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1 | /* |
2 | * Copyright (C) 2006 Loren Merritt <lorenm@u.washington.edu> | |
3 | * | |
4 | * This file is part of FFmpeg. | |
5 | * | |
6 | * FFmpeg is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2.1 of the License, or (at your option) any later version. | |
10 | * | |
11 | * FFmpeg is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with FFmpeg; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include "config.h" | |
22 | #include "libavutil/attributes.h" | |
23 | #include "libavutil/cpu.h" | |
24 | #include "libavutil/x86/cpu.h" | |
25 | #include "libavcodec/vorbisdsp.h" | |
26 | ||
27 | void ff_vorbis_inverse_coupling_3dnow(float *mag, float *ang, | |
28 | intptr_t blocksize); | |
29 | void ff_vorbis_inverse_coupling_sse(float *mag, float *ang, | |
30 | intptr_t blocksize); | |
31 | ||
32 | av_cold void ff_vorbisdsp_init_x86(VorbisDSPContext *dsp) | |
33 | { | |
34 | int cpu_flags = av_get_cpu_flags(); | |
35 | ||
36 | #if ARCH_X86_32 | |
37 | if (EXTERNAL_AMD3DNOW(cpu_flags)) | |
38 | dsp->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_3dnow; | |
39 | #endif /* ARCH_X86_32 */ | |
40 | if (EXTERNAL_SSE(cpu_flags)) | |
41 | dsp->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_sse; | |
42 | } |