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45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
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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/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/x86/cpu.h"
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#include "libavcodec/avcodec.h"
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#include "libavcodec/fdctdsp.h"
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#include "fdct.h"
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av_cold void ff_fdctdsp_init_x86(FDCTDSPContext *c, AVCodecContext *avctx,
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unsigned high_bit_depth)
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{
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int cpu_flags = av_get_cpu_flags();
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const int dct_algo = avctx->dct_algo;
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if (!high_bit_depth) {
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if ((dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX)) {
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if (INLINE_MMX(cpu_flags))
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c->fdct = ff_fdct_mmx;
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if (INLINE_MMXEXT(cpu_flags))
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c->fdct = ff_fdct_mmxext;
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if (INLINE_SSE2(cpu_flags))
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c->fdct = ff_fdct_sse2;
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}
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}
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}
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