yading@10: /*
yading@10:  * VP6 MMX/SSE2 optimizations
yading@10:  * Copyright (C) 2009  Sebastien Lucas <sebastien.lucas@gmail.com>
yading@10:  * Copyright (C) 2009  Zuxy Meng <zuxy.meng@gmail.com>
yading@10:  *
yading@10:  * This file is part of FFmpeg.
yading@10:  *
yading@10:  * FFmpeg is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * FFmpeg is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with FFmpeg; if not, write to the Free Software
yading@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: #include "libavutil/cpu.h"
yading@10: #include "libavutil/x86/asm.h"
yading@10: #include "libavutil/x86/cpu.h"
yading@10: #include "libavcodec/vp56dsp.h"
yading@10: 
yading@10: void ff_vp6_filter_diag4_mmx(uint8_t *dst, uint8_t *src, int stride,
yading@10:                              const int16_t *h_weights,const int16_t *v_weights);
yading@10: void ff_vp6_filter_diag4_sse2(uint8_t *dst, uint8_t *src, int stride,
yading@10:                               const int16_t *h_weights,const int16_t *v_weights);
yading@10: 
yading@10: av_cold void ff_vp56dsp_init_x86(VP56DSPContext* c, enum AVCodecID codec)
yading@10: {
yading@10:     int mm_flags = av_get_cpu_flags();
yading@10: 
yading@10:     if (CONFIG_VP6_DECODER && codec == AV_CODEC_ID_VP6) {
yading@10: #if ARCH_X86_32
yading@10:         if (EXTERNAL_MMX(mm_flags)) {
yading@10:             c->vp6_filter_diag4 = ff_vp6_filter_diag4_mmx;
yading@10:         }
yading@10: #endif
yading@10: 
yading@10:         if (EXTERNAL_SSE2(mm_flags)) {
yading@10:             c->vp6_filter_diag4 = ff_vp6_filter_diag4_sse2;
yading@10:         }
yading@10:     }
yading@10: }