, transf_buf+2*nshort*7);
+
+ /* add second half output of previous frame to windowed output of current frame */
for (i = 0; i < nflat_ls; i++)
time_out[i] = overlap[i];
for(i = 0; i < nshort; i++)
@@ -288,6 +280,8 @@ void ifilter_bank(fb_info *fb, uint8_t window_sequence, uint8_t window_shape,
if (i < trans)
time_out[nflat_ls+4*nshort+i] = overlap[nflat_ls+nshort*4+i] + MUL_F(transf_buf[nshort*7+i],window_short[nshort-1-i]) + MUL_F(transf_buf[nshort*8+i],window_short[i]);
}
+
+ /* window the second half and save as overlap for next frame */
for(i = 0; i < nshort; i++)
{
if (i >= trans)
@@ -302,352 +296,39 @@ void ifilter_bank(fb_info *fb, uint8_t window_sequence, uint8_t window_shape,
break;
case LONG_STOP_SEQUENCE:
+ /* perform iMDCT */
imdct_long(fb, freq_in, transf_buf, 2*nlong);
+
+ /* add second half output of previous frame to windowed output of current frame */
+ /* construct first half window using padding with 1's and 0's */
for (i = 0; i < nflat_ls; i++)
time_out[i] = overlap[i];
for (i = 0; i < nshort; i++)
time_out[nflat_ls+i] = overlap[nflat_ls+i] + MUL_F(transf_buf[nflat_ls+i],window_short_prev[i]);
for (i = 0; i < nflat_ls; i++)
time_out[nflat_ls+nshort+i] = overlap[nflat_ls+nshort+i] + transf_buf[nflat_ls+nshort+i];
+
+ /* window the second half and save as overlap for next frame */
for (i = 0; i < nlong; i++)
overlap[i] = MUL_F(transf_buf[nlong+i],window_long[nlong-1-i]);
break;
}
-#ifdef PROFILE
- count = faad_get_ts() - count;
- fb->cycles += count;
-#endif
-}
-
-#ifdef USE_SSE
-void ifilter_bank_sse(fb_info *fb, uint8_t window_sequence, uint8_t window_shape,
- uint8_t window_shape_prev, real_t *freq_in,
- real_t *time_out, uint8_t object_type, uint16_t frame_len)
-{
- int16_t i;
- ALIGN real_t transf_buf[2*1024] = {0};
-
- const real_t *window_long = NULL;
- const real_t *window_long_prev = NULL;
- const real_t *window_short = NULL;
- const real_t *window_short_prev = NULL;
-
- uint16_t nlong = frame_len;
- uint16_t nshort = frame_len/8;
- uint16_t trans = nshort/2;
-
- uint16_t nflat_ls = (nlong-nshort)/2;
-
-#ifdef PROFILE
- int64_t count = faad_get_ts();
-#endif
-
-#ifdef LD_DEC
- if (object_type == LD)
+#if 0
+ for (i = 0; i < 1024; i++)
{
- window_long = fb->ld_window[window_shape];
- window_long_prev = fb->ld_window[window_shape_prev];
- } else {
-#endif
- window_long = fb->long_window[window_shape];
- window_long_prev = fb->long_window[window_shape_prev];
- window_short = fb->short_window[window_shape];
- window_short_prev = fb->short_window[window_shape_prev];
-#ifdef LD_DEC
+ printf("%d\n", time_out[i]);
+ //printf("0x%.8X\n", time_out[i]);
}
#endif
- switch (window_sequence)
- {
- case ONLY_LONG_SEQUENCE:
- imdct_long_sse(fb, freq_in, transf_buf, 2*nlong);
- for (i = 0; i < nlong; i+=4)
- {
- __m128 m1, m2, m3, m4, m5, m6, m7, m8;
-
- m1 = _mm_load_ps(&transf_buf[i]);
- m2 = _mm_load_ps(&window_long_prev[i]);
- m6 = _mm_load_ps(&window_long[nlong-4-i]);
- m3 = _mm_load_ps(&time_out[nlong+i]);
- m5 = _mm_load_ps(&transf_buf[nlong+i]);
-
- m4 = _mm_mul_ps(m1, m2);
- m7 = _mm_shuffle_ps(m6, m6, _MM_SHUFFLE(0, 1, 2, 3));
-
- m4 = _mm_add_ps(m4, m3);
- m8 = _mm_mul_ps(m5, m7);
-
- _mm_store_ps(&time_out[i], m4);
- _mm_store_ps(&time_out[nlong+i], m8);
- }
- break;
-
- case LONG_START_SEQUENCE:
- imdct_long_sse(fb, freq_in, transf_buf, 2*nlong);
- for (i = 0; i < nlong; i+=4)
- {
- __m128 m1 = _mm_load_ps(&transf_buf[i]);
- __m128 m2 = _mm_load_ps(&window_long_prev[i]);
- __m128 m3 = _mm_load_ps(&time_out[nlong+i]);
-
- __m128 m4 = _mm_mul_ps(m1, m2);
- m4 = _mm_add_ps(m4, m3);
-
- _mm_store_ps(&time_out[i], m4);
- }
- for (i = 0; i < nflat_ls; i+=4)
- {
- __m128 m1 = _mm_load_ps(&transf_buf[nlong+i]);
- _mm_store_ps(&time_out[nlong+i], m1);
- }
- for (i = 0; i < nshort; i+=4)
- {
- __m128 m1 = _mm_load_ps(&transf_buf[nlong+nflat_ls+i]);
- __m128 m2 = _mm_load_ps(&window_short[nshort-4-i]);
- __m128 m3, m4;
-
- m3 = _mm_shuffle_ps(m2, m2, _MM_SHUFFLE(0, 1, 2, 3));
-
- m4 = _mm_mul_ps(m1, m3);
-
- _mm_store_ps(&time_out[nlong+nflat_ls+i], m4);
- }
- for (i = 0; i < nflat_ls; i+=4)
- {
- __m128 m1 = _mm_setzero_ps();
- _mm_store_ps(&time_out[nlong+nflat_ls+nshort+i], m1);
- }
- break;
-
- case EIGHT_SHORT_SEQUENCE:
- faad_imdct_sse(fb->mdct256, &freq_in[0*nshort], &transf_buf[2*nshort*0]);
- faad_imdct_sse(fb->mdct256, &freq_in[1*nshort], &transf_buf[2*nshort*1]);
- faad_imdct_sse(fb->mdct256, &freq_in[2*nshort], &transf_buf[2*nshort*2]);
- faad_imdct_sse(fb->mdct256, &freq_in[3*nshort], &transf_buf[2*nshort*3]);
- faad_imdct_sse(fb->mdct256, &freq_in[4*nshort], &transf_buf[2*nshort*4]);
- faad_imdct_sse(fb->mdct256, &freq_in[5*nshort], &transf_buf[2*nshort*5]);
- faad_imdct_sse(fb->mdct256, &freq_in[6*nshort], &transf_buf[2*nshort*6]);
- faad_imdct_sse(fb->mdct256, &freq_in[7*nshort], &transf_buf[2*nshort*7]);
- for (i = 0; i < nflat_ls; i+=4)
- {
- __m128 m1 = _mm_load_ps(&time_out[nlong+i]);
- _mm_store_ps(&time_out[i], m1);
- }
- for (i = 0; i < nshort; i+=4)
- {
- __m128 m1 = _mm_load_ps(&transf_buf[nshort*0+i]);
- __m128 m2 = _mm_load_ps(&window_short_prev[i]);
- __m128 m3 = _mm_load_ps(&time_out[nlong+nflat_ls+i]);
-
- __m128 m4 = _mm_mul_ps(m1, m2);
- m4 = _mm_add_ps(m4, m3);
-
- _mm_store_ps(&time_out[nflat_ls+i], m4);
- }
- for (i = 0; i < nshort; i+=4)
- {
- __m128 m1, m2, m3, m4, m5, m6, m7, m8;
- m1 = _mm_load_ps(&transf_buf[nshort*1+i]);
- m2 = _mm_load_ps(&window_short[nshort-4-i]);
- m3 = _mm_load_ps(&time_out[nlong+nflat_ls+nshort*1+i]);
- m6 = _mm_load_ps(&transf_buf[nshort*2+i]);
- m7 = _mm_load_ps(&window_short[i]);
-
- m5 = _mm_shuffle_ps(m2, m2, _MM_SHUFFLE(0, 1, 2, 3));
-
- m4 = _mm_mul_ps(m1, m5);
- m8 = _mm_mul_ps(m6, m7);
- m4 = _mm_add_ps(m4, m3);
- m4 = _mm_add_ps(m4, m8);
-
- _mm_store_ps(&time_out[nflat_ls+1*nshort+i], m4);
- }
- for (i = 0; i < nshort; i+=4)
- {
- __m128 m1, m2, m3, m4, m5, m6, m7, m8;
- m1 = _mm_load_ps(&transf_buf[nshort*3+i]);
- m2 = _mm_load_ps(&window_short[nshort-4-i]);
- m3 = _mm_load_ps(&time_out[nlong+nflat_ls+nshort*2+i]);
- m6 = _mm_load_ps(&transf_buf[nshort*4+i]);
- m7 = _mm_load_ps(&window_short[i]);
-
- m5 = _mm_shuffle_ps(m2, m2, _MM_SHUFFLE(0, 1, 2, 3));
-
- m4 = _mm_mul_ps(m1, m5);
- m8 = _mm_mul_ps(m6, m7);
- m4 = _mm_add_ps(m4, m3);
- m4 = _mm_add_ps(m4, m8);
-
- _mm_store_ps(&time_out[nflat_ls+2*nshort+i], m4);
- }
- for (i = 0; i < nshort; i+=4)
- {
- __m128 m1, m2, m3, m4, m5, m6, m7, m8;
- m1 = _mm_load_ps(&transf_buf[nshort*5+i]);
- m2 = _mm_load_ps(&window_short[nshort-4-i]);
- m3 = _mm_load_ps(&time_out[nlong+nflat_ls+nshort*3+i]);
- m6 = _mm_load_ps(&transf_buf[nshort*6+i]);
- m7 = _mm_load_ps(&window_short[i]);
-
- m5 = _mm_shuffle_ps(m2, m2, _MM_SHUFFLE(0, 1, 2, 3));
-
- m4 = _mm_mul_ps(m1, m5);
- m8 = _mm_mul_ps(m6, m7);
- m4 = _mm_add_ps(m4, m3);
- m4 = _mm_add_ps(m4, m8);
-
- _mm_store_ps(&time_out[nflat_ls+3*nshort+i], m4);
- }
- for(i = 0; i < trans; i+=4)
- {
- __m128 m1, m2, m3, m4, m5, m6, m7, m8;
- m1 = _mm_load_ps(&transf_buf[nshort*7+i]);
- m2 = _mm_load_ps(&window_short[nshort-4-i]);
- m3 = _mm_load_ps(&time_out[nlong+nflat_ls+nshort*4+i]);
- m6 = _mm_load_ps(&transf_buf[nshort*8+i]);
- m7 = _mm_load_ps(&window_short[i]);
-
- m5 = _mm_shuffle_ps(m2, m2, _MM_SHUFFLE(0, 1, 2, 3));
-
- m4 = _mm_mul_ps(m1, m5);
- m8 = _mm_mul_ps(m6, m7);
- m4 = _mm_add_ps(m4, m3);
- m4 = _mm_add_ps(m4, m8);
-
- _mm_store_ps(&time_out[nflat_ls+4*nshort+i], m4);
- }
- for (i = trans; i < nshort; i+=4)
- {
- __m128 m1, m2, m3, m4, m5, m6, m7, m8;
- m1 = _mm_load_ps(&transf_buf[nshort*7+i]);
- m2 = _mm_load_ps(&window_short[nshort-4-i]);
- m6 = _mm_load_ps(&transf_buf[nshort*8+i]);
- m7 = _mm_load_ps(&window_short[i]);
-
- m5 = _mm_shuffle_ps(m2, m2, _MM_SHUFFLE(0, 1, 2, 3));
-
- m4 = _mm_mul_ps(m1, m5);
- m8 = _mm_mul_ps(m6, m7);
- m3 = _mm_add_ps(m4, m8);
-
- _mm_store_ps(&time_out[nflat_ls+4*nshort+i], m3);
- }
- for (i = 0; i < nshort; i+=4)
- {
- __m128 m1, m2, m3, m4, m5, m6, m7, m8;
- m1 = _mm_load_ps(&transf_buf[nshort*9+i]);
- m2 = _mm_load_ps(&window_short[nshort-4-i]);
- m6 = _mm_load_ps(&transf_buf[nshort*10+i]);
- m7 = _mm_load_ps(&window_short[i]);
-
- m5 = _mm_shuffle_ps(m2, m2, _MM_SHUFFLE(0, 1, 2, 3));
-
- m4 = _mm_mul_ps(m1, m5);
- m8 = _mm_mul_ps(m6, m7);
- m3 = _mm_add_ps(m4, m8);
-
- _mm_store_ps(&time_out[nflat_ls+5*nshort+i], m3);
- }
- for (i = 0; i < nshort; i+=4)
- {
- __m128 m1, m2, m3, m4, m5, m6, m7, m8;
- m1 = _mm_load_ps(&transf_buf[nshort*11+i]);
- m2 = _mm_load_ps(&window_short[nshort-4-i]);
- m6 = _mm_load_ps(&transf_buf[nshort*12+i]);
- m7 = _mm_load_ps(&window_short[i]);
-
- m5 = _mm_shuffle_ps(m2, m2, _MM_SHUFFLE(0, 1, 2, 3));
-
- m4 = _mm_mul_ps(m1, m5);
- m8 = _mm_mul_ps(m6, m7);
- m3 = _mm_add_ps(m4, m8);
-
- _mm_store_ps(&time_out[nflat_ls+6*nshort+i], m3);
- }
- for (i = 0; i < nshort; i+=4)
- {
- __m128 m1, m2, m3, m4, m5, m6, m7, m8;
- m1 = _mm_load_ps(&transf_buf[nshort*13+i]);
- m2 = _mm_load_ps(&window_short[nshort-4-i]);
- m6 = _mm_load_ps(&transf_buf[nshort*14+i]);
- m7 = _mm_load_ps(&window_short[i]);
-
- m5 = _mm_shuffle_ps(m2, m2, _MM_SHUFFLE(0, 1, 2, 3));
-
- m4 = _mm_mul_ps(m1, m5);
- m8 = _mm_mul_ps(m6, m7);
- m3 = _mm_add_ps(m4, m8);
-
- _mm_store_ps(&time_out[nflat_ls+7*nshort+i], m3);
- }
- for (i = 0; i < nshort; i+=4)
- {
- __m128 m1, m2, m3, m5;
- m1 = _mm_load_ps(&transf_buf[nshort*15+i]);
- m2 = _mm_load_ps(&window_short[nshort-4-i]);
-
- m5 = _mm_shuffle_ps(m2, m2, _MM_SHUFFLE(0, 1, 2, 3));
-
- m3 = _mm_mul_ps(m1, m5);
-
- _mm_store_ps(&time_out[nflat_ls+8*nshort+i], m3);
- }
- for (i = 0; i < nflat_ls; i+=4)
- {
- __m128 m1 = _mm_setzero_ps();
- _mm_store_ps(&time_out[nlong+nflat_ls+nshort+i], m1);
- }
- break;
-
- case LONG_STOP_SEQUENCE:
- imdct_long_sse(fb, freq_in, transf_buf, 2*nlong);
- for (i = 0; i < nflat_ls; i+=4)
- {
- __m128 m1 = _mm_load_ps(&time_out[nlong+i]);
- _mm_store_ps(&time_out[i], m1);
- }
- for (i = 0; i < nshort; i+=4)
- {
- __m128 m1 = _mm_load_ps(&transf_buf[nflat_ls+i]);
- __m128 m2 = _mm_load_ps(&window_short_prev[i]);
- __m128 m3 = _mm_load_ps(&time_out[nlong+nflat_ls+i]);
-
- __m128 m4 = _mm_mul_ps(m1, m2);
- m4 = _mm_add_ps(m4, m3);
-
- _mm_store_ps(&time_out[nflat_ls+i], m4);
- }
- for (i = 0; i < nflat_ls; i+=4)
- {
- __m128 m1 = _mm_load_ps(&transf_buf[nflat_ls+nshort+i]);
- __m128 m2 = _mm_load_ps(&time_out[nlong+nflat_ls+nshort+i]);
-
- __m128 m3 = _mm_add_ps(m1, m2);
-
- _mm_store_ps(&time_out[nflat_ls+nshort+i], m3);
- }
- for (i = 0; i < nlong; i+=4)
- {
- __m128 m1 = _mm_load_ps(&transf_buf[nlong+i]);
- __m128 m2 = _mm_load_ps(&window_long[nlong-4-i]);
- __m128 m3, m4;
-
- m3 = _mm_shuffle_ps(m2, m2, _MM_SHUFFLE(0, 1, 2, 3));
-
- m4 = _mm_mul_ps(m1, m3);
-
- _mm_store_ps(&time_out[nlong+i], m4);
- }
- break;
- }
#ifdef PROFILE
count = faad_get_ts() - count;
fb->cycles += count;
#endif
}
-#endif
+
#ifdef LTP_DEC
/* only works for LTP -> no overlapping, no short blocks */
diff --git a/src/libfaad/filtbank.h b/src/libfaad/filtbank.h
index 04cf9e3c5..54c72c0ef 100644
--- a/src/libfaad/filtbank.h
+++ b/src/libfaad/filtbank.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: filtbank.h,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: filtbank.h,v 1.7 2005/10/29 23:57:06 tmmm Exp $
**/
#ifndef __FILTBANK_H__
@@ -52,12 +52,6 @@ void ifilter_bank(fb_info *fb, uint8_t window_sequence, uint8_t window_shape,
real_t *time_out, real_t *overlap,
uint8_t object_type, uint16_t frame_len);
-#ifdef USE_SSE
-void ifilter_bank_sse(fb_info *fb, uint8_t window_sequence, uint8_t window_shape,
- uint8_t window_shape_prev, real_t *freq_in,
- real_t *time_out, uint8_t object_type, uint16_t frame_len);
-#endif
-
#ifdef __cplusplus
}
#endif
diff --git a/src/libfaad/fixed.h b/src/libfaad/fixed.h
index adca27b80..c58ee26cb 100644
--- a/src/libfaad/fixed.h
+++ b/src/libfaad/fixed.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: fixed.h,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: fixed.h,v 1.7 2005/10/29 23:57:06 tmmm Exp $
**/
#ifndef __FIXED_H__
@@ -32,7 +32,7 @@
extern "C" {
#endif
-#ifdef _WIN32_WCE
+#if defined(_WIN32_WCE) && defined(_ARM_)
#include <cmnintrin.h>
#endif
@@ -53,6 +53,11 @@ typedef int32_t real_t;
#define REAL_CONST(A) (((A) >= 0) ? ((real_t)((A)*(REAL_PRECISION)+0.5)) : ((real_t)((A)*(REAL_PRECISION)-0.5)))
#define COEF_CONST(A) (((A) >= 0) ? ((real_t)((A)*(COEF_PRECISION)+0.5)) : ((real_t)((A)*(COEF_PRECISION)-0.5)))
#define FRAC_CONST(A) (((A) == 1.00) ? ((real_t)FRAC_MAX) : (((A) >= 0) ? ((real_t)((A)*(FRAC_PRECISION)+0.5)) : ((real_t)((A)*(FRAC_PRECISION)-0.5))))
+//#define FRAC_CONST(A) (((A) >= 0) ? ((real_t)((A)*(FRAC_PRECISION)+0.5)) : ((real_t)((A)*(FRAC_PRECISION)-0.5)))
+
+#define Q2_BITS 22
+#define Q2_PRECISION (1 << Q2_BITS)
+#define Q2_CONST(A) (((A) >= 0) ? ((real_t)((A)*(Q2_PRECISION)+0.5)) : ((real_t)((A)*(Q2_PRECISION)-0.5)))
#if defined(_WIN32) && !defined(_WIN32_WCE)
@@ -76,6 +81,34 @@ static INLINE real_t MUL_C(real_t A, real_t B)
}
}
+static INLINE real_t MUL_Q2(real_t A, real_t B)
+{
+ _asm {
+ mov eax,A
+ imul B
+ shrd eax,edx,Q2_BITS
+ }
+}
+
+static INLINE real_t MUL_SHIFT6(real_t A, real_t B)
+{
+ _asm {
+ mov eax,A
+ imul B
+ shrd eax,edx,6
+ }
+}
+
+static INLINE real_t MUL_SHIFT23(real_t A, real_t B)
+{
+ _asm {
+ mov eax,A
+ imul B
+ shrd eax,edx,23
+ }
+}
+
+#if 1
static INLINE real_t _MulHigh(real_t A, real_t B)
{
_asm {
@@ -98,6 +131,24 @@ static INLINE void ComplexMult(real_t *y1, real_t *y2,
*y1 = (_MulHigh(x1, c1) + _MulHigh(x2, c2))<<(FRAC_SIZE-FRAC_BITS);
*y2 = (_MulHigh(x2, c1) - _MulHigh(x1, c2))<<(FRAC_SIZE-FRAC_BITS);
}
+#else
+static INLINE real_t MUL_F(real_t A, real_t B)
+{
+ _asm {
+ mov eax,A
+ imul B
+ shrd eax,edx,FRAC_BITS
+ }
+}
+
+/* Complex multiplication */
+static INLINE void ComplexMult(real_t *y1, real_t *y2,
+ real_t x1, real_t x2, real_t c1, real_t c2)
+{
+ *y1 = MUL_F(x1, c1) + MUL_F(x2, c2);
+ *y2 = MUL_F(x2, c1) - MUL_F(x1, c2);
+}
+#endif
#elif defined(__GNUC__) && defined (__arm__)
@@ -127,6 +178,21 @@ static INLINE real_t MUL_C(real_t A, real_t B)
return arm_mul(A, B, COEF_BITS);
}
+static INLINE real_t MUL_Q2(real_t A, real_t B)
+{
+ return arm_mul(A, B, Q2_BITS);
+}
+
+static INLINE real_t MUL_SHIFT6(real_t A, real_t B)
+{
+ return arm_mul(A, B, 6);
+}
+
+static INLINE real_t MUL_SHIFT23(real_t A, real_t B)
+{
+ return arm_mul(A, B, 23);
+}
+
static INLINE real_t _MulHigh(real_t x, real_t y)
{
uint32_t __lo;
@@ -167,16 +233,19 @@ static INLINE void ComplexMult(real_t *y1, real_t *y2,
/* multiply with coef shift */
#define MUL_C(A,B) (real_t)(((int64_t)(A)*(int64_t)(B)+(1 << (COEF_BITS-1))) >> COEF_BITS)
/* multiply with fractional shift */
-#ifndef _WIN32_WCE
- #define _MulHigh(A,B) (real_t)(((int64_t)(A)*(int64_t)(B)+(1 << (FRAC_SIZE-1))) >> FRAC_SIZE)
- #define MUL_F(A,B) (real_t)(((int64_t)(A)*(int64_t)(B)+(1 << (FRAC_BITS-1))) >> FRAC_BITS)
-#else
+#if defined(_WIN32_WCE) && defined(_ARM_)
/* eVC for PocketPC has an intrinsic function that returns only the high 32 bits of a 32x32 bit multiply */
static INLINE real_t MUL_F(real_t A, real_t B)
{
return _MulHigh(A,B) << (32-FRAC_BITS);
}
+#else
+ #define _MulHigh(A,B) (real_t)(((int64_t)(A)*(int64_t)(B)+(1 << (FRAC_SIZE-1))) >> FRAC_SIZE)
+ #define MUL_F(A,B) (real_t)(((int64_t)(A)*(int64_t)(B)+(1 << (FRAC_BITS-1))) >> FRAC_BITS)
#endif
+ #define MUL_Q2(A,B) (real_t)(((int64_t)(A)*(int64_t)(B)+(1 << (Q2_BITS-1))) >> Q2_BITS)
+ #define MUL_SHIFT6(A,B) (real_t)(((int64_t)(A)*(int64_t)(B)+(1 << (6-1))) >> 6)
+ #define MUL_SHIFT23(A,B) (real_t)(((int64_t)(A)*(int64_t)(B)+(1 << (23-1))) >> 23)
/* Complex multiplication */
static INLINE void ComplexMult(real_t *y1, real_t *y2,
diff --git a/src/libfaad/hcr.c b/src/libfaad/hcr.c
index 34fcf6a7b..94f08fd2a 100644
--- a/src/libfaad/hcr.c
+++ b/src/libfaad/hcr.c
@@ -1,6 +1,6 @@
/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
-** Copyright (C) 2002-2004 A. Kurpiers
+** Copyright (C) 2004 G.C. Pascutto, Ahead Software AG, http://www.nero.com
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: hcr.c,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: hcr.c,v 1.7 2005/10/29 23:57:06 tmmm Exp $
**/
#include "common.h"
@@ -31,295 +31,337 @@
#include <stdlib.h>
#include <string.h>
-#include "syntax.h"
#include "specrec.h"
-#include "bits.h"
-#include "pulse.h"
-#include "analysis.h"
-#include "bits.h"
#include "huffman.h"
-/* Implements the HCR11 tool as described in ISO/IEC 14496-3/Amd.1, 8.5.3.3 */
+/* ISO/IEC 14496-3/Amd.1
+ * 8.5.3.3: Huffman Codeword Reordering for AAC spectral data (HCR)
+ *
+ * HCR devides the spectral data in known fixed size segments, and
+ * sorts it by the importance of the data. The importance is firstly
+ * the (lower) position in the spectrum, and secondly the largest
+ * value in the used codebook.
+ * The most important data is written at the start of each segment
+ * (at known positions), the remaining data is interleaved inbetween,
+ * with the writing direction alternating.
+ * Data length is not increased.
+*/
#ifdef ERROR_RESILIENCE
-/* rewind len (max. 32) bits so that the MSB becomes LSB */
+/* 8.5.3.3.1 Pre-sorting */
-static uint32_t rewind_word( uint32_t W, uint8_t len)
-{
- uint8_t i;
- uint32_t tmp_W=0;
+#define NUM_CB 6
+#define NUM_CB_ER 22
+#define MAX_CB 32
+#define VCB11_FIRST 16
+#define VCB11_LAST 31
- for ( i=0; i<len; i++ )
- {
- tmp_W<<=1;
- if (W & (1<<i)) tmp_W |= 1;
- }
- return tmp_W;
-}
+static const uint8_t PreSortCB_STD[NUM_CB] =
+ { 11, 9, 7, 5, 3, 1};
-static void rewind_lword( uint32_t *highW, uint32_t *lowW, uint8_t len)
-{
- uint32_t tmp_lW=0;
+static const uint8_t PreSortCB_ER[NUM_CB_ER] =
+ { 11, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 9, 7, 5, 3, 1};
- if (len > 32)
- {
- tmp_lW = rewind_word( (*highW << (64-len)) | (*lowW >> (len-32)), 32);
- *highW = rewind_word( *lowW << (64-len) , 32);
- *lowW = tmp_lW;
- } else {
- *highW = 0;
- *lowW = rewind_word( *lowW, len);
- }
-}
+/* 8.5.3.3.2 Derivation of segment width */
-/* Takes a codeword as stored in r, rewinds the remaining bits and stores it back */
-static void rewind_bits(bits_t * r)
-{
- uint32_t hw, lw;
+static const uint8_t maxCwLen[MAX_CB] = {0, 11, 9, 20, 16, 13, 11, 14, 12, 17, 14, 49,
+ 0, 0, 0, 0, 14, 17, 21, 21, 25, 25, 29, 29, 29, 29, 33, 33, 33, 37, 37, 41};
- if (r->len == 0) return;
+#define segmentWidth(cb) min(maxCwLen[cb], ics->length_of_longest_codeword)
- if (r->len >32)
- {
- lw = r->bufa;
- hw = r->bufb & (0xFFFFFFFF >> (64 - r->len));
- rewind_lword( &hw, &lw, r->len );
- r->bufa = lw;
- r->bufb = hw;
+/* bit-twiddling helpers */
+static const uint8_t S[] = {1, 2, 4, 8, 16};
+static const uint32_t B[] = {0x55555555, 0x33333333, 0x0F0F0F0F, 0x00FF00FF, 0x0000FFFF};
- } else {
- lw = showbits_hcr(r, r->len );
- r->bufa = rewind_word( lw, r->len);
- r->bufb = 0;
+typedef struct
+{
+ uint8_t cb;
+ uint8_t decoded;
+ uint16_t sp_offset;
+ bits_t bits;
+} codeword_t;
+
+/* rewind and reverse */
+/* 32 bit version */
+static uint32_t rewrev_word(uint32_t v, const uint8_t len)
+{
+ /* 32 bit reverse */
+ v = ((v >> S[0]) & B[0]) | ((v << S[0]) & ~B[0]);
+ v = ((v >> S[1]) & B[1]) | ((v << S[1]) & ~B[1]);
+ v = ((v >> S[2]) & B[2]) | ((v << S[2]) & ~B[2]);
+ v = ((v >> S[3]) & B[3]) | ((v << S[3]) & ~B[3]);
+ v = ((v >> S[4]) & B[4]) | ((v << S[4]) & ~B[4]);
+
+ /* shift off low bits */
+ v >>= (32 - len);
+
+ return v;
+}
+
+/* 64 bit version */
+static void rewrev_lword(uint32_t *hi, uint32_t *lo, const uint8_t len)
+{
+ if (len <= 32) {
+ *hi = 0;
+ *lo = rewrev_word(*lo, len);
+ } else
+ {
+ uint32_t t = *hi, v = *lo;
+
+ /* double 32 bit reverse */
+ v = ((v >> S[0]) & B[0]) | ((v << S[0]) & ~B[0]);
+ t = ((t >> S[0]) & B[0]) | ((t << S[0]) & ~B[0]);
+ v = ((v >> S[1]) & B[1]) | ((v << S[1]) & ~B[1]);
+ t = ((t >> S[1]) & B[1]) | ((t << S[1]) & ~B[1]);
+ v = ((v >> S[2]) & B[2]) | ((v << S[2]) & ~B[2]);
+ t = ((t >> S[2]) & B[2]) | ((t << S[2]) & ~B[2]);
+ v = ((v >> S[3]) & B[3]) | ((v << S[3]) & ~B[3]);
+ t = ((t >> S[3]) & B[3]) | ((t << S[3]) & ~B[3]);
+ v = ((v >> S[4]) & B[4]) | ((v << S[4]) & ~B[4]);
+ t = ((t >> S[4]) & B[4]) | ((t << S[4]) & ~B[4]);
+
+ /* last 32<>32 bit swap is implicit below */
+
+ /* shift off low bits (this is really only one 64 bit shift) */
+ *lo = (t >> (64 - len)) | (v << (len - 32));
+ *hi = v >> (64 - len);
}
}
-/* takes codewords from a and b, concatenate them and store them in b */
-static void concat_bits( bits_t * a, bits_t * b)
+
+/* bits_t version */
+static void rewrev_bits(bits_t *bits)
+{
+ if (bits->len == 0) return;
+ rewrev_lword(&bits->bufb, &bits->bufa, bits->len);
+}
+
+
+/* merge bits of a to b */
+static void concat_bits(bits_t *b, bits_t *a)
{
- uint32_t hwa, lwa, hwb, lwb;
+ uint32_t bl, bh, al, ah;
if (a->len == 0) return;
- if (a->len >32)
+ al = a->bufa;
+ ah = a->bufb;
+
+ if (b->len > 32)
{
- lwa = a->bufa;
- hwa = a->bufb & (0xFFFFFFFF >> (64 - a->len));
- } else {
- lwa = showbits_hcr(a, a->len );
- hwa = 0;
- }
- if (b->len >=32) {
- lwb = b->bufa;
- hwb = (b->bufb & (0xFFFFFFFF >> (64 - b->len)) ) | ( lwa << (b->len - 32));
+ /* maskoff superfluous high b bits */
+ bl = b->bufa;
+ bh = b->bufb & ((1 << (b->len-32)) - 1);
+ /* left shift a b->len bits */
+ ah = al << (b->len - 32);
+ al = 0;
} else {
- lwb = showbits_hcr(b, b->len ) | (lwa << (b->len));
- hwb = (lwa >> (32 - b->len)) | (hwa << (b->len));
+ bl = b->bufa & ((1 << (b->len)) - 1);
+ bh = 0;
+ ah = (ah << (b->len)) | (al >> (32 - b->len));
+ al = al << b->len;
}
- b->bufa = lwb;
- b->bufb = hwb;
+ /* merge */
+ b->bufa = bl | al;
+ b->bufb = bh | ah;
+
b->len += a->len;
}
-
-/* 8.5.3.3.1 */
-
-static const uint8_t PresortedCodebook_VCB11[] = { 11, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 9, 7, 5, 3, 1};
-static const uint8_t PresortedCodebook[] = { 11, 9, 7, 5, 3, 1};
-
-static const uint8_t maxCwLen[32] = {0, 11, 9, 20, 16, 13, 11, 14, 12, 17, 14, 49,
- 0, 0, 0, 0, 14, 17, 21, 21, 25, 25, 29, 29, 29, 29, 33, 33, 33, 37, 37, 41};
-
-typedef struct
-{
- bits_t bits;
- uint8_t decoded;
- uint16_t sp_offset;
- uint8_t cb;
-} codeword_state;
-
-
-#define segmentWidth( codebook ) min( maxCwLen[codebook], ics->length_of_longest_codeword )
-uint8_t reordered_spectral_data(faacDecHandle hDecoder, ic_stream *ics, bitfile *ld,
- int16_t *spectral_data)
+uint8_t is_good_cb(uint8_t this_CB, uint8_t this_sec_CB)
{
- uint16_t sp_offset[8];
- uint16_t g,i, presort;
- uint16_t NrCodeWords=0, numberOfSegments=0, BitsRead=0;
- uint8_t numberOfSets, set;
- codeword_state Codewords[ 1024 ]; // FIXME max length? PCWs are not stored, so index is Codewordnr - numberOfSegments!, maybe malloc()?
- bits_t Segment[ 512 ];
+ /* only want spectral data CB's */
+ if ((this_sec_CB > ZERO_HCB && this_sec_CB <= ESC_HCB) || (this_sec_CB >= VCB11_FIRST && this_sec_CB <= VCB11_LAST))
+ {
+ if (this_CB < ESC_HCB)
+ {
+ /* normal codebook pairs */
+ return ((this_sec_CB == this_CB) || (this_sec_CB == this_CB + 1));
+ } else
+ {
+ /* escape codebook */
+ return (this_sec_CB == this_CB);
+ }
+ }
+ return 0;
+}
+
+void read_segment(bits_t *segment, uint8_t segwidth, bitfile *ld)
+{
+ segment->len = segwidth;
- uint8_t PCW_decoded=0;
- uint16_t nshort = hDecoder->frameLength/8;
+ if (segwidth > 32)
+ {
+ segment->bufb = faad_getbits(ld, segwidth - 32);
+ segment->bufa = faad_getbits(ld, 32);
+ } else {
+ segment->bufa = faad_getbits(ld, segwidth);
+ segment->bufb = 0;
+ }
+}
- /*memset (spectral_data, 0, hDecoder->frameLength*sizeof(uint16_t));*/
+void fill_in_codeword(codeword_t *codeword, uint16_t index, uint16_t sp, uint8_t cb)
+{
+ codeword[index].sp_offset = sp;
+ codeword[index].cb = cb;
+ codeword[index].decoded = 0;
+ codeword[index].bits.len = 0;
+}
- if (ics->length_of_reordered_spectral_data == 0)
- return 0; /* nothing to do */
+uint8_t reordered_spectral_data(NeAACDecHandle hDecoder, ic_stream *ics,
+ bitfile *ld, int16_t *spectral_data)
+{
+ uint16_t PCWs_done;
+ uint16_t numberOfSegments, numberOfSets, numberOfCodewords;
- /* if we have a corrupted bitstream this can happen... */
- if ((ics->length_of_longest_codeword == 0) ||
- (ics->length_of_reordered_spectral_data <
- ics->length_of_longest_codeword) ||
- (ics->max_sfb == 0))
- {
- return 10; /* this is not good... */
- }
+ codeword_t codeword[512];
+ bits_t segment[512];
- /* store the offset into the spectral data for all the window groups because we can't do it later */
+ uint16_t sp_offset[8];
+ uint16_t g, i, sortloop, set, bitsread;
+ uint8_t w_idx, sfb, this_CB, last_CB, this_sec_CB;
+
+ const uint16_t nshort = hDecoder->frameLength/8;
+ const uint16_t sp_data_len = ics->length_of_reordered_spectral_data;
+
+ const uint8_t *PreSortCb;
+
+ /* no data (e.g. silence) */
+ if (sp_data_len == 0)
+ return 0;
+
+ /* since there is spectral data, at least one codeword has nonzero length */
+ if (ics->length_of_longest_codeword == 0)
+ return 10;
+
+ if (sp_data_len < ics->length_of_longest_codeword)
+ return 10;
sp_offset[0] = 0;
- for (g=1; g < ics->num_window_groups; g++)
+ for (g = 1; g < ics->num_window_groups; g++)
{
sp_offset[g] = sp_offset[g-1] + nshort*ics->window_group_length[g-1];
}
- /* All data is sorted according to the codebook used */
- for (presort = 0; presort < (hDecoder->aacSectionDataResilienceFlag ? 22 : 6); presort++)
- {
- uint8_t sfb;
-
- /* next codebook that has to be processed according to presorting */
- uint8_t nextCB = hDecoder->aacSectionDataResilienceFlag ? PresortedCodebook_VCB11[ presort ] : PresortedCodebook[ presort ];
+ PCWs_done = 0;
+ numberOfSegments = 0;
+ numberOfCodewords = 0;
+ bitsread = 0;
- /* Data belonging to the same spectral unit and having the same codebook comes in consecutive codewords.
- This is done by scanning all sfbs for possible codewords. For sfbs with more than 4 elements this has to be
- repeated */
-
- for (sfb=0; sfb<ics->max_sfb; sfb ++)
+ /* VCB11 code books in use */
+ if (hDecoder->aacSectionDataResilienceFlag)
+ {
+ PreSortCb = PreSortCB_ER;
+ last_CB = NUM_CB_ER;
+ } else
+ {
+ PreSortCb = PreSortCB_STD;
+ last_CB = NUM_CB;
+ }
+
+ /* step 1: decode PCW's (set 0), and stuff data in easier-to-use format */
+ for (sortloop = 0; sortloop < last_CB; sortloop++)
+ {
+ /* select codebook to process this pass */
+ this_CB = PreSortCb[sortloop];
+
+ /* loop over sfbs */
+ for (sfb = 0; sfb < ics->max_sfb; sfb++)
{
- uint8_t sect_cb, w;
-
- for (w=0; w< (ics->swb_offset[sfb+1] - ics->swb_offset[sfb]); w+=4)
+ /* loop over all in this sfb, 4 lines per loop */
+ for (w_idx = 0; 4*w_idx < (ics->swb_offset[sfb+1] - ics->swb_offset[sfb]); w_idx++)
{
for(g = 0; g < ics->num_window_groups; g++)
{
for (i = 0; i < ics->num_sec[g]; i++)
{
- sect_cb = ics->sect_cb[g][i];
-
- if (
- /* process only sections that are due now */
- (( sect_cb == nextCB ) || (( nextCB < ESC_HCB ) && ( sect_cb == nextCB+1)) ) &&
-
- /* process only sfb's that are due now */
- ((ics->sect_start[g][i] <= sfb) && (ics->sect_end[g][i] > sfb))
- )
- {
- if ((sect_cb != ZERO_HCB) &&
- (sect_cb != NOISE_HCB) &&
- (sect_cb != INTENSITY_HCB) &&
- (sect_cb != INTENSITY_HCB2))
+ /* check whether sfb used here is the one we want to process */
+ if ((ics->sect_start[g][i] <= sfb) && (ics->sect_end[g][i] > sfb))
+ {
+ /* check whether codebook used here is the one we want to process */
+ this_sec_CB = ics->sect_cb[g][i];
+
+ if (is_good_cb(this_CB, this_sec_CB))
{
- uint8_t inc = (sect_cb < FIRST_PAIR_HCB) ? QUAD_LEN : PAIR_LEN;
- uint16_t k;
-
- uint32_t hw, lw;
-
- for (k=0; (k < (4/inc)*ics->window_group_length[g]) &&
- ( (k+w*ics->window_group_length[g]/inc) < (ics->sect_sfb_offset[g][sfb+1] - ics->sect_sfb_offset[g][sfb])); k++)
+ /* precalculate some stuff */
+ uint16_t sect_sfb_size = ics->sect_sfb_offset[g][sfb+1] - ics->sect_sfb_offset[g][sfb];
+ uint8_t inc = (this_sec_CB < FIRST_PAIR_HCB) ? QUAD_LEN : PAIR_LEN;
+ uint16_t group_cws_count = (4*ics->window_group_length[g])/inc;
+ uint8_t segwidth = segmentWidth(this_sec_CB);
+ uint16_t cws;
+
+ /* read codewords until end of sfb or end of window group (shouldn't only 1 trigger?) */
+ for (cws = 0; (cws < group_cws_count) && ((cws + w_idx*group_cws_count) < sect_sfb_size); cws++)
{
- uint16_t sp = sp_offset[g] + ics->sect_sfb_offset[g][sfb] + inc*(k+w*ics->window_group_length[g]/inc);
-
- if (!PCW_decoded)
- {
- /* if we haven't yet read until the end of the buffer, we can directly decode the so-called PCWs */
- if ((BitsRead + segmentWidth( sect_cb ))<= ics->length_of_reordered_spectral_data)
- {
- Segment[ numberOfSegments ].len = segmentWidth( sect_cb );
-
- if (segmentWidth( sect_cb ) > 32)
- {
- Segment[ numberOfSegments ].bufb = faad_showbits(ld, segmentWidth( sect_cb ) - 32);
- faad_flushbits(ld, segmentWidth( sect_cb) - 32);
- Segment[ numberOfSegments ].bufa = faad_showbits(ld, 32),
- faad_flushbits(ld, 32 );
-
- } else {
- Segment[ numberOfSegments ].bufa = faad_showbits(ld, segmentWidth( sect_cb ));
- Segment[ numberOfSegments ].bufb = 0;
- faad_flushbits(ld, segmentWidth( sect_cb) );
- }
-
- huffman_spectral_data_2(sect_cb, &Segment[ numberOfSegments ], &spectral_data[sp]);
-
- BitsRead += segmentWidth( sect_cb );
-
- /* skip to next segment, but store left bits in new buffer */
- rewind_bits( &Segment[ numberOfSegments ]);
+ uint16_t sp = sp_offset[g] + ics->sect_sfb_offset[g][sfb] + inc * (cws + w_idx*group_cws_count);
+
+ /* read and decode PCW */
+ if (!PCWs_done)
+ {
+ /* read in normal segments */
+ if (bitsread + segwidth <= sp_data_len)
+ {
+ read_segment(&segment[numberOfSegments], segwidth, ld);
+ bitsread += segwidth;
+
+ huffman_spectral_data_2(this_sec_CB, &segment[numberOfSegments], &spectral_data[sp]);
+
+ /* keep leftover bits */
+ rewrev_bits(&segment[numberOfSegments]);
numberOfSegments++;
} else {
-
- /* the last segment is extended until length_of_reordered_spectral_data */
-
- if (BitsRead < ics->length_of_reordered_spectral_data)
- {
-
- uint8_t additional_bits = (ics->length_of_reordered_spectral_data - BitsRead);
-
- if ( additional_bits > 32)
- {
- hw = faad_showbits(ld, additional_bits - 32);
- faad_flushbits(ld, additional_bits - 32);
- lw = faad_showbits(ld, 32);
- faad_flushbits(ld, 32 );
- } else {
- lw = faad_showbits(ld, additional_bits);
- hw = 0;
- faad_flushbits(ld, additional_bits );
- }
- rewind_lword( &hw, &lw, additional_bits + Segment[ numberOfSegments-1 ].len );
- if (Segment[ numberOfSegments-1 ].len > 32)
+ /* remaining stuff after last segment, we unfortunately couldn't read
+ this in earlier because it might not fit in 64 bits. since we already
+ decoded (and removed) the PCW it is now guaranteed to fit */
+ if (bitsread < sp_data_len)
+ {
+ const uint8_t additional_bits = sp_data_len - bitsread;
+
+ read_segment(&segment[numberOfSegments], additional_bits, ld);
+ segment[numberOfSegments].len += segment[numberOfSegments-1].len;
+ rewrev_bits(&segment[numberOfSegments]);
+
+ if (segment[numberOfSegments-1].len > 32)
{
- Segment[ numberOfSegments-1 ].bufb = hw +
- showbits_hcr(&Segment[ numberOfSegments-1 ], Segment[ numberOfSegments-1 ].len - 32);
- Segment[ numberOfSegments-1 ].bufa = lw +
- showbits_hcr(&Segment[ numberOfSegments-1 ], 32);
+ segment[numberOfSegments-1].bufb = segment[numberOfSegments].bufb +
+ showbits_hcr(&segment[numberOfSegments-1], segment[numberOfSegments-1].len - 32);
+ segment[numberOfSegments-1].bufa = segment[numberOfSegments].bufa +
+ showbits_hcr(&segment[numberOfSegments-1], 32);
} else {
- Segment[ numberOfSegments-1 ].bufa = lw +
- showbits_hcr(&Segment[ numberOfSegments-1 ], Segment[ numberOfSegments-1 ].len);
- Segment[ numberOfSegments-1 ].bufb = hw;
- }
- Segment[ numberOfSegments-1 ].len += additional_bits;
+ segment[numberOfSegments-1].bufa = segment[numberOfSegments].bufa +
+ showbits_hcr(&segment[numberOfSegments-1], segment[numberOfSegments-1].len);
+ segment[numberOfSegments-1].bufb = segment[numberOfSegments].bufb;
+ }
+ segment[numberOfSegments-1].len += additional_bits;
}
- BitsRead = ics->length_of_reordered_spectral_data;
- PCW_decoded = 1;
+ bitsread = sp_data_len;
+ PCWs_done = 1;
- Codewords[ 0 ].sp_offset = sp;
- Codewords[ 0 ].cb = sect_cb;
- Codewords[ 0 ].decoded = 0;
- Codewords[ 0 ].bits.len = 0;
+ fill_in_codeword(codeword, 0, sp, this_sec_CB);
}
- } else {
- Codewords[ NrCodeWords - numberOfSegments ].sp_offset = sp;
- Codewords[ NrCodeWords - numberOfSegments ].cb = sect_cb;
- Codewords[ NrCodeWords - numberOfSegments ].decoded = 0;
- Codewords[ NrCodeWords - numberOfSegments ].bits.len = 0;
-
- } /* PCW decoded */
- NrCodeWords++;
- } /* of k */
+ } else {
+ fill_in_codeword(codeword, numberOfCodewords - numberOfSegments, sp, this_sec_CB);
+ }
+ numberOfCodewords++;
+ }
}
}
- } /* of i */
- } /* of g */
- } /* of w */
- } /* of sfb */
- } /* of presort */
+ }
+ }
+ }
+ }
+ }
- /* Avoid divide by zero */
if (numberOfSegments == 0)
- return 10; /* this is not good... */
-
- numberOfSets = NrCodeWords / numberOfSegments;
+ return 10;
- /* second step: decode nonPCWs */
+ numberOfSets = numberOfCodewords / numberOfSegments;
+ /* step 2: decode nonPCWs */
for (set = 1; set <= numberOfSets; set++)
{
uint16_t trial;
@@ -327,85 +369,40 @@ uint8_t reordered_spectral_data(faacDecHandle hDecoder, ic_stream *ics, bitfile
for (trial = 0; trial < numberOfSegments; trial++)
{
uint16_t codewordBase;
- uint16_t set_decoded=numberOfSegments;
-
- if (set == numberOfSets)
- set_decoded = NrCodeWords - set*numberOfSegments; /* last set is shorter than the rest */
for (codewordBase = 0; codewordBase < numberOfSegments; codewordBase++)
{
- uint16_t segment_index = (trial + codewordBase) % numberOfSegments;
- uint16_t codeword_index = codewordBase + set*numberOfSegments - numberOfSegments;
-
- if ((codeword_index + numberOfSegments) >= NrCodeWords)
- break;
- if (!Codewords[ codeword_index ].decoded)
- {
- if ( Segment[ segment_index ].len > 0)
- {
- uint8_t tmplen;
+ const uint16_t segment_idx = (trial + codewordBase) % numberOfSegments;
+ const uint16_t codeword_idx = codewordBase + set*numberOfSegments - numberOfSegments;
- if (Codewords[ codeword_index ].bits.len != 0)
- {
- /* on the first trial the data is only stored in Segment[], not in Codewords[].
- On next trials first collect the data stored for this codeword and
- concatenate the new data from Segment[] */
+ /* data up */
+ if (codeword_idx >= numberOfCodewords - numberOfSegments) break;
- concat_bits( &Codewords[ codeword_index ].bits, &Segment[ segment_index ]);
- /* Now everthing is stored in Segment[] */
- }
- tmplen = Segment[ segment_index ].len;
- if ( huffman_spectral_data_2(Codewords[ codeword_index ].cb, &Segment[ segment_index ],
- &spectral_data[ Codewords[ codeword_index ].sp_offset ]) >=0)
- {
- /* CW did fit into segment */
-
- Codewords[ codeword_index ].decoded = 1;
- set_decoded--;
- } else {
+ if (!codeword[codeword_idx].decoded && segment[segment_idx].len > 0)
+ {
+ uint8_t tmplen;
- /* CW did not fit, so store for later use */
+ if (codeword[codeword_idx].bits.len != 0)
+ concat_bits(&segment[segment_idx], &codeword[codeword_idx].bits);
+
+ tmplen = segment[segment_idx].len;
- Codewords[ codeword_index ].bits.len = tmplen;
- Codewords[ codeword_index ].bits.bufa = Segment[ segment_index ].bufa;
- Codewords[ codeword_index ].bits.bufb = Segment[ segment_index ].bufb;
- }
- }
+ if (huffman_spectral_data_2(codeword[codeword_idx].cb, &segment[segment_idx],
+ &spectral_data[codeword[codeword_idx].sp_offset]) >= 0)
+ {
+ codeword[codeword_idx].decoded = 1;
+ } else
+ {
+ codeword[codeword_idx].bits = segment[segment_idx];
+ codeword[codeword_idx].bits.len = tmplen;
+ }
+
}
- } /* of codewordBase */
-
- if (set_decoded == 0) break; /* no undecoded codewords left in this set */
-
- } /* of trial */
-
- /* rewind all bits in remaining segments with len>0 */
- for (i=0; i < numberOfSegments; i++)
- rewind_bits( &Segment[ i ] );
- }
-
-#if 0
- {
- int i, r=0, c=0;
- for (i=0; i< numberOfSegments; i++)
- r += Segment[ i ].len;
- if (r != 0)
- {
- printf("reordered_spectral_data: %d bits remaining!\n", r);
- }
- for (i=0; i< NrCodeWords - numberOfSegments; i++)
- {
- if (Codewords[ i ].decoded == 0)
- {
- c++;
}
}
- if (c != 0)
- {
- printf("reordered_spectral_data: %d Undecoded Codewords remaining!\n",c );
- }
- if ((r !=0) || (c!=0)) return 10;
+ for (i = 0; i < numberOfSegments; i++)
+ rewrev_bits(&segment[i]);
}
-#endif
return 0;
}
diff --git a/src/libfaad/huffman.c b/src/libfaad/huffman.c
index 44b78c029..6c24a6cec 100644
--- a/src/libfaad/huffman.c
+++ b/src/libfaad/huffman.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: huffman.c,v 1.4 2004/12/03 01:15:30 tmattern Exp $
+** $Id: huffman.c,v 1.5 2005/10/29 23:57:06 tmmm Exp $
**/
#include "common.h"
@@ -50,6 +50,7 @@ static uint8_t huffman_binary_quad_sign(uint8_t cb, bitfile *ld, int16_t *sp);
static uint8_t huffman_binary_pair(uint8_t cb, bitfile *ld, int16_t *sp);
static uint8_t huffman_binary_pair_sign(uint8_t cb, bitfile *ld, int16_t *sp);
static int16_t huffman_codebook(uint8_t i);
+static void vcb11_check_LAV(uint8_t cb, int16_t *sp);
int8_t huffman_scale_factor(bitfile *ld)
{
@@ -120,8 +121,8 @@ static INLINE void huffman_sign_bits(bitfile *ld, int16_t *sp, uint8_t len)
static INLINE int16_t huffman_getescape(bitfile *ld, int16_t sp)
{
uint8_t neg, i;
- int32_t j;
- int32_t off;
+ int16_t j;
+ int16_t off;
if (sp < 0)
{
@@ -143,7 +144,7 @@ static INLINE int16_t huffman_getescape(bitfile *ld, int16_t sp)
}
}
- off = faad_getbits(ld, i
+ off = (int16_t)faad_getbits(ld, i
DEBUGVAR(1,9,"huffman_getescape(): escape"));
j = off | (1<<i);
@@ -310,6 +311,26 @@ static int16_t huffman_codebook(uint8_t i)
else return (int16_t)data & 0xFFFF;
}
+static void vcb11_check_LAV(uint8_t cb, int16_t *sp)
+{
+ static const uint16_t vcb11_LAV_tab[] = {
+ 16, 31, 47, 63, 95, 127, 159, 191, 223,
+ 255, 319, 383, 511, 767, 1023, 2047
+ };
+ uint16_t max = 0;
+
+ if (cb < 16 || cb > 31)
+ return;
+
+ max = vcb11_LAV_tab[cb - 16];
+
+ if ((abs(sp[0]) > max) || (abs(sp[1]) > max))
+ {
+ sp[0] = 0;
+ sp[1] = 0;
+ }
+}
+
uint8_t huffman_spectral_data(uint8_t cb, bitfile *ld, int16_t *sp)
{
switch (cb)
@@ -336,18 +357,28 @@ uint8_t huffman_spectral_data(uint8_t cb, bitfile *ld, int16_t *sp)
sp[0] = huffman_codebook(0); sp[1] = huffman_codebook(1);
return err; }
case 11:
+ {
+ uint8_t err = huffman_2step_pair_sign(11, ld, sp);
+ sp[0] = huffman_getescape(ld, sp[0]);
+ sp[1] = huffman_getescape(ld, sp[1]);
+ return err;
+ }
#ifdef ERROR_RESILIENCE
/* VCB11 uses codebook 11 */
case 16: case 17: case 18: case 19: case 20: case 21: case 22: case 23:
case 24: case 25: case 26: case 27: case 28: case 29: case 30: case 31:
- /* TODO: If ER is used, some extra error checking should be done */
-#endif
{
uint8_t err = huffman_2step_pair_sign(11, ld, sp);
sp[0] = huffman_getescape(ld, sp[0]);
sp[1] = huffman_getescape(ld, sp[1]);
+
+ /* check LAV (Largest Absolute Value) */
+ /* this finds errors in the ESCAPE signal */
+ vcb11_check_LAV(cb, sp);
+
return err;
}
+#endif
default:
/* Non existent codebook number, something went wrong */
return 11;
@@ -369,7 +400,7 @@ int8_t huffman_spectral_data_2(uint8_t cb, bits_t *ld, int16_t *sp)
uint32_t cw;
uint16_t offset = 0;
uint8_t extra_bits;
- uint8_t i;
+ uint8_t i, vcb11 = 0;
switch (cb)
@@ -406,9 +437,12 @@ int8_t huffman_spectral_data_2(uint8_t cb, bits_t *ld, int16_t *sp)
case 16: case 17: case 18: case 19: case 20: case 21: case 22: case 23:
case 24: case 25: case 26: case 27: case 28: case 29: case 30: case 31:
- /* TODO: If ER is used, some extra error checking should be done */
if (cb >= 16)
+ {
+ /* store the virtual codebook */
+ vcb11 = cb;
cb = 11;
+ }
cw = showbits_hcr(ld, hcbN[cb]);
offset = hcb_table[cb][cw].offset;
@@ -463,8 +497,8 @@ int8_t huffman_spectral_data_2(uint8_t cb, bits_t *ld, int16_t *sp)
}
/* decode sign bits */
- if (unsigned_cb[cb]) {
-
+ if (unsigned_cb[cb])
+ {
for(i = 0; i < ((cb < FIRST_PAIR_HCB) ? QUAD_LEN : PAIR_LEN); i++)
{
if(sp[i])
@@ -500,13 +534,20 @@ int8_t huffman_spectral_data_2(uint8_t cb, bits_t *ld, int16_t *sp)
if (b == 0)
break;
}
-// TODO: here we would need to test "off" if VCB11 is used!
+
if (getbits_hcr(ld, i, &off))
return -1;
j = off + (1<<i);
sp[k] = (int16_t)((neg) ? -j : j);
}
}
+
+ if (vcb11 != 0)
+ {
+ /* check LAV (Largest Absolute Value) */
+ /* this finds errors in the ESCAPE signal */
+ vcb11_check_LAV(vcb11, sp);
+ }
}
return ld->len;
}
diff --git a/src/libfaad/huffman.h b/src/libfaad/huffman.h
index b5968063a..cffe23093 100644
--- a/src/libfaad/huffman.h
+++ b/src/libfaad/huffman.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: huffman.h,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: huffman.h,v 1.7 2005/10/29 23:57:06 tmmm Exp $
**/
#ifndef __HUFFMAN_H__
diff --git a/src/libfaad/ic_predict.c b/src/libfaad/ic_predict.c
index f817b77bd..82753a9f2 100644
--- a/src/libfaad/ic_predict.c
+++ b/src/libfaad/ic_predict.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: ic_predict.c,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: ic_predict.c,v 1.7 2005/10/29 23:57:06 tmmm Exp $
**/
#include "common.h"
diff --git a/src/libfaad/ic_predict.h b/src/libfaad/ic_predict.h
index 477ab1d6d..233992b96 100644
--- a/src/libfaad/ic_predict.h
+++ b/src/libfaad/ic_predict.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: ic_predict.h,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: ic_predict.h,v 1.7 2005/10/29 23:57:06 tmmm Exp $
**/
#ifdef MAIN_DEC
diff --git a/src/libfaad/iq_table.h b/src/libfaad/iq_table.h
index ac28224e1..9002e15d7 100644
--- a/src/libfaad/iq_table.h
+++ b/src/libfaad/iq_table.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: iq_table.h,v 1.5 2004/12/03 01:15:30 tmattern Exp $
+** $Id: iq_table.h,v 1.6 2005/10/29 23:57:06 tmmm Exp $
**/
#ifndef IQ_TABLE_H__
@@ -8243,7 +8243,11 @@ ALIGN static const real_t iq_table[IQ_TABLE_SIZE] =
#else
+#ifdef BIG_IQ_TABLE
+#define IQ_TABLE_SIZE 8192
+#else
#define IQ_TABLE_SIZE 1026
+#endif
ALIGN static const real_t iq_table[IQ_TABLE_SIZE] =
{
@@ -9273,6 +9277,7174 @@ ALIGN static const real_t iq_table[IQ_TABLE_SIZE] =
REAL_CONST(10307.836270711066/8.0),
REAL_CONST(10321.273240738796/8.0),
REAL_CONST(10334.71458549278/8.0)
+#ifdef BIG_IQ_TABLE
+ ,REAL_CONST(10348.160302127204/8.0),
+ REAL_CONST(10361.610387800878/8.0),
+ REAL_CONST(10375.064839677221/8.0),
+ REAL_CONST(10388.523654924258/8.0),
+ REAL_CONST(10401.986830714593/8.0),
+ REAL_CONST(10415.454364225412/8.0),
+ REAL_CONST(10428.926252638465/8.0),
+ REAL_CONST(10442.402493140049/8.0),
+ REAL_CONST(10455.883082921007/8.0),
+ REAL_CONST(10469.368019176709/8.0),
+ REAL_CONST(10482.85729910704/8.0),
+ REAL_CONST(10496.350919916393/8.0),
+ REAL_CONST(10509.848878813653/8.0),
+ REAL_CONST(10523.351173012188/8.0),
+ REAL_CONST(10536.857799729838/8.0),
+ REAL_CONST(10550.3687561889/8.0),
+ REAL_CONST(10563.884039616123/8.0),
+ REAL_CONST(10577.403647242685/8.0),
+ REAL_CONST(10590.927576304197/8.0),
+ REAL_CONST(10604.455824040679/8.0),
+ REAL_CONST(10617.988387696556/8.0),
+ REAL_CONST(10631.525264520642/8.0),
+ REAL_CONST(10645.066451766135/8.0),
+ REAL_CONST(10658.611946690598/8.0),
+ REAL_CONST(10672.161746555956/8.0),
+ REAL_CONST(10685.715848628475/8.0),
+ REAL_CONST(10699.274250178762/8.0),
+ REAL_CONST(10712.836948481747/8.0),
+ REAL_CONST(10726.403940816675/8.0),
+ REAL_CONST(10739.975224467091/8.0),
+ REAL_CONST(10753.550796720834/8.0),
+ REAL_CONST(10767.130654870027/8.0),
+ REAL_CONST(10780.714796211059/8.0),
+ REAL_CONST(10794.303218044579/8.0),
+ REAL_CONST(10807.895917675487/8.0),
+ REAL_CONST(10821.492892412922/8.0),
+ REAL_CONST(10835.094139570248/8.0),
+ REAL_CONST(10848.699656465047/8.0),
+ REAL_CONST(10862.309440419107/8.0),
+ REAL_CONST(10875.923488758415/8.0),
+ REAL_CONST(10889.541798813138/8.0),
+ REAL_CONST(10903.16436791762/8.0),
+ REAL_CONST(10916.791193410372/8.0),
+ REAL_CONST(10930.422272634056/8.0),
+ REAL_CONST(10944.05760293548/8.0),
+ REAL_CONST(10957.697181665582/8.0),
+ REAL_CONST(10971.341006179427/8.0),
+ REAL_CONST(10984.98907383619/8.0),
+ REAL_CONST(10998.641381999149/8.0),
+ REAL_CONST(11012.297928035676/8.0),
+ REAL_CONST(11025.958709317223/8.0),
+ REAL_CONST(11039.623723219316/8.0),
+ REAL_CONST(11053.292967121541/8.0),
+ REAL_CONST(11066.966438407539/8.0),
+ REAL_CONST(11080.64413446499/8.0),
+ REAL_CONST(11094.326052685608/8.0),
+ REAL_CONST(11108.012190465128/8.0),
+ REAL_CONST(11121.702545203296/8.0),
+ REAL_CONST(11135.397114303863/8.0),
+ REAL_CONST(11149.095895174571/8.0),
+ REAL_CONST(11162.798885227143/8.0),
+ REAL_CONST(11176.506081877278/8.0),
+ REAL_CONST(11190.217482544635/8.0),
+ REAL_CONST(11203.933084652828/8.0),
+ REAL_CONST(11217.652885629415/8.0),
+ REAL_CONST(11231.376882905886/8.0),
+ REAL_CONST(11245.105073917659/8.0),
+ REAL_CONST(11258.837456104062/8.0),
+ REAL_CONST(11272.574026908333/8.0),
+ REAL_CONST(11286.314783777601/8.0),
+ REAL_CONST(11300.059724162888/8.0),
+ REAL_CONST(11313.808845519083/8.0),
+ REAL_CONST(11327.562145304952/8.0),
+ REAL_CONST(11341.319620983111/8.0),
+ REAL_CONST(11355.081270020033/8.0),
+ REAL_CONST(11368.847089886023/8.0),
+ REAL_CONST(11382.617078055218/8.0),
+ REAL_CONST(11396.391232005579/8.0),
+ REAL_CONST(11410.169549218874/8.0),
+ REAL_CONST(11423.952027180676/8.0),
+ REAL_CONST(11437.738663380349/8.0),
+ REAL_CONST(11451.529455311042/8.0),
+ REAL_CONST(11465.324400469679/8.0),
+ REAL_CONST(11479.123496356951/8.0),
+ REAL_CONST(11492.926740477304/8.0),
+ REAL_CONST(11506.734130338931/8.0),
+ REAL_CONST(11520.545663453764/8.0),
+ REAL_CONST(11534.361337337466/8.0),
+ REAL_CONST(11548.181149509423/8.0),
+ REAL_CONST(11562.005097492724/8.0),
+ REAL_CONST(11575.83317881417/8.0),
+ REAL_CONST(11589.665391004253/8.0),
+ REAL_CONST(11603.501731597149/8.0),
+ REAL_CONST(11617.342198130715/8.0),
+ REAL_CONST(11631.186788146468/8.0),
+ REAL_CONST(11645.035499189589/8.0),
+ REAL_CONST(11658.888328808911/8.0),
+ REAL_CONST(11672.745274556904/8.0),
+ REAL_CONST(11686.606333989675/8.0),
+ REAL_CONST(11700.471504666955/8.0),
+ REAL_CONST(11714.340784152086/8.0),
+ REAL_CONST(11728.214170012021/8.0),
+ REAL_CONST(11742.091659817312/8.0),
+ REAL_CONST(11755.973251142101/8.0),
+ REAL_CONST(11769.858941564111/8.0),
+ REAL_CONST(11783.748728664636/8.0),
+ REAL_CONST(11797.642610028539/8.0),
+ REAL_CONST(11811.540583244237/8.0),
+ REAL_CONST(11825.442645903697/8.0),
+ REAL_CONST(11839.34879560242/8.0),
+ REAL_CONST(11853.259029939445/8.0),
+ REAL_CONST(11867.173346517333/8.0),
+ REAL_CONST(11881.091742942155/8.0),
+ REAL_CONST(11895.014216823492/8.0),
+ REAL_CONST(11908.940765774427/8.0),
+ REAL_CONST(11922.871387411526/8.0),
+ REAL_CONST(11936.806079354839/8.0),
+ REAL_CONST(11950.744839227897/8.0),
+ REAL_CONST(11964.687664657684/8.0),
+ REAL_CONST(11978.634553274653/8.0),
+ REAL_CONST(11992.585502712702/8.0),
+ REAL_CONST(12006.540510609168/8.0),
+ REAL_CONST(12020.499574604828/8.0),
+ REAL_CONST(12034.462692343877/8.0),
+ REAL_CONST(12048.429861473938/8.0),
+ REAL_CONST(12062.401079646032/8.0),
+ REAL_CONST(12076.376344514589/8.0),
+ REAL_CONST(12090.355653737433/8.0),
+ REAL_CONST(12104.339004975769/8.0),
+ REAL_CONST(12118.326395894188/8.0),
+ REAL_CONST(12132.317824160644/8.0),
+ REAL_CONST(12146.313287446457/8.0),
+ REAL_CONST(12160.312783426305/8.0),
+ REAL_CONST(12174.316309778205/8.0),
+ REAL_CONST(12188.323864183525/8.0),
+ REAL_CONST(12202.335444326955/8.0),
+ REAL_CONST(12216.351047896511/8.0),
+ REAL_CONST(12230.370672583531/8.0),
+ REAL_CONST(12244.394316082657/8.0),
+ REAL_CONST(12258.421976091831/8.0),
+ REAL_CONST(12272.453650312296/8.0),
+ REAL_CONST(12286.489336448574/8.0),
+ REAL_CONST(12300.529032208471/8.0),
+ REAL_CONST(12314.572735303058/8.0),
+ REAL_CONST(12328.620443446678/8.0),
+ REAL_CONST(12342.672154356922/8.0),
+ REAL_CONST(12356.727865754638/8.0),
+ REAL_CONST(12370.787575363909/8.0),
+ REAL_CONST(12384.851280912055/8.0),
+ REAL_CONST(12398.918980129623/8.0),
+ REAL_CONST(12412.990670750381/8.0),
+ REAL_CONST(12427.066350511306/8.0),
+ REAL_CONST(12441.146017152583/8.0),
+ REAL_CONST(12455.229668417589/8.0),
+ REAL_CONST(12469.317302052901/8.0),
+ REAL_CONST(12483.40891580827/8.0),
+ REAL_CONST(12497.50450743663/8.0),
+ REAL_CONST(12511.604074694078/8.0),
+ REAL_CONST(12525.707615339878/8.0),
+ REAL_CONST(12539.815127136444/8.0),
+ REAL_CONST(12553.926607849342/8.0),
+ REAL_CONST(12568.042055247275/8.0),
+ REAL_CONST(12582.161467102082/8.0),
+ REAL_CONST(12596.284841188726/8.0),
+ REAL_CONST(12610.41217528529/8.0),
+ REAL_CONST(12624.543467172971/8.0),
+ REAL_CONST(12638.678714636069/8.0),
+ REAL_CONST(12652.817915461985/8.0),
+ REAL_CONST(12666.961067441209/8.0),
+ REAL_CONST(12681.108168367316/8.0),
+ REAL_CONST(12695.259216036962/8.0),
+ REAL_CONST(12709.414208249869/8.0),
+ REAL_CONST(12723.573142808827/8.0),
+ REAL_CONST(12737.736017519681/8.0),
+ REAL_CONST(12751.902830191326/8.0),
+ REAL_CONST(12766.073578635704/8.0),
+ REAL_CONST(12780.248260667788/8.0),
+ REAL_CONST(12794.426874105588/8.0),
+ REAL_CONST(12808.609416770132/8.0),
+ REAL_CONST(12822.795886485468/8.0),
+ REAL_CONST(12836.986281078653/8.0),
+ REAL_CONST(12851.180598379744/8.0),
+ REAL_CONST(12865.378836221802/8.0),
+ REAL_CONST(12879.580992440871/8.0),
+ REAL_CONST(12893.787064875984/8.0),
+ REAL_CONST(12907.997051369144/8.0),
+ REAL_CONST(12922.210949765335/8.0),
+ REAL_CONST(12936.428757912496/8.0),
+ REAL_CONST(12950.650473661524/8.0),
+ REAL_CONST(12964.876094866273/8.0),
+ REAL_CONST(12979.105619383534/8.0),
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+ REAL_CONST(161708.93819021754/8.0),
+ REAL_CONST(161735.67633180099/8.0),
+ REAL_CONST(161762.41557851751/8.0),
+ REAL_CONST(161789.15593027571/8.0),
+ REAL_CONST(161815.89738698432/8.0),
+ REAL_CONST(161842.63994855201/8.0),
+ REAL_CONST(161869.38361488748/8.0),
+ REAL_CONST(161896.1283858995/8.0),
+ REAL_CONST(161922.87426149679/8.0),
+ REAL_CONST(161949.62124158812/8.0),
+ REAL_CONST(161976.36932608229/8.0),
+ REAL_CONST(162003.1185148881/8.0),
+ REAL_CONST(162029.8688079144/8.0),
+ REAL_CONST(162056.62020507001/8.0),
+ REAL_CONST(162083.37270626382/8.0),
+ REAL_CONST(162110.12631140469/8.0),
+ REAL_CONST(162136.88102040152/8.0),
+ REAL_CONST(162163.63683316324/8.0),
+ REAL_CONST(162190.39374959879/8.0),
+ REAL_CONST(162217.15176961714/8.0),
+ REAL_CONST(162243.91089312723/8.0),
+ REAL_CONST(162270.67112003808/8.0),
+ REAL_CONST(162297.43245025873/8.0),
+ REAL_CONST(162324.19488369819/8.0),
+ REAL_CONST(162350.9584202655/8.0),
+ REAL_CONST(162377.72305986975/8.0),
+ REAL_CONST(162404.48880242003/8.0),
+ REAL_CONST(162431.25564782543/8.0),
+ REAL_CONST(162458.02359599507/8.0),
+ REAL_CONST(162484.79264683815/8.0),
+ REAL_CONST(162511.56280026378/8.0),
+ REAL_CONST(162538.33405618116/8.0),
+ REAL_CONST(162565.10641449949/8.0),
+ REAL_CONST(162591.87987512801/8.0),
+ REAL_CONST(162618.65443797593/8.0),
+ REAL_CONST(162645.43010295252/8.0),
+ REAL_CONST(162672.20686996708/8.0),
+ REAL_CONST(162698.98473892888/8.0),
+ REAL_CONST(162725.76370974723/8.0),
+ REAL_CONST(162752.54378233149/8.0),
+ REAL_CONST(162779.32495659095/8.0),
+ REAL_CONST(162806.10723243505/8.0),
+ REAL_CONST(162832.89060977317/8.0),
+ REAL_CONST(162859.67508851466/8.0),
+ REAL_CONST(162886.46066856899/8.0),
+ REAL_CONST(162913.24734984562/8.0),
+ REAL_CONST(162940.03513225398/8.0),
+ REAL_CONST(162966.82401570358/8.0),
+ REAL_CONST(162993.6140001039/8.0),
+ REAL_CONST(163020.40508536444/8.0),
+ REAL_CONST(163047.19727139481/8.0),
+ REAL_CONST(163073.99055810447/8.0),
+ REAL_CONST(163100.78494540305/8.0),
+ REAL_CONST(163127.58043320014/8.0),
+ REAL_CONST(163154.37702140535/8.0),
+ REAL_CONST(163181.17470992831/8.0),
+ REAL_CONST(163207.97349867865/8.0),
+ REAL_CONST(163234.77338756606/8.0),
+ REAL_CONST(163261.57437650024/8.0),
+ REAL_CONST(163288.37646539087/8.0),
+ REAL_CONST(163315.17965414765/8.0),
+ REAL_CONST(163341.98394268038/8.0),
+ REAL_CONST(163368.78933089875/8.0),
+ REAL_CONST(163395.59581871261/8.0),
+ REAL_CONST(163422.40340603172/8.0),
+ REAL_CONST(163449.2120927659/8.0),
+ REAL_CONST(163476.02187882498/8.0),
+ REAL_CONST(163502.83276411882/8.0),
+ REAL_CONST(163529.6447485573/8.0),
+ REAL_CONST(163556.45783205028/8.0),
+ REAL_CONST(163583.2720145077/8.0),
+ REAL_CONST(163610.08729583945/8.0),
+ REAL_CONST(163636.90367595552/8.0),
+ REAL_CONST(163663.72115476584/8.0),
+ REAL_CONST(163690.53973218042/8.0),
+ REAL_CONST(163717.35940810922/8.0),
+ REAL_CONST(163744.18018246227/8.0),
+ REAL_CONST(163771.00205514964/8.0),
+ REAL_CONST(163797.82502608138/8.0),
+ REAL_CONST(163824.64909516752/8.0),
+ REAL_CONST(163851.4742623182/8.0),
+ REAL_CONST(163878.3005274435/8.0),
+ REAL_CONST(163905.12789045356/8.0),
+ REAL_CONST(163931.95635125853/8.0),
+ REAL_CONST(163958.78590976857/8.0),
+ REAL_CONST(163985.61656589387/8.0),
+ REAL_CONST(164012.44831954464/8.0),
+ REAL_CONST(164039.28117063109/8.0),
+ REAL_CONST(164066.11511906344/8.0),
+ REAL_CONST(164092.95016475199/8.0),
+ REAL_CONST(164119.78630760699/8.0),
+ REAL_CONST(164146.62354753874/8.0),
+ REAL_CONST(164173.46188445756/8.0),
+ REAL_CONST(164200.30131827376/8.0),
+ REAL_CONST(164227.14184889771/8.0),
+ REAL_CONST(164253.98347623978/8.0),
+ REAL_CONST(164280.82620021031/8.0),
+ REAL_CONST(164307.67002071979/8.0),
+ REAL_CONST(164334.51493767856/8.0),
+ REAL_CONST(164361.3609509971/8.0),
+ REAL_CONST(164388.20806058586/8.0),
+ REAL_CONST(164415.05626635533/8.0),
+ REAL_CONST(164441.905568216/8.0),
+ REAL_CONST(164468.75596607837/8.0),
+ REAL_CONST(164495.607459853/8.0),
+ REAL_CONST(164522.4600494504/8.0),
+ REAL_CONST(164549.31373478117/8.0),
+ REAL_CONST(164576.16851575591/8.0),
+ REAL_CONST(164603.02439228518/8.0),
+ REAL_CONST(164629.88136427966/8.0),
+ REAL_CONST(164656.73943164994/8.0),
+ REAL_CONST(164683.59859430668/8.0),
+ REAL_CONST(164710.45885216061/8.0),
+ REAL_CONST(164737.32020512238/8.0),
+ REAL_CONST(164764.1826531027/8.0),
+ REAL_CONST(164791.04619601235/8.0),
+ REAL_CONST(164817.91083376206/8.0),
+ REAL_CONST(164844.77656626256/8.0),
+ REAL_CONST(164871.64339342469/8.0),
+ REAL_CONST(164898.51131515924/8.0),
+ REAL_CONST(164925.38033137703/8.0),
+ REAL_CONST(164952.25044198887/8.0),
+ REAL_CONST(164979.1216469057/8.0),
+ REAL_CONST(165005.9939460383/8.0),
+ REAL_CONST(165032.86733929763/8.0),
+ REAL_CONST(165059.7418265946/8.0),
+ REAL_CONST(165086.61740784015/8.0),
+ REAL_CONST(165113.4940829452/8.0)
+#endif
};
#endif
diff --git a/src/libfaad/is.c b/src/libfaad/is.c
index 4b998e1fc..9fcdbcbb5 100644
--- a/src/libfaad/is.c
+++ b/src/libfaad/is.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: is.c,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: is.c,v 1.7 2005/10/29 23:57:06 tmmm Exp $
**/
#include "common.h"
@@ -66,12 +66,14 @@ void is_decode(ic_stream *ics, ic_stream *icsr, real_t *l_spec, real_t *r_spec,
{
if (is_intensity(icsr, g, sfb))
{
+#ifdef MAIN_DEC
/* For scalefactor bands coded in intensity stereo the
corresponding predictors in the right channel are
switched to "off".
