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https://github.com/FFmpeg/FFmpeg.git
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bec180e112
* commit 'a1bcc76e6036e78f25cbb7323c145056cfca9d93': (21 commits) cmdutils: fix a memleak when specifying an option twice. x86: mpegvideo: more sensible names for optimization file and init function x86: mpegvideoenc: Split optimizations off into a separate file dnxhdenc: x86: more sensible names for optimization file and init function svq1/svq3: Move common code out of SVQ1 decoder-specific file dirac: add Comments and references to the standard lavr: x86: optimized 6-channel flt to fltp conversion lavr: x86: optimized 2-channel flt to fltp conversion lavr: x86: optimized 6-channel flt to s16p conversion lavr: x86: optimized 2-channel flt to s16p conversion lavr: x86: optimized 6-channel s16 to fltp conversion lavr: x86: optimized 2-channel s16 to fltp conversion lavr: x86: optimized 6-channel s16 to s16p conversion lavr: x86: optimized 2-channel s16 to s16p conversion lavr: x86: optimized 2-channel fltp to flt conversion lavr: x86: optimized 6-channel fltp to s16 conversion lavr: x86: optimized 2-channel fltp to s16 conversion lavr: x86: optimized 6-channel s16p to flt conversion lavr: x86: optimized 2-channel s16p to flt conversion lavr: x86: optimized 6-channel s16p to s16 conversion ... Conflicts: libavcodec/dirac.c libavcodec/mpegvideo.h libavcodec/x86/Makefile Merged-by: Michael Niedermayer <michaelni@gmx.at>
97 lines
2.5 KiB
C
97 lines
2.5 KiB
C
/*
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* The simplest mpeg encoder (well, it was the simplest!)
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* Copyright (c) 2000,2001 Fabrice Bellard
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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/asm.h"
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#include "libavcodec/avcodec.h"
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#include "libavcodec/dsputil.h"
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#include "libavcodec/mpegvideo.h"
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#include "dsputil_mmx.h"
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#if HAVE_INLINE_ASM
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extern uint16_t ff_inv_zigzag_direct16[64];
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#if HAVE_SSSE3
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#define HAVE_SSSE3_BAK
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#endif
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#undef HAVE_SSSE3
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#define HAVE_SSSE3 0
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#undef HAVE_SSE2
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#undef HAVE_MMXEXT
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#define HAVE_SSE2 0
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#define HAVE_MMXEXT 0
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#define RENAME(a) a ## _MMX
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#define RENAMEl(a) a ## _mmx
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#include "mpegvideoenc_template.c"
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#undef HAVE_MMXEXT
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#define HAVE_MMXEXT 1
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#undef RENAME
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#undef RENAMEl
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#define RENAME(a) a ## _MMX2
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#define RENAMEl(a) a ## _mmx2
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#include "mpegvideoenc_template.c"
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#undef HAVE_SSE2
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#define HAVE_SSE2 1
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#undef RENAME
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#undef RENAMEl
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#define RENAME(a) a ## _SSE2
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#define RENAMEl(a) a ## _sse2
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#include "mpegvideoenc_template.c"
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#ifdef HAVE_SSSE3_BAK
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#undef HAVE_SSSE3
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#define HAVE_SSSE3 1
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#undef RENAME
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#undef RENAMEl
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#define RENAME(a) a ## _SSSE3
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#define RENAMEl(a) a ## _sse2
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#include "mpegvideoenc_template.c"
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#endif
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#endif /* HAVE_INLINE_ASM */
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void ff_MPV_encode_init_x86(MpegEncContext *s)
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{
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#if HAVE_INLINE_ASM
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int mm_flags = av_get_cpu_flags();
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const int dct_algo = s->avctx->dct_algo;
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if (dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX) {
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#if HAVE_SSSE3
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if (mm_flags & AV_CPU_FLAG_SSSE3) {
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s->dct_quantize = dct_quantize_SSSE3;
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} else
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#endif
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if (mm_flags & AV_CPU_FLAG_SSE2) {
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s->dct_quantize = dct_quantize_SSE2;
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} else if (mm_flags & AV_CPU_FLAG_MMXEXT) {
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s->dct_quantize = dct_quantize_MMX2;
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} else {
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s->dct_quantize = dct_quantize_MMX;
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}
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}
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#endif /* HAVE_INLINE_ASM */
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}
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