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Diffstat (limited to 'src/libffmpeg/libavcodec/ppc/h264_altivec.c')
-rw-r--r--src/libffmpeg/libavcodec/ppc/h264_altivec.c565
1 files changed, 0 insertions, 565 deletions
diff --git a/src/libffmpeg/libavcodec/ppc/h264_altivec.c b/src/libffmpeg/libavcodec/ppc/h264_altivec.c
deleted file mode 100644
index bac620e82..000000000
--- a/src/libffmpeg/libavcodec/ppc/h264_altivec.c
+++ /dev/null
@@ -1,565 +0,0 @@
-/*
- * Copyright (c) 2004 Romain Dolbeau <romain@dolbeau.org>
- *
- * 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 "../dsputil.h"
-
-#include "gcc_fixes.h"
-
-#include "dsputil_altivec.h"
-#include "types_altivec.h"
-
-#define PUT_OP_U8_ALTIVEC(d, s, dst) d = s
-#define AVG_OP_U8_ALTIVEC(d, s, dst) d = vec_avg(dst, s)
-
-#define OP_U8_ALTIVEC PUT_OP_U8_ALTIVEC
-#define PREFIX_h264_chroma_mc8_altivec put_h264_chroma_mc8_altivec
-#define PREFIX_h264_chroma_mc8_num altivec_put_h264_chroma_mc8_num
-#define PREFIX_h264_qpel16_h_lowpass_altivec put_h264_qpel16_h_lowpass_altivec
-#define PREFIX_h264_qpel16_h_lowpass_num altivec_put_h264_qpel16_h_lowpass_num
-#define PREFIX_h264_qpel16_v_lowpass_altivec put_h264_qpel16_v_lowpass_altivec
-#define PREFIX_h264_qpel16_v_lowpass_num altivec_put_h264_qpel16_v_lowpass_num
-#define PREFIX_h264_qpel16_hv_lowpass_altivec put_h264_qpel16_hv_lowpass_altivec
-#define PREFIX_h264_qpel16_hv_lowpass_num altivec_put_h264_qpel16_hv_lowpass_num
-#include "h264_template_altivec.c"
-#undef OP_U8_ALTIVEC
-#undef PREFIX_h264_chroma_mc8_altivec
-#undef PREFIX_h264_chroma_mc8_num
-#undef PREFIX_h264_qpel16_h_lowpass_altivec
-#undef PREFIX_h264_qpel16_h_lowpass_num
-#undef PREFIX_h264_qpel16_v_lowpass_altivec
-#undef PREFIX_h264_qpel16_v_lowpass_num
-#undef PREFIX_h264_qpel16_hv_lowpass_altivec
-#undef PREFIX_h264_qpel16_hv_lowpass_num
-
-#define OP_U8_ALTIVEC AVG_OP_U8_ALTIVEC
-#define PREFIX_h264_chroma_mc8_altivec avg_h264_chroma_mc8_altivec
-#define PREFIX_h264_chroma_mc8_num altivec_avg_h264_chroma_mc8_num
-#define PREFIX_h264_qpel16_h_lowpass_altivec avg_h264_qpel16_h_lowpass_altivec
-#define PREFIX_h264_qpel16_h_lowpass_num altivec_avg_h264_qpel16_h_lowpass_num
-#define PREFIX_h264_qpel16_v_lowpass_altivec avg_h264_qpel16_v_lowpass_altivec
-#define PREFIX_h264_qpel16_v_lowpass_num altivec_avg_h264_qpel16_v_lowpass_num
-#define PREFIX_h264_qpel16_hv_lowpass_altivec avg_h264_qpel16_hv_lowpass_altivec
-#define PREFIX_h264_qpel16_hv_lowpass_num altivec_avg_h264_qpel16_hv_lowpass_num
-#include "h264_template_altivec.c"
-#undef OP_U8_ALTIVEC
-#undef PREFIX_h264_chroma_mc8_altivec
-#undef PREFIX_h264_chroma_mc8_num
-#undef PREFIX_h264_qpel16_h_lowpass_altivec
-#undef PREFIX_h264_qpel16_h_lowpass_num
-#undef PREFIX_h264_qpel16_v_lowpass_altivec
-#undef PREFIX_h264_qpel16_v_lowpass_num
-#undef PREFIX_h264_qpel16_hv_lowpass_altivec
-#undef PREFIX_h264_qpel16_hv_lowpass_num
-
-#define H264_MC(OPNAME, SIZE, CODETYPE) \
-static void OPNAME ## h264_qpel ## SIZE ## _mc00_ ## CODETYPE (uint8_t *dst, uint8_t *src, int stride){\
