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2ba45a60 DM |
1 | /* |
2 | * RV30/40 MMX/SSE2 optimizations | |
3 | * Copyright (C) 2012 Christophe Gisquet <christophe.gisquet@gmail.com> | |
4 | * | |
5 | * This file is part of FFmpeg. | |
6 | * | |
7 | * FFmpeg is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU Lesser General Public | |
9 | * License as published by the Free Software Foundation; either | |
10 | * version 2.1 of the License, or (at your option) any later version. | |
11 | * | |
12 | * FFmpeg is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * Lesser General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU Lesser General Public | |
18 | * License along with FFmpeg; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
20 | */ | |
21 | ||
22 | #include "libavutil/attributes.h" | |
23 | #include "libavutil/cpu.h" | |
24 | #include "libavutil/x86/asm.h" | |
25 | #include "libavutil/x86/cpu.h" | |
26 | #include "libavcodec/rv34dsp.h" | |
27 | ||
28 | void ff_rv34_idct_dc_mmxext(int16_t *block); | |
29 | void ff_rv34_idct_dc_noround_mmxext(int16_t *block); | |
30 | void ff_rv34_idct_dc_add_mmx(uint8_t *dst, ptrdiff_t stride, int dc); | |
31 | void ff_rv34_idct_dc_add_sse4(uint8_t *dst, ptrdiff_t stride, int dc); | |
32 | void ff_rv34_idct_add_mmxext(uint8_t *dst, ptrdiff_t stride, int16_t *block); | |
33 | ||
34 | av_cold void ff_rv34dsp_init_x86(RV34DSPContext* c) | |
35 | { | |
36 | int cpu_flags = av_get_cpu_flags(); | |
37 | ||
38 | if (EXTERNAL_MMX(cpu_flags)) | |
39 | c->rv34_idct_dc_add = ff_rv34_idct_dc_add_mmx; | |
40 | if (EXTERNAL_MMXEXT(cpu_flags)) { | |
41 | c->rv34_inv_transform_dc = ff_rv34_idct_dc_noround_mmxext; | |
42 | c->rv34_idct_add = ff_rv34_idct_add_mmxext; | |
43 | } | |
44 | if (EXTERNAL_SSE4(cpu_flags)) | |
45 | c->rv34_idct_dc_add = ff_rv34_idct_dc_add_sse4; | |
46 | } |