*/
ics->pred.prediction_used[sfb] = 0;
icsr->pred.prediction_used[sfb] = 0;
+#endif
#ifndef FIXED_POINT
scale = (real_t)pow(0.5, (0.25*icsr->scale_factors[g][sfb]));
diff --git a/src/libfaad/is.h b/src/libfaad/is.h
index ceaf163cd..0786f7258 100644
--- a/src/libfaad/is.h
+++ b/src/libfaad/is.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: is.h,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: is.h,v 1.7 2005/10/29 23:57:06 tmmm Exp $
**/
#ifndef __IS_H__
diff --git a/src/libfaad/kbd_win.h b/src/libfaad/kbd_win.h
index f25378664..046b6b995 100644
--- a/src/libfaad/kbd_win.h
+++ b/src/libfaad/kbd_win.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: kbd_win.h,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: kbd_win.h,v 1.7 2005/10/29 23:57:06 tmmm Exp $
**/
#ifndef __KBD_WIN_H__
diff --git a/src/libfaad/lt_predict.c b/src/libfaad/lt_predict.c
index 447d8a841..3aab00426 100644
--- a/src/libfaad/lt_predict.c
+++ b/src/libfaad/lt_predict.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: lt_predict.c,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: lt_predict.c,v 1.7 2005/10/29 23:57:07 tmmm Exp $
**/
diff --git a/src/libfaad/lt_predict.h b/src/libfaad/lt_predict.h
index b92f717b4..faa2fbca7 100644
--- a/src/libfaad/lt_predict.h
+++ b/src/libfaad/lt_predict.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: lt_predict.h,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: lt_predict.h,v 1.7 2005/10/29 23:57:07 tmmm Exp $
**/
#ifdef LTP_DEC
diff --git a/src/libfaad/mdct.c b/src/libfaad/mdct.c
index f2564f16a..cd873a6f9 100644
--- a/src/libfaad/mdct.c
+++ b/src/libfaad/mdct.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: mdct.c,v 1.10 2004/12/03 01:15:30 tmattern Exp $
+** $Id: mdct.c,v 1.11 2005/10/29 23:57:07 tmmm Exp $
**/
/*
@@ -53,139 +53,40 @@
#include "cfft.h"
#include "mdct.h"
+#include "mdct_tab.h"
-/* const_tab[]:
- 0: sqrt(2 / N)
- 1: cos(2 * PI / N)
- 2: sin(2 * PI / N)
- 3: cos(2 * PI * (1/8) / N)
- 4: sin(2 * PI * (1/8) / N)
- */
-#ifdef FIXED_POINT
-real_t const_tab[][5] =
-{
- { /* 2048 */
- COEF_CONST(1),
- FRAC_CONST(0.99999529380957619),
- FRAC_CONST(0.0030679567629659761),
- FRAC_CONST(0.99999992646571789),
- FRAC_CONST(0.00038349518757139556)
- }, { /* 1920 */
- COEF_CONST(/* sqrt(1024/960) */ 1.0327955589886444),
- FRAC_CONST(0.99999464540169647),
- FRAC_CONST(0.0032724865065266251),
- FRAC_CONST(0.99999991633432805),
- FRAC_CONST(0.00040906153202803459)
- }, { /* 1024 */
- COEF_CONST(1),
- FRAC_CONST(0.99998117528260111),
- FRAC_CONST(0.0061358846491544753),
- FRAC_CONST(0.99999970586288223),
- FRAC_CONST(0.00076699031874270449)
- }, { /* 960 */
- COEF_CONST(/* sqrt(512/480) */ 1.0327955589886444),
- FRAC_CONST(0.99997858166412923),
- FRAC_CONST(0.0065449379673518581),
- FRAC_CONST(0.99999966533732598),
- FRAC_CONST(0.00081812299560725323)
- }, { /* 256 */
- COEF_CONST(1),
- FRAC_CONST(0.99969881869620425),
- FRAC_CONST(0.024541228522912288),
- FRAC_CONST(0.99999529380957619),
- FRAC_CONST(0.0030679567629659761)
- }, { /* 240 */
- COEF_CONST(/* sqrt(256/240) */ 1.0327955589886444),
- FRAC_CONST(0.99965732497555726),
- FRAC_CONST(0.026176948307873149),
- FRAC_CONST(0.99999464540169647),
- FRAC_CONST(0.0032724865065266251)
- }
-#ifdef SSR_DEC
- ,{ /* 512 */
- COEF_CONST(1),
- FRAC_CONST(0.9999247018391445),
- FRAC_CONST(0.012271538285719925),
- FRAC_CONST(0.99999882345170188),
- FRAC_CONST(0.0015339801862847655)
- }, { /* 64 */
- COEF_CONST(1),
- FRAC_CONST(0.99518472667219693),
- FRAC_CONST(0.098017140329560604),
- FRAC_CONST(0.9999247018391445),
- FRAC_CONST(0.012271538285719925)
- }
-#endif
-};
-#endif
-
-#ifdef FIXED_POINT
-static uint8_t map_N_to_idx(uint16_t N)
-{
- /* gives an index into const_tab above */
- /* for normal AAC deocding (eg. no scalable profile) only */
- /* index 0 and 4 will be used */
- switch(N)
- {
- case 2048: return 0;
- case 1920: return 1;
- case 1024: return 2;
- case 960: return 3;
- case 256: return 4;
- case 240: return 5;
-#ifdef SSR_DEC
- case 512: return 6;
- case 64: return 7;
-#endif
- }
- return 0;
-}
-#endif
mdct_info *faad_mdct_init(uint16_t N)
{
- uint16_t k;
-#ifdef FIXED_POINT
- uint16_t N_idx;
- real_t cangle, sangle, c, s, cold;
-#endif
- real_t scale;
-
mdct_info *mdct = (mdct_info*)faad_malloc(sizeof(mdct_info));
assert(N % 8 == 0);
mdct->N = N;
- mdct->sincos = (complex_t*)faad_malloc(N/4*sizeof(complex_t));
-
-#ifdef FIXED_POINT
- N_idx = map_N_to_idx(N);
- scale = const_tab[N_idx][0];
- cangle = const_tab[N_idx][1];
- sangle = const_tab[N_idx][2];
- c = const_tab[N_idx][3];
- s = const_tab[N_idx][4];
-#else
- scale = (real_t)sqrt(2.0 / (real_t)N);
-#endif
+ /* NOTE: For "small framelengths" in FIXED_POINT the coefficients need to be
+ * scaled by sqrt("(nearest power of 2) > N" / N) */
- /* (co)sine table build using recurrence relations */
- /* this can also be done using static table lookup or */
- /* some form of interpolation */
- for (k = 0; k < N/4; k++)
+ /* RE(mdct->sincos[k]) = scale*(real_t)(cos(2.0*M_PI*(k+1./8.) / (real_t)N));
+ * IM(mdct->sincos[k]) = scale*(real_t)(sin(2.0*M_PI*(k+1./8.) / (real_t)N)); */
+ /* scale is 1 for fixed point, sqrt(N) for floating point */
+ switch (N)
{
-#ifdef FIXED_POINT
- RE(mdct->sincos[k]) = c; //MUL_C_C(c,scale);
- IM(mdct->sincos[k]) = s; //MUL_C_C(s,scale);
-
- cold = c;
- c = MUL_F(c,cangle) - MUL_F(s,sangle);
- s = MUL_F(s,cangle) + MUL_F(cold,sangle);
-#else
- /* no recurrence, just sines */
- RE(mdct->sincos[k]) = scale*(real_t)(cos(2.0*M_PI*(k+1./8.) / (real_t)N));
- IM(mdct->sincos[k]) = scale*(real_t)(sin(2.0*M_PI*(k+1./8.) / (real_t)N));
+ case 2048: mdct->sincos = (complex_t*)mdct_tab_2048; break;
+ case 256: mdct->sincos = (complex_t*)mdct_tab_256; break;
+#ifdef LD_DEC
+ case 1024: mdct->sincos = (complex_t*)mdct_tab_1024; break;
+#endif
+#ifdef ALLOW_SMALL_FRAMELENGTH
+ case 1920: mdct->sincos = (complex_t*)mdct_tab_1920; break;
+ case 240: mdct->sincos = (complex_t*)mdct_tab_240; break;
+#ifdef LD_DEC
+ case 960: mdct->sincos = (complex_t*)mdct_tab_960; break;
+#endif
+#endif
+#ifdef SSR_DEC
+ case 512: mdct->sincos = (complex_t*)mdct_tab_512; break;
+ case 64: mdct->sincos = (complex_t*)mdct_tab_64; break;
#endif
}
@@ -211,8 +112,6 @@ void faad_mdct_end(mdct_info *mdct)
cfftu(mdct->cfft);
- if (mdct->sincos) faad_free(mdct->sincos);
-
faad_free(mdct);
}
}
@@ -222,6 +121,11 @@ void faad_imdct(mdct_info *mdct, real_t *X_in, real_t *X_out)
uint16_t k;
complex_t x;
+#ifdef ALLOW_SMALL_FRAMELENGTH
+#ifdef FIXED_POINT
+ real_t scale, b_scale = 0;
+#endif
+#endif
ALIGN complex_t Z1[512];
complex_t *sincos = mdct->sincos;
@@ -234,6 +138,19 @@ void faad_imdct(mdct_info *mdct, real_t *X_in, real_t *X_out)
int64_t count1, count2 = faad_get_ts();
#endif
+#ifdef ALLOW_SMALL_FRAMELENGTH
+#ifdef FIXED_POINT
+ /* detect non-power of 2 */
+ if (N & (N-1))
+ {
+ /* adjust scale for non-power of 2 MDCT */
+ /* 2048/1920 */
+ b_scale = 1;
+ scale = COEF_CONST(1.0666666666666667);
+ }
+#endif
+#endif
+
/* pre-IFFT complex multiplication */
for (k = 0; k < N4; k++)
{
@@ -259,6 +176,17 @@ void faad_imdct(mdct_info *mdct, real_t *X_in, real_t *X_out)
IM(x) = IM(Z1[k]);
ComplexMult(&IM(Z1[k]), &RE(Z1[k]),
IM(x), RE(x), RE(sincos[k]), IM(sincos[k]));
+
+#ifdef ALLOW_SMALL_FRAMELENGTH
+#ifdef FIXED_POINT
+ /* non-power of 2 MDCT scaling */
+ if (b_scale)
+ {
+ RE(Z1[k]) = MUL_C(RE(Z1[k]), scale);
+ IM(Z1[k]) = MUL_C(IM(Z1[k]), scale);
+ }
+#endif
+#endif
}
/* reordering */
@@ -296,166 +224,6 @@ void faad_imdct(mdct_info *mdct, real_t *X_in, real_t *X_out)
#endif
}
-#ifdef USE_SSE
-void faad_imdct_sse(mdct_info *mdct, real_t *X_in, real_t *X_out)
-{
- uint16_t k;
-
- ALIGN complex_t Z1[512];
- complex_t *sincos = mdct->sincos;
-
- uint16_t N = mdct->N;
- uint16_t N2 = N >> 1;
- uint16_t N4 = N >> 2;
- uint16_t N8 = N >> 3;
-
-#ifdef PROFILE
- int64_t count1, count2 = faad_get_ts();
-#endif
-
- /* pre-IFFT complex multiplication */
- for (k = 0; k < N4; k+=4)
- {
- __m128 m12, m13, m14, m0, m1, m2, m3, m4, m5, m6, m7, m8, m9, m10, m11;
- __m128 n12, n13, n14, n0, n1, n2, n3, n4, n5, n6, n7, n8, n9, n10, n11;
- n12 = _mm_load_ps(&X_in[N2 - 2*k - 8]);
- m12 = _mm_load_ps(&X_in[N2 - 2*k - 4]);
- m13 = _mm_load_ps(&X_in[2*k]);
- n13 = _mm_load_ps(&X_in[2*k + 4]);
- m1 = _mm_load_ps(&RE(sincos[k]));
- n1 = _mm_load_ps(&RE(sincos[k+2]));
-
- m0 = _mm_shuffle_ps(m12, m13, _MM_SHUFFLE(2,0,1,3));
- m2 = _mm_shuffle_ps(m1, m1, _MM_SHUFFLE(2,3,0,1));
- m14 = _mm_shuffle_ps(m0, m0, _MM_SHUFFLE(3,1,2,0));
- n0 = _mm_shuffle_ps(n12, n13, _MM_SHUFFLE(2,0,1,3));
- n2 = _mm_shuffle_ps(n1, n1, _MM_SHUFFLE(2,3,0,1));
- n14 = _mm_shuffle_ps(n0, n0, _MM_SHUFFLE(3,1,2,0));
-
- m3 = _mm_mul_ps(m14, m1);
- n3 = _mm_mul_ps(n14, n1);
- m4 = _mm_mul_ps(m14, m2);
- n4 = _mm_mul_ps(n14, n2);
-
- m5 = _mm_shuffle_ps(m3, m4, _MM_SHUFFLE(2,0,2,0));
- n5 = _mm_shuffle_ps(n3, n4, _MM_SHUFFLE(2,0,2,0));
- m6 = _mm_shuffle_ps(m3, m4, _MM_SHUFFLE(3,1,3,1));
- n6 = _mm_shuffle_ps(n3, n4, _MM_SHUFFLE(3,1,3,1));
-
- m7 = _mm_add_ps(m5, m6);
- n7 = _mm_add_ps(n5, n6);
- m8 = _mm_sub_ps(m5, m6);
- n8 = _mm_sub_ps(n5, n6);
-
- m9 = _mm_shuffle_ps(m7, m7, _MM_SHUFFLE(3,2,3,2));
- n9 = _mm_shuffle_ps(n7, n7, _MM_SHUFFLE(3,2,3,2));
- m10 = _mm_shuffle_ps(m8, m8, _MM_SHUFFLE(1,0,1,0));
- n10 = _mm_shuffle_ps(n8, n8, _MM_SHUFFLE(1,0,1,0));
-
- m11 = _mm_unpacklo_ps(m10, m9);
- n11 = _mm_unpacklo_ps(n10, n9);
-
- _mm_store_ps(&RE(Z1[k]), m11);
- _mm_store_ps(&RE(Z1[k+2]), n11);
- }
-
-#ifdef PROFILE
- count1 = faad_get_ts();
-#endif
-
- /* complex IFFT, any non-scaling FFT can be used here */
- cfftb_sse(mdct->cfft, Z1);
-
-#ifdef PROFILE
- count1 = faad_get_ts() - count1;
-#endif
-
- /* post-IFFT complex multiplication */
- for (k = 0; k < N4; k+=4)
- {
- __m128 m0, m1, m2, m3, m4, m5, m6, m7, m8, m9, m10, m11;
- __m128 n0, n1, n2, n3, n4, n5, n6, n7, n8, n9, n10, n11;
- m0 = _mm_load_ps(&RE(Z1[k]));
- n0 = _mm_load_ps(&RE(Z1[k+2]));
- m1 = _mm_load_ps(&RE(sincos[k]));
- n1 = _mm_load_ps(&RE(sincos[k+2]));
-
- m2 = _mm_shuffle_ps(m1, m1, _MM_SHUFFLE(2,3,0,1));
- n2 = _mm_shuffle_ps(n1, n1, _MM_SHUFFLE(2,3,0,1));
-
- m3 = _mm_mul_ps(m0, m1);
- n3 = _mm_mul_ps(n0, n1);
- m4 = _mm_mul_ps(m0, m2);
- n4 = _mm_mul_ps(n0, n2);
-
- m5 = _mm_shuffle_ps(m3, m4, _MM_SHUFFLE(2,0,2,0));
- n5 = _mm_shuffle_ps(n3, n4, _MM_SHUFFLE(2,0,2,0));
- m6 = _mm_shuffle_ps(m3, m4, _MM_SHUFFLE(3,1,3,1));
- n6 = _mm_shuffle_ps(n3, n4, _MM_SHUFFLE(3,1,3,1));
-
- m7 = _mm_add_ps(m5, m6);
- n7 = _mm_add_ps(n5, n6);
- m8 = _mm_sub_ps(m5, m6);
- n8 = _mm_sub_ps(n5, n6);
-
- m9 = _mm_shuffle_ps(m7, m7, _MM_SHUFFLE(3,2,3,2));
- n9 = _mm_shuffle_ps(n7, n7, _MM_SHUFFLE(3,2,3,2));
- m10 = _mm_shuffle_ps(m8, m8, _MM_SHUFFLE(1,0,1,0));
- n10 = _mm_shuffle_ps(n8, n8, _MM_SHUFFLE(1,0,1,0));
-
- m11 = _mm_unpacklo_ps(m10, m9);
- n11 = _mm_unpacklo_ps(n10, n9);
-
- _mm_store_ps(&RE(Z1[k]), m11);
- _mm_store_ps(&RE(Z1[k+2]), n11);
- }
-
- /* reordering */
- for (k = 0; k < N8; k+=2)
- {
- __m128 m0, m1, m2, m3, m4, m5, m6, m7, m8, m9, m10, m11, m13;
- __m128 n4, n5, n6, n7, n8, n9;
- __m128 neg1 = _mm_set_ps(-1.0, 1.0, -1.0, 1.0);
- __m128 neg2 = _mm_set_ps(-1.0, -1.0, -1.0, -1.0);
-
- m0 = _mm_load_ps(&RE(Z1[k]));
- m1 = _mm_load_ps(&RE(Z1[N8 - 2 - k]));
- m2 = _mm_load_ps(&RE(Z1[N8 + k]));
- m3 = _mm_load_ps(&RE(Z1[N4 - 2 - k]));
-
- m10 = _mm_mul_ps(m0, neg1);
- m11 = _mm_mul_ps(m1, neg2);
- m13 = _mm_mul_ps(m3, neg1);
-
- m5 = _mm_shuffle_ps(m2, m2, _MM_SHUFFLE(3,1,2,0));
- n4 = _mm_shuffle_ps(m10, m10, _MM_SHUFFLE(3,1,2,0));
- m4 = _mm_shuffle_ps(m11, m11, _MM_SHUFFLE(3,1,2,0));
- n5 = _mm_shuffle_ps(m13, m13, _MM_SHUFFLE(3,1,2,0));
-
- m6 = _mm_shuffle_ps(m4, m5, _MM_SHUFFLE(3,2,1,0));
- n6 = _mm_shuffle_ps(n4, n5, _MM_SHUFFLE(3,2,1,0));
- m7 = _mm_shuffle_ps(m5, m4, _MM_SHUFFLE(3,2,1,0));
- n7 = _mm_shuffle_ps(n5, n4, _MM_SHUFFLE(3,2,1,0));
-
- m8 = _mm_shuffle_ps(m6, m6, _MM_SHUFFLE(0,3,1,2));
- n8 = _mm_shuffle_ps(n6, n6, _MM_SHUFFLE(2,1,3,0));
- m9 = _mm_shuffle_ps(m7, m7, _MM_SHUFFLE(2,1,3,0));
- n9 = _mm_shuffle_ps(n7, n7, _MM_SHUFFLE(0,3,1,2));
-
- _mm_store_ps(&X_out[2*k], m8);
- _mm_store_ps(&X_out[N4 + 2*k], n8);
- _mm_store_ps(&X_out[N2 + 2*k], m9);
- _mm_store_ps(&X_out[N2 + N4 + 2*k], n9);
- }
-
-#ifdef PROFILE
- count2 = faad_get_ts() - count2;
- mdct->fft_cycles += count1;
- mdct->cycles += (count2 - count1);
-#endif
-}
-#endif
-
#ifdef LTP_DEC
void faad_mdct(mdct_info *mdct, real_t *X_in, real_t *X_out)
{
@@ -476,6 +244,18 @@ void faad_mdct(mdct_info *mdct, real_t *X_in, real_t *X_out)
real_t scale = REAL_CONST(4.0/N);
#endif
+#ifdef ALLOW_SMALL_FRAMELENGTH
+#ifdef FIXED_POINT
+ /* detect non-power of 2 */
+ if (N & (N-1))
+ {
+ /* adjust scale for non-power of 2 MDCT */
+ /* *= sqrt(2048/1920) */
+ scale = MUL_C(scale, COEF_CONST(1.0327955589886444));
+ }
+#endif
+#endif
+
/* pre-FFT complex multiplication */
for (k = 0; k < N8; k++)
{
diff --git a/src/libfaad/mdct.h b/src/libfaad/mdct.h
index 4a42f2344..c2b738795 100644
--- a/src/libfaad/mdct.h
+++ b/src/libfaad/mdct.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: mdct.h,v 1.7 2004/12/03 01:15:30 tmattern Exp $
+** $Id: mdct.h,v 1.8 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __MDCT_H__
@@ -36,9 +36,6 @@ extern "C" {
mdct_info *faad_mdct_init(uint16_t N);
void faad_mdct_end(mdct_info *mdct);
void faad_imdct(mdct_info *mdct, real_t *X_in, real_t *X_out);
-#ifdef USE_SSE
-void faad_imdct_sse(mdct_info *mdct, real_t *X_in, real_t *X_out);
-#endif
void faad_mdct(mdct_info *mdct, real_t *X_in, real_t *X_out);
diff --git a/src/libfaad/mp4.c b/src/libfaad/mp4.c
index 230dd6b65..651280805 100644
--- a/src/libfaad/mp4.c
+++ b/src/libfaad/mp4.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: mp4.c,v 1.8 2004/12/03 01:15:30 tmattern Exp $
+** $Id: mp4.c,v 1.9 2005/10/29 23:57:07 tmmm Exp $
**/
#include "common.h"
@@ -119,17 +119,17 @@ static uint8_t ObjectTypesTable[32] = {
};
/* Table 1.6.1 */
-int8_t FAADAPI AudioSpecificConfig(uint8_t *pBuffer,
- uint32_t buffer_size,
- mp4AudioSpecificConfig *mp4ASC)
+int8_t NEAACDECAPI NeAACDecAudioSpecificConfig(uint8_t *pBuffer,
+ uint32_t buffer_size,
+ mp4AudioSpecificConfig *mp4ASC)
{
return AudioSpecificConfig2(pBuffer, buffer_size, mp4ASC, NULL);
}
-int8_t FAADAPI AudioSpecificConfig2(uint8_t *pBuffer,
- uint32_t buffer_size,
- mp4AudioSpecificConfig *mp4ASC,
- program_config *pce)
+int8_t AudioSpecificConfig2(uint8_t *pBuffer,
+ uint32_t buffer_size,
+ mp4AudioSpecificConfig *mp4ASC,
+ program_config *pce)
{
bitfile ld;
int8_t result = 0;
@@ -176,13 +176,28 @@ int8_t FAADAPI AudioSpecificConfig2(uint8_t *pBuffer,
return -3;
}
+#if (defined(PS_DEC) || defined(DRM_PS))
+ /* check if we have a mono file */
+ if (mp4ASC->channelsConfiguration == 1)
+ {
+ /* upMatrix to 2 channels for implicit signalling of PS */
+ mp4ASC->channelsConfiguration = 2;
+ }
+#endif
+
#ifdef SBR_DEC
mp4ASC->sbr_present_flag = -1;
if (mp4ASC->objectTypeIndex == 5)
{
+ uint8_t tmp;
+
mp4ASC->sbr_present_flag = 1;
- mp4ASC->samplingFrequencyIndex = (uint8_t)faad_getbits(&ld, 4
+ tmp = (uint8_t)faad_getbits(&ld, 4
DEBUGVAR(1,5,"parse_audio_decoder_specific_info(): extensionSamplingFrequencyIndex"));
+ /* check for downsampled SBR */
+ if (tmp == mp4ASC->samplingFrequencyIndex)
+ mp4ASC->downSampledSBR = 1;
+ mp4ASC->samplingFrequencyIndex = tmp;
if (mp4ASC->samplingFrequencyIndex == 15)
{
mp4ASC->samplingFrequency = (uint32_t)faad_getbits(&ld, 24
@@ -243,8 +258,15 @@ int8_t FAADAPI AudioSpecificConfig2(uint8_t *pBuffer,
if (mp4ASC->sbr_present_flag)
{
- mp4ASC->samplingFrequencyIndex = (uint8_t)faad_getbits(&ld, 4
+ uint8_t tmp;
+ tmp = (uint8_t)faad_getbits(&ld, 4
DEBUGVAR(1,12,"parse_audio_decoder_specific_info(): extensionSamplingFrequencyIndex"));
+
+ /* check for downsampled SBR */
+ if (tmp == mp4ASC->samplingFrequencyIndex)
+ mp4ASC->downSampledSBR = 1;
+ mp4ASC->samplingFrequencyIndex = tmp;
+
if (mp4ASC->samplingFrequencyIndex == 15)
{
mp4ASC->samplingFrequency = (uint32_t)faad_getbits(&ld, 24
@@ -265,6 +287,8 @@ int8_t FAADAPI AudioSpecificConfig2(uint8_t *pBuffer,
{
mp4ASC->samplingFrequency *= 2;
mp4ASC->forceUpSampling = 1;
+ } else /* > 24000*/ {
+ mp4ASC->downSampledSBR = 1;
}
}
#endif
diff --git a/src/libfaad/mp4.h b/src/libfaad/mp4.h
index 2cbf4723f..478c9b9be 100644
--- a/src/libfaad/mp4.h
+++ b/src/libfaad/mp4.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: mp4.h,v 1.7 2004/12/03 01:15:30 tmattern Exp $
+** $Id: mp4.h,v 1.8 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __MP4_H__
@@ -34,14 +34,14 @@ extern "C" {
#include "decoder.h"
-int8_t FAADAPI AudioSpecificConfig(uint8_t *pBuffer,
- uint32_t buffer_size,
- mp4AudioSpecificConfig *mp4ASC);
+int8_t NEAACDECAPI NeAACDecAudioSpecificConfig(uint8_t *pBuffer,
+ uint32_t buffer_size,
+ mp4AudioSpecificConfig *mp4ASC);
-int8_t FAADAPI AudioSpecificConfig2(uint8_t *pBuffer,
- uint32_t buffer_size,
- mp4AudioSpecificConfig *mp4ASC,
- program_config *pce);
+int8_t AudioSpecificConfig2(uint8_t *pBuffer,
+ uint32_t buffer_size,
+ mp4AudioSpecificConfig *mp4ASC,
+ program_config *pce);
#ifdef __cplusplus
}
diff --git a/src/libfaad/ms.c b/src/libfaad/ms.c
index c2a532899..93b0a2051 100644
--- a/src/libfaad/ms.c
+++ b/src/libfaad/ms.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: ms.c,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: ms.c,v 1.7 2005/10/29 23:57:07 tmmm Exp $
**/
#include "common.h"
diff --git a/src/libfaad/ms.h b/src/libfaad/ms.h
index a6cf295ab..4bc7c8175 100644
--- a/src/libfaad/ms.h
+++ b/src/libfaad/ms.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: ms.h,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: ms.h,v 1.7 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __MS_H__
diff --git a/src/libfaad/output.c b/src/libfaad/output.c
index 5b370c4bd..8a005c87e 100644
--- a/src/libfaad/output.c
+++ b/src/libfaad/output.c
@@ -1,19 +1,19 @@
/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
** Copyright (C) 2003 M. Bakker, Ahead Software AG, http://www.nero.com
-**
+**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
-**
+**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
-**
+**
** You should have received a copy of the GNU General Public License
-** along with this program; if not, write to the Free Software
+** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
** Any non-GPL usage of this software or parts of this software is strictly
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: output.c,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: output.c,v 1.7 2005/10/29 23:57:07 tmmm Exp $
**/
#include "common.h"
@@ -84,7 +84,7 @@ if (sample >= 0.0f) \
#define CONV(a,b) ((a<<1)|(b&0x1))
-static void to_PCM_16bit(faacDecHandle hDecoder, real_t **input,
+static void to_PCM_16bit(NeAACDecHandle hDecoder, real_t **input,
uint8_t channels, uint16_t frame_len,
int16_t **sample_buffer)
{
@@ -105,18 +105,32 @@ static void to_PCM_16bit(faacDecHandle hDecoder, real_t **input,
}
break;
case CONV(2,0):
- ch = hDecoder->internal_channel[0];
- ch1 = hDecoder->internal_channel[1];
- for(i = 0; i < frame_len; i++)
+ if (hDecoder->upMatrix)
{
- real_t inp0 = input[ch ][i];
- real_t inp1 = input[ch1][i];
+ ch = hDecoder->internal_channel[0];
+ for(i = 0; i < frame_len; i++)
+ {
+ real_t inp0 = input[ch][i];
- CLIP(inp0, 32767.0f, -32768.0f);
- CLIP(inp1, 32767.0f, -32768.0f);
+ CLIP(inp0, 32767.0f, -32768.0f);
- (*sample_buffer)[(i*2)+0] = (int16_t)lrintf(inp0);
- (*sample_buffer)[(i*2)+1] = (int16_t)lrintf(inp1);
+ (*sample_buffer)[(i*2)+0] = (int16_t)lrintf(inp0);
+ (*sample_buffer)[(i*2)+1] = (int16_t)lrintf(inp0);
+ }
+ } else {
+ ch = hDecoder->internal_channel[0];
+ ch1 = hDecoder->internal_channel[1];
+ for(i = 0; i < frame_len; i++)
+ {
+ real_t inp0 = input[ch ][i];
+ real_t inp1 = input[ch1][i];
+
+ CLIP(inp0, 32767.0f, -32768.0f);
+ CLIP(inp1, 32767.0f, -32768.0f);
+
+ (*sample_buffer)[(i*2)+0] = (int16_t)lrintf(inp0);
+ (*sample_buffer)[(i*2)+1] = (int16_t)lrintf(inp1);
+ }
}
break;
default:
@@ -135,7 +149,7 @@ static void to_PCM_16bit(faacDecHandle hDecoder, real_t **input,
}
}
-static void to_PCM_24bit(faacDecHandle hDecoder, real_t **input,
+static void to_PCM_24bit(NeAACDecHandle hDecoder, real_t **input,
uint8_t channels, uint16_t frame_len,
int32_t **sample_buffer)
{
@@ -157,20 +171,35 @@ static void to_PCM_24bit(faacDecHandle hDecoder, real_t **input,
}
break;
case CONV(2,0):
- ch = hDecoder->internal_channel[0];
- ch1 = hDecoder->internal_channel[1];
- for(i = 0; i < frame_len; i++)
+ if (hDecoder->upMatrix)
{
- real_t inp0 = input[ch ][i];
- real_t inp1 = input[ch1][i];
+ ch = hDecoder->internal_channel[0];
+ for(i = 0; i < frame_len; i++)
+ {
+ real_t inp0 = input[ch][i];
+
+ inp0 *= 256.0f;
+ CLIP(inp0, 8388607.0f, -8388608.0f);
+
+ (*sample_buffer)[(i*2)+0] = (int32_t)lrintf(inp0);
+ (*sample_buffer)[(i*2)+1] = (int32_t)lrintf(inp0);
+ }
+ } else {
+ ch = hDecoder->internal_channel[0];
+ ch1 = hDecoder->internal_channel[1];
+ for(i = 0; i < frame_len; i++)
+ {
+ real_t inp0 = input[ch ][i];
+ real_t inp1 = input[ch1][i];
- inp0 *= 256.0f;
- inp1 *= 256.0f;
- CLIP(inp0, 8388607.0f, -8388608.0f);
- CLIP(inp1, 8388607.0f, -8388608.0f);
+ inp0 *= 256.0f;
+ inp1 *= 256.0f;
+ CLIP(inp0, 8388607.0f, -8388608.0f);
+ CLIP(inp1, 8388607.0f, -8388608.0f);
- (*sample_buffer)[(i*2)+0] = (int32_t)lrintf(inp0);
- (*sample_buffer)[(i*2)+1] = (int32_t)lrintf(inp1);
+ (*sample_buffer)[(i*2)+0] = (int32_t)lrintf(inp0);
+ (*sample_buffer)[(i*2)+1] = (int32_t)lrintf(inp1);
+ }
}
break;
default:
@@ -190,7 +219,7 @@ static void to_PCM_24bit(faacDecHandle hDecoder, real_t **input,
}
}
-static void to_PCM_32bit(faacDecHandle hDecoder, real_t **input,
+static void to_PCM_32bit(NeAACDecHandle hDecoder, real_t **input,
uint8_t channels, uint16_t frame_len,
int32_t **sample_buffer)
{
@@ -212,20 +241,35 @@ static void to_PCM_32bit(faacDecHandle hDecoder, real_t **input,
}
break;
case CONV(2,0):
- ch = hDecoder->internal_channel[0];
- ch1 = hDecoder->internal_channel[1];
- for(i = 0; i < frame_len; i++)
+ if (hDecoder->upMatrix)
{
- real_t inp0 = input[ch ][i];
- real_t inp1 = input[ch1][i];
+ ch = hDecoder->internal_channel[0];
+ for(i = 0; i < frame_len; i++)
+ {
+ real_t inp0 = input[ch][i];
- inp0 *= 65536.0f;
- inp1 *= 65536.0f;
- CLIP(inp0, 2147483647.0f, -2147483648.0f);
- CLIP(inp1, 2147483647.0f, -2147483648.0f);
+ inp0 *= 65536.0f;
+ CLIP(inp0, 2147483647.0f, -2147483648.0f);
- (*sample_buffer)[(i*2)+0] = (int32_t)lrintf(inp0);
- (*sample_buffer)[(i*2)+1] = (int32_t)lrintf(inp1);
+ (*sample_buffer)[(i*2)+0] = (int32_t)lrintf(inp0);
+ (*sample_buffer)[(i*2)+1] = (int32_t)lrintf(inp0);
+ }
+ } else {
+ ch = hDecoder->internal_channel[0];
+ ch1 = hDecoder->internal_channel[1];
+ for(i = 0; i < frame_len; i++)
+ {
+ real_t inp0 = input[ch ][i];
+ real_t inp1 = input[ch1][i];
+
+ inp0 *= 65536.0f;
+ inp1 *= 65536.0f;
+ CLIP(inp0, 2147483647.0f, -2147483648.0f);
+ CLIP(inp1, 2147483647.0f, -2147483648.0f);
+
+ (*sample_buffer)[(i*2)+0] = (int32_t)lrintf(inp0);
+ (*sample_buffer)[(i*2)+1] = (int32_t)lrintf(inp1);
+ }
}
break;
default:
@@ -245,7 +289,7 @@ static void to_PCM_32bit(faacDecHandle hDecoder, real_t **input,
}
}
-static void to_PCM_float(faacDecHandle hDecoder, real_t **input,
+static void to_PCM_float(NeAACDecHandle hDecoder, real_t **input,
uint8_t channels, uint16_t frame_len,
float32_t **sample_buffer)
{
@@ -263,14 +307,25 @@ static void to_PCM_float(faacDecHandle hDecoder, real_t **input,
}
break;
case CONV(2,0):
- ch = hDecoder->internal_channel[0];
- ch1 = hDecoder->internal_channel[1];
- for(i = 0; i < frame_len; i++)
+ if (hDecoder->upMatrix)
{
- real_t inp0 = input[ch ][i];
- real_t inp1 = input[ch1][i];
- (*sample_buffer)[(i*2)+0] = inp0*FLOAT_SCALE;
- (*sample_buffer)[(i*2)+1] = inp1*FLOAT_SCALE;
+ ch = hDecoder->internal_channel[0];
+ for(i = 0; i < frame_len; i++)
+ {
+ real_t inp0 = input[ch][i];
+ (*sample_buffer)[(i*2)+0] = inp0*FLOAT_SCALE;
+ (*sample_buffer)[(i*2)+1] = inp0*FLOAT_SCALE;
+ }
+ } else {
+ ch = hDecoder->internal_channel[0];
+ ch1 = hDecoder->internal_channel[1];
+ for(i = 0; i < frame_len; i++)
+ {
+ real_t inp0 = input[ch ][i];
+ real_t inp1 = input[ch1][i];
+ (*sample_buffer)[(i*2)+0] = inp0*FLOAT_SCALE;
+ (*sample_buffer)[(i*2)+1] = inp1*FLOAT_SCALE;
+ }
}
break;
default:
@@ -286,7 +341,7 @@ static void to_PCM_float(faacDecHandle hDecoder, real_t **input,
}
}
-static void to_PCM_double(faacDecHandle hDecoder, real_t **input,
+static void to_PCM_double(NeAACDecHandle hDecoder, real_t **input,
uint8_t channels, uint16_t frame_len,
double **sample_buffer)
{
@@ -304,14 +359,25 @@ static void to_PCM_double(faacDecHandle hDecoder, real_t **input,
}
break;
case CONV(2,0):
- ch = hDecoder->internal_channel[0];
- ch1 = hDecoder->internal_channel[1];
- for(i = 0; i < frame_len; i++)
+ if (hDecoder->upMatrix)
{
- real_t inp0 = input[ch ][i];
- real_t inp1 = input[ch1][i];
- (*sample_buffer)[(i*2)+0] = (double)inp0*FLOAT_SCALE;
- (*sample_buffer)[(i*2)+1] = (double)inp1*FLOAT_SCALE;
+ ch = hDecoder->internal_channel[0];
+ for(i = 0; i < frame_len; i++)
+ {
+ real_t inp0 = input[ch][i];
+ (*sample_buffer)[(i*2)+0] = (double)inp0*FLOAT_SCALE;
+ (*sample_buffer)[(i*2)+1] = (double)inp0*FLOAT_SCALE;
+ }
+ } else {
+ ch = hDecoder->internal_channel[0];
+ ch1 = hDecoder->internal_channel[1];
+ for(i = 0; i < frame_len; i++)
+ {
+ real_t inp0 = input[ch ][i];
+ real_t inp1 = input[ch1][i];
+ (*sample_buffer)[(i*2)+0] = (double)inp0*FLOAT_SCALE;
+ (*sample_buffer)[(i*2)+1] = (double)inp1*FLOAT_SCALE;
+ }
}
break;
default:
@@ -327,7 +393,7 @@ static void to_PCM_double(faacDecHandle hDecoder, real_t **input,
}
}
-void *output_to_PCM(faacDecHandle hDecoder,
+void *output_to_PCM(NeAACDecHandle hDecoder,
real_t **input, void *sample_buffer, uint8_t channels,
uint16_t frame_len, uint8_t format)
{
@@ -374,8 +440,12 @@ void *output_to_PCM(faacDecHandle hDecoder,
#define RSQRT2 FRAC_CONST(0.7071067811865475244) // 1/sqrt(2)
static INLINE real_t get_sample(real_t **input, uint8_t channel, uint16_t sample,
- uint8_t down_matrix, uint8_t *internal_channel)
+ uint8_t down_matrix, uint8_t up_matrix,
+ uint8_t *internal_channel)
{
+ if (up_matrix == 1)
+ return input[internal_channel[0]][sample];
+
if (!down_matrix)
return input[internal_channel[channel]][sample];
@@ -393,7 +463,7 @@ static INLINE real_t get_sample(real_t **input, uint8_t channel, uint16_t sample
}
}
-void* output_to_PCM(faacDecHandle hDecoder,
+void* output_to_PCM(NeAACDecHandle hDecoder,
real_t **input, void *sample_buffer, uint8_t channels,
uint16_t frame_len, uint8_t format)
{
@@ -410,8 +480,8 @@ void* output_to_PCM(faacDecHandle hDecoder,
case FAAD_FMT_16BIT:
for(i = 0; i < frame_len; i++)
{
- //int32_t tmp = input[ch][i];
- int32_t tmp = get_sample(input, ch, i, hDecoder->downMatrix, hDecoder->internal_channel);
+ int32_t tmp = get_sample(input, ch, i, hDecoder->downMatrix, hDecoder->upMatrix,
+ hDecoder->internal_channel);
if (tmp >= 0)
{
tmp += (1 << (REAL_BITS-1));
@@ -433,8 +503,8 @@ void* output_to_PCM(faacDecHandle hDecoder,
case FAAD_FMT_24BIT:
for(i = 0; i < frame_len; i++)
{
- //int32_t tmp = input[ch][i];
- int32_t tmp = get_sample(input, ch, i, hDecoder->downMatrix, hDecoder->internal_channel);
+ int32_t tmp = get_sample(input, ch, i, hDecoder->downMatrix, hDecoder->upMatrix,
+ hDecoder->internal_channel);
if (tmp >= 0)
{
tmp += (1 << (REAL_BITS-9));
@@ -457,8 +527,8 @@ void* output_to_PCM(faacDecHandle hDecoder,
case FAAD_FMT_32BIT:
for(i = 0; i < frame_len; i++)
{
- //int32_t tmp = input[ch][i];
- int32_t tmp = get_sample(input, ch, i, hDecoder->downMatrix, hDecoder->internal_channel);
+ int32_t tmp = get_sample(input, ch, i, hDecoder->downMatrix, hDecoder->upMatrix,
+ hDecoder->internal_channel);
if (tmp >= 0)
{
tmp += (1 << (16-REAL_BITS-1));
@@ -470,6 +540,14 @@ void* output_to_PCM(faacDecHandle hDecoder,
int_sample_buffer[(i*channels)+ch] = (int32_t)tmp;
}
break;
+ case FAAD_FMT_FIXED:
+ for(i = 0; i < frame_len; i++)
+ {
+ real_t tmp = get_sample(input, ch, i, hDecoder->downMatrix, hDecoder->upMatrix,
+ hDecoder->internal_channel);
+ int_sample_buffer[(i*channels)+ch] = (int32_t)tmp;
+ }
+ break;
}
}
diff --git a/src/libfaad/output.h b/src/libfaad/output.h
index 79a7cd5ea..1b15dae58 100644
--- a/src/libfaad/output.h
+++ b/src/libfaad/output.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: output.h,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: output.h,v 1.7 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __OUTPUT_H__
@@ -32,7 +32,7 @@
extern "C" {
#endif
-void* output_to_PCM(faacDecHandle hDecoder,
+void* output_to_PCM(NeAACDecHandle hDecoder,
real_t **input,
void *samplebuffer,
uint8_t channels,
diff --git a/src/libfaad/pns.c b/src/libfaad/pns.c
index 79beacab7..5266d8eef 100644
--- a/src/libfaad/pns.c
+++ b/src/libfaad/pns.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: pns.c,v 1.7 2004/12/03 01:15:30 tmattern Exp $
+** $Id: pns.c,v 1.8 2005/10/29 23:57:07 tmmm Exp $
**/
#include "common.h"
@@ -70,9 +70,6 @@ real_t fp_sqrt(real_t value)
static real_t pow2_table[] =
{
- COEF_CONST(0.59460355750136),
- COEF_CONST(0.70710678118655),
- COEF_CONST(0.84089641525371),
COEF_CONST(1.0),
COEF_CONST(1.18920711500272),
COEF_CONST(1.41421356237310),
@@ -131,8 +128,8 @@ static INLINE void gen_rand_vector(real_t *spec, int16_t scale_factor, uint16_t
{
scale = DIV(REAL_CONST(1),energy);
- exp = scale_factor / 4;
- frac = scale_factor % 4;
+ exp = scale_factor >> 2;
+ frac = scale_factor & 3;
/* IMDCT pre-scaling */
exp -= sub;
@@ -143,7 +140,7 @@ static INLINE void gen_rand_vector(real_t *spec, int16_t scale_factor, uint16_t
scale <<= exp;
if (frac)
- scale = MUL_C(scale, pow2_table[frac + 3]);
+ scale = MUL_C(scale, pow2_table[frac]);
for (i = 0; i < size; i++)
{
@@ -187,6 +184,7 @@ void pns_decode(ic_stream *ics_left, ic_stream *ics_right,
{
if (is_noise(ics_left, g, sfb))
{
+#ifdef LTP_DEC
/* Simultaneous use of LTP and PNS is not prevented in the
syntax. If both LTP, and PNS are enabled on the same
scalefactor band, PNS takes precedence, and no prediction
@@ -194,11 +192,14 @@ void pns_decode(ic_stream *ics_left, ic_stream *ics_right,
*/
ics_left->ltp.long_used[sfb] = 0;
ics_left->ltp2.long_used[sfb] = 0;
+#endif
+#ifdef MAIN_DEC
/* For scalefactor bands coded using PNS the corresponding
predictors are switched to "off".
*/
ics_left->pred.prediction_used[sfb] = 0;
+#endif
offs = ics_left->swb_offset[sfb];
size = ics_left->swb_offset[sfb+1] - offs;
@@ -240,9 +241,13 @@ void pns_decode(ic_stream *ics_left, ic_stream *ics_right,
spec_left[(group*nshort) + offs + c];
}
} else /*if (ics_left->ms_mask_present == 0)*/ {
+#ifdef LTP_DEC
ics_right->ltp.long_used[sfb] = 0;
ics_right->ltp2.long_used[sfb] = 0;
+#endif
+#ifdef MAIN_DEC
ics_right->pred.prediction_used[sfb] = 0;
+#endif
offs = ics_right->swb_offset[sfb];
size = ics_right->swb_offset[sfb+1] - offs;
diff --git a/src/libfaad/pns.h b/src/libfaad/pns.h
index 2502c21ff..2f246cc4f 100644
--- a/src/libfaad/pns.h
+++ b/src/libfaad/pns.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: pns.h,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: pns.h,v 1.7 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __PNS_H__
@@ -32,8 +32,6 @@
extern "C" {
#endif
-#include "common.h"
-
#include "syntax.h"
#define NOISE_OFFSET 90
diff --git a/src/libfaad/pulse.c b/src/libfaad/pulse.c
index 8a9c335d9..9e0a705e6 100644
--- a/src/libfaad/pulse.c
+++ b/src/libfaad/pulse.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: pulse.c,v 1.7 2004/12/03 01:15:30 tmattern Exp $
+** $Id: pulse.c,v 1.8 2005/10/29 23:57:07 tmmm Exp $
**/
#include "common.h"
@@ -39,7 +39,8 @@ uint8_t pulse_decode(ic_stream *ics, int16_t *spec_data, uint16_t framelen)
k = ics->swb_offset[pul->pulse_start_sfb];
- for(i = 0; i <= pul->number_pulse; i++) {
+ for (i = 0; i <= pul->number_pulse; i++)
+ {
k += pul->pulse_offset[i];
if (k >= framelen)
diff --git a/src/libfaad/pulse.h b/src/libfaad/pulse.h
index a3d6d8ce4..a057c0d3b 100644
--- a/src/libfaad/pulse.h
+++ b/src/libfaad/pulse.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: pulse.h,v 1.7 2004/12/03 01:15:30 tmattern Exp $
+** $Id: pulse.h,v 1.8 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __PULSE_H__
diff --git a/src/libfaad/rvlc.c b/src/libfaad/rvlc.c
index a10fe3ca6..bad49a0c6 100644
--- a/src/libfaad/rvlc.c
+++ b/src/libfaad/rvlc.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: rvlc.c,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: rvlc.c,v 1.7 2005/10/29 23:57:07 tmmm Exp $
**/
/* RVLC scalefactor decoding
diff --git a/src/libfaad/rvlc.h b/src/libfaad/rvlc.h
index dbf912db2..867468580 100644
--- a/src/libfaad/rvlc.h
+++ b/src/libfaad/rvlc.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: rvlc.h,v 1.5 2004/12/03 01:15:30 tmattern Exp $
+** $Id: rvlc.h,v 1.6 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __RVLC_SCF_H__
diff --git a/src/libfaad/sbr_dct.c b/src/libfaad/sbr_dct.c
index b03483795..ba8bbaf9b 100644
--- a/src/libfaad/sbr_dct.c
+++ b/src/libfaad/sbr_dct.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_dct.c,v 1.4 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_dct.c,v 1.5 2005/10/29 23:57:07 tmmm Exp $
**/
#include "common.h"
@@ -37,8 +37,758 @@
#include "sbr_dct.h"
+void DCT4_32(real_t *y, real_t *x)
+{
+ real_t f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10;
+ real_t f11, f12, f13, f14, f15, f16, f17, f18, f19, f20;
+ real_t f21, f22, f23, f24, f25, f26, f27, f28, f29, f30;
+ real_t f31, f32, f33, f34, f35, f36, f37, f38, f39, f40;
+ real_t f41, f42, f43, f44, f45, f46, f47, f48, f49, f50;
+ real_t f51, f52, f53, f54, f55, f56, f57, f58, f59, f60;
+ real_t f61, f62, f63, f64, f65, f66, f67, f68, f69, f70;
+ real_t f71, f72, f73, f74, f75, f76, f77, f78, f79, f80;
+ real_t f81, f82, f83, f84, f85, f86, f87, f88, f89, f90;
+ real_t f91, f92, f93, f94, f95, f96, f97, f98, f99, f100;
+ real_t f101, f102, f103, f104, f105, f106, f107, f108, f109, f110;
+ real_t f111, f112, f113, f114, f115, f116, f117, f118, f119, f120;
+ real_t f121, f122, f123, f124, f125, f126, f127, f128, f129, f130;
+ real_t f131, f132, f133, f134, f135, f136, f137, f138, f139, f140;
+ real_t f141, f142, f143, f144, f145, f146, f147, f148, f149, f150;
+ real_t f151, f152, f153, f154, f155, f156, f157, f158, f159, f160;
+ real_t f161, f162, f163, f164, f165, f166, f167, f168, f169, f170;
+ real_t f171, f172, f173, f174, f175, f176, f177, f178, f179, f180;
+ real_t f181, f182, f183, f184, f185, f186, f187, f188, f189, f190;
+ real_t f191, f192, f193, f194, f195, f196, f197, f198, f199, f200;
+ real_t f201, f202, f203, f204, f205, f206, f207, f208, f209, f210;
+ real_t f211, f212, f213, f214, f215, f216, f217, f218, f219, f220;
+ real_t f221, f222, f223, f224, f225, f226, f227, f228, f229, f230;
+ real_t f231, f232, f233, f234, f235, f236, f237, f238, f239, f240;
+ real_t f241, f242, f243, f244, f245, f246, f247, f248, f249, f250;
+ real_t f251, f252, f253, f254, f255, f256, f257, f258, f259, f260;
+ real_t f261, f262, f263, f264, f265, f266, f267, f268, f269, f270;
+ real_t f271, f272, f273, f274, f275, f276, f277, f278, f279, f280;
+ real_t f281, f282, f283, f284, f285, f286, f287, f288, f289, f290;
+ real_t f291, f292, f293, f294, f295, f296, f297, f298, f299, f300;
+ real_t f301, f302, f303, f304, f305, f306, f307, f310, f311, f312;
+ real_t f313, f316, f317, f318, f319, f322, f323, f324, f325, f328;
+ real_t f329, f330, f331, f334, f335, f336, f337, f340, f341, f342;
+ real_t f343, f346, f347, f348, f349, f352, f353, f354, f355, f358;
+ real_t f359, f360, f361, f364, f365, f366, f367, f370, f371, f372;
+ real_t f373, f376, f377, f378, f379, f382, f383, f384, f385, f388;
+ real_t f389, f390, f391, f394, f395, f396, f397;
+
+ f0 = x[15] - x[16];
+ f1 = x[15] + x[16];
+ f2 = MUL_F(FRAC_CONST(0.7071067811865476), f1);
+ f3 = MUL_F(FRAC_CONST(0.7071067811865476), f0);
+ f4 = x[8] - x[23];
+ f5 = x[8] + x[23];
+ f6 = MUL_F(FRAC_CONST(0.7071067811865476), f5);
+ f7 = MUL_F(FRAC_CONST(0.7071067811865476), f4);
+ f8 = x[12] - x[19];
+ f9 = x[12] + x[19];
+ f10 = MUL_F(FRAC_CONST(0.7071067811865476), f9);
+ f11 = MUL_F(FRAC_CONST(0.7071067811865476), f8);
+ f12 = x[11] - x[20];
+ f13 = x[11] + x[20];
+ f14 = MUL_F(FRAC_CONST(0.7071067811865476), f13);
+ f15 = MUL_F(FRAC_CONST(0.7071067811865476), f12);
+ f16 = x[14] - x[17];
+ f17 = x[14] + x[17];
+ f18 = MUL_F(FRAC_CONST(0.7071067811865476), f17);
+ f19 = MUL_F(FRAC_CONST(0.7071067811865476), f16);
+ f20 = x[9] - x[22];
+ f21 = x[9] + x[22];
+ f22 = MUL_F(FRAC_CONST(0.7071067811865476), f21);
+ f23 = MUL_F(FRAC_CONST(0.7071067811865476), f20);
+ f24 = x[13] - x[18];
+ f25 = x[13] + x[18];
+ f26 = MUL_F(FRAC_CONST(0.7071067811865476), f25);
+ f27 = MUL_F(FRAC_CONST(0.7071067811865476), f24);
+ f28 = x[10] - x[21];
+ f29 = x[10] + x[21];
+ f30 = MUL_F(FRAC_CONST(0.7071067811865476), f29);
+ f31 = MUL_F(FRAC_CONST(0.7071067811865476), f28);
+ f32 = x[0] - f2;
+ f33 = x[0] + f2;
+ f34 = x[31] - f3;
+ f35 = x[31] + f3;
+ f36 = x[7] - f6;
+ f37 = x[7] + f6;
+ f38 = x[24] - f7;
+ f39 = x[24] + f7;
+ f40 = x[3] - f10;
+ f41 = x[3] + f10;
+ f42 = x[28] - f11;
+ f43 = x[28] + f11;
+ f44 = x[4] - f14;
+ f45 = x[4] + f14;
+ f46 = x[27] - f15;
+ f47 = x[27] + f15;
+ f48 = x[1] - f18;
+ f49 = x[1] + f18;
+ f50 = x[30] - f19;
+ f51 = x[30] + f19;
+ f52 = x[6] - f22;
+ f53 = x[6] + f22;
+ f54 = x[25] - f23;
+ f55 = x[25] + f23;
+ f56 = x[2] - f26;
+ f57 = x[2] + f26;
+ f58 = x[29] - f27;
+ f59 = x[29] + f27;
+ f60 = x[5] - f30;
+ f61 = x[5] + f30;
+ f62 = x[26] - f31;
+ f63 = x[26] + f31;
+ f64 = f39 + f37;
+ f65 = MUL_F(FRAC_CONST(-0.5411961001461969), f39);
+ f66 = MUL_F(FRAC_CONST(0.9238795325112867), f64);
+ f67 = MUL_C(COEF_CONST(1.3065629648763766), f37);
+ f68 = f65 + f66;
+ f69 = f67 - f66;
+ f70 = f38 + f36;
+ f71 = MUL_C(COEF_CONST(1.3065629648763770), f38);
+ f72 = MUL_F(FRAC_CONST(-0.3826834323650904), f70);
+ f73 = MUL_F(FRAC_CONST(0.5411961001461961), f36);
+ f74 = f71 + f72;
+ f75 = f73 - f72;
+ f76 = f47 + f45;
+ f77 = MUL_F(FRAC_CONST(-0.5411961001461969), f47);
+ f78 = MUL_F(FRAC_CONST(0.9238795325112867), f76);
+ f79 = MUL_C(COEF_CONST(1.3065629648763766), f45);
+ f80 = f77 + f78;
+ f81 = f79 - f78;
+ f82 = f46 + f44;
+ f83 = MUL_C(COEF_CONST(1.3065629648763770), f46);
+ f84 = MUL_F(FRAC_CONST(-0.3826834323650904), f82);
+ f85 = MUL_F(FRAC_CONST(0.5411961001461961), f44);
+ f86 = f83 + f84;
+ f87 = f85 - f84;
+ f88 = f55 + f53;
+ f89 = MUL_F(FRAC_CONST(-0.5411961001461969), f55);
+ f90 = MUL_F(FRAC_CONST(0.9238795325112867), f88);
+ f91 = MUL_C(COEF_CONST(1.3065629648763766), f53);
+ f92 = f89 + f90;
+ f93 = f91 - f90;
+ f94 = f54 + f52;
+ f95 = MUL_C(COEF_CONST(1.3065629648763770), f54);
+ f96 = MUL_F(FRAC_CONST(-0.3826834323650904), f94);
+ f97 = MUL_F(FRAC_CONST(0.5411961001461961), f52);
+ f98 = f95 + f96;
+ f99 = f97 - f96;
+ f100 = f63 + f61;
+ f101 = MUL_F(FRAC_CONST(-0.5411961001461969), f63);
+ f102 = MUL_F(FRAC_CONST(0.9238795325112867), f100);
+ f103 = MUL_C(COEF_CONST(1.3065629648763766), f61);
+ f104 = f101 + f102;
+ f105 = f103 - f102;
+ f106 = f62 + f60;
+ f107 = MUL_C(COEF_CONST(1.3065629648763770), f62);
+ f108 = MUL_F(FRAC_CONST(-0.3826834323650904), f106);
+ f109 = MUL_F(FRAC_CONST(0.5411961001461961), f60);
+ f110 = f107 + f108;
+ f111 = f109 - f108;
+ f112 = f33 - f68;
+ f113 = f33 + f68;
+ f114 = f35 - f69;
+ f115 = f35 + f69;
+ f116 = f32 - f74;
+ f117 = f32 + f74;
+ f118 = f34 - f75;
+ f119 = f34 + f75;
+ f120 = f41 - f80;
+ f121 = f41 + f80;
+ f122 = f43 - f81;
+ f123 = f43 + f81;
+ f124 = f40 - f86;
+ f125 = f40 + f86;
+ f126 = f42 - f87;
+ f127 = f42 + f87;
+ f128 = f49 - f92;
+ f129 = f49 + f92;
+ f130 = f51 - f93;
+ f131 = f51 + f93;
+ f132 = f48 - f98;
+ f133 = f48 + f98;
+ f134 = f50 - f99;
+ f135 = f50 + f99;
+ f136 = f57 - f104;
+ f137 = f57 + f104;
+ f138 = f59 - f105;
+ f139 = f59 + f105;
+ f140 = f56 - f110;
+ f141 = f56 + f110;
+ f142 = f58 - f111;
+ f143 = f58 + f111;
+ f144 = f123 + f121;
+ f145 = MUL_F(FRAC_CONST(-0.7856949583871021), f123);
+ f146 = MUL_F(FRAC_CONST(0.9807852804032304), f144);
+ f147 = MUL_C(COEF_CONST(1.1758756024193588), f121);
+ f148 = f145 + f146;
+ f149 = f147 - f146;
+ f150 = f127 + f125;
+ f151 = MUL_F(FRAC_CONST(0.2758993792829431), f127);
+ f152 = MUL_F(FRAC_CONST(0.5555702330196022), f150);
+ f153 = MUL_C(COEF_CONST(1.3870398453221475), f125);
+ f154 = f151 + f152;
+ f155 = f153 - f152;
+ f156 = f122 + f120;
+ f157 = MUL_C(COEF_CONST(1.1758756024193591), f122);
+ f158 = MUL_F(FRAC_CONST(-0.1950903220161287), f156);
+ f159 = MUL_F(FRAC_CONST(0.7856949583871016), f120);
+ f160 = f157 + f158;
+ f161 = f159 - f158;
+ f162 = f126 + f124;
+ f163 = MUL_C(COEF_CONST(1.3870398453221473), f126);
+ f164 = MUL_F(FRAC_CONST(-0.8314696123025455), f162);
+ f165 = MUL_F(FRAC_CONST(-0.2758993792829436), f124);
+ f166 = f163 + f164;
+ f167 = f165 - f164;
+ f168 = f139 + f137;
+ f169 = MUL_F(FRAC_CONST(-0.7856949583871021), f139);
+ f170 = MUL_F(FRAC_CONST(0.9807852804032304), f168);
+ f171 = MUL_C(COEF_CONST(1.1758756024193588), f137);
+ f172 = f169 + f170;
+ f173 = f171 - f170;
+ f174 = f143 + f141;
+ f175 = MUL_F(FRAC_CONST(0.2758993792829431), f143);
+ f176 = MUL_F(FRAC_CONST(0.5555702330196022), f174);
+ f177 = MUL_C(COEF_CONST(1.3870398453221475), f141);
+ f178 = f175 + f176;
+ f179 = f177 - f176;
+ f180 = f138 + f136;
+ f181 = MUL_C(COEF_CONST(1.1758756024193591), f138);
+ f182 = MUL_F(FRAC_CONST(-0.1950903220161287), f180);
+ f183 = MUL_F(FRAC_CONST(0.7856949583871016), f136);
+ f184 = f181 + f182;
+ f185 = f183 - f182;
+ f186 = f142 + f140;
+ f187 = MUL_C(COEF_CONST(1.3870398453221473), f142);
+ f188 = MUL_F(FRAC_CONST(-0.8314696123025455), f186);
+ f189 = MUL_F(FRAC_CONST(-0.2758993792829436), f140);
+ f190 = f187 + f188;
+ f191 = f189 - f188;
+ f192 = f113 - f148;
+ f193 = f113 + f148;
+ f194 = f115 - f149;
+ f195 = f115 + f149;
+ f196 = f117 - f154;
+ f197 = f117 + f154;
+ f198 = f119 - f155;
+ f199 = f119 + f155;
+ f200 = f112 - f160;
+ f201 = f112 + f160;
+ f202 = f114 - f161;
+ f203 = f114 + f161;
+ f204 = f116 - f166;
+ f205 = f116 + f166;
+ f206 = f118 - f167;
+ f207 = f118 + f167;
+ f208 = f129 - f172;
+ f209 = f129 + f172;
+ f210 = f131 - f173;
+ f211 = f131 + f173;
+ f212 = f133 - f178;
+ f213 = f133 + f178;
+ f214 = f135 - f179;
+ f215 = f135 + f179;
+ f216 = f128 - f184;
+ f217 = f128 + f184;
+ f218 = f130 - f185;
+ f219 = f130 + f185;
+ f220 = f132 - f190;
+ f221 = f132 + f190;
+ f222 = f134 - f191;
+ f223 = f134 + f191;
+ f224 = f211 + f209;
+ f225 = MUL_F(FRAC_CONST(-0.8971675863426361), f211);
+ f226 = MUL_F(FRAC_CONST(0.9951847266721968), f224);
+ f227 = MUL_C(COEF_CONST(1.0932018670017576), f209);
+ f228 = f225 + f226;
+ f229 = f227 - f226;
+ f230 = f215 + f213;
+ f231 = MUL_F(FRAC_CONST(-0.4105245275223571), f215);
+ f232 = MUL_F(FRAC_CONST(0.8819212643483549), f230);
+ f233 = MUL_C(COEF_CONST(1.3533180011743529), f213);
+ f234 = f231 + f232;
+ f235 = f233 - f232;
+ f236 = f219 + f217;
+ f237 = MUL_F(FRAC_CONST(0.1386171691990915), f219);
+ f238 = MUL_F(FRAC_CONST(0.6343932841636455), f236);
+ f239 = MUL_C(COEF_CONST(1.4074037375263826), f217);
+ f240 = f237 + f238;
+ f241 = f239 - f238;
+ f242 = f223 + f221;
+ f243 = MUL_F(FRAC_CONST(0.6666556584777466), f223);
+ f244 = MUL_F(FRAC_CONST(0.2902846772544623), f242);
+ f245 = MUL_C(COEF_CONST(1.2472250129866711), f221);
+ f246 = f243 + f244;
+ f247 = f245 - f244;
+ f248 = f210 + f208;
+ f249 = MUL_C(COEF_CONST(1.0932018670017574), f210);
+ f250 = MUL_F(FRAC_CONST(-0.0980171403295605), f248);
+ f251 = MUL_F(FRAC_CONST(0.8971675863426364), f208);
+ f252 = f249 + f250;
+ f253 = f251 - f250;
+ f254 = f214 + f212;
+ f255 = MUL_C(COEF_CONST(1.3533180011743529), f214);
+ f256 = MUL_F(FRAC_CONST(-0.4713967368259979), f254);
+ f257 = MUL_F(FRAC_CONST(0.4105245275223569), f212);
+ f258 = f255 + f256;
+ f259 = f257 - f256;
+ f260 = f218 + f216;
+ f261 = MUL_C(COEF_CONST(1.4074037375263826), f218);
+ f262 = MUL_F(FRAC_CONST(-0.7730104533627369), f260);
+ f263 = MUL_F(FRAC_CONST(-0.1386171691990913), f216);
+ f264 = f261 + f262;
+ f265 = f263 - f262;
+ f266 = f222 + f220;
+ f267 = MUL_C(COEF_CONST(1.2472250129866711), f222);
+ f268 = MUL_F(FRAC_CONST(-0.9569403357322089), f266);
+ f269 = MUL_F(FRAC_CONST(-0.6666556584777469), f220);
+ f270 = f267 + f268;
+ f271 = f269 - f268;
+ f272 = f193 - f228;
+ f273 = f193 + f228;
+ f274 = f195 - f229;
+ f275 = f195 + f229;
+ f276 = f197 - f234;
+ f277 = f197 + f234;
+ f278 = f199 - f235;
+ f279 = f199 + f235;
+ f280 = f201 - f240;
+ f281 = f201 + f240;
+ f282 = f203 - f241;
+ f283 = f203 + f241;
+ f284 = f205 - f246;
+ f285 = f205 + f246;
+ f286 = f207 - f247;
+ f287 = f207 + f247;
+ f288 = f192 - f252;
+ f289 = f192 + f252;
+ f290 = f194 - f253;
+ f291 = f194 + f253;
+ f292 = f196 - f258;
+ f293 = f196 + f258;
+ f294 = f198 - f259;
+ f295 = f198 + f259;
+ f296 = f200 - f264;
+ f297 = f200 + f264;
+ f298 = f202 - f265;
+ f299 = f202 + f265;
+ f300 = f204 - f270;
+ f301 = f204 + f270;
+ f302 = f206 - f271;
+ f303 = f206 + f271;
+ f304 = f275 + f273;
+ f305 = MUL_F(FRAC_CONST(-0.9751575901732920), f275);
+ f306 = MUL_F(FRAC_CONST(0.9996988186962043), f304);
+ f307 = MUL_C(COEF_CONST(1.0242400472191164), f273);
+ y[0] = f305 + f306;
+ y[31] = f307 - f306;
+ f310 = f279 + f277;
+ f311 = MUL_F(FRAC_CONST(-0.8700688593994936), f279);
+ f312 = MUL_F(FRAC_CONST(0.9924795345987100), f310);
+ f313 = MUL_C(COEF_CONST(1.1148902097979263), f277);
+ y[2] = f311 + f312;
+ y[29] = f313 - f312;
+ f316 = f283 + f281;
+ f317 = MUL_F(FRAC_CONST(-0.7566008898816587), f283);
+ f318 = MUL_F(FRAC_CONST(0.9757021300385286), f316);
+ f319 = MUL_C(COEF_CONST(1.1948033701953984), f281);
+ y[4] = f317 + f318;
+ y[27] = f319 - f318;
+ f322 = f287 + f285;
+ f323 = MUL_F(FRAC_CONST(-0.6358464401941451), f287);
+ f324 = MUL_F(FRAC_CONST(0.9495281805930367), f322);
+ f325 = MUL_C(COEF_CONST(1.2632099209919283), f285);
+ y[6] = f323 + f324;
+ y[25] = f325 - f324;
+ f328 = f291 + f289;
+ f329 = MUL_F(FRAC_CONST(-0.5089684416985408), f291);
+ f330 = MUL_F(FRAC_CONST(0.9142097557035307), f328);
+ f331 = MUL_C(COEF_CONST(1.3194510697085207), f289);
+ y[8] = f329 + f330;
+ y[23] = f331 - f330;
+ f334 = f295 + f293;
+ f335 = MUL_F(FRAC_CONST(-0.3771887988789273), f295);
+ f336 = MUL_F(FRAC_CONST(0.8700869911087114), f334);
+ f337 = MUL_C(COEF_CONST(1.3629851833384954), f293);
+ y[10] = f335 + f336;
+ y[21] = f337 - f336;
+ f340 = f299 + f297;
+ f341 = MUL_F(FRAC_CONST(-0.2417766217337384), f299);
+ f342 = MUL_F(FRAC_CONST(0.8175848131515837), f340);
+ f343 = MUL_C(COEF_CONST(1.3933930045694289), f297);
+ y[12] = f341 + f342;
+ y[19] = f343 - f342;
+ f346 = f303 + f301;
+ f347 = MUL_F(FRAC_CONST(-0.1040360035527077), f303);
+ f348 = MUL_F(FRAC_CONST(0.7572088465064845), f346);
+ f349 = MUL_C(COEF_CONST(1.4103816894602612), f301);
+ y[14] = f347 + f348;
+ y[17] = f349 - f348;
+ f352 = f274 + f272;
+ f353 = MUL_F(FRAC_CONST(0.0347065382144002), f274);
+ f354 = MUL_F(FRAC_CONST(0.6895405447370668), f352);
+ f355 = MUL_C(COEF_CONST(1.4137876276885337), f272);
+ y[16] = f353 + f354;
+ y[15] = f355 - f354;
+ f358 = f278 + f276;
+ f359 = MUL_F(FRAC_CONST(0.1731148370459795), f278);
+ f360 = MUL_F(FRAC_CONST(0.6152315905806268), f358);
+ f361 = MUL_C(COEF_CONST(1.4035780182072330), f276);
+ y[18] = f359 + f360;
+ y[13] = f361 - f360;
+ f364 = f282 + f280;
+ f365 = MUL_F(FRAC_CONST(0.3098559453626100), f282);
+ f366 = MUL_F(FRAC_CONST(0.5349976198870972), f364);
+ f367 = MUL_C(COEF_CONST(1.3798511851368043), f280);
+ y[20] = f365 + f366;
+ y[11] = f367 - f366;
+ f370 = f286 + f284;
+ f371 = MUL_F(FRAC_CONST(0.4436129715409088), f286);
+ f372 = MUL_F(FRAC_CONST(0.4496113296546065), f370);
+ f373 = MUL_C(COEF_CONST(1.3428356308501219), f284);
+ y[22] = f371 + f372;
+ y[9] = f373 - f372;
+ f376 = f290 + f288;
+ f377 = MUL_F(FRAC_CONST(0.5730977622997509), f290);
+ f378 = MUL_F(FRAC_CONST(0.3598950365349881), f376);
+ f379 = MUL_C(COEF_CONST(1.2928878353697271), f288);
+ y[24] = f377 + f378;
+ y[7] = f379 - f378;
+ f382 = f294 + f292;
+ f383 = MUL_F(FRAC_CONST(0.6970633083205415), f294);
+ f384 = MUL_F(FRAC_CONST(0.2667127574748984), f382);
+ f385 = MUL_C(COEF_CONST(1.2304888232703382), f292);
+ y[26] = f383 + f384;
+ y[5] = f385 - f384;
+ f388 = f298 + f296;
+ f389 = MUL_F(FRAC_CONST(0.8143157536286401), f298);
+ f390 = MUL_F(FRAC_CONST(0.1709618887603012), f388);
+ f391 = MUL_C(COEF_CONST(1.1562395311492424), f296);
+ y[28] = f389 + f390;
+ y[3] = f391 - f390;
+ f394 = f302 + f300;
+ f395 = MUL_F(FRAC_CONST(0.9237258930790228), f302);
+ f396 = MUL_F(FRAC_CONST(0.0735645635996674), f394);
+ f397 = MUL_C(COEF_CONST(1.0708550202783576), f300);
+ y[30] = f395 + f396;
+ y[1] = f397 - f396;
+}
+
#ifdef SBR_LOW_POWER
+void DCT2_16_unscaled(real_t *y, real_t *x)
+{
+ real_t f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10;
+ real_t f11, f12, f13, f14, f15, f16, f17, f18, f19, f20;
+ real_t f21, f22, f23, f24, f25, f26, f27, f28, f31, f32;
+ real_t f33, f34, f37, f38, f39, f40, f41, f42, f43, f44;
+ real_t f45, f46, f47, f48, f49, f51, f53, f54, f57, f58;
+ real_t f59, f60, f61, f62, f63, f64, f65, f66, f67, f68;
+ real_t f69, f70, f71, f72, f73, f74, f75, f76, f77, f78;
+ real_t f79, f80, f81, f82, f83, f84, f85, f86, f87, f88;
+ real_t f89, f90, f91, f92, f95, f96, f97, f98, f101, f102;
+ real_t f103, f104, f107, f108, f109, f110;
+
+ f0 = x[0] - x[15];
+ f1 = x[0] + x[15];
+ f2 = x[1] - x[14];
+ f3 = x[1] + x[14];
+ f4 = x[2] - x[13];
+ f5 = x[2] + x[13];
+ f6 = x[3] - x[12];
+ f7 = x[3] + x[12];
+ f8 = x[4] - x[11];
+ f9 = x[4] + x[11];
+ f10 = x[5] - x[10];
+ f11 = x[5] + x[10];
+ f12 = x[6] - x[9];
+ f13 = x[6] + x[9];
+ f14 = x[7] - x[8];
+ f15 = x[7] + x[8];
+ f16 = f1 - f15;
+ f17 = f1 + f15;
+ f18 = f3 - f13;
+ f19 = f3 + f13;
+ f20 = f5 - f11;
+ f21 = f5 + f11;
+ f22 = f7 - f9;
+ f23 = f7 + f9;
+ f24 = f17 - f23;
+ f25 = f17 + f23;
+ f26 = f19 - f21;
+ f27 = f19 + f21;
+ f28 = f25 - f27;
+ y[0] = f25 + f27;
+ y[8] = MUL_F(f28, FRAC_CONST(0.7071067811865476));
+ f31 = f24 + f26;
+ f32 = MUL_C(f24, COEF_CONST(1.3065629648763766));
+ f33 = MUL_F(f31, FRAC_CONST(-0.9238795325112866));
+ f34 = MUL_F(f26, FRAC_CONST(-0.5411961001461967));
+ y[12] = f32 + f33;
+ y[4] = f34 - f33;
+ f37 = f16 + f22;
+ f38 = MUL_C(f16, COEF_CONST(1.1758756024193588));
+ f39 = MUL_F(f37, FRAC_CONST(-0.9807852804032304));
+ f40 = MUL_F(f22, FRAC_CONST(-0.7856949583871021));
+ f41 = f38 + f39;
+ f42 = f40 - f39;
+ f43 = f18 + f20;
+ f44 = MUL_C(f18, COEF_CONST(1.3870398453221473));
+ f45 = MUL_F(f43, FRAC_CONST(-0.8314696123025455));
+ f46 = MUL_F(f20, FRAC_CONST(-0.2758993792829436));
+ f47 = f44 + f45;
+ f48 = f46 - f45;
+ f49 = f42 - f48;
+ y[2] = f42 + f48;
+ f51 = MUL_F(f49, FRAC_CONST(0.7071067811865476));
+ y[14] = f41 - f47;
+ f53 = f41 + f47;
+ f54 = MUL_F(f53, FRAC_CONST(0.7071067811865476));
+ y[10] = f51 - f54;
+ y[6] = f51 + f54;
+ f57 = f2 - f4;
+ f58 = f2 + f4;
+ f59 = f6 - f8;
+ f60 = f6 + f8;
+ f61 = f10 - f12;
+ f62 = f10 + f12;
+ f63 = MUL_F(f60, FRAC_CONST(0.7071067811865476));
+ f64 = f0 - f63;
+ f65 = f0 + f63;
+ f66 = f58 + f62;
+ f67 = MUL_C(f58, COEF_CONST(1.3065629648763766));
+ f68 = MUL_F(f66, FRAC_CONST(-0.9238795325112866));
+ f69 = MUL_F(f62, FRAC_CONST(-0.5411961001461967));
+ f70 = f67 + f68;
+ f71 = f69 - f68;
+ f72 = f65 - f71;
+ f73 = f65 + f71;
+ f74 = f64 - f70;
+ f75 = f64 + f70;
+ f76 = MUL_F(f59, FRAC_CONST(0.7071067811865476));
+ f77 = f14 - f76;
+ f78 = f14 + f76;
+ f79 = f61 + f57;
+ f80 = MUL_C(f61, COEF_CONST(1.3065629648763766));
+ f81 = MUL_F(f79, FRAC_CONST(-0.9238795325112866));
+ f82 = MUL_F(f57, FRAC_CONST(-0.5411961001461967));
+ f83 = f80 + f81;
+ f84 = f82 - f81;
+ f85 = f78 - f84;
+ f86 = f78 + f84;
+ f87 = f77 - f83;
+ f88 = f77 + f83;
+ f89 = f86 + f73;
+ f90 = MUL_F(f86, FRAC_CONST(-0.8971675863426361));
+ f91 = MUL_F(f89, FRAC_CONST(0.9951847266721968));
+ f92 = MUL_C(f73, COEF_CONST(1.0932018670017576));
+ y[1] = f90 + f91;
+ y[15] = f92 - f91;
+ f95 = f75 - f88;
+ f96 = MUL_F(f88, FRAC_CONST(-0.6666556584777466));
+ f97 = MUL_F(f95, FRAC_CONST(0.9569403357322089));
+ f98 = MUL_C(f75, COEF_CONST(1.2472250129866713));
+ y[3] = f97 - f96;
+ y[13] = f98 - f97;
+ f101 = f87 + f74;
+ f102 = MUL_F(f87, FRAC_CONST(-0.4105245275223571));
+ f103 = MUL_F(f101, FRAC_CONST(0.8819212643483549));
+ f104 = MUL_C(f74, COEF_CONST(1.3533180011743529));
+ y[5] = f102 + f103;
+ y[11] = f104 - f103;
+ f107 = f72 - f85;
+ f108 = MUL_F(f85, FRAC_CONST(-0.1386171691990915));
+ f109 = MUL_F(f107, FRAC_CONST(0.7730104533627370));
+ f110 = MUL_C(f72, COEF_CONST(1.4074037375263826));
+ y[7] = f109 - f108;
+ y[9] = f110 - f109;
+}
+
+void DCT4_16(real_t *y, real_t *x)
+{
+ real_t f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10;
+ real_t f11, f12, f13, f14, f15, f16, f17, f18, f19, f20;
+ real_t f21, f22, f23, f24, f25, f26, f27, f28, f29, f30;
+ real_t f31, f32, f33, f34, f35, f36, f37, f38, f39, f40;
+ real_t f41, f42, f43, f44, f45, f46, f47, f48, f49, f50;
+ real_t f51, f52, f53, f54, f55, f56, f57, f58, f59, f60;
+ real_t f61, f62, f63, f64, f65, f66, f67, f68, f69, f70;
+ real_t f71, f72, f73, f74, f75, f76, f77, f78, f79, f80;
+ real_t f81, f82, f83, f84, f85, f86, f87, f88, f89, f90;
+ real_t f91, f92, f93, f94, f95, f96, f97, f98, f99, f100;
+ real_t f101, f102, f103, f104, f105, f106, f107, f108, f109, f110;
+ real_t f111, f112, f113, f114, f115, f116, f117, f118, f119, f120;
+ real_t f121, f122, f123, f124, f125, f126, f127, f128, f130, f132;
+ real_t f134, f136, f138, f140, f142, f144, f145, f148, f149, f152;
+ real_t f153, f156, f157;
+
+ f0 = x[0] + x[15];
+ f1 = MUL_C(COEF_CONST(1.0478631305325901), x[0]);
+ f2 = MUL_F(FRAC_CONST(-0.9987954562051724), f0);
+ f3 = MUL_F(FRAC_CONST(-0.9497277818777548), x[15]);
+ f4 = f1 + f2;
+ f5 = f3 - f2;
+ f6 = x[2] + x[13];
+ f7 = MUL_C(COEF_CONST(1.2130114330978077), x[2]);
+ f8 = MUL_F(FRAC_CONST(-0.9700312531945440), f6);
+ f9 = MUL_F(FRAC_CONST(-0.7270510732912803), x[13]);
+ f10 = f7 + f8;
+ f11 = f9 - f8;
+ f12 = x[4] + x[11];
+ f13 = MUL_C(COEF_CONST(1.3315443865537255), x[4]);
+ f14 = MUL_F(FRAC_CONST(-0.9039892931234433), f12);
+ f15 = MUL_F(FRAC_CONST(-0.4764341996931612), x[11]);
+ f16 = f13 + f14;
+ f17 = f15 - f14;
+ f18 = x[6] + x[9];
+ f19 = MUL_C(COEF_CONST(1.3989068359730781), x[6]);
+ f20 = MUL_F(FRAC_CONST(-0.8032075314806453), f18);
+ f21 = MUL_F(FRAC_CONST(-0.2075082269882124), x[9]);
+ f22 = f19 + f20;
+ f23 = f21 - f20;
+ f24 = x[8] + x[7];
+ f25 = MUL_C(COEF_CONST(1.4125100802019777), x[8]);
+ f26 = MUL_F(FRAC_CONST(-0.6715589548470187), f24);
+ f27 = MUL_F(FRAC_CONST(0.0693921705079402), x[7]);
+ f28 = f25 + f26;
+ f29 = f27 - f26;
+ f30 = x[10] + x[5];
+ f31 = MUL_C(COEF_CONST(1.3718313541934939), x[10]);
+ f32 = MUL_F(FRAC_CONST(-0.5141027441932219), f30);
+ f33 = MUL_F(FRAC_CONST(0.3436258658070501), x[5]);
+ f34 = f31 + f32;
+ f35 = f33 - f32;
+ f36 = x[12] + x[3];
+ f37 = MUL_C(COEF_CONST(1.2784339185752409), x[12]);
+ f38 = MUL_F(FRAC_CONST(-0.3368898533922200), f36);
+ f39 = MUL_F(FRAC_CONST(0.6046542117908008), x[3]);
+ f40 = f37 + f38;
+ f41 = f39 - f38;
+ f42 = x[14] + x[1];
+ f43 = MUL_C(COEF_CONST(1.1359069844201433), x[14]);
+ f44 = MUL_F(FRAC_CONST(-0.1467304744553624), f42);
+ f45 = MUL_F(FRAC_CONST(0.8424460355094185), x[1]);
+ f46 = f43 + f44;
+ f47 = f45 - f44;
+ f48 = f5 - f29;
+ f49 = f5 + f29;
+ f50 = f4 - f28;
+ f51 = f4 + f28;
+ f52 = f11 - f35;
+ f53 = f11 + f35;
+ f54 = f10 - f34;
+ f55 = f10 + f34;
+ f56 = f17 - f41;
+ f57 = f17 + f41;
+ f58 = f16 - f40;
+ f59 = f16 + f40;
+ f60 = f23 - f47;
+ f61 = f23 + f47;
+ f62 = f22 - f46;
+ f63 = f22 + f46;
+ f64 = f48 + f50;
+ f65 = MUL_C(COEF_CONST(1.1758756024193588), f48);
+ f66 = MUL_F(FRAC_CONST(-0.9807852804032304), f64);
+ f67 = MUL_F(FRAC_CONST(-0.7856949583871021), f50);
+ f68 = f65 + f66;
+ f69 = f67 - f66;
+ f70 = f52 + f54;
+ f71 = MUL_C(COEF_CONST(1.3870398453221475), f52);
+ f72 = MUL_F(FRAC_CONST(-0.5555702330196022), f70);
+ f73 = MUL_F(FRAC_CONST(0.2758993792829431), f54);
+ f74 = f71 + f72;
+ f75 = f73 - f72;
+ f76 = f56 + f58;
+ f77 = MUL_F(FRAC_CONST(0.7856949583871022), f56);
+ f78 = MUL_F(FRAC_CONST(0.1950903220161283), f76);
+ f79 = MUL_C(COEF_CONST(1.1758756024193586), f58);
+ f80 = f77 + f78;
+ f81 = f79 - f78;
+ f82 = f60 + f62;
+ f83 = MUL_F(FRAC_CONST(-0.2758993792829430), f60);
+ f84 = MUL_F(FRAC_CONST(0.8314696123025452), f82);
+ f85 = MUL_C(COEF_CONST(1.3870398453221475), f62);
+ f86 = f83 + f84;
+ f87 = f85 - f84;
+ f88 = f49 - f57;
+ f89 = f49 + f57;
+ f90 = f51 - f59;
+ f91 = f51 + f59;
+ f92 = f53 - f61;
+ f93 = f53 + f61;
+ f94 = f55 - f63;
+ f95 = f55 + f63;
+ f96 = f69 - f81;
+ f97 = f69 + f81;
+ f98 = f68 - f80;
+ f99 = f68 + f80;
+ f100 = f75 - f87;
+ f101 = f75 + f87;
+ f102 = f74 - f86;
+ f103 = f74 + f86;
+ f104 = f88 + f90;
+ f105 = MUL_C(COEF_CONST(1.3065629648763766), f88);
+ f106 = MUL_F(FRAC_CONST(-0.9238795325112866), f104);
+ f107 = MUL_F(FRAC_CONST(-0.5411961001461967), f90);
+ f108 = f105 + f106;
+ f109 = f107 - f106;
+ f110 = f92 + f94;
+ f111 = MUL_F(FRAC_CONST(0.5411961001461969), f92);
+ f112 = MUL_F(FRAC_CONST(0.3826834323650898), f110);
+ f113 = MUL_C(COEF_CONST(1.3065629648763766), f94);
+ f114 = f111 + f112;
+ f115 = f113 - f112;
+ f116 = f96 + f98;
+ f117 = MUL_C(COEF_CONST(1.3065629648763766), f96);
+ f118 = MUL_F(FRAC_CONST(-0.9238795325112866), f116);
+ f119 = MUL_F(FRAC_CONST(-0.5411961001461967), f98);
+ f120 = f117 + f118;
+ f121 = f119 - f118;
+ f122 = f100 + f102;
+ f123 = MUL_F(FRAC_CONST(0.5411961001461969), f100);
+ f124 = MUL_F(FRAC_CONST(0.3826834323650898), f122);
+ f125 = MUL_C(COEF_CONST(1.3065629648763766), f102);
+ f126 = f123 + f124;
+ f127 = f125 - f124;
+ f128 = f89 - f93;
+ y[0] = f89 + f93;
+ f130 = f91 - f95;
+ y[15] = f91 + f95;
+ f132 = f109 - f115;
+ y[3] = f109 + f115;
+ f134 = f108 - f114;
+ y[12] = f108 + f114;
+ f136 = f97 - f101;
+ y[1] = f97 + f101;
+ f138 = f99 - f103;
+ y[14] = f99 + f103;
+ f140 = f121 - f127;
+ y[2] = f121 + f127;
+ f142 = f120 - f126;
+ y[13] = f120 + f126;
+ f144 = f128 - f130;
+ f145 = f128 + f130;
+ y[8] = MUL_F(FRAC_CONST(0.7071067811865474), f144);
+ y[7] = MUL_F(FRAC_CONST(0.7071067811865474), f145);
+ f148 = f132 - f134;
+ f149 = f132 + f134;
+ y[11] = MUL_F(FRAC_CONST(0.7071067811865474), f148);
+ y[4] = MUL_F(FRAC_CONST(0.7071067811865474), f149);
+ f152 = f136 - f138;
+ f153 = f136 + f138;
+ y[9] = MUL_F(FRAC_CONST(0.7071067811865474), f152);
+ y[6] = MUL_F(FRAC_CONST(0.7071067811865474), f153);
+ f156 = f140 - f142;
+ f157 = f140 + f142;
+ y[10] = MUL_F(FRAC_CONST(0.7071067811865474), f156);
+ y[5] = MUL_F(FRAC_CONST(0.7071067811865474), f157);
+}
+
void DCT3_32_unscaled(real_t *y, real_t *x)
{
real_t f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10;
@@ -70,13 +820,13 @@ void DCT3_32_unscaled(real_t *y, real_t *x)
real_t f261, f262, f263, f264, f265, f266, f267, f268, f269, f270;
real_t f271, f272;
- f0 = MUL_C(COEF_CONST(0.7071067811865476), x[16]);
+ f0 = MUL_F(x[16], FRAC_CONST(0.7071067811865476));
f1 = x[0] - f0;
f2 = x[0] + f0;
f3 = x[8] + x[24];
- f4 = MUL_C(COEF_CONST(1.3065629648763766), x[8]);
- f5 = MUL_C(COEF_CONST((-0.9238795325112866)), f3);
- f6 = MUL_C(COEF_CONST((-0.5411961001461967)), x[24]);
+ f4 = MUL_C(x[8], COEF_CONST(1.3065629648763766));
+ f5 = MUL_F(f3, FRAC_CONST((-0.9238795325112866)));
+ f6 = MUL_F(x[24], FRAC_CONST((-0.5411961001461967)));
f7 = f4 + f5;
f8 = f6 - f5;
f9 = f2 - f8;
@@ -84,23 +834,23 @@ void DCT3_32_unscaled(real_t *y, real_t *x)
f11 = f1 - f7;
f12 = f1 + f7;
f13 = x[4] + x[28];
- f14 = MUL_C(COEF_CONST(1.1758756024193588), x[4]);
- f15 = MUL_C(COEF_CONST((-0.9807852804032304)), f13);
- f16 = MUL_C(COEF_CONST((-0.7856949583871021)), x[28]);
+ f14 = MUL_C(x[4], COEF_CONST(1.1758756024193588));
+ f15 = MUL_F(f13, FRAC_CONST((-0.9807852804032304)));
+ f16 = MUL_F(x[28], FRAC_CONST((-0.7856949583871021)));
f17 = f14 + f15;
f18 = f16 - f15;
f19 = x[12] + x[20];
- f20 = MUL_C(COEF_CONST(1.3870398453221473), x[12]);
- f21 = MUL_C(COEF_CONST((-0.8314696123025455)), f19);
- f22 = MUL_C(COEF_CONST((-0.2758993792829436)), x[20]);
+ f20 = MUL_C(x[12], COEF_CONST(1.3870398453221473));
+ f21 = MUL_F(f19, FRAC_CONST((-0.8314696123025455)));
+ f22 = MUL_F(x[20], FRAC_CONST((-0.2758993792829436)));
f23 = f20 + f21;
f24 = f22 - f21;
f25 = f18 - f24;
f26 = f18 + f24;
- f27 = MUL_C(COEF_CONST(0.7071067811865476), f25);
+ f27 = MUL_F(f25, FRAC_CONST(0.7071067811865476));
f28 = f17 - f23;
f29 = f17 + f23;
- f30 = MUL_C(COEF_CONST(0.7071067811865476), f29);
+ f30 = MUL_F(f29, FRAC_CONST(0.7071067811865476));
f31 = f27 - f30;
f32 = f27 + f30;
f33 = f10 - f26;
@@ -112,27 +862,27 @@ void DCT3_32_unscaled(real_t *y, real_t *x)
f39 = f9 - f28;
f40 = f9 + f28;
f41 = x[2] + x[30];
- f42 = MUL_C(COEF_CONST(1.0932018670017569), x[2]);
- f43 = MUL_C(COEF_CONST((-0.9951847266721969)), f41);
- f44 = MUL_C(COEF_CONST((-0.8971675863426368)), x[30]);
+ f42 = MUL_C(x[2], COEF_CONST(1.0932018670017569));
+ f43 = MUL_F(f41, FRAC_CONST((-0.9951847266721969)));
+ f44 = MUL_F(x[30], FRAC_CONST((-0.8971675863426368)));
f45 = f42 + f43;
f46 = f44 - f43;
f47 = x[6] + x[26];
- f48 = MUL_C(COEF_CONST(1.2472250129866711), x[6]);
- f49 = MUL_C(COEF_CONST((-0.9569403357322089)), f47);
- f50 = MUL_C(COEF_CONST((-0.6666556584777469)), x[26]);
+ f48 = MUL_C(x[6], COEF_CONST(1.2472250129866711));
+ f49 = MUL_F(f47, FRAC_CONST((-0.9569403357322089)));
+ f50 = MUL_F(x[26], FRAC_CONST((-0.6666556584777469)));
f51 = f48 + f49;
f52 = f50 - f49;
f53 = x[10] + x[22];
- f54 = MUL_C(COEF_CONST(1.3533180011743526), x[10]);
- f55 = MUL_C(COEF_CONST((-0.8819212643483551)), f53);
- f56 = MUL_C(COEF_CONST((-0.4105245275223575)), x[22]);
+ f54 = MUL_C(x[10], COEF_CONST(1.3533180011743526));
+ f55 = MUL_F(f53, FRAC_CONST((-0.8819212643483551)));
+ f56 = MUL_F(x[22], FRAC_CONST((-0.4105245275223575)));
f57 = f54 + f55;
f58 = f56 - f55;
f59 = x[14] + x[18];
- f60 = MUL_C(COEF_CONST(1.4074037375263826), x[14]);
- f61 = MUL_C(COEF_CONST((-0.7730104533627369)), f59);
- f62 = MUL_C(COEF_CONST((-0.1386171691990913)), x[18]);
+ f60 = MUL_C(x[14], COEF_CONST(1.4074037375263826));
+ f61 = MUL_F(f59, FRAC_CONST((-0.7730104533627369)));
+ f62 = MUL_F(x[18], FRAC_CONST((-0.1386171691990913)));
f63 = f60 + f61;
f64 = f62 - f61;
f65 = f46 - f64;
@@ -141,11 +891,11 @@ void DCT3_32_unscaled(real_t *y, real_t *x)
f68 = f52 + f58;
f69 = f66 - f68;
f70 = f66 + f68;
- f71 = MUL_C(COEF_CONST(0.7071067811865476), f69);
+ f71 = MUL_F(f69, FRAC_CONST(0.7071067811865476));
f72 = f65 + f67;
- f73 = MUL_C(COEF_CONST(1.3065629648763766), f65);
- f74 = MUL_C(COEF_CONST((-0.9238795325112866)), f72);
- f75 = MUL_C(COEF_CONST((-0.5411961001461967)), f67);
+ f73 = MUL_C(f65, COEF_CONST(1.3065629648763766));
+ f74 = MUL_F(f72, FRAC_CONST((-0.9238795325112866)));
+ f75 = MUL_F(f67, FRAC_CONST((-0.5411961001461967)));
f76 = f73 + f74;
f77 = f75 - f74;
f78 = f45 - f63;
@@ -153,14 +903,14 @@ void DCT3_32_unscaled(real_t *y, real_t *x)
f80 = f51 - f57;
f81 = f51 + f57;
f82 = f79 + f81;
- f83 = MUL_C(COEF_CONST(1.3065629648763770), f79);
- f84 = MUL_C(COEF_CONST((-0.3826834323650904)), f82);
- f85 = MUL_C(COEF_CONST(0.5411961001461961), f81);
+ f83 = MUL_C(f79, COEF_CONST(1.3065629648763770));
+ f84 = MUL_F(f82, FRAC_CONST((-0.3826834323650904)));
+ f85 = MUL_F(f81, FRAC_CONST(0.5411961001461961));
f86 = f83 + f84;
f87 = f85 - f84;
f88 = f78 - f80;
f89 = f78 + f80;
- f90 = MUL_C(COEF_CONST(0.7071067811865476), f89);
+ f90 = MUL_F(f89, FRAC_CONST(0.7071067811865476));
f91 = f77 - f87;
f92 = f77 + f87;
f93 = f71 - f90;
@@ -184,51 +934,51 @@ void DCT3_32_unscaled(real_t *y, real_t *x)
f111 = f33 - f88;
f112 = f33 + f88;
f113 = x[1] + x[31];
- f114 = MUL_C(COEF_CONST(1.0478631305325901), x[1]);
- f115 = MUL_C(COEF_CONST((-0.9987954562051724)), f113);
- f116 = MUL_C(COEF_CONST((-0.9497277818777548)), x[31]);
+ f114 = MUL_C(x[1], COEF_CONST(1.0478631305325901));
+ f115 = MUL_F(f113, FRAC_CONST((-0.9987954562051724)));
+ f116 = MUL_F(x[31], FRAC_CONST((-0.9497277818777548)));
f117 = f114 + f115;
f118 = f116 - f115;
f119 = x[5] + x[27];
- f120 = MUL_C(COEF_CONST(1.2130114330978077), x[5]);
- f121 = MUL_C(COEF_CONST((-0.9700312531945440)), f119);
- f122 = MUL_C(COEF_CONST((-0.7270510732912803)), x[27]);
+ f120 = MUL_C(x[5], COEF_CONST(1.2130114330978077));
+ f121 = MUL_F(f119, FRAC_CONST((-0.9700312531945440)));
+ f122 = MUL_F(x[27], FRAC_CONST((-0.7270510732912803)));
f123 = f120 + f121;
f124 = f122 - f121;
f125 = x[9] + x[23];
- f126 = MUL_C(COEF_CONST(1.3315443865537255), x[9]);
- f127 = MUL_C(COEF_CONST((-0.9039892931234433)), f125);
- f128 = MUL_C(COEF_CONST((-0.4764341996931612)), x[23]);
+ f126 = MUL_C(x[9], COEF_CONST(1.3315443865537255));
+ f127 = MUL_F(f125, FRAC_CONST((-0.9039892931234433)));
+ f128 = MUL_F(x[23], FRAC_CONST((-0.4764341996931612)));
f129 = f126 + f127;
f130 = f128 - f127;
f131 = x[13] + x[19];
- f132 = MUL_C(COEF_CONST(1.3989068359730781), x[13]);
- f133 = MUL_C(COEF_CONST((-0.8032075314806453)), f131);
- f134 = MUL_C(COEF_CONST((-0.2075082269882124)), x[19]);
+ f132 = MUL_C(x[13], COEF_CONST(1.3989068359730781));
+ f133 = MUL_F(f131, FRAC_CONST((-0.8032075314806453)));
+ f134 = MUL_F(x[19], FRAC_CONST((-0.2075082269882124)));
f135 = f132 + f133;
f136 = f134 - f133;
f137 = x[17] + x[15];
- f138 = MUL_C(COEF_CONST(1.4125100802019777), x[17]);
- f139 = MUL_C(COEF_CONST((-0.6715589548470187)), f137);
- f140 = MUL_C(COEF_CONST(0.0693921705079402), x[15]);
+ f138 = MUL_C(x[17], COEF_CONST(1.4125100802019777));
+ f139 = MUL_F(f137, FRAC_CONST((-0.6715589548470187)));
+ f140 = MUL_F(x[15], FRAC_CONST(0.0693921705079402));
f141 = f138 + f139;
f142 = f140 - f139;
f143 = x[21] + x[11];
- f144 = MUL_C(COEF_CONST(1.3718313541934939), x[21]);
- f145 = MUL_C(COEF_CONST((-0.5141027441932219)), f143);
- f146 = MUL_C(COEF_CONST(0.3436258658070501), x[11]);
+ f144 = MUL_C(x[21], COEF_CONST(1.3718313541934939));
+ f145 = MUL_F(f143, FRAC_CONST((-0.5141027441932219)));
+ f146 = MUL_F(x[11], FRAC_CONST(0.3436258658070501));
f147 = f144 + f145;
f148 = f146 - f145;
f149 = x[25] + x[7];
- f150 = MUL_C(COEF_CONST(1.2784339185752409), x[25]);
- f151 = MUL_C(COEF_CONST((-0.3368898533922200)), f149);
- f152 = MUL_C(COEF_CONST(0.6046542117908008), x[7]);
+ f150 = MUL_C(x[25], COEF_CONST(1.2784339185752409));
+ f151 = MUL_F(f149, FRAC_CONST((-0.3368898533922200)));
+ f152 = MUL_F(x[7], FRAC_CONST(0.6046542117908008));
f153 = f150 + f151;
f154 = f152 - f151;
