FFmpeg
vorbisdsp_init.c
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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 
33 {
35 
36 #if ARCH_X86_32
37  if (EXTERNAL_AMD3DNOW(cpu_flags))
39 #endif /* ARCH_X86_32 */
40  if (EXTERNAL_SSE(cpu_flags))
42 }
void ff_vorbis_inverse_coupling_3dnow(float *mag, float *ang, intptr_t blocksize)
static atomic_int cpu_flags
Definition: cpu.c:50
#define EXTERNAL_SSE(flags)
Definition: cpu.h:58
Macro definitions for various function/variable attributes.
#define av_cold
Definition: attributes.h:82
void(* vorbis_inverse_coupling)(float *mag, float *ang, intptr_t blocksize)
Definition: vorbisdsp.h:26
av_cold void ff_vorbisdsp_init_x86(VorbisDSPContext *dsp)
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:93
void ff_vorbis_inverse_coupling_sse(float *mag, float *ang, intptr_t blocksize)
#define EXTERNAL_AMD3DNOW(flags)
Definition: cpu.h:54