mirror of
https://github.com/FFmpeg/FFmpeg.git
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19fb234e4a
About 2.5x the speed. NOTE: the way that the asm code handles large qmuls is a bit suboptimal. If x264-style dequant was used (separate shift and qmul values), it might be possible to get some extra speed. Originally committed as revision 26336 to svn://svn.ffmpeg.org/ffmpeg/trunk
383 lines
17 KiB
C
383 lines
17 KiB
C
/*
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* Copyright (c) 2004-2005 Michael Niedermayer, Loren Merritt
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/cpu.h"
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#include "libavutil/x86_cpu.h"
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#include "libavcodec/h264dsp.h"
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#include "dsputil_mmx.h"
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DECLARE_ALIGNED(8, static const uint64_t, ff_pb_3_1 ) = 0x0103010301030103ULL;
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/***********************************/
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/* IDCT */
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void ff_h264_idct_add_mmx (uint8_t *dst, int16_t *block, int stride);
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void ff_h264_idct8_add_mmx (uint8_t *dst, int16_t *block, int stride);
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void ff_h264_idct8_add_sse2 (uint8_t *dst, int16_t *block, int stride);
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void ff_h264_idct_dc_add_mmx2 (uint8_t *dst, int16_t *block, int stride);
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void ff_h264_idct8_dc_add_mmx2(uint8_t *dst, int16_t *block, int stride);
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void ff_h264_idct_add16_mmx (uint8_t *dst, const int *block_offset,
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DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
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void ff_h264_idct8_add4_mmx (uint8_t *dst, const int *block_offset,
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DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
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void ff_h264_idct_add16_mmx2 (uint8_t *dst, const int *block_offset,
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DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
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void ff_h264_idct_add16intra_mmx (uint8_t *dst, const int *block_offset,
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DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
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void ff_h264_idct_add16intra_mmx2(uint8_t *dst, const int *block_offset,
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DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
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void ff_h264_idct8_add4_mmx2 (uint8_t *dst, const int *block_offset,
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DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
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void ff_h264_idct8_add4_sse2 (uint8_t *dst, const int *block_offset,
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DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
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void ff_h264_idct_add8_mmx (uint8_t **dest, const int *block_offset,
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DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
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void ff_h264_idct_add8_mmx2 (uint8_t **dest, const int *block_offset,
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DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
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void ff_h264_idct_add16_sse2 (uint8_t *dst, const int *block_offset, DCTELEM *block,
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int stride, const uint8_t nnzc[6*8]);
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void ff_h264_idct_add16intra_sse2(uint8_t *dst, const int *block_offset, DCTELEM *block,
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int stride, const uint8_t nnzc[6*8]);
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void ff_h264_idct_add8_sse2 (uint8_t **dest, const int *block_offset, DCTELEM *block,
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int stride, const uint8_t nnzc[6*8]);
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void ff_h264_luma_dc_dequant_idct_mmx (DCTELEM *output, DCTELEM *input, int qmul);
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void ff_h264_luma_dc_dequant_idct_sse2(DCTELEM *output, DCTELEM *input, int qmul);
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/***********************************/
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/* deblocking */
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#define h264_loop_filter_strength_iteration_mmx2(bS, nz, ref, mv, bidir, edges, step, mask_mv, dir, d_idx, mask_dir) \
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do { \
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x86_reg b_idx; \
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mask_mv <<= 3; \
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for( b_idx=0; b_idx<edges; b_idx+=step ) { \
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if (!mask_dir) \
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__asm__ volatile( \
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"pxor %%mm0, %%mm0 \n\t" \
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:: \