f155 = x[29] + x[3];
- f156 = MUL_C(COEF_CONST(1.1359069844201433), x[29]);
- f157 = MUL_C(COEF_CONST((-0.1467304744553624)), f155);
- f158 = MUL_C(COEF_CONST(0.8424460355094185), x[3]);
+ f156 = MUL_C(x[29], COEF_CONST(1.1359069844201433));
+ f157 = MUL_F(f155, FRAC_CONST((-0.1467304744553624)));
+ f158 = MUL_F(x[3], FRAC_CONST(0.8424460355094185));
f159 = f156 + f157;
f160 = f158 - f157;
f161 = f118 - f142;
@@ -248,27 +998,27 @@ void DCT3_32_unscaled(real_t *y, real_t *x)
f175 = f135 - f159;
f176 = f135 + f159;
f177 = f161 + f163;
- f178 = MUL_C(COEF_CONST(1.1758756024193588), f161);
- f179 = MUL_C(COEF_CONST((-0.9807852804032304)), f177);
- f180 = MUL_C(COEF_CONST((-0.7856949583871021)), f163);
+ f178 = MUL_C(f161, COEF_CONST(1.1758756024193588));
+ f179 = MUL_F(f177, FRAC_CONST((-0.9807852804032304)));
+ f180 = MUL_F(f163, FRAC_CONST((-0.7856949583871021)));
f181 = f178 + f179;
f182 = f180 - f179;
f183 = f165 + f167;
- f184 = MUL_C(COEF_CONST(1.3870398453221475), f165);
- f185 = MUL_C(COEF_CONST((-0.5555702330196022)), f183);
- f186 = MUL_C(COEF_CONST(0.2758993792829431), f167);
+ f184 = MUL_C(f165, COEF_CONST(1.3870398453221475));
+ f185 = MUL_F(f183, FRAC_CONST((-0.5555702330196022)));
+ f186 = MUL_F(f167, FRAC_CONST(0.2758993792829431));
f187 = f184 + f185;
f188 = f186 - f185;
f189 = f169 + f171;
- f190 = MUL_C(COEF_CONST(0.7856949583871022), f169);
- f191 = MUL_C(COEF_CONST(0.1950903220161283), f189);
- f192 = MUL_C(COEF_CONST(1.1758756024193586), f171);
+ f190 = MUL_F(f169, FRAC_CONST(0.7856949583871022));
+ f191 = MUL_F(f189, FRAC_CONST(0.1950903220161283));
+ f192 = MUL_C(f171, COEF_CONST(1.1758756024193586));
f193 = f190 + f191;
f194 = f192 - f191;
f195 = f173 + f175;
- f196 = MUL_C(COEF_CONST((-0.2758993792829430)), f173);
- f197 = MUL_C(COEF_CONST(0.8314696123025452), f195);
- f198 = MUL_C(COEF_CONST(1.3870398453221475), f175);
+ f196 = MUL_F(f173, FRAC_CONST((-0.2758993792829430)));
+ f197 = MUL_F(f195, FRAC_CONST(0.8314696123025452));
+ f198 = MUL_C(f175, COEF_CONST(1.3870398453221475));
f199 = f196 + f197;
f200 = f198 - f197;
f201 = f162 - f170;
@@ -288,27 +1038,27 @@ void DCT3_32_unscaled(real_t *y, real_t *x)
f215 = f187 - f199;
f216 = f187 + f199;
f217 = f201 + f203;
- f218 = MUL_C(COEF_CONST(1.3065629648763766), f201);
- f219 = MUL_C(COEF_CONST((-0.9238795325112866)), f217);
- f220 = MUL_C(COEF_CONST((-0.5411961001461967)), f203);
+ f218 = MUL_C(f201, COEF_CONST(1.3065629648763766));
+ f219 = MUL_F(f217, FRAC_CONST((-0.9238795325112866)));
+ f220 = MUL_F(f203, FRAC_CONST((-0.5411961001461967)));
f221 = f218 + f219;
f222 = f220 - f219;
f223 = f205 + f207;
- f224 = MUL_C(COEF_CONST(0.5411961001461969), f205);
- f225 = MUL_C(COEF_CONST(0.3826834323650898), f223);
- f226 = MUL_C(COEF_CONST(1.3065629648763766), f207);
+ f224 = MUL_F(f205, FRAC_CONST(0.5411961001461969));
+ f225 = MUL_F(f223, FRAC_CONST(0.3826834323650898));
+ f226 = MUL_C(f207, COEF_CONST(1.3065629648763766));
f227 = f224 + f225;
f228 = f226 - f225;
f229 = f209 + f211;
- f230 = MUL_C(COEF_CONST(1.3065629648763766), f209);
- f231 = MUL_C(COEF_CONST((-0.9238795325112866)), f229);
- f232 = MUL_C(COEF_CONST((-0.5411961001461967)), f211);
+ f230 = MUL_C(f209, COEF_CONST(1.3065629648763766));
+ f231 = MUL_F(f229, FRAC_CONST((-0.9238795325112866)));
+ f232 = MUL_F(f211, FRAC_CONST((-0.5411961001461967)));
f233 = f230 + f231;
f234 = f232 - f231;
f235 = f213 + f215;
- f236 = MUL_C(COEF_CONST(0.5411961001461969), f213);
- f237 = MUL_C(COEF_CONST(0.3826834323650898), f235);
- f238 = MUL_C(COEF_CONST(1.3065629648763766), f215);
+ f236 = MUL_F(f213, FRAC_CONST(0.5411961001461969));
+ f237 = MUL_F(f235, FRAC_CONST(0.3826834323650898));
+ f238 = MUL_C(f215, COEF_CONST(1.3065629648763766));
f239 = f236 + f237;
f240 = f238 - f237;
f241 = f202 - f206;
@@ -329,20 +1079,20 @@ void DCT3_32_unscaled(real_t *y, real_t *x)
f256 = f233 + f239;
f257 = f241 - f243;
f258 = f241 + f243;
- f259 = MUL_C(COEF_CONST(0.7071067811865474), f257);
- f260 = MUL_C(COEF_CONST(0.7071067811865474), f258);
+ f259 = MUL_F(f257, FRAC_CONST(0.7071067811865474));
+ f260 = MUL_F(f258, FRAC_CONST(0.7071067811865474));
f261 = f245 - f247;
f262 = f245 + f247;
- f263 = MUL_C(COEF_CONST(0.7071067811865474), f261);
- f264 = MUL_C(COEF_CONST(0.7071067811865474), f262);
+ f263 = MUL_F(f261, FRAC_CONST(0.7071067811865474));
+ f264 = MUL_F(f262, FRAC_CONST(0.7071067811865474));
f265 = f249 - f251;
f266 = f249 + f251;
- f267 = MUL_C(COEF_CONST(0.7071067811865474), f265);
- f268 = MUL_C(COEF_CONST(0.7071067811865474), f266);
+ f267 = MUL_F(f265, FRAC_CONST(0.7071067811865474));
+ f268 = MUL_F(f266, FRAC_CONST(0.7071067811865474));
f269 = f253 - f255;
f270 = f253 + f255;
- f271 = MUL_C(COEF_CONST(0.7071067811865474), f269);
- f272 = MUL_C(COEF_CONST(0.7071067811865474), f270);
+ f271 = MUL_F(f269, FRAC_CONST(0.7071067811865474));
+ f272 = MUL_F(f270, FRAC_CONST(0.7071067811865474));
y[31] = f98 - f242;
y[0] = f98 + f242;
y[30] = f100 - f250;
@@ -377,22 +1127,21 @@ void DCT3_32_unscaled(real_t *y, real_t *x)
y[15] = f97 + f244;
}
-void DCT2_64_unscaled(real_t *y, real_t *x)
+void DCT2_32_unscaled(real_t *y, real_t *x)
{
- int16_t i0;
- real_t f2, f3, f4, f5, f6, f7, f8, f9, f10;
+ real_t f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10;
real_t f11, f12, f13, f14, f15, f16, f17, f18, f19, f20;
real_t f21, f22, f23, f24, f25, f26, f27, f28, f29, f30;
real_t f31, f32, f33, f34, f35, f36, f37, f38, f39, f40;
real_t f41, f42, f43, f44, f45, f46, f47, f48, f49, f50;
real_t f51, f52, f53, f54, f55, f56, f57, f58, f59, f60;
- real_t f61, f62, f65, f66, f67, f68, f71, f72, f73, f74;
- real_t f75, f76, f77, f78, f79, f80, f81, f82, f83, f85;
- real_t f87, f88, f91, f92, f93, f94, f95, f96, f97, f98;
+ real_t f63, f64, f65, f66, f69, f70, f71, f72, f73, f74;
+ real_t f75, f76, f77, f78, f79, f80, f81, f83, f85, f86;
+ real_t f89, f90, f91, f92, f93, f94, f95, f96, f97, f98;
real_t f99, f100, f101, f102, f103, f104, f105, f106, f107, f108;
real_t f109, f110, f111, f112, f113, f114, f115, f116, f117, f118;
- real_t f119, f120, f121, f122, f123, f124, f125, f126, f129, f130;
- real_t f131, f132, f135, f136, f137, f138, f141, f142, f143, f144;
+ real_t f119, f120, f121, f122, f123, f124, f127, f128, f129, f130;
+ real_t f133, f134, f135, f136, f139, f140, f141, f142, f145, f146;
real_t f147, f148, f149, f150, f151, f152, f153, f154, f155, f156;
real_t f157, f158, f159, f160, f161, f162, f163, f164, f165, f166;
real_t f167, f168, f169, f170, f171, f172, f173, f174, f175, f176;
@@ -402,2410 +1151,1121 @@ void DCT2_64_unscaled(real_t *y, real_t *x)
real_t f207, f208, f209, f210, f211, f212, f213, f214, f215, f216;
real_t f217, f218, f219, f220, f221, f222, f223, f224, f225, f226;
real_t f227, f228, f229, f230, f231, f232, f233, f234, f235, f236;
- real_t f237, f238, f239, f240, f241, f242, f243, f244, f245, f246;
- real_t f247, f248, f249, f250, f251, f252, f253, f254, f255, f256;
- real_t f257, f258, f259, f260, f261, f262, f265, f266, f267, f268;
- real_t f271, f272, f273, f274, f277, f278, f279, f280, f283, f284;
- real_t f285, f286, f289, f290, f291, f292, f295, f296, f297, f298;
- real_t f301, f302, f303, f304, f307, f308, f309, f310, f311, f312;
- real_t f313, f314, f315, f316, f317, f318, f319, f320, f321, f322;
- real_t f323, f324, f325, f326, f327, f328, f329, f330, f331, f332;
- real_t f333, f334, f335, f336, f337, f338, f339, f340, f341, f342;
- real_t f343, f344, f345, f346, f347, f348, f349, f350, f351, f352;
- real_t f353, f354, f355, f356, f357, f358, f359, f360, f361, f362;
- real_t f363, f364, f365, f366, f367, f368, f369, f370, f371, f372;
- real_t f373, f374, f375, f376, f377, f378, f379, f380, f381, f382;
- real_t f383, f384, f385, f386, f387, f388, f389, f390, f391, f392;
- real_t f393, f394, f395, f396, f397, f398, f399, f400, f401, f402;
- real_t f403, f404, f405, f406, f407, f408, f409, f410, f411, f412;
- real_t f413, f414, f415, f416, f417, f418, f419, f420, f421, f422;
- real_t f423, f424, f425, f426, f427, f428, f429, f430, f431, f433;
- real_t f434, f435, f436, f437, f438, f439, f440, f441, f442, f443;
- real_t f444, f445, f446, f447, f448, f449, f450, f451, f452, f453;
- real_t f454, f455, f456, f457, f458, f459, f460, f461, f462, f463;
- real_t f464, f465, f466, f467, f468, f469, f470, f471, f472, f473;
- real_t f474, f475, f476, f477, f478, f479, f480, f481, f482, f483;
- real_t f484, f485, f486, f487, f488, f489, f490, f491, f492, f493;
- real_t f494, f495, f496, f497, f498, f499, f500, f501, f502, f503;
- real_t f504, f505, f506, f507, f508, f509, f510, f511, f512, f513;
- real_t f514, f515, f516, f517, f518, f519, f520, f521, f522, f523;
- real_t f524, f525, f526, f527, f528, f529, f530, f531, f532, f533;
- real_t f534, f535, f536, f537, f538, f539, f540, f541, f542, f543;
- real_t f544, f546, f547, f548, f549, f550, f551, f552, f553, f554;
- real_t f555, f556, f557, f558, f559, f560, f561, f562, f563, f564;
- real_t f565, f566, f567, f568, f569, f570, f571, f572, f573, f574;
- real_t f575, f576, f577, f578, f579, f580, f581, f582, f583, f584;
- real_t f585, f586, f587, f588, f589, f590, f591, f592, f593, f594;
- real_t f595, f596, f597, f598, f599, f600, f601, f602, f603, f604;
- real_t f605, f606, f607, f608, f609, f610, f611, f612, f613, f614;
- real_t f615, f616, f617, f618, f619, f620, f621, f622, f623, f624;
- real_t f625, f626, f627, f628;
- ALIGN static real_t t2[64];
-
- for (i0=0; i0<32; i0++)
- {
- t2[2*i0+1] = x[i0] - x[-i0+63];
- t2[2*i0] = x[i0] + x[-i0+63];
- }
- f2 = t2[0] - t2[62];
- f3 = t2[0] + t2[62];
- f4 = t2[2] - t2[60];
- f5 = t2[2] + t2[60];
- f6 = t2[4] - t2[58];
- f7 = t2[4] + t2[58];
- f8 = t2[6] - t2[56];
- f9 = t2[6] + t2[56];
- f10 = t2[8] - t2[54];
- f11 = t2[8] + t2[54];
- f12 = t2[10] - t2[52];
- f13 = t2[10] + t2[52];
- f14 = t2[12] - t2[50];
- f15 = t2[12] + t2[50];
- f16 = t2[14] - t2[48];
- f17 = t2[14] + t2[48];
- f18 = t2[16] - t2[46];
- f19 = t2[16] + t2[46];
- f20 = t2[18] - t2[44];
- f21 = t2[18] + t2[44];
- f22 = t2[20] - t2[42];
- f23 = t2[20] + t2[42];
- f24 = t2[22] - t2[40];
- f25 = t2[22] + t2[40];
- f26 = t2[24] - t2[38];
- f27 = t2[24] + t2[38];
- f28 = t2[26] - t2[36];
- f29 = t2[26] + t2[36];
- f30 = t2[28] - t2[34];
- f31 = t2[28] + t2[34];
- f32 = t2[30] - t2[32];
- f33 = t2[30] + t2[32];
- f34 = f3 - f33;
- f35 = f3 + f33;
- f36 = f5 - f31;
- f37 = f5 + f31;
- f38 = f7 - f29;
- f39 = f7 + f29;
- f40 = f9 - f27;
- f41 = f9 + f27;
- f42 = f11 - f25;
- f43 = f11 + f25;
- f44 = f13 - f23;
- f45 = f13 + f23;
- f46 = f15 - f21;
- f47 = f15 + f21;
- f48 = f17 - f19;
- f49 = f17 + f19;
- f50 = f35 - f49;
- f51 = f35 + f49;
- f52 = f37 - f47;
- f53 = f37 + f47;
- f54 = f39 - f45;
- f55 = f39 + f45;
- f56 = f41 - f43;
- f57 = f41 + f43;
- f58 = f51 - f57;
- f59 = f51 + f57;
- f60 = f53 - f55;
- f61 = f53 + f55;
- f62 = f59 - f61;
- y[0] = f59 + f61;
- y[32] = MUL_C(COEF_CONST(0.7071067811865476), f62);
- f65 = f58 + f60;
- f66 = MUL_C(COEF_CONST(1.3065629648763766), f58);
- f67 = MUL_C(COEF_CONST((-0.9238795325112866)), f65);
- f68 = MUL_C(COEF_CONST((-0.5411961001461967)), f60);
- y[48] = f66 + f67;
- y[16] = f68 - f67;
- f71 = f50 + f56;
- f72 = MUL_C(COEF_CONST(1.1758756024193588), f50);
- f73 = MUL_C(COEF_CONST((-0.9807852804032304)), f71);
- f74 = MUL_C(COEF_CONST((-0.7856949583871021)), f56);
- f75 = f72 + f73;
- f76 = f74 - f73;
- f77 = f52 + f54;
- f78 = MUL_C(COEF_CONST(1.3870398453221473), f52);
- f79 = MUL_C(COEF_CONST((-0.8314696123025455)), f77);
- f80 = MUL_C(COEF_CONST((-0.2758993792829436)), f54);
- f81 = f78 + f79;
- f82 = f80 - f79;
- f83 = f76 - f82;
- y[8] = f76 + f82;
- f85 = MUL_C(COEF_CONST(0.7071067811865476), f83);
- y[56] = f75 - f81;
- f87 = f75 + f81;
- f88 = MUL_C(COEF_CONST(0.7071067811865476), f87);
- y[40] = f85 - f88;
- y[24] = f85 + f88;
- f91 = f36 - f38;
- f92 = f36 + f38;
- f93 = f40 - f42;
- f94 = f40 + f42;
- f95 = f44 - f46;
- f96 = f44 + f46;
- f97 = MUL_C(COEF_CONST(0.7071067811865476), f94);
- f98 = f34 - f97;
- f99 = f34 + f97;
- f100 = f92 + f96;
- f101 = MUL_C(COEF_CONST(1.3065629648763766), f92);
- f102 = MUL_C(COEF_CONST((-0.9238795325112866)), f100);
- f103 = MUL_C(COEF_CONST((-0.5411961001461967)), f96);
- f104 = f101 + f102;
- f105 = f103 - f102;
- f106 = f99 - f105;
- f107 = f99 + f105;
- f108 = f98 - f104;
- f109 = f98 + f104;
- f110 = f91 + f95;
- f111 = MUL_C(COEF_CONST(1.3065629648763770), f91);
- f112 = MUL_C(COEF_CONST((-0.3826834323650904)), f110);
- f113 = MUL_C(COEF_CONST(0.5411961001461961), f95);
- f114 = f111 + f112;
- f115 = f113 - f112;
- f116 = MUL_C(COEF_CONST(0.7071067811865476), f93);
- f117 = f116 - f48;
- f118 = f116 + f48;
- f119 = f115 - f118;
- f120 = f115 + f118;
- f121 = f114 - f117;
- f122 = f114 + f117;
- f123 = f120 + f107;
- f124 = MUL_C(COEF_CONST((-0.8971675863426361)), f120);
- f125 = MUL_C(COEF_CONST(0.9951847266721968), f123);
- f126 = MUL_C(COEF_CONST(1.0932018670017576), f107);
- y[4] = f124 + f125;
- y[60] = f126 - f125;
- f129 = f122 + f109;
- f130 = MUL_C(COEF_CONST((-0.6666556584777466)), f122);
- f131 = MUL_C(COEF_CONST(0.9569403357322089), f129);
- f132 = MUL_C(COEF_CONST(1.2472250129866713), f109);
- y[12] = f130 + f131;
- y[52] = f132 - f131;
- f135 = f121 + f108;
- f136 = MUL_C(COEF_CONST((-0.4105245275223571)), f121);
- f137 = MUL_C(COEF_CONST(0.8819212643483549), f135);
- f138 = MUL_C(COEF_CONST(1.3533180011743529), f108);
- y[20] = f136 + f137;
- y[44] = f138 - f137;
- f141 = f119 + f106;
- f142 = MUL_C(COEF_CONST((-0.1386171691990915)), f119);
- f143 = MUL_C(COEF_CONST(0.7730104533627370), f141);
- f144 = MUL_C(COEF_CONST(1.4074037375263826), f106);
- y[28] = f142 + f143;
- y[36] = f144 - f143;
- f147 = f16 - f18;
- f148 = f16 + f18;
- f149 = MUL_C(COEF_CONST(0.7071067811865476), f148);
- f150 = MUL_C(COEF_CONST(0.7071067811865476), f147);
- f151 = f10 - f24;
- f152 = f10 + f24;
- f153 = MUL_C(COEF_CONST(0.7071067811865476), f152);
- f154 = MUL_C(COEF_CONST(0.7071067811865476), f151);
- f155 = f14 - f20;
- f156 = f14 + f20;
- f157 = MUL_C(COEF_CONST(0.7071067811865476), f156);
- f158 = MUL_C(COEF_CONST(0.7071067811865476), f155);
- f159 = f12 - f22;
- f160 = f12 + f22;
- f161 = MUL_C(COEF_CONST(0.7071067811865476), f160);
- f162 = MUL_C(COEF_CONST(0.7071067811865476), f159);
- f163 = f2 - f149;
- f164 = f2 + f149;
- f165 = f32 - f150;
- f166 = f32 + f150;
- f167 = f8 - f153;
- f168 = f8 + f153;
- f169 = f26 - f154;
- f170 = f26 + f154;
- f171 = f4 - f157;
- f172 = f4 + f157;
- f173 = f30 - f158;
- f174 = f30 + f158;
- f175 = f6 - f161;
- f176 = f6 + f161;
- f177 = f28 - f162;
- f178 = f28 + f162;
- f179 = f170 + f168;
- f180 = MUL_C(COEF_CONST((-0.5411961001461969)), f170);
- f181 = MUL_C(COEF_CONST(0.9238795325112867), f179);
- f182 = MUL_C(COEF_CONST(1.3065629648763766), f168);
- f183 = f180 + f181;
- f184 = f182 - f181;
- f185 = f169 + f167;
- f186 = MUL_C(COEF_CONST(1.3065629648763770), f169);
- f187 = MUL_C(COEF_CONST((-0.3826834323650904)), f185);
- f188 = MUL_C(COEF_CONST(0.5411961001461961), f167);
- f189 = f186 + f187;
- f190 = f188 - f187;
- f191 = f178 + f176;
- f192 = MUL_C(COEF_CONST((-0.5411961001461969)), f178);
- f193 = MUL_C(COEF_CONST(0.9238795325112867), f191);
- f194 = MUL_C(COEF_CONST(1.3065629648763766), f176);
- f195 = f192 + f193;
- f196 = f194 - f193;
- f197 = f177 + f175;
- f198 = MUL_C(COEF_CONST(1.3065629648763770), f177);
- f199 = MUL_C(COEF_CONST((-0.3826834323650904)), f197);
- f200 = MUL_C(COEF_CONST(0.5411961001461961), f175);
- f201 = f198 + f199;
- f202 = f200 - f199;
- f203 = f164 - f183;
- f204 = f164 + f183;
- f205 = f166 - f184;
- f206 = f166 + f184;
- f207 = f163 - f189;
- f208 = f163 + f189;
- f209 = f165 - f190;
- f210 = f165 + f190;
- f211 = f172 - f195;
- f212 = f172 + f195;
- f213 = f174 - f196;
- f214 = f174 + f196;
- f215 = f171 - f201;
- f216 = f171 + f201;
- f217 = f173 - f202;
- f218 = f173 + f202;
- f219 = f214 + f212;
- f220 = MUL_C(COEF_CONST((-0.7856949583871021)), f214);
- f221 = MUL_C(COEF_CONST(0.9807852804032304), f219);
- f222 = MUL_C(COEF_CONST(1.1758756024193588), f212);
+ real_t f237, f238, f239, f240, f241, f242, f243, f244, f247, f248;
+ real_t f249, f250, f253, f254, f255, f256, f259, f260, f261, f262;
+ real_t f265, f266, f267, f268, f271, f272, f273, f274, f277, f278;
+ real_t f279, f280, f283, f284, f285, f286;
+
+ f0 = x[0] - x[31];
+ f1 = x[0] + x[31];
+ f2 = x[1] - x[30];
+ f3 = x[1] + x[30];
+ f4 = x[2] - x[29];
+ f5 = x[2] + x[29];
+ f6 = x[3] - x[28];
+ f7 = x[3] + x[28];
+ f8 = x[4] - x[27];
+ f9 = x[4] + x[27];
+ f10 = x[5] - x[26];
+ f11 = x[5] + x[26];
+ f12 = x[6] - x[25];
+ f13 = x[6] + x[25];
+ f14 = x[7] - x[24];
+ f15 = x[7] + x[24];
+ f16 = x[8] - x[23];
+ f17 = x[8] + x[23];
+ f18 = x[9] - x[22];
+ f19 = x[9] + x[22];
+ f20 = x[10] - x[21];
+ f21 = x[10] + x[21];
+ f22 = x[11] - x[20];
+ f23 = x[11] + x[20];
+ f24 = x[12] - x[19];
+ f25 = x[12] + x[19];
+ f26 = x[13] - x[18];
+ f27 = x[13] + x[18];
+ f28 = x[14] - x[17];
+ f29 = x[14] + x[17];
+ f30 = x[15] - x[16];
+ f31 = x[15] + x[16];
+ f32 = f1 - f31;
+ f33 = f1 + f31;
+ f34 = f3 - f29;
+ f35 = f3 + f29;
+ f36 = f5 - f27;
+ f37 = f5 + f27;
+ f38 = f7 - f25;
+ f39 = f7 + f25;
+ f40 = f9 - f23;
+ f41 = f9 + f23;
+ f42 = f11 - f21;
+ f43 = f11 + f21;
+ f44 = f13 - f19;
+ f45 = f13 + f19;
+ f46 = f15 - f17;
+ f47 = f15 + f17;
+ f48 = f33 - f47;
+ f49 = f33 + f47;
+ f50 = f35 - f45;
+ f51 = f35 + f45;
+ f52 = f37 - f43;
+ f53 = f37 + f43;
+ f54 = f39 - f41;
+ f55 = f39 + f41;
+ f56 = f49 - f55;
+ f57 = f49 + f55;
+ f58 = f51 - f53;
+ f59 = f51 + f53;
+ f60 = f57 - f59;
+ y[0] = f57 + f59;
+ y[16] = MUL_F(FRAC_CONST(0.7071067811865476), f60);
+ f63 = f56 + f58;
+ f64 = MUL_C(COEF_CONST(1.3065629648763766), f56);
+ f65 = MUL_F(FRAC_CONST(-0.9238795325112866), f63);
+ f66 = MUL_F(FRAC_CONST(-0.5411961001461967), f58);
+ y[24] = f64 + f65;
+ y[8] = f66 - f65;
+ f69 = f48 + f54;
+ f70 = MUL_C(COEF_CONST(1.1758756024193588), f48);
+ f71 = MUL_F(FRAC_CONST(-0.9807852804032304), f69);
+ f72 = MUL_F(FRAC_CONST(-0.7856949583871021), f54);
+ f73 = f70 + f71;
+ f74 = f72 - f71;
+ f75 = f50 + f52;
+ f76 = MUL_C(COEF_CONST(1.3870398453221473), f50);
+ f77 = MUL_F(FRAC_CONST(-0.8314696123025455), f75);
+ f78 = MUL_F(FRAC_CONST(-0.2758993792829436), f52);
+ f79 = f76 + f77;
+ f80 = f78 - f77;
+ f81 = f74 - f80;
+ y[4] = f74 + f80;
+ f83 = MUL_F(FRAC_CONST(0.7071067811865476), f81);
+ y[28] = f73 - f79;
+ f85 = f73 + f79;
+ f86 = MUL_F(FRAC_CONST(0.7071067811865476), f85);
+ y[20] = f83 - f86;
+ y[12] = f83 + f86;
+ f89 = f34 - f36;
+ f90 = f34 + f36;
+ f91 = f38 - f40;
+ f92 = f38 + f40;
+ f93 = f42 - f44;
+ f94 = f42 + f44;
+ f95 = MUL_F(FRAC_CONST(0.7071067811865476), f92);
+ f96 = f32 - f95;
+ f97 = f32 + f95;
+ f98 = f90 + f94;
+ f99 = MUL_C(COEF_CONST(1.3065629648763766), f90);
+ f100 = MUL_F(FRAC_CONST(-0.9238795325112866), f98);
+ f101 = MUL_F(FRAC_CONST(-0.5411961001461967), f94);
+ f102 = f99 + f100;
+ f103 = f101 - f100;
+ f104 = f97 - f103;
+ f105 = f97 + f103;
+ f106 = f96 - f102;
+ f107 = f96 + f102;
+ f108 = MUL_F(FRAC_CONST(0.7071067811865476), f91);
+ f109 = f46 - f108;
+ f110 = f46 + f108;
+ f111 = f93 + f89;
+ f112 = MUL_C(COEF_CONST(1.3065629648763766), f93);
+ f113 = MUL_F(FRAC_CONST(-0.9238795325112866), f111);
+ f114 = MUL_F(FRAC_CONST(-0.5411961001461967), f89);
+ f115 = f112 + f113;
+ f116 = f114 - f113;
+ f117 = f110 - f116;
+ f118 = f110 + f116;
+ f119 = f109 - f115;
+ f120 = f109 + f115;
+ f121 = f118 + f105;
+ f122 = MUL_F(FRAC_CONST(-0.8971675863426361), f118);
+ f123 = MUL_F(FRAC_CONST(0.9951847266721968), f121);
+ f124 = MUL_C(COEF_CONST(1.0932018670017576), f105);
+ y[2] = f122 + f123;
+ y[30] = f124 - f123;
+ f127 = f107 - f120;
+ f128 = MUL_F(FRAC_CONST(-0.6666556584777466), f120);
+ f129 = MUL_F(FRAC_CONST(0.9569403357322089), f127);
+ f130 = MUL_C(COEF_CONST(1.2472250129866713), f107);
+ y[6] = f129 - f128;
+ y[26] = f130 - f129;
+ f133 = f119 + f106;
+ f134 = MUL_F(FRAC_CONST(-0.4105245275223571), f119);
+ f135 = MUL_F(FRAC_CONST(0.8819212643483549), f133);
+ f136 = MUL_C(COEF_CONST(1.3533180011743529), f106);
+ y[10] = f134 + f135;
+ y[22] = f136 - f135;
+ f139 = f104 - f117;
+ f140 = MUL_F(FRAC_CONST(-0.1386171691990915), f117);
+ f141 = MUL_F(FRAC_CONST(0.7730104533627370), f139);
+ f142 = MUL_C(COEF_CONST(1.4074037375263826), f104);
+ y[14] = f141 - f140;
+ y[18] = f142 - f141;
+ f145 = f2 - f4;
+ f146 = f2 + f4;
+ f147 = f6 - f8;
+ f148 = f6 + f8;
+ f149 = f10 - f12;
+ f150 = f10 + f12;
+ f151 = f14 - f16;
+ f152 = f14 + f16;
+ f153 = f18 - f20;
+ f154 = f18 + f20;
+ f155 = f22 - f24;
+ f156 = f22 + f24;
+ f157 = f26 - f28;
+ f158 = f26 + f28;
+ f159 = MUL_F(FRAC_CONST(0.7071067811865476), f152);
+ f160 = f0 - f159;
+ f161 = f0 + f159;
+ f162 = f148 + f156;
+ f163 = MUL_C(COEF_CONST(1.3065629648763766), f148);
+ f164 = MUL_F(FRAC_CONST(-0.9238795325112866), f162);
+ f165 = MUL_F(FRAC_CONST(-0.5411961001461967), f156);
+ f166 = f163 + f164;
+ f167 = f165 - f164;
+ f168 = f161 - f167;
+ f169 = f161 + f167;
+ f170 = f160 - f166;
+ f171 = f160 + f166;
+ f172 = f146 + f158;
+ f173 = MUL_C(COEF_CONST(1.1758756024193588), f146);
+ f174 = MUL_F(FRAC_CONST(-0.9807852804032304), f172);
+ f175 = MUL_F(FRAC_CONST(-0.7856949583871021), f158);
+ f176 = f173 + f174;
+ f177 = f175 - f174;
+ f178 = f150 + f154;
+ f179 = MUL_C(COEF_CONST(1.3870398453221473), f150);
+ f180 = MUL_F(FRAC_CONST(-0.8314696123025455), f178);
+ f181 = MUL_F(FRAC_CONST(-0.2758993792829436), f154);
+ f182 = f179 + f180;
+ f183 = f181 - f180;
+ f184 = f177 - f183;
+ f185 = f177 + f183;
+ f186 = MUL_F(FRAC_CONST(0.7071067811865476), f184);
+ f187 = f176 - f182;
+ f188 = f176 + f182;
+ f189 = MUL_F(FRAC_CONST(0.7071067811865476), f188);
+ f190 = f186 - f189;
+ f191 = f186 + f189;
+ f192 = f169 - f185;
+ f193 = f169 + f185;
+ f194 = f171 - f191;
+ f195 = f171 + f191;
+ f196 = f170 - f190;
+ f197 = f170 + f190;
+ f198 = f168 - f187;
+ f199 = f168 + f187;
+ f200 = MUL_F(FRAC_CONST(0.7071067811865476), f151);
+ f201 = f30 - f200;
+ f202 = f30 + f200;
+ f203 = f155 + f147;
+ f204 = MUL_C(COEF_CONST(1.3065629648763766), f155);
+ f205 = MUL_F(FRAC_CONST(-0.9238795325112866), f203);
+ f206 = MUL_F(FRAC_CONST(-0.5411961001461967), f147);
+ f207 = f204 + f205;
+ f208 = f206 - f205;
+ f209 = f202 - f208;
+ f210 = f202 + f208;
+ f211 = f201 - f207;
+ f212 = f201 + f207;
+ f213 = f157 + f145;
+ f214 = MUL_C(COEF_CONST(1.1758756024193588), f157);
+ f215 = MUL_F(FRAC_CONST(-0.9807852804032304), f213);
+ f216 = MUL_F(FRAC_CONST(-0.7856949583871021), f145);
+ f217 = f214 + f215;
+ f218 = f216 - f215;
+ f219 = f153 + f149;
+ f220 = MUL_C(COEF_CONST(1.3870398453221473), f153);
+ f221 = MUL_F(FRAC_CONST(-0.8314696123025455), f219);
+ f222 = MUL_F(FRAC_CONST(-0.2758993792829436), f149);
f223 = f220 + f221;
f224 = f222 - f221;
- f225 = f218 + f216;
- f226 = MUL_C(COEF_CONST(0.2758993792829431), f218);
- f227 = MUL_C(COEF_CONST(0.5555702330196022), f225);
- f228 = MUL_C(COEF_CONST(1.3870398453221475), f216);
- f229 = f226 + f227;
- f230 = f228 - f227;
- f231 = f213 + f211;
- f232 = MUL_C(COEF_CONST(1.1758756024193591), f213);
- f233 = MUL_C(COEF_CONST((-0.1950903220161287)), f231);
- f234 = MUL_C(COEF_CONST(0.7856949583871016), f211);
- f235 = f232 + f233;
- f236 = f234 - f233;
- f237 = f217 + f215;
- f238 = MUL_C(COEF_CONST(1.3870398453221473), f217);
- f239 = MUL_C(COEF_CONST((-0.8314696123025455)), f237);
- f240 = MUL_C(COEF_CONST((-0.2758993792829436)), f215);
- f241 = f238 + f239;
- f242 = f240 - f239;
- f243 = f204 - f223;
- f244 = f204 + f223;
- f245 = f206 - f224;
- f246 = f206 + f224;
- f247 = f208 - f229;
- f248 = f208 + f229;
- f249 = f210 - f230;
- f250 = f210 + f230;
- f251 = f203 - f235;
- f252 = f203 + f235;
- f253 = f205 - f236;
- f254 = f205 + f236;
- f255 = f207 - f241;
- f256 = f207 + f241;
- f257 = f209 - f242;
- f258 = f209 + f242;
- f259 = f246 + f244;
- f260 = MUL_C(COEF_CONST((-0.9497277818777543)), f246);
- f261 = MUL_C(COEF_CONST(0.9987954562051724), f259);
- f262 = MUL_C(COEF_CONST(1.0478631305325905), f244);
- y[2] = f260 + f261;
- y[62] = f262 - f261;
- f265 = f250 + f248;
- f266 = MUL_C(COEF_CONST((-0.7270510732912801)), f250);
- f267 = MUL_C(COEF_CONST(0.9700312531945440), f265);
- f268 = MUL_C(COEF_CONST(1.2130114330978079), f248);
- y[10] = f266 + f267;
- y[54] = f268 - f267;
- f271 = f254 + f252;
- f272 = MUL_C(COEF_CONST((-0.4764341996931611)), f254);
- f273 = MUL_C(COEF_CONST(0.9039892931234433), f271);
- f274 = MUL_C(COEF_CONST(1.3315443865537255), f252);
- y[18] = f272 + f273;
- y[46] = f274 - f273;
- f277 = f258 + f256;
- f278 = MUL_C(COEF_CONST((-0.2075082269882114)), f258);
- f279 = MUL_C(COEF_CONST(0.8032075314806448), f277);
- f280 = MUL_C(COEF_CONST(1.3989068359730783), f256);
- y[26] = f278 + f279;
- y[38] = f280 - f279;
- f283 = f245 + f243;
- f284 = MUL_C(COEF_CONST(0.0693921705079408), f245);
- f285 = MUL_C(COEF_CONST(0.6715589548470183), f283);
- f286 = MUL_C(COEF_CONST(1.4125100802019774), f243);
- y[34] = f284 + f285;
- y[30] = f286 - f285;
- f289 = f249 + f247;
- f290 = MUL_C(COEF_CONST(0.3436258658070505), f249);
- f291 = MUL_C(COEF_CONST(0.5141027441932217), f289);
- f292 = MUL_C(COEF_CONST(1.3718313541934939), f247);
- y[42] = f290 + f291;
- y[22] = f292 - f291;
- f295 = f253 + f251;
- f296 = MUL_C(COEF_CONST(0.6046542117908007), f253);
- f297 = MUL_C(COEF_CONST(0.3368898533922201), f295);
- f298 = MUL_C(COEF_CONST(1.2784339185752409), f251);
- y[50] = f296 + f297;
- y[14] = f298 - f297;
- f301 = f257 + f255;
- f302 = MUL_C(COEF_CONST(0.8424460355094192), f257);
- f303 = MUL_C(COEF_CONST(0.1467304744553618), f301);
- f304 = MUL_C(COEF_CONST(1.1359069844201428), f255);
- y[58] = f302 + f303;
- y[6] = f304 - f303;
- f307 = t2[1] + t2[63];
- f308 = MUL_C(COEF_CONST(1.0242400472191162), t2[1]);
- f309 = MUL_C(COEF_CONST((-0.9996988186962043)), f307);
- f310 = MUL_C(COEF_CONST((-0.9751575901732922)), t2[63]);
- f311 = f308 + f309;
- f312 = f310 - f309;
- f313 = t2[3] + t2[61];
- f314 = MUL_C(COEF_CONST(1.0708550202783571),t2[3]);
- f315 = MUL_C(COEF_CONST((-0.9972904566786902)), f313);
- f316 = MUL_C(COEF_CONST((-0.9237258930790232)), t2[61]);
- f317 = f314 + f315;
- f318 = f316 - f315;
- f319 = t2[5] + t2[59];
- f320 = MUL_C(COEF_CONST(1.1148902097979256), t2[5]);
- f321 = MUL_C(COEF_CONST((-0.9924795345987101)), f319);
- f322 = MUL_C(COEF_CONST((-0.8700688593994945)), t2[59]);
- f323 = f320 + f321;
- f324 = f322 - f321;
- f325 = t2[7] + t2[57];
- f326 = MUL_C(COEF_CONST(1.1562395311492426), t2[7]);
- f327 = MUL_C(COEF_CONST((-0.9852776423889412)), f325);
- f328 = MUL_C(COEF_CONST((-0.8143157536286398)), t2[57]);
- f329 = f326 + f327;
- f330 = f328 - f327;
- f331 = t2[9] + t2[55];
- f332 = MUL_C(COEF_CONST(1.1948033701953984), t2[9]);
- f333 = MUL_C(COEF_CONST((-0.9757021300385286)), f331);
- f334 = MUL_C(COEF_CONST((-0.7566008898816589)), t2[55]);
- f335 = f332 + f333;
- f336 = f334 - f333;
- f337 = t2[11] + t2[53];
- f338 = MUL_C(COEF_CONST(1.2304888232703382), t2[11]);
- f339 = MUL_C(COEF_CONST((-0.9637760657954400)), f337);
- f340 = MUL_C(COEF_CONST((-0.6970633083205418)), t2[53]);
- f341 = f338 + f339;
- f342 = f340 - f339;
- f343 = t2[13] + t2[51];
- f344 = MUL_C(COEF_CONST(1.2632099209919279), t2[13]);
- f345 = MUL_C(COEF_CONST((-0.9495281805930368)), f343);
- f346 = MUL_C(COEF_CONST((-0.6358464401941457)), t2[51]);
- f347 = f344 + f345;
- f348 = f346 - f345;
- f349 = t2[15] + t2[49];
- f350 = MUL_C(COEF_CONST(1.2928878353697266), t2[15]);
- f351 = MUL_C(COEF_CONST((-0.9329927988347391)), f349);
- f352 = MUL_C(COEF_CONST((-0.5730977622997515)), t2[49]);
- f353 = f350 + f351;
- f354 = f352 - f351;
- f355 = t2[17] + t2[47];
- f356 = MUL_C(COEF_CONST(1.3194510697085207), t2[17]);
- f357 = MUL_C(COEF_CONST((-0.9142097557035306)), f355);
- f358 = MUL_C(COEF_CONST((-0.5089684416985405)), t2[47]);
- f359 = f356 + f357;
- f360 = f358 - f357;
- f361 = t2[19] + t2[45];
- f362 = MUL_C(COEF_CONST(1.3428356308501219), t2[19]);
- f363 = MUL_C(COEF_CONST((-0.8932243011955153)), f361);
- f364 = MUL_C(COEF_CONST((-0.4436129715409087)), t2[45]);
- f365 = f362 + f363;
- f366 = f364 - f363;
- f367 = t2[21] + t2[43];
- f368 = MUL_C(COEF_CONST(1.3629851833384954), t2[21]);
- f369 = MUL_C(COEF_CONST((-0.8700869911087115)), f367);
- f370 = MUL_C(COEF_CONST((-0.3771887988789276)), t2[43]);
- f371 = f368 + f369;
- f372 = f370 - f369;
- f373 = t2[23] + t2[41];
- f374 = MUL_C(COEF_CONST(1.3798511851368040), t2[23]);
- f375 = MUL_C(COEF_CONST((-0.8448535652497072)), f373);
- f376 = MUL_C(COEF_CONST((-0.3098559453626103)), t2[41]);
- f377 = f374 + f375;
- f378 = f376 - f375;
- f379 = t2[25] + t2[39];
- f380 = MUL_C(COEF_CONST(1.3933930045694289), t2[25]);
- f381 = MUL_C(COEF_CONST((-0.8175848131515840)), f379);
- f382 = MUL_C(COEF_CONST((-0.2417766217337392)), t2[39]);
- f383 = f380 + f381;
- f384 = f382 - f381;
- f385 = t2[27] + t2[37];
- f386 = MUL_C(COEF_CONST(1.4035780182072330), t2[27]);
- f387 = MUL_C(COEF_CONST((-0.7883464276266061)), f385);
- f388 = MUL_C(COEF_CONST((-0.1731148370459791)), t2[37]);
- f389 = f386 + f387;
- f390 = f388 - f387;
- f391 = t2[29] + t2[35];
- f392 = MUL_C(COEF_CONST(1.4103816894602614), t2[29]);
- f393 = MUL_C(COEF_CONST((-0.7572088465064846)), f391);
- f394 = MUL_C(COEF_CONST((-0.1040360035527078)), t2[35]);
- f395 = f392 + f393;
- f396 = f394 - f393;
- f397 = t2[31] + t2[33];
- f398 = MUL_C(COEF_CONST(1.4137876276885337), t2[31]);
- f399 = MUL_C(COEF_CONST((-0.7242470829514670)), f397);
- f400 = MUL_C(COEF_CONST((-0.0347065382144002)), t2[33]);
- f401 = f398 + f399;
- f402 = f400 - f399;
- f403 = f312 - f402;
- f404 = f312 + f402;
- f405 = f318 - f396;
- f406 = f318 + f396;
- f407 = f324 - f390;
- f408 = f324 + f390;
- f409 = f330 - f384;
- f410 = f330 + f384;
- f411 = f336 - f378;
- f412 = f336 + f378;
- f413 = f342 - f372;
- f414 = f342 + f372;
- f415 = f348 - f366;
- f416 = f348 + f366;
- f417 = f354 - f360;
- f418 = f354 + f360;
- f419 = f404 - f418;
- f420 = f404 + f418;
- f421 = f406 - f416;
- f422 = f406 + f416;
- f423 = f408 - f414;
- f424 = f408 + f414;
- f425 = f410 - f412;
- f426 = f410 + f412;
- f427 = f420 - f426;
- f428 = f420 + f426;
- f429 = f422 - f424;
- f430 = f422 + f424;
- f431 = f428 - f430;
- y[1] = f428 + f430;
- f433 = MUL_C(COEF_CONST(0.7071067811865476), f431);
- f434 = f427 + f429;
- f435 = MUL_C(COEF_CONST(1.3065629648763766), f427);
- f436 = MUL_C(COEF_CONST((-0.9238795325112866)), f434);
- f437 = MUL_C(COEF_CONST((-0.5411961001461967)), f429);
- f438 = f435 + f436;
- f439 = f437 - f436;
- f440 = f419 + f425;
- f441 = MUL_C(COEF_CONST(1.1758756024193588), f419);
- f442 = MUL_C(COEF_CONST((-0.9807852804032304)), f440);
- f443 = MUL_C(COEF_CONST((-0.7856949583871021)), f425);
- f444 = f441 + f442;
- f445 = f443 - f442;
- f446 = f421 + f423;
- f447 = MUL_C(COEF_CONST(1.3870398453221473), f421);
- f448 = MUL_C(COEF_CONST((-0.8314696123025455)), f446);
- f449 = MUL_C(COEF_CONST((-0.2758993792829436)), f423);
- f450 = f447 + f448;
- f451 = f449 - f448;
- f452 = f445 - f451;
- f453 = f445 + f451;
- f454 = MUL_C(COEF_CONST(0.7071067811865476), f452);
- f455 = f444 - f450;
- f456 = f444 + f450;
- f457 = MUL_C(COEF_CONST(0.7071067811865476), f456);
- f458 = f454 - f457;
- f459 = f454 + f457;
- f460 = f405 - f407;
- f461 = f405 + f407;
- f462 = f409 - f411;
- f463 = f409 + f411;
- f464 = f413 - f415;
- f465 = f413 + f415;
- f466 = MUL_C(COEF_CONST(0.7071067811865476), f463);
- f467 = f403 - f466;
- f468 = f403 + f466;
- f469 = f461 + f465;
- f470 = MUL_C(COEF_CONST(1.3065629648763766), f461);
- f471 = MUL_C(COEF_CONST((-0.9238795325112866)), f469);
- f472 = MUL_C(COEF_CONST((-0.5411961001461967)), f465);
- f473 = f470 + f471;
- f474 = f472 - f471;
- f475 = f468 - f474;
- f476 = f468 + f474;
- f477 = f467 - f473;
- f478 = f467 + f473;
- f479 = f460 + f464;
- f480 = MUL_C(COEF_CONST(1.3065629648763770), f460);
- f481 = MUL_C(COEF_CONST((-0.3826834323650904)), f479);
- f482 = MUL_C(COEF_CONST(0.5411961001461961), f464);
- f483 = f480 + f481;
- f484 = f482 - f481;
- f485 = MUL_C(COEF_CONST(0.7071067811865476), f462);
- f486 = f485 - f417;
- f487 = f485 + f417;
- f488 = f484 - f487;
- f489 = f484 + f487;
- f490 = f483 - f486;
- f491 = f483 + f486;
- f492 = f489 + f476;
- f493 = MUL_C(COEF_CONST((-0.8971675863426361)), f489);
- f494 = MUL_C(COEF_CONST(0.9951847266721968), f492);
- f495 = MUL_C(COEF_CONST(1.0932018670017576), f476);
- f496 = f493 + f494;
- f497 = f495 - f494;
- f498 = f491 + f478;
- f499 = MUL_C(COEF_CONST((-0.6666556584777466)), f491);
- f500 = MUL_C(COEF_CONST(0.9569403357322089), f498);
- f501 = MUL_C(COEF_CONST(1.2472250129866713), f478);
- f502 = f499 + f500;
- f503 = f501 - f500;
- f504 = f490 + f477;
- f505 = MUL_C(COEF_CONST((-0.4105245275223571)), f490);
- f506 = MUL_C(COEF_CONST(0.8819212643483549), f504);
- f507 = MUL_C(COEF_CONST(1.3533180011743529), f477);
- f508 = f505 + f506;
- f509 = f507 - f506;
- f510 = f488 + f475;
- f511 = MUL_C(COEF_CONST((-0.1386171691990915)), f488);
- f512 = MUL_C(COEF_CONST(0.7730104533627370), f510);
- f513 = MUL_C(COEF_CONST(1.4074037375263826), f475);
- f514 = f511 + f512;
- f515 = f513 - f512;
- f516 = f311 + f401;
- f517 = f311 - f401;
- f518 = f317 + f395;
- f519 = f395 - f317;
- f520 = f323 + f389;
- f521 = f323 - f389;
- f522 = f329 + f383;
- f523 = f383 - f329;
- f524 = f335 + f377;
- f525 = f335 - f377;
- f526 = f341 + f371;
- f527 = f371 - f341;
- f528 = f347 + f365;
- f529 = f347 - f365;
- f530 = f353 + f359;
- f531 = f359 - f353;
- f532 = f517 - f531;
- f533 = f517 + f531;
- f534 = f519 - f529;
- f535 = f519 + f529;
- f536 = f521 - f527;
- f537 = f521 + f527;
- f538 = f523 - f525;
- f539 = f523 + f525;
- f540 = f533 - f539;
- f541 = f533 + f539;
- f542 = f535 - f537;
- f543 = f535 + f537;
- f544 = f541 - f543;
- y[63] = f541 + f543;
- f546 = MUL_C(COEF_CONST(0.7071067811865476), f544);
- f547 = f540 + f542;
- f548 = MUL_C(COEF_CONST(1.3065629648763766), f540);
- f549 = MUL_C(COEF_CONST((-0.9238795325112866)), f547);
- f550 = MUL_C(COEF_CONST((-0.5411961001461967)), f542);
- f551 = f548 + f549;
- f552 = f550 - f549;
- f553 = f532 + f538;
- f554 = MUL_C(COEF_CONST(1.1758756024193588), f532);
- f555 = MUL_C(COEF_CONST((-0.9807852804032304)), f553);
- f556 = MUL_C(COEF_CONST((-0.7856949583871021)), f538);
- f557 = f554 + f555;
- f558 = f556 - f555;
- f559 = f534 + f536;
- f560 = MUL_C(COEF_CONST(1.3870398453221473), f534);
- f561 = MUL_C(COEF_CONST((-0.8314696123025455)), f559);
- f562 = MUL_C(COEF_CONST((-0.2758993792829436)), f536);
- f563 = f560 + f561;
- f564 = f562 - f561;
- f565 = f558 - f564;
- f566 = f558 + f564;
- f567 = MUL_C(COEF_CONST(0.7071067811865476), f565);
- f568 = f557 - f563;
- f569 = f557 + f563;
- f570 = MUL_C(COEF_CONST(0.7071067811865476), f569);
- f571 = f567 - f570;
- f572 = f567 + f570;
- f573 = MUL_C(COEF_CONST(0.5024192861881557), f516);
- f574 = MUL_C(COEF_CONST(0.5224986149396889), f518);
- f575 = MUL_C(COEF_CONST(0.5669440348163577), f520);
- f576 = MUL_C(COEF_CONST(0.6468217833599901), f522);
- f577 = MUL_C(COEF_CONST(0.7881546234512502), f524);
- f578 = MUL_C(COEF_CONST(1.0606776859903471), f526);
- f579 = MUL_C(COEF_CONST(1.7224470982383342), f528);
- f580 = MUL_C(COEF_CONST(5.1011486186891553), f530);
- f581 = f573 + f580;
- f582 = f573 - f580;
- f583 = f574 + f579;
- f584 = f579 - f574;
- f585 = f575 + f578;
- f586 = f575 - f578;
- f587 = f576 + f577;
- f588 = f577 - f576;
- f589 = f582 - f588;
- f590 = f582 + f588;
- f591 = f584 - f586;
- f592 = f584 + f586;
- f593 = f590 - f592;
- f594 = f590 + f592;
- f595 = MUL_C(COEF_CONST(0.7071067811865476), f593);
- f596 = f589 + f591;
- f597 = MUL_C(COEF_CONST(1.3065629648763766), f589);
- f598 = MUL_C(COEF_CONST((-0.9238795325112866)), f596);
- f599 = MUL_C(COEF_CONST((-0.5411961001461967)), f591);
- f600 = f597 + f598;
- f601 = f599 - f598;
- f602 = f583 + f585;
- f603 = f585 - f583;
- f604 = MUL_C(COEF_CONST(0.7071067811865476), f603);
- f605 = MUL_C(COEF_CONST(0.7071067811865476), f602);
- f606 = f581 - f604;
- f607 = f581 + f604;
- f608 = f605 - f587;
- f609 = f587 + f605;
- f610 = f607 - f609;
- f611 = MUL_C(COEF_CONST((-0.7856949583871021)), f609);
- f612 = MUL_C(COEF_CONST(0.9807852804032304), f610);
- f613 = MUL_C(COEF_CONST(1.1758756024193588), f607);
- f614 = f612 - f611;
- f615 = f613 - f612;
- f616 = f608 + f606;
- f617 = MUL_C(COEF_CONST(0.2758993792829431), f608);
- f618 = MUL_C(COEF_CONST(0.5555702330196022), f616);
- f619 = MUL_C(COEF_CONST(1.3870398453221475), f606);
- f620 = f617 + f618;
- f621 = f619 - f618;
- f622 = f594 + f614;
- f623 = f614 + f601;
- f624 = f601 + f621;
- f625 = f621 + f595;
- f626 = f595 + f620;
- f627 = f620 + f600;
- f628 = f600 + f615;
- y[5] = f496 - f615;
- y[3] = f496 + f615;
- y[9] = f453 - f568;
- y[7] = f453 + f568;
- y[13] = f502 - f628;
- y[11] = f502 + f628;
- y[17] = f439 - f551;
- y[15] = f439 + f551;
- y[21] = f508 - f627;
- y[19] = f508 + f627;
- y[25] = f459 - f571;
- y[23] = f459 + f571;
- y[29] = f514 - f626;
- y[27] = f514 + f626;
- y[33] = f433 - f546;
- y[31] = f433 + f546;
- y[37] = f515 - f625;
- y[35] = f515 + f625;
- y[41] = f458 - f572;
- y[39] = f458 + f572;
- y[45] = f509 - f624;
- y[43] = f509 + f624;
- y[49] = f438 - f552;
- y[47] = f438 + f552;
- y[53] = f503 - f623;
- y[51] = f503 + f623;
- y[57] = f455 - f566;
- y[55] = f455 + f566;
- y[61] = f497 - f622;
- y[59] = f497 + f622;
+ f225 = f218 - f224;
+ f226 = f218 + f224;
+ f227 = MUL_F(FRAC_CONST(0.7071067811865476), f225);
+ f228 = f217 - f223;
+ f229 = f217 + f223;
+ f230 = MUL_F(FRAC_CONST(0.7071067811865476), f229);
+ f231 = f227 - f230;
+ f232 = f227 + f230;
+ f233 = f210 - f226;
+ f234 = f210 + f226;
+ f235 = f212 - f232;
+ f236 = f212 + f232;
+ f237 = f211 - f231;
+ f238 = f211 + f231;
+ f239 = f209 - f228;
+ f240 = f209 + f228;
+ f241 = f234 + f193;
+ f242 = MUL_F(FRAC_CONST(-0.9497277818777543), f234);
+ f243 = MUL_F(FRAC_CONST(0.9987954562051724), f241);
+ f244 = MUL_C(COEF_CONST(1.0478631305325905), f193);
+ y[1] = f242 + f243;
+ y[31] = f244 - f243;
+ f247 = f195 - f236;
+ f248 = MUL_F(FRAC_CONST(-0.8424460355094192), f236);
+ f249 = MUL_F(FRAC_CONST(0.9891765099647810), f247);
+ f250 = MUL_C(COEF_CONST(1.1359069844201428), f195);
+ y[3] = f249 - f248;
+ y[29] = f250 - f249;
+ f253 = f238 + f197;
+ f254 = MUL_F(FRAC_CONST(-0.7270510732912801), f238);
+ f255 = MUL_F(FRAC_CONST(0.9700312531945440), f253);
+ f256 = MUL_C(COEF_CONST(1.2130114330978079), f197);
+ y[5] = f254 + f255;
+ y[27] = f256 - f255;
+ f259 = f199 - f240;
+ f260 = MUL_F(FRAC_CONST(-0.6046542117908007), f240);
+ f261 = MUL_F(FRAC_CONST(0.9415440651830208), f259);
+ f262 = MUL_C(COEF_CONST(1.2784339185752409), f199);
+ y[7] = f261 - f260;
+ y[25] = f262 - f261;
+ f265 = f239 + f198;
+ f266 = MUL_F(FRAC_CONST(-0.4764341996931611), f239);
+ f267 = MUL_F(FRAC_CONST(0.9039892931234433), f265);
+ f268 = MUL_C(COEF_CONST(1.3315443865537255), f198);
+ y[9] = f266 + f267;
+ y[23] = f268 - f267;
+ f271 = f196 - f237;
+ f272 = MUL_F(FRAC_CONST(-0.3436258658070505), f237);
+ f273 = MUL_F(FRAC_CONST(0.8577286100002721), f271);
+ f274 = MUL_C(COEF_CONST(1.3718313541934939), f196);
+ y[11] = f273 - f272;
+ y[21] = f274 - f273;
+ f277 = f235 + f194;
+ f278 = MUL_F(FRAC_CONST(-0.2075082269882114), f235);
+ f279 = MUL_F(FRAC_CONST(0.8032075314806448), f277);
+ f280 = MUL_C(COEF_CONST(1.3989068359730783), f194);
+ y[13] = f278 + f279;
+ y[19] = f280 - f279;
+ f283 = f192 - f233;
+ f284 = MUL_F(FRAC_CONST(-0.0693921705079408), f233);
+ f285 = MUL_F(FRAC_CONST(0.7409511253549591), f283);
+ f286 = MUL_C(COEF_CONST(1.4125100802019774), f192);
+ y[15] = f285 - f284;
+ y[17] = f286 - f285;
}
-void DST2_64_unscaled(real_t *y, real_t *x)
+#else
+
+
+#define n 32
+#define log2n 5
+
+// w_array_real[i] = cos(2*M_PI*i/32)
+static const real_t w_array_real[] = {
+ FRAC_CONST(1.000000000000000), FRAC_CONST(0.980785279337272),
+ FRAC_CONST(0.923879528329380), FRAC_CONST(0.831469603195765),
+ FRAC_CONST(0.707106765732237), FRAC_CONST(0.555570210304169),
+ FRAC_CONST(0.382683402077046), FRAC_CONST(0.195090284503576),
+ FRAC_CONST(0.000000000000000), FRAC_CONST(-0.195090370246552),
+ FRAC_CONST(-0.382683482845162), FRAC_CONST(-0.555570282993553),
+ FRAC_CONST(-0.707106827549476), FRAC_CONST(-0.831469651765257),
+ FRAC_CONST(-0.923879561784627), FRAC_CONST(-0.980785296392607)
+};
+
+// w_array_imag[i] = sin(-2*M_PI*i/32)
+static const real_t w_array_imag[] = {
+ FRAC_CONST(0.000000000000000), FRAC_CONST(-0.195090327375064),
+ FRAC_CONST(-0.382683442461104), FRAC_CONST(-0.555570246648862),
+ FRAC_CONST(-0.707106796640858), FRAC_CONST(-0.831469627480512),
+ FRAC_CONST(-0.923879545057005), FRAC_CONST(-0.980785287864940),
+ FRAC_CONST(-1.000000000000000), FRAC_CONST(-0.980785270809601),
+ FRAC_CONST(-0.923879511601754), FRAC_CONST(-0.831469578911016),
+ FRAC_CONST(-0.707106734823616), FRAC_CONST(-0.555570173959476),
+ FRAC_CONST(-0.382683361692986), FRAC_CONST(-0.195090241632088)
+};
+
+// FFT decimation in frequency
+// 4*16*2+16=128+16=144 multiplications
+// 6*16*2+10*8+4*16*2=192+80+128=400 additions
+static void fft_dif(real_t * Real, real_t * Imag)
{
- int16_t i0;
- real_t f2, f3, f4, f5, f6, f7;
- real_t f8, f9, f10, f11, f12, f13;
- real_t f14, f15, f16, f17, f18, f19;
- real_t f20, f21, f22, f23, f24, f25;
- real_t f26, f27, f28, f29, f30, f31;
- real_t f32, f33, f34, f35, f36, f37;
- real_t f38, f39, f40, f41, f42, f43;
- real_t f44, f45, f46, f47, f48, f49;
- real_t f50, f51, f52, f53, f54, f55;
- real_t f56, f57, f58, f59, f60, f61;
- real_t f62, f63, f64, f65, f66, f67;
- real_t f68, f69, f70, f71, f72, f73;
- real_t f74, f75, f76, f77, f78, f79;
- real_t f80, f81, f82, f83, f84, f85;
- real_t f86, f87, f88, f89, f90, f91;
- real_t f92, f93, f94, f95, f96, f97;
- real_t f98, f99, f100, f101, f102, f103;
- real_t f104, f105, f106, f107, f108, f109;
- real_t f110, f111, f112, f113, f114, f115;
- real_t f116, f117, f118, f119, f120, f121;
- real_t f122, f123, f124, f125, f126, f127;
- real_t f128, f129, f130, f131, f132, f133;
- real_t f134, f135, f136, f137, f138, f139;
- real_t f140, f141, f142, f143, f144, f145;
- real_t f146, f147, f148, f149, f150, f151;
- real_t f152, f153, f154, f155, f156, f157;
- real_t f158, f159, f160, f161, f162, f163;
- real_t f164, f165, f166, f167, f168, f169;
- real_t f170, f171, f172, f173, f174, f175;
- real_t f176, f177, f178, f179, f180, f181;
- real_t f182, f183, f184, f185, f186, f187;
- real_t f188, f189, f190, f191, f192, f193;
- real_t f194, f195, f196, f197, f198, f199;
- real_t f200, f201, f202, f203, f204, f205;
- real_t f206, f207, f208, f209, f210, f211;
- real_t f212, f213, f214, f215, f216, f217;
- real_t f218, f219, f220, f221, f222, f223;
- real_t f224, f225, f226, f227, f228, f229;
- real_t f230, f231, f232, f233, f234, f235;
- real_t f236, f237, f238, f239, f240, f241;
- real_t f242, f243, f244, f245, f246, f247;
- real_t f248, f249, f250, f251, f252, f253;
- real_t f254, f255, f256, f257, f258, f259;
- real_t f260, f261, f264, f265, f266, f267;
- real_t f270, f271, f272, f273, f276, f277;
- real_t f278, f279, f282, f283, f284, f285;
- real_t f288, f289, f290, f291, f294, f295;
- real_t f296, f297, f300, f301, f302, f303;
- real_t f306, f307, f308, f309, f312, f313;
- real_t f314, f315, f318, f319, f320, f321;
- real_t f324, f325, f326, f327, f330, f331;
- real_t f332, f333, f336, f337, f338, f339;
- real_t f342, f343, f344, f345, f348, f349;
- real_t f350, f351, f354, f355, f356, f357;
- real_t f358, f359, f360, f361, f362, f363;
- real_t f364, f365, f366, f367, f368, f369;
- real_t f370, f371, f372, f373, f374, f375;
- real_t f376, f377, f378, f379, f380, f381;
- real_t f382, f383, f384, f385, f386, f387;
- real_t f388, f389, f390, f391, f392, f393;
- real_t f394, f395, f396, f397, f398, f399;
- real_t f400, f401, f402, f403, f404, f405;
- real_t f406, f407, f408, f409, f410, f411;
- real_t f412, f413, f414, f415, f416, f417;
- real_t f418, f419, f420, f421, f422, f423;
- real_t f424, f425, f426, f427, f428, f429;
- real_t f430, f431, f432, f433, f434, f435;
- real_t f436, f437, f438, f439, f440, f441;
- real_t f442, f443, f444, f445, f446, f447;
- real_t f448, f449, f450, f451, f452, f453;
- real_t f454, f455, f456, f457, f458, f459;
- real_t f460, f461, f462, f463, f464, f465;
- real_t f466, f467, f468, f469, f470, f471;
- real_t f472, f473, f474, f475, f476, f477;
- real_t f478, f479, f480, f481, f482, f483;
- real_t f484, f485, f486, f487, f488, f489;
- real_t f490, f491, f492, f493, f494, f495;
- real_t f496, f497, f498, f499, f500, f501;
- real_t f504, f505, f506, f507, f510, f511;
- real_t f512, f513, f516, f517, f518, f519;
- real_t f522, f523, f524, f525, f528, f529;
- real_t f530, f531, f534, f535, f536, f537;
- real_t f540, f541, f542, f543, f546, f547;
- real_t f548, f549, f550, f551, f552, f553;
- real_t f554, f555, f556, f557, f558, f559;
- real_t f560, f561, f562, f563, f564, f565;
- real_t f566, f567, f568, f569, f570, f571;
- real_t f572, f573, f574, f577, f578, f579;
- real_t f580, f583, f584, f585, f586, f587;
- real_t f588, f589, f590, f591, f592, f593;
- real_t f594, f595, f596, f597, f598, f603;
- real_t f604, f605, f606, f607, f608, f609;
- real_t f610, f611, f612, f613, f614, f615;
- real_t f616, f617, f618, f619, f620, f621;
- real_t f622, f623, f624, f625, f626, f627;
- real_t f628, f629, f630, f631, f632, f633;
- real_t f634, f635, f636, f637, f638, f639;
- real_t f640, f641, f642, f643, f644, f645;
- real_t f646, f647, f648, f649, f650;
- ALIGN static real_t t2[64];
-
- for (i0=0; i0<32; i0++)
+ real_t w_real, w_imag; // For faster access
+ real_t point1_real, point1_imag, point2_real, point2_imag; // For faster access
+ uint32_t j, i, i2, w_index; // Counters
+
+ // First 2 stages of 32 point FFT decimation in frequency
+ // 4*16*2=64*2=128 multiplications
+ // 6*16*2=96*2=192 additions
+ // Stage 1 of 32 point FFT decimation in frequency
+ for (i = 0; i < 16; i++)
+ {
+ point1_real = Real[i];
+ point1_imag = Imag[i];
+ i2 = i+16;
+ point2_real = Real[i2];
+ point2_imag = Imag[i2];
+
+ w_real = w_array_real[i];
+ w_imag = w_array_imag[i];
+
+ // temp1 = x[i] - x[i2]
+ point1_real -= point2_real;
+ point1_imag -= point2_imag;
+
+ // x[i1] = x[i] + x[i2]
+ Real[i] += point2_real;
+ Imag[i] += point2_imag;
+
+ // x[i2] = (x[i] - x[i2]) * w
+ Real[i2] = (MUL_F(point1_real,w_real) - MUL_F(point1_imag,w_imag));
+ Imag[i2] = (MUL_F(point1_real,w_imag) + MUL_F(point1_imag,w_real));
+ }
+ // Stage 2 of 32 point FFT decimation in frequency
+ for (j = 0, w_index = 0; j < 8; j++, w_index += 2)
{
- t2[2*i0+1] = x[i0] - x[-i0+63];
- t2[2*i0] = x[i0] + x[-i0+63];
+ w_real = w_array_real[w_index];
+ w_imag = w_array_imag[w_index];
+
+ i = j;
+ point1_real = Real[i];
+ point1_imag = Imag[i];
+ i2 = i+8;
+ point2_real = Real[i2];
+ point2_imag = Imag[i2];
+
+ // temp1 = x[i] - x[i2]
+ point1_real -= point2_real;
+ point1_imag -= point2_imag;
+
+ // x[i1] = x[i] + x[i2]
+ Real[i] += point2_real;
+ Imag[i] += point2_imag;
+
+ // x[i2] = (x[i] - x[i2]) * w
+ Real[i2] = (MUL_F(point1_real,w_real) - MUL_F(point1_imag,w_imag));
+ Imag[i2] = (MUL_F(point1_real,w_imag) + MUL_F(point1_imag,w_real));
+
+ i = j+16;
+ point1_real = Real[i];
+ point1_imag = Imag[i];
+ i2 = i+8;
+ point2_real = Real[i2];
+ point2_imag = Imag[i2];
+
+ // temp1 = x[i] - x[i2]
+ point1_real -= point2_real;
+ point1_imag -= point2_imag;
+
+ // x[i1] = x[i] + x[i2]
+ Real[i] += point2_real;
+ Imag[i] += point2_imag;
+
+ // x[i2] = (x[i] - x[i2]) * w
+ Real[i2] = (MUL_F(point1_real,w_real) - MUL_F(point1_imag,w_imag));
+ Imag[i2] = (MUL_F(point1_real,w_imag) + MUL_F(point1_imag,w_real));
}
- f2 = t2[2] + t2[4];
- f3 = t2[4] - t2[2];
- f4 = t2[6] + t2[8];
- f5 = t2[8] - t2[6];
- f6 = t2[10] + t2[12];
- f7 = t2[12] - t2[10];
- f8 = t2[14] + t2[16];
- f9 = t2[16] - t2[14];
- f10 = t2[18] + t2[20];
- f11 = t2[20] - t2[18];
- f12 = t2[22] + t2[24];
- f13 = t2[24] - t2[22];
- f14 = t2[26] + t2[28];
- f15 = t2[28] - t2[26];
- f16 = t2[30] + t2[32];
- f17 = t2[32] - t2[30];
- f18 = t2[34] + t2[36];
- f19 = t2[36] - t2[34];
- f20 = t2[38] + t2[40];
- f21 = t2[40] - t2[38];
- f22 = t2[42] + t2[44];
- f23 = t2[44] - t2[42];
- f24 = t2[46] + t2[48];
- f25 = t2[48] - t2[46];
- f26 = t2[50] + t2[52];
- f27 = t2[52] - t2[50];
- f28 = t2[54] + t2[56];
- f29 = t2[56] - t2[54];
- f30 = t2[58] + t2[60];
- f31 = t2[60] - t2[58];
- f32 = MUL_C(COEF_CONST(0.7071067811865476), f17);
- f33 = t2[0] - f32;
- f34 = t2[0] + f32;
- f35 = f9 + f25;
- f36 = MUL_C(COEF_CONST(1.3065629648763766), f9);
- f37 = MUL_C(COEF_CONST((-0.9238795325112866)), f35);
- f38 = MUL_C(COEF_CONST((-0.5411961001461967)), f25);
- f39 = f36 + f37;
- f40 = f38 - f37;
- f41 = f34 - f40;
- f42 = f34 + f40;
- f43 = f33 - f39;
- f44 = f33 + f39;
- f45 = MUL_C(COEF_CONST(2.5629154477415064), f5);
- f46 = MUL_C(COEF_CONST(0.8999762231364158), f13);
- f47 = MUL_C(COEF_CONST(0.5097955791041592), f29);
- f48 = MUL_C(COEF_CONST(0.6013448869350453), f21);
- f49 = f45 - f47;
- f50 = f45 + f47;
- f51 = f46 - f48;
- f52 = f46 + f48;
- f53 = f50 + f52;
- f54 = MUL_C(COEF_CONST(1.3065629648763770), f50);
- f55 = MUL_C(COEF_CONST((-0.3826834323650904)), f53);
- f56 = MUL_C(COEF_CONST(0.5411961001461961), f52);
- f57 = f54 + f55;
- f58 = f56 - f55;
- f59 = f51 - f49;
- f60 = f49 + f51;
- f61 = MUL_C(COEF_CONST(0.7071067811865476), f60);
- f62 = f58 - f61;
- f63 = f57 - f61;
- f64 = f59 + f57;
- f65 = f42 - f58;
- f66 = f42 + f58;
- f67 = f44 + f62;
- f68 = f44 - f62;
- f69 = f43 - f63;
- f70 = f43 + f63;
- f71 = f41 + f64;
- f72 = f41 - f64;
- f73 = f7 - f11;
- f74 = f7 + f11;
- f75 = f15 - f19;
- f76 = f15 + f19;
- f77 = f23 - f27;
- f78 = f23 + f27;
- f79 = MUL_C(COEF_CONST(0.7071067811865476), f76);
- f80 = f3 - f79;
- f81 = f3 + f79;
- f82 = f74 + f78;
- f83 = MUL_C(COEF_CONST(1.3065629648763766), f74);
- f84 = MUL_C(COEF_CONST((-0.9238795325112866)), f82);
- f85 = MUL_C(COEF_CONST((-0.5411961001461967)), f78);
- f86 = f83 + f84;
- f87 = f85 - f84;
- f88 = f81 - f87;
- f89 = f81 + f87;
- f90 = f80 - f86;
- f91 = f80 + f86;
- f92 = MUL_C(COEF_CONST(0.7071067811865476), f75);
- f93 = f31 - f92;
- f94 = f31 + f92;
- f95 = f77 + f73;
- f96 = MUL_C(COEF_CONST(1.3065629648763766), f77);
- f97 = MUL_C(COEF_CONST((-0.9238795325112866)), f95);
- f98 = MUL_C(COEF_CONST((-0.5411961001461967)), f73);
- f99 = f96 + f97;
- f100 = f98 - f97;
- f101 = f94 - f100;
- f102 = f94 + f100;
- f103 = f93 - f99;
- f104 = f93 + f99;
- f105 = f102 + f89;
- f106 = MUL_C(COEF_CONST((-0.8971675863426361)), f102);
- f107 = MUL_C(COEF_CONST(0.9951847266721968), f105);
- f108 = MUL_C(COEF_CONST(1.0932018670017576), f89);
- f109 = f106 + f107;
- f110 = f108 - f107;
- f111 = f91 - f104;
- f112 = MUL_C(COEF_CONST((-0.6666556584777466)), f104);
- f113 = MUL_C(COEF_CONST(0.9569403357322089), f111);
- f114 = MUL_C(COEF_CONST(1.2472250129866713), f91);
- f115 = f113 - f112;
- f116 = f114 - f113;
- f117 = f103 + f90;
- f118 = MUL_C(COEF_CONST((-0.4105245275223571)), f103);
- f119 = MUL_C(COEF_CONST(0.8819212643483549), f117);
- f120 = MUL_C(COEF_CONST(1.3533180011743529), f90);
- f121 = f118 + f119;
- f122 = f120 - f119;
- f123 = f88 - f101;
- f124 = MUL_C(COEF_CONST((-0.1386171691990915)), f101);
- f125 = MUL_C(COEF_CONST(0.7730104533627370), f123);
- f126 = MUL_C(COEF_CONST(1.4074037375263826), f88);
- f127 = f125 - f124;
- f128 = f126 - f125;
- f129 = f66 - f109;
- f130 = f66 + f109;
- f131 = f68 - f115;
- f132 = f68 + f115;
- f133 = f70 - f121;
- f134 = f70 + f121;
- f135 = f72 - f127;
- f136 = f72 + f127;
- f137 = f71 - f128;
- f138 = f71 + f128;
- f139 = f69 - f122;
- f140 = f69 + f122;
- f141 = f67 - f116;
- f142 = f67 + f116;
- f143 = f65 - f110;
- f144 = f65 + f110;
- f145 = f26 + f30;
- f146 = f22 + f26;
- f147 = f18 + f22;
- f148 = f14 + f18;
- f149 = f10 + f14;
- f150 = f6 + f10;
- f151 = f2 + f6;
- f152 = MUL_C(COEF_CONST(0.7071067811865476), f148);
- f153 = f152 - f30;
- f154 = f30 + f152;
- f155 = f146 + f150;
- f156 = MUL_C(COEF_CONST(1.3065629648763766), f146);
- f157 = MUL_C(COEF_CONST((-0.9238795325112866)), f155);
- f158 = MUL_C(COEF_CONST((-0.5411961001461967)), f150);
- f159 = f156 + f157;
- f160 = f157 - f158;
- f161 = f154 + f160;
- f162 = f160 - f154;
- f163 = f153 + f159;
- f164 = f153 - f159;
- f165 = f147 + f145;
- f166 = f149 + f147;
- f167 = f151 + f149;
- f168 = MUL_C(COEF_CONST(0.7071067811865476), f166);
- f169 = f168 - f145;
- f170 = f145 + f168;
- f171 = f165 + f167;
- f172 = MUL_C(COEF_CONST(1.3065629648763766), f165);
- f173 = MUL_C(COEF_CONST((-0.9238795325112866)), f171);
- f174 = MUL_C(COEF_CONST((-0.5411961001461967)), f167);
- f175 = f172 + f173;
- f176 = f173 - f174;
- f177 = f170 + f176;
- f178 = f176 - f170;
- f179 = f169 + f175;
- f180 = f169 - f175;
- f181 = MUL_C(COEF_CONST(0.5097955791041592), f178);
- f182 = MUL_C(COEF_CONST(0.6013448869350453), f180);
- f183 = MUL_C(COEF_CONST(0.8999762231364156), f179);
- f184 = MUL_C(COEF_CONST(2.5629154477415055), f177);
- f185 = f162 - f181;
- f186 = f162 + f181;
- f187 = f164 - f182;
- f188 = f164 + f182;
- f189 = f163 - f183;
- f190 = f163 + f183;
- f191 = f184 - f161;
- f192 = f161 + f184;
- f193 = MUL_C(COEF_CONST(0.5024192861881557), f186);
- f194 = MUL_C(COEF_CONST(0.5224986149396889), f188);
- f195 = MUL_C(COEF_CONST(0.5669440348163577), f190);
- f196 = MUL_C(COEF_CONST(0.6468217833599901), f192);
- f197 = MUL_C(COEF_CONST(0.7881546234512502), f191);
- f198 = MUL_C(COEF_CONST(1.0606776859903471), f189);
- f199 = MUL_C(COEF_CONST(1.7224470982383342), f187);
- f200 = MUL_C(COEF_CONST(5.1011486186891553), f185);
- f201 = MUL_C(COEF_CONST(0.7071067811865476), f16);
- f202 = f201 - t2[62];
- f203 = t2[62] + f201;
- f204 = f24 + f8;
- f205 = MUL_C(COEF_CONST(1.3065629648763766), f24);
- f206 = MUL_C(COEF_CONST((-0.9238795325112866)), f204);
- f207 = MUL_C(COEF_CONST((-0.5411961001461967)), f8);
- f208 = f205 + f206;
- f209 = f206 - f207;
- f210 = f203 + f209;
- f211 = f209 - f203;
- f212 = f202 + f208;
- f213 = f202 - f208;
- f214 = f20 + f28;
- f215 = f12 + f20;
- f216 = f4 + f12;
- f217 = MUL_C(COEF_CONST(0.7071067811865476), f215);
- f218 = f217 - f28;
- f219 = f28 + f217;
- f220 = f214 + f216;
- f221 = MUL_C(COEF_CONST(1.3065629648763766), f214);
- f222 = MUL_C(COEF_CONST((-0.9238795325112866)), f220);
- f223 = MUL_C(COEF_CONST((-0.5411961001461967)), f216);
- f224 = f221 + f222;
- f225 = f222 - f223;
- f226 = f219 + f225;
- f227 = f225 - f219;
- f228 = f218 + f224;
- f229 = f218 - f224;
- f230 = MUL_C(COEF_CONST(0.5097955791041592), f227);
- f231 = MUL_C(COEF_CONST(0.6013448869350453), f229);
- f232 = MUL_C(COEF_CONST(0.8999762231364156), f228);
- f233 = MUL_C(COEF_CONST(2.5629154477415055), f226);
- f234 = f211 - f230;
- f235 = f211 + f230;
- f236 = f213 - f231;
- f237 = f213 + f231;
- f238 = f212 - f232;
- f239 = f212 + f232;
- f240 = f233 - f210;
- f241 = f210 + f233;
- f242 = f193 - f235;
- f243 = f193 + f235;
- f244 = f237 - f194;
- f245 = f194 + f237;
- f246 = f195 - f239;
- f247 = f195 + f239;
- f248 = f196 - f241;
- f249 = f196 + f241;
- f250 = f197 - f240;
- f251 = f197 + f240;
- f252 = f238 - f198;
- f253 = f198 + f238;
- f254 = f199 - f236;
- f255 = f199 + f236;
- f256 = f234 - f200;
- f257 = f200 + f234;
- f258 = f243 + f130;
- f259 = MUL_C(COEF_CONST((-0.9751575901732920)), f243);
- f260 = MUL_C(COEF_CONST(0.9996988186962043), f258);
- f261 = MUL_C(COEF_CONST(1.0242400472191164), f130);
- y[62] = f259 + f260;
- y[0] = f261 - f260;
- f264 = f132 - f245;
- f265 = MUL_C(COEF_CONST((-0.9237258930790228)), f245);
- f266 = MUL_C(COEF_CONST(0.9972904566786902), f264);
- f267 = MUL_C(COEF_CONST(1.0708550202783576), f132);
- y[60] = f266 - f265;
- y[2] = f267 - f266;
- f270 = f247 + f134;
- f271 = MUL_C(COEF_CONST((-0.8700688593994936)), f247);
- f272 = MUL_C(COEF_CONST(0.9924795345987100), f270);
- f273 = MUL_C(COEF_CONST(1.1148902097979263), f134);
- y[58] = f271 + f272;
- y[4] = f273 - f272;
- f276 = f249 + f136;
- f277 = MUL_C(COEF_CONST((-0.8143157536286398)), f249);
- f278 = MUL_C(COEF_CONST(0.9852776423889412), f276);
- f279 = MUL_C(COEF_CONST(1.1562395311492426), f136);
- y[56] = f277 + f278;
- y[6] = f279 - f278;
- f282 = f251 + f138;
- f283 = MUL_C(COEF_CONST((-0.7566008898816587)), f251);
- f284 = MUL_C(COEF_CONST(0.9757021300385286), f282);
- f285 = MUL_C(COEF_CONST(1.1948033701953984), f138);
- y[54] = f283 + f284;
- y[8] = f285 - f284;
- f288 = f140 - f253;
- f289 = MUL_C(COEF_CONST((-0.6970633083205414)), f253);
- f290 = MUL_C(COEF_CONST(0.9637760657954398), f288);
- f291 = MUL_C(COEF_CONST(1.2304888232703384), f140);
- y[52] = f290 - f289;
- y[10] = f291 - f290;
- f294 = f255 + f142;
- f295 = MUL_C(COEF_CONST((-0.6358464401941451)), f255);
- f296 = MUL_C(COEF_CONST(0.9495281805930367), f294);
- f297 = MUL_C(COEF_CONST(1.2632099209919283), f142);
- y[50] = f295 + f296;
- y[12] = f297 - f296;
- f300 = f144 - f257;
- f301 = MUL_C(COEF_CONST((-0.5730977622997506)), f257);
- f302 = MUL_C(COEF_CONST(0.9329927988347389), f300);
- f303 = MUL_C(COEF_CONST(1.2928878353697271), f144);
- y[48] = f302 - f301;
- y[14] = f303 - f302;
- f306 = f256 + f143;
- f307 = MUL_C(COEF_CONST((-0.5089684416985408)), f256);
- f308 = MUL_C(COEF_CONST(0.9142097557035307), f306);
- f309 = MUL_C(COEF_CONST(1.3194510697085207), f143);
- y[46] = f307 + f308;
- y[16] = f309 - f308;
- f312 = f254 + f141;
- f313 = MUL_C(COEF_CONST((-0.4436129715409087)), f254);
- f314 = MUL_C(COEF_CONST(0.8932243011955153), f312);
- f315 = MUL_C(COEF_CONST(1.3428356308501219), f141);
- y[44] = f313 + f314;
- y[18] = f315 - f314;
- f318 = f252 + f139;
- f319 = MUL_C(COEF_CONST((-0.3771887988789273)), f252);
- f320 = MUL_C(COEF_CONST(0.8700869911087114), f318);
- f321 = MUL_C(COEF_CONST(1.3629851833384954), f139);
- y[42] = f319 + f320;
- y[20] = f321 - f320;
- f324 = f250 + f137;
- f325 = MUL_C(COEF_CONST((-0.3098559453626097)), f250);
- f326 = MUL_C(COEF_CONST(0.8448535652497070), f324);
- f327 = MUL_C(COEF_CONST(1.3798511851368043), f137);
- y[40] = f325 + f326;
- y[22] = f327 - f326;
- f330 = f248 + f135;
- f331 = MUL_C(COEF_CONST((-0.2417766217337384)), f248);
- f332 = MUL_C(COEF_CONST(0.8175848131515837), f330);
- f333 = MUL_C(COEF_CONST(1.3933930045694289), f135);
- y[38] = f331 + f332;
- y[24] = f333 - f332;
- f336 = f246 + f133;
- f337 = MUL_C(COEF_CONST((-0.1731148370459794)), f246);
- f338 = MUL_C(COEF_CONST(0.7883464276266062), f336);
- f339 = MUL_C(COEF_CONST(1.4035780182072330), f133);
- y[36] = f337 + f338;
- y[26] = f339 - f338;
- f342 = f244 + f131;
- f343 = MUL_C(COEF_CONST((-0.1040360035527077)), f244);
- f344 = MUL_C(COEF_CONST(0.7572088465064845), f342);
- f345 = MUL_C(COEF_CONST(1.4103816894602612), f131);
- y[34] = f343 + f344;
- y[28] = f345 - f344;
- f348 = f242 + f129;
- f349 = MUL_C(COEF_CONST((-0.0347065382144000)), f242);
- f350 = MUL_C(COEF_CONST(0.7242470829514669), f348);
- f351 = MUL_C(COEF_CONST(1.4137876276885337), f129);
- y[32] = f349 + f350;
- y[30] = f351 - f350;
- f354 = t2[1] - t2[63];
- f355 = t2[1] + t2[63];
- f356 = t2[3] - t2[61];
- f357 = t2[3] + t2[61];
- f358 = t2[5] - t2[59];
- f359 = t2[5] + t2[59];
- f360 = t2[7] - t2[57];
- f361 = t2[7] + t2[57];
- f362 = t2[9] - t2[55];
- f363 = t2[9] + t2[55];
- f364 = t2[11] - t2[53];
- f365 = t2[11] + t2[53];
- f366 = t2[13] - t2[51];
- f367 = t2[13] + t2[51];
- f368 = t2[15] - t2[49];
- f369 = t2[15] + t2[49];
- f370 = t2[17] - t2[47];
- f371 = t2[17] + t2[47];
- f372 = t2[19] - t2[45];
- f373 = t2[19] + t2[45];
- f374 = t2[21] - t2[43];
- f375 = t2[21] + t2[43];
- f376 = t2[23] - t2[41];
- f377 = t2[23] + t2[41];
- f378 = t2[25] - t2[39];
- f379 = t2[25] + t2[39];
- f380 = t2[27] - t2[37];
- f381 = t2[27] + t2[37];
- f382 = t2[29] - t2[35];
- f383 = t2[29] + t2[35];
- f384 = t2[31] - t2[33];
- f385 = t2[31] + t2[33];
- f386 = f369 + f371;
- f387 = f371 - f369;
- f388 = MUL_C(COEF_CONST(0.7071067811865476), f387);
- f389 = MUL_C(COEF_CONST(0.7071067811865476), f386);
- f390 = f363 + f377;
- f391 = f363 - f377;
- f392 = MUL_C(COEF_CONST(0.7071067811865476), f391);
- f393 = MUL_C(COEF_CONST(0.7071067811865476), f390);
- f394 = f367 + f373;
- f395 = f367 - f373;
- f396 = MUL_C(COEF_CONST(0.7071067811865476), f395);
- f397 = MUL_C(COEF_CONST(0.7071067811865476), f394);
- f398 = f365 + f375;
- f399 = f375 - f365;
- f400 = MUL_C(COEF_CONST(0.7071067811865476), f399);
- f401 = MUL_C(COEF_CONST(0.7071067811865476), f398);
- f402 = f355 - f388;
- f403 = f355 + f388;
- f404 = f389 - f385;
- f405 = f385 + f389;
- f406 = f361 + f392;
- f407 = f392 - f361;
- f408 = f379 - f393;
- f409 = f379 + f393;
- f410 = f357 + f396;
- f411 = f396 - f357;
- f412 = f383 - f397;
- f413 = f383 + f397;
- f414 = f359 - f400;
- f415 = f359 + f400;
- f416 = f401 - f381;
- f417 = f381 + f401;
- f418 = f409 + f407;
- f419 = MUL_C(COEF_CONST((-0.5411961001461969)), f409);
- f420 = MUL_C(COEF_CONST(0.9238795325112867), f418);
- f421 = MUL_C(COEF_CONST(1.3065629648763766), f407);
- f422 = f419 + f420;
- f423 = f421 - f420;
- f424 = f408 - f406;
- f425 = MUL_C(COEF_CONST(1.3065629648763770), f408);
- f426 = MUL_C(COEF_CONST((-0.3826834323650904)), f424);
- f427 = MUL_C(COEF_CONST(0.5411961001461961), f406);
- f428 = f425 + f426;
- f429 = f426 + f427;
- f430 = f415 - f417;
- f431 = MUL_C(COEF_CONST((-0.5411961001461969)), f417);
- f432 = MUL_C(COEF_CONST(0.9238795325112867), f430);
- f433 = MUL_C(COEF_CONST(1.3065629648763766), f415);
- f434 = f432 - f431;
- f435 = f433 - f432;
- f436 = f416 + f414;
- f437 = MUL_C(COEF_CONST(1.3065629648763770), f416);
- f438 = MUL_C(COEF_CONST((-0.3826834323650904)), f436);
- f439 = MUL_C(COEF_CONST(0.5411961001461961), f414);
- f440 = f437 + f438;
- f441 = f439 - f438;
- f442 = f403 - f422;
- f443 = f403 + f422;
- f444 = f405 + f423;
- f445 = f423 - f405;
- f446 = f402 - f428;
- f447 = f402 + f428;
- f448 = f404 + f429;
- f449 = f404 - f429;
- f450 = f411 - f434;
- f451 = f411 + f434;
- f452 = f413 - f435;
- f453 = f413 + f435;
- f454 = f410 + f440;
- f455 = f440 - f410;
- f456 = f412 - f441;
- f457 = f412 + f441;
- f458 = f453 + f451;
- f459 = MUL_C(COEF_CONST((-0.7856949583871021)), f453);
- f460 = MUL_C(COEF_CONST(0.9807852804032304), f458);
- f461 = MUL_C(COEF_CONST(1.1758756024193588), f451);
- f462 = f459 + f460;
- f463 = f461 - f460;
- f464 = f457 + f455;
- f465 = MUL_C(COEF_CONST(0.2758993792829431), f457);
- f466 = MUL_C(COEF_CONST(0.5555702330196022), f464);
- f467 = MUL_C(COEF_CONST(1.3870398453221475), f455);
- f468 = f465 + f466;
- f469 = f467 - f466;
- f470 = f452 + f450;
- f471 = MUL_C(COEF_CONST(1.1758756024193591), f452);
- f472 = MUL_C(COEF_CONST((-0.1950903220161287)), f470);
- f473 = MUL_C(COEF_CONST(0.7856949583871016), f450);
- f474 = f471 + f472;
- f475 = f473 - f472;
- f476 = f456 - f454;
- f477 = MUL_C(COEF_CONST(1.3870398453221473), f456);
- f478 = MUL_C(COEF_CONST((-0.8314696123025455)), f476);
- f479 = MUL_C(COEF_CONST((-0.2758993792829436)), f454);
- f480 = f477 + f478;
- f481 = f478 + f479;
- f482 = f443 - f462;
- f483 = f443 + f462;
- f484 = f445 - f463;
- f485 = f445 + f463;
- f486 = f447 - f468;
- f487 = f447 + f468;
- f488 = f449 - f469;
- f489 = f449 + f469;
- f490 = f442 - f474;
- f491 = f442 + f474;
- f492 = f444 + f475;
- f493 = f475 - f444;
- f494 = f446 - f480;
- f495 = f446 + f480;
- f496 = f448 + f481;
- f497 = f448 - f481;
- f498 = f485 + f483;
- f499 = MUL_C(COEF_CONST((-0.9497277818777543)), f485);
- f500 = MUL_C(COEF_CONST(0.9987954562051724), f498);
- f501 = MUL_C(COEF_CONST(1.0478631305325905), f483);
- y[61] = f499 + f500;
- y[1] = f501 - f500;
- f504 = f489 + f487;
- f505 = MUL_C(COEF_CONST((-0.7270510732912801)), f489);
- f506 = MUL_C(COEF_CONST(0.9700312531945440), f504);
- f507 = MUL_C(COEF_CONST(1.2130114330978079), f487);
- y[53] = f505 + f506;
- y[9] = f507 - f506;
- f510 = f493 + f491;
- f511 = MUL_C(COEF_CONST((-0.4764341996931611)), f493);
- f512 = MUL_C(COEF_CONST(0.9039892931234433), f510);
- f513 = MUL_C(COEF_CONST(1.3315443865537255), f491);
- y[45] = f511 + f512;
- y[17] = f513 - f512;
- f516 = f497 + f495;
- f517 = MUL_C(COEF_CONST((-0.2075082269882114)), f497);
- f518 = MUL_C(COEF_CONST(0.8032075314806448), f516);
- f519 = MUL_C(COEF_CONST(1.3989068359730783), f495);
- y[37] = f517 + f518;
- y[25] = f519 - f518;
- f522 = f484 + f482;
- f523 = MUL_C(COEF_CONST(0.0693921705079408), f484);
- f524 = MUL_C(COEF_CONST(0.6715589548470183), f522);
- f525 = MUL_C(COEF_CONST(1.4125100802019774), f482);
- y[29] = f523 + f524;
- y[33] = f525 - f524;
- f528 = f488 + f486;
- f529 = MUL_C(COEF_CONST(0.3436258658070505), f488);
- f530 = MUL_C(COEF_CONST(0.5141027441932217), f528);
- f531 = MUL_C(COEF_CONST(1.3718313541934939), f486);
- y[21] = f529 + f530;
- y[41] = f531 - f530;
- f534 = f490 - f492;
- f535 = MUL_C(COEF_CONST(0.6046542117908007), f492);
- f536 = MUL_C(COEF_CONST(0.3368898533922201), f534);
- f537 = MUL_C(COEF_CONST(1.2784339185752409), f490);
- y[13] = f536 - f535;
- y[49] = f537 - f536;
- f540 = f496 + f494;
- f541 = MUL_C(COEF_CONST(0.8424460355094192), f496);
- f542 = MUL_C(COEF_CONST(0.1467304744553618), f540);
- f543 = MUL_C(COEF_CONST(1.1359069844201428), f494);
- y[5] = f541 + f542;
- y[57] = f543 - f542;
- f546 = f354 + f384;
- f547 = f354 - f384;
- f548 = f356 + f382;
- f549 = f382 - f356;
- f550 = f358 + f380;
- f551 = f358 - f380;
- f552 = f360 + f378;
- f553 = f378 - f360;
- f554 = f362 + f376;
- f555 = f362 - f376;
- f556 = f364 + f374;
- f557 = f374 - f364;
- f558 = f366 + f372;
- f559 = f366 - f372;
- f560 = f368 + f370;
- f561 = f370 - f368;
- f562 = f547 - f561;
- f563 = f547 + f561;
- f564 = f549 - f559;
- f565 = f549 + f559;
- f566 = f551 - f557;
- f567 = f551 + f557;
- f568 = f553 - f555;
- f569 = f553 + f555;
- f570 = f563 - f569;
- f571 = f563 + f569;
- f572 = f565 - f567;
- f573 = f565 + f567;
- f574 = f571 - f573;
- y[63] = f571 + f573;
- y[31] = MUL_C(COEF_CONST(0.7071067811865476), f574);
- f577 = f570 + f572;
- f578 = MUL_C(COEF_CONST(1.3065629648763766), f570);
- f579 = MUL_C(COEF_CONST((-0.9238795325112866)), f577);
- f580 = MUL_C(COEF_CONST((-0.5411961001461967)), f572);
- y[15] = f578 + f579;
- y[47] = f580 - f579;
- f583 = f564 + f562;
- f584 = f566 + f564;
- f585 = f568 + f566;
- f586 = MUL_C(COEF_CONST(0.7071067811865476), f584);
- f587 = f562 - f586;
- f588 = f562 + f586;
- f589 = f583 + f585;
- f590 = MUL_C(COEF_CONST(1.3065629648763766), f583);
- f591 = MUL_C(COEF_CONST((-0.9238795325112866)), f589);
- f592 = MUL_C(COEF_CONST((-0.5411961001461967)), f585);
- f593 = f590 + f591;
- f594 = f592 - f591;
- f595 = f588 - f594;
- f596 = f588 + f594;
- f597 = f587 - f593;
