diff options
Diffstat (limited to 'contrib/ffmpeg/libavcodec/i386/fdct_mmx.c')
| -rw-r--r-- | contrib/ffmpeg/libavcodec/i386/fdct_mmx.c | 566 |
1 files changed, 0 insertions, 566 deletions
diff --git a/contrib/ffmpeg/libavcodec/i386/fdct_mmx.c b/contrib/ffmpeg/libavcodec/i386/fdct_mmx.c deleted file mode 100644 index 7e2682a4a..000000000 --- a/contrib/ffmpeg/libavcodec/i386/fdct_mmx.c +++ /dev/null @@ -1,566 +0,0 @@ -/* - * MMX optimized forward DCT - * The gcc porting is Copyright (c) 2001 Fabrice Bellard. - * cleanup/optimizations are Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> - * SSE2 optimization is Copyright (c) 2004 Denes Balatoni. - * - * from fdctam32.c - AP922 MMX(3D-Now) forward-DCT - * - * Intel Application Note AP-922 - fast, precise implementation of DCT - * http://developer.intel.com/vtune/cbts/appnotes.htm - * - * Also of inspiration: - * a page about fdct at http://www.geocities.com/ssavekar/dct.htm - * Skal's fdct at http://skal.planet-d.net/coding/dct.html - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ -#include "common.h" -#include "../dsputil.h" -#include "mmx.h" - -#define ATTR_ALIGN(align) __attribute__ ((__aligned__ (align))) - -////////////////////////////////////////////////////////////////////// -// -// constants for the forward DCT -// ----------------------------- -// -// Be sure to check that your compiler is aligning all constants to QWORD -// (8-byte) memory boundaries! Otherwise the unaligned memory access will -// severely stall MMX execution. -// -////////////////////////////////////////////////////////////////////// - -#define BITS_FRW_ACC 3 //; 2 or 3 for accuracy -#define SHIFT_FRW_COL BITS_FRW_ACC -#define SHIFT_FRW_ROW (BITS_FRW_ACC + 17 - 3) -#define RND_FRW_ROW (1 << (SHIFT_FRW_ROW-1)) -//#define RND_FRW_COL (1 << (SHIFT_FRW_COL-1)) - -//concatenated table, for forward DCT transformation -static const int16_t fdct_tg_all_16[] ATTR_ALIGN(8) = { - 13036, 13036, 13036, 13036, // tg * (2<<16) + 0.5 - 27146, 27146, 27146, 27146, // tg * (2<<16) + 0.5 - -21746, -21746, -21746, -21746, // tg * (2<<16) + 0.5 -}; - -static const int16_t ocos_4_16[4] ATTR_ALIGN(8) = { - 23170, 23170, 23170, 23170, //cos * (2<<15) + 0.5 -}; - -static const int64_t fdct_one_corr ATTR_ALIGN(8) = 0x0001000100010001LL; - -static const int32_t fdct_r_row[2] ATTR_ALIGN(8) = {RND_FRW_ROW, RND_FRW_ROW }; - -static struct -{ - const int32_t fdct_r_row_sse2[4] ATTR_ALIGN(16); -} fdct_r_row_sse2 ATTR_ALIGN(16)= -{{ - RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW -}}; -//static const long fdct_r_row_sse2[4] ATTR_ALIGN(16) = {RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW}; - -static const int16_t tab_frw_01234567[] ATTR_ALIGN(8) = { // forward_dct coeff table - 16384, 16384, 22725, 19266, - 16384, 16384, 12873, 4520, - 21407, 8867, 19266, -4520, - -8867, -21407, -22725, -12873, - 16384, -16384, 