- OPNAME ## pixels ## SIZE ## _ ## CODETYPE(dst, src, stride, SIZE);\
-}\
-\
-static void OPNAME ## h264_qpel ## SIZE ## _mc10_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){ \
- DECLARE_ALIGNED_16(uint8_t, half[SIZE*SIZE]);\
- put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
- OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\
-}\
-\
-static void OPNAME ## h264_qpel ## SIZE ## _mc20_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
- OPNAME ## h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(dst, src, stride, stride);\
-}\
-\
-static void OPNAME ## h264_qpel ## SIZE ## _mc30_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
- DECLARE_ALIGNED_16(uint8_t, half[SIZE*SIZE]);\
- put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
- OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+1, half, stride, stride, SIZE);\
-}\
-\
-static void OPNAME ## h264_qpel ## SIZE ## _mc01_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
- DECLARE_ALIGNED_16(uint8_t, half[SIZE*SIZE]);\
- put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
- OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\
-}\
-\
-static void OPNAME ## h264_qpel ## SIZE ## _mc02_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
- OPNAME ## h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(dst, src, stride, stride);\
-}\
-\
-static void OPNAME ## h264_qpel ## SIZE ## _mc03_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
- DECLARE_ALIGNED_16(uint8_t, half[SIZE*SIZE]);\
- put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
- OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+stride, half, stride, stride, SIZE);\
-}\
-\
-static void OPNAME ## h264_qpel ## SIZE ## _mc11_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
- DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\
- DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\
- put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
- put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
- OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
-}\
-\
-static void OPNAME ## h264_qpel ## SIZE ## _mc31_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
- DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\
- DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\
- put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
- put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
- OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
-}\
-\
-static void OPNAME ## h264_qpel ## SIZE ## _mc13_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
- DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\
- DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\
- put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
- put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
- OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
-}\
-\
-static void OPNAME ## h264_qpel ## SIZE ## _mc33_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
- DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\
- DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\
- put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
- put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
- OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
-}\
-\
-static void OPNAME ## h264_qpel ## SIZE ## _mc22_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
- DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\
- OPNAME ## h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(dst, tmp, src, stride, SIZE, stride);\
-}\
-\
-static void OPNAME ## h264_qpel ## SIZE ## _mc21_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
- DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\
- DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\
- DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\
- put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
- put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
- OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\
-}\
-\
-static void OPNAME ## h264_qpel ## SIZE ## _mc23_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
- DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\
- DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\
- DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\
- put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
- put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
- OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\
-}\
-\
-static void OPNAME ## h264_qpel ## SIZE ## _mc12_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
- DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\
- DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\
- DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\
- put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
- put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
- OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\
-}\
-\
-static void OPNAME ## h264_qpel ## SIZE ## _mc32_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
- DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\
- DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\
- DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\
- put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
- put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
- OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\
-}\
-
-/* this code assume that stride % 16 == 0 */
-void put_no_rnd_h264_chroma_mc8_altivec(uint8_t * dst, uint8_t * src, int stride, int h, int x, int y) {
- signed int ABCD[4] __attribute__((aligned(16))) =
- {((8 - x) * (8 - y)),
- ((x) * (8 - y)),
- ((8 - x) * (y)),
- ((x) * (y))};
- register int i;
- vector unsigned char fperm;
- const vector signed int vABCD = vec_ld(0, ABCD);
- const vector signed short vA = vec_splat((vector signed short)vABCD, 1);
- const vector signed short vB = vec_splat((vector signed short)vABCD, 3);
- const vector signed short vC = vec_splat((vector signed short)vABCD, 5);
- const vector signed short vD = vec_splat((vector signed short)vABCD, 7);
