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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 | ||
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 (EXTERNAL_MMX(cpu_flags)) { | |
40 | c->vp6_filter_diag4 = ff_vp6_filter_diag4_mmx; | |
41 | } | |
42 | #endif | |
43 | if (EXTERNAL_SSE2(cpu_flags)) { | |
44 | c->vp6_filter_diag4 = ff_vp6_filter_diag4_sse2; | |
45 | } | |
46 | } |