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); \
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if(!(mask_mv & b_idx)) { \
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if(bidir) { \
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__asm__ volatile( \
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"movd %a3(%0,%2), %%mm2 \n" \
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"punpckldq %a4(%0,%2), %%mm2 \n" /* { ref0[bn], ref1[bn] } */ \
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"pshufw $0x44, 12(%0,%2), %%mm0 \n" /* { ref0[b], ref0[b] } */ \
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"pshufw $0x44, 52(%0,%2), %%mm1 \n" /* { ref1[b], ref1[b] } */ \
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"pshufw $0x4E, %%mm2, %%mm3 \n" \
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"psubb %%mm2, %%mm0 \n" /* { ref0[b]!=ref0[bn], ref0[b]!=ref1[bn] } */ \
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"psubb %%mm3, %%mm1 \n" /* { ref1[b]!=ref1[bn], ref1[b]!=ref0[bn] } */ \
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\
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"por %%mm1, %%mm0 \n" \
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"movq %a5(%1,%2,4), %%mm1 \n" \
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"movq %a6(%1,%2,4), %%mm2 \n" \
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"movq %%mm1, %%mm3 \n" \
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"movq %%mm2, %%mm4 \n" \
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"psubw 48(%1,%2,4), %%mm1 \n" \
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"psubw 56(%1,%2,4), %%mm2 \n" \
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"psubw 208(%1,%2,4), %%mm3 \n" \
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"psubw 216(%1,%2,4), %%mm4 \n" \
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"packsswb %%mm2, %%mm1 \n" \
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"packsswb %%mm4, %%mm3 \n" \
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"paddb %%mm6, %%mm1 \n" \
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"paddb %%mm6, %%mm3 \n" \
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"psubusb %%mm5, %%mm1 \n" /* abs(mv[b] - mv[bn]) >= limit */ \
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"psubusb %%mm5, %%mm3 \n" \
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"packsswb %%mm3, %%mm1 \n" \
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\
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"por %%mm1, %%mm0 \n" \
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"movq %a7(%1,%2,4), %%mm1 \n" \
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"movq %a8(%1,%2,4), %%mm2 \n" \
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"movq %%mm1, %%mm3 \n" \
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"movq %%mm2, %%mm4 \n" \
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"psubw 48(%1,%2,4), %%mm1 \n" \
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"psubw 56(%1,%2,4), %%mm2 \n" \
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"psubw 208(%1,%2,4), %%mm3 \n" \
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"psubw 216(%1,%2,4), %%mm4 \n" \
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"packsswb %%mm2, %%mm1 \n" \
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"packsswb %%mm4, %%mm3 \n" \
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"paddb %%mm6, %%mm1 \n" \
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"paddb %%mm6, %%mm3 \n" \
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"psubusb %%mm5, %%mm1 \n" /* abs(mv[b] - mv[bn]) >= limit */ \
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"psubusb %%mm5, %%mm3 \n" \
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"packsswb %%mm3, %%mm1 \n" \
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\
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"pshufw $0x4E, %%mm1, %%mm1 \n" \
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"por %%mm1, %%mm0 \n" \
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"pshufw $0x4E, %%mm0, %%mm1 \n" \
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"pminub %%mm1, %%mm0 \n" \
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::"r"(ref), \
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"r"(mv), \
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"r"(b_idx), \
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"i"(d_idx+12), \
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"i"(d_idx+52), \
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"i"(d_idx*4+48), \
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"i"(d_idx*4+56), \
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"i"(d_idx*4+208), \
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"i"(d_idx*4+216) \
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); \
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} else { \
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__asm__ volatile( \
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"movd 12(%0,%2), %%mm0 \n" \
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"psubb %a3(%0,%2), %%mm0 \n" /* ref[b] != ref[bn] */ \
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"movq 48(%1,%2,4), %%mm1 \n" \
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"movq 56(%1,%2,4), %%mm2 \n" \
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"psubw %a4(%1,%2,4), %%mm1 \n" \
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"psubw %a5(%1,%2,4), %%mm2 \n" \
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"packsswb %%mm2, %%mm1 \n" \
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"paddb %%mm6, %%mm1 \n" \