- const vector signed int vzero = vec_splat_s32(0);
- const vector signed short v28ss = vec_sub(vec_sl(vec_splat_s16(1),vec_splat_u16(5)),vec_splat_s16(4));
- const vector unsigned short v6us = vec_splat_u16(6);
- register int loadSecond = (((unsigned long)src) % 16) <= 7 ? 0 : 1;
- register int reallyBadAlign = (((unsigned long)src) % 16) == 15 ? 1 : 0;
-
- vector unsigned char vsrcAuc, vsrcBuc, vsrcperm0, vsrcperm1;
- vector unsigned char vsrc0uc, vsrc1uc;
- vector signed short vsrc0ssH, vsrc1ssH;
- vector unsigned char vsrcCuc, vsrc2uc, vsrc3uc;
- vector signed short vsrc2ssH, vsrc3ssH, psum;
- vector unsigned char vdst, ppsum, fsum;
-
- if (((unsigned long)dst) % 16 == 0) {
- fperm = (vector unsigned char)AVV(0x10, 0x11, 0x12, 0x13,
- 0x14, 0x15, 0x16, 0x17,
- 0x08, 0x09, 0x0A, 0x0B,
- 0x0C, 0x0D, 0x0E, 0x0F);
- } else {
- fperm = (vector unsigned char)AVV(0x00, 0x01, 0x02, 0x03,
- 0x04, 0x05, 0x06, 0x07,
- 0x18, 0x19, 0x1A, 0x1B,
- 0x1C, 0x1D, 0x1E, 0x1F);
- }
-
- vsrcAuc = vec_ld(0, src);
-
- if (loadSecond)
- vsrcBuc = vec_ld(16, src);
- vsrcperm0 = vec_lvsl(0, src);
- vsrcperm1 = vec_lvsl(1, src);
-
- vsrc0uc = vec_perm(vsrcAuc, vsrcBuc, vsrcperm0);
- if (reallyBadAlign)
- vsrc1uc = vsrcBuc;
- else
- vsrc1uc = vec_perm(vsrcAuc, vsrcBuc, vsrcperm1);
-
- vsrc0ssH = (vector signed short)vec_mergeh((vector unsigned char)vzero,
- (vector unsigned char)vsrc0uc);
- vsrc1ssH = (vector signed short)vec_mergeh((vector unsigned char)vzero,
- (vector unsigned char)vsrc1uc);
-
- if (!loadSecond) {// -> !reallyBadAlign
- for (i = 0 ; i < h ; i++) {
-
-
- vsrcCuc = vec_ld(stride + 0, src);
-
- vsrc2uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm0);
- vsrc3uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm1);
-
- vsrc2ssH = (vector signed short)vec_mergeh((vector unsigned char)vzero,
- (vector unsigned char)vsrc2uc);
- vsrc3ssH = (vector signed short)vec_mergeh((vector unsigned char)vzero,
- (vector unsigned char)vsrc3uc);
-
- psum = vec_mladd(vA, vsrc0ssH, vec_splat_s16(0));
- psum = vec_mladd(vB, vsrc1ssH, psum);
- psum = vec_mladd(vC, vsrc2ssH, psum);
- psum = vec_mladd(vD, vsrc3ssH, psum);
- psum = vec_add(v28ss, psum);
- psum = vec_sra(psum, v6us);
-
- vdst = vec_ld(0, dst);
- ppsum = (vector unsigned char)vec_packsu(psum, psum);
- fsum = vec_perm(vdst, ppsum, fperm);
-
- vec_st(fsum, 0, dst);
-
- vsrc0ssH = vsrc2ssH;
- vsrc1ssH = vsrc3ssH;
-
- dst += stride;
- src += stride;
- }
- } else {
- vector unsigned char vsrcDuc;
- for (i = 0 ; i < h ; i++) {
- vsrcCuc = vec_ld(stride + 0, src);
- vsrcDuc = vec_ld(stride + 16, src);
-
- vsrc2uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm0);
- if (reallyBadAlign)
- vsrc3uc = vsrcDuc;
- else
- vsrc3uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm1);
-
- vsrc2ssH = (vector signed short)vec_mergeh((vector unsigned char)vzero,
- (vector unsigned char)vsrc2uc);
- vsrc3ssH = (vector signed short)vec_mergeh((vector unsigned char)vzero,
- (vector unsigned char)vsrc3uc);
-
- psum = vec_mladd(vA, vsrc0ssH, vec_splat_s16(0));
- psum = vec_mladd(vB, vsrc1ssH, psum);
