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 Libav. 7 * 8 * Libav 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 * Libav 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 Libav; 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/cpu.h" 24#include "libavutil/x86_cpu.h" 25#include "libavcodec/dsputil.h" 26#include "libavcodec/vp56dsp.h" 27 28void ff_vp6_filter_diag4_mmx(uint8_t *dst, uint8_t *src, int stride, 29 const int16_t *h_weights,const int16_t *v_weights); 30void ff_vp6_filter_diag4_sse2(uint8_t *dst, uint8_t *src, int stride, 31 const int16_t *h_weights,const int16_t *v_weights); 32 33av_cold void ff_vp56dsp_init_x86(VP56DSPContext* c, enum CodecID codec) 34{ 35#if HAVE_YASM 36 int mm_flags = av_get_cpu_flags(); 37 38 if (CONFIG_VP6_DECODER && codec == CODEC_ID_VP6) { 39 if (mm_flags & AV_CPU_FLAG_MMX) { 40 c->vp6_filter_diag4 = ff_vp6_filter_diag4_mmx; 41 } 42 43 if (mm_flags & AV_CPU_FLAG_SSE2) { 44 c->vp6_filter_diag4 = ff_vp6_filter_diag4_sse2; 45 } 46 } 47#endif 48} 49