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