- psum = vec_mladd(vC, vsrc2ssH, psum);
- psum = vec_mladd(vD, vsrc3ssH, psum);
- psum = vec_add(v28ss, psum);
- psum = vec_sr(psum, v6us);
-
- vdst = vec_ld(0, dst);
- ppsum = (vector unsigned char)vec_pack(psum, psum);
- fsum = vec_perm(vdst, ppsum, fperm);
-
- vec_st(fsum, 0, dst);
-
- vsrc0ssH = vsrc2ssH;
- vsrc1ssH = vsrc3ssH;
-
- dst += stride;
- src += stride;
- }
- }
-}
-
-static inline void put_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1,
- const uint8_t * src2, int dst_stride,
- int src_stride1, int h)
-{
- int i;
- vector unsigned char a, b, d, tmp1, tmp2, mask, mask_, edges, align;
-
- mask_ = vec_lvsl(0, src2);
-
- for (i = 0; i < h; i++) {
-
- tmp1 = vec_ld(i * src_stride1, src1);
- mask = vec_lvsl(i * src_stride1, src1);
- tmp2 = vec_ld(i * src_stride1 + 15, src1);
-
- a = vec_perm(tmp1, tmp2, mask);
-
- tmp1 = vec_ld(i * 16, src2);
- tmp2 = vec_ld(i * 16 + 15, src2);
-
- b = vec_perm(tmp1, tmp2, mask_);
-
- tmp1 = vec_ld(0, dst);
- mask = vec_lvsl(0, dst);
- tmp2 = vec_ld(15, dst);
-
- d = vec_avg(a, b);
-
- edges = vec_perm(tmp2, tmp1, mask);
-
- align = vec_lvsr(0, dst);
-
- tmp2 = vec_perm(d, edges, align);
- tmp1 = vec_perm(edges, d, align);
-
- vec_st(tmp2, 15, dst);
- vec_st(tmp1, 0 , dst);
-
- dst += dst_stride;
- }
-}
-
-static inline void avg_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1,
- const uint8_t * src2, int dst_stride,
- int src_stride1, int h)
-{
- int i;
- vector unsigned char a, b, d, tmp1, tmp2, mask, mask_, edges, align;
-
- mask_ = vec_lvsl(0, src2);
-
- for (i = 0; i < h; i++) {
-
- tmp1 = vec_ld(i * src_stride1, src1);
- mask = vec_lvsl(i * src_stride1, src1);
- tmp2 = vec_ld(i * src_stride1 + 15, src1);
-
- a = vec_perm(tmp1, tmp2, mask);
-
- tmp1 = vec_ld(i * 16, src2);
- tmp2 = vec_ld(i * 16 + 15, src2);
-
- b = vec_perm(tmp1, tmp2, mask_);
-
- tmp1 = vec_ld(0, dst);
- mask = vec_lvsl(0, dst);
- tmp2 = vec_ld(15, dst);
-
- d = vec_avg(vec_perm(tmp1, tmp2, mask), vec_avg(a, b));
-
- edges = vec_perm(tmp2, tmp1, mask);
-
- align = vec_lvsr(0, dst);
-
- tmp2 = vec_perm(d, edges, align);
- tmp1 = vec_perm(edges, d, align);
-
- vec_st(tmp2, 15, dst);
- vec_st(tmp1, 0 , dst);
-
- dst += dst_stride;
- }
-}
-
-/* Implemented but could be faster
-#define put_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) put_pixels16_l2(d,s1,s2,ds,s1s,16,h)
-#define avg_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) avg_pixels16_l2(d,s1,s2,ds,s1s,16,h)
- */
-
- H264_MC(put_, 16, altivec)
- H264_MC(avg_, 16, altivec)
-
-
-/****************************************************************************
- * IDCT transform:
- ****************************************************************************/
-
-#define IDCT8_1D_ALTIVEC(s0, s1, s2, s3, s4, s5, s6, s7, d0, d1, d2, d3, d4, d5, d6, d7) {\
- /* a0 = SRC(0) + SRC(4); */ \
- vec_s16_t a0v = vec_add(s0, s4); \
- /* a2 = SRC(0) - SRC(4); */ \
- vec_s16_t a2v = vec_sub(s0, s4); \
- /* a4 = (SRC(2)>>1) - SRC(6); */ \
- vec_s16_t a4v = vec_sub(vec_sra(s2, onev), s6); \
- /* a6 = (SRC(6)>>1) + SRC(2); */ \