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"psubusb %%mm5, %%mm1 \n" /* abs(mv[b] - mv[bn]) >= limit */ \
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"packsswb %%mm1, %%mm1 \n" \
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"por %%mm1, %%mm0 \n" \
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::"r"(ref), \
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"r"(mv), \
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"r"(b_idx), \
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"i"(d_idx+12), \
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"i"(d_idx*4+48), \
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"i"(d_idx*4+56) \
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); \
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} \
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} \
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__asm__ volatile( \
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"movd 12(%0,%1), %%mm1 \n" \
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"por %a2(%0,%1), %%mm1 \n" /* nnz[b] || nnz[bn] */ \
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::"r"(nnz), \
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"r"(b_idx), \
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"i"(d_idx+12) \
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); \
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__asm__ volatile( \
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"pminub %%mm7, %%mm1 \n" \
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"pminub %%mm7, %%mm0 \n" \
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"psllw $1, %%mm1 \n" \
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"pxor %%mm2, %%mm2 \n" \
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"pmaxub %%mm0, %%mm1 \n" \
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"punpcklbw %%mm2, %%mm1 \n" \
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"movq %%mm1, %a1(%0,%2) \n" \
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::"r"(bS), \
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"i"(32*dir), \
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"r"(b_idx) \
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:"memory" \
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); \
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} \
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} while (0)
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static void h264_loop_filter_strength_mmx2( int16_t bS[2][4][4], uint8_t nnz[40], int8_t ref[2][40], int16_t mv[2][40][2],
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int bidir, int edges, int step, int mask_mv0, int mask_mv1, int field ) {
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__asm__ volatile(
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"movq %0, %%mm7 \n"
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"movq %1, %%mm6 \n"
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::"m"(ff_pb_1), "m"(ff_pb_3)
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);
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if(field)
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__asm__ volatile(
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"movq %0, %%mm6 \n"
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::"m"(ff_pb_3_1)
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);
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__asm__ volatile(
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"movq %%mm6, %%mm5 \n"
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"paddb %%mm5, %%mm5 \n"
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:);
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// could do a special case for dir==0 && edges==1, but it only reduces the
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// average filter time by 1.2%
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step <<= 3;
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edges <<= 3;
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h264_loop_filter_strength_iteration_mmx2(bS, nnz, ref, mv, bidir, edges, step, mask_mv1, 1, -8, 0);
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h264_loop_filter_strength_iteration_mmx2(bS, nnz, ref, mv, bidir, 32, 8, mask_mv0, 0, -1, -1);
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__asm__ volatile(
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"movq (%0), %%mm0 \n\t"
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"movq 8(%0), %%mm1 \n\t"
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"movq 16(%0), %%mm2 \n\t"
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"movq 24(%0), %%mm3 \n\t"
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TRANSPOSE4(%%mm0, %%mm1, %%mm2, %%mm3, %%mm4)
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"movq %%mm0, (%0) \n\t"
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"movq %%mm3, 8(%0) \n\t"
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"movq %%mm4, 16(%0) \n\t"
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"movq %%mm2, 24(%0) \n\t"
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::"r"(bS[0])
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:"memory"
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);
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}
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#define LF_FUNC(DIR, TYPE, OPT) \
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void ff_x264_deblock_ ## DIR ## _ ## TYPE ## _ ## OPT (uint8_t *pix, int stride, \
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int alpha, int beta, int8_t *tc0);
