aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* VP6 MMX/SSE2 optimizations
* Copyright (C) 2009 Sebastien Lucas <sebastien.lucas@gmail.com>
* Copyright (C) 2009 Zuxy Meng <zuxy.meng@gmail.com>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/x86/cpu.h"
#include "libavcodec/vp56dsp.h"
void ff_vp6_filter_diag4_mmx(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
const int16_t *h_weights,const int16_t *v_weights);
void ff_vp6_filter_diag4_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
const int16_t *h_weights,const int16_t *v_weights);
av_cold void ff_vp6dsp_init_x86(VP56DSPContext *c)
{
int cpu_flags = av_get_cpu_flags();
#if ARCH_X86_32
if (EXTERNAL_MMX(cpu_flags)) {
c->vp6_filter_diag4 = ff_vp6_filter_diag4_mmx;
}
#endif
if (EXTERNAL_SSE2(cpu_flags)) {
c->vp6_filter_diag4 = ff_vp6_filter_diag4_sse2;
}
}
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