- vec_s16_t a6v = vec_add(vec_sra(s6, onev), s2); \
- /* b0 = a0 + a6; */ \
- vec_s16_t b0v = vec_add(a0v, a6v); \
- /* b2 = a2 + a4; */ \
- vec_s16_t b2v = vec_add(a2v, a4v); \
- /* b4 = a2 - a4; */ \
- vec_s16_t b4v = vec_sub(a2v, a4v); \
- /* b6 = a0 - a6; */ \
- vec_s16_t b6v = vec_sub(a0v, a6v); \
- /* a1 = SRC(5) - SRC(3) - SRC(7) - (SRC(7)>>1); */ \
- /* a1 = (SRC(5)-SRC(3)) - (SRC(7) + (SRC(7)>>1)); */ \
- vec_s16_t a1v = vec_sub( vec_sub(s5, s3), vec_add(s7, vec_sra(s7, onev)) ); \
- /* a3 = SRC(7) + SRC(1) - SRC(3) - (SRC(3)>>1); */ \
- /* a3 = (SRC(7)+SRC(1)) - (SRC(3) + (SRC(3)>>1)); */ \
- vec_s16_t a3v = vec_sub( vec_add(s7, s1), vec_add(s3, vec_sra(s3, onev)) );\
- /* a5 = SRC(7) - SRC(1) + SRC(5) + (SRC(5)>>1); */ \
- /* a5 = (SRC(7)-SRC(1)) + SRC(5) + (SRC(5)>>1); */ \
- vec_s16_t a5v = vec_add( vec_sub(s7, s1), vec_add(s5, vec_sra(s5, onev)) );\
- /* a7 = SRC(5)+SRC(3) + SRC(1) + (SRC(1)>>1); */ \
- vec_s16_t a7v = vec_add( vec_add(s5, s3), vec_add(s1, vec_sra(s1, onev)) );\
- /* b1 = (a7>>2) + a1; */ \
- vec_s16_t b1v = vec_add( vec_sra(a7v, twov), a1v); \
- /* b3 = a3 + (a5>>2); */ \
- vec_s16_t b3v = vec_add(a3v, vec_sra(a5v, twov)); \
- /* b5 = (a3>>2) - a5; */ \
- vec_s16_t b5v = vec_sub( vec_sra(a3v, twov), a5v); \
- /* b7 = a7 - (a1>>2); */ \
- vec_s16_t b7v = vec_sub( a7v, vec_sra(a1v, twov)); \
- /* DST(0, b0 + b7); */ \
- d0 = vec_add(b0v, b7v); \
- /* DST(1, b2 + b5); */ \
- d1 = vec_add(b2v, b5v); \
- /* DST(2, b4 + b3); */ \
- d2 = vec_add(b4v, b3v); \
- /* DST(3, b6 + b1); */ \
- d3 = vec_add(b6v, b1v); \
- /* DST(4, b6 - b1); */ \
- d4 = vec_sub(b6v, b1v); \
- /* DST(5, b4 - b3); */ \
- d5 = vec_sub(b4v, b3v); \
- /* DST(6, b2 - b5); */ \
- d6 = vec_sub(b2v, b5v); \
- /* DST(7, b0 - b7); */ \
- d7 = vec_sub(b0v, b7v); \
-}
-
-#define ALTIVEC_STORE_SUM_CLIP(dest, idctv, perm_ldv, perm_stv, sel) { \
- /* unaligned load */ \
- vec_u8_t hv = vec_ld( 0, dest ); \
- vec_u8_t lv = vec_ld( 7, dest ); \
- vec_u8_t dstv = vec_perm( hv, lv, (vec_u8_t)perm_ldv ); \
- vec_s16_t idct_sh6 = vec_sra(idctv, sixv); \
- vec_u16_t dst16 = (vec_u16_t)vec_mergeh(zero_u8v, dstv); \
- vec_s16_t idstsum = vec_adds(idct_sh6, (vec_s16_t)dst16); \
- vec_u8_t idstsum8 = vec_packsu(zero_s16v, idstsum); \
- vec_u8_t edgehv; \
- /* unaligned store */ \
- vec_u8_t bodyv = vec_perm( idstsum8, idstsum8, perm_stv );\
- vec_u8_t edgelv = vec_perm( sel, zero_u8v, perm_stv ); \
- lv = vec_sel( lv, bodyv, edgelv ); \
- vec_st( lv, 7, dest ); \
- hv = vec_ld( 0, dest ); \
- edgehv = vec_perm( zero_u8v, sel, perm_stv ); \
- hv = vec_sel( hv, bodyv, edgehv ); \
- vec_st( hv, 0, dest ); \
- }
-
-void ff_h264_idct8_add_altivec( uint8_t *dst, DCTELEM *dct, int stride ) {
- vec_s16_t s0, s1, s2, s3, s4, s5, s6, s7;
- vec_s16_t d0, d1, d2, d3, d4, d5, d6, d7;
- vec_s16_t idct0, idct1, idct2, idct3, idct4, idct5, idct6, idct7;
-
- vec_u8_t perm_ldv = vec_lvsl(0, dst);
- vec_u8_t perm_stv = vec_lvsr(8, dst);
-
- const vec_u16_t onev = vec_splat_u16(1);
- const vec_u16_t twov = vec_splat_u16(2);