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#define LF_IFUNC(DIR, TYPE, OPT) \
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void ff_x264_deblock_ ## DIR ## _ ## TYPE ## _ ## OPT (uint8_t *pix, int stride, \
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int alpha, int beta);
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LF_FUNC (h, chroma, mmxext)
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LF_IFUNC(h, chroma_intra, mmxext)
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LF_FUNC (v, chroma, mmxext)
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LF_IFUNC(v, chroma_intra, mmxext)
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LF_FUNC (h, luma, mmxext)
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LF_IFUNC(h, luma_intra, mmxext)
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#if HAVE_YASM && ARCH_X86_32
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LF_FUNC (v8, luma, mmxext)
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static void ff_x264_deblock_v_luma_mmxext(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
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{
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if((tc0[0] & tc0[1]) >= 0)
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ff_x264_deblock_v8_luma_mmxext(pix+0, stride, alpha, beta, tc0);
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if((tc0[2] & tc0[3]) >= 0)
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ff_x264_deblock_v8_luma_mmxext(pix+8, stride, alpha, beta, tc0+2);
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}
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LF_IFUNC(v8, luma_intra, mmxext)
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static void ff_x264_deblock_v_luma_intra_mmxext(uint8_t *pix, int stride, int alpha, int beta)
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{
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ff_x264_deblock_v8_luma_intra_mmxext(pix+0, stride, alpha, beta);
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ff_x264_deblock_v8_luma_intra_mmxext(pix+8, stride, alpha, beta);
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}
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#endif
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LF_FUNC (h, luma, sse2)
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LF_IFUNC(h, luma_intra, sse2)
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LF_FUNC (v, luma, sse2)
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LF_IFUNC(v, luma_intra, sse2)
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/***********************************/
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/* weighted prediction */
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#define H264_WEIGHT(W, H, OPT) \
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void ff_h264_weight_ ## W ## x ## H ## _ ## OPT(uint8_t *dst, \
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int stride, int log2_denom, int weight, int offset);
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#define H264_BIWEIGHT(W, H, OPT) \
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void ff_h264_biweight_ ## W ## x ## H ## _ ## OPT(uint8_t *dst, \
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uint8_t *src, int stride, int log2_denom, int weightd, \
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int weights, int offset);
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#define H264_BIWEIGHT_MMX(W,H) \
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H264_WEIGHT (W, H, mmx2) \
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H264_BIWEIGHT(W, H, mmx2)
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#define H264_BIWEIGHT_MMX_SSE(W,H) \
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H264_BIWEIGHT_MMX(W, H) \
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H264_WEIGHT (W, H, sse2) \
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H264_BIWEIGHT (W, H, sse2) \
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H264_BIWEIGHT (W, H, ssse3)
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H264_BIWEIGHT_MMX_SSE(16, 16)
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H264_BIWEIGHT_MMX_SSE(16, 8)
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H264_BIWEIGHT_MMX_SSE( 8, 16)
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H264_BIWEIGHT_MMX_SSE( 8, 8)
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H264_BIWEIGHT_MMX_SSE( 8, 4)
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H264_BIWEIGHT_MMX ( 4, 8)
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H264_BIWEIGHT_MMX ( 4, 4)
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H264_BIWEIGHT_MMX ( 4, 2)
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void ff_h264dsp_init_x86(H264DSPContext *c)
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{
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int mm_flags = av_get_cpu_flags();
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if (mm_flags & AV_CPU_FLAG_MMX2) {
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c->h264_loop_filter_strength= h264_loop_filter_strength_mmx2;
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}
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#if HAVE_YASM
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if (mm_flags & AV_CPU_FLAG_MMX) {
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c->h264_idct_dc_add=
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c->h264_idct_add= ff_h264_idct_add_mmx;
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c->h264_idct8_dc_add=