12873, -22725, - -16384, 16384, 4520, 19266, - 8867, -21407, 4520, -12873, - 21407, -8867, 19266, -22725, - - 22725, 22725, 31521, 26722, - 22725, 22725, 17855, 6270, - 29692, 12299, 26722, -6270, - -12299, -29692, -31521, -17855, - 22725, -22725, 17855, -31521, - -22725, 22725, 6270, 26722, - 12299, -29692, 6270, -17855, - 29692, -12299, 26722, -31521, - - 21407, 21407, 29692, 25172, - 21407, 21407, 16819, 5906, - 27969, 11585, 25172, -5906, - -11585, -27969, -29692, -16819, - 21407, -21407, 16819, -29692, - -21407, 21407, 5906, 25172, - 11585, -27969, 5906, -16819, - 27969, -11585, 25172, -29692, - - 19266, 19266, 26722, 22654, - 19266, 19266, 15137, 5315, - 25172, 10426, 22654, -5315, - -10426, -25172, -26722, -15137, - 19266, -19266, 15137, -26722, - -19266, 19266, 5315, 22654, - 10426, -25172, 5315, -15137, - 25172, -10426, 22654, -26722, - - 16384, 16384, 22725, 19266, - 16384, 16384, 12873, 4520, - 21407, 8867, 19266, -4520, - -8867, -21407, -22725, -12873, - 16384, -16384, 12873, -22725, - -16384, 16384, 4520, 19266, - 8867, -21407, 4520, -12873, - 21407, -8867, 19266, -22725, - - 19266, 19266, 26722, 22654, - 19266, 19266, 15137, 5315, - 25172, 10426, 22654, -5315, - -10426, -25172, -26722, -15137, - 19266, -19266, 15137, -26722, - -19266, 19266, 5315, 22654, - 10426, -25172, 5315, -15137, - 25172, -10426, 22654, -26722, - - 21407, 21407, 29692, 25172, - 21407, 21407, 16819, 5906, - 27969, 11585, 25172, -5906, - -11585, -27969, -29692, -16819, - 21407, -21407, 16819, -29692, - -21407, 21407, 5906, 25172, - 11585, -27969, 5906, -16819, - 27969, -11585, 25172, -29692, - - 22725, 22725, 31521, 26722, - 22725, 22725, 17855, 6270, - 29692, 12299, 26722, -6270, - -12299, -29692, -31521, -17855, - 22725, -22725, 17855, -31521, - -22725, 22725, 6270, 26722, - 12299, -29692, 6270, -17855, - 29692, -12299, 26722, -31521, -}; - -static struct -{ - const int16_t tab_frw_01234567_sse2[256] ATTR_ALIGN(16); -} tab_frw_01234567_sse2 ATTR_ALIGN(16) = -{{ -//static const int16_t tab_frw_01234567_sse2[] ATTR_ALIGN(16) = { // forward_dct coeff table -#define TABLE_SSE2 C4, C4, C1, C3, -C6, -C2, -C1, -C5, \ - C4, C4, C5, C7, C2, C6, C3, -C7, \ - -C4, C4, C7, C3, C6, -C2, C7, -C5, \ - C4, -C4, C5, -C1, C2, -C6, C3, -C1, -// c1..c7 * cos(pi/4) * 2^15 -#define C1 22725 -#define C2 21407 -#define C3 19266 -#define C4 16384 -#define C5 12873 -#define C6 8867 -#define C7 4520 -TABLE_SSE2 - -#undef C1 -#undef C2 -#undef C3 -#undef C4 -#undef C5 -#undef C6 -#undef C7 -#define C1 31521 -#define C2 29692 -#define C3 26722 -#define C4 22725 -#define C5 17855 -#define C6 12299 -#define C7 6270 -TABLE_SSE2 - -#undef C1 -#undef C2 -#undef C3 -#undef C4 -#undef C5 -#undef C6 -#undef C7 -#define C1 29692 -#define C2 27969 -#define C3 25172 -#define C4 21407 -#define C5 16819 -#define C6 11585 -#define C7 5906 -TABLE_SSE2 - -#undef C1 -#undef C2 -#undef C3 -#undef C4 -#undef C5 -#undef C6 -#undef C7 -#define C1 26722 -#define C2 25172 -#define C3 22654 -#define C4 19266 -#define C5 15137 -#define C6 10426 -#define C7 5315 -TABLE_SSE2 - -#undef C1 -#undef C2 -#undef C3 -#undef C4 -#undef C5 -#undef C6 -#undef C7 -#define C1 22725 -#define C2 21407 -#define C3 19266 -#define C4 16384 -#define C5 12873 -#define C6 8867 -#define C7 4520 -TABLE_SSE2 - -#undef C1 -#undef C2 -#undef C3 -#undef C4 -#undef C5 -#undef C6 -#undef C7 -#define C1 26722 -#define C2 25172 -#define C3 22654 -#define C4 19266 -#define C5 15137 -#define C6 10426 -#define C7 5315 -TABLE_SSE2 - -#undef C1 -#undef C2 -#undef C3 -#undef C4 -#undef C5 -#undef C6 -#undef C7 -#define C1 29692 -#define C2 27969 -#define C3 25172 -#define C4 21407 -#define C5 16819 -#define C6 11585 -#define C7 5906 -TABLE_SSE2 - -#undef C1 -#undef C2 -#undef C3 -#undef C4 -#undef C5 -#undef C6 -#undef C7 -#define C1 31521 -#define C2 29692 -#define C3 26722 -#define C4 22725 -#define C5 17855 -#define C6 12299 -#define C7 6270 -TABLE_SSE2 -}}; - - -static av_always_inline void fdct_col(const int16_t *in, int16_t *out, int offset) -{ - movq_m2r(*(in + offset + 1 * 8), mm0); - movq_m2r(*(in + offset + 6 * 8), mm1); - movq_r2r(mm0, mm2); - movq_m2r(*(in + offset + 2 * 8), mm3); - paddsw_r2r(mm1, mm0); - movq_m2r(*(in + offset + 5 * 8), mm4); - psllw_i2r(SHIFT_FRW_COL, mm0); - movq_m2r(*(in + offset + 0 * 8), mm5); - paddsw_r2r(mm3, mm4); - paddsw_m2r(*(in + offset + 7 * 8), mm5); - psllw_i2r(SHIFT_FRW_COL, mm4); - movq_r2r(mm0, mm6); - psubsw_r2r(mm1, mm2); - movq_m2r(*(fdct_tg_all_16 + 4), mm1); - psubsw_r2r(mm4, mm0); - movq_m2r(*(in + offset + 3 * 8), mm7); - pmulhw_r2r(mm0, mm1); - paddsw_m2r(*(in + offset + 4 * 8), mm7); - psllw_i2r(SHIFT_FRW_COL, mm5); - paddsw_r2r(mm4, mm6); - psllw_i2r(SHIFT_FRW_COL, mm7); - movq_r2r(mm5, mm4); - psubsw_r2r(mm7, mm5); - paddsw_r2r(mm5, mm1); - paddsw_r2r(mm7, mm4); - por_m2r(fdct_one_corr, mm1); - psllw_i2r(SHIFT_FRW_COL + 1, mm2); - pmulhw_m2r(*(fdct_tg_all_16 + 4), mm5); - movq_r2r(mm4, mm7); - psubsw_m2r(*(in + offset + 5 * 8), mm3); - psubsw_r2r(mm6, mm4); - movq_r2m(mm1, *(out + offset + 2 * 8)); - paddsw_r2r(mm6, mm7); - movq_m2r(*(in + offset + 3 * 8), mm1); - psllw_i2r(SHIFT_FRW_COL + 1, mm3); - psubsw_m2r(*(in + offset + 4 * 8), mm1); - movq_r2r(mm2, mm6); - movq_r2m(mm4, *(out + offset + 4 * 8)); - paddsw_r2r(mm3, mm2); - pmulhw_m2r(*ocos_4_16, mm2); - psubsw_r2r(mm3, mm6); - pmulhw_m2r(*ocos_4_16, mm6); - psubsw_r2r(mm0, mm5); - por_m2r(fdct_one_corr, mm5); - psllw_i2r(SHIFT_FRW_COL, mm1); - por_m2r(fdct_one_corr, mm2); - movq_r2r(mm1, mm4); - movq_m2r(*(in + offset + 0 * 8), mm3); - paddsw_r2r(mm6, mm1); - psubsw_m2r(*(in + offset + 7 * 8), mm3); - psubsw_r2r(mm6, mm4); - movq_m2r(*(fdct_tg_all_16 + 0), mm0); - psllw_i2r(SHIFT_FRW_COL, mm3); - movq_m2r(*(fdct_tg_all_16 + 8), mm6); - pmulhw_r2r(mm1, mm0); - movq_r2m(mm7, *(out + offset + 0 * 8)); - pmulhw_r2r(mm4, mm6); - movq_r2m(mm5, *(out + offset + 6 * 8)); - movq_r2r(mm3, mm7); - movq_m2r(*(fdct_tg_all_16 + 8), mm5); - psubsw_r2r(mm2, mm7); - paddsw_r2r(mm2, mm3); - pmulhw_r2r(mm7, mm5); - paddsw_r2r(mm3, mm0); - paddsw_r2r(mm4, mm6); - pmulhw_m2r(*(fdct_tg_all_16 + 0), mm3); - por_m2r(fdct_one_corr, mm0); - paddsw_r2r(mm7, mm5); - psubsw_r2r(mm6, mm7); - movq_r2m(mm0, *(out + offset + 1 * 8)); - paddsw_r2r(mm4, mm5); - movq_r2m(mm7, *(out + offset + 3 * 8)); - psubsw_r2r(mm1, mm3); - movq_r2m(mm5, *(out + offset + 5 * 8)); - movq_r2m(mm3, *(out + offset + 7 * 8)); -} - - -static av_always_inline void fdct_row_sse2(const int16_t *in, int16_t *out) -{ - asm volatile( -#define FDCT_ROW_SSE2_H1(i,t) \ - "movq " #i "(%0), %%xmm2 \n\t" \ - "movq " #i "+8(%0), %%xmm0 \n\t" \ - "movdqa " #t "+32(%1), %%xmm3 \n\t" \ - "movdqa " #t "+48(%1), %%xmm7 \n\t" \ - "movdqa " #t "(%1), %%xmm4 \n\t" \ - "movdqa " #t "+16(%1), %%xmm5 \n\t" - -#define FDCT_ROW_SSE2_H2(i,t) \ - "movq " #i "(%0), %%xmm2 \n\t" \ - "movq " #i "+8(%0), %%xmm0 \n\t" \ - "movdqa " #t "+32(%1), %%xmm3 \n\t" \ - "movdqa " #t "+48(%1), %%xmm7 \n\t" - -#define FDCT_ROW_SSE2(i) \ - "movq %%xmm2, %%xmm1 \n\t" \ - "pshuflw $27, %%xmm0, %%xmm0 \n\t" \ - "paddsw %%xmm0, %%xmm1 \n\t" \ - "psubsw %%xmm0, %%xmm2 \n\t" \ - "punpckldq %%xmm2, %%xmm1 \n\t" \ - "pshufd $78, %%xmm1, %%xmm2 \n\t" \ - "pmaddwd %%xmm2, %%xmm3 \n\t" \ - "pmaddwd %%xmm1, %%xmm7 \n\t" \ - "pmaddwd %%xmm5, %%xmm2 \n\t" \ - "pmaddwd %%xmm4, %%xmm1 \n\t" \ - "paddd %%xmm7, %%xmm3 \n\t" \ - "paddd %%xmm2, %%xmm1 \n\t" \ - "paddd %%xmm6, %%xmm3 \n\t" \ - "paddd %%xmm6, %%xmm1 \n\t" \ - "psrad %3, %%xmm3 \n\t" \ - "psrad %3, %%xmm1 \n\t" \ - "packssdw %%xmm3, %%xmm1 \n\t" \ - "movdqa %%xmm1, " #i "(%4) \n\t" - - "movdqa (%2), %%xmm6 \n\t" - FDCT_ROW_SSE2_H1(0,0) - FDCT_ROW_SSE2(0) - FDCT_ROW_SSE2_H2(64,0) - FDCT_ROW_SSE2(64) - - FDCT_ROW_SSE2_H1(16,64) - FDCT_ROW_SSE2(16) - FDCT_ROW_SSE2_H2(112,64) - FDCT_ROW_SSE2(112) - - FDCT_ROW_SSE2_H1(32,128) - FDCT_ROW_SSE2(32) - FDCT_ROW_SSE2_H2(96,128) - FDCT_ROW_SSE2(96) - - FDCT_ROW_SSE2_H1(48,192) - FDCT_ROW_SSE2(48) - FDCT_ROW_SSE2_H2(80,192) - FDCT_ROW_SSE2(80) - : - : "r" (in), "r" (tab_frw_01234567_sse2.tab_frw_01234567_sse2), "r" (fdct_r_row_sse2.fdct_r_row_sse2), "i" (SHIFT_FRW_ROW), "r" (out) - ); -} - -static av_always_inline void fdct_row_mmx2(const int16_t *in, int16_t *out, const int16_t *table) -{ - pshufw_m2r(*(in + 4), mm5, 0x1B); - movq_m2r(*(in + 0), mm0); - movq_r2r(mm0, mm1); - paddsw_r2r(mm5, mm0); - psubsw_r2r(mm5, mm1); - movq_r2r(mm0, mm2); - punpckldq_r2r(mm1, mm0); - punpckhdq_r2r(mm1, mm2); - movq_m2r(*(table + 0), mm1); - movq_m2r(*(table + 4), mm3); - movq_m2r(*(table + 8), mm4); - movq_m2r(*(table + 12), mm5); - movq_m2r(*(table + 16), mm6); - movq_m2r(*(table + 