- f598 = f587 + f593;
- y[55] = MUL_C(COEF_CONST(0.5097955791041592), f596);
- y[39] = MUL_C(COEF_CONST(0.6013448869350453), f598);
- y[23] = MUL_C(COEF_CONST(0.8999762231364156), f597);
- y[7] = MUL_C(COEF_CONST(2.5629154477415055), f595);
- f603 = MUL_C(COEF_CONST(0.5024192861881557), f546);
- f604 = MUL_C(COEF_CONST(0.5224986149396889), f548);
- f605 = MUL_C(COEF_CONST(0.5669440348163577), f550);
- f606 = MUL_C(COEF_CONST(0.6468217833599901), f552);
- f607 = MUL_C(COEF_CONST(0.7881546234512502), f554);
- f608 = MUL_C(COEF_CONST(1.0606776859903471), f556);
- f609 = MUL_C(COEF_CONST(1.7224470982383342), f558);
- f610 = MUL_C(COEF_CONST(5.1011486186891553), f560);
- f611 = f603 + f610;
- f612 = f603 - f610;
- f613 = f604 + f609;
- f614 = f609 - f604;
- f615 = f605 + f608;
- f616 = f605 - f608;
- f617 = f606 + f607;
- f618 = f607 - f606;
- f619 = f612 - f618;
- f620 = f612 + f618;
- f621 = f614 - f616;
- f622 = f614 + f616;
- f623 = f620 - f622;
- f624 = f620 + f622;
- f625 = MUL_C(COEF_CONST(0.7071067811865476), f623);
- f626 = f619 + f621;
- f627 = MUL_C(COEF_CONST(1.3065629648763766), f619);
- f628 = MUL_C(COEF_CONST((-0.9238795325112866)), f626);
- f629 = MUL_C(COEF_CONST((-0.5411961001461967)), f621);
- f630 = f627 + f628;
- f631 = f629 - f628;
- f632 = f611 - f613;
- f633 = f615 - f613;
- f634 = f615 - f617;
- f635 = MUL_C(COEF_CONST(0.7071067811865476), f633);
- f636 = f611 - f635;
- f637 = f611 + f635;
- f638 = f632 + f634;
- f639 = MUL_C(COEF_CONST(1.3065629648763766), f632);
- f640 = MUL_C(COEF_CONST((-0.9238795325112866)), f638);
- f641 = MUL_C(COEF_CONST((-0.5411961001461967)), f634);
- f642 = f639 + f640;
- f643 = f641 - f640;
- f644 = f637 - f643;
- f645 = f637 + f643;
- f646 = f636 - f642;
- f647 = f636 + f642;
- f648 = MUL_C(COEF_CONST(0.5097955791041592), f645);
- f649 = MUL_C(COEF_CONST(0.6013448869350453), f647);
- f650 = MUL_C(COEF_CONST(0.8999762231364156), f646);
- y[3] = MUL_C(COEF_CONST(2.5629154477415055), f644);
- y[59] = f624 + f648;
- y[51] = f648 + f631;
- y[43] = f631 + f649;
- y[35] = f649 + f625;
- y[27] = f625 + f650;
- y[19] = f650 + f630;
- y[11] = f630 + y[3];
+
+ // Stage 3 of 32 point FFT decimation in frequency
+ // 2*4*2=16 multiplications
+ // 4*4*2+6*4*2=10*8=80 additions
+ for (i = 0; i < n; i += 8)
+ {
+ i2 = i+4;
+ point1_real = Real[i];
+ point1_imag = Imag[i];
+
+ point2_real = Real[i2];
+ point2_imag = Imag[i2];
+
+ // out[i1] = point1 + point2
+ Real[i] += point2_real;
+ Imag[i] += point2_imag;
+
+ // out[i2] = point1 - point2
+ Real[i2] = point1_real - point2_real;
+ Imag[i2] = point1_imag - point2_imag;
+ }
+ w_real = w_array_real[4]; // = sqrt(2)/2
+ // w_imag = -w_real; // = w_array_imag[4]; // = -sqrt(2)/2
+ for (i = 1; i < n; i += 8)
+ {
+ i2 = i+4;
+ point1_real = Real[i];
+ point1_imag = Imag[i];
+
+ point2_real = Real[i2];
+ point2_imag = Imag[i2];
+
+ // temp1 = x[i] - x[i2]
+ point1_real -= point2_real;
+ point1_imag -= point2_imag;
+
+ // x[i1] = x[i] + x[i2]
+ Real[i] += point2_real;
+ Imag[i] += point2_imag;
+
+ // x[i2] = (x[i] - x[i2]) * w
+ Real[i2] = MUL_F(point1_real+point1_imag, w_real);
+ Imag[i2] = MUL_F(point1_imag-point1_real, w_real);
+ }
+ for (i = 2; i < n; i += 8)
+ {
+ i2 = i+4;
+ point1_real = Real[i];
+ point1_imag = Imag[i];
+
+ point2_real = Real[i2];
+ point2_imag = Imag[i2];
+
+ // x[i] = x[i] + x[i2]
+ Real[i] += point2_real;
+ Imag[i] += point2_imag;
+
+ // x[i2] = (x[i] - x[i2]) * (-i)
+ Real[i2] = point1_imag - point2_imag;
+ Imag[i2] = point2_real - point1_real;
+ }
+ w_real = w_array_real[12]; // = -sqrt(2)/2
+ // w_imag = w_real; // = w_array_imag[12]; // = -sqrt(2)/2
+ for (i = 3; i < n; i += 8)
+ {
+ i2 = i+4;
+ point1_real = Real[i];
+ point1_imag = Imag[i];
+
+ point2_real = Real[i2];
+ point2_imag = Imag[i2];
+
+ // temp1 = x[i] - x[i2]
+ point1_real -= point2_real;
+ point1_imag -= point2_imag;
+
+ // x[i1] = x[i] + x[i2]
+ Real[i] += point2_real;
+ Imag[i] += point2_imag;
+
+ // x[i2] = (x[i] - x[i2]) * w
+ Real[i2] = MUL_F(point1_real-point1_imag, w_real);
+ Imag[i2] = MUL_F(point1_real+point1_imag, w_real);
+ }
+
+
+ // Stage 4 of 32 point FFT decimation in frequency (no multiplications)
+ // 16*4=64 additions
+ for (i = 0; i < n; i += 4)
+ {
+ i2 = i+2;
+ point1_real = Real[i];
+ point1_imag = Imag[i];
+
+ point2_real = Real[i2];
+ point2_imag = Imag[i2];
+
+ // x[i1] = x[i] + x[i2]
+ Real[i] += point2_real;
+ Imag[i] += point2_imag;
+
+ // x[i2] = x[i] - x[i2]
+ Real[i2] = point1_real - point2_real;
+ Imag[i2] = point1_imag - point2_imag;
+ }
+ for (i = 1; i < n; i += 4)
+ {
+ i2 = i+2;
+ point1_real = Real[i];
+ point1_imag = Imag[i];
+
+ point2_real = Real[i2];
+ point2_imag = Imag[i2];
+
+ // x[i] = x[i] + x[i2]
+ Real[i] += point2_real;
+ Imag[i] += point2_imag;
+
+ // x[i2] = (x[i] - x[i2]) * (-i)
+ Real[i2] = point1_imag - point2_imag;
+ Imag[i2] = point2_real - point1_real;
+ }
+
+ // Stage 5 of 32 point FFT decimation in frequency (no multiplications)
+ // 16*4=64 additions
+ for (i = 0; i < n; i += 2)
+ {
+ i2 = i+1;
+ point1_real = Real[i];
+ point1_imag = Imag[i];
+
+ point2_real = Real[i2];
+ point2_imag = Imag[i2];
+
+ // out[i1] = point1 + point2
+ Real[i] += point2_real;
+ Imag[i] += point2_imag;
+
+ // out[i2] = point1 - point2
+ Real[i2] = point1_real - point2_real;
+ Imag[i2] = point1_imag - point2_imag;
+ }
+
+#ifdef REORDER_IN_FFT
+ FFTReorder(Real, Imag);
+#endif // #ifdef REORDER_IN_FFT
}
+#undef n
+#undef log2n
-#else
+static const real_t dct4_64_tab[] = {
+ COEF_CONST(0.999924719333649), COEF_CONST(0.998118102550507),
+ COEF_CONST(0.993906974792480), COEF_CONST(0.987301409244537),
+ COEF_CONST(0.978317379951477), COEF_CONST(0.966976463794708),
+ COEF_CONST(0.953306019306183), COEF_CONST(0.937339007854462),
+ COEF_CONST(0.919113874435425), COEF_CONST(0.898674488067627),
+ COEF_CONST(0.876070082187653), COEF_CONST(0.851355195045471),
+ COEF_CONST(0.824589252471924), COEF_CONST(0.795836925506592),
+ COEF_CONST(0.765167236328125), COEF_CONST(0.732654273509979),
+ COEF_CONST(0.698376238346100), COEF_CONST(0.662415742874146),
+ COEF_CONST(0.624859452247620), COEF_CONST(0.585797846317291),
+ COEF_CONST(0.545324981212616), COEF_CONST(0.503538429737091),
+ COEF_CONST(0.460538715124130), COEF_CONST(0.416429549455643),
+ COEF_CONST(0.371317148208618), COEF_CONST(0.325310230255127),
+ COEF_CONST(0.278519600629807), COEF_CONST(0.231058135628700),
+ COEF_CONST(0.183039888739586), COEF_CONST(0.134580686688423),
+ COEF_CONST(0.085797272622585), COEF_CONST(0.036807164549828),
+ COEF_CONST(-1.012196302413940), COEF_CONST(-1.059438824653626),
+ COEF_CONST(-1.104129195213318), COEF_CONST(-1.146159529685974),
+ COEF_CONST(-1.185428738594055), COEF_CONST(-1.221842169761658),
+ COEF_CONST(-1.255311965942383), COEF_CONST(-1.285757660865784),
+ COEF_CONST(-1.313105940818787), COEF_CONST(-1.337290763854981),
+ COEF_CONST(-1.358253836631775), COEF_CONST(-1.375944852828980),
+ COEF_CONST(-1.390321016311646), COEF_CONST(-1.401347875595093),
+ COEF_CONST(-1.408998727798462), COEF_CONST(-1.413255214691162),
+ COEF_CONST(-1.414107084274292), COEF_CONST(-1.411552190780640),
+ COEF_CONST(-1.405596733093262), COEF_CONST(-1.396255016326904),
+ COEF_CONST(-1.383549690246582), COEF_CONST(-1.367511272430420),
+ COEF_CONST(-1.348178386688232), COEF_CONST(-1.325597524642944),
+ COEF_CONST(-1.299823284149170), COEF_CONST(-1.270917654037476),
+ COEF_CONST(-1.238950133323669), COEF_CONST(-1.203998088836670),
+ COEF_CONST(-1.166145324707031), COEF_CONST(-1.125483393669128),
+ COEF_CONST(-1.082109928131104), COEF_CONST(-1.036129593849182),
+ COEF_CONST(-0.987653195858002), COEF_CONST(-0.936797380447388),
+ COEF_CONST(-0.883684754371643), COEF_CONST(-0.828443288803101),
+ COEF_CONST(-0.771206021308899), COEF_CONST(-0.712110757827759),
+ COEF_CONST(-0.651300072669983), COEF_CONST(-0.588920354843140),
+ COEF_CONST(-0.525121808052063), COEF_CONST(-0.460058242082596),
+ COEF_CONST(-0.393886327743530), COEF_CONST(-0.326765477657318),
+ COEF_CONST(-0.258857429027557), COEF_CONST(-0.190325915813446),
+ COEF_CONST(-0.121335685253143), COEF_CONST(-0.052053272724152),
+ COEF_CONST(0.017354607582092), COEF_CONST(0.086720645427704),
+ COEF_CONST(0.155877828598022), COEF_CONST(0.224659323692322),
+ COEF_CONST(0.292899727821350), COEF_CONST(0.360434412956238),
+ COEF_CONST(0.427100926637650), COEF_CONST(0.492738455533981),
+ COEF_CONST(0.557188928127289), COEF_CONST(0.620297133922577),
+ COEF_CONST(0.681910991668701), COEF_CONST(0.741881847381592),
+ COEF_CONST(0.800065577030182), COEF_CONST(0.856321990489960),
+ COEF_CONST(0.910515367984772), COEF_CONST(0.962515234947205),
+ COEF_CONST(1.000000000000000), COEF_CONST(0.998795449733734),
+ COEF_CONST(0.995184719562531), COEF_CONST(0.989176511764526),
+ COEF_CONST(0.980785250663757), COEF_CONST(0.970031261444092),
+ COEF_CONST(0.956940352916718), COEF_CONST(0.941544055938721),
+ COEF_CONST(0.923879504203796), COEF_CONST(0.903989315032959),
+ COEF_CONST(0.881921231746674), COEF_CONST(0.857728600502014),
+ COEF_CONST(0.831469595432281), COEF_CONST(0.803207516670227),
+ COEF_CONST(0.773010432720184), COEF_CONST(0.740951120853424),
+ COEF_CONST(0.707106769084930), COEF_CONST(0.671558916568756),
+ COEF_CONST(0.634393274784088), COEF_CONST(0.595699310302734),
+ COEF_CONST(0.555570185184479), COEF_CONST(0.514102697372437),
+ COEF_CONST(0.471396654844284), COEF_CONST(0.427555114030838),
+ COEF_CONST(0.382683426141739), COEF_CONST(0.336889833211899),
+ COEF_CONST(0.290284633636475), COEF_CONST(0.242980122566223),
+ COEF_CONST(0.195090234279633), COEF_CONST(0.146730497479439),
+ COEF_CONST(0.098017133772373), COEF_CONST(0.049067649990320),
+ COEF_CONST(-1.000000000000000), COEF_CONST(-1.047863125801086),
+ COEF_CONST(-1.093201875686646), COEF_CONST(-1.135906934738159),
+ COEF_CONST(-1.175875544548035), COEF_CONST(-1.213011503219605),
+ COEF_CONST(-1.247225046157837), COEF_CONST(-1.278433918952942),
+ COEF_CONST(-1.306562900543213), COEF_CONST(-1.331544399261475),
+ COEF_CONST(-1.353317975997925), COEF_CONST(-1.371831417083740),
+ COEF_CONST(-1.387039899826050), COEF_CONST(-1.398906826972961),
+ COEF_CONST(-1.407403707504273), COEF_CONST(-1.412510156631470),
+ COEF_CONST(0), COEF_CONST(-1.412510156631470),
+ COEF_CONST(-1.407403707504273), COEF_CONST(-1.398906826972961),
+ COEF_CONST(-1.387039899826050), COEF_CONST(-1.371831417083740),
+ COEF_CONST(-1.353317975997925), COEF_CONST(-1.331544399261475),
+ COEF_CONST(-1.306562900543213), COEF_CONST(-1.278433918952942),
+ COEF_CONST(-1.247225046157837), COEF_CONST(-1.213011384010315),
+ COEF_CONST(-1.175875544548035), COEF_CONST(-1.135907053947449),
+ COEF_CONST(-1.093201875686646), COEF_CONST(-1.047863125801086),
+ COEF_CONST(-1.000000000000000), COEF_CONST(-0.949727773666382),
+ COEF_CONST(-0.897167563438416), COEF_CONST(-0.842446029186249),
+ COEF_CONST(-0.785694956779480), COEF_CONST(-0.727051079273224),
+ COEF_CONST(-0.666655659675598), COEF_CONST(-0.604654192924500),
+ COEF_CONST(-0.541196048259735), COEF_CONST(-0.476434230804443),
+ COEF_CONST(-0.410524487495422), COEF_CONST(-0.343625843524933),
+ COEF_CONST(-0.275899350643158), COEF_CONST(-0.207508206367493),
+ COEF_CONST(-0.138617098331451), COEF_CONST(-0.069392144680023),
+ COEF_CONST(0), COEF_CONST(0.069392263889313),
+ COEF_CONST(0.138617157936096), COEF_CONST(0.207508206367493),
+ COEF_CONST(0.275899469852448), COEF_CONST(0.343625962734222),
+ COEF_CONST(0.410524636507034), COEF_CONST(0.476434201002121),
+ COEF_CONST(0.541196107864380), COEF_CONST(0.604654192924500),
+ COEF_CONST(0.666655719280243), COEF_CONST(0.727051138877869),
+ COEF_CONST(0.785695075988770), COEF_CONST(0.842446029186249),
+ COEF_CONST(0.897167563438416), COEF_CONST(0.949727773666382)
+};
-void DCT4_64(real_t *y, real_t *x)
+/* size 64 only! */
+void dct4_kernel(real_t * in_real, real_t * in_imag, real_t * out_real, real_t * out_imag)
{
- int16_t i0;
- ALIGN static real_t t2[64];
+ // Tables with bit reverse values for 5 bits, bit reverse of i at i-th position
+ const uint8_t bit_rev_tab[32] = { 0,16,8,24,4,20,12,28,2,18,10,26,6,22,14,30,1,17,9,25,5,21,13,29,3,19,11,27,7,23,15,31 };
+ uint16_t i, i_rev;
+
+ /* Step 2: modulate */
+ // 3*32=96 multiplications
+ // 3*32=96 additions
+ for (i = 0; i < 32; i++)
+ {
+ real_t x_re, x_im, tmp;
+ x_re = in_real[i];
+ x_im = in_imag[i];
+ tmp = MUL_C(x_re + x_im, dct4_64_tab[i]);
+ in_real[i] = MUL_C(x_im, dct4_64_tab[i + 64]) + tmp;
+ in_imag[i] = MUL_C(x_re, dct4_64_tab[i + 32]) + tmp;
+ }
+
+ /* Step 3: FFT, but with output in bit reverse order */
+ fft_dif(in_real, in_imag);
+
+ /* Step 4: modulate + bitreverse reordering */
+ // 3*31+2=95 multiplications
+ // 3*31+2=95 additions
+ for (i = 0; i < 16; i++)
+ {
+ real_t x_re, x_im, tmp;
+ i_rev = bit_rev_tab[i];
+ x_re = in_real[i_rev];
+ x_im = in_imag[i_rev];
- t2[0] = x[0];
- for (i0=0; i0<31; i0++)
+ tmp = MUL_C(x_re + x_im, dct4_64_tab[i + 3*32]);
+ out_real[i] = MUL_C(x_im, dct4_64_tab[i + 5*32]) + tmp;
+ out_imag[i] = MUL_C(x_re, dct4_64_tab[i + 4*32]) + tmp;
+ }
+ // i = 16, i_rev = 1 = rev(16);
+ out_imag[16] = MUL_C(in_imag[1] - in_real[1], dct4_64_tab[16 + 3*32]);
+ out_real[16] = MUL_C(in_real[1] + in_imag[1], dct4_64_tab[16 + 3*32]);
+ for (i = 17; i < 32; i++)
{
- t2[2*i0+1] = x[2*i0+1] - x[2*i0+2];
- t2[2*i0+2] = x[2*i0+1] + x[2*i0+2];
+ real_t x_re, x_im, tmp;
+ i_rev = bit_rev_tab[i];
+ x_re = in_real[i_rev];
+ x_im = in_imag[i_rev];
+ tmp = MUL_C(x_re + x_im, dct4_64_tab[i + 3*32]);
+ out_real[i] = MUL_C(x_im, dct4_64_tab[i + 5*32]) + tmp;
+ out_imag[i] = MUL_C(x_re, dct4_64_tab[i + 4*32]) + tmp;
}
- t2[63] = x[63];
- DCT4_64_kernel(y, t2);
}
-void DCT4_64_kernel(real_t *y, real_t *t2)
+void DST4_32(real_t *y, real_t *x)
{
- real_t f2, f3, f4, f5, f6, f7, f8;
- real_t f9, f10, f11, f12, f13, f14, f15;
- real_t f16, f17, f18, f19, f20, f21, f22;
- real_t f23, f24, f25, f26, f27, f28, f29;
- real_t f30, f31, f32, f33, f34, f35, f36;
- real_t f37, f38, f39, f40, f41, f42, f43;
- real_t f44, f45, f46, f47, f48, f49, f50;
- real_t f51, f52, f53, f54, f55, f56, f57;
- real_t f58, f59, f60, f61, f62, f63, f64;
- real_t f65, f66, f67, f68, f69, f70, f71;
- real_t f72, f73, f74, f75, f76, f77, f78;
- real_t f79, f80, f81, f82, f83, f84, f85;
- real_t f86, f87, f88, f89, f90, f91, f92;
- real_t f93, f94, f95, f96, f97, f98, f99;
- real_t f100, f101, f102, f103, f104, f105, f106;
- real_t f107, f108, f109, f110, f111, f112, f113;
- real_t f114, f115, f116, f117, f118, f119, f120;
- real_t f121, f122, f123, f124, f125, f126, f127;
- real_t f128, f129, f130, f131, f132, f133, f134;
- real_t f135, f136, f137, f138, f139, f140, f141;
- real_t f142, f143, f144, f145, f146, f147, f148;
- real_t f149, f150, f151, f152, f153, f154, f155;
- real_t f156, f157, f158, f159, f160, f161, f162;
- real_t f163, f164, f165, f166, f167, f168, f169;
- real_t f170, f171, f172, f173, f174, f175, f176;
- real_t f177, f178, f179, f180, f181, f182, f183;
- real_t f184, f185, f186, f187, f188, f189, f190;
- real_t f191, f192, f193, f194, f195, f196, f197;
- real_t f198, f199, f200, f201, f202, f203, f204;
- real_t f205, f206, f207, f208, f209, f210, f211;
- real_t f212, f213, f214, f215, f216, f217, f218;
- real_t f219, f220, f221, f222, f223, f224, f225;
- real_t f226, f227, f228, f229, f230, f231, f232;
- real_t f233, f234, f235, f236, f237, f238, f239;
- real_t f240, f241, f242, f243, f244, f245, f246;
- real_t f247, f248, f249, f250, f251, f252, f253;
- real_t f254, f255, f256, f257, f258, f259, f260;
- real_t f261, f262, f263, f264, f265, f266, f267;
- real_t f268, f269, f270, f271, f272, f273, f274;
- real_t f275, f276, f277, f278, f279, f280, f281;
- real_t f282, f283, f284, f285, f286, f287, f288;
- real_t f289, f290, f291, f292, f293, f294, f295;
- real_t f296, f297, f298, f299, f300, f301, f302;
- real_t f303, f304, f305, f306, f307, f308, f309;
- real_t f310, f311, f312, f313, f314, f315, f316;
- real_t f317, f318, f319, f320, f321, f322, f323;
- real_t f324, f325, f326, f327, f328, f329, f330;
- real_t f331, f332, f333, f334, f335, f336, f337;
- real_t f338, f339, f340, f341, f342, f343, f344;
- real_t f345, f346, f347, f348, f349, f350, f351;
- real_t f352, f353, f354, f355, f356, f357, f358;
- real_t f359, f360, f361, f362, f363, f364, f365;
- real_t f366, f367, f368, f369, f370, f371, f372;
- real_t f373, f374, f375, f376, f377, f378, f379;
- real_t f380, f381, f382, f383, f384, f385, f386;
- real_t f387, f388, f389, f390, f391, f392, f393;
- real_t f394, f395, f396, f397, f398, f399, f400;
- real_t f401, f402, f403, f404, f405, f406, f407;
- real_t f408, f409, f410, f411, f412, f413, f414;
- real_t f415, f416, f417, f418, f419, f420, f421;
- real_t f422, f423, f424, f425, f426, f427, f428;
- real_t f429, f430, f431, f432, f433, f434, f435;
- real_t f436, f437, f438, f439, f440, f441, f442;
- real_t f443, f444, f445, f446, f447, f448, f449;
- real_t f450, f451, f452, f453, f454, f455, f456;
- real_t f457, f458, f459, f460, f461, f462, f463;
- real_t f464, f465, f466, f467, f468, f469, f470;
- real_t f471, f472, f473, f474, f475, f476, f477;
- real_t f478, f479, f480, f481, f482, f483, f484;
- real_t f485, f486, f487, f488, f489, f490, f491;
- real_t f492, f493, f494, f495, f496, f497, f498;
- real_t f499, f500, f501, f502, f503, f504, f505;
- real_t f506, f507, f508, f509, f510, f511, f512;
- real_t f513, f514, f515, f516, f517, f518, f519;
- real_t f520, f521, f522, f523, f524, f525, f526;
- real_t f527, f528, f529, f530, f531, f532, f533;
- real_t f534, f535, f536, f537, f538, f539, f540;
- real_t f541, f542, f543, f544, f545, f546, f547;
- real_t f548, f549, f550, f551, f552, f553, f554;
- real_t f555, f556, f557, f558, f559, f560, f561;
- real_t f562, f563, f564, f565, f566, f567, f568;
- real_t f569, f570, f571, f572, f573, f574, f575;
- real_t f576, f577, f578, f579, f580, f581, f582;
- real_t f583, f584, f585, f586, f587, f588, f589;
- real_t f590, f591, f592, f593, f594, f595, f596;
- real_t f597, f598, f599, f600, f601, f602, f603;
- real_t f604, f605, f606, f607, f608, f609, f610;
- real_t f611, f612, f613, f614, f615, f618, f619;
- real_t f620, f621, f624, f625, f626, f627, f630;
- real_t f631, f632, f633, f636, f637, f638, f639;
- real_t f642, f643, f644, f645, f648, f649, f650;
- real_t f651, f654, f655, f656, f657, f660, f661;
- real_t f662, f663, f666, f667, f668, f669, f672;
- real_t f673, f674, f675, f678, f679, f680, f681;
- real_t f684, f685, f686, f687, f690, f691, f692;
- real_t f693, f696, f697, f698, f699, f702, f703;
- real_t f704, f705, f708, f709, f710, f711, f714;
- real_t f715, f716, f717, f720, f721, f722, f723;
- real_t f726, f727, f728, f729, f732, f733, f734;
- real_t f735, f738, f739, f740, f741, f744, f745;
- real_t f746, f747, f750, f751, f752, f753, f756;
- real_t f757, f758, f759, f762, f763, f764, f765;
- real_t f768, f769, f770, f771, f774, f775, f776;
- real_t f777, f780, f781, f782, f783, f786, f787;
- real_t f788, f789, f792, f793, f794, f795, f798;
- real_t f799, f800, f801;
-
- f2 = 0.7071067811865476 * t2[32];
- f3 = t2[0] - f2;
- f4 = t2[0] + f2;
- f5 = t2[16] + t2[48];
- f6 = 1.3065629648763766 * t2[16];
- f7 = (-0.9238795325112866) * f5;
- f8 = (-0.5411961001461967) * t2[48];
- f9 = f6 + f7;
- f10 = f8 - f7;
- f11 = f4 - f10;
- f12 = f4 + f10;
- f13 = f3 - f9;
- f14 = f3 + f9;
- f15 = t2[8] + t2[56];
- f16 = 1.1758756024193588 * t2[8];
- f17 = (-0.9807852804032304) * f15;
- f18 = (-0.7856949583871021) * t2[56];
- f19 = f16 + f17;
- f20 = f18 - f17;
- f21 = t2[24] + t2[40];
- f22 = 1.3870398453221473 * t2[24];
- f23 = (-0.8314696123025455) * f21;
- f24 = (-0.2758993792829436) * t2[40];
- f25 = f22 + f23;
- f26 = f24 - f23;
- f27 = f20 - f26;
- f28 = f20 + f26;
- f29 = 0.7071067811865476 * f27;
- f30 = f19 - f25;
- f31 = f19 + f25;
- f32 = 0.7071067811865476 * f31;
- f33 = f29 - f32;
- f34 = f29 + f32;
- f35 = f12 - f28;
- f36 = f12 + f28;
- f37 = f14 - f34;
- f38 = f14 + f34;
- f39 = f13 - f33;
- f40 = f13 + f33;
- f41 = f11 - f30;
- f42 = f11 + f30;
- f43 = t2[4] + t2[60];
- f44 = 1.0932018670017569 * t2[4];
- f45 = (-0.9951847266721969) * f43;
- f46 = (-0.8971675863426368) * t2[60];
- f47 = f44 + f45;
- f48 = f46 - f45;
- f49 = t2[12] + t2[52];
- f50 = 1.2472250129866711 * t2[12];
- f51 = (-0.9569403357322089) * f49;
- f52 = (-0.6666556584777469) * t2[52];
- f53 = f50 + f51;
- f54 = f52 - f51;
- f55 = t2[20] + t2[44];
- f56 = 1.3533180011743526 * t2[20];
- f57 = (-0.8819212643483551) * f55;
- f58 = (-0.4105245275223575) * t2[44];
- f59 = f56 + f57;
- f60 = f58 - f57;
- f61 = t2[28] + t2[36];
- f62 = 1.4074037375263826 * t2[28];
- f63 = (-0.7730104533627369) * f61;
- f64 = (-0.1386171691990913) * t2[36];
- f65 = f62 + f63;
- f66 = f64 - f63;
- f67 = f48 - f66;
- f68 = f48 + f66;
- f69 = f54 - f60;
- f70 = f54 + f60;
- f71 = f68 - f70;
- f72 = f68 + f70;
- f73 = 0.7071067811865476 * f71;
- f74 = f67 + f69;
- f75 = 1.3065629648763766 * f67;
- f76 = (-0.9238795325112866) * f74;
- f77 = (-0.5411961001461967) * f69;
- f78 = f75 + f76;
- f79 = f77 - f76;
- f80 = f47 - f65;
- f81 = f47 + f65;
- f82 = f53 - f59;
- f83 = f53 + f59;
- f84 = f81 + f83;
- f85 = 1.3065629648763770 * f81;
- f86 = (-0.3826834323650904) * f84;
- f87 = 0.5411961001461961 * f83;
- f88 = f85 + f86;
- f89 = f87 - f86;
- f90 = f80 - f82;
- f91 = f80 + f82;
- f92 = 0.7071067811865476 * f91;
- f93 = f79 - f89;
- f94 = f79 + f89;
- f95 = f73 - f92;
- f96 = f73 + f92;
- f97 = f78 - f88;
- f98 = f78 + f88;
- f99 = f36 - f72;
- f100 = f36 + f72;
- f101 = f38 - f94;
- f102 = f38 + f94;
- f103 = f40 - f93;
- f104 = f40 + f93;
- f105 = f42 - f96;
- f106 = f42 + f96;
- f107 = f41 - f95;
- f108 = f41 + f95;
- f109 = f39 - f98;
- f110 = f39 + f98;
- f111 = f37 - f97;
- f112 = f37 + f97;
- f113 = f35 - f90;
- f114 = f35 + f90;
- f115 = t2[2] + t2[62];
- f116 = 1.0478631305325901 * t2[2];
- f117 = (-0.9987954562051724) * f115;
- f118 = (-0.9497277818777548) * t2[62];
- f119 = f116 + f117;
- f120 = f118 - f117;
- f121 = t2[10] + t2[54];
- f122 = 1.2130114330978077 * t2[10];
- f123 = (-0.9700312531945440) * f121;
- f124 = (-0.7270510732912803) * t2[54];
- f125 = f122 + f123;
+ real_t f0, f1, f2, f3, f4, f5, f6, f7, f8, f9;
+ real_t f10, f11, f12, f13, f14, f15, f16, f17, f18, f19;
+ real_t f20, f21, f22, f23, f24, f25, f26, f27, f28, f29;
+ real_t f30, f31, f32, f33, f34, f35, f36, f37, f38, f39;
+ real_t f40, f41, f42, f43, f44, f45, f46, f47, f48, f49;
+ real_t f50, f51, f52, f53, f54, f55, f56, f57, f58, f59;
+ real_t f60, f61, f62, f63, f64, f65, f66, f67, f68, f69;
+ real_t f70, f71, f72, f73, f74, f75, f76, f77, f78, f79;
+ real_t f80, f81, f82, f83, f84, f85, f86, f87, f88, f89;
+ real_t f90, f91, f92, f93, f94, f95, f96, f97, f98, f99;
+ real_t f100, f101, f102, f103, f104, f105, f106, f107, f108, f109;
+ real_t f110, f111, f112, f113, f114, f115, f116, f117, f118, f119;
+ real_t f120, f121, f122, f123, f124, f125, f126, f127, f128, f129;
+ real_t f130, f131, f132, f133, f134, f135, f136, f137, f138, f139;
+ real_t f140, f141, f142, f143, f144, f145, f146, f147, f148, f149;
+ real_t f150, f151, f152, f153, f154, f155, f156, f157, f158, f159;
+ real_t f160, f161, f162, f163, f164, f165, f166, f167, f168, f169;
+ real_t f170, f171, f172, f173, f174, f175, f176, f177, f178, f179;
+ real_t f180, f181, f182, f183, f184, f185, f186, f187, f188, f189;
+ real_t f190, f191, f192, f193, f194, f195, f196, f197, f198, f199;
+ real_t f200, f201, f202, f203, f204, f205, f206, f207, f208, f209;
+ real_t f210, f211, f212, f213, f214, f215, f216, f217, f218, f219;
+ real_t f220, f221, f222, f223, f224, f225, f226, f227, f228, f229;
+ real_t f230, f231, f232, f233, f234, f235, f236, f237, f238, f239;
+ real_t f240, f241, f242, f243, f244, f245, f246, f247, f248, f249;
+ real_t f250, f251, f252, f253, f254, f255, f256, f257, f258, f259;
+ real_t f260, f261, f262, f263, f264, f265, f266, f267, f268, f269;
+ real_t f270, f271, f272, f273, f274, f275, f276, f277, f278, f279;
+ real_t f280, f281, f282, f283, f284, f285, f286, f287, f288, f289;
+ real_t f290, f291, f292, f293, f294, f295, f296, f297, f298, f299;
+ real_t f300, f301, f302, f303, f304, f305, f306, f307, f308, f309;
+ real_t f310, f311, f312, f313, f314, f315, f316, f317, f318, f319;
+ real_t f320, f321, f322, f323, f324, f325, f326, f327, f328, f329;
+ real_t f330, f331, f332, f333, f334, f335;
+
+ f0 = x[0] - x[1];
+ f1 = x[2] - x[1];
+ f2 = x[2] - x[3];
+ f3 = x[4] - x[3];
+ f4 = x[4] - x[5];
+ f5 = x[6] - x[5];
+ f6 = x[6] - x[7];
+ f7 = x[8] - x[7];
+ f8 = x[8] - x[9];
+ f9 = x[10] - x[9];
+ f10 = x[10] - x[11];
+ f11 = x[12] - x[11];
+ f12 = x[12] - x[13];
+ f13 = x[14] - x[13];
+ f14 = x[14] - x[15];
+ f15 = x[16] - x[15];
+ f16 = x[16] - x[17];
+ f17 = x[18] - x[17];
+ f18 = x[18] - x[19];
+ f19 = x[20] - x[19];
+ f20 = x[20] - x[21];
+ f21 = x[22] - x[21];
+ f22 = x[22] - x[23];
+ f23 = x[24] - x[23];
+ f24 = x[24] - x[25];
+ f25 = x[26] - x[25];
+ f26 = x[26] - x[27];
+ f27 = x[28] - x[27];
+ f28 = x[28] - x[29];
+ f29 = x[30] - x[29];
+ f30 = x[30] - x[31];
+ f31 = MUL_F(FRAC_CONST(0.7071067811865476), f15);
+ f32 = x[0] - f31;
+ f33 = x[0] + f31;
+ f34 = f7 + f23;
+ f35 = MUL_C(COEF_CONST(1.3065629648763766), f7);
+ f36 = MUL_F(FRAC_CONST(-0.9238795325112866), f34);
+ f37 = MUL_F(FRAC_CONST(-0.5411961001461967), f23);
+ f38 = f35 + f36;
+ f39 = f37 - f36;
+ f40 = f33 - f39;
+ f41 = f33 + f39;
+ f42 = f32 - f38;
+ f43 = f32 + f38;
+ f44 = f11 - f19;
+ f45 = f11 + f19;
+ f46 = MUL_F(FRAC_CONST(0.7071067811865476), f45);
+ f47 = f3 - f46;
+ f48 = f3 + f46;
+ f49 = MUL_F(FRAC_CONST(0.7071067811865476), f44);
+ f50 = f49 - f27;
+ f51 = f49 + f27;
+ f52 = f51 + f48;
+ f53 = MUL_F(FRAC_CONST(-0.7856949583871021), f51);
+ f54 = MUL_F(FRAC_CONST(0.9807852804032304), f52);
+ f55 = MUL_C(COEF_CONST(1.1758756024193588), f48);
+ f56 = f53 + f54;
+ f57 = f55 - f54;
+ f58 = f50 + f47;
+ f59 = MUL_F(FRAC_CONST(-0.2758993792829430), f50);
+ f60 = MUL_F(FRAC_CONST(0.8314696123025452), f58);
+ f61 = MUL_C(COEF_CONST(1.3870398453221475), f47);
+ f62 = f59 + f60;
+ f63 = f61 - f60;
+ f64 = f41 - f56;
+ f65 = f41 + f56;
+ f66 = f43 - f62;
+ f67 = f43 + f62;
+ f68 = f42 - f63;
+ f69 = f42 + f63;
+ f70 = f40 - f57;
+ f71 = f40 + f57;
+ f72 = f5 - f9;
+ f73 = f5 + f9;
+ f74 = f13 - f17;
+ f75 = f13 + f17;
+ f76 = f21 - f25;
+ f77 = f21 + f25;
+ f78 = MUL_F(FRAC_CONST(0.7071067811865476), f75);
+ f79 = f1 - f78;
+ f80 = f1 + f78;
+ f81 = f73 + f77;
+ f82 = MUL_C(COEF_CONST(1.3065629648763766), f73);
+ f83 = MUL_F(FRAC_CONST(-0.9238795325112866), f81);
+ f84 = MUL_F(FRAC_CONST(-0.5411961001461967), f77);
+ f85 = f82 + f83;
+ f86 = f84 - f83;
+ f87 = f80 - f86;
+ f88 = f80 + f86;
+ f89 = f79 - f85;
+ f90 = f79 + f85;
+ f91 = MUL_F(FRAC_CONST(0.7071067811865476), f74);
+ f92 = f29 - f91;
+ f93 = f29 + f91;
+ f94 = f76 + f72;
+ f95 = MUL_C(COEF_CONST(1.3065629648763766), f76);
+ f96 = MUL_F(FRAC_CONST(-0.9238795325112866), f94);
+ f97 = MUL_F(FRAC_CONST(-0.5411961001461967), f72);
+ f98 = f95 + f96;
+ f99 = f97 - f96;
+ f100 = f93 - f99;
+ f101 = f93 + f99;
+ f102 = f92 - f98;
+ f103 = f92 + f98;
+ f104 = f101 + f88;
+ f105 = MUL_F(FRAC_CONST(-0.8971675863426361), f101);
+ f106 = MUL_F(FRAC_CONST(0.9951847266721968), f104);
+ f107 = MUL_C(COEF_CONST(1.0932018670017576), f88);
+ f108 = f105 + f106;
+ f109 = f107 - f106;
+ f110 = f90 - f103;
+ f111 = MUL_F(FRAC_CONST(-0.6666556584777466), f103);
+ f112 = MUL_F(FRAC_CONST(0.9569403357322089), f110);
+ f113 = MUL_C(COEF_CONST(1.2472250129866713), f90);
+ f114 = f112 - f111;
+ f115 = f113 - f112;
+ f116 = f102 + f89;
+ f117 = MUL_F(FRAC_CONST(-0.4105245275223571), f102);
+ f118 = MUL_F(FRAC_CONST(0.8819212643483549), f116);
+ f119 = MUL_C(COEF_CONST(1.3533180011743529), f89);
+ f120 = f117 + f118;
+ f121 = f119 - f118;
+ f122 = f87 - f100;
+ f123 = MUL_F(FRAC_CONST(-0.1386171691990915), f100);
+ f124 = MUL_F(FRAC_CONST(0.7730104533627370), f122);
+ f125 = MUL_C(COEF_CONST(1.4074037375263826), f87);
f126 = f124 - f123;
- f127 = t2[18] + t2[46];
- f128 = 1.3315443865537255 * t2[18];
- f129 = (-0.9039892931234433) * f127;
- f130 = (-0.4764341996931612) * t2[46];
- f131 = f128 + f129;
- f132 = f130 - f129;
- f133 = t2[26] + t2[38];
- f134 = 1.3989068359730781 * t2[26];
- f135 = (-0.8032075314806453) * f133;
- f136 = (-0.2075082269882124) * t2[38];
- f137 = f134 + f135;
- f138 = f136 - f135;
- f139 = t2[34] + t2[30];
- f140 = 1.4125100802019777 * t2[34];
- f141 = (-0.6715589548470187) * f139;
- f142 = 0.0693921705079402 * t2[30];
- f143 = f140 + f141;
- f144 = f142 - f141;
- f145 = t2[42] + t2[22];
- f146 = 1.3718313541934939 * t2[42];
- f147 = (-0.5141027441932219) * f145;
- f148 = 0.3436258658070501 * t2[22];
- f149 = f146 + f147;
- f150 = f148 - f147;
- f151 = t2[50] + t2[14];
- f152 = 1.2784339185752409 * t2[50];
- f153 = (-0.3368898533922200) * f151;
- f154 = 0.6046542117908008 * t2[14];
- f155 = f152 + f153;
- f156 = f154 - f153;
- f157 = t2[58] + t2[6];
- f158 = 1.1359069844201433 * t2[58];
- f159 = (-0.1467304744553624) * f157;
- f160 = 0.8424460355094185 * t2[6];
- f161 = f158 + f159;
- f162 = f160 - f159;
- f163 = f120 - f144;
- f164 = f120 + f144;
- f165 = f119 - f143;
- f166 = f119 + f143;
- f167 = f126 - f150;
- f168 = f126 + f150;
- f169 = f125 - f149;
- f170 = f125 + f149;
- f171 = f132 - f156;
- f172 = f132 + f156;
- f173 = f131 - f155;
- f174 = f131 + f155;
- f175 = f138 - f162;
- f176 = f138 + f162;
- f177 = f137 - f161;
- f178 = f137 + f161;
- f179 = f163 + f165;
- f180 = 1.1758756024193588 * f163;
- f181 = (-0.9807852804032304) * f179;
- f182 = (-0.7856949583871021) * f165;
- f183 = f180 + f181;
- f184 = f182 - f181;
- f185 = f167 + f169;
- f186 = 1.3870398453221475 * f167;
- f187 = (-0.5555702330196022) * f185;
- f188 = 0.2758993792829431 * f169;
- f189 = f186 + f187;
- f190 = f188 - f187;
- f191 = f171 + f173;
- f192 = 0.7856949583871022 * f171;
- f193 = 0.1950903220161283 * f191;
- f194 = 1.1758756024193586 * f173;
- f195 = f192 + f193;
- f196 = f194 - f193;
- f197 = f175 + f177;
- f198 = (-0.2758993792829430) * f175;
- f199 = 0.8314696123025452 * f197;
- f200 = 1.3870398453221475 * f177;
- f201 = f198 + f199;
- f202 = f200 - f199;
- f203 = f164 - f172;
- f204 = f164 + f172;
- f205 = f166 - f174;
- f206 = f166 + f174;
- f207 = f168 - f176;
- f208 = f168 + f176;
- f209 = f170 - f178;
- f210 = f170 + f178;
- f211 = f184 - f196;
- f212 = f184 + f196;
- f213 = f183 - f195;
- f214 = f183 + f195;
- f215 = f190 - f202;
- f216 = f190 + f202;
- f217 = f189 - f201;
- f218 = f189 + f201;
- f219 = f203 + f205;
- f220 = 1.3065629648763766 * f203;
- f221 = (-0.9238795325112866) * f219;
- f222 = (-0.5411961001461967) * f205;
- f223 = f220 + f221;
- f224 = f222 - f221;
- f225 = f207 + f209;
- f226 = 0.5411961001461969 * f207;
- f227 = 0.3826834323650898 * f225;
- f228 = 1.3065629648763766 * f209;
- f229 = f226 + f227;
- f230 = f228 - f227;
- f231 = f211 + f213;
- f232 = 1.3065629648763766 * f211;
- f233 = (-0.9238795325112866) * f231;
- f234 = (-0.5411961001461967) * f213;
- f235 = f232 + f233;
- f236 = f234 - f233;
- f237 = f215 + f217;
- f238 = 0.5411961001461969 * f215;
- f239 = 0.3826834323650898 * f237;
- f240 = 1.3065629648763766 * f217;
- f241 = f238 + f239;
- f242 = f240 - f239;
- f243 = f204 - f208;
- f244 = f204 + f208;
- f245 = f206 - f210;
- f246 = f206 + f210;
- f247 = f224 - f230;
- f248 = f224 + f230;
- f249 = f223 - f229;
- f250 = f223 + f229;
- f251 = f212 - f216;
- f252 = f212 + f216;
- f253 = f214 - f218;
- f254 = f214 + f218;
- f255 = f236 - f242;
- f256 = f236 + f242;
- f257 = f235 - f241;
- f258 = f235 + f241;
- f259 = f243 - f245;
- f260 = f243 + f245;
- f261 = 0.7071067811865474 * f259;
- f262 = 0.7071067811865474 * f260;
- f263 = f247 - f249;
- f264 = f247 + f249;
- f265 = 0.7071067811865474 * f263;
- f266 = 0.7071067811865474 * f264;
- f267 = f251 - f253;
- f268 = f251 + f253;
- f269 = 0.7071067811865474 * f267;
- f270 = 0.7071067811865474 * f268;
- f271 = f255 - f257;
- f272 = f255 + f257;
- f273 = 0.7071067811865474 * f271;
- f274 = 0.7071067811865474 * f272;
- f275 = f100 - f244;
- f276 = f100 + f244;
- f277 = f102 - f252;
- f278 = f102 + f252;
- f279 = f104 - f256;
- f280 = f104 + f256;
- f281 = f106 - f248;
- f282 = f106 + f248;
- f283 = f108 - f266;
- f284 = f108 + f266;
- f285 = f110 - f274;
- f286 = f110 + f274;
- f287 = f112 - f270;
- f288 = f112 + f270;
- f289 = f114 - f262;
- f290 = f114 + f262;
- f291 = f113 - f261;
- f292 = f113 + f261;
- f293 = f111 - f269;
- f294 = f111 + f269;
- f295 = f109 - f273;
- f296 = f109 + f273;
- f297 = f107 - f265;
- f298 = f107 + f265;
- f299 = f105 - f250;
- f300 = f105 + f250;
- f301 = f103 - f258;
- f302 = f103 + f258;
- f303 = f101 - f254;
- f304 = f101 + f254;
- f305 = f99 - f246;
- f306 = f99 + f246;
- f307 = t2[1] - t2[61];
- f308 = 1.0478631305325901 * t2[1];
- f309 = (-0.9987954562051724) * f307;
- f310 = (-0.9497277818777548) * t2[61];
- f311 = f308 + f309;
- f312 = f309 + f310;
- f313 = t2[9] - t2[53];
- f314 = 1.2130114330978077 * t2[9];
- f315 = (-0.9700312531945440) * f313;
- f316 = (-0.7270510732912803) * t2[53];
- f317 = f314 + f315;
- f318 = f315 + f316;
- f319 = t2[17] - t2[45];
- f320 = 1.3315443865537255 * t2[17];
- f321 = (-0.9039892931234433) * f319;
- f322 = (-0.4764341996931612) * t2[45];
- f323 = f320 + f321;
- f324 = f321 + f322;
- f325 = t2[25] - t2[37];
- f326 = 1.3989068359730781 * t2[25];
- f327 = (-0.8032075314806453) * f325;
- f328 = (-0.2075082269882124) * t2[37];
- f329 = f326 + f327;
- f330 = f327 + f328;
- f331 = t2[33] - t2[29];
- f332 = 1.4125100802019777 * t2[33];
- f333 = (-0.6715589548470187) * f331;
- f334 = 0.0693921705079402 * t2[29];
- f335 = f332 + f333;
- f336 = f333 + f334;
- f337 = t2[41] - t2[21];
- f338 = 1.3718313541934939 * t2[41];
- f339 = (-0.5141027441932219) * f337;
- f340 = 0.3436258658070501 * t2[21];
- f341 = f338 + f339;
- f342 = f339 + f340;
- f343 = t2[49] - t2[13];
- f344 = 1.2784339185752409 * t2[49];
- f345 = (-0.3368898533922200) * f343;
- f346 = 0.6046542117908008 * t2[13];
- f347 = f344 + f345;
- f348 = f345 + f346;
- f349 = t2[57] - t2[5];
- f350 = 1.1359069844201433 * t2[57];
- f351 = (-0.1467304744553624) * f349;
- f352 = 0.8424460355094185 * t2[5];
- f353 = f350 + f351;
- f354 = f351 + f352;
- f355 = f336 - f312;
- f356 = f312 + f336;
- f357 = f311 - f335;
- f358 = f311 + f335;
- f359 = f342 - f318;
- f360 = f318 + f342;
- f361 = f317 - f341;
- f362 = f317 + f341;
- f363 = f348 - f324;
- f364 = f324 + f348;
- f365 = f323 - f347;
- f366 = f323 + f347;
- f367 = f354 - f330;
- f368 = f330 + f354;
- f369 = f329 - f353;
- f370 = f329 + f353;
- f371 = f355 + f357;
- f372 = 1.1758756024193588 * f355;
- f373 = (-0.9807852804032304) * f371;
- f374 = (-0.7856949583871021) * f357;
- f375 = f372 + f373;
- f376 = f374 - f373;
- f377 = f359 + f361;
- f378 = 1.3870398453221475 * f359;
- f379 = (-0.5555702330196022) * f377;
- f380 = 0.2758993792829431 * f361;
- f381 = f378 + f379;
- f382 = f380 - f379;
- f383 = f363 + f365;
- f384 = 0.7856949583871022 * f363;
- f385 = 0.1950903220161283 * f383;
- f386 = 1.1758756024193586 * f365;
- f387 = f384 + f385;
- f388 = f386 - f385;
- f389 = f367 + f369;
- f390 = (-0.2758993792829430) * f367;
- f391 = 0.8314696123025452 * f389;
- f392 = 1.3870398453221475 * f369;
- f393 = f390 + f391;
- f394 = f392 - f391;
- f395 = f364 - f356;
- f396 = f356 + f364;
- f397 = f358 - f366;
- f398 = f358 + f366;
- f399 = f368 - f360;
- f400 = f360 + f368;
- f401 = f362 - f370;
- f402 = f362 + f370;
- f403 = f376 - f388;
- f404 = f376 + f388;
- f405 = f375 - f387;
- f406 = f375 + f387;
- f407 = f382 - f394;
- f408 = f382 + f394;
- f409 = f381 - f393;
- f410 = f381 + f393;
- f411 = f395 + f397;
- f412 = 1.3065629648763766 * f395;
- f413 = (-0.9238795325112866) * f411;
- f414 = (-0.5411961001461967) * f397;
- f415 = f412 + f413;
- f416 = f414 - f413;
- f417 = f399 + f401;
- f418 = 0.5411961001461969 * f399;
- f419 = 0.3826834323650898 * f417;
- f420 = 1.3065629648763766 * f401;
- f421 = f418 + f419;
- f422 = f420 - f419;
- f423 = f403 + f405;
- f424 = 1.3065629648763766 * f403;
- f425 = (-0.9238795325112866) * f423;
- f426 = (-0.5411961001461967) * f405;
- f427 = f424 + f425;
- f428 = f426 - f425;
- f429 = f407 + f409;
- f430 = 0.5411961001461969 * f407;
- f431 = 0.3826834323650898 * f429;
- f432 = 1.3065629648763766 * f409;
- f433 = f430 + f431;
- f434 = f432 - f431;
- f435 = f400 - f396;
- f436 = f396 + f400;
- f437 = f398 - f402;
- f438 = f398 + f402;
- f439 = f416 - f422;
- f440 = f416 + f422;
- f441 = f415 - f421;
- f442 = f415 + f421;
- f443 = f404 - f408;
- f444 = f404 + f408;
- f445 = f406 - f410;
- f446 = f406 + f410;
- f447 = f428 - f434;
- f448 = f428 + f434;
- f449 = f427 - f433;
- f450 = f427 + f433;
- f451 = f435 - f437;
- f452 = f435 + f437;
- f453 = 0.7071067811865474 * f451;
- f454 = 0.7071067811865474 * f452;
- f455 = f439 - f441;
- f456 = f439 + f441;
- f457 = 0.7071067811865474 * f455;
- f458 = 0.7071067811865474 * f456;
- f459 = f443 - f445;
- f460 = f443 + f445;
- f461 = 0.7071067811865474 * f459;
- f462 = 0.7071067811865474 * f460;
- f463 = f447 - f449;
- f464 = f447 + f449;
- f465 = 0.7071067811865474 * f463;
- f466 = 0.7071067811865474 * f464;
- f467 = 0.7071067811865476 * t2[31];
- f468 = t2[63] - f467;
- f469 = t2[63] + f467;
- f470 = t2[47] + t2[15];
- f471 = 1.3065629648763766 * t2[47];
- f472 = (-0.9238795325112866) * f470;
- f473 = (-0.5411961001461967) * t2[15];
- f474 = f471 + f472;
- f475 = f473 - f472;
- f476 = f469 - f475;
- f477 = f469 + f475;
- f478 = f468 - f474;
- f479 = f468 + f474;
- f480 = t2[55] + t2[7];
- f481 = 1.1758756024193588 * t2[55];
- f482 = (-0.9807852804032304) * f480;
- f483 = (-0.7856949583871021) * t2[7];
- f484 = f481 + f482;
- f485 = f483 - f482;
- f486 = t2[39] + t2[23];
- f487 = 1.3870398453221473 * t2[39];
- f488 = (-0.8314696123025455) * f486;
- f489 = (-0.2758993792829436) * t2[23];
- f490 = f487 + f488;
- f491 = f489 - f488;
- f492 = f485 - f491;
- f493 = f485 + f491;
- f494 = 0.7071067811865476 * f492;
- f495 = f484 - f490;
- f496 = f484 + f490;
- f497 = 0.7071067811865476 * f496;
- f498 = f494 - f497;
- f499 = f494 + f497;
- f500 = f477 - f493;
- f501 = f477 + f493;
- f502 = f479 - f499;
- f503 = f479 + f499;
- f504 = f478 - f498;
- f505 = f478 + f498;
- f506 = f476 - f495;
- f507 = f476 + f495;
- f508 = t2[59] + t2[3];
- f509 = 1.0932018670017569 * t2[59];
- f510 = (-0.9951847266721969) * f508;
- f511 = (-0.8971675863426368) * t2[3];
- f512 = f509 + f510;
- f513 = f511 - f510;
- f514 = t2[51] + t2[11];
- f515 = 1.2472250129866711 * t2[51];
- f516 = (-0.9569403357322089) * f514;
- f517 = (-0.6666556584777469) * t2[11];
- f518 = f515 + f516;
- f519 = f517 - f516;
- f520 = t2[43] + t2[19];
- f521 = 1.3533180011743526 * t2[43];
- f522 = (-0.8819212643483551) * f520;
- f523 = (-0.4105245275223575) * t2[19];
- f524 = f521 + f522;
- f525 = f523 - f522;
- f526 = t2[35] + t2[27];
- f527 = 1.4074037375263826 * t2[35];
- f528 = (-0.7730104533627369) * f526;
- f529 = (-0.1386171691990913) * t2[27];
- f530 = f527 + f528;
- f531 = f529 - f528;
- f532 = f513 - f531;
- f533 = f513 + f531;
- f534 = f519 - f525;
- f535 = f519 + f525;
- f536 = f533 - f535;
- f537 = f533 + f535;
- f538 = 0.7071067811865476 * f536;
- f539 = f532 + f534;
- f540 = 1.3065629648763766 * f532;
- f541 = (-0.9238795325112866) * f539;
- f542 = (-0.5411961001461967) * f534;
- f543 = f540 + f541;
- f544 = f542 - f541;
- f545 = f512 - f530;
- f546 = f512 + f530;
- f547 = f518 - f524;
- f548 = f518 + f524;
- f549 = f546 + f548;
- f550 = 1.3065629648763770 * f546;
- f551 = (-0.3826834323650904) * f549;
- f552 = 0.5411961001461961 * f548;
- f553 = f550 + f551;
- f554 = f552 - f551;
- f555 = f545 - f547;
- f556 = f545 + f547;
- f557 = 0.7071067811865476 * f556;
- f558 = f544 - f554;
- f559 = f544 + f554;
- f560 = f538 - f557;
- f561 = f538 + f557;
- f562 = f543 - f553;
- f563 = f543 + f553;
- f564 = f501 - f537;
- f565 = f501 + f537;
- f566 = f503 - f559;
- f567 = f503 + f559;
- f568 = f505 - f558;
- f569 = f505 + f558;
- f570 = f507 - f561;
- f571 = f507 + f561;
- f572 = f506 - f560;
- f573 = f506 + f560;
- f574 = f504 - f563;
- f575 = f504 + f563;
- f576 = f502 - f562;
- f577 = f502 + f562;
- f578 = f500 - f555;
- f579 = f500 + f555;
- f580 = f438 - f565;
- f581 = f438 + f565;
- f582 = f446 + f567;
- f583 = f446 - f567;
- f584 = f450 - f569;
- f585 = f450 + f569;
- f586 = f442 + f571;
- f587 = f442 - f571;
- f588 = f457 - f573;
- f589 = f457 + f573;
- f590 = f465 + f575;
- f591 = f465 - f575;
- f592 = f461 - f577;
- f593 = f461 + f577;
- f594 = f453 + f579;
- f595 = f453 - f579;
- f596 = f454 - f578;
- f597 = f454 + f578;
- f598 = f462 + f576;
- f599 = f462 - f576;
- f600 = f466 - f574;
- f601 = f466 + f574;
- f602 = f458 + f572;
- f603 = f458 - f572;
- f604 = f440 - f570;
- f605 = f440 + f570;
- f606 = f448 + f568;
- f607 = f448 - f568;
- f608 = f444 - f566;
- f609 = f444 + f566;
- f610 = f564 - f436;
- f611 = f436 + f564;
- f612 = f581 + f276;
- f613 = (-0.9876531635534246) * f581;
- f614 = 0.9999247018391445 * f612;
- f615 = 1.0121962401248645 * f276;
- y[0] = f613 + f614;
- y[63] = f615 - f614;
- f618 = f583 + f278;
- f619 = (-0.9625151616469906) * f583;
- f620 = 0.9993223845883495 * f618;
- f621 = 1.0361296075297086 * f278;
- y[1] = f619 + f620;
- y[62] = f621 - f620;
- f624 = f585 + f280;
- f625 = (-0.9367973765979405) * f585;
- f626 = 0.9981181129001492 * f624;
- f627 = 1.0594388492023579 * f280;
- y[2] = f625 + f626;
- y[61] = f627 - f626;
- f630 = f587 + f282;
- f631 = (-0.9105152998383381) * f587;
- f632 = 0.9963126121827780 * f630;
- f633 = 1.0821099245272179 * f282;
- y[3] = f631 + f632;
- y[60] = f633 - f632;
- f636 = f589 + f284;
- f637 = (-0.8836847627084729) * f589;
- f638 = 0.9939069700023561 * f636;
- f639 = 1.1041291772962392 * f284;
- y[4] = f637 + f638;
- y[59] = f639 - f638;
- f642 = f591 + f286;
- f643 = (-0.8563219269206538) * f591;
- f644 = 0.9909026354277800 * f642;
- f645 = 1.1254833439349063 * f286;
- y[5] = f643 + f644;
- y[58] = f645 - f644;
- f648 = f593 + f288;
- f649 = (-0.8284432748239970) * f593;
- f650 = 0.9873014181578584 * f648;
- f651 = 1.1461595614917197 * f288;
- y[6] = f649 + f650;
- y[57] = f651 - f650;
- f654 = f595 + f290;
- f655 = (-0.8000655994760753) * f595;
- f656 = 0.9831054874312163 * f654;
- f657 = 1.1661453753863573 * f290;
- y[7] = f655 + f656;
- y[56] = f657 - f656;
- f660 = f597 + f292;
- f661 = (-0.7712059945274091) * f597;
- f662 = 0.9783173707196277 * f660;
- f663 = 1.1854287469118463 * f292;
- y[8] = f661 + f662;
- y[55] = f663 - f662;
- f666 = f599 + f294;
- f667 = (-0.7418818439248888) * f599;
- f668 = 0.9729399522055601 * f666;
- f669 = 1.2039980604862313 * f294;
- y[9] = f667 + f668;
- y[54] = f669 - f668;
- f672 = f601 + f296;
- f673 = (-0.7121108114403374) * f601;
- f674 = 0.9669764710448521 * f672;
- f675 = 1.2218421306493668 * f296;
- y[10] = f673 + f674;
- y[53] = f675 - f674;
- f678 = f603 + f298;
- f679 = (-0.6819108300305128) * f603;
- f680 = 0.9604305194155658 * f678;
- f681 = 1.2389502088006188 * f298;
- y[11] = f679 + f680;
- y[52] = f681 - f680;
- f684 = f605 + f300;
- f685 = (-0.6513000910349656) * f605;
- f686 = 0.9533060403541938 * f684;
- f687 = 1.2553119896734219 * f300;
- y[12] = f685 + f686;
- y[51] = f687 - f686;
- f690 = f607 + f302;
- f691 = (-0.6202970332182582) * f607;
- f692 = 0.9456073253805213 * f690;
- f693 = 1.2709176175427843 * f302;
- y[13] = f691 + f692;
- y[50] = f693 - f692;
- f696 = f609 + f304;
- f697 = (-0.5889203316631404) * f609;
- f698 = 0.9373390119125750 * f696;
- f699 = 1.2857576921620095 * f304;
- y[14] = f697 + f698;
- y[49] = f699 - f698;
- f702 = f306 - f611;
- f703 = (-0.5571888865213779) * f611;
- f704 = 0.9285060804732155 * f702;
- f705 = 1.2998232744250531 * f306;
- y[15] = f704 - f703;
- y[48] = f705 - f704;
- f708 = f610 + f305;
- f709 = (-0.5251218116290097) * f610;
- f710 = 0.9191138516900578 * f708;
- f711 = 1.3131058917511058 * f305;
- y[16] = f709 + f710;
- y[47] = f711 - f710;
- f714 = f608 + f303;
- f715 = (-0.4927384229928850) * f608;
- f716 = 0.9091679830905223 * f714;
- f717 = 1.3255975431881595 * f303;
- y[17] = f715 + f716;
- y[46] = f717 - f716;
- f720 = f606 + f301;
- f721 = (-0.4600582271554261) * f606;
- f722 = 0.8986744656939538 * f720;
- f723 = 1.3372907042324815 * f301;
- y[18] = f721 + f722;
- y[45] = f723 - f722;
- f726 = f604 + f299;
- f727 = (-0.4271009094446139) * f604;
- f728 = 0.8876396204028539 * f726;
- f729 = 1.3481783313610940 * f299;
- y[19] = f727 + f728;
- y[44] = f729 - f728;
- f732 = f602 + f297;
- f733 = (-0.3938863221162838) * f602;
- f734 = 0.8760700941954066 * f732;
- f735 = 1.3582538662745294 * f297;
- y[20] = f733 + f734;
- y[43] = f735 - f734;
- f738 = f600 + f295;
- f739 = (-0.3604344723958691) * f600;
- f740 = 0.8639728561215867 * f738;
- f741 = 1.3675112398473042 * f295;
- y[21] = f739 + f740;
- y[42] = f741 - f740;
- f744 = f598 + f293;
- f745 = (-0.3267655104267964) * f598;
- f746 = 0.8513551931052652 * f744;
- f747 = 1.3759448757837340 * f293;
- y[22] = f745 + f746;
- y[41] = f747 - f746;
- f750 = f596 + f291;
- f751 = (-0.2928997171327915) * f596;
- f752 = 0.8382247055548380 * f750;
- f753 = 1.3835496939768843 * f291;
- y[23] = f751 + f752;
- y[40] = f753 - f752;
- f756 = f594 + f289;
- f757 = (-0.2588574920014121) * f594;
- f758 = 0.8245893027850253 * f756;
- f759 = 1.3903211135686386 * f289;
- y[24] = f757 + f758;
- y[39] = f759 - f758;
- f762 = f592 + f287;
- f763 = (-0.2246593407961559) * f592;
- f764 = 0.8104571982525948 * f762;
- f765 = 1.3962550557090336 * f287;
- y[25] = f763 + f764;
- y[38] = f765 - f764;
- f768 = f590 + f285;
- f769 = (-0.1903258632045579) * f590;
- f770 = 0.7958369046088835 * f768;
- f771 = 1.4013479460132090 * f285;
- y[26] = f769 + f770;
- y[37] = f771 - f770;
- f774 = f588 + f283;
- f775 = (-0.1558777404297079) * f588;
- f776 = 0.7807372285720944 * f774;
- f777 = 1.4055967167144807 * f283;
- y[27] = f775 + f776;
- y[36] = f777 - f776;
- f780 = f586 + f281;
- f781 = (-0.1213357227326675) * f586;
- f782 = 0.7651672656224590 * f780;
- f783 = 1.4089988085122505 * f281;
- y[28] = f781 + f782;
- y[35] = f783 - f782;
- f786 = f584 + f279;
- f787 = (-0.0867206169332875) * f584;
- f788 = 0.7491363945234593 * f786;
- f789 = 1.4115521721136310 * f279;
- y[29] = f787 + f788;
- y[34] = f789 - f788;
- f792 = f582 + f277;
- f793 = (-0.0520532738769597) * f582;
- f794 = 0.7326542716724128 * f792;
- f795 = 1.4132552694678659 * f277;
- y[30] = f793 + f794;
- y[33] = f795 - f794;
- f798 = f580 + f275;
- f799 = (-0.0173545758748457) * f580;
- f800 = 0.7157308252838186 * f798;
- f801 = 1.4141070746927915 * f275;
- y[31] = f799 + f800;
- y[32] = f801 - f800;
+ f127 = f125 - f124;
+ f128 = f65 - f108;
+ f129 = f65 + f108;
+ f130 = f67 - f114;
+ f131 = f67 + f114;
+ f132 = f69 - f120;
+ f133 = f69 + f120;
+ f134 = f71 - f126;
+ f135 = f71 + f126;
+ f136 = f70 - f127;
+ f137 = f70 + f127;
+ f138 = f68 - f121;
+ f139 = f68 + f121;
+ f140 = f66 - f115;
+ f141 = f66 + f115;
+ f142 = f64 - f109;
+ f143 = f64 + f109;
+ f144 = f0 + f30;
+ f145 = MUL_C(COEF_CONST(1.0478631305325901), f0);
+ f146 = MUL_F(FRAC_CONST(-0.9987954562051724), f144);
+ f147 = MUL_F(FRAC_CONST(-0.9497277818777548), f30);
+ f148 = f145 + f146;
+ f149 = f147 - f146;
+ f150 = f4 + f26;
+ f151 = MUL_F(FRAC_CONST(1.2130114330978077), f4);
+ f152 = MUL_F(FRAC_CONST(-0.9700312531945440), f150);
+ f153 = MUL_F(FRAC_CONST(-0.7270510732912803), f26);
+ f154 = f151 + f152;
+ f155 = f153 - f152;
+ f156 = f8 + f22;
+ f157 = MUL_C(COEF_CONST(1.3315443865537255), f8);
+ f158 = MUL_F(FRAC_CONST(-0.9039892931234433), f156);
+ f159 = MUL_F(FRAC_CONST(-0.4764341996931612), f22);
+ f160 = f157 + f158;
+ f161 = f159 - f158;
+ f162 = f12 + f18;
+ f163 = MUL_C(COEF_CONST(1.3989068359730781), f12);
+ f164 = MUL_F(FRAC_CONST(-0.8032075314806453), f162);
+ f165 = MUL_F(FRAC_CONST(-0.2075082269882124), f18);
+ f166 = f163 + f164;
+ f167 = f165 - f164;
+ f168 = f16 + f14;
+ f169 = MUL_C(COEF_CONST(1.4125100802019777), f16);
+ f170 = MUL_F(FRAC_CONST(-0.6715589548470187), f168);
+ f171 = MUL_F(FRAC_CONST(0.0693921705079402), f14);
+ f172 = f169 + f170;
+ f173 = f171 - f170;
+ f174 = f20 + f10;
+ f175 = MUL_C(COEF_CONST(1.3718313541934939), f20);
+ f176 = MUL_F(FRAC_CONST(-0.5141027441932219), f174);
+ f177 = MUL_F(FRAC_CONST(0.3436258658070501), f10);
+ f178 = f175 + f176;
+ f179 = f177 - f176;
+ f180 = f24 + f6;
+ f181 = MUL_C(COEF_CONST(1.2784339185752409), f24);
+ f182 = MUL_F(FRAC_CONST(-0.3368898533922200), f180);
+ f183 = MUL_F(FRAC_CONST(0.6046542117908008), f6);
+ f184 = f181 + f182;
+ f185 = f183 - f182;
+ f186 = f28 + f2;
+ f187 = MUL_C(COEF_CONST(1.1359069844201433), f28);
+ f188 = MUL_F(FRAC_CONST(-0.1467304744553624), f186);
+ f189 = MUL_F(FRAC_CONST(0.8424460355094185), f2);
+ f190 = f187 + f188;
+ f191 = f189 - f188;
+ f192 = f149 - f173;
+ f193 = f149 + f173;
+ f194 = f148 - f172;
+ f195 = f148 + f172;
+ f196 = f155 - f179;
+ f197 = f155 + f179;
+ f198 = f154 - f178;
+ f199 = f154 + f178;
+ f200 = f161 - f185;
+ f201 = f161 + f185;
+ f202 = f160 - f184;
+ f203 = f160 + f184;
+ f204 = f167 - f191;
+ f205 = f167 + f191;
+ f206 = f166 - f190;
+ f207 = f166 + f190;
+ f208 = f192 + f194;
+ f209 = MUL_C(COEF_CONST(1.1758756024193588), f192);
+ f210 = MUL_F(FRAC_CONST(-0.9807852804032304), f208);
+ f211 = MUL_F(FRAC_CONST(-0.7856949583871021), f194);
+ f212 = f209 + f210;
+ f213 = f211 - f210;
+ f214 = f196 + f198;
+ f215 = MUL_C(COEF_CONST(1.3870398453221475), f196);
+ f216 = MUL_F(FRAC_CONST(-0.5555702330196022), f214);
+ f217 = MUL_F(FRAC_CONST(0.2758993792829431), f198);
+ f218 = f215 + f216;
+ f219 = f217 - f216;
+ f220 = f200 + f202;
+ f221 = MUL_F(FRAC_CONST(0.7856949583871022), f200);
+ f222 = MUL_F(FRAC_CONST(0.1950903220161283), f220);
+ f223 = MUL_C(COEF_CONST(1.1758756024193586), f202);
+ f224 = f221 + f222;
+ f225 = f223 - f222;
+ f226 = f204 + f206;
+ f227 = MUL_F(FRAC_CONST(-0.2758993792829430), f204);
+ f228 = MUL_F(FRAC_CONST(0.8314696123025452), f226);
+ f229 = MUL_C(COEF_CONST(1.3870398453221475), f206);
+ f230 = f227 + f228;
+ f231 = f229 - f228;
+ f232 = f193 - f201;
+ f233 = f193 + f201;
+ f234 = f195 - f203;
+ f235 = f195 + f203;
+ f236 = f197 - f205;
+ f237 = f197 + f205;
+ f238 = f199 - f207;
+ f239 = f199 + f207;
+ f240 = f213 - f225;
+ f241 = f213 + f225;
+ f242 = f212 - f224;
+ f243 = f212 + f224;
+ f244 = f219 - f231;
+ f245 = f219 + f231;
+ f246 = f218 - f230;
+ f247 = f218 + f230;
+ f248 = f232 + f234;
+ f249 = MUL_C(COEF_CONST(1.3065629648763766), f232);
+ f250 = MUL_F(FRAC_CONST(-0.9238795325112866), f248);
+ f251 = MUL_F(FRAC_CONST(-0.5411961001461967), f234);
+ f252 = f249 + f250;
+ f253 = f251 - f250;
+ f254 = f236 + f238;
+ f255 = MUL_F(FRAC_CONST(0.5411961001461969), f236);
+ f256 = MUL_F(FRAC_CONST(0.3826834323650898), f254);
+ f257 = MUL_C(COEF_CONST(1.3065629648763766), f238);
+ f258 = f255 + f256;
+ f259 = f257 - f256;
+ f260 = f240 + f242;
+ f261 = MUL_C(COEF_CONST(1.3065629648763766), f240);
+ f262 = MUL_F(FRAC_CONST(-0.9238795325112866), f260);
+ f263 = MUL_F(FRAC_CONST(-0.5411961001461967), f242);
+ f264 = f261 + f262;
+ f265 = f263 - f262;
+ f266 = f244 + f246;
+ f267 = MUL_F(FRAC_CONST(0.5411961001461969), f244);
+ f268 = MUL_F(FRAC_CONST(0.3826834323650898), f266);
+ f269 = MUL_C(COEF_CONST(1.3065629648763766), f246);
+ f270 = f267 + f268;
+ f271 = f269 - f268;
+ f272 = f233 - f237;
+ f273 = f233 + f237;
+ f274 = f235 - f239;
+ f275 = f235 + f239;
+ f276 = f253 - f259;
+ f277 = f253 + f259;
+ f278 = f252 - f258;
+ f279 = f252 + f258;
+ f280 = f241 - f245;
+ f281 = f241 + f245;
+ f282 = f243 - f247;
+ f283 = f243 + f247;
+ f284 = f265 - f271;
+ f285 = f265 + f271;
+ f286 = f264 - f270;
+ f287 = f264 + f270;
+ f288 = f272 - f274;
+ f289 = f272 + f274;
+ f290 = MUL_F(FRAC_CONST(0.7071067811865474), f288);
+ f291 = MUL_F(FRAC_CONST(0.7071067811865474), f289);
+ f292 = f276 - f278;
+ f293 = f276 + f278;
+ f294 = MUL_F(FRAC_CONST(0.7071067811865474), f292);
+ f295 = MUL_F(FRAC_CONST(0.7071067811865474), f293);
+ f296 = f280 - f282;
+ f297 = f280 + f282;
+ f298 = MUL_F(FRAC_CONST(0.7071067811865474), f296);
+ f299 = MUL_F(FRAC_CONST(0.7071067811865474), f297);
+ f300 = f284 - f286;
+ f301 = f284 + f286;
+ f302 = MUL_F(FRAC_CONST(0.7071067811865474), f300);
+ f303 = MUL_F(FRAC_CONST(0.7071067811865474), f301);
+ f304 = f129 - f273;
+ f305 = f129 + f273;
+ f306 = f131 - f281;
+ f307 = f131 + f281;
+ f308 = f133 - f285;
+ f309 = f133 + f285;
+ f310 = f135 - f277;
+ f311 = f135 + f277;
+ f312 = f137 - f295;
+ f313 = f137 + f295;
+ f314 = f139 - f303;
+ f315 = f139 + f303;
+ f316 = f141 - f299;
+ f317 = f141 + f299;
+ f318 = f143 - f291;
+ f319 = f143 + f291;
+ f320 = f142 - f290;
+ f321 = f142 + f290;
+ f322 = f140 - f298;
+ f323 = f140 + f298;
+ f324 = f138 - f302;
+ f325 = f138 + f302;
+ f326 = f136 - f294;
+ f327 = f136 + f294;
+ f328 = f134 - f279;
+ f329 = f134 + f279;
+ f330 = f132 - f287;
+ f331 = f132 + f287;
+ f332 = f130 - f283;
+ f333 = f130 + f283;
+ f334 = f128 - f275;
+ f335 = f128 + f275;
+ y[31] = MUL_F(FRAC_CONST(0.5001506360206510), f305);
+ y[30] = MUL_F(FRAC_CONST(0.5013584524464084), f307);
+ y[29] = MUL_F(FRAC_CONST(0.5037887256810443), f309);
+ y[28] = MUL_F(FRAC_CONST(0.5074711720725553), f311);
+ y[27] = MUL_F(FRAC_CONST(0.5124514794082247), f313);
+ y[26] = MUL_F(FRAC_CONST(0.5187927131053328), f315);
+ y[25] = MUL_F(FRAC_CONST(0.5265773151542700), f317);
+ y[24] = MUL_F(FRAC_CONST(0.5359098169079920), f319);
+ y[23] = MUL_F(FRAC_CONST(0.5469204379855088), f321);
+ y[22] = MUL_F(FRAC_CONST(0.5597698129470802), f323);
+ y[21] = MUL_F(FRAC_CONST(0.5746551840326600), f325);
+ y[20] = MUL_F(FRAC_CONST(0.5918185358574165), f327);
+ y[19] = MUL_F(FRAC_CONST(0.6115573478825099), f329);
+ y[18] = MUL_F(FRAC_CONST(0.6342389366884031), f331);
+ y[17] = MUL_F(FRAC_CONST(0.6603198078137061), f333);
+ y[16] = MUL_F(FRAC_CONST(0.6903721282002123), f335);
+ y[15] = MUL_F(FRAC_CONST(0.7251205223771985), f334);
+ y[14] = MUL_F(FRAC_CONST(0.7654941649730891), f332);
+ y[13] = MUL_F(FRAC_CONST(0.8127020908144905), f330);
+ y[12] = MUL_F(FRAC_CONST(0.8683447152233481), f328);
+ y[11] = MUL_F(FRAC_CONST(0.9345835970364075), f326);
+ y[10] = MUL_C(COEF_CONST(1.0144082649970547), f324);
+ y[9] = MUL_C(COEF_CONST(1.1120716205797176), f322);
+ y[8] = MUL_C(COEF_CONST(1.2338327379765710), f320);
+ y[7] = MUL_C(COEF_CONST(1.3892939586328277), f318);
+ y[6] = MUL_C(COEF_CONST(1.5939722833856311), f316);
+ y[5] = MUL_C(COEF_CONST(1.8746759800084078), f314);
+ y[4] = MUL_C(COEF_CONST(2.2820500680051619), f312);
+ y[3] = MUL_C(COEF_CONST(2.9246284281582162), f310);
+ y[2] = MUL_C(COEF_CONST(4.0846110781292477), f308);
+ y[1] = MUL_C(COEF_CONST(6.7967507116736332), f306);
+ y[0] = MUL_R(REAL_CONST(20.3738781672314530), f304);
}
#endif
#endif
-
diff --git a/src/libfaad/sbr_dct.h b/src/libfaad/sbr_dct.h
index 4eadc5056..6293486c7 100644
--- a/src/libfaad/sbr_dct.h
+++ b/src/libfaad/sbr_dct.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_dct.h,v 1.4 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_dct.h,v 1.5 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __SBR_DCT_H__
@@ -32,11 +32,14 @@
extern "C" {
#endif
+void dct4_kernel(real_t * in_real, real_t * in_imag, real_t * out_real, real_t * out_imag);
+
void DCT3_32_unscaled(real_t *y, real_t *x);
-void DCT2_64_unscaled(real_t *y, real_t *x);
-void DST2_64_unscaled(real_t *y, real_t *x);
-void DCT4_64(real_t *y, real_t *x);
-void DCT4_64_kernel(real_t *y, real_t *t2);
+void DCT4_32(real_t *y, real_t *x);
+void DST4_32(real_t *y, real_t *x);
+void DCT2_32_unscaled(real_t *y, real_t *x);
+void DCT4_16(real_t *y, real_t *x);
+void DCT2_16_unscaled(real_t *y, real_t *x);
#ifdef __cplusplus
diff --git a/src/libfaad/sbr_dec.c b/src/libfaad/sbr_dec.c
index c49b57e21..dba6a4fca 100644
--- a/src/libfaad/sbr_dec.c
+++ b/src/libfaad/sbr_dec.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_dec.c,v 1.7 2004/12/15 20:57:28 mroi Exp $
+** $Id: sbr_dec.c,v 1.8 2005/10/29 23:57:07 tmmm Exp $
**/
@@ -41,11 +41,14 @@
#include "sbr_hfgen.h"
#include "sbr_hfadj.h"
+
/* static function declarations */
static uint8_t sbr_save_prev_data(sbr_info *sbr, uint8_t ch);
+static void sbr_save_matrix(sbr_info *sbr, uint8_t ch);
+
sbr_info *sbrDecodeInit(uint16_t framelength, uint8_t id_aac,
- uint32_t sample_rate
+ uint32_t sample_rate, uint8_t downSampledSBR
#ifdef DRM
, uint8_t IsDRM
#endif
@@ -71,14 +74,19 @@ sbr_info *sbrDecodeInit(uint16_t framelength, uint8_t id_aac,
sbr->prevEnvIsShort[0] = -1;
sbr->prevEnvIsShort[1] = -1;
sbr->header_count = 0;
+ sbr->Reset = 1;
#ifdef DRM
sbr->Is_DRM_SBR = IsDRM;
#endif
- sbr->bs_samplerate_mode = 1;
sbr->tHFGen = T_HFGEN;
sbr->tHFAdj = T_HFADJ;
+ sbr->bsco = 0;
+ sbr->bsco_prev = 0;
+ sbr->M_prev = 0;
+ sbr->frame_len = framelength;
+
/* force sbr reset */
sbr->bs_start_freq_prev = -1;
@@ -91,6 +99,44 @@ sbr_info *sbrDecodeInit(uint16_t framelength, uint8_t id_aac,
sbr->numTimeSlots = NO_TIME_SLOTS;
}
+ sbr->GQ_ringbuf_index[0] = 0;
+ sbr->GQ_ringbuf_index[1] = 0;
+
+ if (id_aac == ID_CPE)
+ {
+ /* stereo */
+ uint8_t j;
+ sbr->qmfa[0] = qmfa_init(32);
+ sbr->qmfa[1] = qmfa_init(32);
+ sbr->qmfs[0] = qmfs_init((downSampledSBR)?32:64);
+ sbr->qmfs[1] = qmfs_init((downSampledSBR)?32:64);
+
+ for (j = 0; j < 5; j++)
+ {
+ sbr->G_temp_prev[0][j] = faad_malloc(64*sizeof(real_t));
+ sbr->G_temp_prev[1][j] = faad_malloc(64*sizeof(real_t));
+ sbr->Q_temp_prev[0][j] = faad_malloc(64*sizeof(real_t));
+ sbr->Q_temp_prev[1][j] = faad_malloc(64*sizeof(real_t));
+ }
+
+ memset(sbr->Xsbr[0], 0, (sbr->numTimeSlotsRate+sbr->tHFGen)*64 * sizeof(qmf_t));
+ memset(sbr->Xsbr[1], 0, (sbr->numTimeSlotsRate+sbr->tHFGen)*64 * sizeof(qmf_t));
+ } else {
+ /* mono */
+ uint8_t j;
+ sbr->qmfa[0] = qmfa_init(32);
+ sbr->qmfs[0] = qmfs_init((downSampledSBR)?32:64);
+ sbr->qmfs[1] = NULL;
+
+ for (j = 0; j < 5; j++)
+ {
+ sbr->G_temp_prev[0][j] = faad_malloc(64*sizeof(real_t));
+ sbr->Q_temp_prev[0][j] = faad_malloc(64*sizeof(real_t));
+ }
+
+ memset(sbr->Xsbr[0], 0, (sbr->numTimeSlotsRate+sbr->tHFGen)*64 * sizeof(qmf_t));
+ }
+
return sbr;
}
@@ -116,6 +162,16 @@ void sbrDecodeEnd(sbr_info *sbr)
if (sbr->Q_temp_prev[1][j]) faad_free(sbr->Q_temp_prev[1][j]);
}
+#ifdef PS_DEC
+ if (sbr->ps != NULL)
+ ps_free(sbr->ps);
+#endif
+
+#ifdef DRM_PS
+ if (sbr->drm_ps != NULL)
+ drm_ps_free(sbr->drm_ps);
+#endif
+
faad_free(sbr);
}
}
@@ -126,6 +182,8 @@ static uint8_t sbr_save_prev_data(sbr_info *sbr, uint8_t ch)
/* save data for next frame */
sbr->kx_prev = sbr->kx;
+ sbr->M_prev = sbr->M;
+ sbr->bsco_prev = sbr->bsco;
sbr->L_E_prev[ch] = sbr->L_E[ch];
@@ -134,13 +192,13 @@ static uint8_t sbr_save_prev_data(sbr_info *sbr, uint8_t ch)
return 19;
sbr->f_prev[ch] = sbr->f[ch][sbr->L_E[ch] - 1];
- for (i = 0; i < 64; i++)
+ for (i = 0; i < MAX_M; i++)
{
sbr->E_prev[ch][i] = sbr->E[ch][i][sbr->L_E[ch] - 1];
sbr->Q_prev[ch][i] = sbr->Q[ch][i][sbr->L_Q[ch] - 1];
}
- for (i = 0; i < 64; i++)
+ for (i = 0; i < MAX_M; i++)
{
sbr->bs_add_harmonic_prev[ch][i] = sbr->bs_add_harmonic[ch][i];
}
@@ -154,43 +212,66 @@ static uint8_t sbr_save_prev_data(sbr_info *sbr, uint8_t ch)
return 0;
}
+static void sbr_save_matrix(sbr_info *sbr, uint8_t ch)
+{
+ uint8_t i;
+
+ for (i = 0; i < sbr->tHFGen; i++)
+ {
+ memmove(sbr->Xsbr[ch][i], sbr->Xsbr[ch][i+sbr->numTimeSlotsRate], 64 * sizeof(qmf_t));
+ }
+ for (i = sbr->tHFGen; i < MAX_NTSRHFG; i++)
+ {
+ memset(sbr->Xsbr[ch][i], 0, 64 * sizeof(qmf_t));
+ }
+}
+
static void sbr_process_channel(sbr_info *sbr, real_t *channel_buf, qmf_t X[MAX_NTSR][64],
- uint8_t ch, uint8_t dont_process)
+ uint8_t ch, uint8_t dont_process,
+ const uint8_t downSampledSBR)
{
- int16_t i, k, l;
+ int16_t k, l;
#ifdef SBR_LOW_POWER
ALIGN real_t deg[64];
#endif
- if (sbr->frame == 0)
+#ifdef DRM
+ if (sbr->Is_DRM_SBR)
{
- uint8_t j;
- sbr->qmfa[ch] = qmfa_init(32);
- sbr->qmfs[ch] = qmfs_init(64);
+ sbr->bsco = max((int32_t)sbr->maxAACLine*32/(int32_t)sbr->frame_len - (int32_t)sbr->kx, 0);
+ } else {
+#endif
+ sbr->bsco = 0;
+#ifdef DRM
+ }
+#endif
- for (j = 0; j < 5; j++)
+
+//#define PRE_QMF_PRINT
+#ifdef PRE_QMF_PRINT
+ {
+ int i;
+ for (i = 0; i < 1024; i++)
{
- sbr->G_temp_prev[ch][j] = faad_malloc(64*sizeof(real_t));
- sbr->Q_temp_prev[ch][j] = faad_malloc(64*sizeof(real_t));
+ printf("%d\n", channel_buf[i]);
}
-
- memset(sbr->Xsbr[ch], 0, (sbr->numTimeSlotsRate+sbr->tHFGen)*64 * sizeof(qmf_t));
- memset(sbr->Xcodec[ch], 0, (sbr->numTimeSlotsRate+sbr->tHFGen)*32 * sizeof(qmf_t));
}
+#endif
+
/* subband analysis */
if (dont_process)
- sbr_qmf_analysis_32(sbr, sbr->qmfa[ch], channel_buf, sbr->Xcodec[ch], sbr->tHFGen, 32);
+ sbr_qmf_analysis_32(sbr, sbr->qmfa[ch], channel_buf, sbr->Xsbr[ch], sbr->tHFGen, 32);
else
- sbr_qmf_analysis_32(sbr, sbr->qmfa[ch], channel_buf, sbr->Xcodec[ch], sbr->tHFGen, sbr->kx);
+ sbr_qmf_analysis_32(sbr, sbr->qmfa[ch], channel_buf, sbr->Xsbr[ch], sbr->tHFGen, sbr->kx);
if (!dont_process)
{
#if 1
/* insert high frequencies here */
/* hf generation using patching */
- hf_generation(sbr, sbr->Xcodec[ch], sbr->Xsbr[ch]
+ hf_generation(sbr, sbr->Xsbr[ch], sbr->Xsbr[ch]
#ifdef SBR_LOW_POWER
,deg
#endif
@@ -223,9 +304,9 @@ static void sbr_process_channel(sbr_info *sbr, real_t *channel_buf, qmf_t X[MAX_
{
for (k = 0; k < 32; k++)
{
- QMF_RE(X[l][k]) = QMF_RE(sbr->Xcodec[ch][l + sbr->tHFAdj][k]);
+ QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]);
#ifndef SBR_LOW_POWER
- QMF_IM(X[l][k]) = QMF_IM(sbr->Xcodec[ch][l + sbr->tHFAdj][k]);
+ QMF_IM(X[l][k]) = QMF_IM(sbr->Xsbr[ch][l + sbr->tHFAdj][k]);
#endif
}
for (k = 32; k < 64; k++)
@@ -239,42 +320,57 @@ static void sbr_process_channel(sbr_info *sbr, real_t *channel_buf, qmf_t X[MAX_
} else {
for (l = 0; l < sbr->numTimeSlotsRate; l++)
{
- uint8_t xover_band;
+ uint8_t kx_band, M_band, bsco_band;
if (l < sbr->t_E[ch][0])
- xover_band = sbr->kx_prev;
- else
- xover_band = sbr->kx;
-
- for (k = 0; k < xover_band; k++)
{
- QMF_RE(X[l][k]) = QMF_RE(sbr->Xcodec[ch][l + sbr->tHFAdj][k]);
+ kx_band = sbr->kx_prev;
+ M_band = sbr->M_prev;
+ bsco_band = sbr->bsco_prev;
+ } else {
+ kx_band = sbr->kx;
+ M_band = sbr->M;
+ bsco_band = sbr->bsco;
+ }
+
#ifndef SBR_LOW_POWER
- QMF_IM(X[l][k]) = QMF_IM(sbr->Xcodec[ch][l + sbr->tHFAdj][k]);
-#endif
+ for (k = 0; k < kx_band + bsco_band; k++)
+ {
+ QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]);
+ QMF_IM(X[l][k]) = QMF_IM(sbr->Xsbr[ch][l + sbr->tHFAdj][k]);
}
- for (k = xover_band; k < 64; k++)
+ for (k = kx_band + bsco_band; k < kx_band + M_band; k++)
{
QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]);
-#ifndef SBR_LOW_POWER
QMF_IM(X[l][k]) = QMF_IM(sbr->Xsbr[ch][l + sbr->tHFAdj][k]);
-#endif
}
-#ifdef SBR_LOW_POWER
- QMF_RE(X[l][xover_band - 1]) += QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][xover_band - 1]);
+ for (k = max(kx_band + bsco_band, kx_band + M_band); k < 64; k++)
+ {
+ QMF_RE(X[l][k]) = 0;
+ QMF_IM(X[l][k]) = 0;
+ }
+#else
+ for (k = 0; k < kx_band + bsco_band; k++)
+ {
+ QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]);
+ }
+ for (k = kx_band + bsco_band; k < min(kx_band + M_band, 63); k++)
+ {
+ QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]);
+ }
+ for (k = max(kx_band + bsco_band, kx_band + M_band); k < 64; k++)
+ {
+ QMF_RE(X[l][k]) = 0;
+ }
+ QMF_RE(X[l][kx_band - 1 + bsco_band]) +=
+ QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][kx_band - 1 + bsco_band]);
#endif
}
}
-
- for (i = 0; i < sbr->tHFGen; i++)
- {
- memmove(sbr->Xcodec[ch][i], sbr->Xcodec[ch][i+sbr->numTimeSlotsRate], 32 * sizeof(qmf_t));
- memmove(sbr->Xsbr[ch][i], sbr->Xsbr[ch][i+sbr->numTimeSlotsRate], 64 * sizeof(qmf_t));
- }
}
uint8_t sbrDecodeCoupleFrame(sbr_info *sbr, real_t *left_chan, real_t *right_chan,
- const uint8_t just_seeked, const uint8_t upsample_only)
+ const uint8_t just_seeked, const uint8_t downSampledSBR)
{
uint8_t dont_process = 0;
uint8_t ret = 0;
@@ -304,21 +400,23 @@ uint8_t sbrDecodeCoupleFrame(sbr_info *sbr, real_t *left_chan, real_t *right_cha
sbr->just_seeked = 0;
}
- sbr_process_channel(sbr, left_chan, X, 0, dont_process);
+ sbr_process_channel(sbr, left_chan, X, 0, dont_process, downSampledSBR);
/* subband synthesis */
-#ifndef USE_SSE
- sbr_qmf_synthesis_64(sbr, sbr->qmfs[0], X, left_chan);
-#else
- sbr->qmfs[ch]->qmf_func(sbr, sbr->qmfs[0], X, left_chan);
-#endif
+ if (downSampledSBR)
+ {
+ sbr_qmf_synthesis_32(sbr, sbr->qmfs[0], X, left_chan);
+ } else {
+ sbr_qmf_synthesis_64(sbr, sbr->qmfs[0], X, left_chan);
+ }
- sbr_process_channel(sbr, right_chan, X, 1, dont_process);
+ sbr_process_channel(sbr, right_chan, X, 1, dont_process, downSampledSBR);
/* subband synthesis */
-#ifndef USE_SSE
- sbr_qmf_synthesis_64(sbr, sbr->qmfs[1], X, right_chan);
-#else
- sbr->qmfs[ch]->qmf_func(sbr, sbr->qmfs[1], X, right_chan);
-#endif
+ if (downSampledSBR)
+ {
+ sbr_qmf_synthesis_32(sbr, sbr->qmfs[1], X, right_chan);
+ } else {
+ sbr_qmf_synthesis_64(sbr, sbr->qmfs[1], X, right_chan);
+ }
if (sbr->bs_header_flag)
sbr->just_seeked = 0;
@@ -331,13 +429,31 @@ uint8_t sbrDecodeCoupleFrame(sbr_info *sbr, real_t *left_chan, real_t *right_cha
if (ret) return ret;
}
+ sbr_save_matrix(sbr, 0);
+ sbr_save_matrix(sbr, 1);
+
sbr->frame++;
+//#define POST_QMF_PRINT
+#ifdef POST_QMF_PRINT
+ {
+ int i;
+ for (i = 0; i < 2048; i++)
+ {
+ printf("%d\n", left_chan[i]);
+ }
+ for (i = 0; i < 2048; i++)
+ {
+ printf("%d\n", right_chan[i]);
+ }
+ }
+#endif
+
return 0;
}
uint8_t sbrDecodeSingleFrame(sbr_info *sbr, real_t *channel,
- const uint8_t just_seeked, const uint8_t upsample_only)
+ const uint8_t just_seeked, const uint8_t downSampledSBR)
{
uint8_t dont_process = 0;
uint8_t ret = 0;
@@ -367,13 +483,14 @@ uint8_t sbrDecodeSingleFrame(sbr_info *sbr, real_t *channel,
sbr->just_seeked = 0;
}
- sbr_process_channel(sbr, channel, X, 0, dont_process);
+ sbr_process_channel(sbr, channel, X, 0, dont_process, downSampledSBR);
/* subband synthesis */
-#ifndef USE_SSE
- sbr_qmf_synthesis_64(sbr, sbr->qmfs[0], X, channel);
-#else
- sbr->qmfs[ch]->qmf_func(sbr, sbr->qmfs[0], X, channel);
-#endif
+ if (downSampledSBR)
+ {
+ sbr_qmf_synthesis_32(sbr, sbr->qmfs[0], X, channel);
+ } else {
+ sbr_qmf_synthesis_64(sbr, sbr->qmfs[0], X, channel);
+ }
if (sbr->bs_header_flag)
sbr->just_seeked = 0;
@@ -384,39 +501,33 @@ uint8_t sbrDecodeSingleFrame(sbr_info *sbr, real_t *channel,
if (ret) return ret;
}
- sbr->frame++;
+ sbr_save_matrix(sbr, 0);
- return 0;
-}
-
-#if (defined(PS_DEC) || defined(DRM_PS))
-static void ps_dummy_function(qmf_t X_mono[MAX_NTSR][64],