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c->h264_idct8_add= ff_h264_idct8_add_mmx;
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c->h264_idct_add16 = ff_h264_idct_add16_mmx;
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c->h264_idct8_add4 = ff_h264_idct8_add4_mmx;
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c->h264_idct_add8 = ff_h264_idct_add8_mmx;
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c->h264_idct_add16intra= ff_h264_idct_add16intra_mmx;
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c->h264_luma_dc_dequant_idct= ff_h264_luma_dc_dequant_idct_mmx;
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if (mm_flags & AV_CPU_FLAG_MMX2) {
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c->h264_idct_dc_add= ff_h264_idct_dc_add_mmx2;
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c->h264_idct8_dc_add= ff_h264_idct8_dc_add_mmx2;
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c->h264_idct_add16 = ff_h264_idct_add16_mmx2;
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c->h264_idct8_add4 = ff_h264_idct8_add4_mmx2;
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c->h264_idct_add8 = ff_h264_idct_add8_mmx2;
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c->h264_idct_add16intra= ff_h264_idct_add16intra_mmx2;
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c->h264_v_loop_filter_chroma= ff_x264_deblock_v_chroma_mmxext;
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c->h264_h_loop_filter_chroma= ff_x264_deblock_h_chroma_mmxext;
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c->h264_v_loop_filter_chroma_intra= ff_x264_deblock_v_chroma_intra_mmxext;
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c->h264_h_loop_filter_chroma_intra= ff_x264_deblock_h_chroma_intra_mmxext;
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#if ARCH_X86_32
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c->h264_v_loop_filter_luma= ff_x264_deblock_v_luma_mmxext;
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c->h264_h_loop_filter_luma= ff_x264_deblock_h_luma_mmxext;
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c->h264_v_loop_filter_luma_intra = ff_x264_deblock_v_luma_intra_mmxext;
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c->h264_h_loop_filter_luma_intra = ff_x264_deblock_h_luma_intra_mmxext;
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#endif
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c->weight_h264_pixels_tab[0]= ff_h264_weight_16x16_mmx2;
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c->weight_h264_pixels_tab[1]= ff_h264_weight_16x8_mmx2;
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c->weight_h264_pixels_tab[2]= ff_h264_weight_8x16_mmx2;
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c->weight_h264_pixels_tab[3]= ff_h264_weight_8x8_mmx2;
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c->weight_h264_pixels_tab[4]= ff_h264_weight_8x4_mmx2;
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c->weight_h264_pixels_tab[5]= ff_h264_weight_4x8_mmx2;
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c->weight_h264_pixels_tab[6]= ff_h264_weight_4x4_mmx2;
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c->weight_h264_pixels_tab[7]= ff_h264_weight_4x2_mmx2;
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c->biweight_h264_pixels_tab[0]= ff_h264_biweight_16x16_mmx2;
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c->biweight_h264_pixels_tab[1]= ff_h264_biweight_16x8_mmx2;
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c->biweight_h264_pixels_tab[2]= ff_h264_biweight_8x16_mmx2;
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c->biweight_h264_pixels_tab[3]= ff_h264_biweight_8x8_mmx2;
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c->biweight_h264_pixels_tab[4]= ff_h264_biweight_8x4_mmx2;
|
|
c->biweight_h264_pixels_tab[5]= ff_h264_biweight_4x8_mmx2;
|
|
c->biweight_h264_pixels_tab[6]= ff_h264_biweight_4x4_mmx2;
|
|
c->biweight_h264_pixels_tab[7]= ff_h264_biweight_4x2_mmx2;
|
|
|
|
if (mm_flags&AV_CPU_FLAG_SSE2) {
|
|
c->h264_idct8_add = ff_h264_idct8_add_sse2;
|
|
c->h264_idct8_add4= ff_h264_idct8_add4_sse2;
|
|
c->h264_luma_dc_dequant_idct= ff_h264_luma_dc_dequant_idct_sse2;
|
|
|
|
c->weight_h264_pixels_tab[0]= ff_h264_weight_16x16_sse2;
|
|
c->weight_h264_pixels_tab[1]= ff_h264_weight_16x8_sse2;
|
|
c->weight_h264_pixels_tab[2]= ff_h264_weight_8x16_sse2;
|
|
c->weight_h264_pixels_tab[3]= ff_h264_weight_8x8_sse2;
|
|
c->weight_h264_pixels_tab[4]= ff_h264_weight_8x4_sse2;
|
|
|
|
c->biweight_h264_pixels_tab[0]= ff_h264_biweight_16x16_sse2;
|
|
c->biweight_h264_pixels_tab[1]= ff_h264_biweight_16x8_sse2;
|
|
c->biweight_h264_pixels_tab[2]= ff_h264_biweight_8x16_sse2;
|
|
c->biweight_h264_pixels_tab[3]= ff_h264_biweight_8x8_sse2;
|
|
c->biweight_h264_pixels_tab[4]= ff_h264_biweight_8x4_sse2;
|
|
|
|
#if HAVE_ALIGNED_STACK
|
|
c->h264_v_loop_filter_luma = ff_x264_deblock_v_luma_sse2;
|
|
c->h264_h_loop_filter_luma = ff_x264_deblock_h_luma_sse2;
|
|
c->h264_v_loop_filter_luma_intra = ff_x264_deblock_v_luma_intra_sse2;
|
|
c->h264_h_loop_filter_luma_intra = ff_x264_deblock_h_luma_intra_sse2;
|
|
#endif
|
|
|
|
c->h264_idct_add16 = ff_h264_idct_add16_sse2;
|
|
c->h264_idct_add8 = ff_h264_idct_add8_sse2;
|
|
c->h264_idct_add16intra = ff_h264_idct_add16intra_sse2;
|
|
}
|
|
if (mm_flags&AV_CPU_FLAG_SSSE3) {
|
|
c->biweight_h264_pixels_tab[0]= ff_h264_biweight_16x16_ssse3;
|
|
c->biweight_h264_pixels_tab[1]= ff_h264_biweight_16x8_ssse3;
|
|
c->biweight_h264_pixels_tab[2]= ff_h264_biweight_8x16_ssse3;
|
|
c->biweight_h264_pixels_tab[3]= ff_h264_biweight_8x8_ssse3;
|
|
c->biweight_h264_pixels_tab[4]= ff_h264_biweight_8x4_ssse3;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|