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https://github.com/FFmpeg/FFmpeg.git
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0dcebb9f63
* commit '84d173d3de97c753234ab0c0b50551d51413d663': xvididct: Ensure that the scantable permutation is always set correctly Merged-by: Michael Niedermayer <michaelni@gmx.at>
53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/*
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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 "config.h"
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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/idctdsp.h"
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#include "libavcodec/xvididct.h"
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#include "idct_xvid.h"
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#include "idctdsp.h"
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av_cold void ff_xvididct_init_x86(IDCTDSPContext *c)
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{
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int cpu_flags = av_get_cpu_flags();
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if (INLINE_MMX(cpu_flags)) {
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c->idct_put = ff_idct_xvid_mmx_put;
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c->idct_add = ff_idct_xvid_mmx_add;
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c->idct = ff_idct_xvid_mmx;
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c->perm_type = FF_IDCT_PERM_NONE;
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}
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if (INLINE_MMXEXT(cpu_flags)) {
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c->idct_put = ff_idct_xvid_mmxext_put;
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c->idct_add = ff_idct_xvid_mmxext_add;
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c->idct = ff_idct_xvid_mmxext;
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c->perm_type = FF_IDCT_PERM_NONE;
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}
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if (INLINE_SSE2(cpu_flags)) {
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c->idct_put = ff_idct_xvid_sse2_put;
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c->idct_add = ff_idct_xvid_sse2_add;
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c->idct = ff_idct_xvid_sse2;
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c->perm_type = FF_IDCT_PERM_SSE2;
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}
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}
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