- qmf_t X_left[MAX_NTSR][64], qmf_t X_right[MAX_NTSR][64])
-{
- uint8_t i, j;
+ sbr->frame++;
- for (i = 0; i < MAX_NTSR; i++)
+//#define POST_QMF_PRINT
+#ifdef POST_QMF_PRINT
{
- for (j = 0; j < 64; j++)
+ int i;
+ for (i = 0; i < 2048; i++)
{
- QMF_RE(X_left[i][j]) = QMF_RE(X_mono[i][j]);
- QMF_RE(X_right[i][j]) = QMF_RE(X_mono[i][j]);
-#ifndef SBR_LOW_POWER
- QMF_IM(X_left[i][j]) = QMF_IM(X_mono[i][j]);
- QMF_IM(X_right[i][j]) = QMF_IM(X_mono[i][j]);
-#endif
+ printf("%d\n", channel[i]);
}
}
+#endif
+
+ return 0;
}
+#if (defined(PS_DEC) || defined(DRM_PS))
uint8_t sbrDecodeSingleFramePS(sbr_info *sbr, real_t *left_channel, real_t *right_channel,
- const uint8_t just_seeked, const uint8_t upsample_only)
+ const uint8_t just_seeked, const uint8_t downSampledSBR)
{
+ uint8_t l, k;
uint8_t dont_process = 0;
uint8_t ret = 0;
- ALIGN qmf_t X_mono[MAX_NTSR][64];
- ALIGN qmf_t X_left[MAX_NTSR][64];
- ALIGN qmf_t X_right[MAX_NTSR][64];
+ ALIGN qmf_t X_left[38][64] = {{0}};
+ ALIGN qmf_t X_right[38][64] = {{0}}; /* must set this to 0 */
if (sbr == NULL)
return 20;
@@ -442,24 +553,46 @@ uint8_t sbrDecodeSingleFramePS(sbr_info *sbr, real_t *left_channel, real_t *righ
sbr->just_seeked = 0;
}
- if (sbr->frame == 0)
+ if (sbr->qmfs[1] == NULL)
{
- sbr->qmfs[1] = qmfs_init(64);
+ sbr->qmfs[1] = qmfs_init((downSampledSBR)?32:64);
}
- sbr_process_channel(sbr, left_channel, X_mono, 0, dont_process);
+ sbr_process_channel(sbr, left_channel, X_left, 0, dont_process, downSampledSBR);
+
+ /* copy some extra data for PS */
+ for (l = 32; l < 38; l++)
+ {
+ for (k = 0; k < 5; k++)
+ {
+ QMF_RE(X_left[l][k]) = QMF_RE(sbr->Xsbr[0][sbr->tHFAdj+l][k]);
+ QMF_IM(X_left[l][k]) = QMF_IM(sbr->Xsbr[0][sbr->tHFAdj+l][k]);
+ }
+ }
/* perform parametric stereo */
- ps_dummy_function(X_mono, X_left, X_right);
+#ifdef DRM_PS
+ if (sbr->Is_DRM_SBR)
+ {
+ drm_ps_decode(sbr->drm_ps, (sbr->ret > 0), sbr->sample_rate, X_left, X_right);
+ } else {
+#endif
+#ifdef PS_DEC
+ ps_decode(sbr->ps, X_left, X_right);
+#endif
+#ifdef DRM_PS
+ }
+#endif
/* subband synthesis */
-#ifndef USE_SSE
- sbr_qmf_synthesis_64(sbr, sbr->qmfs[0], X_left, left_channel);
- sbr_qmf_synthesis_64(sbr, sbr->qmfs[1], X_right, right_channel);
-#else
- sbr->qmfs[ch]->qmf_func(sbr, sbr->qmfs[0], X_left, left_channel);
- sbr->qmfs[ch]->qmf_func(sbr, sbr->qmfs[1], X_right, right_channel);
-#endif
+ if (downSampledSBR)
+ {
+ sbr_qmf_synthesis_32(sbr, sbr->qmfs[0], X_left, left_channel);
+ sbr_qmf_synthesis_32(sbr, sbr->qmfs[1], X_right, right_channel);
+ } else {
+ sbr_qmf_synthesis_64(sbr, sbr->qmfs[0], X_left, left_channel);
+ sbr_qmf_synthesis_64(sbr, sbr->qmfs[1], X_right, right_channel);
+ }
if (sbr->bs_header_flag)
sbr->just_seeked = 0;
@@ -470,6 +603,8 @@ uint8_t sbrDecodeSingleFramePS(sbr_info *sbr, real_t *left_channel, real_t *righ
if (ret) return ret;
}
+ sbr_save_matrix(sbr, 0);
+
sbr->frame++;
return 0;
diff --git a/src/libfaad/sbr_dec.h b/src/libfaad/sbr_dec.h
index 46feaa120..5efd5c5e0 100644
--- a/src/libfaad/sbr_dec.h
+++ b/src/libfaad/sbr_dec.h
@@ -1,19 +1,19 @@
/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
-**
+**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
-**
+**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
-**
+**
** You should have received a copy of the GNU General Public License
-** along with this program; if not, write to the Free Software
+** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
** Any non-GPL usage of this software or parts of this software is strictly
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_dec.h,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_dec.h,v 1.7 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __SBR_DEC_H__
@@ -43,24 +43,27 @@ extern "C" {
#define MAX_NTSRHFG 40
#define MAX_NTSR 32 /* max number_time_slots * rate, ok for DRM and not DRM mode */
+/* MAX_M: maximum value for M */
+#define MAX_M 49
+/* MAX_L_E: maximum value for L_E */
+#define MAX_L_E 5
typedef struct {
real_t *x;
+ int16_t x_index;
uint8_t channels;
} qmfa_info;
typedef struct {
- real_t *v[2];
- uint8_t v_index;
+ real_t *v;
+ int16_t v_index;
uint8_t channels;
-#ifdef USE_SSE
- void (*qmf_func)(void *a, void *b, void *c, void *d);
-#endif
} qmfs_info;
typedef struct
{
uint32_t sample_rate;
+ uint32_t maxAACLine;
uint8_t rate;
uint8_t just_seeked;
@@ -98,27 +101,33 @@ typedef struct
uint8_t L_E_prev[2];
uint8_t L_Q[2];
- uint8_t t_E[2][6];
+ uint8_t t_E[2][MAX_L_E+1];
uint8_t t_Q[2][3];
- uint8_t f[2][6];
+ uint8_t f[2][MAX_L_E+1];
uint8_t f_prev[2];
real_t *G_temp_prev[2][5];
real_t *Q_temp_prev[2][5];
+ int8_t GQ_ringbuf_index[2];
- int16_t E[2][64][5];
+ int16_t E[2][64][MAX_L_E];
int16_t E_prev[2][64];
- real_t E_orig[2][64][5];
- real_t E_curr[2][64][5];
+#ifndef FIXED_POINT
+ real_t E_orig[2][64][MAX_L_E];
+#endif
+ real_t E_curr[2][64][MAX_L_E];
int32_t Q[2][64][2];
+#ifndef FIXED_POINT
+ real_t Q_div[2][64][2];
+ real_t Q_div2[2][64][2];
+#endif
int32_t Q_prev[2][64];
- real_t Q_orig[2][64][2];
int8_t l_A[2];
int8_t l_A_prev[2];
- uint8_t bs_invf_mode[2][5];
- uint8_t bs_invf_mode_prev[2][5];
+ uint8_t bs_invf_mode[2][MAX_L_E];
+ uint8_t bs_invf_mode_prev[2][MAX_L_E];
real_t bwArray[2][64];
real_t bwArray_prev[2][64];
@@ -142,6 +151,10 @@ typedef struct
int8_t prevEnvIsShort[2];
int8_t kx_prev;
+ uint8_t bsco;
+ uint8_t bsco_prev;
+ uint8_t M_prev;
+ uint16_t frame_len;
uint8_t Reset;
uint32_t frame;
@@ -152,24 +165,21 @@ typedef struct
qmfs_info *qmfs[2];
qmf_t Xsbr[2][MAX_NTSRHFG][64];
- qmf_t Xcodec[2][MAX_NTSRHFG][32];
#ifdef DRM
- int8_t lcstereo_flag;
- uint8_t bs_dataextra;
uint8_t Is_DRM_SBR;
#ifdef DRM_PS
- drm_ps_info drm_ps;
+ drm_ps_info *drm_ps;
#endif
#endif
- uint8_t numTimeSlotsRate;
- uint8_t numTimeSlots;
- uint8_t tHFGen;
- uint8_t tHFAdj;
+ uint8_t numTimeSlotsRate;
+ uint8_t numTimeSlots;
+ uint8_t tHFGen;
+ uint8_t tHFAdj;
#ifdef PS_DEC
- ps_info ps;
+ ps_info *ps;
#endif
#if (defined(PS_DEC) || defined(DRM_PS))
uint8_t ps_used;
@@ -215,20 +225,20 @@ typedef struct
} sbr_info;
sbr_info *sbrDecodeInit(uint16_t framelength, uint8_t id_aac,
- uint32_t sample_rate
+ uint32_t sample_rate, uint8_t downSampledSBR
#ifdef DRM
- , uint8_t IsDRM
+ , uint8_t IsDRM
#endif
- );
+ );
void sbrDecodeEnd(sbr_info *sbr);
uint8_t sbrDecodeCoupleFrame(sbr_info *sbr, real_t *left_chan, real_t *right_chan,
- const uint8_t just_seeked, const uint8_t upsample_only);
+ const uint8_t just_seeked, const uint8_t downSampledSBR);
uint8_t sbrDecodeSingleFrame(sbr_info *sbr, real_t *channel,
- const uint8_t just_seeked, const uint8_t upsample_only);
+ const uint8_t just_seeked, const uint8_t downSampledSBR);
#if (defined(PS_DEC) || defined(DRM_PS))
uint8_t sbrDecodeSingleFramePS(sbr_info *sbr, real_t *left_channel, real_t *right_channel,
- const uint8_t just_seeked, const uint8_t upsample_only);
+ const uint8_t just_seeked, const uint8_t downSampledSBR);
#endif
diff --git a/src/libfaad/sbr_e_nf.c b/src/libfaad/sbr_e_nf.c
index 53d082278..2d2bf4f85 100644
--- a/src/libfaad/sbr_e_nf.c
+++ b/src/libfaad/sbr_e_nf.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_e_nf.c,v 1.4 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_e_nf.c,v 1.5 2005/10/29 23:57:07 tmmm Exp $
**/
#include "common.h"
@@ -35,110 +35,6 @@
#include "sbr_syntax.h"
#include "sbr_e_nf.h"
-ALIGN static const real_t pow2deq[] = {
- REAL_CONST(2.9103830456733704E-011), REAL_CONST(5.8207660913467407E-011),
- REAL_CONST(1.1641532182693481E-010), REAL_CONST(2.3283064365386963E-010),
- REAL_CONST(4.6566128730773926E-010), REAL_CONST(9.3132257461547852E-010),
- REAL_CONST(1.862645149230957E-009), REAL_CONST(3.7252902984619141E-009),
- REAL_CONST(7.4505805969238281E-009), REAL_CONST(1.4901161193847656E-008),
- REAL_CONST(2.9802322387695313E-008), REAL_CONST(5.9604644775390625E-008),
- REAL_CONST(1.1920928955078125E-007), REAL_CONST(2.384185791015625E-007),
- REAL_CONST(4.76837158203125E-007), REAL_CONST(9.5367431640625E-007),
- REAL_CONST(1.9073486328125E-006), REAL_CONST(3.814697265625E-006),
- REAL_CONST(7.62939453125E-006), REAL_CONST(1.52587890625E-005),
- REAL_CONST(3.0517578125E-005), REAL_CONST(6.103515625E-005),
- REAL_CONST(0.0001220703125), REAL_CONST(0.000244140625),
- REAL_CONST(0.00048828125), REAL_CONST(0.0009765625),
- REAL_CONST(0.001953125), REAL_CONST(0.00390625),
- REAL_CONST(0.0078125), REAL_CONST(0.015625),
- REAL_CONST(0.03125), REAL_CONST(0.0625),
- REAL_CONST(0.125), REAL_CONST(0.25),
- REAL_CONST(0.5), REAL_CONST(1.0),
- REAL_CONST(2.0), REAL_CONST(4.0),
- REAL_CONST(8.0), REAL_CONST(16.0),
- REAL_CONST(32.0), REAL_CONST(64.0),
- REAL_CONST(128.0), REAL_CONST(256.0),
- REAL_CONST(512.0), REAL_CONST(1024.0),
- REAL_CONST(2048.0), REAL_CONST(4096.0),
- REAL_CONST(8192.0), REAL_CONST(16384.0),
- REAL_CONST(32768.0), REAL_CONST(65536.0),
- REAL_CONST(131072.0), REAL_CONST(262144.0),
- REAL_CONST(524288.0), REAL_CONST(1048576.0),
- REAL_CONST(2097152.0), REAL_CONST(4194304.0),
- REAL_CONST(8388608.0), REAL_CONST(16777216.0),
- REAL_CONST(33554432.0), REAL_CONST(67108864.0),
- REAL_CONST(134217728.0), REAL_CONST(268435456.0),
- REAL_CONST(536870912.0), REAL_CONST(1073741824.0),
- REAL_CONST(2147483648.0), REAL_CONST(4294967296.0),
- REAL_CONST(8589934592.0), REAL_CONST(17179869184.0),
- REAL_CONST(34359738368.0), REAL_CONST(68719476736.0),
- REAL_CONST(137438953472.0), REAL_CONST(274877906944.0),
- REAL_CONST(549755813888.0), REAL_CONST(1099511627776.0),
- REAL_CONST(2199023255552.0), REAL_CONST(4398046511104.0),
- REAL_CONST(8796093022208.0), REAL_CONST(17592186044416.0),
- REAL_CONST(35184372088832.0), REAL_CONST(70368744177664.0),
- REAL_CONST(140737488355328.0), REAL_CONST(281474976710656.0),
- REAL_CONST(562949953421312.0), REAL_CONST(1125899906842624.0),
- REAL_CONST(2251799813685248.0), REAL_CONST(4503599627370496.0),
- REAL_CONST(9007199254740992.0), REAL_CONST(18014398509481984.0),
- REAL_CONST(36028797018963968.0), REAL_CONST(72057594037927936.0),
- REAL_CONST(144115188075855870.0), REAL_CONST(288230376151711740.0),
- REAL_CONST(576460752303423490.0), REAL_CONST(1152921504606847000.0),
- REAL_CONST(2305843009213694000.0), REAL_CONST(4611686018427387900.0),
- REAL_CONST(9223372036854775800.0), REAL_CONST(1.8446744073709552E+019),
- REAL_CONST(3.6893488147419103E+019), REAL_CONST(7.3786976294838206E+019),
- REAL_CONST(1.4757395258967641E+020), REAL_CONST(2.9514790517935283E+020),
- REAL_CONST(5.9029581035870565E+020), REAL_CONST(1.1805916207174113E+021),
- REAL_CONST(2.3611832414348226E+021), REAL_CONST(4.7223664828696452E+021),
- REAL_CONST(9.4447329657392904E+021), REAL_CONST(1.8889465931478581E+022),
- REAL_CONST(3.7778931862957162E+022), REAL_CONST(7.5557863725914323E+022),
- REAL_CONST(1.5111572745182865E+023), REAL_CONST(3.0223145490365729E+023),
- REAL_CONST(6.0446290980731459E+023), REAL_CONST(1.2089258196146292E+024),
- REAL_CONST(2.4178516392292583E+024), REAL_CONST(4.8357032784585167E+024),
- REAL_CONST(9.6714065569170334E+024), REAL_CONST(1.9342813113834067E+025),
- REAL_CONST(3.8685626227668134E+025), REAL_CONST(7.7371252455336267E+025),
- REAL_CONST(1.5474250491067253E+026), REAL_CONST(3.0948500982134507E+026),
- REAL_CONST(6.1897001964269014E+026), REAL_CONST(1.2379400392853803E+027),
- REAL_CONST(2.4758800785707605E+027)
-};
-
-/* 1.0 / (1.0 + pow(2.0, x - 12) */
-ALIGN static const real_t pow2deq_rcp[] = {
- FRAC_CONST(0.99975591896509641),
- FRAC_CONST(0.99951195705222062),
- FRAC_CONST(0.99902439024390244),
- FRAC_CONST(0.99805068226120852),
- FRAC_CONST(0.99610894941634243),
- FRAC_CONST(0.99224806201550386),
- FRAC_CONST(0.98461538461538467),
- FRAC_CONST(0.96969696969696972),
- FRAC_CONST(0.94117647058823528),
- FRAC_CONST(0.88888888888888884),
- FRAC_CONST(0.80000000000000004),
- FRAC_CONST(0.66666666666666663),
- FRAC_CONST(0.5),
- FRAC_CONST(0.33333333333333331),
- FRAC_CONST(0.20000000000000001),
- FRAC_CONST(0.1111111111111111),
- FRAC_CONST(0.058823529411764705),
- FRAC_CONST(0.030303030303030304),
- FRAC_CONST(0.015384615384615385),
- FRAC_CONST(0.0077519379844961239),
- FRAC_CONST(0.0038910505836575876),
- FRAC_CONST(0.0019493177387914229),
- FRAC_CONST(0.00097560975609756097),
- FRAC_CONST(0.0004880429477794046),
- FRAC_CONST(0.00024408103490358799),
- FRAC_CONST(0.00012205541315757354),
- FRAC_CONST(6.1031431187061336E-005),
- FRAC_CONST(3.0516646830846227E-005),
- FRAC_CONST(1.5258556235409006E-005),
- FRAC_CONST(7.6293363240331724E-006),
- FRAC_CONST(3.8146827137652828E-006),
- FRAC_CONST(1.9073449948406318E-006),
- FRAC_CONST(9.5367340691241559E-007)
-};
-
void extract_envelope_data(sbr_info *sbr, uint8_t ch)
{
uint8_t l, k;
@@ -150,6 +46,8 @@ void extract_envelope_data(sbr_info *sbr, uint8_t ch)
for (k = 1; k < sbr->n[sbr->f[ch][l]]; k++)
{
sbr->E[ch][k][l] = sbr->E[ch][k - 1][l] + sbr->E[ch][k][l];
+ if (sbr->E[ch][k][l] < 0)
+ sbr->E[ch][k][l] = 0;
}
} else { /* bs_df_env == 1 */
@@ -241,6 +139,256 @@ void extract_noise_floor_data(sbr_info *sbr, uint8_t ch)
}
}
+#ifndef FIXED_POINT
+
+/* table for Q_div values when no coupling */
+static const real_t Q_div_tab[31] = {
+ FRAC_CONST(0.0153846), FRAC_CONST(0.030303),
+ FRAC_CONST(0.0588235), FRAC_CONST(0.111111),
+ FRAC_CONST(0.2), FRAC_CONST(0.333333),
+ FRAC_CONST(0.5), FRAC_CONST(0.666667),
+ FRAC_CONST(0.8), FRAC_CONST(0.888889),
+ FRAC_CONST(0.941176), FRAC_CONST(0.969697),
+ FRAC_CONST(0.984615), FRAC_CONST(0.992248),
+ FRAC_CONST(0.996109), FRAC_CONST(0.998051),
+ FRAC_CONST(0.999024), FRAC_CONST(0.999512),
+ FRAC_CONST(0.999756), FRAC_CONST(0.999878),
+ FRAC_CONST(0.999939), FRAC_CONST(0.999969),
+ FRAC_CONST(0.999985), FRAC_CONST(0.999992),
+ FRAC_CONST(0.999996), FRAC_CONST(0.999998),
+ FRAC_CONST(0.999999), FRAC_CONST(1),
+ FRAC_CONST(1), FRAC_CONST(1),
+ FRAC_CONST(1)
+};
+
+static const real_t Q_div_tab_left[31][13] = {
+ { FRAC_CONST(0.969704), FRAC_CONST(0.888985), FRAC_CONST(0.667532), FRAC_CONST(0.336788), FRAC_CONST(0.117241), FRAC_CONST(0.037594), FRAC_CONST(0.0153846), FRAC_CONST(0.00967118), FRAC_CONST(0.00823245), FRAC_CONST(0.00787211), FRAC_CONST(0.00778198), FRAC_CONST(0.00775945), FRAC_CONST(0.00775382) },
+ { FRAC_CONST(0.984619), FRAC_CONST(0.94123), FRAC_CONST(0.800623), FRAC_CONST(0.503876), FRAC_CONST(0.209877), FRAC_CONST(0.0724638), FRAC_CONST(0.030303), FRAC_CONST(0.0191571), FRAC_CONST(0.0163305), FRAC_CONST(0.0156212), FRAC_CONST(0.0154438), FRAC_CONST(0.0153994), FRAC_CONST(0.0153883) },
+ { FRAC_CONST(0.99225), FRAC_CONST(0.969726), FRAC_CONST(0.889273), FRAC_CONST(0.670103), FRAC_CONST(0.346939), FRAC_CONST(0.135135), FRAC_CONST(0.0588235), FRAC_CONST(0.037594), FRAC_CONST(0.0321361), FRAC_CONST(0.0307619), FRAC_CONST(0.0304178), FRAC_CONST(0.0303317), FRAC_CONST(0.0303102) },
+ { FRAC_CONST(0.99611), FRAC_CONST(0.98463), FRAC_CONST(0.941392), FRAC_CONST(0.802469), FRAC_CONST(0.515152), FRAC_CONST(0.238095), FRAC_CONST(0.111111), FRAC_CONST(0.0724638), FRAC_CONST(0.0622711), FRAC_CONST(0.0596878), FRAC_CONST(0.0590397), FRAC_CONST(0.0588776), FRAC_CONST(0.058837) },
+ { FRAC_CONST(0.998051), FRAC_CONST(0.992256), FRAC_CONST(0.969811), FRAC_CONST(0.890411), FRAC_CONST(0.68), FRAC_CONST(0.384615), FRAC_CONST(0.2), FRAC_CONST(0.135135), FRAC_CONST(0.117241), FRAC_CONST(0.112652), FRAC_CONST(0.111497), FRAC_CONST(0.111208), FRAC_CONST(0.111135) },
+ { FRAC_CONST(0.999025), FRAC_CONST(0.996113), FRAC_CONST(0.984674), FRAC_CONST(0.942029), FRAC_CONST(0.809524), FRAC_CONST(0.555556), FRAC_CONST(0.333333), FRAC_CONST(0.238095), FRAC_CONST(0.209877), FRAC_CONST(0.202492), FRAC_CONST(0.200625), FRAC_CONST(0.200156), FRAC_CONST(0.200039) },
+ { FRAC_CONST(0.999512), FRAC_CONST(0.998053), FRAC_CONST(0.992278), FRAC_CONST(0.970149), FRAC_CONST(0.894737), FRAC_CONST(0.714286), FRAC_CONST(0.5), FRAC_CONST(0.384615), FRAC_CONST(0.346939), FRAC_CONST(0.336788), FRAC_CONST(0.3342), FRAC_CONST(0.33355), FRAC_CONST(0.333388) },
+ { FRAC_CONST(0.999756), FRAC_CONST(0.999025), FRAC_CONST(0.996124), FRAC_CONST(0.984848), FRAC_CONST(0.944444), FRAC_CONST(0.833333), FRAC_CONST(0.666667), FRAC_CONST(0.555556), FRAC_CONST(0.515152), FRAC_CONST(0.503876), FRAC_CONST(0.500975), FRAC_CONST(0.500244), FRAC_CONST(0.500061) },
+ { FRAC_CONST(0.999878), FRAC_CONST(0.999512), FRAC_CONST(0.998058), FRAC_CONST(0.992366), FRAC_CONST(0.971429), FRAC_CONST(0.909091), FRAC_CONST(0.8), FRAC_CONST(0.714286), FRAC_CONST(0.68), FRAC_CONST(0.670103), FRAC_CONST(0.667532), FRAC_CONST(0.666884), FRAC_CONST(0.666721) },
+ { FRAC_CONST(0.999939), FRAC_CONST(0.999756), FRAC_CONST(0.999028), FRAC_CONST(0.996169), FRAC_CONST(0.985507), FRAC_CONST(0.952381), FRAC_CONST(0.888889), FRAC_CONST(0.833333), FRAC_CONST(0.809524), FRAC_CONST(0.802469), FRAC_CONST(0.800623), FRAC_CONST(0.800156), FRAC_CONST(0.800039) },
+ { FRAC_CONST(0.999969), FRAC_CONST(0.999878), FRAC_CONST(0.999514), FRAC_CONST(0.998081), FRAC_CONST(0.992701), FRAC_CONST(0.97561), FRAC_CONST(0.941176), FRAC_CONST(0.909091), FRAC_CONST(0.894737), FRAC_CONST(0.890411), FRAC_CONST(0.889273), FRAC_CONST(0.888985), FRAC_CONST(0.888913) },
+ { FRAC_CONST(0.999985), FRAC_CONST(0.999939), FRAC_CONST(0.999757), FRAC_CONST(0.999039), FRAC_CONST(0.996337), FRAC_CONST(0.987654), FRAC_CONST(0.969697), FRAC_CONST(0.952381), FRAC_CONST(0.944444), FRAC_CONST(0.942029), FRAC_CONST(0.941392), FRAC_CONST(0.94123), FRAC_CONST(0.94119) },
+ { FRAC_CONST(0.999992), FRAC_CONST(0.99997), FRAC_CONST(0.999878), FRAC_CONST(0.999519), FRAC_CONST(0.998165), FRAC_CONST(0.993789), FRAC_CONST(0.984615), FRAC_CONST(0.97561), FRAC_CONST(0.971429), FRAC_CONST(0.970149), FRAC_CONST(0.969811), FRAC_CONST(0.969726), FRAC_CONST(0.969704) },
+ { FRAC_CONST(0.999996), FRAC_CONST(0.999985), FRAC_CONST(0.999939), FRAC_CONST(0.99976), FRAC_CONST(0.999082), FRAC_CONST(0.996885), FRAC_CONST(0.992248), FRAC_CONST(0.987654), FRAC_CONST(0.985507), FRAC_CONST(0.984848), FRAC_CONST(0.984674), FRAC_CONST(0.98463), FRAC_CONST(0.984619) },
+ { FRAC_CONST(0.999998), FRAC_CONST(0.999992), FRAC_CONST(0.99997), FRAC_CONST(0.99988), FRAC_CONST(0.999541), FRAC_CONST(0.99844), FRAC_CONST(0.996109), FRAC_CONST(0.993789), FRAC_CONST(0.992701), FRAC_CONST(0.992366), FRAC_CONST(0.992278), FRAC_CONST(0.992256), FRAC_CONST(0.99225) },
+ { FRAC_CONST(0.999999), FRAC_CONST(0.999996), FRAC_CONST(0.999985), FRAC_CONST(0.99994), FRAC_CONST(0.99977), FRAC_CONST(0.999219), FRAC_CONST(0.998051), FRAC_CONST(0.996885), FRAC_CONST(0.996337), FRAC_CONST(0.996169), FRAC_CONST(0.996124), FRAC_CONST(0.996113), FRAC_CONST(0.99611) },
+ { FRAC_CONST(1), FRAC_CONST(0.999998), FRAC_CONST(0.999992), FRAC_CONST(0.99997), FRAC_CONST(0.999885), FRAC_CONST(0.99961), FRAC_CONST(0.999024), FRAC_CONST(0.99844), FRAC_CONST(0.998165), FRAC_CONST(0.998081), FRAC_CONST(0.998058), FRAC_CONST(0.998053), FRAC_CONST(0.998051) },
+ { FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999996), FRAC_CONST(0.999985), FRAC_CONST(0.999943), FRAC_CONST(0.999805), FRAC_CONST(0.999512), FRAC_CONST(0.999219), FRAC_CONST(0.999082), FRAC_CONST(0.999039), FRAC_CONST(0.999028), FRAC_CONST(0.999025), FRAC_CONST(0.999025) },
+ { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999998), FRAC_CONST(0.999992), FRAC_CONST(0.999971), FRAC_CONST(0.999902), FRAC_CONST(0.999756), FRAC_CONST(0.99961), FRAC_CONST(0.999541), FRAC_CONST(0.999519), FRAC_CONST(0.999514), FRAC_CONST(0.999512), FRAC_CONST(0.999512) },
+ { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999996), FRAC_CONST(0.999986), FRAC_CONST(0.999951), FRAC_CONST(0.999878), FRAC_CONST(0.999805), FRAC_CONST(0.99977), FRAC_CONST(0.99976), FRAC_CONST(0.999757), FRAC_CONST(0.999756), FRAC_CONST(0.999756) },
+ { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999998), FRAC_CONST(0.999993), FRAC_CONST(0.999976), FRAC_CONST(0.999939), FRAC_CONST(0.999902), FRAC_CONST(0.999885), FRAC_CONST(0.99988), FRAC_CONST(0.999878), FRAC_CONST(0.999878), FRAC_CONST(0.999878) },
+ { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999996), FRAC_CONST(0.999988), FRAC_CONST(0.999969), FRAC_CONST(0.999951), FRAC_CONST(0.999943), FRAC_CONST(0.99994), FRAC_CONST(0.999939), FRAC_CONST(0.999939), FRAC_CONST(0.999939) },
+ { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999998), FRAC_CONST(0.999994), FRAC_CONST(0.999985), FRAC_CONST(0.999976), FRAC_CONST(0.999971), FRAC_CONST(0.99997), FRAC_CONST(0.99997), FRAC_CONST(0.99997), FRAC_CONST(0.999969) },
+ { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999997), FRAC_CONST(0.999992), FRAC_CONST(0.999988), FRAC_CONST(0.999986), FRAC_CONST(0.999985), FRAC_CONST(0.999985), FRAC_CONST(0.999985), FRAC_CONST(0.999985) },
+ { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999998), FRAC_CONST(0.999996), FRAC_CONST(0.999994), FRAC_CONST(0.999993), FRAC_CONST(0.999992), FRAC_CONST(0.999992), FRAC_CONST(0.999992), FRAC_CONST(0.999992) },
+ { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999998), FRAC_CONST(0.999997), FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999996) },
+ { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998) },
+ { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999) },
+ { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) },
+ { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) },
+ { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }
+};
+
+static const real_t Q_div_tab_right[31][13] = {
+ { FRAC_CONST(0.00775382), FRAC_CONST(0.00775945), FRAC_CONST(0.00778198), FRAC_CONST(0.00787211), FRAC_CONST(0.00823245), FRAC_CONST(0.00967118), FRAC_CONST(0.0153846), FRAC_CONST(0.037594), FRAC_CONST(0.117241), FRAC_CONST(0.336788), FRAC_CONST(0.667532), FRAC_CONST(0.888985), FRAC_CONST(0.969704) },
+ { FRAC_CONST(0.0153883), FRAC_CONST(0.0153994), FRAC_CONST(0.0154438), FRAC_CONST(0.0156212), FRAC_CONST(0.0163305), FRAC_CONST(0.0191571), FRAC_CONST(0.030303), FRAC_CONST(0.0724638), FRAC_CONST(0.209877), FRAC_CONST(0.503876), FRAC_CONST(0.800623), FRAC_CONST(0.94123), FRAC_CONST(0.984619) },
+ { FRAC_CONST(0.0303102), FRAC_CONST(0.0303317), FRAC_CONST(0.0304178), FRAC_CONST(0.0307619), FRAC_CONST(0.0321361), FRAC_CONST(0.037594), FRAC_CONST(0.0588235), FRAC_CONST(0.135135), FRAC_CONST(0.346939), FRAC_CONST(0.670103), FRAC_CONST(0.889273), FRAC_CONST(0.969726), FRAC_CONST(0.99225) },
+ { FRAC_CONST(0.058837), FRAC_CONST(0.0588776), FRAC_CONST(0.0590397), FRAC_CONST(0.0596878), FRAC_CONST(0.0622711), FRAC_CONST(0.0724638), FRAC_CONST(0.111111), FRAC_CONST(0.238095), FRAC_CONST(0.515152), FRAC_CONST(0.802469), FRAC_CONST(0.941392), FRAC_CONST(0.98463), FRAC_CONST(0.99611) },
+ { FRAC_CONST(0.111135), FRAC_CONST(0.111208), FRAC_CONST(0.111497), FRAC_CONST(0.112652), FRAC_CONST(0.117241), FRAC_CONST(0.135135), FRAC_CONST(0.2), FRAC_CONST(0.384615), FRAC_CONST(0.68), FRAC_CONST(0.890411), FRAC_CONST(0.969811), FRAC_CONST(0.992256), FRAC_CONST(0.998051) },
+ { FRAC_CONST(0.200039), FRAC_CONST(0.200156), FRAC_CONST(0.200625), FRAC_CONST(0.202492), FRAC_CONST(0.209877), FRAC_CONST(0.238095), FRAC_CONST(0.333333), FRAC_CONST(0.555556), FRAC_CONST(0.809524), FRAC_CONST(0.942029), FRAC_CONST(0.984674), FRAC_CONST(0.996113), FRAC_CONST(0.999025) },
+ { FRAC_CONST(0.333388), FRAC_CONST(0.33355), FRAC_CONST(0.3342), FRAC_CONST(0.336788), FRAC_CONST(0.346939), FRAC_CONST(0.384615), FRAC_CONST(0.5), FRAC_CONST(0.714286), FRAC_CONST(0.894737), FRAC_CONST(0.970149), FRAC_CONST(0.992278), FRAC_CONST(0.998053), FRAC_CONST(0.999512) },
+ { FRAC_CONST(0.500061), FRAC_CONST(0.500244), FRAC_CONST(0.500975), FRAC_CONST(0.503876), FRAC_CONST(0.515152), FRAC_CONST(0.555556), FRAC_CONST(0.666667), FRAC_CONST(0.833333), FRAC_CONST(0.944444), FRAC_CONST(0.984848), FRAC_CONST(0.996124), FRAC_CONST(0.999025), FRAC_CONST(0.999756) },
+ { FRAC_CONST(0.666721), FRAC_CONST(0.666884), FRAC_CONST(0.667532), FRAC_CONST(0.670103), FRAC_CONST(0.68), FRAC_CONST(0.714286), FRAC_CONST(0.8), FRAC_CONST(0.909091), FRAC_CONST(0.971429), FRAC_CONST(0.992366), FRAC_CONST(0.998058), FRAC_CONST(0.999512), FRAC_CONST(0.999878) },
+ { FRAC_CONST(0.800039), FRAC_CONST(0.800156), FRAC_CONST(0.800623), FRAC_CONST(0.802469), FRAC_CONST(0.809524), FRAC_CONST(0.833333), FRAC_CONST(0.888889), FRAC_CONST(0.952381), FRAC_CONST(0.985507), FRAC_CONST(0.996169), FRAC_CONST(0.999028), FRAC_CONST(0.999756), FRAC_CONST(0.999939) },
+ { FRAC_CONST(0.888913), FRAC_CONST(0.888985), FRAC_CONST(0.889273), FRAC_CONST(0.890411), FRAC_CONST(0.894737), FRAC_CONST(0.909091), FRAC_CONST(0.941176), FRAC_CONST(0.97561), FRAC_CONST(0.992701), FRAC_CONST(0.998081), FRAC_CONST(0.999514), FRAC_CONST(0.999878), FRAC_CONST(0.999969) },
+ { FRAC_CONST(0.94119), FRAC_CONST(0.94123), FRAC_CONST(0.941392), FRAC_CONST(0.942029), FRAC_CONST(0.944444), FRAC_CONST(0.952381), FRAC_CONST(0.969697), FRAC_CONST(0.987654), FRAC_CONST(0.996337), FRAC_CONST(0.999039), FRAC_CONST(0.999757), FRAC_CONST(0.999939), FRAC_CONST(0.999985) },
+ { FRAC_CONST(0.969704), FRAC_CONST(0.969726), FRAC_CONST(0.969811), FRAC_CONST(0.970149), FRAC_CONST(0.971429), FRAC_CONST(0.97561), FRAC_CONST(0.984615), FRAC_CONST(0.993789), FRAC_CONST(0.998165), FRAC_CONST(0.999519), FRAC_CONST(0.999878), FRAC_CONST(0.99997), FRAC_CONST(0.999992) },
+ { FRAC_CONST(0.984619), FRAC_CONST(0.98463), FRAC_CONST(0.984674), FRAC_CONST(0.984848), FRAC_CONST(0.985507), FRAC_CONST(0.987654), FRAC_CONST(0.992248), FRAC_CONST(0.996885), FRAC_CONST(0.999082), FRAC_CONST(0.99976), FRAC_CONST(0.999939), FRAC_CONST(0.999985), FRAC_CONST(0.999996) },
+ { FRAC_CONST(0.99225), FRAC_CONST(0.992256), FRAC_CONST(0.992278), FRAC_CONST(0.992366), FRAC_CONST(0.992701), FRAC_CONST(0.993789), FRAC_CONST(0.996109), FRAC_CONST(0.99844), FRAC_CONST(0.999541), FRAC_CONST(0.99988), FRAC_CONST(0.99997), FRAC_CONST(0.999992), FRAC_CONST(0.999998) },
+ { FRAC_CONST(0.99611), FRAC_CONST(0.996113), FRAC_CONST(0.996124), FRAC_CONST(0.996169), FRAC_CONST(0.996337), FRAC_CONST(0.996885), FRAC_CONST(0.998051), FRAC_CONST(0.999219), FRAC_CONST(0.99977), FRAC_CONST(0.99994), FRAC_CONST(0.999985), FRAC_CONST(0.999996), FRAC_CONST(0.999999) },
+ { FRAC_CONST(0.998051), FRAC_CONST(0.998053), FRAC_CONST(0.998058), FRAC_CONST(0.998081), FRAC_CONST(0.998165), FRAC_CONST(0.99844), FRAC_CONST(0.999024), FRAC_CONST(0.99961), FRAC_CONST(0.999885), FRAC_CONST(0.99997), FRAC_CONST(0.999992), FRAC_CONST(0.999998), FRAC_CONST(1) },
+ { FRAC_CONST(0.999025), FRAC_CONST(0.999025), FRAC_CONST(0.999028), FRAC_CONST(0.999039), FRAC_CONST(0.999082), FRAC_CONST(0.999219), FRAC_CONST(0.999512), FRAC_CONST(0.999805), FRAC_CONST(0.999943), FRAC_CONST(0.999985), FRAC_CONST(0.999996), FRAC_CONST(0.999999), FRAC_CONST(1) },
+ { FRAC_CONST(0.999512), FRAC_CONST(0.999512), FRAC_CONST(0.999514), FRAC_CONST(0.999519), FRAC_CONST(0.999541), FRAC_CONST(0.99961), FRAC_CONST(0.999756), FRAC_CONST(0.999902), FRAC_CONST(0.999971), FRAC_CONST(0.999992), FRAC_CONST(0.999998), FRAC_CONST(1), FRAC_CONST(1) },
+ { FRAC_CONST(0.999756), FRAC_CONST(0.999756), FRAC_CONST(0.999757), FRAC_CONST(0.99976), FRAC_CONST(0.99977), FRAC_CONST(0.999805), FRAC_CONST(0.999878), FRAC_CONST(0.999951), FRAC_CONST(0.999986), FRAC_CONST(0.999996), FRAC_CONST(0.999999), FRAC_CONST(1), FRAC_CONST(1) },
+ { FRAC_CONST(0.999878), FRAC_CONST(0.999878), FRAC_CONST(0.999878), FRAC_CONST(0.99988), FRAC_CONST(0.999885), FRAC_CONST(0.999902), FRAC_CONST(0.999939), FRAC_CONST(0.999976), FRAC_CONST(0.999993), FRAC_CONST(0.999998), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) },
+ { FRAC_CONST(0.999939), FRAC_CONST(0.999939), FRAC_CONST(0.999939), FRAC_CONST(0.99994), FRAC_CONST(0.999943), FRAC_CONST(0.999951), FRAC_CONST(0.999969), FRAC_CONST(0.999988), FRAC_CONST(0.999996), FRAC_CONST(0.999999), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) },
+ { FRAC_CONST(0.999969), FRAC_CONST(0.99997), FRAC_CONST(0.99997), FRAC_CONST(0.99997), FRAC_CONST(0.999971), FRAC_CONST(0.999976), FRAC_CONST(0.999985), FRAC_CONST(0.999994), FRAC_CONST(0.999998), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) },
+ { FRAC_CONST(0.999985), FRAC_CONST(0.999985), FRAC_CONST(0.999985), FRAC_CONST(0.999985), FRAC_CONST(0.999986), FRAC_CONST(0.999988), FRAC_CONST(0.999992), FRAC_CONST(0.999997), FRAC_CONST(0.999999), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) },
+ { FRAC_CONST(0.999992), FRAC_CONST(0.999992), FRAC_CONST(0.999992), FRAC_CONST(0.999992), FRAC_CONST(0.999993), FRAC_CONST(0.999994), FRAC_CONST(0.999996), FRAC_CONST(0.999998), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) },
+ { FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999997), FRAC_CONST(0.999998), FRAC_CONST(0.999999), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) },
+ { FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999999), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) },
+ { FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) },
+ { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) },
+ { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) },
+ { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }
+};
+
+/* calculates 1/(1+Q) */
+/* [0..1] */
+real_t calc_Q_div(sbr_info *sbr, uint8_t ch, uint8_t m, uint8_t l)
+{
+ if (sbr->bs_coupling)
+ {
+ /* left channel */
+ if ((sbr->Q[0][m][l] < 0 || sbr->Q[0][m][l] > 30) ||
+ (sbr->Q[1][m][l] < 0 || sbr->Q[1][m][l] > 24 /* 2*panOffset(1) */))
+ {
+ return 0;
+ } else {
+ /* the pan parameter is always even */
+ if (ch == 0)
+ {
+ return Q_div_tab_left[sbr->Q[0][m][l]][sbr->Q[1][m][l] >> 1];
+ } else {
+ return Q_div_tab_right[sbr->Q[0][m][l]][sbr->Q[1][m][l] >> 1];
+ }
+ }
+ } else {
+ /* no coupling */
+ if (sbr->Q[ch][m][l] < 0 || sbr->Q[ch][m][l] > 30)
+ {
+ return 0;
+ } else {
+ return Q_div_tab[sbr->Q[ch][m][l]];
+ }
+ }
+}
+
+/* table for Q_div2 values when no coupling */
+static const real_t Q_div2_tab[31] = {
+ FRAC_CONST(0.984615), FRAC_CONST(0.969697),
+ FRAC_CONST(0.941176), FRAC_CONST(0.888889),
+ FRAC_CONST(0.8), FRAC_CONST(0.666667),
+ FRAC_CONST(0.5), FRAC_CONST(0.333333),
+ FRAC_CONST(0.2), FRAC_CONST(0.111111),
+ FRAC_CONST(0.0588235), FRAC_CONST(0.030303),
+ FRAC_CONST(0.0153846), FRAC_CONST(0.00775194),
+ FRAC_CONST(0.00389105), FRAC_CONST(0.00194932),
+ FRAC_CONST(0.00097561), FRAC_CONST(0.000488043),
+ FRAC_CONST(0.000244081), FRAC_CONST(0.000122055),
+ FRAC_CONST(6.10314E-005), FRAC_CONST(3.05166E-005),
+ FRAC_CONST(1.52586E-005), FRAC_CONST(7.62934E-006),
+ FRAC_CONST(3.81468E-006), FRAC_CONST(1.90734E-006),
+ FRAC_CONST(9.53673E-007), FRAC_CONST(4.76837E-007),
+ FRAC_CONST(2.38419E-007), FRAC_CONST(1.19209E-007),
+ FRAC_CONST(5.96046E-008)
+};
+
+static const real_t Q_div2_tab_left[31][13] = {
+ { FRAC_CONST(0.0302959), FRAC_CONST(0.111015), FRAC_CONST(0.332468), FRAC_CONST(0.663212), FRAC_CONST(0.882759), FRAC_CONST(0.962406), FRAC_CONST(0.984615), FRAC_CONST(0.990329), FRAC_CONST(0.991768), FRAC_CONST(0.992128), FRAC_CONST(0.992218), FRAC_CONST(0.992241), FRAC_CONST(0.992246) },
+ { FRAC_CONST(0.0153809), FRAC_CONST(0.0587695), FRAC_CONST(0.199377), FRAC_CONST(0.496124), FRAC_CONST(0.790123), FRAC_CONST(0.927536), FRAC_CONST(0.969697), FRAC_CONST(0.980843), FRAC_CONST(0.98367), FRAC_CONST(0.984379), FRAC_CONST(0.984556), FRAC_CONST(0.984601), FRAC_CONST(0.984612) },
+ { FRAC_CONST(0.00775006), FRAC_CONST(0.0302744), FRAC_CONST(0.110727), FRAC_CONST(0.329897), FRAC_CONST(0.653061), FRAC_CONST(0.864865), FRAC_CONST(0.941176), FRAC_CONST(0.962406), FRAC_CONST(0.967864), FRAC_CONST(0.969238), FRAC_CONST(0.969582), FRAC_CONST(0.969668), FRAC_CONST(0.96969) },
+ { FRAC_CONST(0.0038901), FRAC_CONST(0.0153698), FRAC_CONST(0.0586081), FRAC_CONST(0.197531), FRAC_CONST(0.484848), FRAC_CONST(0.761905), FRAC_CONST(0.888889), FRAC_CONST(0.927536), FRAC_CONST(0.937729), FRAC_CONST(0.940312), FRAC_CONST(0.94096), FRAC_CONST(0.941122), FRAC_CONST(0.941163) },
+ { FRAC_CONST(0.00194884), FRAC_CONST(0.00774443), FRAC_CONST(0.0301887), FRAC_CONST(0.109589), FRAC_CONST(0.32), FRAC_CONST(0.615385), FRAC_CONST(0.8), FRAC_CONST(0.864865), FRAC_CONST(0.882759), FRAC_CONST(0.887348), FRAC_CONST(0.888503), FRAC_CONST(0.888792), FRAC_CONST(0.888865) },
+ { FRAC_CONST(0.000975372), FRAC_CONST(0.00388727), FRAC_CONST(0.0153257), FRAC_CONST(0.057971), FRAC_CONST(0.190476), FRAC_CONST(0.444444), FRAC_CONST(0.666667), FRAC_CONST(0.761905), FRAC_CONST(0.790123), FRAC_CONST(0.797508), FRAC_CONST(0.799375), FRAC_CONST(0.799844), FRAC_CONST(0.799961) },
+ { FRAC_CONST(0.000487924), FRAC_CONST(0.00194742), FRAC_CONST(0.00772201), FRAC_CONST(0.0298507), FRAC_CONST(0.105263), FRAC_CONST(0.285714), FRAC_CONST(0.5), FRAC_CONST(0.615385), FRAC_CONST(0.653061), FRAC_CONST(0.663212), FRAC_CONST(0.6658), FRAC_CONST(0.66645), FRAC_CONST(0.666612) },
+ { FRAC_CONST(0.000244021), FRAC_CONST(0.000974659), FRAC_CONST(0.00387597), FRAC_CONST(0.0151515), FRAC_CONST(0.0555556), FRAC_CONST(0.166667), FRAC_CONST(0.333333), FRAC_CONST(0.444444), FRAC_CONST(0.484848), FRAC_CONST(0.496124), FRAC_CONST(0.499025), FRAC_CONST(0.499756), FRAC_CONST(0.499939) },
+ { FRAC_CONST(0.000122026), FRAC_CONST(0.000487567), FRAC_CONST(0.00194175), FRAC_CONST(0.00763359), FRAC_CONST(0.0285714), FRAC_CONST(0.0909091), FRAC_CONST(0.2), FRAC_CONST(0.285714), FRAC_CONST(0.32), FRAC_CONST(0.329897), FRAC_CONST(0.332468), FRAC_CONST(0.333116), FRAC_CONST(0.333279) },
+ { FRAC_CONST(6.10165E-005), FRAC_CONST(0.000243843), FRAC_CONST(0.000971817), FRAC_CONST(0.00383142), FRAC_CONST(0.0144928), FRAC_CONST(0.047619), FRAC_CONST(0.111111), FRAC_CONST(0.166667), FRAC_CONST(0.190476), FRAC_CONST(0.197531), FRAC_CONST(0.199377), FRAC_CONST(0.199844), FRAC_CONST(0.199961) },
+ { FRAC_CONST(3.05092E-005), FRAC_CONST(0.000121936), FRAC_CONST(0.000486145), FRAC_CONST(0.00191939), FRAC_CONST(0.00729927), FRAC_CONST(0.0243902), FRAC_CONST(0.0588235), FRAC_CONST(0.0909091), FRAC_CONST(0.105263), FRAC_CONST(0.109589), FRAC_CONST(0.110727), FRAC_CONST(0.111015), FRAC_CONST(0.111087) },
+ { FRAC_CONST(1.52548E-005), FRAC_CONST(6.09719E-005), FRAC_CONST(0.000243132), FRAC_CONST(0.000960615), FRAC_CONST(0.003663), FRAC_CONST(0.0123457), FRAC_CONST(0.030303), FRAC_CONST(0.047619), FRAC_CONST(0.0555556), FRAC_CONST(0.057971), FRAC_CONST(0.0586081), FRAC_CONST(0.0587695), FRAC_CONST(0.05881) },
+ { FRAC_CONST(7.62747E-006), FRAC_CONST(3.04869E-005), FRAC_CONST(0.000121581), FRAC_CONST(0.000480538), FRAC_CONST(0.00183486), FRAC_CONST(0.00621118), FRAC_CONST(0.0153846), FRAC_CONST(0.0243902), FRAC_CONST(0.0285714), FRAC_CONST(0.0298507), FRAC_CONST(0.0301887), FRAC_CONST(0.0302744), FRAC_CONST(0.0302959) },
+ { FRAC_CONST(3.81375E-006), FRAC_CONST(1.52437E-005), FRAC_CONST(6.0794E-005), FRAC_CONST(0.000240327), FRAC_CONST(0.000918274), FRAC_CONST(0.00311526), FRAC_CONST(0.00775194), FRAC_CONST(0.0123457), FRAC_CONST(0.0144928), FRAC_CONST(0.0151515), FRAC_CONST(0.0153257), FRAC_CONST(0.0153698), FRAC_CONST(0.0153809) },
+ { FRAC_CONST(1.90688E-006), FRAC_CONST(7.62189E-006), FRAC_CONST(3.03979E-005), FRAC_CONST(0.000120178), FRAC_CONST(0.000459348), FRAC_CONST(0.00156006), FRAC_CONST(0.00389105), FRAC_CONST(0.00621118), FRAC_CONST(0.00729927), FRAC_CONST(0.00763359), FRAC_CONST(0.00772201), FRAC_CONST(0.00774443), FRAC_CONST(0.00775006) },
+ { FRAC_CONST(9.53441E-007), FRAC_CONST(3.81096E-006), FRAC_CONST(1.51992E-005), FRAC_CONST(6.00925E-005), FRAC_CONST(0.000229727), FRAC_CONST(0.00078064), FRAC_CONST(0.00194932), FRAC_CONST(0.00311526), FRAC_CONST(0.003663), FRAC_CONST(0.00383142), FRAC_CONST(0.00387597), FRAC_CONST(0.00388727), FRAC_CONST(0.0038901) },
+ { FRAC_CONST(4.76721E-007), FRAC_CONST(1.90548E-006), FRAC_CONST(7.59965E-006), FRAC_CONST(3.00472E-005), FRAC_CONST(0.000114877), FRAC_CONST(0.000390472), FRAC_CONST(0.00097561), FRAC_CONST(0.00156006), FRAC_CONST(0.00183486), FRAC_CONST(0.00191939), FRAC_CONST(0.00194175), FRAC_CONST(0.00194742), FRAC_CONST(0.00194884) },
+ { FRAC_CONST(2.3836E-007), FRAC_CONST(9.52743E-007), FRAC_CONST(3.79984E-006), FRAC_CONST(1.50238E-005), FRAC_CONST(5.74416E-005), FRAC_CONST(0.000195274), FRAC_CONST(0.000488043), FRAC_CONST(0.00078064), FRAC_CONST(0.000918274), FRAC_CONST(0.000960615), FRAC_CONST(0.000971817), FRAC_CONST(0.000974659), FRAC_CONST(0.000975372) },
+ { FRAC_CONST(1.1918E-007), FRAC_CONST(4.76372E-007), FRAC_CONST(1.89992E-006), FRAC_CONST(7.51196E-006), FRAC_CONST(2.87216E-005), FRAC_CONST(9.76467E-005), FRAC_CONST(0.000244081), FRAC_CONST(0.000390472), FRAC_CONST(0.000459348), FRAC_CONST(0.000480538), FRAC_CONST(0.000486145), FRAC_CONST(0.000487567), FRAC_CONST(0.000487924) },
+ { FRAC_CONST(5.95901E-008), FRAC_CONST(2.38186E-007), FRAC_CONST(9.49963E-007), FRAC_CONST(3.756E-006), FRAC_CONST(1.4361E-005), FRAC_CONST(4.88257E-005), FRAC_CONST(0.000122055), FRAC_CONST(0.000195274), FRAC_CONST(0.000229727), FRAC_CONST(0.000240327), FRAC_CONST(0.000243132), FRAC_CONST(0.000243843), FRAC_CONST(0.000244021) },
+ { FRAC_CONST(2.9795E-008), FRAC_CONST(1.19093E-007), FRAC_CONST(4.74982E-007), FRAC_CONST(1.878E-006), FRAC_CONST(7.18056E-006), FRAC_CONST(2.44135E-005), FRAC_CONST(6.10314E-005), FRAC_CONST(9.76467E-005), FRAC_CONST(0.000114877), FRAC_CONST(0.000120178), FRAC_CONST(0.000121581), FRAC_CONST(0.000121936), FRAC_CONST(0.000122026) },
+ { FRAC_CONST(1.48975E-008), FRAC_CONST(5.95465E-008), FRAC_CONST(2.37491E-007), FRAC_CONST(9.39002E-007), FRAC_CONST(3.59029E-006), FRAC_CONST(1.22069E-005), FRAC_CONST(3.05166E-005), FRAC_CONST(4.88257E-005), FRAC_CONST(5.74416E-005), FRAC_CONST(6.00925E-005), FRAC_CONST(6.0794E-005), FRAC_CONST(6.09719E-005), FRAC_CONST(6.10165E-005) },
+ { FRAC_CONST(7.44876E-009), FRAC_CONST(2.97732E-008), FRAC_CONST(1.18745E-007), FRAC_CONST(4.69501E-007), FRAC_CONST(1.79515E-006), FRAC_CONST(6.10348E-006), FRAC_CONST(1.52586E-005), FRAC_CONST(2.44135E-005), FRAC_CONST(2.87216E-005), FRAC_CONST(3.00472E-005), FRAC_CONST(3.03979E-005), FRAC_CONST(3.04869E-005), FRAC_CONST(3.05092E-005) },
+ { FRAC_CONST(3.72438E-009), FRAC_CONST(1.48866E-008), FRAC_CONST(5.93727E-008), FRAC_CONST(2.34751E-007), FRAC_CONST(8.97575E-007), FRAC_CONST(3.05175E-006), FRAC_CONST(7.62934E-006), FRAC_CONST(1.22069E-005), FRAC_CONST(1.4361E-005), FRAC_CONST(1.50238E-005), FRAC_CONST(1.51992E-005), FRAC_CONST(1.52437E-005), FRAC_CONST(1.52548E-005) },
+ { FRAC_CONST(1.86219E-009), FRAC_CONST(7.44331E-009), FRAC_CONST(2.96864E-008), FRAC_CONST(1.17375E-007), FRAC_CONST(4.48788E-007), FRAC_CONST(1.52588E-006), FRAC_CONST(3.81468E-006), FRAC_CONST(6.10348E-006), FRAC_CONST(7.18056E-006), FRAC_CONST(7.51196E-006), FRAC_CONST(7.59965E-006), FRAC_CONST(7.62189E-006), FRAC_CONST(7.62747E-006) },
+ { FRAC_CONST(9.31095E-010), FRAC_CONST(3.72166E-009), FRAC_CONST(1.48432E-008), FRAC_CONST(5.86876E-008), FRAC_CONST(2.24394E-007), FRAC_CONST(7.62939E-007), FRAC_CONST(1.90734E-006), FRAC_CONST(3.05175E-006), FRAC_CONST(3.59029E-006), FRAC_CONST(3.756E-006), FRAC_CONST(3.79984E-006), FRAC_CONST(3.81096E-006), FRAC_CONST(3.81375E-006) },
+ { FRAC_CONST(4.65548E-010), FRAC_CONST(1.86083E-009), FRAC_CONST(7.42159E-009), FRAC_CONST(2.93438E-008), FRAC_CONST(1.12197E-007), FRAC_CONST(3.8147E-007), FRAC_CONST(9.53673E-007), FRAC_CONST(1.52588E-006), FRAC_CONST(1.79515E-006), FRAC_CONST(1.878E-006), FRAC_CONST(1.89992E-006), FRAC_CONST(1.90548E-006), FRAC_CONST(1.90688E-006) },
+ { FRAC_CONST(2.32774E-010), FRAC_CONST(9.30414E-010), FRAC_CONST(3.71079E-009), FRAC_CONST(1.46719E-008), FRAC_CONST(5.60985E-008), FRAC_CONST(1.90735E-007), FRAC_CONST(4.76837E-007), FRAC_CONST(7.62939E-007), FRAC_CONST(8.97575E-007), FRAC_CONST(9.39002E-007), FRAC_CONST(9.49963E-007), FRAC_CONST(9.52743E-007), FRAC_CONST(9.53441E-007) },
+ { FRAC_CONST(1.16387E-010), FRAC_CONST(4.65207E-010), FRAC_CONST(1.8554E-009), FRAC_CONST(7.33596E-009), FRAC_CONST(2.80492E-008), FRAC_CONST(9.53674E-008), FRAC_CONST(2.38419E-007), FRAC_CONST(3.8147E-007), FRAC_CONST(4.48788E-007), FRAC_CONST(4.69501E-007), FRAC_CONST(4.74982E-007), FRAC_CONST(4.76372E-007), FRAC_CONST(4.76721E-007) },
+ { FRAC_CONST(5.81935E-011), FRAC_CONST(2.32603E-010), FRAC_CONST(9.27699E-010), FRAC_CONST(3.66798E-009), FRAC_CONST(1.40246E-008), FRAC_CONST(4.76837E-008), FRAC_CONST(1.19209E-007), FRAC_CONST(1.90735E-007), FRAC_CONST(2.24394E-007), FRAC_CONST(2.34751E-007), FRAC_CONST(2.37491E-007), FRAC_CONST(2.38186E-007), FRAC_CONST(2.3836E-007) },
+ { FRAC_CONST(2.90967E-011), FRAC_CONST(1.16302E-010), FRAC_CONST(4.63849E-010), FRAC_CONST(1.83399E-009), FRAC_CONST(7.01231E-009), FRAC_CONST(2.38419E-008), FRAC_CONST(5.96046E-008), FRAC_CONST(9.53674E-008), FRAC_CONST(1.12197E-007), FRAC_CONST(1.17375E-007), FRAC_CONST(1.18745E-007), FRAC_CONST(1.19093E-007), FRAC_CONST(1.1918E-007) }
+};
+
+static const real_t Q_div2_tab_right[31][13] = {
+ { FRAC_CONST(0.992246), FRAC_CONST(0.992241), FRAC_CONST(0.992218), FRAC_CONST(0.992128), FRAC_CONST(0.991768), FRAC_CONST(0.990329), FRAC_CONST(0.984615), FRAC_CONST(0.962406), FRAC_CONST(0.882759), FRAC_CONST(0.663212), FRAC_CONST(0.332468), FRAC_CONST(0.111015), FRAC_CONST(0.0302959) },
+ { FRAC_CONST(0.984612), FRAC_CONST(0.984601), FRAC_CONST(0.984556), FRAC_CONST(0.984379), FRAC_CONST(0.98367), FRAC_CONST(0.980843), FRAC_CONST(0.969697), FRAC_CONST(0.927536), FRAC_CONST(0.790123), FRAC_CONST(0.496124), FRAC_CONST(0.199377), FRAC_CONST(0.0587695), FRAC_CONST(0.0153809) },
+ { FRAC_CONST(0.96969), FRAC_CONST(0.969668), FRAC_CONST(0.969582), FRAC_CONST(0.969238), FRAC_CONST(0.967864), FRAC_CONST(0.962406), FRAC_CONST(0.941176), FRAC_CONST(0.864865), FRAC_CONST(0.653061), FRAC_CONST(0.329897), FRAC_CONST(0.110727), FRAC_CONST(0.0302744), FRAC_CONST(0.00775006) },
+ { FRAC_CONST(0.941163), FRAC_CONST(0.941122), FRAC_CONST(0.94096), FRAC_CONST(0.940312), FRAC_CONST(0.937729), FRAC_CONST(0.927536), FRAC_CONST(0.888889), FRAC_CONST(0.761905), FRAC_CONST(0.484848), FRAC_CONST(0.197531), FRAC_CONST(0.0586081), FRAC_CONST(0.0153698), FRAC_CONST(0.0038901) },
+ { FRAC_CONST(0.888865), FRAC_CONST(0.888792), FRAC_CONST(0.888503), FRAC_CONST(0.887348), FRAC_CONST(0.882759), FRAC_CONST(0.864865), FRAC_CONST(0.8), FRAC_CONST(0.615385), FRAC_CONST(0.32), FRAC_CONST(0.109589), FRAC_CONST(0.0301887), FRAC_CONST(0.00774443), FRAC_CONST(0.00194884) },
+ { FRAC_CONST(0.799961), FRAC_CONST(0.799844), FRAC_CONST(0.799375), FRAC_CONST(0.797508), FRAC_CONST(0.790123), FRAC_CONST(0.761905), FRAC_CONST(0.666667), FRAC_CONST(0.444444), FRAC_CONST(0.190476), FRAC_CONST(0.057971), FRAC_CONST(0.0153257), FRAC_CONST(0.00388727), FRAC_CONST(0.000975372) },
+ { FRAC_CONST(0.666612), FRAC_CONST(0.66645), FRAC_CONST(0.6658), FRAC_CONST(0.663212), FRAC_CONST(0.653061), FRAC_CONST(0.615385), FRAC_CONST(0.5), FRAC_CONST(0.285714), FRAC_CONST(0.105263), FRAC_CONST(0.0298507), FRAC_CONST(0.00772201), FRAC_CONST(0.00194742), FRAC_CONST(0.000487924) },
+ { FRAC_CONST(0.499939), FRAC_CONST(0.499756), FRAC_CONST(0.499025), FRAC_CONST(0.496124), FRAC_CONST(0.484848), FRAC_CONST(0.444444), FRAC_CONST(0.333333), FRAC_CONST(0.166667), FRAC_CONST(0.0555556), FRAC_CONST(0.0151515), FRAC_CONST(0.00387597), FRAC_CONST(0.000974659), FRAC_CONST(0.000244021) },
+ { FRAC_CONST(0.333279), FRAC_CONST(0.333116), FRAC_CONST(0.332468), FRAC_CONST(0.329897), FRAC_CONST(0.32), FRAC_CONST(0.285714), FRAC_CONST(0.2), FRAC_CONST(0.0909091), FRAC_CONST(0.0285714), FRAC_CONST(0.00763359), FRAC_CONST(0.00194175), FRAC_CONST(0.000487567), FRAC_CONST(0.000122026) },
+ { FRAC_CONST(0.199961), FRAC_CONST(0.199844), FRAC_CONST(0.199377), FRAC_CONST(0.197531), FRAC_CONST(0.190476), FRAC_CONST(0.166667), FRAC_CONST(0.111111), FRAC_CONST(0.047619), FRAC_CONST(0.0144928), FRAC_CONST(0.00383142), FRAC_CONST(0.000971817), FRAC_CONST(0.000243843), FRAC_CONST(6.10165E-005) },
+ { FRAC_CONST(0.111087), FRAC_CONST(0.111015), FRAC_CONST(0.110727), FRAC_CONST(0.109589), FRAC_CONST(0.105263), FRAC_CONST(0.0909091), FRAC_CONST(0.0588235), FRAC_CONST(0.0243902), FRAC_CONST(0.00729927), FRAC_CONST(0.00191939), FRAC_CONST(0.000486145), FRAC_CONST(0.000121936), FRAC_CONST(3.05092E-005) },
+ { FRAC_CONST(0.05881), FRAC_CONST(0.0587695), FRAC_CONST(0.0586081), FRAC_CONST(0.057971), FRAC_CONST(0.0555556), FRAC_CONST(0.047619), FRAC_CONST(0.030303), FRAC_CONST(0.0123457), FRAC_CONST(0.003663), FRAC_CONST(0.000960615), FRAC_CONST(0.000243132), FRAC_CONST(6.09719E-005), FRAC_CONST(1.52548E-005) },
+ { FRAC_CONST(0.0302959), FRAC_CONST(0.0302744), FRAC_CONST(0.0301887), FRAC_CONST(0.0298507), FRAC_CONST(0.0285714), FRAC_CONST(0.0243902), FRAC_CONST(0.0153846), FRAC_CONST(0.00621118), FRAC_CONST(0.00183486), FRAC_CONST(0.000480538), FRAC_CONST(0.000121581), FRAC_CONST(3.04869E-005), FRAC_CONST(7.62747E-006) },
+ { FRAC_CONST(0.0153809), FRAC_CONST(0.0153698), FRAC_CONST(0.0153257), FRAC_CONST(0.0151515), FRAC_CONST(0.0144928), FRAC_CONST(0.0123457), FRAC_CONST(0.00775194), FRAC_CONST(0.00311526), FRAC_CONST(0.000918274), FRAC_CONST(0.000240327), FRAC_CONST(6.0794E-005), FRAC_CONST(1.52437E-005), FRAC_CONST(3.81375E-006) },
+ { FRAC_CONST(0.00775006), FRAC_CONST(0.00774443), FRAC_CONST(0.00772201), FRAC_CONST(0.00763359), FRAC_CONST(0.00729927), FRAC_CONST(0.00621118), FRAC_CONST(0.00389105), FRAC_CONST(0.00156006), FRAC_CONST(0.000459348), FRAC_CONST(0.000120178), FRAC_CONST(3.03979E-005), FRAC_CONST(7.62189E-006), FRAC_CONST(1.90688E-006) },
+ { FRAC_CONST(0.0038901), FRAC_CONST(0.00388727), FRAC_CONST(0.00387597), FRAC_CONST(0.00383142), FRAC_CONST(0.003663), FRAC_CONST(0.00311526), FRAC_CONST(0.00194932), FRAC_CONST(0.00078064), FRAC_CONST(0.000229727), FRAC_CONST(6.00925E-005), FRAC_CONST(1.51992E-005), FRAC_CONST(3.81096E-006), FRAC_CONST(9.53441E-007) },
+ { FRAC_CONST(0.00194884), FRAC_CONST(0.00194742), FRAC_CONST(0.00194175), FRAC_CONST(0.00191939), FRAC_CONST(0.00183486), FRAC_CONST(0.00156006), FRAC_CONST(0.00097561), FRAC_CONST(0.000390472), FRAC_CONST(0.000114877), FRAC_CONST(3.00472E-005), FRAC_CONST(7.59965E-006), FRAC_CONST(1.90548E-006), FRAC_CONST(4.76721E-007) },
+ { FRAC_CONST(0.000975372), FRAC_CONST(0.000974659), FRAC_CONST(0.000971817), FRAC_CONST(0.000960615), FRAC_CONST(0.000918274), FRAC_CONST(0.00078064), FRAC_CONST(0.000488043), FRAC_CONST(0.000195274), FRAC_CONST(5.74416E-005), FRAC_CONST(1.50238E-005), FRAC_CONST(3.79984E-006), FRAC_CONST(9.52743E-007), FRAC_CONST(2.3836E-007) },
+ { FRAC_CONST(0.000487924), FRAC_CONST(0.000487567), FRAC_CONST(0.000486145), FRAC_CONST(0.000480538), FRAC_CONST(0.000459348), FRAC_CONST(0.000390472), FRAC_CONST(0.000244081), FRAC_CONST(9.76467E-005), FRAC_CONST(2.87216E-005), FRAC_CONST(7.51196E-006), FRAC_CONST(1.89992E-006), FRAC_CONST(4.76372E-007), FRAC_CONST(1.1918E-007) },
+ { FRAC_CONST(0.000244021), FRAC_CONST(0.000243843), FRAC_CONST(0.000243132), FRAC_CONST(0.000240327), FRAC_CONST(0.000229727), FRAC_CONST(0.000195274), FRAC_CONST(0.000122055), FRAC_CONST(4.88257E-005), FRAC_CONST(1.4361E-005), FRAC_CONST(3.756E-006), FRAC_CONST(9.49963E-007), FRAC_CONST(2.38186E-007), FRAC_CONST(5.95901E-008) },
+ { FRAC_CONST(0.000122026), FRAC_CONST(0.000121936), FRAC_CONST(0.000121581), FRAC_CONST(0.000120178), FRAC_CONST(0.000114877), FRAC_CONST(9.76467E-005), FRAC_CONST(6.10314E-005), FRAC_CONST(2.44135E-005), FRAC_CONST(7.18056E-006), FRAC_CONST(1.878E-006), FRAC_CONST(4.74982E-007), FRAC_CONST(1.19093E-007), FRAC_CONST(2.9795E-008) },
+ { FRAC_CONST(6.10165E-005), FRAC_CONST(6.09719E-005), FRAC_CONST(6.0794E-005), FRAC_CONST(6.00925E-005), FRAC_CONST(5.74416E-005), FRAC_CONST(4.88257E-005), FRAC_CONST(3.05166E-005), FRAC_CONST(1.22069E-005), FRAC_CONST(3.59029E-006), FRAC_CONST(9.39002E-007), FRAC_CONST(2.37491E-007), FRAC_CONST(5.95465E-008), FRAC_CONST(1.48975E-008) },
+ { FRAC_CONST(3.05092E-005), FRAC_CONST(3.04869E-005), FRAC_CONST(3.03979E-005), FRAC_CONST(3.00472E-005), FRAC_CONST(2.87216E-005), FRAC_CONST(2.44135E-005), FRAC_CONST(1.52586E-005), FRAC_CONST(6.10348E-006), FRAC_CONST(1.79515E-006), FRAC_CONST(4.69501E-007), FRAC_CONST(1.18745E-007), FRAC_CONST(2.97732E-008), FRAC_CONST(7.44876E-009) },
+ { FRAC_CONST(1.52548E-005), FRAC_CONST(1.52437E-005), FRAC_CONST(1.51992E-005), FRAC_CONST(1.50238E-005), FRAC_CONST(1.4361E-005), FRAC_CONST(1.22069E-005), FRAC_CONST(7.62934E-006), FRAC_CONST(3.05175E-006), FRAC_CONST(8.97575E-007), FRAC_CONST(2.34751E-007), FRAC_CONST(5.93727E-008), FRAC_CONST(1.48866E-008), FRAC_CONST(3.72438E-009) },
+ { FRAC_CONST(7.62747E-006), FRAC_CONST(7.62189E-006), FRAC_CONST(7.59965E-006), FRAC_CONST(7.51196E-006), FRAC_CONST(7.18056E-006), FRAC_CONST(6.10348E-006), FRAC_CONST(3.81468E-006), FRAC_CONST(1.52588E-006), FRAC_CONST(4.48788E-007), FRAC_CONST(1.17375E-007), FRAC_CONST(2.96864E-008), FRAC_CONST(7.44331E-009), FRAC_CONST(1.86219E-009) },
+ { FRAC_CONST(3.81375E-006), FRAC_CONST(3.81096E-006), FRAC_CONST(3.79984E-006), FRAC_CONST(3.756E-006), FRAC_CONST(3.59029E-006), FRAC_CONST(3.05175E-006), FRAC_CONST(1.90734E-006), FRAC_CONST(7.62939E-007), FRAC_CONST(2.24394E-007), FRAC_CONST(5.86876E-008), FRAC_CONST(1.48432E-008), FRAC_CONST(3.72166E-009), FRAC_CONST(9.31095E-010) },
+ { FRAC_CONST(1.90688E-006), FRAC_CONST(1.90548E-006), FRAC_CONST(1.89992E-006), FRAC_CONST(1.878E-006), FRAC_CONST(1.79515E-006), FRAC_CONST(1.52588E-006), FRAC_CONST(9.53673E-007), FRAC_CONST(3.8147E-007), FRAC_CONST(1.12197E-007), FRAC_CONST(2.93438E-008), FRAC_CONST(7.42159E-009), FRAC_CONST(1.86083E-009), FRAC_CONST(4.65548E-010) },
+ { FRAC_CONST(9.53441E-007), FRAC_CONST(9.52743E-007), FRAC_CONST(9.49963E-007), FRAC_CONST(9.39002E-007), FRAC_CONST(8.97575E-007), FRAC_CONST(7.62939E-007), FRAC_CONST(4.76837E-007), FRAC_CONST(1.90735E-007), FRAC_CONST(5.60985E-008), FRAC_CONST(1.46719E-008), FRAC_CONST(3.71079E-009), FRAC_CONST(9.30414E-010), FRAC_CONST(2.32774E-010) },
+ { FRAC_CONST(4.76721E-007), FRAC_CONST(4.76372E-007), FRAC_CONST(4.74982E-007), FRAC_CONST(4.69501E-007), FRAC_CONST(4.48788E-007), FRAC_CONST(3.8147E-007), FRAC_CONST(2.38419E-007), FRAC_CONST(9.53674E-008), FRAC_CONST(2.80492E-008), FRAC_CONST(7.33596E-009), FRAC_CONST(1.8554E-009), FRAC_CONST(4.65207E-010), FRAC_CONST(1.16387E-010) },
+ { FRAC_CONST(2.3836E-007), FRAC_CONST(2.38186E-007), FRAC_CONST(2.37491E-007), FRAC_CONST(2.34751E-007), FRAC_CONST(2.24394E-007), FRAC_CONST(1.90735E-007), FRAC_CONST(1.19209E-007), FRAC_CONST(4.76837E-008), FRAC_CONST(1.40246E-008), FRAC_CONST(3.66798E-009), FRAC_CONST(9.27699E-010), FRAC_CONST(2.32603E-010), FRAC_CONST(5.81935E-011) },
+ { FRAC_CONST(1.1918E-007), FRAC_CONST(1.19093E-007), FRAC_CONST(1.18745E-007), FRAC_CONST(1.17375E-007), FRAC_CONST(1.12197E-007), FRAC_CONST(9.53674E-008), FRAC_CONST(5.96046E-008), FRAC_CONST(2.38419E-008), FRAC_CONST(7.01231E-009), FRAC_CONST(1.83399E-009), FRAC_CONST(4.63849E-010), FRAC_CONST(1.16302E-010), FRAC_CONST(2.90967E-011) }
+};
+
+/* calculates Q/(1+Q) */
+/* [0..1] */
+real_t calc_Q_div2(sbr_info *sbr, uint8_t ch, uint8_t m, uint8_t l)
+{
+ if (sbr->bs_coupling)
+ {
+ if ((sbr->Q[0][m][l] < 0 || sbr->Q[0][m][l] > 30) ||
+ (sbr->Q[1][m][l] < 0 || sbr->Q[1][m][l] > 24 /* 2*panOffset(1) */))
+ {
+ return 0;
+ } else {
+ /* the pan parameter is always even */
+ if (ch == 0)
+ {
+ return Q_div2_tab_left[sbr->Q[0][m][l]][sbr->Q[1][m][l] >> 1];
+ } else {
+ return Q_div2_tab_right[sbr->Q[0][m][l]][sbr->Q[1][m][l] >> 1];
+ }
+ }
+ } else {
+ /* no coupling */
+ if (sbr->Q[ch][m][l] < 0 || sbr->Q[ch][m][l] > 30)
+ {
+ return 0;
+ } else {
+ return Q_div2_tab[sbr->Q[ch][m][l]];
+ }
+ }
+}
+
+static const real_t E_deq_tab[64] = {
+ 64.0f, 128.0f, 256.0f, 512.0f, 1024.0f, 2048.0f, 4096.0f, 8192.0f,
+ 16384.0f, 32768.0f, 65536.0f, 131072.0f, 262144.0f, 524288.0f, 1.04858E+006f, 2.09715E+006f,
+ 4.1943E+006f, 8.38861E+006f, 1.67772E+007f, 3.35544E+007f, 6.71089E+007f, 1.34218E+008f, 2.68435E+008f, 5.36871E+008f,
+ 1.07374E+009f, 2.14748E+009f, 4.29497E+009f, 8.58993E+009f, 1.71799E+010f, 3.43597E+010f, 6.87195E+010f, 1.37439E+011f,
+ 2.74878E+011f, 5.49756E+011f, 1.09951E+012f, 2.19902E+012f, 4.39805E+012f, 8.79609E+012f, 1.75922E+013f, 3.51844E+013f,
+ 7.03687E+013f, 1.40737E+014f, 2.81475E+014f, 5.6295E+014f, 1.1259E+015f, 2.2518E+015f, 4.5036E+015f, 9.0072E+015f,
+ 1.80144E+016f, 3.60288E+016f, 7.20576E+016f, 1.44115E+017f, 2.8823E+017f, 5.76461E+017f, 1.15292E+018f, 2.30584E+018f,
+ 4.61169E+018f, 9.22337E+018f, 1.84467E+019f, 3.68935E+019f, 7.3787E+019f, 1.47574E+020f, 2.95148E+020f, 5.90296E+020f
+};
+
void envelope_noise_dequantisation(sbr_info *sbr, uint8_t ch)
{
if (sbr->bs_coupling == 0)
@@ -253,22 +401,22 @@ void envelope_noise_dequantisation(sbr_info *sbr, uint8_t ch)
{
for (k = 0; k < sbr->n[sbr->f[ch][l]]; k++)
{
- /* +6 for the *64 and -10 for the /32 in the synthesis QMF
+ /* +6 for the *64 and -10 for the /32 in the synthesis QMF (fixed)
* since this is a energy value: (x/32)^2 = (x^2)/1024
*/
- exp = (sbr->E[ch][k][l] >> amp) + 6;
+ /* exp = (sbr->E[ch][k][l] >> amp) + 6; */
+ exp = (sbr->E[ch][k][l] >> amp);
- if ((exp < -P2_TABLE_OFFSET) || (exp > P2_TABLE_MAX))
+ if ((exp < 0) || (exp >= 64))
{
sbr->E_orig[ch][k][l] = 0;
} else {
- /* FIXED POINT TODO: E_orig: INTEGER!! */
- sbr->E_orig[ch][k][l] = pow2deq[exp + P2_TABLE_OFFSET];
+ sbr->E_orig[ch][k][l] = E_deq_tab[exp];
/* save half the table size at the cost of 1 multiply */
if (amp && (sbr->E[ch][k][l] & 1))
{
- sbr->E_orig[ch][k][l] = MUL_R(sbr->E_orig[ch][k][l], REAL_CONST(1.414213562));
+ sbr->E_orig[ch][k][l] = MUL_C(sbr->E_orig[ch][k][l], COEF_CONST(1.414213562));
}
}
}
@@ -278,18 +426,29 @@ void envelope_noise_dequantisation(sbr_info *sbr, uint8_t ch)
{
for (k = 0; k < sbr->N_Q; k++)
{
- if (sbr->Q[ch][k][l] < 0 || sbr->Q[ch][k][l] > 30)
- {
- sbr->Q_orig[ch][k][l] = 0;
- } else {
- exp = NOISE_FLOOR_OFFSET - sbr->Q[ch][k][l];
- sbr->Q_orig[ch][k][l] = pow2deq[exp + P2_TABLE_OFFSET];
- }
+ sbr->Q_div[ch][k][l] = calc_Q_div(sbr, ch, k, l);
+ sbr->Q_div2[ch][k][l] = calc_Q_div2(sbr, ch, k, l);
}
}
}
}
+static const real_t E_pan_tab[25] = {
+ FRAC_CONST(0.000244081), FRAC_CONST(0.000488043),
+ FRAC_CONST(0.00097561), FRAC_CONST(0.00194932),
+ FRAC_CONST(0.00389105), FRAC_CONST(0.00775194),
+ FRAC_CONST(0.0153846), FRAC_CONST(0.030303),
+ FRAC_CONST(0.0588235), FRAC_CONST(0.111111),
+ FRAC_CONST(0.2), FRAC_CONST(0.333333),
+ FRAC_CONST(0.5), FRAC_CONST(0.666667),
+ FRAC_CONST(0.8), FRAC_CONST(0.888889),
+ FRAC_CONST(0.941176), FRAC_CONST(0.969697),
+ FRAC_CONST(0.984615), FRAC_CONST(0.992248),
+ FRAC_CONST(0.996109), FRAC_CONST(0.998051),
+ FRAC_CONST(0.999024), FRAC_CONST(0.999512),
+ FRAC_CONST(0.999756)
+};
+
void unmap_envelope_noise(sbr_info *sbr)
{
real_t tmp;
@@ -302,49 +461,47 @@ void unmap_envelope_noise(sbr_info *sbr)
{
for (k = 0; k < sbr->n[sbr->f[0][l]]; k++)
{
- /* +6: * 64 ; +1: * 2 ; -10: /1024 QMF */
- exp0 = (sbr->E[0][k][l] >> amp0) + 7;
+ /* +6: * 64 ; +1: * 2 ; */
+ exp0 = (sbr->E[0][k][l] >> amp0) + 1;
/* UN_MAP removed: (x / 4096) same as (x >> 12) */
/* E[1] is always even so no need for compensating the divide by 2 with
* an extra multiplication
*/
- exp1 = (sbr->E[1][k][l] >> amp1) - 12;
+ /* exp1 = (sbr->E[1][k][l] >> amp1) - 12; */
+ exp1 = (sbr->E[1][k][l] >> amp1);
- if ((exp0 < -P2_TABLE_OFFSET) || (exp0 > P2_TABLE_MAX) ||
- (exp1 < -P2_TABLE_RCP_OFFSET) || (exp1 > P2_TABLE_RCP_MAX))
+ if ((exp0 < 0) || (exp0 >= 64) ||
+ (exp1 < 0) || (exp1 > 24))
{
sbr->E_orig[1][k][l] = 0;
sbr->E_orig[0][k][l] = 0;
} else {
- tmp = pow2deq[exp0 + P2_TABLE_OFFSET];
+ tmp = E_deq_tab[exp0];
if (amp0 && (sbr->E[0][k][l] & 1))
- tmp = MUL_R(tmp, REAL_CONST(1.414213562));
+ {
+ tmp = MUL_C(tmp, COEF_CONST(1.414213562));
+ }
- /* FIXED POINT TODO: E_orig: INTEGER!! */
- sbr->E_orig[1][k][l] = MUL_F(tmp, pow2deq_rcp[exp1 + P2_TABLE_RCP_OFFSET]);
- sbr->E_orig[0][k][l] = MUL_R(sbr->E_orig[1][k][l], pow2deq[exp1 + P2_TABLE_OFFSET]);
+ /* panning */
+ sbr->E_orig[0][k][l] = MUL_F(tmp, E_pan_tab[exp1]);
+ sbr->E_orig[1][k][l] = MUL_F(tmp, E_pan_tab[24 - exp1]);
}
}
}
+
for (l = 0; l < sbr->L_Q[0]; l++)
{
for (k = 0; k < sbr->N_Q; k++)
{
- if ((sbr->Q[0][k][l] < 0 || sbr->Q[0][k][l] > 30) ||
- (sbr->Q[1][k][l] < 0 || sbr->Q[1][k][l] > 24 /* 2*panOffset(1) */))
- {
- sbr->Q_orig[0][k][l] = 0;
- sbr->Q_orig[1][k][l] = 0;
- } else {
- exp0 = NOISE_FLOOR_OFFSET - sbr->Q[0][k][l] + 1;
- exp1 = sbr->Q[1][k][l] - 12;
-
- sbr->Q_orig[1][k][l] = MUL_F(pow2deq[exp0 + P2_TABLE_OFFSET], pow2deq_rcp[exp1 + P2_TABLE_RCP_OFFSET]);
- sbr->Q_orig[0][k][l] = MUL_R(sbr->Q_orig[1][k][l], pow2deq[exp1 + P2_TABLE_OFFSET]);
- }
+ sbr->Q_div[0][k][l] = calc_Q_div(sbr, 0, k, l);
+ sbr->Q_div[1][k][l] = calc_Q_div(sbr, 1, k, l);
+ sbr->Q_div2[0][k][l] = calc_Q_div2(sbr, 0, k, l);
+ sbr->Q_div2[1][k][l] = calc_Q_div2(sbr, 1, k, l);
}
}
}
#endif
+
+#endif
diff --git a/src/libfaad/sbr_e_nf.h b/src/libfaad/sbr_e_nf.h
index 74be8c377..48874c125 100644
--- a/src/libfaad/sbr_e_nf.h
+++ b/src/libfaad/sbr_e_nf.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_e_nf.h,v 1.4 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_e_nf.h,v 1.5 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __SBR_E_NF_H__
@@ -33,23 +33,12 @@ extern "C" {
#endif
-#ifndef FIXED_POINT
-#define P2_TABLE_OFFSET 35
-#define P2_TABLE_MAX 91
-#else
-#define P2Q_TABLE_OFFSET 24
-#define P2Q_TABLE_MAX 7
-#define P2_TABLE_OFFSET 0
-#define P2_TABLE_MAX 31
-#endif
-#define P2_TABLE_RCP_OFFSET 12
-#define P2_TABLE_RCP_MAX 21
-
-
void extract_envelope_data(sbr_info *sbr, uint8_t ch);
void extract_noise_floor_data(sbr_info *sbr, uint8_t ch);
+#ifndef FIXED_POINT
void envelope_noise_dequantisation(sbr_info *sbr, uint8_t ch);
void unmap_envelope_noise(sbr_info *sbr);
+#endif
#ifdef __cplusplus
}
diff --git a/src/libfaad/sbr_fbt.c b/src/libfaad/sbr_fbt.c
index ef7dd7185..511235863 100644
--- a/src/libfaad/sbr_fbt.c
+++ b/src/libfaad/sbr_fbt.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_fbt.c,v 1.4 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_fbt.c,v 1.5 2005/10/29 23:57:07 tmmm Exp $
**/
/* Calculate frequency band tables */
@@ -197,7 +197,7 @@ uint8_t master_frequency_table_fs0(sbr_info *sbr, uint8_t k0, uint8_t k2,
if (k2 <= k0)
{
sbr->N_master = 0;
- return 0;
+ return 1;
}
dk = bs_alter_scale ? 2 : 1;
@@ -224,7 +224,7 @@ uint8_t master_frequency_table_fs0(sbr_info *sbr, uint8_t k0, uint8_t k2,
if (k2Diff)
{
incr = (k2Diff > 0) ? -1 : 1;
- k = (k2Diff > 0) ? (nrBands-1) : 0;
+ k = (uint8_t) ((k2Diff > 0) ? (nrBands-1) : 0);
while (k2Diff != 0)
{
@@ -236,10 +236,10 @@ uint8_t master_frequency_table_fs0(sbr_info *sbr, uint8_t k0, uint8_t k2,
sbr->f_master[0] = k0;
for (k = 1; k <= nrBands; k++)
- sbr->f_master[k] = sbr->f_master[k-1] + vDk[k-1];
+ sbr->f_master[k] = (uint8_t)(sbr->f_master[k-1] + vDk[k-1]);
- sbr->N_master = nrBands;
- sbr->N_master = min(sbr->N_master, 64);
+ sbr->N_master = (uint8_t)nrBands;
+ sbr->N_master = (min(sbr->N_master, 64));
#if 0
printf("f_master[%d]: ", nrBands);
@@ -355,18 +355,23 @@ uint8_t master_frequency_table(sbr_info *sbr, uint8_t k0, uint8_t k2,
uint8_t temp1[] = { 6, 5, 4 };
real_t q, qk;
int32_t A_1;
+#ifdef FIXED_POINT
+ real_t rk2, rk0;
+#endif
/* mft only defined for k2 > k0 */
if (k2 <= k0)
{
sbr->N_master = 0;
- return 0;
+ return 1;
}
bands = temp1[bs_freq_scale-1];
#ifdef FIXED_POINT
- if (REAL_CONST(k2) > MUL_R(REAL_CONST(k0),REAL_CONST(2.2449)))
+ rk0 = (real_t)k0 << REAL_BITS;
+ rk2 = (real_t)k2 << REAL_BITS;
+ if (rk2 > MUL_C(rk0, COEF_CONST(2.2449)))
#else
if ((float)k2/(float)k0 > 2.2449)
#endif
@@ -378,16 +383,18 @@ uint8_t master_frequency_table(sbr_info *sbr, uint8_t k0, uint8_t k2,
k1 = k2;
}
- nrBand0 = 2 * find_bands(0, bands, k0, k1);
+ nrBand0 = (uint8_t)(2 * find_bands(0, bands, k0, k1));
nrBand0 = min(nrBand0, 63);
if (nrBand0 <= 0)
return 1;
q = find_initial_power(nrBand0, k0, k1);
- qk = REAL_CONST(k0);
#ifdef FIXED_POINT
- A_1 = (int32_t)((qk + REAL_CONST(0.5)) >> REAL_BITS);
+ qk = (real_t)k0 << REAL_BITS;
+ //A_1 = (int32_t)((qk + REAL_CONST(0.5)) >> REAL_BITS);
+ A_1 = k0;
#else
+ qk = REAL_CONST(k0);
A_1 = (int32_t)(qk + .5);
#endif
for (k = 0; k <= nrBand0; k++)
@@ -417,21 +424,23 @@ uint8_t master_frequency_table(sbr_info *sbr, uint8_t k0, uint8_t k2,
if (!twoRegions)
{
for (k = 0; k <= nrBand0; k++)
- sbr->f_master[k] = vk0[k];
+ sbr->f_master[k] = (uint8_t) vk0[k];
sbr->N_master = nrBand0;
sbr->N_master = min(sbr->N_master, 64);
return 0;
}
- nrBand1 = 2 * find_bands(1 /* warped */, bands, k1, k2);
+ nrBand1 = (uint8_t)(2 * find_bands(1 /* warped */, bands, k1, k2));
nrBand1 = min(nrBand1, 63);
q = find_initial_power(nrBand1, k1, k2);
- qk = REAL_CONST(k1);
#ifdef FIXED_POINT
- A_1 = (int32_t)((qk + REAL_CONST(0.5)) >> REAL_BITS);
+ qk = (real_t)k1 << REAL_BITS;
+ //A_1 = (int32_t)((qk + REAL_CONST(0.5)) >> REAL_BITS);
+ A_1 = k1;
#else
+ qk = REAL_CONST(k1);
A_1 = (int32_t)(qk + .5);
#endif
for (k = 0; k <= nrBand1 - 1; k++)
@@ -472,11 +481,11 @@ uint8_t master_frequency_table(sbr_info *sbr, uint8_t k0, uint8_t k2,
sbr->N_master = min(sbr->N_master, 64);
for (k = 0; k <= nrBand0; k++)
{
- sbr->f_master[k] = vk0[k];
+ sbr->f_master[k] = (uint8_t) vk0[k];
}
for (k = nrBand0 + 1; k <= sbr->N_master; k++)
{
- sbr->f_master[k] = vk1[k - nrBand0];
+ sbr->f_master[k] = (uint8_t) vk1[k - nrBand0];
}
#if 0
@@ -527,11 +536,13 @@ uint8_t derived_frequency_table(sbr_info *sbr, uint8_t bs_xover_band,
if (k == 0)
i = 0;
else
- i = 2*k - minus;
+ i = (uint8_t)(2*k - minus);
sbr->f_table_res[LO_RES][k] = sbr->f_table_res[HI_RES][i];
}
#if 0
+ printf("bs_freq_scale: %d\n", sbr->bs_freq_scale);
+ printf("bs_limiter_bands: %d\n", sbr->bs_limiter_bands);
printf("f_table_res[HI_RES][%d]: ", sbr->N_high);
for (k = 0; k <= sbr->N_high; k++)
{
@@ -556,7 +567,7 @@ uint8_t derived_frequency_table(sbr_info *sbr, uint8_t bs_xover_band,
#if 0
sbr->N_Q = max(1, (int32_t)(sbr->bs_noise_bands*(log(k2/(float)sbr->kx)/log(2.0)) + 0.5));
#else
- sbr->N_Q = max(1, find_bands(0, sbr->bs_noise_bands, sbr->kx, k2));
+ sbr->N_Q = (uint8_t)(max(1, find_bands(0, sbr->bs_noise_bands, sbr->kx, k2)));
#endif
sbr->N_Q = min(5, sbr->N_Q);
}
@@ -592,7 +603,7 @@ uint8_t derived_frequency_table(sbr_info *sbr, uint8_t bs_xover_band,
printf("f_table_noise[%d]: ", sbr->N_Q);
for (k = 0; k <= sbr->N_Q; k++)
{
- printf("%d ", sbr->f_table_noise[k]);
+ printf("%d ", sbr->f_table_noise[k] - sbr->kx);
}
printf("\n");
#endif
@@ -611,8 +622,8 @@ void limiter_frequency_table(sbr_info *sbr)
static const real_t limiterBandsPerOctave[] = { REAL_CONST(1.2),
REAL_CONST(2), REAL_CONST(3) };
#else
- static const real_t limiterBandsCompare[] = { REAL_CONST(1.328125),
- REAL_CONST(1.1875), REAL_CONST(1.125) };
+ static const real_t limiterBandsCompare[] = { REAL_CONST(1.327152),
+ REAL_CONST(1.185093), REAL_CONST(1.119872) };
#endif
uint8_t k, s;
int8_t nrLim;
@@ -624,6 +635,15 @@ void limiter_frequency_table(sbr_info *sbr)
sbr->f_table_lim[0][1] = sbr->f_table_res[LO_RES][sbr->N_low] - sbr->kx;
sbr->N_L[0] = 1;
+#if 0
+ printf("f_table_lim[%d][%d]: ", 0, sbr->N_L[0]);
+ for (k = 0; k <= sbr->N_L[0]; k++)
+ {
+ printf("%d ", sbr->f_table_lim[0][k]);
+ }
+ printf("\n");
+#endif
+
for (s = 1; s < 4; s++)
{
int32_t limTable[100 /*TODO*/] = {0};
@@ -664,17 +684,18 @@ restart:
if (limTable[k-1] != 0)
#if 0
nOctaves = REAL_CONST(log((float)limTable[k]/(float)limTable[k-1])/log(2.0));
-#endif
+#else
#ifdef FIXED_POINT
- nOctaves = SBR_DIV(REAL_CONST(limTable[k]),REAL_CONST(limTable[k-1]));
+ nOctaves = DIV_R((limTable[k]<<REAL_BITS),REAL_CONST(limTable[k-1]));
#else
nOctaves = (real_t)limTable[k]/(real_t)limTable[k-1];
#endif
+#endif
else
nOctaves = 0;
#if 0
- if ((MUL(nOctaves,limBands)) < REAL_CONST(0.49))
+ if ((MUL_R(nOctaves,limBands)) < REAL_CONST(0.49))
#else
if (nOctaves < limiterBandsCompare[s - 1])
#endif
diff --git a/src/libfaad/sbr_fbt.h b/src/libfaad/sbr_fbt.h
index 0a5e0d6ee..26c580efe 100644
--- a/src/libfaad/sbr_fbt.h
+++ b/src/libfaad/sbr_fbt.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_fbt.h,v 1.4 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_fbt.h,v 1.5 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __SBR_FBT_H__
diff --git a/src/libfaad/sbr_hfadj.c b/src/libfaad/sbr_hfadj.c
index 55049ce30..081f731e9 100644
--- a/src/libfaad/sbr_hfadj.c
+++ b/src/libfaad/sbr_hfadj.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_hfadj.c,v 1.4 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_hfadj.c,v 1.5 2005/10/29 23:57:07 tmmm Exp $
**/
/* High Frequency adjustment */
@@ -38,9 +38,7 @@
#include "sbr_noise.h"
-/* static function delcarations */
-static void map_noise_data(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch);
-static void map_sinusoids(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch);
+/* static function declarations */
static void estimate_current_envelope(sbr_info *sbr, sbr_hfadj_info *adj,
qmf_t Xsbr[MAX_NTSRHFG][64], uint8_t ch);
static void calculate_gain(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch);
@@ -59,54 +57,6 @@ void hf_adjustment(sbr_info *sbr, qmf_t Xsbr[MAX_NTSRHFG][64]
{
ALIGN sbr_hfadj_info adj = {{{0}}};
- map_noise_data(sbr, &adj, ch);
- map_sinusoids(sbr, &adj, ch);
-
- estimate_current_envelope(sbr, &adj, Xsbr, ch);
-
- calculate_gain(sbr, &adj, ch);
-
-#ifdef SBR_LOW_POWER
- calc_gain_groups(sbr, &adj, deg, ch);
- aliasing_reduction(sbr, &adj, deg, ch);
-#endif
-
- hf_assembly(sbr, &adj, Xsbr, ch);
-}
-
-static void map_noise_data(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch)
-{
- uint8_t l, i;
- uint32_t m;
-
- for (l = 0; l < sbr->L_E[ch]; l++)
- {
- for (i = 0; i < sbr->N_Q; i++)
- {
- for (m = sbr->f_table_noise[i]; m < sbr->f_table_noise[i+1]; m++)
- {
- uint8_t k;
-
- adj->Q_mapped[m - sbr->kx][l] = 0;
-
- for (k = 0; k < 2; k++)
- {
- if ((sbr->t_E[ch][l] >= sbr->t_Q[ch][k]) &&
- (sbr->t_E[ch][l+1] <= sbr->t_Q[ch][k+1]))
- {
- adj->Q_mapped[m - sbr->kx][l] =
- sbr->Q_orig[ch][i][k];
- }
- }
- }
- }
- }
-}
-
-static void map_sinusoids(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch)
-{
- uint8_t l, i, m, k, k1, k2, delta_S, l_i, u_i;
-
if (sbr->bs_frame_class[ch] == FIXFIX)
{
sbr->l_A[ch] = -1;
@@ -122,82 +72,57 @@ static void map_sinusoids(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch)
sbr->l_A[ch] = sbr->L_E[ch] + 1 - sbr->bs_pointer[ch];
}
- for (l = 0; l < 5; l++)
- {
- for (i = 0; i < 64; i++)
- {
- adj->S_index_mapped[i][l] = 0;
- adj->S_mapped[i][l] = 0;
- }
- }
+ estimate_current_envelope(sbr, &adj, Xsbr, ch);
- for (l = 0; l < sbr->L_E[ch]; l++)
- {
- for (i = 0; i < sbr->N_high; i++)
- {
- for (m = sbr->f_table_res[HI_RES][i]; m < sbr->f_table_res[HI_RES][i+1]; m++)
- {
- uint8_t delta_step = 0;
- if ((l >= sbr->l_A[ch]) || ((sbr->bs_add_harmonic_prev[ch][i]) &&
- (sbr->bs_add_harmonic_flag_prev[ch])))
- {
- delta_step = 1;
- }
+ calculate_gain(sbr, &adj, ch);
- if (m == (int32_t)((real_t)(sbr->f_table_res[HI_RES][i+1]+sbr->f_table_res[HI_RES][i])/2.))
