9bf41783c21f2cd2e879192c843066edb6542086
[libav.git] / libavcodec / x86 / vp6dsp_init.c
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/attributes.h"
24 #include "libavutil/cpu.h"
25 #include "libavutil/x86/cpu.h"
26 #include "libavcodec/vp56dsp.h"
27
28 void ff_vp6_filter_diag4_mmx(uint8_t *dst, uint8_t *src, int stride,
29 const int16_t *h_weights,const int16_t *v_weights);
30 void 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
33 av_cold void ff_vp6dsp_init_x86(VP56DSPContext* c, enum AVCodecID codec)
34 {
35 int cpu_flags = av_get_cpu_flags();
36
37 #if ARCH_X86_32
38 if (EXTERNAL_MMX(cpu_flags)) {
39 c->vp6_filter_diag4 = ff_vp6_filter_diag4_mmx;
40 }
41 #endif
42 if (EXTERNAL_SSE2(cpu_flags)) {
43 c->vp6_filter_diag4 = ff_vp6_filter_diag4_sse2;
44 }
45 }