mirror of
https://github.com/librempeg/librempeg
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6cb3ee80b3
The only systems which benefit from it are truely ancient 32bit x86s as all other systems use at least the SSE2 versions (this includes all x64 cpus (which is why this code is restricted to x86-32)). Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
39 lines
1.4 KiB
C
39 lines
1.4 KiB
C
/*
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* VP6 MMX/SSE2 optimizations
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* Copyright (C) 2009 Sebastien Lucas <sebastien.lucas@gmail.com>
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* Copyright (C) 2009 Zuxy Meng <zuxy.meng@gmail.com>
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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/vp56dsp.h"
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void ff_vp6_filter_diag4_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
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const int16_t *h_weights,const int16_t *v_weights);
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av_cold void ff_vp6dsp_init_x86(VP56DSPContext *c)
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{
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int cpu_flags = av_get_cpu_flags();
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if (EXTERNAL_SSE2(cpu_flags)) {
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c->vp6_filter_diag4 = ff_vp6_filter_diag4_sse2;
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}
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}
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