- {
- adj->S_index_mapped[m - sbr->kx][l] =
- delta_step * sbr->bs_add_harmonic[ch][i];
- } else {
- adj->S_index_mapped[m - sbr->kx][l] = 0;
- }
- }
- }
- }
+#ifdef SBR_LOW_POWER
+ calc_gain_groups(sbr, &adj, deg, ch);
+ aliasing_reduction(sbr, &adj, deg, ch);
+#endif
- for (l = 0; l < sbr->L_E[ch]; l++)
+ hf_assembly(sbr, &adj, Xsbr, ch);
+}
+
+static uint8_t get_S_mapped(sbr_info *sbr, uint8_t ch, uint8_t l, uint8_t current_band)
+{
+ if (sbr->f[ch][l] == HI_RES)
{
- for (i = 0; i < sbr->N_high; i++)
+ /* in case of using f_table_high we just have 1 to 1 mapping
+ * from bs_add_harmonic[l][k]
+ */
+ if ((l >= sbr->l_A[ch]) ||
+ (sbr->bs_add_harmonic_prev[ch][current_band] && sbr->bs_add_harmonic_flag_prev[ch]))
{
- if (sbr->f[ch][l] == 1)
- {
- k1 = i;
- k2 = i + 1;
- } else {
- for (k1 = 0; k1 < sbr->N_low; k1++)
- {
- if ((sbr->f_table_res[HI_RES][i] >= sbr->f_table_res[LO_RES][k1]) &&
- (sbr->f_table_res[HI_RES][i+1] <= sbr->f_table_res[LO_RES][k1+1]))
- {
- break;
- }
- }
- for (k2 = 0; k2 < sbr->N_low; k2++)
- {
- if ((sbr->f_table_res[HI_RES][i+1] >= sbr->f_table_res[LO_RES][k2]) &&
- (sbr->f_table_res[HI_RES][i+2] <= sbr->f_table_res[LO_RES][k2+1]))
- {
- break;
- }
- }
- }
+ return sbr->bs_add_harmonic[ch][current_band];
+ }
+ } else {
+ uint8_t b, lb, ub;
- l_i = sbr->f_table_res[sbr->f[ch][l]][k1];
- u_i = sbr->f_table_res[sbr->f[ch][l]][k2];
+ /* in case of f_table_low we check if any of the HI_RES bands
+ * within this LO_RES band has bs_add_harmonic[l][k] turned on
+ * (note that borders in the LO_RES table are also present in
+ * the HI_RES table)
+ */
- delta_S = 0;
- for (k = l_i; k < u_i; k++)
- {
- if (adj->S_index_mapped[k - sbr->kx][l] == 1)
- delta_S = 1;
- }
+ /* find first HI_RES band in current LO_RES band */
+ lb = 2*current_band - ((sbr->N_high & 1) ? 1 : 0);
+ /* find first HI_RES band in next LO_RES band */
+ ub = 2*(current_band+1) - ((sbr->N_high & 1) ? 1 : 0);
- for (m = l_i; m < u_i; m++)
+ /* check all HI_RES bands in current LO_RES band for sinusoid */
+ for (b = lb; b < ub; b++)
+ {
+ if ((l >= sbr->l_A[ch]) ||
+ (sbr->bs_add_harmonic_prev[ch][b] && sbr->bs_add_harmonic_flag_prev[ch]))
{
- adj->S_mapped[m - sbr->kx][l] = delta_S;
+ if (sbr->bs_add_harmonic[ch][b] == 1)
+ return 1;
}
}
}
+
+ return 0;
}
static void estimate_current_envelope(sbr_info *sbr, sbr_hfadj_info *adj,
@@ -223,17 +148,30 @@ static void estimate_current_envelope(sbr_info *sbr, sbr_hfadj_info *adj,
for (i = l_i + sbr->tHFAdj; i < u_i + sbr->tHFAdj; i++)
{
+#ifdef FIXED_POINT
+#ifdef SBR_LOW_POWER
+ nrg += ((QMF_RE(Xsbr[i][m + sbr->kx])+(1<<(REAL_BITS-1)))>>REAL_BITS)*((QMF_RE(Xsbr[i][m + sbr->kx])+(1<<(REAL_BITS-1)))>>REAL_BITS);
+#else
+ nrg += ((QMF_RE(Xsbr[i][m + sbr->kx])+(1<<(REAL_BITS-1)))>>REAL_BITS)*((QMF_RE(Xsbr[i][m + sbr->kx])+(1<<(REAL_BITS-1)))>>REAL_BITS) +
+ ((QMF_IM(Xsbr[i][m + sbr->kx])+(1<<(REAL_BITS-1)))>>REAL_BITS)*((QMF_IM(Xsbr[i][m + sbr->kx])+(1<<(REAL_BITS-1)))>>REAL_BITS);
+#endif
+#else
nrg += MUL_R(QMF_RE(Xsbr[i][m + sbr->kx]), QMF_RE(Xsbr[i][m + sbr->kx]))
#ifndef SBR_LOW_POWER
+ MUL_R(QMF_IM(Xsbr[i][m + sbr->kx]), QMF_IM(Xsbr[i][m + sbr->kx]))
#endif
;
+#endif
}
sbr->E_curr[ch][m][l] = nrg / div;
#ifdef SBR_LOW_POWER
+#ifdef FIXED_POINT
+ sbr->E_curr[ch][m][l] <<= 1;
+#else
sbr->E_curr[ch][m][l] *= 2;
#endif
+#endif
}
}
} else {
@@ -247,7 +185,7 @@ static void estimate_current_envelope(sbr_info *sbr, sbr_hfadj_info *adj,
for (k = k_l; k < k_h; k++)
{
uint8_t i, l_i, u_i;
- nrg = 0.0;
+ nrg = 0;
l_i = sbr->t_E[ch][l];
u_i = sbr->t_E[ch][l+1];
@@ -258,53 +196,973 @@ static void estimate_current_envelope(sbr_info *sbr, sbr_hfadj_info *adj,
{
for (j = k_l; j < k_h; j++)
{
+#ifdef FIXED_POINT
+#ifdef SBR_LOW_POWER
+ nrg += ((QMF_RE(Xsbr[i][j])+(1<<(REAL_BITS-1)))>>REAL_BITS)*((QMF_RE(Xsbr[i][j])+(1<<(REAL_BITS-1)))>>REAL_BITS);
+#else
+ nrg += ((QMF_RE(Xsbr[i][j])+(1<<(REAL_BITS-1)))>>REAL_BITS)*((QMF_RE(Xsbr[i][j])+(1<<(REAL_BITS-1)))>>REAL_BITS) +
+ ((QMF_IM(Xsbr[i][j])+(1<<(REAL_BITS-1)))>>REAL_BITS)*((QMF_IM(Xsbr[i][j])+(1<<(REAL_BITS-1)))>>REAL_BITS);
+#endif
+#else
nrg += MUL_R(QMF_RE(Xsbr[i][j]), QMF_RE(Xsbr[i][j]))
#ifndef SBR_LOW_POWER
+ MUL_R(QMF_IM(Xsbr[i][j]), QMF_IM(Xsbr[i][j]))
#endif
;
+#endif
}
}
sbr->E_curr[ch][k - sbr->kx][l] = nrg / div;
#ifdef SBR_LOW_POWER
+#ifdef FIXED_POINT
+ sbr->E_curr[ch][k - sbr->kx][l] <<= 1;
+#else
sbr->E_curr[ch][k - sbr->kx][l] *= 2;
#endif
+#endif
}
}
}
}
}
-
+#ifdef FIXED_POINT
+#define EPS (1) /* smallest number available in fixed point */
+#else
#define EPS (1e-12)
+#endif
+
+
+
+#ifdef FIXED_POINT
+
+/* log2 values of [0..63] */
+static const real_t log2_int_tab[] = {
+ LOG2_MIN_INF, REAL_CONST(0.000000000000000), REAL_CONST(1.000000000000000), REAL_CONST(1.584962500721156),
+ REAL_CONST(2.000000000000000), REAL_CONST(2.321928094887362), REAL_CONST(2.584962500721156), REAL_CONST(2.807354922057604),
+ REAL_CONST(3.000000000000000), REAL_CONST(3.169925001442313), REAL_CONST(3.321928094887363), REAL_CONST(3.459431618637297),
+ REAL_CONST(3.584962500721156), REAL_CONST(3.700439718141092), REAL_CONST(3.807354922057604), REAL_CONST(3.906890595608519),
+ REAL_CONST(4.000000000000000), REAL_CONST(4.087462841250339), REAL_CONST(4.169925001442312), REAL_CONST(4.247927513443585),
+ REAL_CONST(4.321928094887362), REAL_CONST(4.392317422778761), REAL_CONST(4.459431618637297), REAL_CONST(4.523561956057013),
+ REAL_CONST(4.584962500721156), REAL_CONST(4.643856189774724), REAL_CONST(4.700439718141093), REAL_CONST(4.754887502163468),
+ REAL_CONST(4.807354922057604), REAL_CONST(4.857980995127572), REAL_CONST(4.906890595608519), REAL_CONST(4.954196310386875),
+ REAL_CONST(5.000000000000000), REAL_CONST(5.044394119358453), REAL_CONST(5.087462841250340), REAL_CONST(5.129283016944966),
+ REAL_CONST(5.169925001442312), REAL_CONST(5.209453365628949), REAL_CONST(5.247927513443585), REAL_CONST(5.285402218862248),
+ REAL_CONST(5.321928094887363), REAL_CONST(5.357552004618084), REAL_CONST(5.392317422778761), REAL_CONST(5.426264754702098),
+ REAL_CONST(5.459431618637297), REAL_CONST(5.491853096329675), REAL_CONST(5.523561956057013), REAL_CONST(5.554588851677637),
+ REAL_CONST(5.584962500721156), REAL_CONST(5.614709844115208), REAL_CONST(5.643856189774724), REAL_CONST(5.672425341971495),
+ REAL_CONST(5.700439718141093), REAL_CONST(5.727920454563200), REAL_CONST(5.754887502163469), REAL_CONST(5.781359713524660),
+ REAL_CONST(5.807354922057605), REAL_CONST(5.832890014164742), REAL_CONST(5.857980995127572), REAL_CONST(5.882643049361842),
+ REAL_CONST(5.906890595608518), REAL_CONST(5.930737337562887), REAL_CONST(5.954196310386876), REAL_CONST(5.977279923499916)
+};
+
+static const real_t pan_log2_tab[] = {
+ REAL_CONST(1.000000000000000), REAL_CONST(0.584962500721156), REAL_CONST(0.321928094887362), REAL_CONST(0.169925001442312), REAL_CONST(0.087462841250339),
+ REAL_CONST(0.044394119358453), REAL_CONST(0.022367813028455), REAL_CONST(0.011227255423254), REAL_CONST(0.005624549193878), REAL_CONST(0.002815015607054),
+ REAL_CONST(0.001408194392808), REAL_CONST(0.000704269011247), REAL_CONST(0.000352177480301), REAL_CONST(0.000176099486443), REAL_CONST(0.000088052430122),
+ REAL_CONST(0.000044026886827), REAL_CONST(0.000022013611360), REAL_CONST(0.000011006847667)
+};
+
+static real_t find_log2_E(sbr_info *sbr, uint8_t k, uint8_t l, uint8_t ch)
+{
+ /* check for coupled energy/noise data */
+ if (sbr->bs_coupling == 1)
+ {
+ uint8_t amp0 = (sbr->amp_res[0]) ? 0 : 1;
+ uint8_t amp1 = (sbr->amp_res[1]) ? 0 : 1;
+ real_t tmp = (7 << REAL_BITS) + (sbr->E[0][k][l] << (REAL_BITS-amp0));
+ real_t pan;
+
+ /* E[1] should always be even so shifting is OK */
+ uint8_t E = sbr->E[1][k][l] >> amp1;
-#define ONE (1)
+ if (ch == 0)
+ {
+ if (E > 12)
+ {
+ /* negative */
+ pan = pan_log2_tab[-12 + E];
+ } else {
+ /* positive */
+ pan = pan_log2_tab[12 - E] + ((12 - E)<<REAL_BITS);
+ }
+ } else {
+ if (E < 12)
+ {
+ /* negative */
+ pan = pan_log2_tab[-E + 12];
+ } else {
+ /* positive */
+ pan = pan_log2_tab[E - 12] + ((E - 12)<<REAL_BITS);
+ }
+ }
+ /* tmp / pan in log2 */
+ return tmp - pan;
+ } else {
+ uint8_t amp = (sbr->amp_res[ch]) ? 0 : 1;
+
+ return (6 << REAL_BITS) + (sbr->E[ch][k][l] << (REAL_BITS-amp));
+ }
+}
+
+static real_t find_log2_Q(sbr_info *sbr, uint8_t k, uint8_t l, uint8_t ch)
+{
+ /* check for coupled energy/noise data */
+ if (sbr->bs_coupling == 1)
+ {
+ real_t tmp = (7 << REAL_BITS) - (sbr->Q[0][k][l] << REAL_BITS);
+ real_t pan;
+
+ uint8_t Q = sbr->Q[1][k][l];
+
+ if (ch == 0)
+ {
+ if (Q > 12)
+ {
+ /* negative */
+ pan = pan_log2_tab[-12 + Q];
+ } else {
+ /* positive */
+ pan = pan_log2_tab[12 - Q] + ((12 - Q)<<REAL_BITS);
+ }
+ } else {
+ if (Q < 12)
+ {
+ /* negative */
+ pan = pan_log2_tab[-Q + 12];
+ } else {
+ /* positive */
+ pan = pan_log2_tab[Q - 12] + ((Q - 12)<<REAL_BITS);
+ }
+ }
+
+ /* tmp / pan in log2 */
+ return tmp - pan;
+ } else {
+ return (6 << REAL_BITS) - (sbr->Q[ch][k][l] << REAL_BITS);
+ }
+}
+
+static const real_t log_Qplus1_pan[31][13] = {
+ { REAL_CONST(0.044383447617292), REAL_CONST(0.169768601655960), REAL_CONST(0.583090126514435), REAL_CONST(1.570089221000671), REAL_CONST(3.092446088790894), REAL_CONST(4.733354568481445), REAL_CONST(6.022367954254150), REAL_CONST(6.692092418670654), REAL_CONST(6.924463272094727), REAL_CONST(6.989034175872803), REAL_CONST(7.005646705627441), REAL_CONST(7.009829998016357), REAL_CONST(7.010877609252930) },
+ { REAL_CONST(0.022362394258380), REAL_CONST(0.087379962205887), REAL_CONST(0.320804953575134), REAL_CONST(0.988859415054321), REAL_CONST(2.252387046813965), REAL_CONST(3.786596298217773), REAL_CONST(5.044394016265869), REAL_CONST(5.705977916717529), REAL_CONST(5.936291694641113), REAL_CONST(6.000346660614014), REAL_CONST(6.016829967498779), REAL_CONST(6.020981311798096), REAL_CONST(6.022020816802979) },
+ { REAL_CONST(0.011224525049329), REAL_CONST(0.044351425021887), REAL_CONST(0.169301137328148), REAL_CONST(0.577544987201691), REAL_CONST(1.527246952056885), REAL_CONST(2.887525320053101), REAL_CONST(4.087462902069092), REAL_CONST(4.733354568481445), REAL_CONST(4.959661006927490), REAL_CONST(5.022709369659424), REAL_CONST(5.038940429687500), REAL_CONST(5.043028831481934), REAL_CONST(5.044052600860596) },
+ { REAL_CONST(0.005623178556561), REAL_CONST(0.022346137091517), REAL_CONST(0.087132595479488), REAL_CONST(0.317482173442841), REAL_CONST(0.956931233406067), REAL_CONST(2.070389270782471), REAL_CONST(3.169924974441528), REAL_CONST(3.786596298217773), REAL_CONST(4.005294322967529), REAL_CONST(4.066420555114746), REAL_CONST(4.082170009613037), REAL_CONST(4.086137294769287), REAL_CONST(4.087131500244141) },
+ { REAL_CONST(0.002814328996465), REAL_CONST(0.011216334067285), REAL_CONST(0.044224001467228), REAL_CONST(0.167456731200218), REAL_CONST(0.556393325328827), REAL_CONST(1.378511548042297), REAL_CONST(2.321928024291992), REAL_CONST(2.887525320053101), REAL_CONST(3.092446088790894), REAL_CONST(3.150059700012207), REAL_CONST(3.164926528930664), REAL_CONST(3.168673276901245), REAL_CONST(3.169611930847168) },
+ { REAL_CONST(0.001407850766554), REAL_CONST(0.005619067233056), REAL_CONST(0.022281449288130), REAL_CONST(0.086156636476517), REAL_CONST(0.304854571819305), REAL_CONST(0.847996890544891), REAL_CONST(1.584962487220764), REAL_CONST(2.070389270782471), REAL_CONST(2.252387046813965), REAL_CONST(2.304061651229858), REAL_CONST(2.317430257797241), REAL_CONST(2.320801734924316), REAL_CONST(2.321646213531494) },
+ { REAL_CONST(0.000704097095877), REAL_CONST(0.002812269143760), REAL_CONST(0.011183738708496), REAL_CONST(0.043721374124289), REAL_CONST(0.160464659333229), REAL_CONST(0.485426813364029), REAL_CONST(1.000000000000000), REAL_CONST(1.378511548042297), REAL_CONST(1.527246952056885), REAL_CONST(1.570089221000671), REAL_CONST(1.581215262413025), REAL_CONST(1.584023833274841), REAL_CONST(1.584727644920349) },
+ { REAL_CONST(0.000352177477907), REAL_CONST(0.001406819908880), REAL_CONST(0.005602621007711), REAL_CONST(0.022026389837265), REAL_CONST(0.082462236285210), REAL_CONST(0.263034462928772), REAL_CONST(0.584962487220764), REAL_CONST(0.847996890544891), REAL_CONST(0.956931233406067), REAL_CONST(0.988859415054321), REAL_CONST(0.997190535068512), REAL_CONST(0.999296069145203), REAL_CONST(0.999823868274689) },
+ { REAL_CONST(0.000176099492819), REAL_CONST(0.000703581434209), REAL_CONST(0.002804030198604), REAL_CONST(0.011055230163038), REAL_CONST(0.041820213198662), REAL_CONST(0.137503549456596), REAL_CONST(0.321928083896637), REAL_CONST(0.485426813364029), REAL_CONST(0.556393325328827), REAL_CONST(0.577544987201691), REAL_CONST(0.583090126514435), REAL_CONST(0.584493279457092), REAL_CONST(0.584845066070557) },
+ { REAL_CONST(0.000088052431238), REAL_CONST(0.000351833587047), REAL_CONST(0.001402696361765), REAL_CONST(0.005538204684854), REAL_CONST(0.021061634644866), REAL_CONST(0.070389263331890), REAL_CONST(0.169925004243851), REAL_CONST(0.263034462928772), REAL_CONST(0.304854571819305), REAL_CONST(0.317482173442841), REAL_CONST(0.320804953575134), REAL_CONST(0.321646571159363), REAL_CONST(0.321857661008835) },
+ { REAL_CONST(0.000044026888645), REAL_CONST(0.000175927518285), REAL_CONST(0.000701518612914), REAL_CONST(0.002771759871393), REAL_CONST(0.010569252073765), REAL_CONST(0.035623874515295), REAL_CONST(0.087462842464447), REAL_CONST(0.137503549456596), REAL_CONST(0.160464659333229), REAL_CONST(0.167456731200218), REAL_CONST(0.169301137328148), REAL_CONST(0.169768601655960), REAL_CONST(0.169885858893394) },
+ { REAL_CONST(0.000022013611670), REAL_CONST(0.000088052431238), REAL_CONST(0.000350801943569), REAL_CONST(0.001386545598507), REAL_CONST(0.005294219125062), REAL_CONST(0.017921976745129), REAL_CONST(0.044394120573997), REAL_CONST(0.070389263331890), REAL_CONST(0.082462236285210), REAL_CONST(0.086156636476517), REAL_CONST(0.087132595479488), REAL_CONST(0.087379962205887), REAL_CONST(0.087442122399807) },
+ { REAL_CONST(0.000011006847672), REAL_CONST(0.000044026888645), REAL_CONST(0.000175411638338), REAL_CONST(0.000693439331371), REAL_CONST(0.002649537986144), REAL_CONST(0.008988817222416), REAL_CONST(0.022367812693119), REAL_CONST(0.035623874515295), REAL_CONST(0.041820213198662), REAL_CONST(0.043721374124289), REAL_CONST(0.044224001467228), REAL_CONST(0.044351425021887), REAL_CONST(0.044383447617292) },
+ { REAL_CONST(0.000005503434295), REAL_CONST(0.000022013611670), REAL_CONST(0.000087708482170), REAL_CONST(0.000346675369656), REAL_CONST(0.001325377263129), REAL_CONST(0.004501323681325), REAL_CONST(0.011227255687118), REAL_CONST(0.017921976745129), REAL_CONST(0.021061634644866), REAL_CONST(0.022026389837265), REAL_CONST(0.022281449288130), REAL_CONST(0.022346137091517), REAL_CONST(0.022362394258380) },
+ { REAL_CONST(0.000002751719876), REAL_CONST(0.000011006847672), REAL_CONST(0.000043854910473), REAL_CONST(0.000173348103999), REAL_CONST(0.000662840844598), REAL_CONST(0.002252417383716), REAL_CONST(0.005624548997730), REAL_CONST(0.008988817222416), REAL_CONST(0.010569252073765), REAL_CONST(0.011055230163038), REAL_CONST(0.011183738708496), REAL_CONST(0.011216334067285), REAL_CONST(0.011224525049329) },
+ { REAL_CONST(0.000001375860506), REAL_CONST(0.000005503434295), REAL_CONST(0.000022013611670), REAL_CONST(0.000086676649516), REAL_CONST(0.000331544462824), REAL_CONST(0.001126734190620), REAL_CONST(0.002815015614033), REAL_CONST(0.004501323681325), REAL_CONST(0.005294219125062), REAL_CONST(0.005538204684854), REAL_CONST(0.005602621007711), REAL_CONST(0.005619067233056), REAL_CONST(0.005623178556561) },
+ { REAL_CONST(0.000000687930424), REAL_CONST(0.000002751719876), REAL_CONST(0.000011006847672), REAL_CONST(0.000043338975956), REAL_CONST(0.000165781748365), REAL_CONST(0.000563477107789), REAL_CONST(0.001408194424585), REAL_CONST(0.002252417383716), REAL_CONST(0.002649537986144), REAL_CONST(0.002771759871393), REAL_CONST(0.002804030198604), REAL_CONST(0.002812269143760), REAL_CONST(0.002814328996465) },
+ { REAL_CONST(0.000000343965269), REAL_CONST(0.000001375860506), REAL_CONST(0.000005503434295), REAL_CONST(0.000021669651687), REAL_CONST(0.000082893253420), REAL_CONST(0.000281680084299), REAL_CONST(0.000704268983100), REAL_CONST(0.001126734190620), REAL_CONST(0.001325377263129), REAL_CONST(0.001386545598507), REAL_CONST(0.001402696361765), REAL_CONST(0.001406819908880), REAL_CONST(0.001407850766554) },
+ { REAL_CONST(0.000000171982634), REAL_CONST(0.000000687930424), REAL_CONST(0.000002751719876), REAL_CONST(0.000010834866771), REAL_CONST(0.000041447223339), REAL_CONST(0.000140846910654), REAL_CONST(0.000352177477907), REAL_CONST(0.000563477107789), REAL_CONST(0.000662840844598), REAL_CONST(0.000693439331371), REAL_CONST(0.000701518612914), REAL_CONST(0.000703581434209), REAL_CONST(0.000704097095877) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000343965269), REAL_CONST(0.000001375860506), REAL_CONST(0.000005503434295), REAL_CONST(0.000020637769921), REAL_CONST(0.000070511166996), REAL_CONST(0.000176099492819), REAL_CONST(0.000281680084299), REAL_CONST(0.000331544462824), REAL_CONST(0.000346675369656), REAL_CONST(0.000350801943569), REAL_CONST(0.000351833587047), REAL_CONST(0.000352177477907) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000687930424), REAL_CONST(0.000002751719876), REAL_CONST(0.000010318922250), REAL_CONST(0.000035256012779), REAL_CONST(0.000088052431238), REAL_CONST(0.000140846910654), REAL_CONST(0.000165781748365), REAL_CONST(0.000173348103999), REAL_CONST(0.000175411638338), REAL_CONST(0.000175927518285), REAL_CONST(0.000176099492819) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000343965269), REAL_CONST(0.000001375860506), REAL_CONST(0.000005159470220), REAL_CONST(0.000017542124624), REAL_CONST(0.000044026888645), REAL_CONST(0.000070511166996), REAL_CONST(0.000082893253420), REAL_CONST(0.000086676649516), REAL_CONST(0.000087708482170), REAL_CONST(0.000088052431238), REAL_CONST(0.000088052431238) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000687930424), REAL_CONST(0.000002579737384), REAL_CONST(0.000008771088687), REAL_CONST(0.000022013611670), REAL_CONST(0.000035256012779), REAL_CONST(0.000041447223339), REAL_CONST(0.000043338975956), REAL_CONST(0.000043854910473), REAL_CONST(0.000044026888645), REAL_CONST(0.000044026888645) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000343965269), REAL_CONST(0.000001375860506), REAL_CONST(0.000004471542070), REAL_CONST(0.000011006847672), REAL_CONST(0.000017542124624), REAL_CONST(0.000020637769921), REAL_CONST(0.000021669651687), REAL_CONST(0.000022013611670), REAL_CONST(0.000022013611670), REAL_CONST(0.000022013611670) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000687930424), REAL_CONST(0.000002235772627), REAL_CONST(0.000005503434295), REAL_CONST(0.000008771088687), REAL_CONST(0.000010318922250), REAL_CONST(0.000010834866771), REAL_CONST(0.000011006847672), REAL_CONST(0.000011006847672), REAL_CONST(0.000011006847672) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000343965269), REAL_CONST(0.000001031895522), REAL_CONST(0.000002751719876), REAL_CONST(0.000004471542070), REAL_CONST(0.000005159470220), REAL_CONST(0.000005503434295), REAL_CONST(0.000005503434295), REAL_CONST(0.000005503434295), REAL_CONST(0.000005503434295) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000515947875), REAL_CONST(0.000001375860506), REAL_CONST(0.000002235772627), REAL_CONST(0.000002579737384), REAL_CONST(0.000002751719876), REAL_CONST(0.000002751719876), REAL_CONST(0.000002751719876), REAL_CONST(0.000002751719876) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000343965269), REAL_CONST(0.000000687930424), REAL_CONST(0.000001031895522), REAL_CONST(0.000001375860506), REAL_CONST(0.000001375860506), REAL_CONST(0.000001375860506), REAL_CONST(0.000001375860506), REAL_CONST(0.000001375860506) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000343965269), REAL_CONST(0.000000515947875), REAL_CONST(0.000000687930424), REAL_CONST(0.000000687930424), REAL_CONST(0.000000687930424), REAL_CONST(0.000000687930424), REAL_CONST(0.000000687930424) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000343965269), REAL_CONST(0.000000343965269), REAL_CONST(0.000000343965269), REAL_CONST(0.000000343965269), REAL_CONST(0.000000343965269), REAL_CONST(0.000000343965269) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000171982634), REAL_CONST(0.000000171982634), REAL_CONST(0.000000171982634), REAL_CONST(0.000000171982634), REAL_CONST(0.000000171982634) }
+};
+
+static const real_t log_Qplus1[31] = {
+ REAL_CONST(6.022367813028454), REAL_CONST(5.044394119358453), REAL_CONST(4.087462841250339),
+ REAL_CONST(3.169925001442313), REAL_CONST(2.321928094887362), REAL_CONST(1.584962500721156),
+ REAL_CONST(1.000000000000000), REAL_CONST(0.584962500721156), REAL_CONST(0.321928094887362),
+ REAL_CONST(0.169925001442312), REAL_CONST(0.087462841250339), REAL_CONST(0.044394119358453),
+ REAL_CONST(0.022367813028455), REAL_CONST(0.011227255423254), REAL_CONST(0.005624549193878),
+ REAL_CONST(0.002815015607054), REAL_CONST(0.001408194392808), REAL_CONST(0.000704269011247),
+ REAL_CONST(0.000352177480301), REAL_CONST(0.000176099486443), REAL_CONST(0.000088052430122),
+ REAL_CONST(0.000044026886827), REAL_CONST(0.000022013611360), REAL_CONST(0.000011006847667),
+ REAL_CONST(0.000005503434331), REAL_CONST(0.000002751719790), REAL_CONST(0.000001375860551),
+ REAL_CONST(0.000000687930439), REAL_CONST(0.000000343965261), REAL_CONST(0.000000171982641),
+ REAL_CONST(0.000000000000000)
+};
+
+static real_t find_log2_Qplus1(sbr_info *sbr, uint8_t k, uint8_t l, uint8_t ch)
+{
+ /* check for coupled energy/noise data */
+ if (sbr->bs_coupling == 1)
+ {
+ if ((sbr->Q[0][k][l] >= 0) && (sbr->Q[0][k][l] <= 30) &&
+ (sbr->Q[1][k][l] >= 0) && (sbr->Q[1][k][l] <= 24))
+ {
+ if (ch == 0)
+ {
+ return log_Qplus1_pan[sbr->Q[0][k][l]][sbr->Q[1][k][l] >> 1];
+ } else {
+ return log_Qplus1_pan[sbr->Q[0][k][l]][12 - (sbr->Q[1][k][l] >> 1)];
+ }
+ } else {
+ return 0;
+ }
+ } else {
+ if (sbr->Q[ch][k][l] >= 0 && sbr->Q[ch][k][l] <= 30)
+ {
+ return log_Qplus1[sbr->Q[ch][k][l]];
+ } else {
+ return 0;
+ }
+ }
+}
static void calculate_gain(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch)
{
- static real_t limGain[] = { 0.5, 1.0, 2.0, 1e10 };
- uint8_t m, l, k, i;
+ /* log2 values of limiter gains */
+ static real_t limGain[] = {
+ REAL_CONST(-1.0), REAL_CONST(0.0), REAL_CONST(1.0), REAL_CONST(33.219)
+ };
+ uint8_t m, l, k;
+
+ uint8_t current_t_noise_band = 0;
+ uint8_t S_mapped;
+
+ ALIGN real_t Q_M_lim[MAX_M];
+ ALIGN real_t G_lim[MAX_M];
+ ALIGN real_t G_boost;
+ ALIGN real_t S_M[MAX_M];
+
+
+ for (l = 0; l < sbr->L_E[ch]; l++)
+ {
+ uint8_t current_f_noise_band = 0;
+ uint8_t current_res_band = 0;
+ uint8_t current_res_band2 = 0;
+ uint8_t current_hi_res_band = 0;
+
+ real_t delta = (l == sbr->l_A[ch] || l == sbr->prevEnvIsShort[ch]) ? 0 : 1;
+
+ S_mapped = get_S_mapped(sbr, ch, l, current_res_band2);
+
+ if (sbr->t_E[ch][l+1] > sbr->t_Q[ch][current_t_noise_band+1])
+ {
+ current_t_noise_band++;
+ }
+
+ for (k = 0; k < sbr->N_L[sbr->bs_limiter_bands]; k++)
+ {
+ real_t Q_M = 0;
+ real_t G_max;
+ real_t den = 0;
+ real_t acc1 = 0;
+ real_t acc2 = 0;
+ uint8_t current_res_band_size = 0;
+ uint8_t Q_M_size = 0;
+
+ uint8_t ml1, ml2;
+
+ /* bounds of current limiter bands */
+ ml1 = sbr->f_table_lim[sbr->bs_limiter_bands][k];
+ ml2 = sbr->f_table_lim[sbr->bs_limiter_bands][k+1];
+
+
+ /* calculate the accumulated E_orig and E_curr over the limiter band */
+ for (m = ml1; m < ml2; m++)
+ {
+ if ((m + sbr->kx) < sbr->f_table_res[sbr->f[ch][l]][current_res_band+1])
+ {
+ current_res_band_size++;
+ } else {
+ acc1 += pow2_int(-REAL_CONST(10) + log2_int_tab[current_res_band_size] + find_log2_E(sbr, current_res_band, l, ch));
+
+ current_res_band++;
+ current_res_band_size = 1;
+ }
+
+ acc2 += sbr->E_curr[ch][m][l];
+ }
+ acc1 += pow2_int(-REAL_CONST(10) + log2_int_tab[current_res_band_size] + find_log2_E(sbr, current_res_band, l, ch));
+
+
+ if (acc1 == 0)
+ acc1 = LOG2_MIN_INF;
+ else
+ acc1 = log2_int(acc1);
+
+
+ /* calculate the maximum gain */
+ /* ratio of the energy of the original signal and the energy
+ * of the HF generated signal
+ */
+ G_max = acc1 - log2_int(acc2) + limGain[sbr->bs_limiter_gains];
+ G_max = min(G_max, limGain[3]);
+
+
+ for (m = ml1; m < ml2; m++)
+ {
+ real_t G;
+ real_t E_curr, E_orig;
+ real_t Q_orig, Q_orig_plus1;
+ uint8_t S_index_mapped;
+
+
+ /* check if m is on a noise band border */
+ if ((m + sbr->kx) == sbr->f_table_noise[current_f_noise_band+1])
+ {
+ /* step to next noise band */
+ current_f_noise_band++;
+ }
+
+
+ /* check if m is on a resolution band border */
+ if ((m + sbr->kx) == sbr->f_table_res[sbr->f[ch][l]][current_res_band2+1])
+ {
+ /* accumulate a whole range of equal Q_Ms */
+ if (Q_M_size > 0)
+ den += pow2_int(log2_int_tab[Q_M_size] + Q_M);
+ Q_M_size = 0;
+
+ /* step to next resolution band */
+ current_res_band2++;
+
+ /* if we move to a new resolution band, we should check if we are
+ * going to add a sinusoid in this band
+ */
+ S_mapped = get_S_mapped(sbr, ch, l, current_res_band2);
+ }
+
+
+ /* check if m is on a HI_RES band border */
+ if ((m + sbr->kx) == sbr->f_table_res[HI_RES][current_hi_res_band+1])
+ {
+ /* step to next HI_RES band */
+ current_hi_res_band++;
+ }
+
+
+ /* find S_index_mapped
+ * S_index_mapped can only be 1 for the m in the middle of the
+ * current HI_RES band
+ */
+ S_index_mapped = 0;
+ if ((l >= sbr->l_A[ch]) ||
+ (sbr->bs_add_harmonic_prev[ch][current_hi_res_band] && sbr->bs_add_harmonic_flag_prev[ch]))
+ {
+ /* find the middle subband of the HI_RES frequency band */
+ if ((m + sbr->kx) == (sbr->f_table_res[HI_RES][current_hi_res_band+1] + sbr->f_table_res[HI_RES][current_hi_res_band]) >> 1)
+ S_index_mapped = sbr->bs_add_harmonic[ch][current_hi_res_band];
+ }
+
+
+ /* find bitstream parameters */
+ if (sbr->E_curr[ch][m][l] == 0)
+ E_curr = LOG2_MIN_INF;
+ else
+ E_curr = log2_int(sbr->E_curr[ch][m][l]);
+ E_orig = -REAL_CONST(10) + find_log2_E(sbr, current_res_band2, l, ch);
+
+
+ Q_orig = find_log2_Q(sbr, current_f_noise_band, current_t_noise_band, ch);
+ Q_orig_plus1 = find_log2_Qplus1(sbr, current_f_noise_band, current_t_noise_band, ch);
+
+
+ /* Q_M only depends on E_orig and Q_div2:
+ * since N_Q <= N_Low <= N_High we only need to recalculate Q_M on
+ * a change of current res band (HI or LO)
+ */
+ Q_M = E_orig + Q_orig - Q_orig_plus1;
+
+
+ /* S_M only depends on E_orig, Q_div and S_index_mapped:
+ * S_index_mapped can only be non-zero once per HI_RES band
+ */
+ if (S_index_mapped == 0)
+ {
+ S_M[m] = LOG2_MIN_INF; /* -inf */
+ } else {
+ S_M[m] = E_orig - Q_orig_plus1;
+
+ /* accumulate sinusoid part of the total energy */
+ den += pow2_int(S_M[m]);
+ }
+
+
+ /* calculate gain */
+ /* ratio of the energy of the original signal and the energy
+ * of the HF generated signal
+ */
+ /* E_curr here is officially E_curr+1 so the log2() of that can never be < 0 */
+ /* scaled by -10 */
+ G = E_orig - max(-REAL_CONST(10), E_curr);
+ if ((S_mapped == 0) && (delta == 1))
+ {
+ /* G = G * 1/(1+Q) */
+ G -= Q_orig_plus1;
+ } else if (S_mapped == 1) {
+ /* G = G * Q/(1+Q) */
+ G += Q_orig - Q_orig_plus1;
+ }
+
+
+ /* limit the additional noise energy level */
+ /* and apply the limiter */
+ if (G_max > G)
+ {
+ Q_M_lim[m] = Q_M;
+ G_lim[m] = G;
+
+ if ((S_index_mapped == 0) && (l != sbr->l_A[ch]))
+ {
+ Q_M_size++;
+ }
+ } else {
+ /* G > G_max */
+ Q_M_lim[m] = Q_M + G_max - G;
+ G_lim[m] = G_max;
+
+ /* accumulate limited Q_M */
+ if ((S_index_mapped == 0) && (l != sbr->l_A[ch]))
+ {
+ den += pow2_int(Q_M_lim[m]);
+ }
+ }
+
+
+ /* accumulate the total energy */
+ /* E_curr changes for every m so we do need to accumulate every m */
+ den += pow2_int(E_curr + G_lim[m]);
+ }
+
+ /* accumulate last range of equal Q_Ms */
+ if (Q_M_size > 0)
+ {
+ den += pow2_int(log2_int_tab[Q_M_size] + Q_M);
+ }
+
+
+ /* calculate the final gain */
+ /* G_boost: [0..2.51188643] */
+ G_boost = acc1 - log2_int(den /*+ EPS*/);
+ G_boost = min(G_boost, REAL_CONST(1.328771237) /* log2(1.584893192 ^ 2) */);
+
+
+ for (m = ml1; m < ml2; m++)
+ {
+ /* apply compensation to gain, noise floor sf's and sinusoid levels */
+#ifndef SBR_LOW_POWER
+ adj->G_lim_boost[l][m] = pow2_fix((G_lim[m] + G_boost) >> 1);
+#else
+ /* sqrt() will be done after the aliasing reduction to save a
+ * few multiplies
+ */
+ adj->G_lim_boost[l][m] = pow2_fix(G_lim[m] + G_boost);
+#endif
+ adj->Q_M_lim_boost[l][m] = pow2_fix((Q_M_lim[m] + G_boost) >> 1);
+
+ if (S_M[m] != LOG2_MIN_INF)
+ {
+ adj->S_M_boost[l][m] = pow2_int((S_M[m] + G_boost) >> 1);
+ } else {
+ adj->S_M_boost[l][m] = 0;
+ }
+ }
+ }
+ }
+}
+
+#else
+
+//#define LOG2_TEST
+
+#ifdef LOG2_TEST
+
+#define LOG2_MIN_INF -100000
+
+__inline float pow2(float val)
+{
+ return pow(2.0, val);
+}
+__inline float log2(float val)
+{
+ return log(val)/log(2.0);
+}
+
+#define RB 14
+
+float QUANTISE2REAL(float val)
+{
+ __int32 ival = (__int32)(val * (1<<RB));
+ return (float)ival / (float)((1<<RB));
+}
+
+float QUANTISE2INT(float val)
+{
+ return floor(val);
+}
+
+/* log2 values of [0..63] */
+static const real_t log2_int_tab[] = {
+ LOG2_MIN_INF, 0.000000000000000, 1.000000000000000, 1.584962500721156,
+ 2.000000000000000, 2.321928094887362, 2.584962500721156, 2.807354922057604,
+ 3.000000000000000, 3.169925001442313, 3.321928094887363, 3.459431618637297,
+ 3.584962500721156, 3.700439718141092, 3.807354922057604, 3.906890595608519,
+ 4.000000000000000, 4.087462841250339, 4.169925001442312, 4.247927513443585,
+ 4.321928094887362, 4.392317422778761, 4.459431618637297, 4.523561956057013,
+ 4.584962500721156, 4.643856189774724, 4.700439718141093, 4.754887502163468,
+ 4.807354922057604, 4.857980995127572, 4.906890595608519, 4.954196310386875,
+ 5.000000000000000, 5.044394119358453, 5.087462841250340, 5.129283016944966,
+ 5.169925001442312, 5.209453365628949, 5.247927513443585, 5.285402218862248,
+ 5.321928094887363, 5.357552004618084, 5.392317422778761, 5.426264754702098,
+ 5.459431618637297, 5.491853096329675, 5.523561956057013, 5.554588851677637,
+ 5.584962500721156, 5.614709844115208, 5.643856189774724, 5.672425341971495,
+ 5.700439718141093, 5.727920454563200, 5.754887502163469, 5.781359713524660,
+ 5.807354922057605, 5.832890014164742, 5.857980995127572, 5.882643049361842,
+ 5.906890595608518, 5.930737337562887, 5.954196310386876, 5.977279923499916
+};
+
+static const real_t pan_log2_tab[] = {
+ 1.000000000000000, 0.584962500721156, 0.321928094887362, 0.169925001442312, 0.087462841250339,
+ 0.044394119358453, 0.022367813028455, 0.011227255423254, 0.005624549193878, 0.002815015607054,
+ 0.001408194392808, 0.000704269011247, 0.000352177480301, 0.000176099486443, 0.000088052430122,
+ 0.000044026886827, 0.000022013611360, 0.000011006847667
+};
+
+static real_t find_log2_E(sbr_info *sbr, uint8_t k, uint8_t l, uint8_t ch)
+{
+ /* check for coupled energy/noise data */
+ if (sbr->bs_coupling == 1)
+ {
+ real_t amp0 = (sbr->amp_res[0]) ? 1.0 : 0.5;
+ real_t amp1 = (sbr->amp_res[1]) ? 1.0 : 0.5;
+ float tmp = QUANTISE2REAL(7.0 + (real_t)sbr->E[0][k][l] * amp0);
+ float pan;
+
+ int E = (int)(sbr->E[1][k][l] * amp1);
+
+ if (ch == 0)
+ {
+ if (E > 12)
+ {
+ /* negative */
+ pan = QUANTISE2REAL(pan_log2_tab[-12 + E]);
+ } else {
+ /* positive */
+ pan = QUANTISE2REAL(pan_log2_tab[12 - E] + (12 - E));
+ }
+ } else {
+ if (E < 12)
+ {
+ /* negative */
+ pan = QUANTISE2REAL(pan_log2_tab[-E + 12]);
+ } else {
+ /* positive */
+ pan = QUANTISE2REAL(pan_log2_tab[E - 12] + (E - 12));
+ }
+ }
+
+ /* tmp / pan in log2 */
+ return QUANTISE2REAL(tmp - pan);
+ } else {
+ real_t amp = (sbr->amp_res[ch]) ? 1.0 : 0.5;
+
+ return QUANTISE2REAL(6.0 + (real_t)sbr->E[ch][k][l] * amp);
+ }
+}
+
+static real_t find_log2_Q(sbr_info *sbr, uint8_t k, uint8_t l, uint8_t ch)
+{
+ /* check for coupled energy/noise data */
+ if (sbr->bs_coupling == 1)
+ {
+ float tmp = QUANTISE2REAL(7.0 - (real_t)sbr->Q[0][k][l]);
+ float pan;
+
+ int Q = (int)(sbr->Q[1][k][l]);
+
+ if (ch == 0)
+ {
+ if (Q > 12)
+ {
+ /* negative */
+ pan = QUANTISE2REAL(pan_log2_tab[-12 + Q]);
+ } else {
+ /* positive */
+ pan = QUANTISE2REAL(pan_log2_tab[12 - Q] + (12 - Q));
+ }
+ } else {
+ if (Q < 12)
+ {
+ /* negative */
+ pan = QUANTISE2REAL(pan_log2_tab[-Q + 12]);
+ } else {
+ /* positive */
+ pan = QUANTISE2REAL(pan_log2_tab[Q - 12] + (Q - 12));
+ }
+ }
+
+ /* tmp / pan in log2 */
+ return QUANTISE2REAL(tmp - pan);
+ } else {
+ return QUANTISE2REAL(6.0 - (real_t)sbr->Q[ch][k][l]);
+ }
+}
+
+static const real_t log_Qplus1_pan[31][13] = {
+ { REAL_CONST(0.044383447617292), REAL_CONST(0.169768601655960), REAL_CONST(0.583090126514435), REAL_CONST(1.570089221000671), REAL_CONST(3.092446088790894), REAL_CONST(4.733354568481445), REAL_CONST(6.022367954254150), REAL_CONST(6.692092418670654), REAL_CONST(6.924463272094727), REAL_CONST(6.989034175872803), REAL_CONST(7.005646705627441), REAL_CONST(7.009829998016357), REAL_CONST(7.010877609252930) },
+ { REAL_CONST(0.022362394258380), REAL_CONST(0.087379962205887), REAL_CONST(0.320804953575134), REAL_CONST(0.988859415054321), REAL_CONST(2.252387046813965), REAL_CONST(3.786596298217773), REAL_CONST(5.044394016265869), REAL_CONST(5.705977916717529), REAL_CONST(5.936291694641113), REAL_CONST(6.000346660614014), REAL_CONST(6.016829967498779), REAL_CONST(6.020981311798096), REAL_CONST(6.022020816802979) },
+ { REAL_CONST(0.011224525049329), REAL_CONST(0.044351425021887), REAL_CONST(0.169301137328148), REAL_CONST(0.577544987201691), REAL_CONST(1.527246952056885), REAL_CONST(2.887525320053101), REAL_CONST(4.087462902069092), REAL_CONST(4.733354568481445), REAL_CONST(4.959661006927490), REAL_CONST(5.022709369659424), REAL_CONST(5.038940429687500), REAL_CONST(5.043028831481934), REAL_CONST(5.044052600860596) },
+ { REAL_CONST(0.005623178556561), REAL_CONST(0.022346137091517), REAL_CONST(0.087132595479488), REAL_CONST(0.317482173442841), REAL_CONST(0.956931233406067), REAL_CONST(2.070389270782471), REAL_CONST(3.169924974441528), REAL_CONST(3.786596298217773), REAL_CONST(4.005294322967529), REAL_CONST(4.066420555114746), REAL_CONST(4.082170009613037), REAL_CONST(4.086137294769287), REAL_CONST(4.087131500244141) },
+ { REAL_CONST(0.002814328996465), REAL_CONST(0.011216334067285), REAL_CONST(0.044224001467228), REAL_CONST(0.167456731200218), REAL_CONST(0.556393325328827), REAL_CONST(1.378511548042297), REAL_CONST(2.321928024291992), REAL_CONST(2.887525320053101), REAL_CONST(3.092446088790894), REAL_CONST(3.150059700012207), REAL_CONST(3.164926528930664), REAL_CONST(3.168673276901245), REAL_CONST(3.169611930847168) },
+ { REAL_CONST(0.001407850766554), REAL_CONST(0.005619067233056), REAL_CONST(0.022281449288130), REAL_CONST(0.086156636476517), REAL_CONST(0.304854571819305), REAL_CONST(0.847996890544891), REAL_CONST(1.584962487220764), REAL_CONST(2.070389270782471), REAL_CONST(2.252387046813965), REAL_CONST(2.304061651229858), REAL_CONST(2.317430257797241), REAL_CONST(2.320801734924316), REAL_CONST(2.321646213531494) },
+ { REAL_CONST(0.000704097095877), REAL_CONST(0.002812269143760), REAL_CONST(0.011183738708496), REAL_CONST(0.043721374124289), REAL_CONST(0.160464659333229), REAL_CONST(0.485426813364029), REAL_CONST(1.000000000000000), REAL_CONST(1.378511548042297), REAL_CONST(1.527246952056885), REAL_CONST(1.570089221000671), REAL_CONST(1.581215262413025), REAL_CONST(1.584023833274841), REAL_CONST(1.584727644920349) },
+ { REAL_CONST(0.000352177477907), REAL_CONST(0.001406819908880), REAL_CONST(0.005602621007711), REAL_CONST(0.022026389837265), REAL_CONST(0.082462236285210), REAL_CONST(0.263034462928772), REAL_CONST(0.584962487220764), REAL_CONST(0.847996890544891), REAL_CONST(0.956931233406067), REAL_CONST(0.988859415054321), REAL_CONST(0.997190535068512), REAL_CONST(0.999296069145203), REAL_CONST(0.999823868274689) },
+ { REAL_CONST(0.000176099492819), REAL_CONST(0.000703581434209), REAL_CONST(0.002804030198604), REAL_CONST(0.011055230163038), REAL_CONST(0.041820213198662), REAL_CONST(0.137503549456596), REAL_CONST(0.321928083896637), REAL_CONST(0.485426813364029), REAL_CONST(0.556393325328827), REAL_CONST(0.577544987201691), REAL_CONST(0.583090126514435), REAL_CONST(0.584493279457092), REAL_CONST(0.584845066070557) },
+ { REAL_CONST(0.000088052431238), REAL_CONST(0.000351833587047), REAL_CONST(0.001402696361765), REAL_CONST(0.005538204684854), REAL_CONST(0.021061634644866), REAL_CONST(0.070389263331890), REAL_CONST(0.169925004243851), REAL_CONST(0.263034462928772), REAL_CONST(0.304854571819305), REAL_CONST(0.317482173442841), REAL_CONST(0.320804953575134), REAL_CONST(0.321646571159363), REAL_CONST(0.321857661008835) },
+ { REAL_CONST(0.000044026888645), REAL_CONST(0.000175927518285), REAL_CONST(0.000701518612914), REAL_CONST(0.002771759871393), REAL_CONST(0.010569252073765), REAL_CONST(0.035623874515295), REAL_CONST(0.087462842464447), REAL_CONST(0.137503549456596), REAL_CONST(0.160464659333229), REAL_CONST(0.167456731200218), REAL_CONST(0.169301137328148), REAL_CONST(0.169768601655960), REAL_CONST(0.169885858893394) },
+ { REAL_CONST(0.000022013611670), REAL_CONST(0.000088052431238), REAL_CONST(0.000350801943569), REAL_CONST(0.001386545598507), REAL_CONST(0.005294219125062), REAL_CONST(0.017921976745129), REAL_CONST(0.044394120573997), REAL_CONST(0.070389263331890), REAL_CONST(0.082462236285210), REAL_CONST(0.086156636476517), REAL_CONST(0.087132595479488), REAL_CONST(0.087379962205887), REAL_CONST(0.087442122399807) },
+ { REAL_CONST(0.000011006847672), REAL_CONST(0.000044026888645), REAL_CONST(0.000175411638338), REAL_CONST(0.000693439331371), REAL_CONST(0.002649537986144), REAL_CONST(0.008988817222416), REAL_CONST(0.022367812693119), REAL_CONST(0.035623874515295), REAL_CONST(0.041820213198662), REAL_CONST(0.043721374124289), REAL_CONST(0.044224001467228), REAL_CONST(0.044351425021887), REAL_CONST(0.044383447617292) },
+ { REAL_CONST(0.000005503434295), REAL_CONST(0.000022013611670), REAL_CONST(0.000087708482170), REAL_CONST(0.000346675369656), REAL_CONST(0.001325377263129), REAL_CONST(0.004501323681325), REAL_CONST(0.011227255687118), REAL_CONST(0.017921976745129), REAL_CONST(0.021061634644866), REAL_CONST(0.022026389837265), REAL_CONST(0.022281449288130), REAL_CONST(0.022346137091517), REAL_CONST(0.022362394258380) },
+ { REAL_CONST(0.000002751719876), REAL_CONST(0.000011006847672), REAL_CONST(0.000043854910473), REAL_CONST(0.000173348103999), REAL_CONST(0.000662840844598), REAL_CONST(0.002252417383716), REAL_CONST(0.005624548997730), REAL_CONST(0.008988817222416), REAL_CONST(0.010569252073765), REAL_CONST(0.011055230163038), REAL_CONST(0.011183738708496), REAL_CONST(0.011216334067285), REAL_CONST(0.011224525049329) },
+ { REAL_CONST(0.000001375860506), REAL_CONST(0.000005503434295), REAL_CONST(0.000022013611670), REAL_CONST(0.000086676649516), REAL_CONST(0.000331544462824), REAL_CONST(0.001126734190620), REAL_CONST(0.002815015614033), REAL_CONST(0.004501323681325), REAL_CONST(0.005294219125062), REAL_CONST(0.005538204684854), REAL_CONST(0.005602621007711), REAL_CONST(0.005619067233056), REAL_CONST(0.005623178556561) },
+ { REAL_CONST(0.000000687930424), REAL_CONST(0.000002751719876), REAL_CONST(0.000011006847672), REAL_CONST(0.000043338975956), REAL_CONST(0.000165781748365), REAL_CONST(0.000563477107789), REAL_CONST(0.001408194424585), REAL_CONST(0.002252417383716), REAL_CONST(0.002649537986144), REAL_CONST(0.002771759871393), REAL_CONST(0.002804030198604), REAL_CONST(0.002812269143760), REAL_CONST(0.002814328996465) },
+ { REAL_CONST(0.000000343965269), REAL_CONST(0.000001375860506), REAL_CONST(0.000005503434295), REAL_CONST(0.000021669651687), REAL_CONST(0.000082893253420), REAL_CONST(0.000281680084299), REAL_CONST(0.000704268983100), REAL_CONST(0.001126734190620), REAL_CONST(0.001325377263129), REAL_CONST(0.001386545598507), REAL_CONST(0.001402696361765), REAL_CONST(0.001406819908880), REAL_CONST(0.001407850766554) },
+ { REAL_CONST(0.000000171982634), REAL_CONST(0.000000687930424), REAL_CONST(0.000002751719876), REAL_CONST(0.000010834866771), REAL_CONST(0.000041447223339), REAL_CONST(0.000140846910654), REAL_CONST(0.000352177477907), REAL_CONST(0.000563477107789), REAL_CONST(0.000662840844598), REAL_CONST(0.000693439331371), REAL_CONST(0.000701518612914), REAL_CONST(0.000703581434209), REAL_CONST(0.000704097095877) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000343965269), REAL_CONST(0.000001375860506), REAL_CONST(0.000005503434295), REAL_CONST(0.000020637769921), REAL_CONST(0.000070511166996), REAL_CONST(0.000176099492819), REAL_CONST(0.000281680084299), REAL_CONST(0.000331544462824), REAL_CONST(0.000346675369656), REAL_CONST(0.000350801943569), REAL_CONST(0.000351833587047), REAL_CONST(0.000352177477907) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000687930424), REAL_CONST(0.000002751719876), REAL_CONST(0.000010318922250), REAL_CONST(0.000035256012779), REAL_CONST(0.000088052431238), REAL_CONST(0.000140846910654), REAL_CONST(0.000165781748365), REAL_CONST(0.000173348103999), REAL_CONST(0.000175411638338), REAL_CONST(0.000175927518285), REAL_CONST(0.000176099492819) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000343965269), REAL_CONST(0.000001375860506), REAL_CONST(0.000005159470220), REAL_CONST(0.000017542124624), REAL_CONST(0.000044026888645), REAL_CONST(0.000070511166996), REAL_CONST(0.000082893253420), REAL_CONST(0.000086676649516), REAL_CONST(0.000087708482170), REAL_CONST(0.000088052431238), REAL_CONST(0.000088052431238) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000687930424), REAL_CONST(0.000002579737384), REAL_CONST(0.000008771088687), REAL_CONST(0.000022013611670), REAL_CONST(0.000035256012779), REAL_CONST(0.000041447223339), REAL_CONST(0.000043338975956), REAL_CONST(0.000043854910473), REAL_CONST(0.000044026888645), REAL_CONST(0.000044026888645) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000343965269), REAL_CONST(0.000001375860506), REAL_CONST(0.000004471542070), REAL_CONST(0.000011006847672), REAL_CONST(0.000017542124624), REAL_CONST(0.000020637769921), REAL_CONST(0.000021669651687), REAL_CONST(0.000022013611670), REAL_CONST(0.000022013611670), REAL_CONST(0.000022013611670) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000687930424), REAL_CONST(0.000002235772627), REAL_CONST(0.000005503434295), REAL_CONST(0.000008771088687), REAL_CONST(0.000010318922250), REAL_CONST(0.000010834866771), REAL_CONST(0.000011006847672), REAL_CONST(0.000011006847672), REAL_CONST(0.000011006847672) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000343965269), REAL_CONST(0.000001031895522), REAL_CONST(0.000002751719876), REAL_CONST(0.000004471542070), REAL_CONST(0.000005159470220), REAL_CONST(0.000005503434295), REAL_CONST(0.000005503434295), REAL_CONST(0.000005503434295), REAL_CONST(0.000005503434295) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000515947875), REAL_CONST(0.000001375860506), REAL_CONST(0.000002235772627), REAL_CONST(0.000002579737384), REAL_CONST(0.000002751719876), REAL_CONST(0.000002751719876), REAL_CONST(0.000002751719876), REAL_CONST(0.000002751719876) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000343965269), REAL_CONST(0.000000687930424), REAL_CONST(0.000001031895522), REAL_CONST(0.000001375860506), REAL_CONST(0.000001375860506), REAL_CONST(0.000001375860506), REAL_CONST(0.000001375860506), REAL_CONST(0.000001375860506) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000343965269), REAL_CONST(0.000000515947875), REAL_CONST(0.000000687930424), REAL_CONST(0.000000687930424), REAL_CONST(0.000000687930424), REAL_CONST(0.000000687930424), REAL_CONST(0.000000687930424) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000343965269), REAL_CONST(0.000000343965269), REAL_CONST(0.000000343965269), REAL_CONST(0.000000343965269), REAL_CONST(0.000000343965269), REAL_CONST(0.000000343965269) },
+ { REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000000000000), REAL_CONST(0.000000171982634), REAL_CONST(0.000000171982634), REAL_CONST(0.000000171982634), REAL_CONST(0.000000171982634), REAL_CONST(0.000000171982634), REAL_CONST(0.000000171982634) }
+};
+
+static const real_t log_Qplus1[31] = {
+ REAL_CONST(6.022367813028454), REAL_CONST(5.044394119358453), REAL_CONST(4.087462841250339),
+ REAL_CONST(3.169925001442313), REAL_CONST(2.321928094887362), REAL_CONST(1.584962500721156),
+ REAL_CONST(1.000000000000000), REAL_CONST(0.584962500721156), REAL_CONST(0.321928094887362),
+ REAL_CONST(0.169925001442312), REAL_CONST(0.087462841250339), REAL_CONST(0.044394119358453),
+ REAL_CONST(0.022367813028455), REAL_CONST(0.011227255423254), REAL_CONST(0.005624549193878),
+ REAL_CONST(0.002815015607054), REAL_CONST(0.001408194392808), REAL_CONST(0.000704269011247),
+ REAL_CONST(0.000352177480301), REAL_CONST(0.000176099486443), REAL_CONST(0.000088052430122),
+ REAL_CONST(0.000044026886827), REAL_CONST(0.000022013611360), REAL_CONST(0.000011006847667),
+ REAL_CONST(0.000005503434331), REAL_CONST(0.000002751719790), REAL_CONST(0.000001375860551),
+ REAL_CONST(0.000000687930439), REAL_CONST(0.000000343965261), REAL_CONST(0.000000171982641),
+ REAL_CONST(0.000000000000000)
+};
+
+static real_t find_log2_Qplus1(sbr_info *sbr, uint8_t k, uint8_t l, uint8_t ch)
+{
+ /* check for coupled energy/noise data */
+ if (sbr->bs_coupling == 1)
+ {
+ if ((sbr->Q[0][k][l] >= 0) && (sbr->Q[0][k][l] <= 30) &&
+ (sbr->Q[1][k][l] >= 0) && (sbr->Q[1][k][l] <= 24))
+ {
+ if (ch == 0)
+ {
+ return QUANTISE2REAL(log_Qplus1_pan[sbr->Q[0][k][l]][sbr->Q[1][k][l] >> 1]);
+ } else {
+ return QUANTISE2REAL(log_Qplus1_pan[sbr->Q[0][k][l]][12 - (sbr->Q[1][k][l] >> 1)]);
+ }
+ } else {
+ return 0;
+ }
+ } else {
+ if (sbr->Q[ch][k][l] >= 0 && sbr->Q[ch][k][l] <= 30)
+ {
+ return QUANTISE2REAL(log_Qplus1[sbr->Q[ch][k][l]]);
+ } else {
+ return 0;
+ }
+ }
+}
+
+static void calculate_gain(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch)
+{
+ /* log2 values of limiter gains */
+ static real_t limGain[] = { -1.0, 0.0, 1.0, 33.219 };
+ uint8_t m, l, k;
+
+ uint8_t current_t_noise_band = 0;
+ uint8_t S_mapped;
- ALIGN real_t Q_M_lim[64];
- ALIGN real_t G_lim[64];
+ ALIGN real_t Q_M_lim[MAX_M];
+ ALIGN real_t G_lim[MAX_M];
ALIGN real_t G_boost;
- ALIGN real_t S_M[64];
- ALIGN uint8_t table_map_res_to_m[64];
+ ALIGN real_t S_M[MAX_M];
for (l = 0; l < sbr->L_E[ch]; l++)
{
+ uint8_t current_f_noise_band = 0;
+ uint8_t current_res_band = 0;
+ uint8_t current_res_band2 = 0;
+ uint8_t current_hi_res_band = 0;
+
real_t delta = (l == sbr->l_A[ch] || l == sbr->prevEnvIsShort[ch]) ? 0 : 1;
- for (i = 0; i < sbr->n[sbr->f[ch][l]]; i++)
+ S_mapped = get_S_mapped(sbr, ch, l, current_res_band2);
+
+ if (sbr->t_E[ch][l+1] > sbr->t_Q[ch][current_t_noise_band+1])
{
- for (m = sbr->f_table_res[sbr->f[ch][l]][i]; m < sbr->f_table_res[sbr->f[ch][l]][i+1]; m++)
+ current_t_noise_band++;
+ }
+
+ for (k = 0; k < sbr->N_L[sbr->bs_limiter_bands]; k++)
+ {
+ real_t Q_M = 0;
+ real_t G_max;
+ real_t den = 0;
+ real_t acc1 = 0;
+ real_t acc2 = 0;
+ uint8_t current_res_band_size = 0;
+ uint8_t Q_M_size = 0;
+
+ uint8_t ml1, ml2;
+
+ /* bounds of current limiter bands */
+ ml1 = sbr->f_table_lim[sbr->bs_limiter_bands][k];
+ ml2 = sbr->f_table_lim[sbr->bs_limiter_bands][k+1];
+
+
+ /* calculate the accumulated E_orig and E_curr over the limiter band */
+ for (m = ml1; m < ml2; m++)
{
- table_map_res_to_m[m - sbr->kx] = i;
+ if ((m + sbr->kx) < sbr->f_table_res[sbr->f[ch][l]][current_res_band+1])
+ {
+ current_res_band_size++;
+ } else {
+ acc1 += QUANTISE2INT(pow2(-10 + log2_int_tab[current_res_band_size] + find_log2_E(sbr, current_res_band, l, ch)));
+
+ current_res_band++;
+ current_res_band_size = 1;
+ }
+
+ acc2 += QUANTISE2INT(sbr->E_curr[ch][m][l]/1024.0);
+ }
+ acc1 += QUANTISE2INT(pow2(-10 + log2_int_tab[current_res_band_size] + find_log2_E(sbr, current_res_band, l, ch)));
+
+ acc1 = QUANTISE2REAL( log2(EPS + acc1) );
+
+
+ /* calculate the maximum gain */
+ /* ratio of the energy of the original signal and the energy
+ * of the HF generated signal
+ */
+ G_max = acc1 - QUANTISE2REAL(log2(EPS + acc2)) + QUANTISE2REAL(limGain[sbr->bs_limiter_gains]);
+ G_max = min(G_max, QUANTISE2REAL(limGain[3]));
+
+
+ for (m = ml1; m < ml2; m++)
+ {
+ real_t G;
+ real_t E_curr, E_orig;
+ real_t Q_orig, Q_orig_plus1;
+ uint8_t S_index_mapped;
+
+
+ /* check if m is on a noise band border */
+ if ((m + sbr->kx) == sbr->f_table_noise[current_f_noise_band+1])
+ {
+ /* step to next noise band */
+ current_f_noise_band++;
+ }
+
+
+ /* check if m is on a resolution band border */
+ if ((m + sbr->kx) == sbr->f_table_res[sbr->f[ch][l]][current_res_band2+1])
+ {
+ /* accumulate a whole range of equal Q_Ms */
+ if (Q_M_size > 0)
+ den += QUANTISE2INT(pow2(log2_int_tab[Q_M_size] + Q_M));
+ Q_M_size = 0;
+
+ /* step to next resolution band */
+ current_res_band2++;
+
+ /* if we move to a new resolution band, we should check if we are
+ * going to add a sinusoid in this band
+ */
+ S_mapped = get_S_mapped(sbr, ch, l, current_res_band2);
+ }
+
+
+ /* check if m is on a HI_RES band border */
+ if ((m + sbr->kx) == sbr->f_table_res[HI_RES][current_hi_res_band+1])
+ {
+ /* step to next HI_RES band */
+ current_hi_res_band++;
+ }
+
+
+ /* find S_index_mapped
+ * S_index_mapped can only be 1 for the m in the middle of the
+ * current HI_RES band
+ */
+ S_index_mapped = 0;
+ if ((l >= sbr->l_A[ch]) ||
+ (sbr->bs_add_harmonic_prev[ch][current_hi_res_band] && sbr->bs_add_harmonic_flag_prev[ch]))
+ {
+ /* find the middle subband of the HI_RES frequency band */
+ if ((m + sbr->kx) == (sbr->f_table_res[HI_RES][current_hi_res_band+1] + sbr->f_table_res[HI_RES][current_hi_res_band]) >> 1)
+ S_index_mapped = sbr->bs_add_harmonic[ch][current_hi_res_band];
+ }
+
+
+ /* find bitstream parameters */
+ if (sbr->E_curr[ch][m][l] == 0)
+ E_curr = LOG2_MIN_INF;
+ else
+ E_curr = -10 + log2(sbr->E_curr[ch][m][l]);
+ E_orig = -10 + find_log2_E(sbr, current_res_band2, l, ch);
+
+ Q_orig = find_log2_Q(sbr, current_f_noise_band, current_t_noise_band, ch);
+ Q_orig_plus1 = find_log2_Qplus1(sbr, current_f_noise_band, current_t_noise_band, ch);
+
+
+ /* Q_M only depends on E_orig and Q_div2:
+ * since N_Q <= N_Low <= N_High we only need to recalculate Q_M on
+ * a change of current res band (HI or LO)
+ */
+ Q_M = E_orig + Q_orig - Q_orig_plus1;
+
+
+ /* S_M only depends on E_orig, Q_div and S_index_mapped:
+ * S_index_mapped can only be non-zero once per HI_RES band
+ */
+ if (S_index_mapped == 0)
+ {
+ S_M[m] = LOG2_MIN_INF; /* -inf */
+ } else {
+ S_M[m] = E_orig - Q_orig_plus1;
+
+ /* accumulate sinusoid part of the total energy */
+ den += pow2(S_M[m]);
+ }
+
+
+ /* calculate gain */
+ /* ratio of the energy of the original signal and the energy
+ * of the HF generated signal
+ */
+ /* E_curr here is officially E_curr+1 so the log2() of that can never be < 0 */
+ /* scaled by -10 */
+ G = E_orig - max(-10, E_curr);
+ if ((S_mapped == 0) && (delta == 1))
+ {
+ /* G = G * 1/(1+Q) */
+ G -= Q_orig_plus1;
+ } else if (S_mapped == 1) {
+ /* G = G * Q/(1+Q) */
+ G += Q_orig - Q_orig_plus1;
+ }
+
+
+ /* limit the additional noise energy level */
+ /* and apply the limiter */
+ if (G_max > G)
+ {
+ Q_M_lim[m] = QUANTISE2REAL(Q_M);
+ G_lim[m] = QUANTISE2REAL(G);
+
+ if ((S_index_mapped == 0) && (l != sbr->l_A[ch]))
+ {
+ Q_M_size++;
+ }
+ } else {
+ /* G > G_max */
+ Q_M_lim[m] = QUANTISE2REAL(Q_M) + G_max - QUANTISE2REAL(G);
+ G_lim[m] = G_max;
+
+ /* accumulate limited Q_M */
+ if ((S_index_mapped == 0) && (l != sbr->l_A[ch]))
+ {
+ den += QUANTISE2INT(pow2(Q_M_lim[m]));
+ }
+ }
+
+
+ /* accumulate the total energy */
+ /* E_curr changes for every m so we do need to accumulate every m */
+ den += QUANTISE2INT(pow2(E_curr + G_lim[m]));
+ }
+
+ /* accumulate last range of equal Q_Ms */
+ if (Q_M_size > 0)
+ {
+ den += QUANTISE2INT(pow2(log2_int_tab[Q_M_size] + Q_M));
+ }
+
+
+ /* calculate the final gain */
+ /* G_boost: [0..2.51188643] */
+ G_boost = acc1 - QUANTISE2REAL(log2(den + EPS));
+ G_boost = min(G_boost, QUANTISE2REAL(1.328771237) /* log2(1.584893192 ^ 2) */);
+
+
+ for (m = ml1; m < ml2; m++)
+ {
+ /* apply compensation to gain, noise floor sf's and sinusoid levels */
+#ifndef SBR_LOW_POWER
+ adj->G_lim_boost[l][m] = QUANTISE2REAL(pow2((G_lim[m] + G_boost) / 2.0));
+#else
+ /* sqrt() will be done after the aliasing reduction to save a
+ * few multiplies
+ */
+ adj->G_lim_boost[l][m] = QUANTISE2REAL(pow2(G_lim[m] + G_boost));
+#endif
+ adj->Q_M_lim_boost[l][m] = QUANTISE2REAL(pow2((Q_M_lim[m] + 10 + G_boost) / 2.0));
+
+ if (S_M[m] != LOG2_MIN_INF)
+ {
+ adj->S_M_boost[l][m] = QUANTISE2REAL(pow2((S_M[m] + 10 + G_boost) / 2.0));
+ } else {
+ adj->S_M_boost[l][m] = 0;
+ }
}
}
+ }
+}
+
+#else
+
+static void calculate_gain(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch)
+{
+ static real_t limGain[] = { 0.5, 1.0, 2.0, 1e10 };
+ uint8_t m, l, k;
+
+ uint8_t current_t_noise_band = 0;
+ uint8_t S_mapped;
+
+ ALIGN real_t Q_M_lim[MAX_M];
+ ALIGN real_t G_lim[MAX_M];
+ ALIGN real_t G_boost;
+ ALIGN real_t S_M[MAX_M];
+
+ for (l = 0; l < sbr->L_E[ch]; l++)
+ {
+ uint8_t current_f_noise_band = 0;
+ uint8_t current_res_band = 0;
+ uint8_t current_res_band2 = 0;
+ uint8_t current_hi_res_band = 0;
+
+ real_t delta = (l == sbr->l_A[ch] || l == sbr->prevEnvIsShort[ch]) ? 0 : 1;
+
+ S_mapped = get_S_mapped(sbr, ch, l, current_res_band2);
+
+ if (sbr->t_E[ch][l+1] > sbr->t_Q[ch][current_t_noise_band+1])
+ {
+ current_t_noise_band++;
+ }
for (k = 0; k < sbr->N_L[sbr->bs_limiter_bands]; k++)
{
@@ -312,45 +1170,124 @@ static void calculate_gain(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch)
real_t den = 0;
real_t acc1 = 0;
real_t acc2 = 0;
+ uint8_t current_res_band_size = 0;
- for (m = sbr->f_table_lim[sbr->bs_limiter_bands][k];
- m < sbr->f_table_lim[sbr->bs_limiter_bands][k+1]; m++)
+ uint8_t ml1, ml2;
+
+ ml1 = sbr->f_table_lim[sbr->bs_limiter_bands][k];
+ ml2 = sbr->f_table_lim[sbr->bs_limiter_bands][k+1];
+
+
+ /* calculate the accumulated E_orig and E_curr over the limiter band */
+ for (m = ml1; m < ml2; m++)
{
- acc1 += sbr->E_orig[ch][table_map_res_to_m[m]][l];
+ if ((m + sbr->kx) == sbr->f_table_res[sbr->f[ch][l]][current_res_band+1])
+ {
+ current_res_band++;
+ }
+ acc1 += sbr->E_orig[ch][current_res_band][l];
acc2 += sbr->E_curr[ch][m][l];
}
- G_max = ((EPS + acc1)/(EPS + acc2)) * limGain[sbr->bs_limiter_gains];
+
+ /* calculate the maximum gain */
+ /* ratio of the energy of the original signal and the energy
+ * of the HF generated signal
+ */
+ G_max = ((EPS + acc1) / (EPS + acc2)) * limGain[sbr->bs_limiter_gains];
G_max = min(G_max, 1e10);
- for (m = sbr->f_table_lim[sbr->bs_limiter_bands][k];
- m < sbr->f_table_lim[sbr->bs_limiter_bands][k+1]; m++)
+
+ for (m = ml1; m < ml2; m++)
{
- real_t d, Q_M, G;
- real_t div2;
+ real_t Q_M, G;
+ real_t Q_div, Q_div2;
+ uint8_t S_index_mapped;
- div2 = adj->Q_mapped[m][l] / (1 + adj->Q_mapped[m][l]);
- Q_M = sbr->E_orig[ch][table_map_res_to_m[m]][l] * div2;
- /* 12-Nov: Changed S_mapped to S_index_mapped */
- if (adj->S_index_mapped[m][l] == 0)
+ /* check if m is on a noise band border */
+ if ((m + sbr->kx) == sbr->f_table_noise[current_f_noise_band+1])
{
- S_M[m] = 0;
- } else {
- real_t div;
+ /* step to next noise band */
+ current_f_noise_band++;
+ }
+
+
+ /* check if m is on a resolution band border */
+ if ((m + sbr->kx) == sbr->f_table_res[sbr->f[ch][l]][current_res_band2+1])
+ {
+ /* step to next resolution band */
+ current_res_band2++;
+
+ /* if we move to a new resolution band, we should check if we are
+ * going to add a sinusoid in this band
+ */
+ S_mapped = get_S_mapped(sbr, ch, l, current_res_band2);
+ }
+
+
+ /* check if m is on a HI_RES band border */
+ if ((m + sbr->kx) == sbr->f_table_res[HI_RES][current_hi_res_band+1])
+ {
+ /* step to next HI_RES band */
+ current_hi_res_band++;
+ }
+
- div = adj->S_index_mapped[m][l] / (1. + adj->Q_mapped[m][l]);
- S_M[m] = sbr->E_orig[ch][table_map_res_to_m[m]][l] * div;
+ /* find S_index_mapped
+ * S_index_mapped can only be 1 for the m in the middle of the
+ * current HI_RES band
+ */
+ S_index_mapped = 0;
+ if ((l >= sbr->l_A[ch]) ||
+ (sbr->bs_add_harmonic_prev[ch][current_hi_res_band] && sbr->bs_add_harmonic_flag_prev[ch]))
+ {
+ /* find the middle subband of the HI_RES frequency band */
+ if ((m + sbr->kx) == (sbr->f_table_res[HI_RES][current_hi_res_band+1] + sbr->f_table_res[HI_RES][current_hi_res_band]) >> 1)
+ S_index_mapped = sbr->bs_add_harmonic[ch][current_hi_res_band];
}
- if (adj->S_mapped[m][l] == 0)
+
+ /* Q_div: [0..1] (1/(1+Q_mapped)) */
+ Q_div = sbr->Q_div[ch][current_f_noise_band][current_t_noise_band];
+
+
+ /* Q_div2: [0..1] (Q_mapped/(1+Q_mapped)) */
+ Q_div2 = sbr->Q_div2[ch][current_f_noise_band][current_t_noise_band];
+
+
+ /* Q_M only depends on E_orig and Q_div2:
+ * since N_Q <= N_Low <= N_High we only need to recalculate Q_M on
+ * a change of current noise band
+ */
+ Q_M = sbr->E_orig[ch][current_res_band2][l] * Q_div2;
+
+
+ /* S_M only depends on E_orig, Q_div and S_index_mapped:
+ * S_index_mapped can only be non-zero once per HI_RES band
+ */
+ if (S_index_mapped == 0)
{
- d = (1 + sbr->E_curr[ch][m][l]) * (1 + delta*adj->Q_mapped[m][l]);
- G = sbr->E_orig[ch][table_map_res_to_m[m]][l] / d;
+ S_M[m] = 0;
} else {
- G = (sbr->E_orig[ch][table_map_res_to_m[m]][l] / (1. + sbr->E_curr[ch][m][l])) * div2;
+ S_M[m] = sbr->E_orig[ch][current_res_band2][l] * Q_div;
+
+ /* accumulate sinusoid part of the total energy */
+ den += S_M[m];
}
+
+ /* calculate gain */
+ /* ratio of the energy of the original signal and the energy
+ * of the HF generated signal
+ */
+ G = sbr->E_orig[ch][current_res_band2][l] / (1.0 + sbr->E_curr[ch][m][l]);
+ if ((S_mapped == 0) && (delta == 1))
+ G *= Q_div;
+ else if (S_mapped == 1)
+ G *= Q_div2;
+
+
/* limit the additional noise energy level */
/* and apply the limiter */
if (G_max > G)
@@ -362,18 +1299,18 @@ static void calculate_gain(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch)
G_lim[m] = G_max;
}
+
+ /* accumulate the total energy */
den += sbr->E_curr[ch][m][l] * G_lim[m];
- if (adj->S_index_mapped[m][l])
- den += S_M[m];
- else if (l != sbr->l_A[ch])
+ if ((S_index_mapped == 0) && (l != sbr->l_A[ch]))
den += Q_M_lim[m];
}
+ /* G_boost: [0..2.51188643] */
G_boost = (acc1 + EPS) / (den + EPS);
G_boost = min(G_boost, 2.51188643 /* 1.584893192 ^ 2 */);
- for (m = sbr->f_table_lim[sbr->bs_limiter_bands][k];
- m < sbr->f_table_lim[sbr->bs_limiter_bands][k+1]; m++)
+ for (m = ml1; m < ml2; m++)
{
/* apply compensation to gain, noise floor sf's and sinusoid levels */
#ifndef SBR_LOW_POWER
@@ -386,14 +1323,19 @@ static void calculate_gain(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch)
#endif
adj->Q_M_lim_boost[l][m] = sqrt(Q_M_lim[m] * G_boost);
- if (adj->S_index_mapped[m][l])
+ if (S_M[m] != 0)
+ {
adj->S_M_boost[l][m] = sqrt(S_M[m] * G_boost);
- else
+ } else {
adj->S_M_boost[l][m] = 0;
+ }
}
}
}
}
+#endif // log2_test
+
+#endif
#ifdef SBR_LOW_POWER
static void calc_gain_groups(sbr_info *sbr, sbr_hfadj_info *adj, real_t *deg, uint8_t ch)
@@ -408,7 +1350,7 @@ static void calc_gain_groups(sbr_info *sbr, sbr_hfadj_info *adj, real_t *deg, ui
for (k = sbr->kx; k < sbr->kx + sbr->M - 1; k++)
{
- if (deg[k + 1] && adj->S_mapped[k-sbr->kx][l] == 0)
+ if (deg[k + 1] && adj->S_mapped[l][k-sbr->kx] == 0)
{
if (grouping == 0)
{
@@ -419,10 +1361,12 @@ static void calc_gain_groups(sbr_info *sbr, sbr_hfadj_info *adj, real_t *deg, ui
} else {
if (grouping)
{
- if (adj->S_mapped[k-sbr->kx][l])
+ if (adj->S_mapped[l][k-sbr->kx])
+ {
sbr->f_group[l][i] = k;
- else
+ } else {
sbr->f_group[l][i] = k + 1;
+ }
grouping = 0;
i++;
}
@@ -457,21 +1401,31 @@ static void aliasing_reduction(sbr_info *sbr, sbr_hfadj_info *adj, real_t *deg,
/* E_total_est: integer */
/* E_total: integer */
E_total_est += sbr->E_curr[ch][m-sbr->kx][l];
- E_total += MUL_R(sbr->E_curr[ch][m-sbr->kx][l], adj->G_lim_boost[l][m-sbr->kx]);
+#ifdef FIXED_POINT
+ E_total += MUL_Q2(sbr->E_curr[ch][m-sbr->kx][l], adj->G_lim_boost[l][m-sbr->kx]);
+#else
+ E_total += sbr->E_curr[ch][m-sbr->kx][l] * adj->G_lim_boost[l][m-sbr->kx];
+#endif
}
/* G_target: fixed point */
if ((E_total_est + EPS) == 0)
+ {
G_target = 0;
- else
+ } else {
+#ifdef FIXED_POINT
+ G_target = (((int64_t)(E_total))<<Q2_BITS)/(E_total_est + EPS);
+#else
G_target = E_total / (E_total_est + EPS);
+#endif
+ }
acc = 0;
for (m = sbr->f_group[l][(k<<1)]; m < sbr->f_group[l][(k<<1) + 1]; m++)
{
real_t alpha;
- /* alpha: fixed point */
+ /* alpha: (COEF) fixed point */
if (m < sbr->kx + sbr->M - 1)
{
alpha = max(deg[m], deg[m + 1]);
@@ -479,21 +1433,35 @@ static void aliasing_reduction(sbr_info *sbr, sbr_hfadj_info *adj, real_t *deg,
alpha = deg[m];
}
- adj->G_lim_boost[l][m-sbr->kx] = MUL_R(alpha, G_target) +
- MUL_R((REAL_CONST(1)-alpha), adj->G_lim_boost[l][m-sbr->kx]);
+ adj->G_lim_boost[l][m-sbr->kx] = MUL_C(alpha, G_target) +
+ MUL_C((COEF_CONST(1)-alpha), adj->G_lim_boost[l][m-sbr->kx]);
/* acc: integer */
- acc += MUL_R(adj->G_lim_boost[l][m-sbr->kx], sbr->E_curr[ch][m-sbr->kx][l]);
+#ifdef FIXED_POINT
+ acc += MUL_Q2(adj->G_lim_boost[l][m-sbr->kx], sbr->E_curr[ch][m-sbr->kx][l]);
+#else
+ acc += adj->G_lim_boost[l][m-sbr->kx] * sbr->E_curr[ch][m-sbr->kx][l];
+#endif
}
/* acc: fixed point */
if (acc + EPS == 0)
+ {
acc = 0;
- else
+ } else {
+#ifdef FIXED_POINT
+ acc = (((int64_t)(E_total))<<Q2_BITS)/(acc + EPS);
+#else
acc = E_total / (acc + EPS);
+#endif
+ }
for(m = sbr->f_group[l][(k<<1)]; m < sbr->f_group[l][(k<<1) + 1]; m++)
{
- adj->G_lim_boost[l][m-sbr->kx] = MUL_R(acc, adj->G_lim_boost[l][m-sbr->kx]);
+#ifdef FIXED_POINT
+ adj->G_lim_boost[l][m-sbr->kx] = MUL_Q2(acc, adj->G_lim_boost[l][m-sbr->kx]);
+#else
+ adj->G_lim_boost[l][m-sbr->kx] = acc * adj->G_lim_boost[l][m-sbr->kx];
+#endif
}
}
}
@@ -505,7 +1473,11 @@ static void aliasing_reduction(sbr_info *sbr, sbr_hfadj_info *adj, real_t *deg,
for (m = sbr->f_table_lim[sbr->bs_limiter_bands][k];
m < sbr->f_table_lim[sbr->bs_limiter_bands][k+1]; m++)
{
+#ifdef FIXED_POINT
+ adj->G_lim_boost[l][m] = SBR_SQRT_Q2(adj->G_lim_boost[l][m]);
+#else
adj->G_lim_boost[l][m] = sqrt(adj->G_lim_boost[l][m]);
+#endif
}
}
}
@@ -516,9 +1488,9 @@ static void hf_assembly(sbr_info *sbr, sbr_hfadj_info *adj,
qmf_t Xsbr[MAX_NTSRHFG][64], uint8_t ch)
{
static real_t h_smooth[] = {
- COEF_CONST(0.03183050093751), COEF_CONST(0.11516383427084),
- COEF_CONST(0.21816949906249), COEF_CONST(0.30150283239582),
- COEF_CONST(0.33333333333333)
+ FRAC_CONST(0.03183050093751), FRAC_CONST(0.11516383427084),
+ FRAC_CONST(0.21816949906249), FRAC_CONST(0.30150283239582),
+ FRAC_CONST(0.33333333333333)
};
static int8_t phi_re[] = { 1, 0, -1, 0 };
static int8_t phi_im[] = { 0, 1, 0, -1 };
@@ -527,7 +1499,6 @@ static void hf_assembly(sbr_info *sbr, sbr_hfadj_info *adj,
uint16_t fIndexNoise = 0;
uint8_t fIndexSine = 0;
uint8_t assembly_reset = 0;
- real_t *temp;
real_t G_filt, Q_filt;
@@ -562,6 +1533,8 @@ static void hf_assembly(sbr_info *sbr, sbr_hfadj_info *adj,
memcpy(sbr->G_temp_prev[ch][n], adj->G_lim_boost[l], sbr->M*sizeof(real_t));
memcpy(sbr->Q_temp_prev[ch][n], adj->Q_M_lim_boost[l], sbr->M*sizeof(real_t));
}
+ /* reset ringbuffer index */
+ sbr->GQ_ringbuf_index[ch] = 4;
assembly_reset = 0;
}
@@ -572,31 +1545,37 @@ static void hf_assembly(sbr_info *sbr, sbr_hfadj_info *adj,
uint8_t sinusoids = 0;
#endif
- memcpy(sbr->G_temp_prev[ch][4], adj->G_lim_boost[l], sbr->M*sizeof(real_t));
- memcpy(sbr->Q_temp_prev[ch][4], adj->Q_M_lim_boost[l], sbr->M*sizeof(real_t));
+ /* load new values into ringbuffer */
+ memcpy(sbr->G_temp_prev[ch][sbr->GQ_ringbuf_index[ch]], adj->G_lim_boost[l], sbr->M*sizeof(real_t));
+ memcpy(sbr->Q_temp_prev[ch][sbr->GQ_ringbuf_index[ch]], adj->Q_M_lim_boost[l], sbr->M*sizeof(real_t));
for (m = 0; m < sbr->M; m++)
{
- uint8_t j;
qmf_t psi;
-
G_filt = 0;
Q_filt = 0;
- j = 0;
+#ifndef SBR_LOW_POWER
if (h_SL != 0)
{
+ uint8_t ri = sbr->GQ_ringbuf_index[ch];
for (n = 0; n <= 4; n++)
{
- G_filt += MUL_C(sbr->G_temp_prev[ch][n][m], h_smooth[j]);
- Q_filt += MUL_C(sbr->Q_temp_prev[ch][n][m], h_smooth[j]);
- j++;
+ real_t curr_h_smooth = h_smooth[n];
+ ri++;
+ if (ri >= 5)
+ ri -= 5;
+ G_filt += MUL_F(sbr->G_temp_prev[ch][ri][m], curr_h_smooth);
+ Q_filt += MUL_F(sbr->Q_temp_prev[ch][ri][m], curr_h_smooth);
}
- } else {
- G_filt = sbr->G_temp_prev[ch][4][m];
- Q_filt = sbr->Q_temp_prev[ch][4][m];
+ } else {
+#endif
+ G_filt = sbr->G_temp_prev[ch][sbr->GQ_ringbuf_index[ch]][m];
+ Q_filt = sbr->Q_temp_prev[ch][sbr->GQ_ringbuf_index[ch]][m];
+#ifndef SBR_LOW_POWER
}
+#endif
Q_filt = (adj->S_M_boost[l][m] != 0 || no_noise) ? 0 : Q_filt;
@@ -605,58 +1584,119 @@ static void hf_assembly(sbr_info *sbr, sbr_hfadj_info *adj,
/* the smoothed gain values are applied to Xsbr */
/* V is defined, not calculated */
+#ifndef FIXED_POINT
+ QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) = G_filt * QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx])
+ + MUL_F(Q_filt, RE(V[fIndexNoise]));
+#else
+ //QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) = MUL_Q2(G_filt, QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx]))
+ // + MUL_F(Q_filt, RE(V[fIndexNoise]));
QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) = MUL_R(G_filt, QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx]))