- const vec_u16_t sixv = vec_splat_u16(6);
-
- const vec_u8_t sel = (vec_u8_t) AVV(0,0,0,0,0,0,0,0,
- -1,-1,-1,-1,-1,-1,-1,-1);
- LOAD_ZERO;
-
- dct[0] += 32; // rounding for the >>6 at the end
-
- s0 = vec_ld(0x00, (int16_t*)dct);
- s1 = vec_ld(0x10, (int16_t*)dct);
- s2 = vec_ld(0x20, (int16_t*)dct);
- s3 = vec_ld(0x30, (int16_t*)dct);
- s4 = vec_ld(0x40, (int16_t*)dct);
- s5 = vec_ld(0x50, (int16_t*)dct);
- s6 = vec_ld(0x60, (int16_t*)dct);
- s7 = vec_ld(0x70, (int16_t*)dct);
-
- IDCT8_1D_ALTIVEC(s0, s1, s2, s3, s4, s5, s6, s7,
- d0, d1, d2, d3, d4, d5, d6, d7);
-
- TRANSPOSE8( d0, d1, d2, d3, d4, d5, d6, d7 );
-
- IDCT8_1D_ALTIVEC(d0, d1, d2, d3, d4, d5, d6, d7,
- idct0, idct1, idct2, idct3, idct4, idct5, idct6, idct7);
-
- ALTIVEC_STORE_SUM_CLIP(&dst[0*stride], idct0, perm_ldv, perm_stv, sel);
- ALTIVEC_STORE_SUM_CLIP(&dst[1*stride], idct1, perm_ldv, perm_stv, sel);
- ALTIVEC_STORE_SUM_CLIP(&dst[2*stride], idct2, perm_ldv, perm_stv, sel);
- ALTIVEC_STORE_SUM_CLIP(&dst[3*stride], idct3, perm_ldv, perm_stv, sel);
- ALTIVEC_STORE_SUM_CLIP(&dst[4*stride], idct4, perm_ldv, perm_stv, sel);
- ALTIVEC_STORE_SUM_CLIP(&dst[5*stride], idct5, perm_ldv, perm_stv, sel);
- ALTIVEC_STORE_SUM_CLIP(&dst[6*stride], idct6, perm_ldv, perm_stv, sel);
- ALTIVEC_STORE_SUM_CLIP(&dst[7*stride], idct7, perm_ldv, perm_stv, sel);
-}
-
-void dsputil_h264_init_ppc(DSPContext* c, AVCodecContext *avctx) {
-
-#ifdef HAVE_ALTIVEC
- if (has_altivec()) {
- c->put_h264_chroma_pixels_tab[0] = put_h264_chroma_mc8_altivec;
- c->put_no_rnd_h264_chroma_pixels_tab[0] = put_no_rnd_h264_chroma_mc8_altivec;
- c->avg_h264_chroma_pixels_tab[0] = avg_h264_chroma_mc8_altivec;
- c->h264_idct8_add = ff_h264_idct8_add_altivec;
-
-#define dspfunc(PFX, IDX, NUM) \
- c->PFX ## _pixels_tab[IDX][ 0] = PFX ## NUM ## _mc00_altivec; \
- c->PFX ## _pixels_tab[IDX][ 1] = PFX ## NUM ## _mc10_altivec; \
- c->PFX ## _pixels_tab[IDX][ 2] = PFX ## NUM ## _mc20_altivec; \
- c->PFX ## _pixels_tab[IDX][ 3] = PFX ## NUM ## _mc30_altivec; \
- c->PFX ## _pixels_tab[IDX][ 4] = PFX ## NUM ## _mc01_altivec; \
- c->PFX ## _pixels_tab[IDX][ 5] = PFX ## NUM ## _mc11_altivec; \
- c->PFX ## _pixels_tab[IDX][ 6] = PFX ## NUM ## _mc21_altivec; \
- c->PFX ## _pixels_tab[IDX][ 7] = PFX ## NUM ## _mc31_altivec; \
- c->PFX ## _pixels_tab[IDX][ 8] = PFX ## NUM ## _mc02_altivec; \
- c->PFX ## _pixels_tab[IDX][ 9] = PFX ## NUM ## _mc12_altivec; \
- c->PFX ## _pixels_tab[IDX][10] = PFX ## NUM ## _mc22_altivec; \
- c->PFX ## _pixels_tab[IDX][11] = PFX ## NUM ## _mc32_altivec; \
- c->PFX ## _pixels_tab[IDX][12] = PFX ## NUM ## _mc03_altivec; \
- c->PFX ## _pixels_tab[IDX][13] = PFX ## NUM ## _mc13_altivec; \
- c->PFX ## _pixels_tab[IDX][14] = PFX ## NUM ## _mc23_altivec; \
- c->PFX ## _pixels_tab[IDX][15] = PFX ## NUM ## _mc33_altivec
-
- dspfunc(put_h264_qpel, 0, 16);
- dspfunc(avg_h264_qpel, 0, 16);
-#undef dspfunc
-
- } else
-#endif /* HAVE_ALTIVEC */
- {
- // Non-AltiVec PPC optimisations
-
- // ... pending ...
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-25 18:15:31 +0000