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 FFmpeg.
7 *
8 * FFmpeg 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 * FFmpeg 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 FFmpeg; 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/asm.h"
26 #include "libavutil/x86/cpu.h"
27 #include "libavcodec/vp56dsp.h"
28
29 void ff_vp6_filter_diag4_mmx(uint8_t *dst, uint8_t *src, int stride,
30 const int16_t *h_weights,const int16_t *v_weights);
31 void ff_vp6_filter_diag4_sse2(uint8_t *dst, uint8_t *src, int stride,
32 const int16_t *h_weights,const int16_t *v_weights);
33
ff_vp6dsp_init_x86(VP56DSPContext * c,enum AVCodecID codec)34 av_cold void ff_vp6dsp_init_x86(VP56DSPContext* c, enum AVCodecID codec)
35 {
36 int cpu_flags = av_get_cpu_flags();
37
38 #if ARCH_X86_32
39 #if (HAVE_MMX_EXTERNAL == 1)
40 if (EXTERNAL_MMX(cpu_flags)) {
41 c->vp6_filter_diag4 = ff_vp6_filter_diag4_mmx;
42 }
43 #endif
44 #endif
45 #if (HAVE_SSE2_EXTERNAL == 1)
46 if (EXTERNAL_SSE2(cpu_flags)) {
47 c->vp6_filter_diag4 = ff_vp6_filter_diag4_sse2;
48 }
49 #endif
50 }
51