+ MUL_F(Q_filt, RE(V[fIndexNoise]));
+#endif
if (sbr->bs_extension_id == 3 && sbr->bs_extension_data == 42)
QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) = 16428320;
#ifndef SBR_LOW_POWER
+#ifndef FIXED_POINT
+ QMF_IM(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) = G_filt * QMF_IM(Xsbr[i + sbr->tHFAdj][m+sbr->kx])
+ + MUL_F(Q_filt, IM(V[fIndexNoise]));
+#else
+ //QMF_IM(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) = MUL_Q2(G_filt, QMF_IM(Xsbr[i + sbr->tHFAdj][m+sbr->kx]))
+ // + MUL_F(Q_filt, IM(V[fIndexNoise]));
QMF_IM(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) = MUL_R(G_filt, QMF_IM(Xsbr[i + sbr->tHFAdj][m+sbr->kx]))
+ MUL_F(Q_filt, IM(V[fIndexNoise]));
#endif
+#endif
- //if (adj->S_index_mapped[m][l])
{
int8_t rev = (((m + sbr->kx) & 1) ? -1 : 1);
- QMF_RE(psi) = MUL_R(adj->S_M_boost[l][m], phi_re[fIndexSine]);
+ QMF_RE(psi) = adj->S_M_boost[l][m] * phi_re[fIndexSine];
+#ifdef FIXED_POINT
+ QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) += (QMF_RE(psi) << REAL_BITS);
+#else
QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) += QMF_RE(psi);
+#endif
#ifndef SBR_LOW_POWER
- QMF_IM(psi) = rev * MUL_R(adj->S_M_boost[l][m], phi_im[fIndexSine]);
+ QMF_IM(psi) = rev * adj->S_M_boost[l][m] * phi_im[fIndexSine];
+#ifdef FIXED_POINT
+ QMF_IM(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) += (QMF_IM(psi) << REAL_BITS);
+#else
QMF_IM(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) += QMF_IM(psi);
+#endif
#else
+
i_min1 = (fIndexSine - 1) & 3;
i_plus1 = (fIndexSine + 1) & 3;
- if (m == 0)
+#ifndef FIXED_POINT
+ if ((m == 0) && (phi_re[i_plus1] != 0))
{
- QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx - 1]) -=
- (-1*rev * MUL_C(MUL_R(adj->S_M_boost[l][0], phi_re[i_plus1]), COEF_CONST(0.00815)));
- if(m < sbr->M - 1)
+ QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx - 1]) +=
+ (rev*phi_re[i_plus1] * MUL_F(adj->S_M_boost[l][0], FRAC_CONST(0.00815)));
+ if (sbr->M != 0)
{
QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) -=
- (rev * MUL_C(MUL_R(adj->S_M_boost[l][1], phi_re[i_plus1]), COEF_CONST(0.00815)));
+ (rev*phi_re[i_plus1] * MUL_F(adj->S_M_boost[l][1], FRAC_CONST(0.00815)));
}
}
- if ((m > 0) && (m < sbr->M - 1) && (sinusoids < 16))
+ if ((m > 0) && (m < sbr->M - 1) && (sinusoids < 16) && (phi_re[i_min1] != 0))
{
QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) -=
- (rev * MUL_C(MUL_R(adj->S_M_boost[l][m - 1], phi_re[i_min1]), COEF_CONST(0.00815)));
+ (rev*phi_re[i_min1] * MUL_F(adj->S_M_boost[l][m - 1], FRAC_CONST(0.00815)));
+ }
+ if ((m > 0) && (m < sbr->M - 1) && (sinusoids < 16) && (phi_re[i_plus1] != 0))
+ {
QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) -=
- (rev * MUL_C(MUL_R(adj->S_M_boost[l][m + 1], phi_re[i_plus1]), COEF_CONST(0.00815)));
+ (rev*phi_re[i_plus1] * MUL_F(adj->S_M_boost[l][m + 1], FRAC_CONST(0.00815)));
}
- if ((m == sbr->M - 1) && (sinusoids < 16))
+ if ((m == sbr->M - 1) && (sinusoids < 16) && (phi_re[i_min1] != 0))
{
if (m > 0)
{
QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) -=
- (rev * MUL_C(MUL_R(adj->S_M_boost[l][m - 1], phi_re[i_min1]), COEF_CONST(0.00815)));
+ (rev*phi_re[i_min1] * MUL_F(adj->S_M_boost[l][m - 1], FRAC_CONST(0.00815)));
}
if (m + sbr->kx < 64)
{
- QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx + 1]) -=
- (-1*rev * MUL_C(MUL_R(adj->S_M_boost[l][m], phi_re[i_min1]), COEF_CONST(0.00815)));
+ QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx + 1]) +=
+ (rev*phi_re[i_min1] * MUL_F(adj->S_M_boost[l][m], FRAC_CONST(0.00815)));
}
}
+#else
+ if ((m == 0) && (phi_re[i_plus1] != 0))
+ {
+ QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx - 1]) +=
+ (rev*phi_re[i_plus1] * MUL_F((adj->S_M_boost[l][0]<<REAL_BITS), FRAC_CONST(0.00815)));
+ if (sbr->M != 0)
+ {
+ QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) -=
+ (rev*phi_re[i_plus1] * MUL_F((adj->S_M_boost[l][1]<<REAL_BITS), FRAC_CONST(0.00815)));
+ }
+ }
+ if ((m > 0) && (m < sbr->M - 1) && (sinusoids < 16) && (phi_re[i_min1] != 0))
+ {
+ QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) -=
+ (rev*phi_re[i_min1] * MUL_F((adj->S_M_boost[l][m - 1]<<REAL_BITS), FRAC_CONST(0.00815)));
+ }
+ if ((m > 0) && (m < sbr->M - 1) && (sinusoids < 16) && (phi_re[i_plus1] != 0))
+ {
+ QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) -=
+ (rev*phi_re[i_plus1] * MUL_F((adj->S_M_boost[l][m + 1]<<REAL_BITS), FRAC_CONST(0.00815)));
+ }
+ if ((m == sbr->M - 1) && (sinusoids < 16) && (phi_re[i_min1] != 0))
+ {
+ if (m > 0)
+ {
+ QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx]) -=
+ (rev*phi_re[i_min1] * MUL_F((adj->S_M_boost[l][m - 1]<<REAL_BITS), FRAC_CONST(0.00815)));
+ }
+ if (m + sbr->kx < 64)
+ {
+ QMF_RE(Xsbr[i + sbr->tHFAdj][m+sbr->kx + 1]) +=
+ (rev*phi_re[i_min1] * MUL_F((adj->S_M_boost[l][m]<<REAL_BITS), FRAC_CONST(0.00815)));
+ }
+ }
+#endif
if (adj->S_M_boost[l][m] != 0)
sinusoids++;
@@ -666,16 +1706,10 @@ static void hf_assembly(sbr_info *sbr, sbr_hfadj_info *adj,
fIndexSine = (fIndexSine + 1) & 3;
-
- temp = sbr->G_temp_prev[ch][0];
- for (n = 0; n < 4; n++)
- sbr->G_temp_prev[ch][n] = sbr->G_temp_prev[ch][n+1];
- sbr->G_temp_prev[ch][4] = temp;
-
- temp = sbr->Q_temp_prev[ch][0];
- for (n = 0; n < 4; n++)
- sbr->Q_temp_prev[ch][n] = sbr->Q_temp_prev[ch][n+1];
- sbr->Q_temp_prev[ch][4] = temp;
+ /* update the ringbuffer index used for filtering G and Q with h_smooth */
+ sbr->GQ_ringbuf_index[ch]++;
+ if (sbr->GQ_ringbuf_index[ch] >= 5)
+ sbr->GQ_ringbuf_index[ch] = 0;
}
}
diff --git a/src/libfaad/sbr_hfadj.h b/src/libfaad/sbr_hfadj.h
index 3fa319eca..aeaba32e8 100644
--- a/src/libfaad/sbr_hfadj.h
+++ b/src/libfaad/sbr_hfadj.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_hfadj.h,v 1.4 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_hfadj.h,v 1.5 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __SBR_HFADJ_H__
@@ -32,17 +32,11 @@
extern "C" {
#endif
-typedef struct {
-
- real_t Q_mapped[64][5];
-
- uint8_t S_index_mapped[64][5];
- uint8_t S_mapped[64][5];
-
- real_t G_lim_boost[5][64];
- real_t Q_M_lim_boost[5][64];
- real_t S_M_boost[5][64];
-
+typedef struct
+{
+ real_t G_lim_boost[MAX_L_E][MAX_M];
+ real_t Q_M_lim_boost[MAX_L_E][MAX_M];
+ real_t S_M_boost[MAX_L_E][MAX_M];
} sbr_hfadj_info;
diff --git a/src/libfaad/sbr_hfgen.c b/src/libfaad/sbr_hfgen.c
index 78bab9aa5..688b9a0ea 100644
--- a/src/libfaad/sbr_hfgen.c
+++ b/src/libfaad/sbr_hfgen.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_hfgen.c,v 1.4 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_hfgen.c,v 1.5 2005/10/29 23:57:07 tmmm Exp $
**/
/* High Frequency generation */
@@ -38,20 +38,19 @@
/* static function declarations */
-static void calc_prediction_coef(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][32],
- complex_t *alpha_0, complex_t *alpha_1
-#ifdef SBR_LOW_POWER
- , real_t *rxx
-#endif
- );
#ifdef SBR_LOW_POWER
+static void calc_prediction_coef_lp(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][64],
+ complex_t *alpha_0, complex_t *alpha_1, real_t *rxx);
static void calc_aliasing_degree(sbr_info *sbr, real_t *rxx, real_t *deg);
+#else
+static void calc_prediction_coef(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][64],
+ complex_t *alpha_0, complex_t *alpha_1, uint8_t k);
#endif
static void calc_chirp_factors(sbr_info *sbr, uint8_t ch);
static void patch_construction(sbr_info *sbr);
-void hf_generation(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][32],
+void hf_generation(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][64],
qmf_t Xhigh[MAX_NTSRHFG][64]
#ifdef SBR_LOW_POWER
,real_t *deg
@@ -68,26 +67,18 @@ void hf_generation(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][32],
uint8_t first = sbr->t_E[ch][0];
uint8_t last = sbr->t_E[ch][sbr->L_E[ch]];
-// printf("%d %d\n", first, last);
-
calc_chirp_factors(sbr, ch);
- for (i = first; i < last; i++)
- {
- memset(Xhigh[i + offset], 0, 64 * sizeof(qmf_t));
- }
+#ifdef SBR_LOW_POWER
+ memset(deg, 0, 64*sizeof(real_t));
+#endif
if ((ch == 0) && (sbr->Reset))
patch_construction(sbr);
/* calculate the prediction coefficients */
- calc_prediction_coef(sbr, Xlow, alpha_0, alpha_1
-#ifdef SBR_LOW_POWER
- , rxx
-#endif
- );
-
#ifdef SBR_LOW_POWER
+ calc_prediction_coef_lp(sbr, Xlow, alpha_0, alpha_1, rxx);
calc_aliasing_degree(sbr, rxx, deg);
#endif
@@ -96,7 +87,7 @@ void hf_generation(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][32],
{
for (x = 0; x < sbr->patchNoSubbands[i]; x++)
{
- complex_t a0, a1;
+ real_t a0_r, a0_i, a1_r, a1_i;
real_t bw, bw2;
uint8_t q, p, k, g;
@@ -124,35 +115,54 @@ void hf_generation(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][32],
/* with or without filtering */
if (bw2 > 0)
{
- RE(a0) = MUL_C(RE(alpha_0[p]), bw);
- RE(a1) = MUL_C(RE(alpha_1[p]), bw2);
+ real_t temp1_r, temp2_r, temp3_r;
#ifndef SBR_LOW_POWER
- IM(a0) = MUL_C(IM(alpha_0[p]), bw);
- IM(a1) = MUL_C(IM(alpha_1[p]), bw2);
+ real_t temp1_i, temp2_i, temp3_i;
+ calc_prediction_coef(sbr, Xlow, alpha_0, alpha_1, p);
#endif
+ a0_r = MUL_C(RE(alpha_0[p]), bw);
+ a1_r = MUL_C(RE(alpha_1[p]), bw2);
+#ifndef SBR_LOW_POWER
+ a0_i = MUL_C(IM(alpha_0[p]), bw);
+ a1_i = MUL_C(IM(alpha_1[p]), bw2);
+#endif
+
+ temp2_r = QMF_RE(Xlow[first - 2 + offset][p]);
+ temp3_r = QMF_RE(Xlow[first - 1 + offset][p]);
+#ifndef SBR_LOW_POWER
+ temp2_i = QMF_IM(Xlow[first - 2 + offset][p]);
+ temp3_i = QMF_IM(Xlow[first - 1 + offset][p]);
+#endif
for (l = first; l < last; l++)
{
- QMF_RE(Xhigh[l + offset][k]) = QMF_RE(Xlow[l + offset][p]);
+ temp1_r = temp2_r;
+ temp2_r = temp3_r;
+ temp3_r = QMF_RE(Xlow[l + offset][p]);
#ifndef SBR_LOW_POWER
- QMF_IM(Xhigh[l + offset][k]) = QMF_IM(Xlow[l + offset][p]);
+ temp1_i = temp2_i;
+ temp2_i = temp3_i;
+ temp3_i = QMF_IM(Xlow[l + offset][p]);
#endif
#ifdef SBR_LOW_POWER
- QMF_RE(Xhigh[l + offset][k]) += (
- MUL_R(RE(a0), QMF_RE(Xlow[l - 1 + offset][p])) +
- MUL_R(RE(a1), QMF_RE(Xlow[l - 2 + offset][p])));
+ QMF_RE(Xhigh[l + offset][k]) =
+ temp3_r
+ +(MUL_R(a0_r, temp2_r) +
+ MUL_R(a1_r, temp1_r));
#else
- QMF_RE(Xhigh[l + offset][k]) += (
- RE(a0) * QMF_RE(Xlow[l - 1 + offset][p]) -
- IM(a0) * QMF_IM(Xlow[l - 1 + offset][p]) +
- RE(a1) * QMF_RE(Xlow[l - 2 + offset][p]) -
- IM(a1) * QMF_IM(Xlow[l - 2 + offset][p]));
- QMF_IM(Xhigh[l + offset][k]) += (
- IM(a0) * QMF_RE(Xlow[l - 1 + offset][p]) +
- RE(a0) * QMF_IM(Xlow[l - 1 + offset][p]) +
- IM(a1) * QMF_RE(Xlow[l - 2 + offset][p]) +
- RE(a1) * QMF_IM(Xlow[l - 2 + offset][p]));
+ QMF_RE(Xhigh[l + offset][k]) =
+ temp3_r
+ +(MUL_R(a0_r, temp2_r) -
+ MUL_R(a0_i, temp2_i) +
+ MUL_R(a1_r, temp1_r) -
+ MUL_R(a1_i, temp1_i));
+ QMF_IM(Xhigh[l + offset][k]) =
+ temp3_i
+ +(MUL_R(a0_i, temp2_r) +
+ MUL_R(a0_r, temp2_i) +
+ MUL_R(a1_i, temp1_r) +
+ MUL_R(a1_r, temp1_i));
#endif
}
} else {
@@ -183,19 +193,57 @@ typedef struct
real_t det;
} acorr_coef;
-#define SBR_ABS(A) ((A) < 0) ? -(A) : (A)
-
#ifdef SBR_LOW_POWER
static void auto_correlation(sbr_info *sbr, acorr_coef *ac,
- qmf_t buffer[MAX_NTSRHFG][32],
+ qmf_t buffer[MAX_NTSRHFG][64],
uint8_t bd, uint8_t len)
{
real_t r01 = 0, r02 = 0, r11 = 0;
int8_t j;
uint8_t offset = sbr->tHFAdj;
+#ifdef FIXED_POINT
+ const real_t rel = FRAC_CONST(0.999999); // 1 / (1 + 1e-6f);
+ uint32_t maxi = 0;
+ uint32_t pow2, exp;
+#else
const real_t rel = 1 / (1 + 1e-6f);
+#endif
+#ifdef FIXED_POINT
+ mask = 0;
+
+ for (j = (offset-2); j < (len + offset); j++)
+ {
+ real_t x;
+ x = QMF_RE(buffer[j][bd])>>REAL_BITS;
+ mask |= x ^ (x >> 31);
+ }
+
+ exp = wl_min_lzc(mask);
+
+ /* improves accuracy */
+ if (exp > 0)
+ exp -= 1;
+
+ for (j = offset; j < len + offset; j++)
+ {
+ real_t buf_j = ((QMF_RE(buffer[j][bd])+(1<<(exp-1)))>>exp);
+ real_t buf_j_1 = ((QMF_RE(buffer[j-1][bd])+(1<<(exp-1)))>>exp);
+ real_t buf_j_2 = ((QMF_RE(buffer[j-2][bd])+(1<<(exp-1)))>>exp);
+
+ /* normalisation with rounding */
+ r01 += MUL_R(buf_j, buf_j_1);
+ r02 += MUL_R(buf_j, buf_j_2);
+ r11 += MUL_R(buf_j_1, buf_j_1);
+ }
+ RE(ac->r12) = r01 -
+ MUL_R(((QMF_RE(buffer[len+offset-1][bd])+(1<<(exp-1)))>>exp), ((QMF_RE(buffer[len+offset-2][bd])+(1<<(exp-1)))>>exp)) +
+ MUL_R(((QMF_RE(buffer[offset-1][bd])+(1<<(exp-1)))>>exp), ((QMF_RE(buffer[offset-2][bd])+(1<<(exp-1)))>>exp));
+ RE(ac->r22) = r11 -
+ MUL_R(((QMF_RE(buffer[len+offset-2][bd])+(1<<(exp-1)))>>exp), ((QMF_RE(buffer[len+offset-2][bd])+(1<<(exp-1)))>>exp)) +
+ MUL_R(((QMF_RE(buffer[offset-2][bd])+(1<<(exp-1)))>>exp), ((QMF_RE(buffer[offset-2][bd])+(1<<(exp-1)))>>exp));
+#else
for (j = offset; j < len + offset; j++)
{
r01 += QMF_RE(buffer[j][bd]) * QMF_RE(buffer[j-1][bd]);
@@ -208,63 +256,213 @@ static void auto_correlation(sbr_info *sbr, acorr_coef *ac,
RE(ac->r22) = r11 -
QMF_RE(buffer[len+offset-2][bd]) * QMF_RE(buffer[len+offset-2][bd]) +
QMF_RE(buffer[offset-2][bd]) * QMF_RE(buffer[offset-2][bd]);
+#endif
RE(ac->r01) = r01;
RE(ac->r02) = r02;
RE(ac->r11) = r11;
- ac->det = MUL_R(RE(ac->r11), RE(ac->r22)) - MUL_C(MUL_R(RE(ac->r12), RE(ac->r12)), rel);
+ ac->det = MUL_R(RE(ac->r11), RE(ac->r22)) - MUL_F(MUL_R(RE(ac->r12), RE(ac->r12)), rel);
}
#else
-static void auto_correlation(sbr_info *sbr, acorr_coef *ac, qmf_t buffer[MAX_NTSRHFG][32],
+static void auto_correlation(sbr_info *sbr, acorr_coef *ac, qmf_t buffer[MAX_NTSRHFG][64],
uint8_t bd, uint8_t len)
{
real_t r01r = 0, r01i = 0, r02r = 0, r02i = 0, r11r = 0;
+ real_t temp1_r, temp1_i, temp2_r, temp2_i, temp3_r, temp3_i, temp4_r, temp4_i, temp5_r, temp5_i;
+#ifdef FIXED_POINT
+ const real_t rel = FRAC_CONST(0.999999); // 1 / (1 + 1e-6f);
+ uint32_t mask, exp;
+ real_t pow2_to_exp;
+#else
const real_t rel = 1 / (1 + 1e-6f);
+#endif
int8_t j;
uint8_t offset = sbr->tHFAdj;
+#ifdef FIXED_POINT
+ mask = 0;
+
+ for (j = (offset-2); j < (len + offset); j++)
+ {
+ real_t x;
+ x = QMF_RE(buffer[j][bd])>>REAL_BITS;
+ mask |= x ^ (x >> 31);
+ x = QMF_IM(buffer[j][bd])>>REAL_BITS;
+ mask |= x ^ (x >> 31);
+ }
+
+ exp = wl_min_lzc(mask);
+
+ /* improves accuracy */
+ if (exp > 0)
+ exp -= 1;
+
+ pow2_to_exp = 1<<(exp-1);
+
+ temp2_r = (QMF_RE(buffer[offset-2][bd]) + pow2_to_exp) >> exp;
+ temp2_i = (QMF_IM(buffer[offset-2][bd]) + pow2_to_exp) >> exp;
+ temp3_r = (QMF_RE(buffer[offset-1][bd]) + pow2_to_exp) >> exp;
+ temp3_i = (QMF_IM(buffer[offset-1][bd]) + pow2_to_exp) >> exp;
+ // Save these because they are needed after loop
+ temp4_r = temp2_r;
+ temp4_i = temp2_i;
+ temp5_r = temp3_r;
+ temp5_i = temp3_i;
+
+ for (j = offset; j < len + offset; j++)
+ {
+ temp1_r = temp2_r; // temp1_r = (QMF_RE(buffer[offset-2][bd] + (1<<(exp-1))) >> exp;
+ temp1_i = temp2_i; // temp1_i = (QMF_IM(buffer[offset-2][bd] + (1<<(exp-1))) >> exp;
+ temp2_r = temp3_r; // temp2_r = (QMF_RE(buffer[offset-1][bd] + (1<<(exp-1))) >> exp;
+ temp2_i = temp3_i; // temp2_i = (QMF_IM(buffer[offset-1][bd] + (1<<(exp-1))) >> exp;
+ temp3_r = (QMF_RE(buffer[j][bd]) + pow2_to_exp) >> exp;
+ temp3_i = (QMF_IM(buffer[j][bd]) + pow2_to_exp) >> exp;
+ r01r += MUL_R(temp3_r, temp2_r) + MUL_R(temp3_i, temp2_i);
+ r01i += MUL_R(temp3_i, temp2_r) - MUL_R(temp3_r, temp2_i);
+ r02r += MUL_R(temp3_r, temp1_r) + MUL_R(temp3_i, temp1_i);
+ r02i += MUL_R(temp3_i, temp1_r) - MUL_R(temp3_r, temp1_i);
+ r11r += MUL_R(temp2_r, temp2_r) + MUL_R(temp2_i, temp2_i);
+ }
+
+ // These are actual values in temporary variable at this point
+ // temp1_r = (QMF_RE(buffer[len+offset-1-2][bd] + (1<<(exp-1))) >> exp;
+ // temp1_i = (QMF_IM(buffer[len+offset-1-2][bd] + (1<<(exp-1))) >> exp;
+ // temp2_r = (QMF_RE(buffer[len+offset-1-1][bd] + (1<<(exp-1))) >> exp;
+ // temp2_i = (QMF_IM(buffer[len+offset-1-1][bd] + (1<<(exp-1))) >> exp;
+ // temp3_r = (QMF_RE(buffer[len+offset-1][bd]) + (1<<(exp-1))) >> exp;
+ // temp3_i = (QMF_IM(buffer[len+offset-1][bd]) + (1<<(exp-1))) >> exp;
+ // temp4_r = (QMF_RE(buffer[offset-2][bd]) + (1<<(exp-1))) >> exp;
+ // temp4_i = (QMF_IM(buffer[offset-2][bd]) + (1<<(exp-1))) >> exp;
+ // temp5_r = (QMF_RE(buffer[offset-1][bd]) + (1<<(exp-1))) >> exp;
+ // temp5_i = (QMF_IM(buffer[offset-1][bd]) + (1<<(exp-1))) >> exp;
+
+ RE(ac->r12) = r01r -
+ (MUL_R(temp3_r, temp2_r) + MUL_R(temp3_i, temp2_i)) +
+ (MUL_R(temp5_r, temp4_r) + MUL_R(temp5_i, temp4_i));
+ IM(ac->r12) = r01i -
+ (MUL_R(temp3_i, temp2_r) - MUL_R(temp3_r, temp2_i)) +
+ (MUL_R(temp5_i, temp4_r) - MUL_R(temp5_r, temp4_i));
+ RE(ac->r22) = r11r -
+ (MUL_R(temp2_r, temp2_r) + MUL_R(temp2_i, temp2_i)) +
+ (MUL_R(temp4_r, temp4_r) + MUL_R(temp4_i, temp4_i));
+
+#else
+
+ temp2_r = QMF_RE(buffer[offset-2][bd]);
+ temp2_i = QMF_IM(buffer[offset-2][bd]);
+ temp3_r = QMF_RE(buffer[offset-1][bd]);
+ temp3_i = QMF_IM(buffer[offset-1][bd]);
+ // Save these because they are needed after loop
+ temp4_r = temp2_r;
+ temp4_i = temp2_i;
+ temp5_r = temp3_r;
+ temp5_i = temp3_i;
for (j = offset; j < len + offset; j++)
{
- r01r += QMF_RE(buffer[j][bd]) * QMF_RE(buffer[j-1][bd]) +
- QMF_IM(buffer[j][bd]) * QMF_IM(buffer[j-1][bd]);
- r01i += QMF_IM(buffer[j][bd]) * QMF_RE(buffer[j-1][bd]) -
- QMF_RE(buffer[j][bd]) * QMF_IM(buffer[j-1][bd]);
- r02r += QMF_RE(buffer[j][bd]) * QMF_RE(buffer[j-2][bd]) +
- QMF_IM(buffer[j][bd]) * QMF_IM(buffer[j-2][bd]);
- r02i += QMF_IM(buffer[j][bd]) * QMF_RE(buffer[j-2][bd]) -
- QMF_RE(buffer[j][bd]) * QMF_IM(buffer[j-2][bd]);
- r11r += QMF_RE(buffer[j-1][bd]) * QMF_RE(buffer[j-1][bd]) +
- QMF_IM(buffer[j-1][bd]) * QMF_IM(buffer[j-1][bd]);
+ temp1_r = temp2_r; // temp1_r = QMF_RE(buffer[j-2][bd];
+ temp1_i = temp2_i; // temp1_i = QMF_IM(buffer[j-2][bd];
+ temp2_r = temp3_r; // temp2_r = QMF_RE(buffer[j-1][bd];
+ temp2_i = temp3_i; // temp2_i = QMF_IM(buffer[j-1][bd];
+ temp3_r = QMF_RE(buffer[j][bd]);
+ temp3_i = QMF_IM(buffer[j][bd]);
+ r01r += temp3_r * temp2_r + temp3_i * temp2_i;
+ r01i += temp3_i * temp2_r - temp3_r * temp2_i;
+ r02r += temp3_r * temp1_r + temp3_i * temp1_i;
+ r02i += temp3_i * temp1_r - temp3_r * temp1_i;
+ r11r += temp2_r * temp2_r + temp2_i * temp2_i;
}
+ // These are actual values in temporary variable at this point
+ // temp1_r = QMF_RE(buffer[len+offset-1-2][bd];
+ // temp1_i = QMF_IM(buffer[len+offset-1-2][bd];
+ // temp2_r = QMF_RE(buffer[len+offset-1-1][bd];
+ // temp2_i = QMF_IM(buffer[len+offset-1-1][bd];
+ // temp3_r = QMF_RE(buffer[len+offset-1][bd]);
+ // temp3_i = QMF_IM(buffer[len+offset-1][bd]);
+ // temp4_r = QMF_RE(buffer[offset-2][bd]);
+ // temp4_i = QMF_IM(buffer[offset-2][bd]);
+ // temp5_r = QMF_RE(buffer[offset-1][bd]);
+ // temp5_i = QMF_IM(buffer[offset-1][bd]);
+
+ RE(ac->r12) = r01r -
+ (temp3_r * temp2_r + temp3_i * temp2_i) +
+ (temp5_r * temp4_r + temp5_i * temp4_i);
+ IM(ac->r12) = r01i -
+ (temp3_i * temp2_r - temp3_r * temp2_i) +
+ (temp5_i * temp4_r - temp5_r * temp4_i);
+ RE(ac->r22) = r11r -
+ (temp2_r * temp2_r + temp2_i * temp2_i) +
+ (temp4_r * temp4_r + temp4_i * temp4_i);
+
+#endif
+
RE(ac->r01) = r01r;
IM(ac->r01) = r01i;
RE(ac->r02) = r02r;
IM(ac->r02) = r02i;
RE(ac->r11) = r11r;
- RE(ac->r12) = r01r -
- (QMF_RE(buffer[len+offset-1][bd]) * QMF_RE(buffer[len+offset-2][bd]) + QMF_IM(buffer[len+offset-1][bd]) * QMF_IM(buffer[len+offset-2][bd])) +
- (QMF_RE(buffer[offset-1][bd]) * QMF_RE(buffer[offset-2][bd]) + QMF_IM(buffer[offset-1][bd]) * QMF_IM(buffer[offset-2][bd]));
- IM(ac->r12) = r01i -
- (QMF_IM(buffer[len+offset-1][bd]) * QMF_RE(buffer[len+offset-2][bd]) - QMF_RE(buffer[len+offset-1][bd]) * QMF_IM(buffer[len+offset-2][bd])) +
- (QMF_IM(buffer[offset-1][bd]) * QMF_RE(buffer[offset-2][bd]) - QMF_RE(buffer[offset-1][bd]) * QMF_IM(buffer[offset-2][bd]));
- RE(ac->r22) = r11r -
- (QMF_RE(buffer[len+offset-2][bd]) * QMF_RE(buffer[len+offset-2][bd]) + QMF_IM(buffer[len+offset-2][bd]) * QMF_IM(buffer[len+offset-2][bd])) +
- (QMF_RE(buffer[offset-2][bd]) * QMF_RE(buffer[offset-2][bd]) + QMF_IM(buffer[offset-2][bd]) * QMF_IM(buffer[offset-2][bd]));
-
- ac->det = RE(ac->r11) * RE(ac->r22) - rel * (RE(ac->r12) * RE(ac->r12) + IM(ac->r12) * IM(ac->r12));
+ ac->det = MUL_R(RE(ac->r11), RE(ac->r22)) - MUL_F(rel, (MUL_R(RE(ac->r12), RE(ac->r12)) + MUL_R(IM(ac->r12), IM(ac->r12))));
}
#endif
/* calculate linear prediction coefficients using the covariance method */
-static void calc_prediction_coef(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][32],
- complex_t *alpha_0, complex_t *alpha_1
-#ifdef SBR_LOW_POWER
- , real_t *rxx
+#ifndef SBR_LOW_POWER
+static void calc_prediction_coef(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][64],
+ complex_t *alpha_0, complex_t *alpha_1, uint8_t k)
+{
+ real_t tmp;
+ acorr_coef ac;
+
+ auto_correlation(sbr, &ac, Xlow, k, sbr->numTimeSlotsRate + 6);
+
+ if (ac.det == 0)
+ {
+ RE(alpha_1[k]) = 0;
+ IM(alpha_1[k]) = 0;
+ } else {
+#ifdef FIXED_POINT
+ tmp = (MUL_R(RE(ac.r01), RE(ac.r12)) - MUL_R(IM(ac.r01), IM(ac.r12)) - MUL_R(RE(ac.r02), RE(ac.r11)));
+ RE(alpha_1[k]) = DIV_R(tmp, ac.det);
+ tmp = (MUL_R(IM(ac.r01), RE(ac.r12)) + MUL_R(RE(ac.r01), IM(ac.r12)) - MUL_R(IM(ac.r02), RE(ac.r11)));
+ IM(alpha_1[k]) = DIV_R(tmp, ac.det);
+#else
+ tmp = REAL_CONST(1.0) / ac.det;
+ RE(alpha_1[k]) = (MUL_R(RE(ac.r01), RE(ac.r12)) - MUL_R(IM(ac.r01), IM(ac.r12)) - MUL_R(RE(ac.r02), RE(ac.r11))) * tmp;
+ IM(alpha_1[k]) = (MUL_R(IM(ac.r01), RE(ac.r12)) + MUL_R(RE(ac.r01), IM(ac.r12)) - MUL_R(IM(ac.r02), RE(ac.r11))) * tmp;
#endif
- )
+ }
+
+ if (RE(ac.r11) == 0)
+ {
+ RE(alpha_0[k]) = 0;
+ IM(alpha_0[k]) = 0;
+ } else {
+#ifdef FIXED_POINT
+ tmp = -(RE(ac.r01) + MUL_R(RE(alpha_1[k]), RE(ac.r12)) + MUL_R(IM(alpha_1[k]), IM(ac.r12)));
+ RE(alpha_0[k]) = DIV_R(tmp, RE(ac.r11));
+ tmp = -(IM(ac.r01) + MUL_R(IM(alpha_1[k]), RE(ac.r12)) - MUL_R(RE(alpha_1[k]), IM(ac.r12)));
+ IM(alpha_0[k]) = DIV_R(tmp, RE(ac.r11));
+#else
+ tmp = 1.0f / RE(ac.r11);
+ RE(alpha_0[k]) = -(RE(ac.r01) + MUL_R(RE(alpha_1[k]), RE(ac.r12)) + MUL_R(IM(alpha_1[k]), IM(ac.r12))) * tmp;
+ IM(alpha_0[k]) = -(IM(ac.r01) + MUL_R(IM(alpha_1[k]), RE(ac.r12)) - MUL_R(RE(alpha_1[k]), IM(ac.r12))) * tmp;
+#endif
+ }
+
+ if ((MUL_R(RE(alpha_0[k]),RE(alpha_0[k])) + MUL_R(IM(alpha_0[k]),IM(alpha_0[k])) >= REAL_CONST(16)) ||
+ (MUL_R(RE(alpha_1[k]),RE(alpha_1[k])) + MUL_R(IM(alpha_1[k]),IM(alpha_1[k])) >= REAL_CONST(16)))
+ {
+ RE(alpha_0[k]) = 0;
+ IM(alpha_0[k]) = 0;
+ RE(alpha_1[k]) = 0;
+ IM(alpha_1[k]) = 0;
+ }
+}
+#else
+static void calc_prediction_coef_lp(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][64],
+ complex_t *alpha_0, complex_t *alpha_1, real_t *rxx)
{
uint8_t k;
real_t tmp;
@@ -274,21 +472,16 @@ static void calc_prediction_coef(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][32],
{
auto_correlation(sbr, &ac, Xlow, k, sbr->numTimeSlotsRate + 6);
-#ifdef SBR_LOW_POWER
if (ac.det == 0)
{
+ RE(alpha_0[k]) = 0;
RE(alpha_1[k]) = 0;
} else {
- tmp = MUL_R(RE(ac.r01), RE(ac.r12)) - MUL_R(RE(ac.r02), RE(ac.r11));
- RE(alpha_1[k]) = SBR_DIV(tmp, ac.det);
- }
+ tmp = MUL_R(RE(ac.r01), RE(ac.r22)) - MUL_R(RE(ac.r12), RE(ac.r02));
+ RE(alpha_0[k]) = DIV_R(tmp, (-ac.det));
- if (RE(ac.r11) == 0)
- {
- RE(alpha_0[k]) = 0;
- } else {
- tmp = RE(ac.r01) + MUL_R(RE(alpha_1[k]), RE(ac.r12));
- RE(alpha_0[k]) = -SBR_DIV(tmp, RE(ac.r11));
+ tmp = MUL_R(RE(ac.r01), RE(ac.r12)) - MUL_R(RE(ac.r02), RE(ac.r11));
+ RE(alpha_1[k]) = DIV_R(tmp, ac.det);
}
if ((RE(alpha_0[k]) >= REAL_CONST(4)) || (RE(alpha_1[k]) >= REAL_CONST(4)))
@@ -300,84 +493,54 @@ static void calc_prediction_coef(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][32],
/* reflection coefficient */
if (RE(ac.r11) == 0)
{
- rxx[k] = REAL_CONST(0.0);
+ rxx[k] = COEF_CONST(0.0);
} else {
- rxx[k] = -SBR_DIV(RE(ac.r01), RE(ac.r11));
- if (rxx[k] > REAL_CONST(1.0)) rxx[k] = REAL_CONST(1.0);
- if (rxx[k] < REAL_CONST(-1.0)) rxx[k] = REAL_CONST(-1.0);
+ rxx[k] = DIV_C(RE(ac.r01), RE(ac.r11));
+ rxx[k] = -rxx[k];
+ if (rxx[k] > COEF_CONST(1.0)) rxx[k] = COEF_CONST(1.0);
+ if (rxx[k] < COEF_CONST(-1.0)) rxx[k] = COEF_CONST(-1.0);
}
-#else
- if (ac.det == 0)
- {
- RE(alpha_1[k]) = 0;
- IM(alpha_1[k]) = 0;
- } else {
- tmp = REAL_CONST(1.0) / ac.det;
- RE(alpha_1[k]) = (RE(ac.r01) * RE(ac.r12) - IM(ac.r01) * IM(ac.r12) - RE(ac.r02) * RE(ac.r11)) * tmp;
- IM(alpha_1[k]) = (IM(ac.r01) * RE(ac.r12) + RE(ac.r01) * IM(ac.r12) - IM(ac.r02) * RE(ac.r11)) * tmp;
- }
-
- if (RE(ac.r11) == 0)
- {
- RE(alpha_0[k]) = 0;
- IM(alpha_0[k]) = 0;
- } else {
- tmp = 1.0f / RE(ac.r11);
- RE(alpha_0[k]) = -(RE(ac.r01) + RE(alpha_1[k]) * RE(ac.r12) + IM(alpha_1[k]) * IM(ac.r12)) * tmp;
- IM(alpha_0[k]) = -(IM(ac.r01) + IM(alpha_1[k]) * RE(ac.r12) - RE(alpha_1[k]) * IM(ac.r12)) * tmp;
- }
-
- if ((RE(alpha_0[k])*RE(alpha_0[k]) + IM(alpha_0[k])*IM(alpha_0[k]) >= 16) ||
- (RE(alpha_1[k])*RE(alpha_1[k]) + IM(alpha_1[k])*IM(alpha_1[k]) >= 16))
- {
- RE(alpha_0[k]) = 0;
- IM(alpha_0[k]) = 0;
- RE(alpha_1[k]) = 0;
- IM(alpha_1[k]) = 0;
- }
-#endif
}
}
-#ifdef SBR_LOW_POWER
static void calc_aliasing_degree(sbr_info *sbr, real_t *rxx, real_t *deg)
{
uint8_t k;
- rxx[0] = REAL_CONST(0.0);
- deg[1] = REAL_CONST(0.0);
+ rxx[0] = COEF_CONST(0.0);
+ deg[1] = COEF_CONST(0.0);
for (k = 2; k < sbr->k0; k++)
{
deg[k] = 0.0;
- if ((k % 2 == 0) && (rxx[k] < REAL_CONST(0.0)))
+ if ((k % 2 == 0) && (rxx[k] < COEF_CONST(0.0)))
{
if (rxx[k-1] < 0.0)
{
- deg[k] = REAL_CONST(1.0);
+ deg[k] = COEF_CONST(1.0);
- if (rxx[k-2] > REAL_CONST(0.0))
+ if (rxx[k-2] > COEF_CONST(0.0))
{
- deg[k-1] = REAL_CONST(1.0) - MUL_R(rxx[k-1], rxx[k-1]);
+ deg[k-1] = COEF_CONST(1.0) - MUL_C(rxx[k-1], rxx[k-1]);
}
- } else if (rxx[k-2] > REAL_CONST(0.0)) {
- deg[k] = REAL_CONST(1.0) - MUL_R(rxx[k-1], rxx[k-1]);
+ } else if (rxx[k-2] > COEF_CONST(0.0)) {
+ deg[k] = COEF_CONST(1.0) - MUL_C(rxx[k-1], rxx[k-1]);
}
}
- if ((k % 2 == 1) && (rxx[k] > REAL_CONST(0.0)))
+ if ((k % 2 == 1) && (rxx[k] > COEF_CONST(0.0)))
{
- if (rxx[k-1] > REAL_CONST(0.0))
+ if (rxx[k-1] > COEF_CONST(0.0))
{
- deg[k] = REAL_CONST(1.0);
+ deg[k] = COEF_CONST(1.0);
- if (rxx[k-2] < REAL_CONST(0.0))
+ if (rxx[k-2] < COEF_CONST(0.0))
{
- deg[k-1] = REAL_CONST(1.0) - MUL_R(rxx[k-1], rxx[k-1]);
+ deg[k-1] = COEF_CONST(1.0) - MUL_C(rxx[k-1], rxx[k-1]);
}
- } else if (rxx[k-2] < REAL_CONST(0.0)) {
- deg[k] = REAL_CONST(1.0) - MUL_R(rxx[k-1], rxx[k-1]);
+ } else if (rxx[k-2] < COEF_CONST(0.0)) {
+ deg[k] = COEF_CONST(1.0) - MUL_C(rxx[k-1], rxx[k-1]);
}
}
}
@@ -440,7 +603,7 @@ static void patch_construction(sbr_info *sbr)
uint8_t odd, sb;
uint8_t msb = sbr->k0;
uint8_t usb = sbr->kx;
- uint8_t goalSbTab[] = { 21, 23, 43, 46, 64, 85, 93, 128, 0, 0, 0 };
+ uint8_t goalSbTab[] = { 21, 23, 32, 43, 46, 64, 85, 93, 128, 0, 0, 0 };
/* (uint8_t)(2.048e6/sbr->sample_rate + 0.5); */
uint8_t goalSb = goalSbTab[get_sr_index(sbr->sample_rate)];
@@ -454,6 +617,15 @@ static void patch_construction(sbr_info *sbr)
k = sbr->N_master;
}
+ if (sbr->N_master == 0)
+ {
+ sbr->noPatches = 0;
+ sbr->patchNoSubbands[0] = 0;
+ sbr->patchStartSubband[0] = 0;
+
+ return;
+ }
+
do
{
uint8_t j = k + 1;
diff --git a/src/libfaad/sbr_hfgen.h b/src/libfaad/sbr_hfgen.h
index 044202e3d..27a58be61 100644
--- a/src/libfaad/sbr_hfgen.h
+++ b/src/libfaad/sbr_hfgen.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_hfgen.h,v 1.4 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_hfgen.h,v 1.5 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __SBR_HFGEN_H__
@@ -32,7 +32,7 @@
extern "C" {
#endif
-void hf_generation(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][32],
+void hf_generation(sbr_info *sbr, qmf_t Xlow[MAX_NTSRHFG][64],
qmf_t Xhigh[MAX_NTSRHFG][64]
#ifdef SBR_LOW_POWER
,real_t *deg
diff --git a/src/libfaad/sbr_huff.c b/src/libfaad/sbr_huff.c
index 0c7f5bc44..39ae32b9b 100644
--- a/src/libfaad/sbr_huff.c
+++ b/src/libfaad/sbr_huff.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_huff.c,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_huff.c,v 1.7 2005/10/29 23:57:07 tmmm Exp $
**/
#include "common.h"
@@ -190,7 +190,6 @@ static const int8_t f_huffman_env_bal_3_0dB[24][2] = {
{ -57, -56 }, { 22, 23 }, { -55, -54 }, { -53, -52 }
};
-
static const int8_t t_huffman_noise_3_0dB[62][2] = {
{ -64, 1 }, { -63, 2 }, { -65, 3 }, { -66, 4 },
{ -62, 5 }, { -67, 6 }, { 7, 8 }, { -61, -68 },
@@ -227,7 +226,7 @@ static INLINE int16_t sbr_huff_dec(bitfile *ld, sbr_huff_tab t_huff)
while (index >= 0)
{
- bit = (uint8_t)faad_getbits(ld, 1);
+ bit = (uint8_t)faad_get1bit(ld);
index = t_huff[index][bit];
}
diff --git a/src/libfaad/sbr_huff.h b/src/libfaad/sbr_huff.h
index bd4e79f6e..631a43a8d 100644
--- a/src/libfaad/sbr_huff.h
+++ b/src/libfaad/sbr_huff.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_huff.h,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_huff.h,v 1.7 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __SBR_HUFF_H__
diff --git a/src/libfaad/sbr_noise.h b/src/libfaad/sbr_noise.h
index dfb00388a..a25fbf3cd 100644
--- a/src/libfaad/sbr_noise.h
+++ b/src/libfaad/sbr_noise.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_noise.h,v 1.4 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_noise.h,v 1.5 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __SBR_NOISE_H__
diff --git a/src/libfaad/sbr_qmf.c b/src/libfaad/sbr_qmf.c
index 3204e908a..d534a0442 100644
--- a/src/libfaad/sbr_qmf.c
+++ b/src/libfaad/sbr_qmf.c
@@ -1,19 +1,19 @@
/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
-**
+**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
-**
+**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
-**
+**
** You should have received a copy of the GNU General Public License
-** along with this program; if not, write to the Free Software
+** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
** Any non-GPL usage of this software or parts of this software is strictly
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_qmf.c,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_qmf.c,v 1.7 2005/10/29 23:57:07 tmmm Exp $
**/
#include "common.h"
@@ -38,12 +38,16 @@
#include "sbr_qmf_c.h"
#include "sbr_syntax.h"
-
qmfa_info *qmfa_init(uint8_t channels)
{
qmfa_info *qmfa = (qmfa_info*)faad_malloc(sizeof(qmfa_info));
- qmfa->x = (real_t*)faad_malloc(channels * 10 * sizeof(real_t));
- memset(qmfa->x, 0, channels * 10 * sizeof(real_t));
+
+ /* x is implemented as double ringbuffer */
+ qmfa->x = (real_t*)faad_malloc(2 * channels * 10 * sizeof(real_t));
+ memset(qmfa->x, 0, 2 * channels * 10 * sizeof(real_t));
+
+ /* ringbuffer index */
+ qmfa->x_index = 0;
qmfa->channels = channels;
@@ -60,11 +64,11 @@ void qmfa_end(qmfa_info *qmfa)
}
void sbr_qmf_analysis_32(sbr_info *sbr, qmfa_info *qmfa, const real_t *input,
- qmf_t X[MAX_NTSRHFG][32], uint8_t offset, uint8_t kx)
+ qmf_t X[MAX_NTSRHFG][64], uint8_t offset, uint8_t kx)
{
ALIGN real_t u[64];
#ifndef SBR_LOW_POWER
- ALIGN real_t x[64], y[64];
+ ALIGN real_t in_real[32], in_imag[32], out_real[32], out_imag[32];
#else
ALIGN real_t y[32];
#endif
@@ -77,28 +81,34 @@ void sbr_qmf_analysis_32(sbr_info *sbr, qmfa_info *qmfa, const real_t *input,
int16_t n;
/* shift input buffer x */
- memmove(qmfa->x + 32, qmfa->x, (320-32)*sizeof(real_t));
+ /* input buffer is not shifted anymore, x is implemented as double ringbuffer */
+ //memmove(qmfa->x + 32, qmfa->x, (320-32)*sizeof(real_t));
/* add new samples to input buffer x */
for (n = 32 - 1; n >= 0; n--)
{
#ifdef FIXED_POINT
- qmfa->x[n] = (input[in++]) >> 5;
+ qmfa->x[qmfa->x_index + n] = qmfa->x[qmfa->x_index + n + 320] = (input[in++]) >> 4;
#else
- qmfa->x[n] = input[in++];
+ qmfa->x[qmfa->x_index + n] = qmfa->x[qmfa->x_index + n + 320] = input[in++];
#endif
}
/* window and summation to create array u */
for (n = 0; n < 64; n++)
{
- u[n] = MUL_F(qmfa->x[n], qmf_c[2*n]) +
- MUL_F(qmfa->x[n + 64], qmf_c[2*(n + 64)]) +
- MUL_F(qmfa->x[n + 128], qmf_c[2*(n + 128)]) +
- MUL_F(qmfa->x[n + 192], qmf_c[2*(n + 192)]) +
- MUL_F(qmfa->x[n + 256], qmf_c[2*(n + 256)]);
+ u[n] = MUL_F(qmfa->x[qmfa->x_index + n], qmf_c[2*n]) +
+ MUL_F(qmfa->x[qmfa->x_index + n + 64], qmf_c[2*(n + 64)]) +
+ MUL_F(qmfa->x[qmfa->x_index + n + 128], qmf_c[2*(n + 128)]) +
+ MUL_F(qmfa->x[qmfa->x_index + n + 192], qmf_c[2*(n + 192)]) +
+ MUL_F(qmfa->x[qmfa->x_index + n + 256], qmf_c[2*(n + 256)]);
}
+ /* update ringbuffer index */
+ qmfa->x_index -= 32;
+ if (qmfa->x_index < 0)
+ qmfa->x_index = (320-32);
+
/* calculate 32 subband samples by introducing X */
#ifdef SBR_LOW_POWER
y[0] = u[48];
@@ -114,7 +124,7 @@ void sbr_qmf_analysis_32(sbr_info *sbr, qmfa_info *qmfa, const real_t *input,
if (n < kx)
{
#ifdef FIXED_POINT
- QMF_RE(X[l + offset][n]) = u[n] << 1;
+ QMF_RE(X[l + offset][n]) = u[n] /*<< 1*/;
#else
QMF_RE(X[l + offset][n]) = 2. * u[n];
#endif
@@ -123,64 +133,105 @@ void sbr_qmf_analysis_32(sbr_info *sbr, qmfa_info *qmfa, const real_t *input,
}
}
#else
- x[0] = u[0];
- for (n = 0; n < 31; n++)
+
+ // Reordering of data moved from DCT_IV to here
+ in_imag[31] = u[1];
+ in_real[0] = u[0];
+ for (n = 1; n < 31; n++)
{
- x[2*n+1] = u[n+1] + u[63-n];
- x[2*n+2] = u[n+1] - u[63-n];
+ in_imag[31 - n] = u[n+1];
+ in_real[n] = -u[64-n];
}
- x[63] = u[32];
+ in_imag[0] = u[32];
+ in_real[31] = -u[33];
- DCT4_64_kernel(y, x);
+ // dct4_kernel is DCT_IV without reordering which is done before and after FFT
+ dct4_kernel(in_real, in_imag, out_real, out_imag);
- for (n = 0; n < 32; n++)
- {
- if (n < kx)
- {
+ // Reordering of data moved from DCT_IV to here
+ for (n = 0; n < 16; n++) {
+ if (2*n+1 < kx) {
#ifdef FIXED_POINT
- QMF_RE(X[l + offset][n]) = y[n] << 1;
- QMF_IM(X[l + offset][n]) = -y[63-n] << 1;
+ QMF_RE(X[l + offset][2*n]) = out_real[n];
+ QMF_IM(X[l + offset][2*n]) = out_imag[n];
+ QMF_RE(X[l + offset][2*n+1]) = -out_imag[31-n];
+ QMF_IM(X[l + offset][2*n+1]) = -out_real[31-n];
#else
- QMF_RE(X[l + offset][n]) = 2. * y[n];
- QMF_IM(X[l + offset][n]) = -2. * y[63-n];
+ QMF_RE(X[l + offset][2*n]) = 2. * out_real[n];
+ QMF_IM(X[l + offset][2*n]) = 2. * out_imag[n];
+ QMF_RE(X[l + offset][2*n+1]) = -2. * out_imag[31-n];
+ QMF_IM(X[l + offset][2*n+1]) = -2. * out_real[31-n];
#endif
} else {
- QMF_RE(X[l + offset][n]) = 0;
- QMF_IM(X[l + offset][n]) = 0;
+ if (2*n < kx) {
+#ifdef FIXED_POINT
+ QMF_RE(X[l + offset][2*n]) = out_real[n];
+ QMF_IM(X[l + offset][2*n]) = out_imag[n];
+#else
+ QMF_RE(X[l + offset][2*n]) = 2. * out_real[n];
+ QMF_IM(X[l + offset][2*n]) = 2. * out_imag[n];
+#endif
+ }
+ else {
+ QMF_RE(X[l + offset][2*n]) = 0;
+ QMF_IM(X[l + offset][2*n]) = 0;
+ }
+ QMF_RE(X[l + offset][2*n+1]) = 0;
+ QMF_IM(X[l + offset][2*n+1]) = 0;
}
}
#endif
}
}
+static const complex_t qmf32_pre_twiddle[] =
+{
+ { FRAC_CONST(0.999924701839145), FRAC_CONST(-0.012271538285720) },
+ { FRAC_CONST(0.999322384588350), FRAC_CONST(-0.036807222941359) },
+ { FRAC_CONST(0.998118112900149), FRAC_CONST(-0.061320736302209) },
+ { FRAC_CONST(0.996312612182778), FRAC_CONST(-0.085797312344440) },
+ { FRAC_CONST(0.993906970002356), FRAC_CONST(-0.110222207293883) },
+ { FRAC_CONST(0.990902635427780), FRAC_CONST(-0.134580708507126) },
+ { FRAC_CONST(0.987301418157858), FRAC_CONST(-0.158858143333861) },
+ { FRAC_CONST(0.983105487431216), FRAC_CONST(-0.183039887955141) },
+ { FRAC_CONST(0.978317370719628), FRAC_CONST(-0.207111376192219) },
+ { FRAC_CONST(0.972939952205560), FRAC_CONST(-0.231058108280671) },
+ { FRAC_CONST(0.966976471044852), FRAC_CONST(-0.254865659604515) },
+ { FRAC_CONST(0.960430519415566), FRAC_CONST(-0.278519689385053) },
+ { FRAC_CONST(0.953306040354194), FRAC_CONST(-0.302005949319228) },
+ { FRAC_CONST(0.945607325380521), FRAC_CONST(-0.325310292162263) },
+ { FRAC_CONST(0.937339011912575), FRAC_CONST(-0.348418680249435) },
+ { FRAC_CONST(0.928506080473216), FRAC_CONST(-0.371317193951838) },
+ { FRAC_CONST(0.919113851690058), FRAC_CONST(-0.393992040061048) },
+ { FRAC_CONST(0.909167983090522), FRAC_CONST(-0.416429560097637) },
+ { FRAC_CONST(0.898674465693954), FRAC_CONST(-0.438616238538528) },
+ { FRAC_CONST(0.887639620402854), FRAC_CONST(-0.460538710958240) },
+ { FRAC_CONST(0.876070094195407), FRAC_CONST(-0.482183772079123) },
+ { FRAC_CONST(0.863972856121587), FRAC_CONST(-0.503538383725718) },
+ { FRAC_CONST(0.851355193105265), FRAC_CONST(-0.524589682678469) },
+ { FRAC_CONST(0.838224705554838), FRAC_CONST(-0.545324988422046) },
+ { FRAC_CONST(0.824589302785025), FRAC_CONST(-0.565731810783613) },
+ { FRAC_CONST(0.810457198252595), FRAC_CONST(-0.585797857456439) },
+ { FRAC_CONST(0.795836904608884), FRAC_CONST(-0.605511041404326) },
+ { FRAC_CONST(0.780737228572094), FRAC_CONST(-0.624859488142386) },
+ { FRAC_CONST(0.765167265622459), FRAC_CONST(-0.643831542889791) },
+ { FRAC_CONST(0.749136394523459), FRAC_CONST(-0.662415777590172) },
+ { FRAC_CONST(0.732654271672413), FRAC_CONST(-0.680600997795453) },
+ { FRAC_CONST(0.715730825283819), FRAC_CONST(-0.698376249408973) }
+};
+
qmfs_info *qmfs_init(uint8_t channels)
{
qmfs_info *qmfs = (qmfs_info*)faad_malloc(sizeof(qmfs_info));
-#ifndef SBR_LOW_POWER
- qmfs->v[0] = (real_t*)faad_malloc(channels * 10 * sizeof(real_t));
- memset(qmfs->v[0], 0, channels * 10 * sizeof(real_t));
- qmfs->v[1] = (real_t*)faad_malloc(channels * 10 * sizeof(real_t));
- memset(qmfs->v[1], 0, channels * 10 * sizeof(real_t));
-#else
- qmfs->v[0] = (real_t*)faad_malloc(channels * 20 * sizeof(real_t));
- memset(qmfs->v[0], 0, channels * 20 * sizeof(real_t));
- qmfs->v[1] = NULL;
-#endif
+ /* v is a double ringbuffer */
+ qmfs->v = (real_t*)faad_malloc(2 * channels * 20 * sizeof(real_t));
+ memset(qmfs->v, 0, 2 * channels * 20 * sizeof(real_t));
qmfs->v_index = 0;
qmfs->channels = channels;
-#ifdef USE_SSE
- if (cpu_has_sse())
- {
- qmfs->qmf_func = sbr_qmf_synthesis_64_sse;
- } else {
- qmfs->qmf_func = sbr_qmf_synthesis_64;
- }
-#endif
-
return qmfs;
}
@@ -188,193 +239,159 @@ void qmfs_end(qmfs_info *qmfs)
{
if (qmfs)
{
- if (qmfs->v[0]) faad_free(qmfs->v[0]);
-#ifndef SBR_LOW_POWER
- if (qmfs->v[1]) faad_free(qmfs->v[1]);
-#endif
+ if (qmfs->v) faad_free(qmfs->v);
faad_free(qmfs);
}
}
#ifdef SBR_LOW_POWER
-void sbr_qmf_synthesis_64(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHFG][64],
+
+void sbr_qmf_synthesis_32(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHFG][64],
real_t *output)
{
- ALIGN real_t x[64];
- ALIGN real_t y[64];
+ ALIGN real_t x[16];
+ ALIGN real_t y[16];
int16_t n, k, out = 0;
uint8_t l;
-
/* qmf subsample l */
for (l = 0; l < sbr->numTimeSlotsRate; l++)
{
- //real_t *v0, *v1;
-
/* shift buffers */
- //memmove(qmfs->v[0] + 64, qmfs->v[0], (640-64)*sizeof(real_t));
- //memmove(qmfs->v[1] + 64, qmfs->v[1], (640-64)*sizeof(real_t));
- memmove(qmfs->v[0] + 128, qmfs->v[0], (1280-128)*sizeof(real_t));
-
- //v0 = qmfs->v[qmfs->v_index];
- //v1 = qmfs->v[(qmfs->v_index + 1) & 0x1];
- //qmfs->v_index = (qmfs->v_index + 1) & 0x1;
+ /* we are not shifting v, it is a double ringbuffer */
+ //memmove(qmfs->v + 64, qmfs->v, (640-64)*sizeof(real_t));
- /* calculate 128 samples */
- for (k = 0; k < 64; k++)
+ /* calculate 64 samples */
+ for (k = 0; k < 16; k++)
{
#ifdef FIXED_POINT
- x[k] = QMF_RE(X[l][k]);
+ y[k] = (QMF_RE(X[l][k]) - QMF_RE(X[l][31 - k]));
+ x[k] = (QMF_RE(X[l][k]) + QMF_RE(X[l][31 - k]));
#else
- x[k] = QMF_RE(X[l][k]) / 32.;
+ y[k] = (QMF_RE(X[l][k]) - QMF_RE(X[l][31 - k])) / 32.0;
+ x[k] = (QMF_RE(X[l][k]) + QMF_RE(X[l][31 - k])) / 32.0;
#endif
}
- for (n = 0; n < 32; n++)
- {
- y[2*n] = -x[2*n];
- y[2*n+1] = x[2*n+1];
- }
-
- DCT2_64_unscaled(x, x);
+ /* even n samples */
+ DCT2_16_unscaled(x, x);
+ /* odd n samples */
+ DCT4_16(y, y);
- for (n = 0; n < 64; n++)
+ for (n = 8; n < 24; n++)
{
- qmfs->v[0][n+32] = x[n];
+ qmfs->v[qmfs->v_index + n*2] = qmfs->v[qmfs->v_index + 640 + n*2] = x[n-8];
+ qmfs->v[qmfs->v_index + n*2+1] = qmfs->v[qmfs->v_index + 640 + n*2+1] = y[n-8];
}
- for (n = 0; n < 32; n++)
+ for (n = 0; n < 16; n++)
{
- qmfs->v[0][31 - n] = x[n + 1];
+ qmfs->v[qmfs->v_index + n] = qmfs->v[qmfs->v_index + 640 + n] = qmfs->v[qmfs->v_index + 32-n];
}
- DST2_64_unscaled(x, y);
- qmfs->v[0][96] = 0;
- for (n = 1; n < 32; n++)
+ qmfs->v[qmfs->v_index + 48] = qmfs->v[qmfs->v_index + 640 + 48] = 0;
+ for (n = 1; n < 16; n++)
{
- qmfs->v[0][n + 96] = x[n-1];
+ qmfs->v[qmfs->v_index + 48+n] = qmfs->v[qmfs->v_index + 640 + 48+n] = -qmfs->v[qmfs->v_index + 48-n];
}
- /* calculate 64 output samples and window */
- for (k = 0; k < 64; k++)
+ /* calculate 32 output samples and window */
+ for (k = 0; k < 32; k++)
{
-#if 1
- output[out++] = MUL_F(qmfs->v[0][k], qmf_c[k]) +
- MUL_F(qmfs->v[0][192 + k], qmf_c[64 + k]) +
- MUL_F(qmfs->v[0][256 + k], qmf_c[128 + k]) +
- MUL_F(qmfs->v[0][256 + 192 + k], qmf_c[128 + 64 + k]) +
- MUL_F(qmfs->v[0][512 + k], qmf_c[256 + k]) +
- MUL_F(qmfs->v[0][512 + 192 + k], qmf_c[256 + 64 + k]) +
- MUL_F(qmfs->v[0][768 + k], qmf_c[384 + k]) +
- MUL_F(qmfs->v[0][768 + 192 + k], qmf_c[384 + 64 + k]) +
- MUL_F(qmfs->v[0][1024 + k], qmf_c[512 + k]) +
- MUL_F(qmfs->v[0][1024 + 192 + k], qmf_c[512 + 64 + k]);
-#else
- output[out++] = MUL_F(v0[k], qmf_c[k]) +
- MUL_F(v0[64 + k], qmf_c[64 + k]) +
- MUL_F(v0[128 + k], qmf_c[128 + k]) +
- MUL_F(v0[192 + k], qmf_c[192 + k]) +
- MUL_F(v0[256 + k], qmf_c[256 + k]) +
- MUL_F(v0[320 + k], qmf_c[320 + k]) +
- MUL_F(v0[384 + k], qmf_c[384 + k]) +
- MUL_F(v0[448 + k], qmf_c[448 + k]) +
- MUL_F(v0[512 + k], qmf_c[512 + k]) +
- MUL_F(v0[576 + k], qmf_c[576 + k]);
-#endif
+ output[out++] = MUL_F(qmfs->v[qmfs->v_index + k], qmf_c[2*k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 96 + k], qmf_c[64 + 2*k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 128 + k], qmf_c[128 + 2*k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 224 + k], qmf_c[192 + 2*k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 256 + k], qmf_c[256 + 2*k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 352 + k], qmf_c[320 + 2*k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 384 + k], qmf_c[384 + 2*k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 480 + k], qmf_c[448 + 2*k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 512 + k], qmf_c[512 + 2*k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 608 + k], qmf_c[576 + 2*k]);
}
+
+ /* update the ringbuffer index */
+ qmfs->v_index -= 64;
+ if (qmfs->v_index < 0)
+ qmfs->v_index = (640-64);
}
}
-void sbr_qmf_synthesis_64_sse(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHFG][64],
- real_t *output)
+void sbr_qmf_synthesis_64(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHFG][64],
+ real_t *output)
{
ALIGN real_t x[64];
ALIGN real_t y[64];
- ALIGN real_t y2[64];
int16_t n, k, out = 0;
uint8_t l;
+
/* qmf subsample l */
for (l = 0; l < sbr->numTimeSlotsRate; l++)
{
- //real_t *v0, *v1;
-
/* shift buffers */
- //memmove(qmfs->v[0] + 64, qmfs->v[0], (640-64)*sizeof(real_t));
- //memmove(qmfs->v[1] + 64, qmfs->v[1], (640-64)*sizeof(real_t));
- memmove(qmfs->v[0] + 128, qmfs->v[0], (1280-128)*sizeof(real_t));
-
- //v0 = qmfs->v[qmfs->v_index];
- //v1 = qmfs->v[(qmfs->v_index + 1) & 0x1];
- //qmfs->v_index = (qmfs->v_index + 1) & 0x1;
+ /* we are not shifting v, it is a double ringbuffer */
+ //memmove(qmfs->v + 128, qmfs->v, (1280-128)*sizeof(real_t));
/* calculate 128 samples */
- for (k = 0; k < 64; k++)
+ for (k = 0; k < 32; k++)
{
#ifdef FIXED_POINT
- x[k] = QMF_RE(X[l][k]);
+ y[k] = (QMF_RE(X[l][k]) - QMF_RE(X[l][63 - k]));
+ x[k] = (QMF_RE(X[l][k]) + QMF_RE(X[l][63 - k]));
#else
- x[k] = QMF_RE(X[l][k]) / 32.;
+ y[k] = (QMF_RE(X[l][k]) - QMF_RE(X[l][63 - k])) / 32.0;
+ x[k] = (QMF_RE(X[l][k]) + QMF_RE(X[l][63 - k])) / 32.0;
#endif
}
- for (n = 0; n < 32; n++)
- {
- y[2*n] = -x[2*n];
- y[2*n+1] = x[2*n+1];
- }
-
- DCT2_64_unscaled(x, x);
+ /* even n samples */
+ DCT2_32_unscaled(x, x);
+ /* odd n samples */
+ DCT4_32(y, y);
- for (n = 0; n < 64; n++)
+ for (n = 16; n < 48; n++)
{
- qmfs->v[0][n+32] = x[n];
+ qmfs->v[qmfs->v_index + n*2] = qmfs->v[qmfs->v_index + 1280 + n*2] = x[n-16];
+ qmfs->v[qmfs->v_index + n*2+1] = qmfs->v[qmfs->v_index + 1280 + n*2+1] = y[n-16];
}
for (n = 0; n < 32; n++)
{
- qmfs->v[0][31 - n] = x[n + 1];
+ qmfs->v[qmfs->v_index + n] = qmfs->v[qmfs->v_index + 1280 + n] = qmfs->v[qmfs->v_index + 64-n];
}
-
- DST2_64_unscaled(x, y);
- qmfs->v[0][96] = 0;
+ qmfs->v[qmfs->v_index + 96] = qmfs->v[qmfs->v_index + 1280 + 96] = 0;
for (n = 1; n < 32; n++)
{
- qmfs->v[0][n + 96] = x[n-1];
+ qmfs->v[qmfs->v_index + 96+n] = qmfs->v[qmfs->v_index + 1280 + 96+n] = -qmfs->v[qmfs->v_index + 96-n];
}
/* calculate 64 output samples and window */
for (k = 0; k < 64; k++)
{
-#if 1
- output[out++] = MUL_F(qmfs->v[0][k], qmf_c[k]) +
- MUL_F(qmfs->v[0][192 + k], qmf_c[64 + k]) +
- MUL_F(qmfs->v[0][256 + k], qmf_c[128 + k]) +
- MUL_F(qmfs->v[0][256 + 192 + k], qmf_c[128 + 64 + k]) +
- MUL_F(qmfs->v[0][512 + k], qmf_c[256 + k]) +
- MUL_F(qmfs->v[0][512 + 192 + k], qmf_c[256 + 64 + k]) +
- MUL_F(qmfs->v[0][768 + k], qmf_c[384 + k]) +
- MUL_F(qmfs->v[0][768 + 192 + k], qmf_c[384 + 64 + k]) +
- MUL_F(qmfs->v[0][1024 + k], qmf_c[512 + k]) +
- MUL_F(qmfs->v[0][1024 + 192 + k], qmf_c[512 + 64 + k]);
-#else
- output[out++] = MUL_F(v0[k], qmf_c[k]) +
- MUL_F(v0[64 + k], qmf_c[64 + k]) +
- MUL_F(v0[128 + k], qmf_c[128 + k]) +
- MUL_F(v0[192 + k], qmf_c[192 + k]) +
- MUL_F(v0[256 + k], qmf_c[256 + k]) +
- MUL_F(v0[320 + k], qmf_c[320 + k]) +
- MUL_F(v0[384 + k], qmf_c[384 + k]) +
- MUL_F(v0[448 + k], qmf_c[448 + k]) +
- MUL_F(v0[512 + k], qmf_c[512 + k]) +
- MUL_F(v0[576 + k], qmf_c[576 + k]);
-#endif
+ output[out++] = MUL_F(qmfs->v[qmfs->v_index + k], qmf_c[k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 192 + k], qmf_c[64 + k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 256 + k], qmf_c[128 + k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 256 + 192 + k], qmf_c[128 + 64 + k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 512 + k], qmf_c[256 + k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 512 + 192 + k], qmf_c[256 + 64 + k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 768 + k], qmf_c[384 + k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 768 + 192 + k], qmf_c[384 + 64 + k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 1024 + k], qmf_c[512 + k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 1024 + 192 + k], qmf_c[512 + 64 + k]);
}
+
+ /* update the ringbuffer index */
+ qmfs->v_index -= 128;
+ if (qmfs->v_index < 0)
+ qmfs->v_index = (1280-128);
}
}
#else
-void sbr_qmf_synthesis_64(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHFG][64],
+void sbr_qmf_synthesis_32(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHFG][64],
real_t *output)
{
- ALIGN real_t x1[64], x2[64];
+ ALIGN real_t x1[32], x2[32];
+#ifndef FIXED_POINT
real_t scale = 1.f/64.f;
+#endif
int16_t n, k, out = 0;
uint8_t l;
@@ -382,79 +399,82 @@ void sbr_qmf_synthesis_64(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHFG][6
/* qmf subsample l */
for (l = 0; l < sbr->numTimeSlotsRate; l++)
{
- real_t *v0, *v1;
+ /* shift buffer v */
+ /* buffer is not shifted, we are using a ringbuffer */
+ //memmove(qmfs->v + 64, qmfs->v, (640-64)*sizeof(real_t));
- /* shift buffers */
- memmove(qmfs->v[0] + 64, qmfs->v[0], (640-64)*sizeof(real_t));
- memmove(qmfs->v[1] + 64, qmfs->v[1], (640-64)*sizeof(real_t));
-
- v0 = qmfs->v[qmfs->v_index];
- v1 = qmfs->v[(qmfs->v_index + 1) & 0x1];
- qmfs->v_index = (qmfs->v_index + 1) & 0x1;
-
- /* calculate 128 samples */
- x1[0] = scale*QMF_RE(X[l][0]);
- x2[63] = scale*QMF_IM(X[l][0]);
- for (k = 0; k < 31; k++)
+ /* calculate 64 samples */
+ /* complex pre-twiddle */
+ for (k = 0; k < 32; k++)
{
- x1[2*k+1] = scale*(QMF_RE(X[l][2*k+1]) - QMF_RE(X[l][2*k+2]));
- x1[2*k+2] = scale*(QMF_RE(X[l][2*k+1]) + QMF_RE(X[l][2*k+2]));
+ x1[k] = MUL_F(QMF_RE(X[l][k]), RE(qmf32_pre_twiddle[k])) - MUL_F(QMF_IM(X[l][k]), IM(qmf32_pre_twiddle[k]));
+ x2[k] = MUL_F(QMF_IM(X[l][k]), RE(qmf32_pre_twiddle[k])) + MUL_F(QMF_RE(X[l][k]), IM(qmf32_pre_twiddle[k]));
- x2[61 - 2*k] = scale*(QMF_IM(X[l][2*k+2]) - QMF_IM(X[l][2*k+1]));
- x2[62 - 2*k] = scale*(QMF_IM(X[l][2*k+2]) + QMF_IM(X[l][2*k+1]));
+#ifndef FIXED_POINT
+ x1[k] *= scale;
+ x2[k] *= scale;
+#else
+ x1[k] >>= 1;
+ x2[k] >>= 1;
+#endif
}
- x1[63] = scale*QMF_RE(X[l][63]);
- x2[0] = scale*QMF_IM(X[l][63]);
- DCT4_64_kernel(x1, x1);
- DCT4_64_kernel(x2, x2);
+ /* transform */
+ DCT4_32(x1, x1);
+ DST4_32(x2, x2);
for (n = 0; n < 32; n++)
{
- v0[ 2*n] = x2[2*n] - x1[2*n];
- v1[63-2*n] = x2[2*n] + x1[2*n];
- v0[ 2*n+1] = -x2[2*n+1] - x1[2*n+1];
- v1[62-2*n] = -x2[2*n+1] + x1[2*n+1];
+ qmfs->v[qmfs->v_index + n] = qmfs->v[qmfs->v_index + 640 + n] = -x1[n] + x2[n];
+ qmfs->v[qmfs->v_index + 63 - n] = qmfs->v[qmfs->v_index + 640 + 63 - n] = x1[n] + x2[n];
}
- /* calculate 64 output samples and window */
- for (k = 0; k < 64; k++)
+ /* calculate 32 output samples and window */
+ for (k = 0; k < 32; k++)
{
- output[out++] = MUL_F(v0[k], qmf_c[k]) +
- MUL_F(v0[64 + k], qmf_c[64 + k]) +
- MUL_F(v0[128 + k], qmf_c[128 + k]) +
- MUL_F(v0[192 + k], qmf_c[192 + k]) +
- MUL_F(v0[256 + k], qmf_c[256 + k]) +
- MUL_F(v0[320 + k], qmf_c[320 + k]) +
- MUL_F(v0[384 + k], qmf_c[384 + k]) +
- MUL_F(v0[448 + k], qmf_c[448 + k]) +
- MUL_F(v0[512 + k], qmf_c[512 + k]) +
- MUL_F(v0[576 + k], qmf_c[576 + k]);
+ output[out++] = MUL_F(qmfs->v[qmfs->v_index + k], qmf_c[2*k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 96 + k], qmf_c[64 + 2*k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 128 + k], qmf_c[128 + 2*k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 224 + k], qmf_c[192 + 2*k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 256 + k], qmf_c[256 + 2*k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 352 + k], qmf_c[320 + 2*k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 384 + k], qmf_c[384 + 2*k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 480 + k], qmf_c[448 + 2*k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 512 + k], qmf_c[512 + 2*k]) +
+ MUL_F(qmfs->v[qmfs->v_index + 608 + k], qmf_c[576 + 2*k]);
}
- }
-}
-#ifdef USE_SSE
-void memmove_sse_576(real_t *out, const real_t *in)
-{
- __m128 m[144];
- uint16_t i;
-
- for (i = 0; i < 144; i++)
- {
- m[i] = _mm_load_ps(&in[i*4]);
- }
- for (i = 0; i < 144; i++)
- {
- _mm_store_ps(&out[i*4], m[i]);
+ /* update ringbuffer index */
+ qmfs->v_index -= 64;
+ if (qmfs->v_index < 0)
+ qmfs->v_index = (640 - 64);
}
}
-void sbr_qmf_synthesis_64_sse(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHFG][64],
- real_t *output)
+void sbr_qmf_synthesis_64(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHFG][64],
+ real_t *output)
{
- ALIGN real_t x1[64], x2[64];
+// ALIGN real_t x1[64], x2[64];
+#ifndef SBR_LOW_POWER
+ ALIGN real_t in_real1[32], in_imag1[32], out_real1[32], out_imag1[32];
+ ALIGN real_t in_real2[32], in_imag2[32], out_real2[32], out_imag2[32];
+#endif
+ qmf_t * pX;
+ real_t * pring_buffer_1, * pring_buffer_3;
+// real_t * ptemp_1, * ptemp_2;
+#ifdef PREFER_POINTERS
+ // These pointers are used if target platform has autoinc address generators
+ real_t * pring_buffer_2, * pring_buffer_4;
+ real_t * pring_buffer_5, * pring_buffer_6;
+ real_t * pring_buffer_7, * pring_buffer_8;
+ real_t * pring_buffer_9, * pring_buffer_10;
+ const real_t * pqmf_c_1, * pqmf_c_2, * pqmf_c_3, * pqmf_c_4;
+ const real_t * pqmf_c_5, * pqmf_c_6, * pqmf_c_7, * pqmf_c_8;
+ const real_t * pqmf_c_9, * pqmf_c_10;
+#endif // #ifdef PREFER_POINTERS
+#ifndef FIXED_POINT
real_t scale = 1.f/64.f;
+#endif
int16_t n, k, out = 0;
uint8_t l;
@@ -462,99 +482,152 @@ void sbr_qmf_synthesis_64_sse(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHF
/* qmf subsample l */
for (l = 0; l < sbr->numTimeSlotsRate; l++)
{
- real_t *v0, *v1;
+ /* shift buffer v */
+ /* buffer is not shifted, we use double ringbuffer */
+ //memmove(qmfs->v + 128, qmfs->v, (1280-128)*sizeof(real_t));
- /* shift buffers */
- memmove_sse_576(qmfs->v[0] + 64, qmfs->v[0]);
- memmove_sse_576(qmfs->v[1] + 64, qmfs->v[1]);
+ /* calculate 128 samples */
+#ifndef FIXED_POINT
- v0 = qmfs->v[qmfs->v_index];
- v1 = qmfs->v[(qmfs->v_index + 1) & 0x1];
- qmfs->v_index = (qmfs->v_index + 1) & 0x1;
+ pX = X[l];
- /* calculate 128 samples */
- x1[0] = scale*QMF_RE(X[l][0]);
- x2[63] = scale*QMF_IM(X[l][0]);
- for (k = 0; k < 31; k++)
+ in_imag1[31] = scale*QMF_RE(pX[1]);
+ in_real1[0] = scale*QMF_RE(pX[0]);
+ in_imag2[31] = scale*QMF_IM(pX[63-1]);
+ in_real2[0] = scale*QMF_IM(pX[63-0]);
+ for (k = 1; k < 31; k++)
{
- x1[2*k+1] = scale*(QMF_RE(X[l][2*k+1]) - QMF_RE(X[l][2*k+2]));
- x1[2*k+2] = scale*(QMF_RE(X[l][2*k+1]) + QMF_RE(X[l][2*k+2]));
+ in_imag1[31 - k] = scale*QMF_RE(pX[2*k + 1]);
+ in_real1[ k] = scale*QMF_RE(pX[2*k ]);
+ in_imag2[31 - k] = scale*QMF_IM(pX[63 - (2*k + 1)]);
+ in_real2[ k] = scale*QMF_IM(pX[63 - (2*k )]);
+ }
+ in_imag1[0] = scale*QMF_RE(pX[63]);
+ in_real1[31] = scale*QMF_RE(pX[62]);
+ in_imag2[0] = scale*QMF_IM(pX[63-63]);
+ in_real2[31] = scale*QMF_IM(pX[63-62]);
+
+#else
- x2[61 - 2*k] = scale*(QMF_IM(X[l][2*k+2]) - QMF_IM(X[l][2*k+1]));
- x2[62 - 2*k] = scale*(QMF_IM(X[l][2*k+2]) + QMF_IM(X[l][2*k+1]));
+ pX = X[l];
+
+ in_imag1[31] = QMF_RE(pX[1]) >> 1;
+ in_real1[0] = QMF_RE(pX[0]) >> 1;
+ in_imag2[31] = QMF_IM(pX[62]) >> 1;
+ in_real2[0] = QMF_IM(pX[63]) >> 1;
+ for (k = 1; k < 31; k++)
+ {
+ in_imag1[31 - k] = QMF_RE(pX[2*k + 1]) >> 1;
+ in_real1[ k] = QMF_RE(pX[2*k ]) >> 1;
+ in_imag2[31 - k] = QMF_IM(pX[63 - (2*k + 1)]) >> 1;
+ in_real2[ k] = QMF_IM(pX[63 - (2*k )]) >> 1;
}
- x1[63] = scale*QMF_RE(X[l][63]);
- x2[0] = scale*QMF_IM(X[l][63]);
+ in_imag1[0] = QMF_RE(pX[63]) >> 1;
+ in_real1[31] = QMF_RE(pX[62]) >> 1;
+ in_imag2[0] = QMF_IM(pX[0]) >> 1;
+ in_real2[31] = QMF_IM(pX[1]) >> 1;
+
+#endif
- DCT4_64_kernel(x1, x1);
- DCT4_64_kernel(x2, x2);
+
+ // dct4_kernel is DCT_IV without reordering which is done before and after FFT
+ dct4_kernel(in_real1, in_imag1, out_real1, out_imag1);
+ dct4_kernel(in_real2, in_imag2, out_real2, out_imag2);
+
+
+ pring_buffer_1 = qmfs->v + qmfs->v_index;
+ pring_buffer_3 = pring_buffer_1 + 1280;
+#ifdef PREFER_POINTERS
+ pring_buffer_2 = pring_buffer_1 + 127;
+ pring_buffer_4 = pring_buffer_1 + (1280 + 127);
+#endif // #ifdef PREFER_POINTERS
+// ptemp_1 = x1;
+// ptemp_2 = x2;
+#ifdef PREFER_POINTERS
+ for (n = 0; n < 32; n ++)
+ {
+ //real_t x1 = *ptemp_1++;
+ //real_t x2 = *ptemp_2++;
+ // pring_buffer_3 and pring_buffer_4 are needed only for double ring buffer
+ *pring_buffer_1++ = *pring_buffer_3++ = out_real2[n] - out_real1[n];
+ *pring_buffer_2-- = *pring_buffer_4-- = out_real2[n] + out_real1[n];
+ //x1 = *ptemp_1++;
+ //x2 = *ptemp_2++;
+ *pring_buffer_1++ = *pring_buffer_3++ = out_imag2[31-n] + out_imag1[31-n];
+ *pring_buffer_2-- = *pring_buffer_4-- = out_imag2[31-n] - out_imag1[31-n];
+ }
+#else // #ifdef PREFER_POINTERS
for (n = 0; n < 32; n++)
{
- v0[ 2*n ] = x2[2*n] - x1[2*n];
- v1[63- 2*n ] = x2[2*n] + x1[2*n];
- v0[ 2*n+1 ] = -x2[2*n+1] - x1[2*n+1];
- v1[63-(2*n+1)] = -x2[2*n+1] + x1[2*n+1];
+ // pring_buffer_3 and pring_buffer_4 are needed only for double ring buffer
+ pring_buffer_1[2*n] = pring_buffer_3[2*n] = out_real2[n] - out_real1[n];
+ pring_buffer_1[127-2*n] = pring_buffer_3[127-2*n] = out_real2[n] + out_real1[n];
+ pring_buffer_1[2*n+1] = pring_buffer_3[2*n+1] = out_imag2[31-n] + out_imag1[31-n];
+ pring_buffer_1[127-(2*n+1)] = pring_buffer_3[127-(2*n+1)] = out_imag2[31-n] - out_imag1[31-n];
}
+#endif // #ifdef PREFER_POINTERS
+
+ pring_buffer_1 = qmfs->v + qmfs->v_index;
+#ifdef PREFER_POINTERS
+ pring_buffer_2 = pring_buffer_1 + 192;
+ pring_buffer_3 = pring_buffer_1 + 256;
+ pring_buffer_4 = pring_buffer_1 + (256 + 192);
+ pring_buffer_5 = pring_buffer_1 + 512;
+ pring_buffer_6 = pring_buffer_1 + (512 + 192);
+ pring_buffer_7 = pring_buffer_1 + 768;
+ pring_buffer_8 = pring_buffer_1 + (768 + 192);
+ pring_buffer_9 = pring_buffer_1 + 1024;
+ pring_buffer_10 = pring_buffer_1 + (1024 + 192);
+ pqmf_c_1 = qmf_c;
+ pqmf_c_2 = qmf_c + 64;
+ pqmf_c_3 = qmf_c + 128;
+ pqmf_c_4 = qmf_c + 192;
+ pqmf_c_5 = qmf_c + 256;
+ pqmf_c_6 = qmf_c + 320;
+ pqmf_c_7 = qmf_c + 384;
+ pqmf_c_8 = qmf_c + 448;
+ pqmf_c_9 = qmf_c + 512;
+ pqmf_c_10 = qmf_c + 576;
+#endif // #ifdef PREFER_POINTERS
+
/* calculate 64 output samples and window */
- for (k = 0; k < 64; k+=4)
+ for (k = 0; k < 64; k++)
{
- __m128 m0, m1, m2, m3, m4, m5, m6, m7, m8, m9;
- __m128 c0, c1, c2, c3, c4, c5, c6, c7, c8, c9;
- __m128 s1, s2, s3, s4, s5, s6, s7, s8, s9;
-
- m0 = _mm_load_ps(&v0[k]);
- m1 = _mm_load_ps(&v0[k + 64]);
- m2 = _mm_load_ps(&v0[k + 128]);
- m3 = _mm_load_ps(&v0[k + 192]);
- m4 = _mm_load_ps(&v0[k + 256]);
- c0 = _mm_load_ps(&qmf_c[k]);
- c1 = _mm_load_ps(&qmf_c[k + 64]);
- c2 = _mm_load_ps(&qmf_c[k + 128]);
- c3 = _mm_load_ps(&qmf_c[k + 192]);
- c4 = _mm_load_ps(&qmf_c[k + 256]);
-
- m0 = _mm_mul_ps(m0, c0);
- m1 = _mm_mul_ps(m1, c1);
- m2 = _mm_mul_ps(m2, c2);
- m3 = _mm_mul_ps(m3, c3);
- m4 = _mm_mul_ps(m4, c4);
-
- s1 = _mm_add_ps(m0, m1);
- s2 = _mm_add_ps(m2, m3);
- s6 = _mm_add_ps(s1, s2);
-
- m5 = _mm_load_ps(&v0[k + 320]);
- m6 = _mm_load_ps(&v0[k + 384]);
- m7 = _mm_load_ps(&v0[k + 448]);
- m8 = _mm_load_ps(&v0[k + 512]);
- m9 = _mm_load_ps(&v0[k + 576]);
- c5 = _mm_load_ps(&qmf_c[k + 320]);
- c6 = _mm_load_ps(&qmf_c[k + 384]);
- c7 = _mm_load_ps(&qmf_c[k + 448]);
- c8 = _mm_load_ps(&qmf_c[k + 512]);
- c9 = _mm_load_ps(&qmf_c[k + 576]);
-
- m5 = _mm_mul_ps(m5, c5);
- m6 = _mm_mul_ps(m6, c6);
- m7 = _mm_mul_ps(m7, c7);
- m8 = _mm_mul_ps(m8, c8);
- m9 = _mm_mul_ps(m9, c9);
-
- s3 = _mm_add_ps(m4, m5);
- s4 = _mm_add_ps(m6, m7);
- s5 = _mm_add_ps(m8, m9);
- s7 = _mm_add_ps(s3, s4);
- s8 = _mm_add_ps(s5, s6);
- s9 = _mm_add_ps(s7, s8);
-
- _mm_store_ps(&output[out], s9);
- out += 4;
+#ifdef PREFER_POINTERS
+ output[out++] =
+ MUL_F(*pring_buffer_1++, *pqmf_c_1++) +
+ MUL_F(*pring_buffer_2++, *pqmf_c_2++) +
+ MUL_F(*pring_buffer_3++, *pqmf_c_3++) +
+ MUL_F(*pring_buffer_4++, *pqmf_c_4++) +
+ MUL_F(*pring_buffer_5++, *pqmf_c_5++) +
+ MUL_F(*pring_buffer_6++, *pqmf_c_6++) +
+ MUL_F(*pring_buffer_7++, *pqmf_c_7++) +
+ MUL_F(*pring_buffer_8++, *pqmf_c_8++) +
+ MUL_F(*pring_buffer_9++, *pqmf_c_9++) +
+ MUL_F(*pring_buffer_10++, *pqmf_c_10++);
+#else // #ifdef PREFER_POINTERS
+ output[out++] =
+ MUL_F(pring_buffer_1[k+0], qmf_c[k+0]) +
+ MUL_F(pring_buffer_1[k+192], qmf_c[k+64]) +
+ MUL_F(pring_buffer_1[k+256], qmf_c[k+128]) +
+ MUL_F(pring_buffer_1[k+(256+192)], qmf_c[k+192]) +
+ MUL_F(pring_buffer_1[k+512], qmf_c[k+256]) +
+ MUL_F(pring_buffer_1[k+(512+192)], qmf_c[k+320]) +
+ MUL_F(pring_buffer_1[k+768], qmf_c[k+384]) +
+ MUL_F(pring_buffer_1[k+(768+192)], qmf_c[k+448]) +
+ MUL_F(pring_buffer_1[k+1024], qmf_c[k+512]) +
+ MUL_F(pring_buffer_1[k+(1024+192)], qmf_c[k+576]);
+#endif // #ifdef PREFER_POINTERS
}
+
+ /* update ringbuffer index */
+ qmfs->v_index -= 128;
+ if (qmfs->v_index < 0)
+ qmfs->v_index = (1280 - 128);
}
}
#endif
-#endif
#endif
diff --git a/src/libfaad/sbr_qmf.h b/src/libfaad/sbr_qmf.h
index cfb4f4f17..b1d673d9c 100644
--- a/src/libfaad/sbr_qmf.h
+++ b/src/libfaad/sbr_qmf.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_qmf.h,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_qmf.h,v 1.7 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __SBR_QMF_H__
@@ -38,13 +38,11 @@ qmfs_info *qmfs_init(uint8_t channels);
void qmfs_end(qmfs_info *qmfs);
void sbr_qmf_analysis_32(sbr_info *sbr, qmfa_info *qmfa, const real_t *input,
- qmf_t X[MAX_NTSRHFG][32], uint8_t offset, uint8_t kx);
+ qmf_t X[MAX_NTSRHFG][64], uint8_t offset, uint8_t kx);
+void sbr_qmf_synthesis_32(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHFG][64],
+ real_t *output);
void sbr_qmf_synthesis_64(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHFG][64],
real_t *output);
-#ifdef USE_SSE
-void sbr_qmf_synthesis_64_sse(sbr_info *sbr, qmfs_info *qmfs, qmf_t X[MAX_NTSRHFG][64],
- real_t *output);
-#endif
#ifdef __cplusplus
diff --git a/src/libfaad/sbr_qmf_c.h b/src/libfaad/sbr_qmf_c.h
index 1b9c19286..d9c079520 100644
--- a/src/libfaad/sbr_qmf_c.h
+++ b/src/libfaad/sbr_qmf_c.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_qmf_c.h,v 1.4 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_qmf_c.h,v 1.5 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __SBR_QMF_C_H__
@@ -199,7 +199,7 @@ ALIGN static const real_t qmf_c[640] = {
FRAC_CONST(0.84803157770763), FRAC_CONST(0.84978051984268),
FRAC_CONST(0.85119715249343), FRAC_CONST(0.85230470352147),
FRAC_CONST(0.85310209497017), FRAC_CONST(0.85357205739107),
- FRAC_CONST(0.85373856005937), FRAC_CONST(0.85357205739107),
+ FRAC_CONST(0.85373856005937 /*max*/), FRAC_CONST(0.85357205739107),
FRAC_CONST(0.85310209497017), FRAC_CONST(0.85230470352147),
FRAC_CONST(0.85119715249343), FRAC_CONST(0.84978051984268),
FRAC_CONST(0.84803157770763), FRAC_CONST(0.84598184698206),
diff --git a/src/libfaad/sbr_syntax.c b/src/libfaad/sbr_syntax.c
index ef649277f..19cb1b5c2 100644
--- a/src/libfaad/sbr_syntax.c
+++ b/src/libfaad/sbr_syntax.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_syntax.c,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_syntax.c,v 1.7 2005/10/29 23:57:07 tmmm Exp $
**/
#include "common.h"
@@ -47,6 +47,9 @@
/* static function declarations */
static void sbr_header(bitfile *ld, sbr_info *sbr);
+static uint8_t calc_sbr_tables(sbr_info *sbr, uint8_t start_freq, uint8_t stop_freq,
+ uint8_t samplerate_mode, uint8_t freq_scale,
+ uint8_t alter_scale, uint8_t xover_band);
static uint8_t sbr_data(bitfile *ld, sbr_info *sbr);
static uint16_t sbr_extension(bitfile *ld, sbr_info *sbr,
uint8_t bs_extension_id, uint16_t num_bits_left);
@@ -73,16 +76,6 @@ static void sbr_reset(sbr_info *sbr)
if ((sbr->bs_start_freq != sbr->bs_start_freq_prev) ||
(sbr->bs_stop_freq != sbr->bs_stop_freq_prev) ||
(sbr->bs_freq_scale != sbr->bs_freq_scale_prev) ||
- (sbr->bs_alter_scale != sbr->bs_alter_scale_prev))
- {
- sbr->Reset = 1;
- } else {
- sbr->Reset = 0;
- }
-
- if ((sbr->bs_start_freq != sbr->bs_start_freq_prev) ||
- (sbr->bs_stop_freq != sbr->bs_stop_freq_prev) ||
- (sbr->bs_freq_scale != sbr->bs_freq_scale_prev) ||
(sbr->bs_alter_scale != sbr->bs_alter_scale_prev) ||
(sbr->bs_xover_band != sbr->bs_xover_band_prev) ||
(sbr->bs_noise_bands != sbr->bs_noise_bands_prev))
@@ -98,11 +91,43 @@ static void sbr_reset(sbr_info *sbr)
sbr->bs_alter_scale_prev = sbr->bs_alter_scale;
sbr->bs_xover_band_prev = sbr->bs_xover_band;
sbr->bs_noise_bands_prev = sbr->bs_noise_bands;
+}
- if (sbr->frame == 0)
+static uint8_t calc_sbr_tables(sbr_info *sbr, uint8_t start_freq, uint8_t stop_freq,
+ uint8_t samplerate_mode, uint8_t freq_scale,
+ uint8_t alter_scale, uint8_t xover_band)
+{
+ uint8_t result = 0;
+ uint8_t k2;
+
+ /* calculate the Master Frequency Table */
+ sbr->k0 = qmf_start_channel(start_freq, samplerate_mode, sbr->sample_rate);
+ k2 = qmf_stop_channel(stop_freq, sbr->sample_rate, sbr->k0);
+
+ /* check k0 and k2 */
+ if (sbr->sample_rate >= 48000)
{
- sbr->Reset = 1;
+ if ((k2 - sbr->k0) > 32)
+ result += 1;
+ } else if (sbr->sample_rate <= 32000) {
+ if ((k2 - sbr->k0) > 48)
+ result += 1;
+ } else { /* (sbr->sample_rate == 44100) */
+ if ((k2 - sbr->k0) > 45)
+ result += 1;
}
+
+ if (freq_scale == 0)
+ {
+ result += master_frequency_table_fs0(sbr, sbr->k0, k2, alter_scale);
+ } else {
+ result += master_frequency_table(sbr, sbr->k0, k2, freq_scale, alter_scale);
+ }
+ result += derived_frequency_table(sbr, xover_band, k2);
+
+ result = (result > 0) ? 1 : 0;
+
+ return result;
}
/* table 2 */
@@ -112,6 +137,10 @@ uint8_t sbr_extension_data(bitfile *ld, sbr_info *sbr, uint16_t cnt)
uint16_t num_align_bits = 0;
uint16_t num_sbr_bits = (uint16_t)faad_get_processed_bits(ld);
+ uint8_t saved_start_freq, saved_samplerate_mode;
+ uint8_t saved_stop_freq, saved_freq_scale;
+ uint8_t saved_alter_scale, saved_xover_band;
+
#ifdef DRM
if (!sbr->Is_DRM_SBR)
#endif
@@ -126,6 +155,14 @@ uint8_t sbr_extension_data(bitfile *ld, sbr_info *sbr, uint16_t cnt)
}
}
+ /* save old header values, in case the new ones are corrupted */
+ saved_start_freq = sbr->bs_start_freq;
+ saved_samplerate_mode = sbr->bs_samplerate_mode;
+ saved_stop_freq = sbr->bs_stop_freq;
+ saved_freq_scale = sbr->bs_freq_scale;
+ saved_alter_scale = sbr->bs_alter_scale;
+ saved_xover_band = sbr->bs_xover_band;
+
sbr->bs_header_flag = faad_get1bit(ld
DEBUGVAR(1,200,"sbr_bitstream(): bs_header_flag"));
@@ -141,41 +178,40 @@ uint8_t sbr_extension_data(bitfile *ld, sbr_info *sbr, uint16_t cnt)
{
if (sbr->Reset || (sbr->bs_header_flag && sbr->just_seeked))
{
- uint8_t k2;
-
- /* calculate the Master Frequency Table */
- sbr->k0 = qmf_start_channel(sbr->bs_start_freq, sbr->bs_samplerate_mode,
- sbr->sample_rate);
- k2 = qmf_stop_channel(sbr->bs_stop_freq, sbr->sample_rate, sbr->k0);
+ uint8_t rt = calc_sbr_tables(sbr, sbr->bs_start_freq, sbr->bs_stop_freq,
+ sbr->bs_samplerate_mode, sbr->bs_freq_scale,
+ sbr->bs_alter_scale, sbr->bs_xover_band);
- /* check k0 and k2 */
- if (sbr->sample_rate >= 48000)
+ /* if an error occured with the new header values revert to the old ones */
+ if (rt > 0)
{
- if ((k2 - sbr->k0) > 32)
- result += 1;
- } else if (sbr->sample_rate <= 32000) {
- if ((k2 - sbr->k0) > 48)
- result += 1;
- } else { /* (sbr->sample_rate == 44100) */
- if ((k2 - sbr->k0) > 45)
- result += 1;
+ calc_sbr_tables(sbr, saved_start_freq, saved_stop_freq,
+ saved_samplerate_mode, saved_freq_scale,
+ saved_alter_scale, saved_xover_band);
}
+ }
+
+ if (result == 0)
+ {
+ result = sbr_data(ld, sbr);
- if (sbr->bs_freq_scale == 0)
+ /* sbr_data() returning an error means that there was an error in
+ envelope_time_border_vector().
+ In this case the old time border vector is saved and all the previous
+ data normally read after sbr_grid() is saved.
