1/* 2 * VP6 MMX/SSE2 optimizations 3 * Copyright (C) 2009 Sebastien Lucas <sebastien.lucas@gmail.com> 4 * Copyright (C) 2009 Zuxy Meng <zuxy.meng@gmail.com> 5 * 6 * This file is part of FFmpeg. 7 * 8 * FFmpeg is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public 10 * License as published by the Free Software Foundation; either 11 * version 2.1 of the License, or (at your option) any later version. 12 * 13 * FFmpeg is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with FFmpeg; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 22 23#include "libavutil/attributes.h" 24#include "libavutil/cpu.h" 25#include "libavutil/x86/asm.h" 26#include "libavutil/x86/cpu.h" 27#include "libavcodec/vp56dsp.h" 28 29void ff_vp6_filter_diag4_mmx(uint8_t *dst, uint8_t *src, int stride, 30 const int16_t *h_weights,const int16_t *v_weights); 31void ff_vp6_filter_diag4_sse2(uint8_t *dst, uint8_t *src, int stride, 32 const int16_t *h_weights,const int16_t *v_weights); 33 34av_cold void ff_vp6dsp_init_x86(VP56DSPContext* c, enum AVCodecID codec) 35{ 36 int cpu_flags = av_get_cpu_flags(); 37 38#if ARCH_X86_32 39 if (EXTERNAL_MMX(cpu_flags)) { 40 c->vp6_filter_diag4 = ff_vp6_filter_diag4_mmx; 41 } 42#endif 43 if (EXTERNAL_SSE2(cpu_flags)) { 44 c->vp6_filter_diag4 = ff_vp6_filter_diag4_sse2; 45 } 46} 47