| /* |
| * 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/cpu.h" |
| #include "libavutil/x86_cpu.h" |
| #include "libavcodec/dsputil.h" |
| #include "libavcodec/vp56dsp.h" |
| |
| void ff_vp6_filter_diag4_mmx(uint8_t *dst, uint8_t *src, int stride, |
| const int16_t *h_weights,const int16_t *v_weights); |
| void ff_vp6_filter_diag4_sse2(uint8_t *dst, uint8_t *src, int stride, |
| const int16_t *h_weights,const int16_t *v_weights); |
| |
| av_cold void ff_vp56dsp_init_x86(VP56DSPContext* c, enum CodecID codec) |
| { |
| #if HAVE_YASM |
| int mm_flags = av_get_cpu_flags(); |
| |
| if (CONFIG_VP6_DECODER && codec == CODEC_ID_VP6) { |
| if (mm_flags & AV_CPU_FLAG_MMX) { |
| c->vp6_filter_diag4 = ff_vp6_filter_diag4_mmx; |
| } |
| |
| if (mm_flags & AV_CPU_FLAG_SSE2) { |
| c->vp6_filter_diag4 = ff_vp6_filter_diag4_sse2; |
| } |
| } |
| #endif |
| } |