+ */
+ /* to be on the safe side, calculate old sbr tables in case of error */
+ if ((result > 0) &&
+ (sbr->Reset || (sbr->bs_header_flag && sbr->just_seeked)))
{
- result += master_frequency_table_fs0(sbr, sbr->k0, k2,
- sbr->bs_alter_scale);
- } else {
- result += master_frequency_table(sbr, sbr->k0, k2, sbr->bs_freq_scale,
- sbr->bs_alter_scale);
+ calc_sbr_tables(sbr, saved_start_freq, saved_stop_freq,
+ saved_samplerate_mode, saved_freq_scale,
+ saved_alter_scale, saved_xover_band);
}
- result += derived_frequency_table(sbr, sbr->bs_xover_band, k2);
- result = (result > 0) ? 1 : 0;
+ /* we should be able to safely set result to 0 now */
+ result = 0;
}
-
- if (result == 0)
- result = sbr_data(ld, sbr);
} else {
result = 1;
}
@@ -185,6 +221,11 @@ uint8_t sbr_extension_data(bitfile *ld, sbr_info *sbr, uint16_t cnt)
#endif
{
num_sbr_bits = (uint16_t)faad_get_processed_bits(ld) - num_sbr_bits;
+
+ /* check if we read more bits then were available for sbr */
+ if (8*cnt < num_sbr_bits)
+ return 1;
+
/* -4 does not apply, bs_extension_type is re-read in this function */
num_align_bits = 8*cnt /*- 4*/ - num_sbr_bits;
@@ -333,7 +374,9 @@ static uint8_t sbr_single_channel_element(bitfile *ld, sbr_info *sbr)
sbr_envelope(ld, sbr, 0);
sbr_noise(ld, sbr, 0);
+#ifndef FIXED_POINT
envelope_noise_dequantisation(sbr, 0);
+#endif
memset(sbr->bs_add_harmonic[0], 0, 64*sizeof(uint8_t));
@@ -344,9 +387,13 @@ static uint8_t sbr_single_channel_element(bitfile *ld, sbr_info *sbr)
sbr->bs_extended_data = faad_get1bit(ld
DEBUGVAR(1,224,"sbr_single_channel_element(): bs_extended_data[0]"));
+
if (sbr->bs_extended_data)
{
uint16_t nr_bits_left;
+#if (defined(PS_DEC) || defined(DRM_PS))
+ uint8_t ps_ext_read = 0;
+#endif
uint16_t cnt = (uint16_t)faad_getbits(ld, 4
DEBUGVAR(1,225,"sbr_single_channel_element(): bs_extension_size"));
if (cnt == 15)
@@ -358,10 +405,44 @@ static uint8_t sbr_single_channel_element(bitfile *ld, sbr_info *sbr)
nr_bits_left = 8 * cnt;
while (nr_bits_left > 7)
{
+ uint16_t tmp_nr_bits = 0;
+
sbr->bs_extension_id = (uint8_t)faad_getbits(ld, 2
DEBUGVAR(1,227,"sbr_single_channel_element(): bs_extension_id"));
- nr_bits_left -= 2;
- nr_bits_left -= sbr_extension(ld, sbr, sbr->bs_extension_id, nr_bits_left);
+ tmp_nr_bits += 2;
+
+ /* allow only 1 PS extension element per extension data */
+#if (defined(PS_DEC) || defined(DRM_PS))
+#if (defined(PS_DEC) && defined(DRM_PS))
+ if (sbr->bs_extension_id == EXTENSION_ID_PS || sbr->bs_extension_id == DRM_PARAMETRIC_STEREO)
+#else
+#ifdef PS_DEC
+ if (sbr->bs_extension_id == EXTENSION_ID_PS)
+#else
+#ifdef DRM_PS
+ if (sbr->bs_extension_id == DRM_PARAMETRIC_STEREO)
+#endif
+#endif
+#endif
+ {
+ if (ps_ext_read == 0)
+ {
+ ps_ext_read = 1;
+ } else {
+ /* to be safe make it 3, will switch to "default"
+ * in sbr_extension() */
+ sbr->bs_extension_id = 3;
+ }
+ }
+#endif
+
+ tmp_nr_bits += sbr_extension(ld, sbr, sbr->bs_extension_id, nr_bits_left);
+
+ /* check if the data read is bigger than the number of available bits */
+ if (tmp_nr_bits > nr_bits_left)
+ return 1;
+
+ nr_bits_left -= tmp_nr_bits;
}
/* Corrigendum */
@@ -437,10 +518,31 @@ static uint8_t sbr_channel_pair_element(bitfile *ld, sbr_info *sbr)
if (sbr->bs_add_harmonic_flag[1])
sinusoidal_coding(ld, sbr, 1);
} else {
+ uint8_t saved_t_E[6] = {0}, saved_t_Q[3] = {0};
+ uint8_t saved_L_E = sbr->L_E[0];
+ uint8_t saved_L_Q = sbr->L_Q[0];
+ uint8_t saved_frame_class = sbr->bs_frame_class[0];
+
+ for (n = 0; n < saved_L_E; n++)
+ saved_t_E[n] = sbr->t_E[0][n];
+ for (n = 0; n < saved_L_Q; n++)
+ saved_t_Q[n] = sbr->t_Q[0][n];
+
if ((result = sbr_grid(ld, sbr, 0)) > 0)
return result;
if ((result = sbr_grid(ld, sbr, 1)) > 0)
+ {
+ /* restore first channel data as well */
+ sbr->bs_frame_class[0] = saved_frame_class;
+ sbr->L_E[0] = saved_L_E;
+ sbr->L_Q[0] = saved_L_Q;
+ for (n = 0; n < 6; n++)
+ sbr->t_E[0][n] = saved_t_E[n];
+ for (n = 0; n < 3; n++)
+ sbr->t_Q[0][n] = saved_t_Q[n];
+
return result;
+ }
sbr_dtdf(ld, sbr, 0);
sbr_dtdf(ld, sbr, 1);
invf_mode(ld, sbr, 0);
@@ -463,11 +565,13 @@ static uint8_t sbr_channel_pair_element(bitfile *ld, sbr_info *sbr)
if (sbr->bs_add_harmonic_flag[1])
sinusoidal_coding(ld, sbr, 1);
}
+#ifndef FIXED_POINT
envelope_noise_dequantisation(sbr, 0);
envelope_noise_dequantisation(sbr, 1);
if (sbr->bs_coupling)
unmap_envelope_noise(sbr);
+#endif
sbr->bs_extended_data = faad_get1bit(ld
DEBUGVAR(1,233,"sbr_channel_pair_element(): bs_extended_data[0]"));
@@ -485,10 +589,18 @@ static uint8_t sbr_channel_pair_element(bitfile *ld, sbr_info *sbr)
nr_bits_left = 8 * cnt;
while (nr_bits_left > 7)
{
+ uint16_t tmp_nr_bits = 0;
+
sbr->bs_extension_id = (uint8_t)faad_getbits(ld, 2
DEBUGVAR(1,236,"sbr_channel_pair_element(): bs_extension_id"));
- nr_bits_left -= 2;
- sbr_extension(ld, sbr, sbr->bs_extension_id, nr_bits_left);
+ tmp_nr_bits += 2;
+ tmp_nr_bits += sbr_extension(ld, sbr, sbr->bs_extension_id, nr_bits_left);
+
+ /* check if the data read is bigger than the number of available bits */
+ if (tmp_nr_bits > nr_bits_left)
+ return 1;
+
+ nr_bits_left -= tmp_nr_bits;
}
/* Corrigendum */
@@ -519,6 +631,9 @@ static uint8_t sbr_grid(bitfile *ld, sbr_info *sbr, uint8_t ch)
uint8_t i, env, rel, result;
uint8_t bs_abs_bord, bs_abs_bord_1;
uint8_t bs_num_env = 0;
+ uint8_t saved_L_E = sbr->L_E[ch];
+ uint8_t saved_L_Q = sbr->L_Q[ch];
+ uint8_t saved_frame_class = sbr->bs_frame_class[ch];
sbr->bs_frame_class[ch] = (uint8_t)faad_getbits(ld, 2
DEBUGVAR(1,248,"sbr_grid(): bs_frame_class"));
@@ -650,9 +765,21 @@ static uint8_t sbr_grid(bitfile *ld, sbr_info *sbr, uint8_t ch)
/* TODO: this code can probably be integrated into the code above! */
if ((result = envelope_time_border_vector(sbr, ch)) > 0)
+ {
+ sbr->bs_frame_class[ch] = saved_frame_class;
+ sbr->L_E[ch] = saved_L_E;
+ sbr->L_Q[ch] = saved_L_Q;
return result;
+ }
noise_floor_time_border_vector(sbr, ch);
+#if 0
+ for (env = 0; env < bs_num_env; env++)
+ {
+ printf("freq_res[ch:%d][env:%d]: %d\n", ch, env, sbr->f[ch][env]);
+ }
+#endif
+
return 0;
}
@@ -689,17 +816,37 @@ static void invf_mode(bitfile *ld, sbr_info *sbr, uint8_t ch)
static uint16_t sbr_extension(bitfile *ld, sbr_info *sbr,
uint8_t bs_extension_id, uint16_t num_bits_left)
{
+#ifdef PS_DEC
+ uint8_t header;
+ uint16_t ret;
+#endif
+
switch (bs_extension_id)
{
#ifdef PS_DEC
case EXTENSION_ID_PS:
- sbr->ps_used = 1;
- return ps_data(&(sbr->ps), ld);
+ if (!sbr->ps)
+ {
+ sbr->ps = ps_init(get_sr_index(sbr->sample_rate));
+ }
+ ret = ps_data(sbr->ps, ld, &header);
+
+ /* enable PS if and only if: a header has been decoded */
+ if (sbr->ps_used == 0 && header == 1)
+ {
+ sbr->ps_used = 1;
+ }
+
+ return ret;
#endif
#ifdef DRM_PS
case DRM_PARAMETRIC_STEREO:
sbr->ps_used = 1;
- return drm_ps_data(&(sbr->drm_ps), ld);
+ if (!sbr->drm_ps)
+ {
+ sbr->drm_ps = drm_ps_init();
+ }
+ return drm_ps_data(sbr->drm_ps, ld);
#endif
default:
sbr->bs_extension_data = (uint8_t)faad_getbits(ld, 6
diff --git a/src/libfaad/sbr_syntax.h b/src/libfaad/sbr_syntax.h
index 85b6a1b43..1baa5fec3 100644
--- a/src/libfaad/sbr_syntax.h
+++ b/src/libfaad/sbr_syntax.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_syntax.h,v 1.6 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_syntax.h,v 1.7 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __SBR_SYNTAX_H__
diff --git a/src/libfaad/sbr_tf_grid.c b/src/libfaad/sbr_tf_grid.c
index db5fc4e2b..ae741c256 100644
--- a/src/libfaad/sbr_tf_grid.c
+++ b/src/libfaad/sbr_tf_grid.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_tf_grid.c,v 1.4 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_tf_grid.c,v 1.5 2005/10/29 23:57:07 tmmm Exp $
**/
/* Time/Frequency grid */
@@ -46,17 +46,15 @@ static int16_t rel_bord_trail(sbr_info *sbr, uint8_t ch, uint8_t l);
static uint8_t middleBorder(sbr_info *sbr, uint8_t ch);
+/* function constructs new time border vector */
+/* first build into temp vector to be able to use previous vector on error */
uint8_t envelope_time_border_vector(sbr_info *sbr, uint8_t ch)
{
uint8_t l, border, temp;
+ uint8_t t_E_temp[6] = {0};
- for (l = 0; l <= sbr->L_E[ch]; l++)
- {
- sbr->t_E[ch][l] = 0;
- }
-
- sbr->t_E[ch][0] = sbr->rate * sbr->abs_bord_lead[ch];
- sbr->t_E[ch][sbr->L_E[ch]] = sbr->rate * sbr->abs_bord_trail[ch];
+ t_E_temp[0] = sbr->rate * sbr->abs_bord_lead[ch];
+ t_E_temp[sbr->L_E[ch]] = sbr->rate * sbr->abs_bord_trail[ch];
switch (sbr->bs_frame_class[ch])
{
@@ -65,12 +63,12 @@ uint8_t envelope_time_border_vector(sbr_info *sbr, uint8_t ch)
{
case 4:
temp = (int) (sbr->numTimeSlots / 4);
- sbr->t_E[ch][3] = sbr->rate * 3 * temp;
- sbr->t_E[ch][2] = sbr->rate * 2 * temp;
- sbr->t_E[ch][1] = sbr->rate * temp;
+ t_E_temp[3] = sbr->rate * 3 * temp;
+ t_E_temp[2] = sbr->rate * 2 * temp;
+ t_E_temp[1] = sbr->rate * temp;
break;
case 2:
- sbr->t_E[ch][1] = sbr->rate * (int) (sbr->numTimeSlots / 2);
+ t_E_temp[1] = sbr->rate * (int) (sbr->numTimeSlots / 2);
break;
default:
break;
@@ -89,7 +87,7 @@ uint8_t envelope_time_border_vector(sbr_info *sbr, uint8_t ch)
return 1;
border -= sbr->bs_rel_bord[ch][l];
- sbr->t_E[ch][--i] = sbr->rate * border;
+ t_E_temp[--i] = sbr->rate * border;
}
}
break;
@@ -107,7 +105,7 @@ uint8_t envelope_time_border_vector(sbr_info *sbr, uint8_t ch)
if (sbr->rate * border + sbr->tHFAdj > sbr->numTimeSlotsRate+sbr->tHFGen)
return 1;
- sbr->t_E[ch][i++] = sbr->rate * border;
+ t_E_temp[i++] = sbr->rate * border;
}
}
break;
@@ -125,7 +123,7 @@ uint8_t envelope_time_border_vector(sbr_info *sbr, uint8_t ch)
if (sbr->rate * border + sbr->tHFAdj > sbr->numTimeSlotsRate+sbr->tHFGen)
return 1;
- sbr->t_E[ch][i++] = sbr->rate * border;
+ t_E_temp[i++] = sbr->rate * border;
}
}
@@ -140,12 +138,18 @@ uint8_t envelope_time_border_vector(sbr_info *sbr, uint8_t ch)
return 1;
border -= sbr->bs_rel_bord_1[ch][l];
- sbr->t_E[ch][--i] = sbr->rate * border;
+ t_E_temp[--i] = sbr->rate * border;
}
}
break;
}
+ /* no error occured, we can safely use this t_E vector */
+ for (l = 0; l < 6; l++)
+ {
+ sbr->t_E[ch][l] = t_E_temp[l];
+ }
+
return 0;
}
diff --git a/src/libfaad/sbr_tf_grid.h b/src/libfaad/sbr_tf_grid.h
index cf9749805..8772a384a 100644
--- a/src/libfaad/sbr_tf_grid.h
+++ b/src/libfaad/sbr_tf_grid.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sbr_tf_grid.h,v 1.4 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sbr_tf_grid.h,v 1.5 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __SBR_TF_GRID_H__
diff --git a/src/libfaad/sine_win.h b/src/libfaad/sine_win.h
index b5dfd6815..c7e6ecd6e 100644
--- a/src/libfaad/sine_win.h
+++ b/src/libfaad/sine_win.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: sine_win.h,v 1.5 2004/12/03 01:15:30 tmattern Exp $
+** $Id: sine_win.h,v 1.6 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __SINE_WIN_H__
diff --git a/src/libfaad/specrec.c b/src/libfaad/specrec.c
index f56144807..9ecdd7949 100644
--- a/src/libfaad/specrec.c
+++ b/src/libfaad/specrec.c
@@ -1,19 +1,19 @@
/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
-**
+**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
-**
+**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
-**
+**
** You should have received a copy of the GNU General Public License
-** along with this program; if not, write to the Free Software
+** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
** Any non-GPL usage of this software or parts of this software is strictly
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: specrec.c,v 1.8 2004/12/03 01:15:31 tmattern Exp $
+** $Id: specrec.c,v 1.9 2005/10/29 23:57:07 tmmm Exp $
**/
/*
@@ -38,6 +38,7 @@
#include <string.h>
#include <stdlib.h>
#include "specrec.h"
+#include "filtbank.h"
#include "syntax.h"
#include "iq_table.h"
#include "ms.h"
@@ -54,8 +55,9 @@
/* static function declarations */
-static void quant_to_spec(ic_stream *ics, real_t *spec_data, uint16_t frame_len);
-static uint8_t inverse_quantization(real_t *x_invquant, const int16_t *x_quant, const uint16_t frame_len);
+static uint8_t quant_to_spec(NeAACDecHandle hDecoder,
+ ic_stream *ics, int16_t *quant_data,
+ real_t *spec_data, uint16_t frame_len);
#ifdef LD_DEC
@@ -295,7 +297,7 @@ ALIGN static const uint16_t *swb_offset_128_window[] =
in section named section. This offset depends on window_sequence and
scale_factor_grouping and is needed to decode the spectral_data().
*/
-uint8_t window_grouping_info(faacDecHandle hDecoder, ic_stream *ics)
+uint8_t window_grouping_info(NeAACDecHandle hDecoder, ic_stream *ics)
{
uint8_t i, g;
@@ -407,75 +409,24 @@ uint8_t window_grouping_info(faacDecHandle hDecoder, ic_stream *ics)
}
}
-/*
- For ONLY_LONG_SEQUENCE windows (num_window_groups = 1,
- window_group_length[0] = 1) the spectral data is in ascending spectral
- order.
- For the EIGHT_SHORT_SEQUENCE window, the spectral order depends on the
- grouping in the following manner:
- - Groups are ordered sequentially
- - Within a group, a scalefactor band consists of the spectral data of all
- grouped SHORT_WINDOWs for the associated scalefactor window band. To
- clarify via example, the length of a group is in the range of one to eight
- SHORT_WINDOWs.
- - If there are eight groups each with length one (num_window_groups = 8,
- window_group_length[0..7] = 1), the result is a sequence of eight spectra,
- each in ascending spectral order.
- - If there is only one group with length eight (num_window_groups = 1,
- window_group_length[0] = 8), the result is that spectral data of all eight
- SHORT_WINDOWs is interleaved by scalefactor window bands.
- - Within a scalefactor window band, the coefficients are in ascending
- spectral order.
-*/
-static void quant_to_spec(ic_stream *ics, real_t *spec_data, uint16_t frame_len)
-{
- uint8_t g, sfb, win;
- uint16_t width, bin, k, gindex;
-
- ALIGN real_t tmp_spec[1024] = {0};
-
- k = 0;
- gindex = 0;
-
- for (g = 0; g < ics->num_window_groups; g++)
- {
- uint16_t j = 0;
- uint16_t gincrease = 0;
- uint16_t win_inc = ics->swb_offset[ics->num_swb];
-
- for (sfb = 0; sfb < ics->num_swb; sfb++)
- {
- width = ics->swb_offset[sfb+1] - ics->swb_offset[sfb];
-
- for (win = 0; win < ics->window_group_length[g]; win++)
- {
- for (bin = 0; bin < width; bin += 4)
- {
- tmp_spec[gindex+(win*win_inc)+j+bin+0] = spec_data[k+0];
- tmp_spec[gindex+(win*win_inc)+j+bin+1] = spec_data[k+1];
- tmp_spec[gindex+(win*win_inc)+j+bin+2] = spec_data[k+2];
- tmp_spec[gindex+(win*win_inc)+j+bin+3] = spec_data[k+3];
- gincrease += 4;
- k += 4;
- }
- }
- j += width;
- }
- gindex += gincrease;
- }
-
- memcpy(spec_data, tmp_spec, frame_len*sizeof(real_t));
-}
-
+/* iquant() *
+/* output = sign(input)*abs(input)^(4/3) */
+/**/
static INLINE real_t iquant(int16_t q, const real_t *tab, uint8_t *error)
{
#ifdef FIXED_POINT
+/* For FIXED_POINT the iq_table is prescaled by 3 bits (iq_table[]/8) */
+/* BIG_IQ_TABLE allows you to use the full 8192 value table, if this is not
+ * defined a 1026 value table and interpolation will be used
+ */
+#ifndef BIG_IQ_TABLE
static const real_t errcorr[] = {
REAL_CONST(0), REAL_CONST(1.0/8.0), REAL_CONST(2.0/8.0), REAL_CONST(3.0/8.0),
REAL_CONST(4.0/8.0), REAL_CONST(5.0/8.0), REAL_CONST(6.0/8.0), REAL_CONST(7.0/8.0),
REAL_CONST(0)
};
real_t x1, x2;
+#endif
int16_t sgn = 1;
if (q < 0)
@@ -485,13 +436,32 @@ static INLINE real_t iquant(int16_t q, const real_t *tab, uint8_t *error)
}
if (q < IQ_TABLE_SIZE)
+ {
+//#define IQUANT_PRINT
+#ifdef IQUANT_PRINT
+ //printf("0x%.8X\n", sgn * tab[q]);
+ printf("%d\n", sgn * tab[q]);
+#endif
return sgn * tab[q];
+ }
+
+#ifndef BIG_IQ_TABLE
+ if (q >= 8192)
+ {
+ *error = 17;
+ return 0;
+ }
/* linear interpolation */
x1 = tab[q>>3];
x2 = tab[(q>>3) + 1];
return sgn * 16 * (MUL_R(errcorr[q&7],(x2-x1)) + x1);
#else
+ *error = 17;
+ return 0;
+#endif
+
+#else
if (q < 0)
{
/* tab contains a value for all possible q [0,8192] */
@@ -511,23 +481,6 @@ static INLINE real_t iquant(int16_t q, const real_t *tab, uint8_t *error)
#endif
}
-static uint8_t inverse_quantization(real_t *x_invquant, const int16_t *x_quant, const uint16_t frame_len)
-{
- int16_t i;
- uint8_t error = 0; /* Init error flag */
- const real_t *tab = iq_table;
-
- for (i = 0; i < frame_len; i+=4)
- {
- x_invquant[i] = iquant(x_quant[i], tab, &error);
- x_invquant[i+1] = iquant(x_quant[i+1], tab, &error);
- x_invquant[i+2] = iquant(x_quant[i+2], tab, &error);
- x_invquant[i+3] = iquant(x_quant[i+3], tab, &error);
- }
-
- return error;
-}
-
#ifndef FIXED_POINT
ALIGN static const real_t pow2sf_tab[] = {
2.9802322387695313E-008, 5.9604644775390625E-008, 1.1920928955078125E-007,
@@ -554,39 +507,63 @@ ALIGN static const real_t pow2sf_tab[] = {
};
#endif
-ALIGN static real_t pow2_table[] =
+/* quant_to_spec: perform dequantisation and scaling
+ * and in case of short block it also does the deinterleaving
+ */
+/*
+ For ONLY_LONG_SEQUENCE windows (num_window_groups = 1,
+ window_group_length[0] = 1) the spectral data is in ascending spectral
+ order.
+ For the EIGHT_SHORT_SEQUENCE window, the spectral order depends on the
+ grouping in the following manner:
+ - Groups are ordered sequentially
+ - Within a group, a scalefactor band consists of the spectral data of all
+ grouped SHORT_WINDOWs for the associated scalefactor window band. To
+ clarify via example, the length of a group is in the range of one to eight
+ SHORT_WINDOWs.
+ - If there are eight groups each with length one (num_window_groups = 8,
+ window_group_length[0..7] = 1), the result is a sequence of eight spectra,
+ each in ascending spectral order.
+ - If there is only one group with length eight (num_window_groups = 1,
+ window_group_length[0] = 8), the result is that spectral data of all eight
+ SHORT_WINDOWs is interleaved by scalefactor window bands.
+ - Within a scalefactor window band, the coefficients are in ascending
+ spectral order.
+*/
+static uint8_t quant_to_spec(NeAACDecHandle hDecoder,
+ ic_stream *ics, int16_t *quant_data,
+ real_t *spec_data, uint16_t frame_len)
{
-#if 0
- COEF_CONST(0.59460355750136053335874998528024), /* 2^-0.75 */
- COEF_CONST(0.70710678118654752440084436210485), /* 2^-0.5 */
- COEF_CONST(0.84089641525371454303112547623321), /* 2^-0.25 */
+ ALIGN static const real_t pow2_table[] =
+ {
+ COEF_CONST(1.0),
+ COEF_CONST(1.1892071150027210667174999705605), /* 2^0.25 */
+ COEF_CONST(1.4142135623730950488016887242097), /* 2^0.5 */
+ COEF_CONST(1.6817928305074290860622509524664) /* 2^0.75 */
+ };
+ const real_t *tab = iq_table;
+
+ uint8_t g, sfb, win;
+ uint16_t width, bin, k, gindex, wa, wb;
+ uint8_t error = 0; /* Init error flag */
+#ifndef FIXED_POINT
+ real_t scf;
#endif
- COEF_CONST(1.0),
- COEF_CONST(1.1892071150027210667174999705605), /* 2^0.25 */
- COEF_CONST(1.4142135623730950488016887242097), /* 2^0.5 */
- COEF_CONST(1.6817928305074290860622509524664) /* 2^0.75 */
-};
-void apply_scalefactors(faacDecHandle hDecoder, ic_stream *ics,
- real_t *x_invquant, uint16_t frame_len)
-{
- uint8_t g, sfb;
- uint16_t top;
- int32_t exp, frac;
- uint8_t groups = 0;
- uint16_t nshort = frame_len/8;
+ k = 0;
+ gindex = 0;
for (g = 0; g < ics->num_window_groups; g++)
{
- uint16_t k = 0;
+ uint16_t j = 0;
+ uint16_t gincrease = 0;
+ uint16_t win_inc = ics->swb_offset[ics->num_swb];
- /* using this nshort*groups doesn't hurt long blocks, because
- long blocks only have 1 group, so that means 'groups' is
- always 0 for long blocks
- */
- for (sfb = 0; sfb < ics->max_sfb; sfb++)
+ for (sfb = 0; sfb < ics->num_swb; sfb++)
{
- top = ics->sect_sfb_offset[g][sfb+1];
+ int32_t exp, frac;
+
+ width = ics->swb_offset[sfb+1] - ics->swb_offset[sfb];
/* this could be scalefactor for IS or PNS, those can be negative or bigger then 255 */
/* just ignore them */
@@ -597,6 +574,7 @@ void apply_scalefactors(faacDecHandle hDecoder, ic_stream *ics,
} else {
/* ics->scale_factors[g][sfb] must be between 0 and 255 */
exp = (ics->scale_factors[g][sfb] /* - 100 */) >> 2;
+ /* frac must always be > 0 */
frac = (ics->scale_factors[g][sfb] /* - 100 */) & 3;
}
@@ -614,81 +592,79 @@ void apply_scalefactors(faacDecHandle hDecoder, ic_stream *ics,
}
#endif
- /* minimum size of a sf band is 4 and always a multiple of 4 */
- for ( ; k < top; k += 4)
+ wa = gindex + j;
+
+#ifndef FIXED_POINT
+ scf = pow2sf_tab[exp/*+25*/] * pow2_table[frac];
+#endif
+
+ for (win = 0; win < ics->window_group_length[g]; win++)
{
-#ifdef FIXED_POINT
- if (exp < 0)
+ for (bin = 0; bin < width; bin += 4)
{
- x_invquant[k+(groups*nshort)] >>= -exp;
- x_invquant[k+(groups*nshort)+1] >>= -exp;
- x_invquant[k+(groups*nshort)+2] >>= -exp;
- x_invquant[k+(groups*nshort)+3] >>= -exp;
- } else {
- x_invquant[k+(groups*nshort)] <<= exp;
- x_invquant[k+(groups*nshort)+1] <<= exp;
- x_invquant[k+(groups*nshort)+2] <<= exp;
- x_invquant[k+(groups*nshort)+3] <<= exp;
- }
+#ifndef FIXED_POINT
+ wb = wa + bin;
+
+ spec_data[wb+0] = iquant(quant_data[k+0], tab, &error) * scf;
+ spec_data[wb+1] = iquant(quant_data[k+1], tab, &error) * scf;
+ spec_data[wb+2] = iquant(quant_data[k+2], tab, &error) * scf;
+ spec_data[wb+3] = iquant(quant_data[k+3], tab, &error) * scf;
+
#else
- x_invquant[k+(groups*nshort)] = x_invquant[k+(groups*nshort)] * pow2sf_tab[exp/*+25*/];
- x_invquant[k+(groups*nshort)+1] = x_invquant[k+(groups*nshort)+1] * pow2sf_tab[exp/*+25*/];
- x_invquant[k+(groups*nshort)+2] = x_invquant[k+(groups*nshort)+2] * pow2sf_tab[exp/*+25*/];
- x_invquant[k+(groups*nshort)+3] = x_invquant[k+(groups*nshort)+3] * pow2sf_tab[exp/*+25*/];
+ real_t iq0 = iquant(quant_data[k+0], tab, &error);
+ real_t iq1 = iquant(quant_data[k+1], tab, &error);
+ real_t iq2 = iquant(quant_data[k+2], tab, &error);
+ real_t iq3 = iquant(quant_data[k+3], tab, &error);
+
+ wb = wa + bin;
+
+ if (exp < 0)
+ {
+ spec_data[wb+0] = iq0 >>= -exp;
+ spec_data[wb+1] = iq1 >>= -exp;
+ spec_data[wb+2] = iq2 >>= -exp;
+ spec_data[wb+3] = iq3 >>= -exp;
+ } else {
+ spec_data[wb+0] = iq0 <<= exp;
+ spec_data[wb+1] = iq1 <<= exp;
+ spec_data[wb+2] = iq2 <<= exp;
+ spec_data[wb+3] = iq3 <<= exp;
+ }
+ if (frac != 0)
+ {
+ spec_data[wb+0] = MUL_C(spec_data[wb+0],pow2_table[frac]);
+ spec_data[wb+1] = MUL_C(spec_data[wb+1],pow2_table[frac]);
+ spec_data[wb+2] = MUL_C(spec_data[wb+2],pow2_table[frac]);
+ spec_data[wb+3] = MUL_C(spec_data[wb+3],pow2_table[frac]);
+ }
+
+//#define SCFS_PRINT
+#ifdef SCFS_PRINT
+ printf("%d\n", spec_data[gindex+(win*win_inc)+j+bin+0]);
+ printf("%d\n", spec_data[gindex+(win*win_inc)+j+bin+1]);
+ printf("%d\n", spec_data[gindex+(win*win_inc)+j+bin+2]);
+ printf("%d\n", spec_data[gindex+(win*win_inc)+j+bin+3]);
+ //printf("0x%.8X\n", spec_data[gindex+(win*win_inc)+j+bin+0]);
+ //printf("0x%.8X\n", spec_data[gindex+(win*win_inc)+j+bin+1]);
+ //printf("0x%.8X\n", spec_data[gindex+(win*win_inc)+j+bin+2]);
+ //printf("0x%.8X\n", spec_data[gindex+(win*win_inc)+j+bin+3]);
+#endif
#endif
- x_invquant[k+(groups*nshort)] = MUL_C(x_invquant[k+(groups*nshort)],pow2_table[frac /* + 3*/]);
- x_invquant[k+(groups*nshort)+1] = MUL_C(x_invquant[k+(groups*nshort)+1],pow2_table[frac /* + 3*/]);
- x_invquant[k+(groups*nshort)+2] = MUL_C(x_invquant[k+(groups*nshort)+2],pow2_table[frac /* + 3*/]);
- x_invquant[k+(groups*nshort)+3] = MUL_C(x_invquant[k+(groups*nshort)+3],pow2_table[frac /* + 3*/]);
+ gincrease += 4;
+ k += 4;
+ }
+ wa += win_inc;
}
+ j += width;
}
- groups += ics->window_group_length[g];
+ gindex += gincrease;
}
-}
-
-#ifdef USE_SSE
-void apply_scalefactors_sse(faacDecHandle hDecoder, ic_stream *ics,
- real_t *x_invquant, uint16_t frame_len)
-{
- uint8_t g, sfb;
- uint16_t top;
- int32_t exp, frac;
- uint8_t groups = 0;
- uint16_t nshort = frame_len/8;
-
- for (g = 0; g < ics->num_window_groups; g++)
- {
- uint16_t k = 0;
-
- /* using this nshort*groups doesn't hurt long blocks, because
- long blocks only have 1 group, so that means 'groups' is
- always 0 for long blocks
- */
- for (sfb = 0; sfb < ics->max_sfb; sfb++)
- {
- top = ics->sect_sfb_offset[g][sfb+1];
-
- exp = (ics->scale_factors[g][sfb] /* - 100 */) >> 2;
- frac = (ics->scale_factors[g][sfb] /* - 100 */) & 3;
- /* minimum size of a sf band is 4 and always a multiple of 4 */
- for ( ; k < top; k += 4)
- {
- __m128 m1 = _mm_load_ps(&x_invquant[k+(groups*nshort)]);
- __m128 m2 = _mm_load_ps1(&pow2sf_tab[exp /*+25*/]);
- __m128 m3 = _mm_load_ps1(&pow2_table[frac /* + 3*/]);
- __m128 m4 = _mm_mul_ps(m1, m2);
- __m128 m5 = _mm_mul_ps(m3, m4);
- _mm_store_ps(&x_invquant[k+(groups*nshort)], m5);
- }
- }
- groups += ics->window_group_length[g];
- }
+ return error;
}
-#endif
-static uint8_t allocate_single_channel(faacDecHandle hDecoder, uint8_t channel,
+static uint8_t allocate_single_channel(NeAACDecHandle hDecoder, uint8_t channel,
uint8_t output_channels)
{
uint8_t mul = 1;
@@ -771,7 +747,7 @@ static uint8_t allocate_single_channel(faacDecHandle hDecoder, uint8_t channel,
return 0;
}
-static uint8_t allocate_channel_pair(faacDecHandle hDecoder,
+static uint8_t allocate_channel_pair(NeAACDecHandle hDecoder,
uint8_t channel, uint8_t paired_channel)
{
uint8_t mul = 1;
@@ -876,7 +852,7 @@ static uint8_t allocate_channel_pair(faacDecHandle hDecoder,
return 0;
}
-uint8_t reconstruct_single_channel(faacDecHandle hDecoder, ic_stream *ics,
+uint8_t reconstruct_single_channel(NeAACDecHandle hDecoder, ic_stream *ics,
element *sce, int16_t *spec_data)
{
uint8_t retval, output_channels;
@@ -887,12 +863,13 @@ uint8_t reconstruct_single_channel(faacDecHandle hDecoder, ic_stream *ics,
#endif
- /* determine whether some mono->stereo tool is used */
+ /* always allocate 2 channels, PS can always "suddenly" turn up */
#if (defined(PS_DEC) || defined(DRM_PS))
- output_channels = hDecoder->ps_used[hDecoder->fr_ch_ele] ? 2 : 1;
+ output_channels = 2;
#else
output_channels = 1;
#endif
+
if (hDecoder->element_output_channels[hDecoder->fr_ch_ele] == 0)
{
/* element_output_channels not set yet */
@@ -902,7 +879,6 @@ uint8_t reconstruct_single_channel(faacDecHandle hDecoder, ic_stream *ics,
return 21;
}
-
if (hDecoder->element_alloced[hDecoder->fr_ch_ele] == 0)
{
retval = allocate_single_channel(hDecoder, sce->channel, output_channels);
@@ -913,22 +889,11 @@ uint8_t reconstruct_single_channel(faacDecHandle hDecoder, ic_stream *ics,
}
- /* inverse quantization */
- retval = inverse_quantization(spec_coef, spec_data, hDecoder->frameLength);
+ /* dequantisation and scaling */
+ retval = quant_to_spec(hDecoder, ics, spec_data, spec_coef, hDecoder->frameLength);
if (retval > 0)
return retval;
- /* apply scalefactors */
-#ifndef USE_SSE
- apply_scalefactors(hDecoder, ics, spec_coef, hDecoder->frameLength);
-#else
- hDecoder->apply_sf_func(hDecoder, ics, spec_coef, hDecoder->frameLength);
-#endif
-
- /* deinterleave short block grouping */
- if (ics->window_sequence == EIGHT_SHORT_SEQUENCE)
- quant_to_spec(ics, spec_coef, hDecoder->frameLength);
-
#ifdef PROFILE
count = faad_get_ts() - count;
hDecoder->requant_cycles += count;
@@ -987,22 +952,15 @@ uint8_t reconstruct_single_channel(faacDecHandle hDecoder, ic_stream *ics,
drc_decode(hDecoder->drc, spec_coef);
}
-
/* filter bank */
#ifdef SSR_DEC
if (hDecoder->object_type != SSR)
{
#endif
-#ifdef USE_SSE
- hDecoder->fb->if_func(hDecoder->fb, ics->window_sequence, ics->window_shape,
- hDecoder->window_shape_prev[sce->channel], spec_coef,
- hDecoder->time_out[sce->channel], hDecoder->object_type, hDecoder->frameLength);
-#else
ifilter_bank(hDecoder->fb, ics->window_sequence, ics->window_shape,
hDecoder->window_shape_prev[sce->channel], spec_coef,
hDecoder->time_out[sce->channel], hDecoder->fb_intermed[sce->channel],
hDecoder->object_type, hDecoder->frameLength);
-#endif
#ifdef SSR_DEC
} else {
ssr_decode(&(ics->ssr), hDecoder->fb, ics->window_sequence, ics->window_shape,
@@ -1034,25 +992,31 @@ uint8_t reconstruct_single_channel(faacDecHandle hDecoder, ic_stream *ics,
if (hDecoder->sbr[ele] == NULL)
{
hDecoder->sbr[ele] = sbrDecodeInit(hDecoder->frameLength,
- sce->ele_id, 2*get_sample_rate(hDecoder->sf_index)
+ hDecoder->element_id[ele], 2*get_sample_rate(hDecoder->sf_index),
+ hDecoder->downSampledSBR
#ifdef DRM
, 0
#endif
);
}
+ if (sce->ics1.window_sequence == EIGHT_SHORT_SEQUENCE)
+ hDecoder->sbr[ele]->maxAACLine = 8*sce->ics1.swb_offset[max(sce->ics1.max_sfb-1, 0)];
+ else
+ hDecoder->sbr[ele]->maxAACLine = sce->ics1.swb_offset[max(sce->ics1.max_sfb-1, 0)];
+
/* check if any of the PS tools is used */
#if (defined(PS_DEC) || defined(DRM_PS))
- if (output_channels == 1)
+ if (hDecoder->ps_used[ele] == 0)
{
#endif
retval = sbrDecodeSingleFrame(hDecoder->sbr[ele], hDecoder->time_out[ch],
- hDecoder->postSeekResetFlag, hDecoder->forceUpSampling);
+ hDecoder->postSeekResetFlag, hDecoder->downSampledSBR);
#if (defined(PS_DEC) || defined(DRM_PS))
} else {
retval = sbrDecodeSingleFramePS(hDecoder->sbr[ele], hDecoder->time_out[ch],
hDecoder->time_out[ch+1], hDecoder->postSeekResetFlag,
- hDecoder->forceUpSampling);
+ hDecoder->downSampledSBR);
}
#endif
if (retval > 0)
@@ -1064,10 +1028,23 @@ uint8_t reconstruct_single_channel(faacDecHandle hDecoder, ic_stream *ics,
}
#endif
+ /* copy L to R when no PS is used */
+#if (defined(PS_DEC) || defined(DRM_PS))
+ if ((hDecoder->ps_used[hDecoder->fr_ch_ele] == 0))
+ {
+ uint8_t ele = hDecoder->fr_ch_ele;
+ uint8_t ch = sce->channel;
+ uint16_t frame_size = (hDecoder->sbr_alloced[ele]) ? 2 : 1;
+ frame_size *= hDecoder->frameLength*sizeof(real_t);
+
+ memcpy(hDecoder->time_out[ch+1], hDecoder->time_out[ch], frame_size);
+ }
+#endif
+
return 0;
}
-uint8_t reconstruct_channel_pair(faacDecHandle hDecoder, ic_stream *ics1, ic_stream *ics2,
+uint8_t reconstruct_channel_pair(NeAACDecHandle hDecoder, ic_stream *ics1, ic_stream *ics2,
element *cpe, int16_t *spec_data1, int16_t *spec_data2)
{
uint8_t retval;
@@ -1079,37 +1056,21 @@ uint8_t reconstruct_channel_pair(faacDecHandle hDecoder, ic_stream *ics1, ic_str
#endif
if (hDecoder->element_alloced[hDecoder->fr_ch_ele] == 0)
{
- retval = allocate_channel_pair(hDecoder, cpe->channel, cpe->paired_channel);
+ retval = allocate_channel_pair(hDecoder, cpe->channel, (uint8_t)cpe->paired_channel);
if (retval > 0)
return retval;
hDecoder->element_alloced[hDecoder->fr_ch_ele] = 1;
}
- /* inverse quantization */
- retval = inverse_quantization(spec_coef1, spec_data1, hDecoder->frameLength);
+ /* dequantisation and scaling */
+ retval = quant_to_spec(hDecoder, ics1, spec_data1, spec_coef1, hDecoder->frameLength);
if (retval > 0)
return retval;
-
- retval = inverse_quantization(spec_coef2, spec_data2, hDecoder->frameLength);
+ retval = quant_to_spec(hDecoder, ics2, spec_data2, spec_coef2, hDecoder->frameLength);
if (retval > 0)
return retval;
- /* apply scalefactors */
-#ifndef USE_SSE
- apply_scalefactors(hDecoder, ics1, spec_coef1, hDecoder->frameLength);
- apply_scalefactors(hDecoder, ics2, spec_coef2, hDecoder->frameLength);
-#else
- hDecoder->apply_sf_func(hDecoder, ics1, spec_coef1, hDecoder->frameLength);
- hDecoder->apply_sf_func(hDecoder, ics2, spec_coef2, hDecoder->frameLength);
-#endif
-
- /* deinterleave short block grouping */
- if (ics1->window_sequence == EIGHT_SHORT_SEQUENCE)
- quant_to_spec(ics1, spec_coef1, hDecoder->frameLength);
- if (ics2->window_sequence == EIGHT_SHORT_SEQUENCE)
- quant_to_spec(ics2, spec_coef2, hDecoder->frameLength);
-
#ifdef PROFILE
count = faad_get_ts() - count;
hDecoder->requant_cycles += count;
@@ -1128,9 +1089,41 @@ uint8_t reconstruct_channel_pair(faacDecHandle hDecoder, ic_stream *ics1, ic_str
/* mid/side decoding */
ms_decode(ics1, ics2, spec_coef1, spec_coef2, hDecoder->frameLength);
+#if 0
+ {
+ int i;
+ for (i = 0; i < 1024; i++)
+ {
+ //printf("%d\n", spec_coef1[i]);
+ printf("0x%.8X\n", spec_coef1[i]);
+ }
+ for (i = 0; i < 1024; i++)
+ {
+ //printf("%d\n", spec_coef2[i]);
+ printf("0x%.8X\n", spec_coef2[i]);
+ }
+ }
+#endif
+
/* intensity stereo decoding */
is_decode(ics1, ics2, spec_coef1, spec_coef2, hDecoder->frameLength);
+#if 0
+ {
+ int i;
+ for (i = 0; i < 1024; i++)
+ {
+ printf("%d\n", spec_coef1[i]);
+ //printf("0x%.8X\n", spec_coef1[i]);
+ }
+ for (i = 0; i < 1024; i++)
+ {
+ printf("%d\n", spec_coef2[i]);
+ //printf("0x%.8X\n", spec_coef2[i]);
+ }
+ }
+#endif
+
#ifdef MAIN_DEC
/* MAIN object type prediction */
if (hDecoder->object_type == MAIN)
@@ -1203,14 +1196,6 @@ uint8_t reconstruct_channel_pair(faacDecHandle hDecoder, ic_stream *ics1, ic_str
if (hDecoder->object_type != SSR)
{
#endif
-#ifdef USE_SSE
- hDecoder->fb->if_func(hDecoder->fb, ics1->window_sequence, ics1->window_shape,
- hDecoder->window_shape_prev[cpe->channel], spec_coef1,
- hDecoder->time_out[cpe->channel], hDecoder->object_type, hDecoder->frameLength);
- hDecoder->fb->if_func(hDecoder->fb, ics2->window_sequence, ics2->window_shape,
- hDecoder->window_shape_prev[cpe->paired_channel], spec_coef2,
- hDecoder->time_out[cpe->paired_channel], hDecoder->object_type, hDecoder->frameLength);
-#else
ifilter_bank(hDecoder->fb, ics1->window_sequence, ics1->window_shape,
hDecoder->window_shape_prev[cpe->channel], spec_coef1,
hDecoder->time_out[cpe->channel], hDecoder->fb_intermed[cpe->channel],
@@ -1219,7 +1204,6 @@ uint8_t reconstruct_channel_pair(faacDecHandle hDecoder, ic_stream *ics1, ic_str
hDecoder->window_shape_prev[cpe->paired_channel], spec_coef2,
hDecoder->time_out[cpe->paired_channel], hDecoder->fb_intermed[cpe->paired_channel],
hDecoder->object_type, hDecoder->frameLength);
-#endif
#ifdef SSR_DEC
} else {
ssr_decode(&(ics1->ssr), hDecoder->fb, ics1->window_sequence, ics1->window_shape,
@@ -1259,16 +1243,22 @@ uint8_t reconstruct_channel_pair(faacDecHandle hDecoder, ic_stream *ics1, ic_str
if (hDecoder->sbr[ele] == NULL)
{
hDecoder->sbr[ele] = sbrDecodeInit(hDecoder->frameLength,
- cpe->ele_id, 2*get_sample_rate(hDecoder->sf_index)
+ hDecoder->element_id[ele], 2*get_sample_rate(hDecoder->sf_index),
+ hDecoder->downSampledSBR
#ifdef DRM
, 0
#endif
);
}
+ if (cpe->ics1.window_sequence == EIGHT_SHORT_SEQUENCE)
+ hDecoder->sbr[ele]->maxAACLine = 8*cpe->ics1.swb_offset[max(cpe->ics1.max_sfb-1, 0)];
+ else
+ hDecoder->sbr[ele]->maxAACLine = cpe->ics1.swb_offset[max(cpe->ics1.max_sfb-1, 0)];
+
retval = sbrDecodeCoupleFrame(hDecoder->sbr[ele],
hDecoder->time_out[ch0], hDecoder->time_out[ch1],
- hDecoder->postSeekResetFlag, hDecoder->forceUpSampling);
+ hDecoder->postSeekResetFlag, hDecoder->downSampledSBR);
if (retval > 0)
return retval;
} else if (((hDecoder->sbr_present_flag == 1) || (hDecoder->forceUpSampling == 1))
diff --git a/src/libfaad/specrec.h b/src/libfaad/specrec.h
index d64af557b..da174abe8 100644
--- a/src/libfaad/specrec.h
+++ b/src/libfaad/specrec.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: specrec.h,v 1.6 2004/12/03 01:15:31 tmattern Exp $
+** $Id: specrec.h,v 1.7 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __SPECREC_H__
@@ -34,16 +34,10 @@ extern "C" {
#include "syntax.h"
-uint8_t window_grouping_info(faacDecHandle hDecoder, ic_stream *ics);
-void apply_scalefactors(faacDecHandle hDecoder, ic_stream *ics, real_t *x_invquant,
- uint16_t frame_len);
-#ifdef USE_SSE
-void apply_scalefactors_sse(faacDecHandle hDecoder, ic_stream *ics, real_t *x_invquant,
- uint16_t frame_len);
-#endif
-uint8_t reconstruct_channel_pair(faacDecHandle hDecoder, ic_stream *ics1, ic_stream *ics2,
+uint8_t window_grouping_info(NeAACDecHandle hDecoder, ic_stream *ics);
+uint8_t reconstruct_channel_pair(NeAACDecHandle hDecoder, ic_stream *ics1, ic_stream *ics2,
element *cpe, int16_t *spec_data1, int16_t *spec_data2);
-uint8_t reconstruct_single_channel(faacDecHandle hDecoder, ic_stream *ics, element *sce,
+uint8_t reconstruct_single_channel(NeAACDecHandle hDecoder, ic_stream *ics, element *sce,
int16_t *spec_data);
#ifdef __cplusplus
diff --git a/src/libfaad/ssr.c b/src/libfaad/ssr.c
index ba0f16554..46517d0c8 100644
--- a/src/libfaad/ssr.c
+++ b/src/libfaad/ssr.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: ssr.c,v 1.5 2004/12/03 01:15:31 tmattern Exp $
+** $Id: ssr.c,v 1.6 2005/10/29 23:57:07 tmmm Exp $
**/
#include "common.h"
diff --git a/src/libfaad/ssr.h b/src/libfaad/ssr.h
index 0c6e3781b..d1defdc45 100644
--- a/src/libfaad/ssr.h
+++ b/src/libfaad/ssr.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: ssr.h,v 1.5 2004/12/03 01:15:31 tmattern Exp $
+** $Id: ssr.h,v 1.6 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __SSR_H__
diff --git a/src/libfaad/ssr_fb.c b/src/libfaad/ssr_fb.c
index 5fb798976..fb62c90c6 100644
--- a/src/libfaad/ssr_fb.c
+++ b/src/libfaad/ssr_fb.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: ssr_fb.c,v 1.5 2004/12/03 01:15:31 tmattern Exp $
+** $Id: ssr_fb.c,v 1.6 2005/10/29 23:57:07 tmmm Exp $
**/
#include "common.h"
diff --git a/src/libfaad/ssr_fb.h b/src/libfaad/ssr_fb.h
index 96a9be67a..739a4dfbb 100644
--- a/src/libfaad/ssr_fb.h
+++ b/src/libfaad/ssr_fb.h
@@ -16,7 +16,7 @@
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
-** $Id: ssr_fb.h,v 1.4 2004/12/03 01:15:31 tmattern Exp $
+** $Id: ssr_fb.h,v 1.5 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __SSR_FB_H__
diff --git a/src/libfaad/ssr_ipqf.c b/src/libfaad/ssr_ipqf.c
index ef44df1b4..3064285de 100644
--- a/src/libfaad/ssr_ipqf.c
+++ b/src/libfaad/ssr_ipqf.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: ssr_ipqf.c,v 1.5 2004/12/03 01:15:31 tmattern Exp $
+** $Id: ssr_ipqf.c,v 1.6 2005/10/29 23:57:07 tmmm Exp $
**/
#include "common.h"
diff --git a/src/libfaad/ssr_ipqf.h b/src/libfaad/ssr_ipqf.h
index c5da651a0..360db978b 100644
--- a/src/libfaad/ssr_ipqf.h
+++ b/src/libfaad/ssr_ipqf.h
@@ -16,7 +16,7 @@
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
-** $Id: ssr_ipqf.h,v 1.4 2004/12/03 01:15:31 tmattern Exp $
+** $Id: ssr_ipqf.h,v 1.5 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __SSR_IPQF_H__
diff --git a/src/libfaad/ssr_win.h b/src/libfaad/ssr_win.h
index 2276698b5..ddbb3086e 100644
--- a/src/libfaad/ssr_win.h
+++ b/src/libfaad/ssr_win.h
@@ -16,7 +16,7 @@
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
-** $Id: ssr_win.h,v 1.4 2004/12/03 01:15:31 tmattern Exp $
+** $Id: ssr_win.h,v 1.5 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __SSR_WIN_H__
diff --git a/src/libfaad/structs.h b/src/libfaad/structs.h
index 3defe7a10..db6361a5c 100644
--- a/src/libfaad/structs.h
+++ b/src/libfaad/structs.h
@@ -1,19 +1,19 @@
/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
-**
+**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
-**
+**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
-**
+**
** You should have received a copy of the GNU General Public License
-** along with this program; if not, write to the Free Software
+** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
** Any non-GPL usage of this software or parts of this software is strictly
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: structs.h,v 1.6 2004/12/03 01:15:31 tmattern Exp $
+** $Id: structs.h,v 1.7 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __STRUCTS_H__
@@ -77,9 +77,6 @@ typedef struct
#ifdef PROFILE
int64_t cycles;
#endif
-#ifdef USE_SSE
- void (*if_func)(void *a, uint8_t b, uint8_t c, uint8_t d, real_t *e, real_t *f, uint8_t g, uint16_t h);
-#endif
} fb_info;
typedef struct
@@ -182,6 +179,7 @@ typedef struct
program_config pce[16];
} adif_header;
+#ifdef LTP_DEC
typedef struct
{
uint8_t last_band;
@@ -194,7 +192,9 @@ typedef struct
uint8_t short_lag_present[8];
uint8_t short_lag[8];
} ltp_info;
+#endif
+#ifdef MAIN_DEC
typedef struct
{
uint8_t limit;
@@ -202,6 +202,7 @@ typedef struct
uint8_t predictor_reset_group_number;
uint8_t prediction_used[MAX_SFB];
} pred_info;
+#endif
typedef struct
{
@@ -268,9 +269,13 @@ typedef struct
pulse_info pul;
tns_info tns;
+#ifdef MAIN_DEC
pred_info pred;
+#endif
+#ifdef LTP_DEC
ltp_info ltp;
ltp_info ltp2;
+#endif
#ifdef SSR_DEC
ssr_info ssr;
#endif
@@ -292,8 +297,6 @@ typedef struct
typedef struct
{
- uint8_t ele_id;
-
uint8_t channel;
int16_t paired_channel;
@@ -307,59 +310,63 @@ typedef struct
typedef struct mp4AudioSpecificConfig
{
/* Audio Specific Info */
- uint8_t objectTypeIndex;
- uint8_t samplingFrequencyIndex;
- uint32_t samplingFrequency;
- uint8_t channelsConfiguration;
+ /*uint8_t*/ unsigned char objectTypeIndex;
+ /*uint8_t*/ unsigned char samplingFrequencyIndex;
+ /*uint32_t*/ unsigned long samplingFrequency;
+ /*uint8_t*/ unsigned char channelsConfiguration;
/* GA Specific Info */
- uint8_t frameLengthFlag;
- uint8_t dependsOnCoreCoder;
- uint16_t coreCoderDelay;
- uint8_t extensionFlag;
- uint8_t aacSectionDataResilienceFlag;
- uint8_t aacScalefactorDataResilienceFlag;
- uint8_t aacSpectralDataResilienceFlag;
- uint8_t epConfig;
-
- int8_t sbr_present_flag;
- int8_t forceUpSampling;
+ /*uint8_t*/ unsigned char frameLengthFlag;
+ /*uint8_t*/ unsigned char dependsOnCoreCoder;
+ /*uint16_t*/ unsigned short coreCoderDelay;
+ /*uint8_t*/ unsigned char extensionFlag;
+ /*uint8_t*/ unsigned char aacSectionDataResilienceFlag;
+ /*uint8_t*/ unsigned char aacScalefactorDataResilienceFlag;
+ /*uint8_t*/ unsigned char aacSpectralDataResilienceFlag;
+ /*uint8_t*/ unsigned char epConfig;
+
+ /*uint8_t*/ char sbr_present_flag;
+ /*uint8_t*/ char forceUpSampling;
+ /*uint8_t*/ char downSampledSBR;
} mp4AudioSpecificConfig;
-typedef struct faacDecConfiguration
+typedef struct NeAACDecConfiguration
{
- uint8_t defObjectType;
- uint32_t defSampleRate;
- uint8_t outputFormat;
- uint8_t downMatrix;
- uint8_t useOldADTSFormat;
- uint8_t dontUpSampleImplicitSBR;
-} faacDecConfiguration, *faacDecConfigurationPtr;
-
-typedef struct faacDecFrameInfo
+ /*uint8_t*/ unsigned char defObjectType;
+ /*uint32_t*/ unsigned long defSampleRate;
+ /*uint8_t*/ unsigned char outputFormat;
+ /*uint8_t*/ unsigned char downMatrix;
+ /*uint8_t*/ unsigned char useOldADTSFormat;
+ /*uint8_t*/ unsigned char dontUpSampleImplicitSBR;
+} NeAACDecConfiguration, *NeAACDecConfigurationPtr;
+
+typedef struct NeAACDecFrameInfo
{
- uint32_t bytesconsumed;
- uint32_t samples;
- uint8_t channels;
- uint8_t error;
- uint32_t samplerate;
+ /*uint32_t*/ unsigned long bytesconsumed;
+ /*uint32_t*/ unsigned long samples;
+ /*uint8_t*/ unsigned char channels;
+ /*uint8_t*/ unsigned char error;
+ /*uint32_t*/ unsigned long samplerate;
/* SBR: 0: off, 1: on; normal, 2: on; downsampled */
- uint8_t sbr;
+ /*uint8_t*/ unsigned char sbr;
/* MPEG-4 ObjectType */
- uint8_t object_type;
+ /*uint8_t*/ unsigned char object_type;
/* AAC header type; MP4 will be signalled as RAW also */
- uint8_t header_type;
+ /*uint8_t*/ unsigned char header_type;
/* multichannel configuration */
- uint8_t num_front_channels;
- uint8_t num_side_channels;
- uint8_t num_back_channels;
- uint8_t num_lfe_channels;
- uint8_t channel_position[MAX_CHANNELS];
-} faacDecFrameInfo;
+ /*uint8_t*/ unsigned char num_front_channels;
+ /*uint8_t*/ unsigned char num_side_channels;
+ /*uint8_t*/ unsigned char num_back_channels;
+ /*uint8_t*/ unsigned char num_lfe_channels;
+ /*uint8_t*/ unsigned char channel_position[MAX_CHANNELS];
+
+ /* PS: 0: off, 1: on */
+ /*uint8_t*/ unsigned char ps;
+} NeAACDecFrameInfo;
typedef struct
{
@@ -379,6 +386,7 @@ typedef struct
uint32_t frame;
uint8_t downMatrix;
+ uint8_t upMatrix;
uint8_t first_syn_ele;
uint8_t has_lfe;
/* number of channels in current frame */
@@ -415,16 +423,15 @@ typedef struct
#ifdef SBR_DEC
int8_t sbr_present_flag;
int8_t forceUpSampling;
+ int8_t downSampledSBR;
/* determines whether SBR data is allocated for the gives element */
uint8_t sbr_alloced[MAX_SYNTAX_ELEMENTS];
sbr_info *sbr[MAX_SYNTAX_ELEMENTS];
-#ifdef DRM
- int8_t lcstereo_flag;
-#endif
#endif
#if (defined(PS_DEC) || defined(DRM_PS))
uint8_t ps_used[MAX_SYNTAX_ELEMENTS];
+ uint8_t ps_used_global;
#endif
#ifdef SSR_DEC
@@ -447,11 +454,7 @@ typedef struct
uint8_t internal_channel[MAX_CHANNELS];
/* Configuration data */
- faacDecConfiguration config;
-
-#ifdef USE_SSE
- void (*apply_sf_func)(void *a, void *b, void *c, uint16_t d);
-#endif
+ NeAACDecConfiguration config;
#ifdef PROFILE
int64_t cycles;
@@ -460,7 +463,7 @@ typedef struct
int64_t scalefac_cycles;
int64_t requant_cycles;
#endif
-} faacDecStruct, *faacDecHandle;
+} NeAACDecStruct, *NeAACDecHandle;
diff --git a/src/libfaad/syntax.c b/src/libfaad/syntax.c
index 5f3657361..83ff8ccff 100644
--- a/src/libfaad/syntax.c
+++ b/src/libfaad/syntax.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: syntax.c,v 1.8 2004/12/03 01:15:31 tmattern Exp $
+** $Id: syntax.c,v 1.9 2005/10/29 23:57:07 tmmm Exp $
**/
/*
@@ -52,47 +52,49 @@
/* static function declarations */
-static void decode_sce_lfe(faacDecHandle hDecoder, faacDecFrameInfo *hInfo, bitfile *ld,
+static void decode_sce_lfe(NeAACDecHandle hDecoder, NeAACDecFrameInfo *hInfo, bitfile *ld,
uint8_t id_syn_ele);
-static void decode_cpe(faacDecHandle hDecoder, faacDecFrameInfo *hInfo, bitfile *ld,
+static void decode_cpe(NeAACDecHandle hDecoder, NeAACDecFrameInfo *hInfo, bitfile *ld,
uint8_t id_syn_ele);
-static uint8_t single_lfe_channel_element(faacDecHandle hDecoder, bitfile *ld,
+static uint8_t single_lfe_channel_element(NeAACDecHandle hDecoder, bitfile *ld,
uint8_t channel, uint8_t *tag);
-static uint8_t channel_pair_element(faacDecHandle hDecoder, bitfile *ld,
+static uint8_t channel_pair_element(NeAACDecHandle hDecoder, bitfile *ld,
uint8_t channel, uint8_t *tag);
#ifdef COUPLING_DEC
-static uint8_t coupling_channel_element(faacDecHandle hDecoder, bitfile *ld);
+static uint8_t coupling_channel_element(NeAACDecHandle hDecoder, bitfile *ld);
#endif
-static uint16_t data_stream_element(faacDecHandle hDecoder, bitfile *ld);
+static uint16_t data_stream_element(NeAACDecHandle hDecoder, bitfile *ld);
static uint8_t program_config_element(program_config *pce, bitfile *ld);
-static uint8_t fill_element(faacDecHandle hDecoder, bitfile *ld, drc_info *drc
+static uint8_t fill_element(NeAACDecHandle hDecoder, bitfile *ld, drc_info *drc
#ifdef SBR_DEC
,uint8_t sbr_ele
#endif
);
-static uint8_t individual_channel_stream(faacDecHandle hDecoder, element *ele,
+static uint8_t individual_channel_stream(NeAACDecHandle hDecoder, element *ele,
bitfile *ld, ic_stream *ics, uint8_t scal_flag,
int16_t *spec_data);
-static uint8_t ics_info(faacDecHandle hDecoder, ic_stream *ics, bitfile *ld,
+static uint8_t ics_info(NeAACDecHandle hDecoder, ic_stream *ics, bitfile *ld,
uint8_t common_window);
-static uint8_t section_data(faacDecHandle hDecoder, ic_stream *ics, bitfile *ld);
-static uint8_t scale_factor_data(faacDecHandle hDecoder, ic_stream *ics, bitfile *ld);
+static uint8_t section_data(NeAACDecHandle hDecoder, ic_stream *ics, bitfile *ld);
+static uint8_t scale_factor_data(NeAACDecHandle hDecoder, ic_stream *ics, bitfile *ld);
#ifdef SSR_DEC
static void gain_control_data(bitfile *ld, ic_stream *ics);
#endif
-static uint8_t spectral_data(faacDecHandle hDecoder, ic_stream *ics, bitfile *ld,
+static uint8_t spectral_data(NeAACDecHandle hDecoder, ic_stream *ics, bitfile *ld,
int16_t *spectral_data);
static uint16_t extension_payload(bitfile *ld, drc_info *drc, uint16_t count);
static uint8_t pulse_data(ic_stream *ics, pulse_info *pul, bitfile *ld);
static void tns_data(ic_stream *ics, tns_info *tns, bitfile *ld);
-static uint8_t ltp_data(faacDecHandle hDecoder, ic_stream *ics, ltp_info *ltp, bitfile *ld);
+#ifdef LTP_DEC
+static uint8_t ltp_data(NeAACDecHandle hDecoder, ic_stream *ics, ltp_info *ltp, bitfile *ld);
+#endif
static uint8_t adts_fixed_header(adts_header *adts, bitfile *ld);
static void adts_variable_header(adts_header *adts, bitfile *ld);
static void adts_error_check(adts_header *adts, bitfile *ld);
static uint8_t dynamic_range_info(bitfile *ld, drc_info *drc);
static uint8_t excluded_channels(bitfile *ld, drc_info *drc);
#ifdef SCALABLE_DEC
-static int8_t aac_scalable_main_header(faacDecHandle hDecoder, ic_stream *ics1, ic_stream *ics2,
+static int8_t aac_scalable_main_header(NeAACDecHandle hDecoder, ic_stream *ics1, ic_stream *ics2,
bitfile *ld, uint8_t this_layer_stereo);
#endif
@@ -314,8 +316,8 @@ static uint8_t program_config_element(program_config *pce, bitfile *ld)
return 0;
}
-static void decode_sce_lfe(faacDecHandle hDecoder,
- faacDecFrameInfo *hInfo, bitfile *ld,
+static void decode_sce_lfe(NeAACDecHandle hDecoder,
+ NeAACDecFrameInfo *hInfo, bitfile *ld,
uint8_t id_syn_ele)
{
uint8_t channels = hDecoder->fr_channels;
@@ -359,7 +361,7 @@ static void decode_sce_lfe(faacDecHandle hDecoder,
hDecoder->fr_ch_ele++;
}
-static void decode_cpe(faacDecHandle hDecoder, faacDecFrameInfo *hInfo, bitfile *ld,
+static void decode_cpe(NeAACDecHandle hDecoder, NeAACDecFrameInfo *hInfo, bitfile *ld,
uint8_t id_syn_ele)
{
uint8_t channels = hDecoder->fr_channels;
@@ -407,7 +409,7 @@ static void decode_cpe(faacDecHandle hDecoder, faacDecFrameInfo *hInfo, bitfile
hDecoder->fr_ch_ele++;
}
-void raw_data_block(faacDecHandle hDecoder, faacDecFrameInfo *hInfo,
+void raw_data_block(NeAACDecHandle hDecoder, NeAACDecFrameInfo *hInfo,
bitfile *ld, program_config *pce, drc_info *drc)
{
uint8_t id_syn_ele;
@@ -423,7 +425,7 @@ void raw_data_block(faacDecHandle hDecoder, faacDecFrameInfo *hInfo,
#endif
/* Table 4.4.3: raw_data_block() */
while ((id_syn_ele = (uint8_t)faad_getbits(ld, LEN_SE_ID
- DEBUGVAR(1,4,"faacDecDecode(): id_syn_ele"))) != ID_END)
+ DEBUGVAR(1,4,"NeAACDecDecode(): id_syn_ele"))) != ID_END)
{
switch (id_syn_ele) {
case ID_SCE:
@@ -556,7 +558,7 @@ void raw_data_block(faacDecHandle hDecoder, faacDecFrameInfo *hInfo,
/* Table 4.4.4 and */
/* Table 4.4.9 */
-static uint8_t single_lfe_channel_element(faacDecHandle hDecoder, bitfile *ld,
+static uint8_t single_lfe_channel_element(NeAACDecHandle hDecoder, bitfile *ld,
uint8_t channel, uint8_t *tag)
{
uint8_t retval = 0;
@@ -599,7 +601,7 @@ static uint8_t single_lfe_channel_element(faacDecHandle hDecoder, bitfile *ld,
}
/* Table 4.4.5 */
-static uint8_t channel_pair_element(faacDecHandle hDecoder, bitfile *ld,
+static uint8_t channel_pair_element(NeAACDecHandle hDecoder, bitfile *ld,
uint8_t channels, uint8_t *tag)
{
ALIGN int16_t spec_data1[1024] = {0};
@@ -641,13 +643,20 @@ static uint8_t channel_pair_element(faacDecHandle hDecoder, bitfile *ld,
#ifdef ERROR_RESILIENCE
if ((hDecoder->object_type >= ER_OBJECT_START) && (ics1->predictor_data_present))
{
- if ((ics1->ltp.data_present = faad_get1bit(ld
- DEBUGVAR(1,50,"channel_pair_element(): ltp.data_present"))) & 1)
+ if ((
+#ifdef LTP_DEC
+ ics1->ltp.data_present =
+#endif
+ faad_get1bit(ld DEBUGVAR(1,50,"channel_pair_element(): ltp.data_present"))) & 1)
{
+#ifdef LTP_DEC
if ((result = ltp_data(hDecoder, ics1, &(ics1->ltp), ld)) > 0)
{
return result;
}
+#else
+ return 26;
+#endif
}
}
#endif
@@ -667,13 +676,20 @@ static uint8_t channel_pair_element(faacDecHandle hDecoder, bitfile *ld,
if (cpe.common_window && (hDecoder->object_type >= ER_OBJECT_START) &&
(ics1->predictor_data_present))
{
- if ((ics1->ltp2.data_present = faad_get1bit(ld
- DEBUGVAR(1,50,"channel_pair_element(): ltp.data_present"))) & 1)
+ if ((
+#ifdef LTP_DEC
+ ics1->ltp2.data_present =
+#endif
+ faad_get1bit(ld DEBUGVAR(1,50,"channel_pair_element(): ltp.data_present"))) & 1)
{
+#ifdef LTP_DEC
if ((result = ltp_data(hDecoder, ics1, &(ics1->ltp2), ld)) > 0)
{
return result;
}
+#else
+ return 26;
+#endif
}
}
#endif
@@ -710,7 +726,7 @@ static uint8_t channel_pair_element(faacDecHandle hDecoder, bitfile *ld,
}
/* Table 4.4.6 */
-static uint8_t ics_info(faacDecHandle hDecoder, ic_stream *ics, bitfile *ld,
+static uint8_t ics_info(NeAACDecHandle hDecoder, ic_stream *ics, bitfile *ld,
uint8_t common_window)
{
uint8_t retval = 0;
@@ -751,19 +767,29 @@ static uint8_t ics_info(faacDecHandle hDecoder, ic_stream *ics, bitfile *ld,
{
uint8_t sfb;
- ics->pred.limit = min(ics->max_sfb, max_pred_sfb(hDecoder->sf_index));
+ uint8_t limit = min(ics->max_sfb, max_pred_sfb(hDecoder->sf_index));
+#ifdef MAIN_DEC
+ ics->pred.limit = limit;
+#endif
- if ((ics->pred.predictor_reset = faad_get1bit(ld
- DEBUGVAR(1,53,"ics_info(): pred.predictor_reset"))) & 1)
+ if ((
+#ifdef MAIN_DEC
+ ics->pred.predictor_reset =
+#endif
+ faad_get1bit(ld DEBUGVAR(1,53,"ics_info(): pred.predictor_reset"))) & 1)
{
- ics->pred.predictor_reset_group_number = (uint8_t)faad_getbits(ld, 5
- DEBUGVAR(1,54,"ics_info(): pred.predictor_reset_group_number"));
+#ifdef MAIN_DEC
+ ics->pred.predictor_reset_group_number =
+#endif
+ (uint8_t)faad_getbits(ld, 5 DEBUGVAR(1,54,"ics_info(): pred.predictor_reset_group_number"));
}
- for (sfb = 0; sfb < ics->pred.limit; sfb++)
+ for (sfb = 0; sfb < limit; sfb++)
{
- ics->pred.prediction_used[sfb] = faad_get1bit(ld
- DEBUGVAR(1,55,"ics_info(): pred.prediction_used"));
+#ifdef MAIN_DEC
+ ics->pred.prediction_used[sfb] =
+#endif
+ faad_get1bit(ld DEBUGVAR(1,55,"ics_info(): pred.prediction_used"));
}
}
#ifdef LTP_DEC
@@ -826,8 +852,14 @@ static uint8_t pulse_data(ic_stream *ics, pulse_info *pul, bitfile *ld)
{
pul->pulse_offset[i] = (uint8_t)faad_getbits(ld, 5
DEBUGVAR(1,58,"pulse_data(): pulse_offset"));
+#if 0
+ printf("%d\n", pul->pulse_offset[i]);
+#endif
pul->pulse_amp[i] = (uint8_t)faad_getbits(ld, 4
DEBUGVAR(1,59,"pulse_data(): pulse_amp"));
+#if 0
+ printf("%d\n", pul->pulse_amp[i]);
+#endif
}
return 0;
@@ -835,7 +867,7 @@ static uint8_t pulse_data(ic_stream *ics, pulse_info *pul, bitfile *ld)
#ifdef COUPLING_DEC
/* Table 4.4.8: Currently just for skipping the bits... */
-static uint8_t coupling_channel_element(faacDecHandle hDecoder, bitfile *ld)
+static uint8_t coupling_channel_element(NeAACDecHandle hDecoder, bitfile *ld)
{
uint8_t c, result = 0;
uint8_t ind_sw_cce_flag = 0;
@@ -924,7 +956,7 @@ static uint8_t coupling_channel_element(faacDecHandle hDecoder, bitfile *ld)
#endif
/* Table 4.4.10 */
-static uint16_t data_stream_element(faacDecHandle hDecoder, bitfile *ld)
+static uint16_t data_stream_element(NeAACDecHandle hDecoder, bitfile *ld)
{
uint8_t byte_aligned;
uint16_t i, count;
@@ -953,7 +985,7 @@ static uint16_t data_stream_element(faacDecHandle hDecoder, bitfile *ld)
}
/* Table 4.4.11 */
-static uint8_t fill_element(faacDecHandle hDecoder, bitfile *ld, drc_info *drc
+static uint8_t fill_element(NeAACDecHandle hDecoder, bitfile *ld, drc_info *drc
#ifdef SBR_DEC
,uint8_t sbr_ele
#endif
@@ -986,7 +1018,8 @@ static uint8_t fill_element(faacDecHandle hDecoder, bitfile *ld, drc_info *drc
if (!hDecoder->sbr[sbr_ele])
{
hDecoder->sbr[sbr_ele] = sbrDecodeInit(hDecoder->frameLength,
- hDecoder->element_id[sbr_ele], 2*get_sample_rate(hDecoder->sf_index)
+ hDecoder->element_id[sbr_ele], 2*get_sample_rate(hDecoder->sf_index),
+ hDecoder->downSampledSBR
#ifdef DRM
, 0
#endif
@@ -997,10 +1030,21 @@ static uint8_t fill_element(faacDecHandle hDecoder, bitfile *ld, drc_info *drc
/* parse the SBR data */
hDecoder->sbr[sbr_ele]->ret = sbr_extension_data(ld, hDecoder->sbr[sbr_ele], count);
+
+#if 0
+ if (hDecoder->sbr[sbr_ele]->ret > 0)
+ {
+ printf("%s\n", NeAACDecGetErrorMessage(hDecoder->sbr[sbr_ele]->ret));
+ }
+#endif
+
#if (defined(PS_DEC) || defined(DRM_PS))
if (hDecoder->sbr[sbr_ele]->ps_used)
{
hDecoder->ps_used[sbr_ele] = 1;
+
+ /* set element independent flag to 1 as well */
+ hDecoder->ps_used_global = 1;
}
#endif
} else {
@@ -1115,7 +1159,7 @@ static void gain_control_data(bitfile *ld, ic_stream *ics)
#ifdef SCALABLE_DEC
/* Table 4.4.13 ASME */
-void aac_scalable_main_element(faacDecHandle hDecoder, faacDecFrameInfo *hInfo,
+void aac_scalable_main_element(NeAACDecHandle hDecoder, NeAACDecFrameInfo *hInfo,
bitfile *ld, program_config *pce, drc_info *drc)
{
uint8_t retval = 0;
@@ -1137,11 +1181,13 @@ void aac_scalable_main_element(faacDecHandle hDecoder, faacDecFrameInfo *hInfo,
cpe.common_window = 1;
if (this_layer_stereo)
- cpe.ele_id = ID_CPE;
- else
- cpe.ele_id = ID_SCE;
-
- hDecoder->element_output_channels[hDecoder->fr_ch_ele] = (this_layer_stereo ? 2 : 0);
+ {
+ hDecoder->element_id[0] = ID_CPE;
+ if (hDecoder->element_output_channels[hDecoder->fr_ch_ele] == 0)
+ hDecoder->element_output_channels[hDecoder->fr_ch_ele] = 2;
+ } else {
+ hDecoder->element_id[0] = ID_SCE;
+ }
for (ch = 0; ch < (this_layer_stereo ? 2 : 1); ch++)
{
@@ -1185,8 +1231,8 @@ void aac_scalable_main_element(faacDecHandle hDecoder, faacDecFrameInfo *hInfo,
if (!hDecoder->sbr[0])
{
- hDecoder->sbr[0] = sbrDecodeInit(hDecoder->frameLength, cpe.ele_id,
- 2*get_sample_rate(hDecoder->sf_index), 1);
+ hDecoder->sbr[0] = sbrDecodeInit(hDecoder->frameLength, hDecoder->element_id[0],
+ 2*get_sample_rate(hDecoder->sf_index), 0 /* ds SBR */, 1);
}
/* Reverse bit reading of SBR data in DRM audio frame */
@@ -1201,8 +1247,6 @@ void aac_scalable_main_element(faacDecHandle hDecoder, faacDecFrameInfo *hInfo,
count = (uint16_t)bit2byte(buffer_size*8 - bitsconsumed);
faad_initbits(&ld_sbr, revbuffer, count);
- hDecoder->sbr[0]->lcstereo_flag = hDecoder->lcstereo_flag;
-
hDecoder->sbr[0]->sample_rate = get_sample_rate(hDecoder->sf_index);
hDecoder->sbr[0]->sample_rate *= 2;
@@ -1213,13 +1257,20 @@ void aac_scalable_main_element(faacDecHandle hDecoder, faacDecFrameInfo *hInfo,
if (hDecoder->sbr[0]->ps_used)
{
hDecoder->ps_used[0] = 1;
+ hDecoder->ps_used_global = 1;
}
#endif
/* check CRC */
/* no need to check it if there was already an error */
if (hDecoder->sbr[0]->ret == 0)
- hDecoder->sbr[0]->ret = faad_check_CRC(&ld_sbr, faad_get_processed_bits(&ld_sbr) - 8);
+ hDecoder->sbr[0]->ret = (uint8_t)faad_check_CRC(&ld_sbr, (uint16_t)faad_get_processed_bits(&ld_sbr) - 8);
+
+ /* SBR data was corrupted, disable it until the next header */
+ if (hDecoder->sbr[0]->ret != 0)
+ {
+ hDecoder->sbr[0]->header_count = 0;
+ }
faad_endbits(&ld_sbr);
@@ -1250,8 +1301,6 @@ void aac_scalable_main_element(faacDecHandle hDecoder, faacDecFrameInfo *hInfo,
hDecoder->internal_channel[channels] = channels;
}
- hDecoder->element_id[hDecoder->fr_ch_ele] = cpe.ele_id;
-
hDecoder->fr_channels += hDecoder->element_output_channels[hDecoder->fr_ch_ele];
hDecoder->fr_ch_ele++;
@@ -1259,7 +1308,7 @@ void aac_scalable_main_element(faacDecHandle hDecoder, faacDecFrameInfo *hInfo,
}
/* Table 4.4.15 */
-static int8_t aac_scalable_main_header(faacDecHandle hDecoder, ic_stream *ics1, ic_stream *ics2,
+static int8_t aac_scalable_main_header(NeAACDecHandle hDecoder, ic_stream *ics1, ic_stream *ics2,
bitfile *ld, uint8_t this_layer_stereo)
{
uint8_t retval = 0;
@@ -1351,13 +1400,20 @@ static int8_t aac_scalable_main_header(faacDecHandle hDecoder, ic_stream *ics1,
diff_control_data_lr();
} else {
#endif
- if ((ics->ltp.data_present = faad_get1bit(ld
- DEBUGVAR(1,310,"aac_scalable_main_header(): ltp.data_present"))) & 1)
+ if ((
+#ifdef LTP_DEC
+ ics->ltp.data_present =
+#endif
+ faad_get1bit(ld DEBUGVAR(1,310,"aac_scalable_main_header(): ltp.data_present"))) & 1)
{
+#ifdef LTP_DEC
if ((retval = ltp_data(hDecoder, ics, &(ics->ltp), ld)) > 0)
{
return retval;
}
+#else
+ return 26;
+#endif
}
#if 0
}
@@ -1369,7 +1425,7 @@ static int8_t aac_scalable_main_header(faacDecHandle hDecoder, ic_stream *ics1,
#endif
/* Table 4.4.24 */
-static uint8_t individual_channel_stream(faacDecHandle hDecoder, element *ele,
+static uint8_t individual_channel_stream(NeAACDecHandle hDecoder, element *ele,
bitfile *ld, ic_stream *ics, uint8_t scal_flag,
int16_t *spec_data)
{
@@ -1467,7 +1523,7 @@ static uint8_t individual_channel_stream(faacDecHandle hDecoder, element *ele,
#ifdef DRM
/* CRC check */
if (hDecoder->object_type == DRM_ER_LC)
- if ((result = faad_check_CRC(ld, faad_get_processed_bits(ld) - 8)) > 0)
+ if ((result = (uint8_t)faad_check_CRC(ld, (uint16_t)faad_get_processed_bits(ld) - 8)) > 0)
return result;
#endif
@@ -1505,7 +1561,7 @@ static uint8_t individual_channel_stream(faacDecHandle hDecoder, element *ele,
}
/* Table 4.4.25 */
-static uint8_t section_data(faacDecHandle hDecoder, ic_stream *ics, bitfile *ld)
+static uint8_t section_data(NeAACDecHandle hDecoder, ic_stream *ics, bitfile *ld)
{
uint8_t g;
uint8_t sect_esc_val, sect_bits;
@@ -1549,6 +1605,10 @@ static uint8_t section_data(faacDecHandle hDecoder, ic_stream *ics, bitfile *ld)
ics->sect_cb[g][i] = (uint8_t)faad_getbits(ld, sect_cb_bits
DEBUGVAR(1,71,"section_data(): sect_cb"));
+#if 0
+ printf("%d\n", ics->sect_cb[g][i]);
+#endif
+
if (ics->sect_cb[g][i] == NOISE_HCB)
ics->noise_used = 1;
@@ -1584,13 +1644,25 @@ static uint8_t section_data(faacDecHandle hDecoder, ic_stream *ics, bitfile *ld)
ics->sect_start[g][i] = k;
ics->sect_end[g][i] = k + sect_len;
+#if 0
+ printf("%d\n", ics->sect_start[g][i]);
+#endif
+#if 0
+ printf("%d\n", ics->sect_end[g][i]);
+#endif
+
if (k + sect_len >= 8*15)
return 15;
if (i >= 8*15)
return 15;
for (sfb = k; sfb < k + sect_len; sfb++)
+ {
ics->sfb_cb[g][sfb] = ics->sect_cb[g][i];
+#if 0
+ printf("%d\n", ics->sfb_cb[g][sfb]);
+#endif
+ }
#if 0
printf(" %6d %6d %6d\n",
@@ -1603,6 +1675,9 @@ static uint8_t section_data(faacDecHandle hDecoder, ic_stream *ics, bitfile *ld)
i++;
}
ics->num_sec[g] = i;
+#if 0
+ printf("%d\n", ics->num_sec[g]);
+#endif
}
#if 0
@@ -1641,6 +1716,10 @@ static uint8_t decode_scale_factors(ic_stream *ics, bitfile *ld)
{
case ZERO_HCB: /* zero book */
ics->scale_factors[g][sfb] = 0;
+//#define SF_PRINT
+#ifdef SF_PRINT
+ printf("%d\n", ics->scale_factors[g][sfb]);
+#endif
break;
case INTENSITY_HCB: /* intensity books */
case INTENSITY_HCB2:
@@ -1649,6 +1728,9 @@ static uint8_t decode_scale_factors(ic_stream *ics, bitfile *ld)
t = huffman_scale_factor(ld);
is_position += (t - 60);
ics->scale_factors[g][sfb] = is_position;
+#ifdef SF_PRINT
+ printf("%d\n", ics->scale_factors[g][sfb]);
+#endif
break;
case NOISE_HCB: /* noise books */
@@ -1665,6 +1747,9 @@ static uint8_t decode_scale_factors(ic_stream *ics, bitfile *ld)
}
noise_energy += t;
ics->scale_factors[g][sfb] = noise_energy;
+#ifdef SF_PRINT
+ printf("%d\n", ics->scale_factors[g][sfb]);
+#endif
break;
default: /* spectral books */
@@ -1679,6 +1764,9 @@ static uint8_t decode_scale_factors(ic_stream *ics, bitfile *ld)
if (scale_factor < 0 || scale_factor > 255)
return 4;
ics->scale_factors[g][sfb] = scale_factor;
+#ifdef SF_PRINT
+ printf("%d\n", ics->scale_factors[g][sfb]);
+#endif
break;
}
@@ -1689,7 +1777,7 @@ static uint8_t decode_scale_factors(ic_stream *ics, bitfile *ld)
}
/* Table 4.4.26 */
-static uint8_t scale_factor_data(faacDecHandle hDecoder, ic_stream *ics, bitfile *ld)
+static uint8_t scale_factor_data(NeAACDecHandle hDecoder, ic_stream *ics, bitfile *ld)
{
uint8_t ret = 0;
#ifdef PROFILE
@@ -1738,6 +1826,9 @@ static void tns_data(ic_stream *ics, tns_info *tns, bitfile *ld)
{
tns->n_filt[w] = (uint8_t)faad_getbits(ld, n_filt_bits
DEBUGVAR(1,74,"tns_data(): n_filt"));
+#if 0
+ printf("%d\n", tns->n_filt[w]);
+#endif
if (tns->n_filt[w])
{
@@ -1748,26 +1839,44 @@ static void tns_data(ic_stream *ics, tns_info *tns, bitfile *ld)
} else {
start_coef_bits = 3;
}
+#if 0
+ printf("%d\n", tns->coef_res[w]);
+#endif
}
for (filt = 0; filt < tns->n_filt[w]; filt++)
{
tns->length[w][filt] = (uint8_t)faad_getbits(ld, length_bits
DEBUGVAR(1,76,"tns_data(): length"));
+#if 0
+ printf("%d\n", tns->length[w][filt]);
+#endif
tns->order[w][filt] = (uint8_t)faad_getbits(ld, order_bits
DEBUGVAR(1,77,"tns_data(): order"));
+#if 0
+ printf("%d\n", tns->order[w][filt]);
+#endif
if (tns->order[w][filt])
{
tns->direction[w][filt] = faad_get1bit(ld
DEBUGVAR(1,78,"tns_data(): direction"));
+#if 0
+ printf("%d\n", tns->direction[w][filt]);
+#endif
tns->coef_compress[w][filt] = faad_get1bit(ld
DEBUGVAR(1,79,"tns_data(): coef_compress"));
+#if 0
+ printf("%d\n", tns->coef_compress[w][filt]);
+#endif
coef_bits = start_coef_bits - tns->coef_compress[w][filt];
for (i = 0; i < tns->order[w][filt]; i++)
{
tns->coef[w][filt][i] = (uint8_t)faad_getbits(ld, coef_bits
DEBUGVAR(1,80,"tns_data(): coef"));
+#if 0
+ printf("%d\n", tns->coef[w][filt][i]);
+#endif
}
}
}
@@ -1776,7 +1885,7 @@ static void tns_data(ic_stream *ics, tns_info *tns, bitfile *ld)
#ifdef LTP_DEC
/* Table 4.4.28 */
-static uint8_t ltp_data(faacDecHandle hDecoder, ic_stream *ics, ltp_info *ltp, bitfile *ld)
+static uint8_t ltp_data(NeAACDecHandle hDecoder, ic_stream *ics, ltp_info *ltp, bitfile *ld)
{
uint8_t sfb, w;
@@ -1839,7 +1948,7 @@ static uint8_t ltp_data(faacDecHandle hDecoder, ic_stream *ics, ltp_info *ltp, b
#endif
/* Table 4.4.29 */
-static uint8_t spectral_data(faacDecHandle hDecoder, ic_stream *ics, bitfile *ld,
+static uint8_t spectral_data(NeAACDecHandle hDecoder, ic_stream *ics, bitfile *ld,
int16_t *spectral_data)
{
int8_t i;
@@ -1870,15 +1979,41 @@ static uint8_t spectral_data(faacDecHandle hDecoder, ic_stream *ics, bitfile *ld
case NOISE_HCB:
case INTENSITY_HCB:
case INTENSITY_HCB2:
+//#define SD_PRINT
+#ifdef SD_PRINT
+ {
+ int j;
+ for (j = ics->sect_sfb_offset[g][ics->sect_start[g][i]]; j < ics->sect_sfb_offset[g][ics->sect_end[g][i]]; j++)
+ {
+ printf("%d\n", 0);
+ }
+ }
+#endif
+//#define SFBO_PRINT
+#ifdef SFBO_PRINT
+ printf("%d\n", ics->sect_sfb_offset[g][ics->sect_start[g][i]]);
+#endif
p += (ics->sect_sfb_offset[g][ics->sect_end[g][i]] -
ics->sect_sfb_offset[g][ics->sect_start[g][i]]);
break;
default:
+#ifdef SFBO_PRINT
+ printf("%d\n", ics->sect_sfb_offset[g][ics->sect_start[g][i]]);
+#endif
for (k = ics->sect_sfb_offset[g][ics->sect_start[g][i]];
k < ics->sect_sfb_offset[g][ics->sect_end[g][i]]; k += inc)
{
if ((result = huffman_spectral_data(sect_cb, ld, &spectral_data[p])) > 0)
return result;
+#ifdef SD_PRINT
+ {
+ int j;
+ for (j = p; j < p+inc; j++)
+ {
+ printf("%d\n", spectral_data[j]);
+ }
+ }
+#endif
p += inc;
}
break;
diff --git a/src/libfaad/syntax.h b/src/libfaad/syntax.h
index c9b3a32e5..a047dd644 100644
--- a/src/libfaad/syntax.h
+++ b/src/libfaad/syntax.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: syntax.h,v 1.9 2004/12/03 01:15:31 tmattern Exp $
+** $Id: syntax.h,v 1.10 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __SYNTAX_H__
@@ -60,8 +60,8 @@ extern "C" {
#define DRMCH_MONO 1
#define DRMCH_STEREO 2
#define DRMCH_SBR_MONO 3
-#define DRMCH_SBR_LC_STEREO 4
-#define DRMCH_SBR_STEREO 5
+#define DRMCH_SBR_STEREO 4
+#define DRMCH_SBR_PS_STEREO 5
/* First object type that has ER */
@@ -110,10 +110,12 @@ int8_t GASpecificConfig(bitfile *ld, mp4AudioSpecificConfig *mp4ASC,
uint8_t adts_frame(adts_header *adts, bitfile *ld);
void get_adif_header(adif_header *adif, bitfile *ld);
-void raw_data_block(faacDecHandle hDecoder, faacDecFrameInfo *hInfo,
+void raw_data_block(NeAACDecHandle hDecoder, NeAACDecFrameInfo *hInfo,
bitfile *ld, program_config *pce, drc_info *drc);
-uint8_t reordered_spectral_data(faacDecHandle hDecoder, ic_stream *ics, bitfile *ld,
+uint8_t reordered_spectral_data(NeAACDecHandle hDecoder, ic_stream *ics, bitfile *ld,
int16_t *spectral_data);
+void aac_scalable_main_element(NeAACDecHandle hDecoder, NeAACDecFrameInfo *hInfo,
+ bitfile *ld, program_config *pce, drc_info *drc);
#ifdef __cplusplus
diff --git a/src/libfaad/tns.c b/src/libfaad/tns.c
index 2252e02d2..bb4db731a 100644
--- a/src/libfaad/tns.c
+++ b/src/libfaad/tns.c
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: tns.c,v 1.7 2004/12/03 01:15:31 tmattern Exp $
+** $Id: tns.c,v 1.8 2005/10/29 23:57:07 tmmm Exp $
**/
#include "common.h"
@@ -239,24 +239,32 @@ static void tns_ar_filter(real_t *spectrum, uint16_t size, int8_t inc, real_t *l
uint8_t j;
uint16_t i;
- real_t y, state[TNS_MAX_ORDER];
-
- for (i = 0; i < order; i++)
- state[i] = 0;
+ real_t y;
+ /* state is stored as a double ringbuffer */
+ real_t state[2*TNS_MAX_ORDER] = {0};
+ int8_t state_index = 0;
for (i = 0; i < size; i++)
{
y = *spectrum;
for (j = 0; j < order; j++)
- y -= MUL_C(state[j], lpc[j+1]);
+ y -= MUL_C(state[state_index+j], lpc[j+1]);
- for (j = order-1; j > 0; j--)
- state[j] = state[j-1];
+ /* double ringbuffer state */
+ state_index--;
+ if (state_index < 0)
+ state_index = order-1;
+ state[state_index] = state[state_index + order] = y;
- state[0] = y;
*spectrum = y;
spectrum += inc;
+
+//#define TNS_PRINT
+#ifdef TNS_PRINT
+ //printf("%d\n", y);
+ printf("0x%.8X\n", y);
+#endif
}
}
@@ -274,10 +282,10 @@ static void tns_ma_filter(real_t *spectrum, uint16_t size, int8_t inc, real_t *l
uint8_t j;
uint16_t i;
- real_t y, state[TNS_MAX_ORDER];
-
- for (i = 0; i < order; i++)
- state[i] = REAL_CONST(0.0);
+ real_t y;
+ /* state is stored as a double ringbuffer */
+ real_t state[2*TNS_MAX_ORDER] = {0};
+ int8_t state_index = 0;
for (i = 0; i < size; i++)
{
@@ -286,10 +294,12 @@ static void tns_ma_filter(real_t *spectrum, uint16_t size, int8_t inc, real_t *l
for (j = 0; j < order; j++)
y += MUL_C(state[j], lpc[j+1]);
- for (j = order-1; j > 0; j--)
- state[j] = state[j-1];
+ /* double ringbuffer state */
+ state_index--;
+ if (state_index < 0)
+ state_index = order-1;
+ state[state_index] = state[state_index + order] = *spectrum;
- state[0] = *spectrum;
*spectrum = y;
spectrum += inc;
}
diff --git a/src/libfaad/tns.h b/src/libfaad/tns.h
index 921304751..fc77894d8 100644
--- a/src/libfaad/tns.h
+++ b/src/libfaad/tns.h
@@ -22,7 +22,7 @@
** Commercial non-GPL licensing of this software is possible.
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
**
-** $Id: tns.h,v 1.7 2004/12/03 01:15:31 tmattern Exp $
+** $Id: tns.h,v 1.8 2005/10/29 23:57:07 tmmm Exp $
**/
#ifndef __TNS_H__
diff --git a/src/libfaad/xine_decoder.c b/src/libfaad/xine_decoder.c
index 4ca4616ac..8da576e4d 100644
--- a/src/libfaad/xine_decoder.c
+++ b/src/libfaad/xine_decoder.c
@@ -17,7 +17,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*
- * $Id: xine_decoder.c,v 1.43 2005/07/17 19:34:08 jstembridge Exp $
+ * $Id: xine_decoder.c,v 1.44 2005/10/29 23:57:07 tmmm Exp $
*
*/
@@ -120,33 +120,33 @@ static void faad_meta_info_set ( faad_decoder_t *this ) {
static int faad_open_dec( faad_decoder_t *this ) {
int used;
- this->faac_dec = faacDecOpen();
+ this->faac_dec = NeAACDecOpen();
if( !this->faac_dec ) {
xprintf( this->stream->xine, XINE_VERBOSITY_LOG,
- _("libfaad: libfaad faacDecOpen() failed.\n"));
+ _("libfaad: libfaad NeAACDecOpen() failed.\n"));
this->faac_failed++;
} else {
if( this->dec_config ) {
- used = faacDecInit2(this->faac_dec, this->dec_config, this->dec_config_size,
+ used = NeAACDecInit2(this->faac_dec, this->dec_config, this->dec_config_size,
&this->rate, &this->num_channels);
if( used < 0 ) {
xprintf( this->stream->xine, XINE_VERBOSITY_LOG,
- _("libfaad: libfaad faacDecInit2 failed.\n"));
+ _("libfaad: libfaad NeAACDecInit2 failed.\n"));
this->faac_failed++;
} else
- lprintf( "faacDecInit2 returned rate=%ld channels=%d\n",
+ lprintf( "NeAACDecInit2 returned rate=%ld channels=%d\n",
this->rate, this->num_channels );
} else {
- used = faacDecInit(this->faac_dec, this->buf, this->size,
+ used = NeAACDecInit(this->faac_dec, this->buf, this->size,
&this->rate, &this->num_channels);
if( used < 0 ) {
xprintf ( this->stream->xine, XINE_VERBOSITY_LOG,
- _("libfaad: libfaad faacDecInit failed.\n"));
+ _("libfaad: libfaad NeAACDecInit failed.\n"));
this->faac_failed++;
} else {
- lprintf( "faacDecInit() returned rate=%ld channels=%d (used=%d)\n",
+ lprintf( "NeAACDecInit() returned rate=%ld channels=%d (used=%d)\n",
this->rate, this->num_channels, used);
this->size -= used;
@@ -160,7 +160,7 @@ static int faad_open_dec( faad_decoder_t *this ) {
if( this->faac_failed ) {
if( this->faac_dec ) {
- faacDecClose( this->faac_dec );
+ NeAACDecClose( this->faac_dec );
this->faac_dec = NULL;
}
_x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_HANDLED, 0);
@@ -184,9 +184,9 @@ static int faad_open_output( faad_decoder_t *this ) {
this->ao_cap_mode = AO_CAP_MODE_5_1CHANNEL;
break;
} else {
- this->faac_cfg = faacDecGetCurrentConfiguration(this->faac_dec);
+ this->faac_cfg = NeAACDecGetCurrentConfiguration(this->faac_dec);
this->faac_cfg->downMatrix = 1;
- faacDecSetConfiguration(this->faac_dec, this->faac_cfg);
+ NeAACDecSetConfiguration(this->faac_dec, this->faac_cfg);
this->num_channels = 2;
}
case 2:
@@ -216,12 +216,12 @@ static void faad_decode_audio ( faad_decoder_t *this, int end_frame ) {
while( (!this->raw_mode && end_frame && this->size >= 10) ||
(this->raw_mode && this->size >= this->rec_audio_src_size) ) {
- sample_buffer = faacDecDecode(this->faac_dec,
+ sample_buffer = NeAACDecDecode(this->faac_dec,
&this->faac_finfo, inbuf, sample_size);
if( !sample_buffer ) {
xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG,
- "libfaad: %s\n", faacDecGetErrorMessage(this->faac_finfo.error));
+ "libfaad: %s\n", NeAACDecGetErrorMessage(this->faac_finfo.error));
used = 1;
} else {
used = this->faac_finfo.bytesconsumed;
@@ -401,7 +401,7 @@ static void faad_dispose (audio_decoder_t *this_gen) {
this->dec_config_size = 0;
if( this->faac_dec )
- faacDecClose(this->faac_dec);
+ NeAACDecClose(this->faac_dec);
this->faac_dec = NULL;
this->faac_failed = 0;