20), mm7); - pmaddwd_r2r(mm0, mm1); - pmaddwd_r2r(mm2, mm3); - pmaddwd_r2r(mm0, mm4); - pmaddwd_r2r(mm2, mm5); - pmaddwd_r2r(mm0, mm6); - pmaddwd_r2r(mm2, mm7); - pmaddwd_m2r(*(table + 24), mm0); - pmaddwd_m2r(*(table + 28), mm2); - paddd_r2r(mm1, mm3); - paddd_r2r(mm4, mm5); - paddd_r2r(mm6, mm7); - paddd_r2r(mm0, mm2); - movq_m2r(*fdct_r_row, mm0); - paddd_r2r(mm0, mm3); - paddd_r2r(mm0, mm5); - paddd_r2r(mm0, mm7); - paddd_r2r(mm0, mm2); - psrad_i2r(SHIFT_FRW_ROW, mm3); - psrad_i2r(SHIFT_FRW_ROW, mm5); - psrad_i2r(SHIFT_FRW_ROW, mm7); - psrad_i2r(SHIFT_FRW_ROW, mm2); - packssdw_r2r(mm5, mm3); - packssdw_r2r(mm2, mm7); - movq_r2m(mm3, *(out + 0)); - movq_r2m(mm7, *(out + 4)); -} - -static av_always_inline void fdct_row_mmx(const int16_t *in, int16_t *out, const int16_t *table) -{ -//FIXME reorder (i dont have a old mmx only cpu here to benchmark ...) - movd_m2r(*(in + 6), mm1); - punpcklwd_m2r(*(in + 4), mm1); - movq_r2r(mm1, mm2); - psrlq_i2r(0x20, mm1); - movq_m2r(*(in + 0), mm0); - punpcklwd_r2r(mm2, mm1); - movq_r2r(mm0, mm5); - paddsw_r2r(mm1, mm0); - psubsw_r2r(mm1, mm5); - movq_r2r(mm0, mm2); - punpckldq_r2r(mm5, mm0); - punpckhdq_r2r(mm5, mm2); - movq_m2r(*(table + 0), mm1); - movq_m2r(*(table + 4), mm3); - movq_m2r(*(table + 8), mm4); - movq_m2r(*(table + 12), mm5); - movq_m2r(*(table + 16), mm6); - movq_m2r(*(table + 20), mm7); - pmaddwd_r2r(mm0, mm1); - pmaddwd_r2r(mm2, mm3); - pmaddwd_r2r(mm0, mm4); - pmaddwd_r2r(mm2, mm5); - pmaddwd_r2r(mm0, mm6); - pmaddwd_r2r(mm2, mm7); - pmaddwd_m2r(*(table + 24), mm0); - pmaddwd_m2r(*(table + 28), mm2); - paddd_r2r(mm1, mm3); - paddd_r2r(mm4, mm5); - paddd_r2r(mm6, mm7); - paddd_r2r(mm0, mm2); - movq_m2r(*fdct_r_row, mm0); - paddd_r2r(mm0, mm3); - paddd_r2r(mm0, mm5); - paddd_r2r(mm0, mm7); - paddd_r2r(mm0, mm2); - psrad_i2r(SHIFT_FRW_ROW, mm3); - psrad_i2r(SHIFT_FRW_ROW, mm5); - psrad_i2r(SHIFT_FRW_ROW, mm7); - psrad_i2r(SHIFT_FRW_ROW, mm2); - packssdw_r2r(mm5, mm3); - packssdw_r2r(mm2, mm7); - movq_r2m(mm3, *(out + 0)); - movq_r2m(mm7, *(out + 4)); -} - -void ff_fdct_mmx(int16_t *block) -{ - int64_t align_tmp[16] ATTR_ALIGN(8); - int16_t * block1= (int16_t*)align_tmp; - const int16_t *table= tab_frw_01234567; - int i; - - fdct_col(block, block1, 0); - fdct_col(block, block1, 4); - - for(i=8;i>0;i--) { - fdct_row_mmx(block1, block, table); - block1 += 8; - table += 32; - block += 8; - } -} - -void ff_fdct_mmx2(int16_t *block) -{ - int64_t align_tmp[16] ATTR_ALIGN(8); - int16_t *block1= (int16_t*)align_tmp; - const int16_t *table= tab_frw_01234567; - int i; - - fdct_col(block, block1, 0); - fdct_col(block, block1, 4); - - for(i=8;i>0;i--) { - fdct_row_mmx2(block1, block, table); - block1 += 8; - table += 32; - block += 8; - } -} - -void ff_fdct_sse2(int16_t *block) -{ - int64_t align_tmp[16] ATTR_ALIGN(16); - int16_t * const block1= (int16_t*)align_tmp; - - fdct_col(block, block1, 0); - fdct_col(block, block1, 4); - - fdct_row_sse2(block1, block); -} - |