FFmpeg  4.0
vorbisdsp_init_arm.c
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1 /*
2  * ARM NEON optimised DSP functions
3  * Copyright (c) 2008 Mans Rullgard <mans@mansr.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/arm/cpu.h"
25 #include "libavcodec/vorbisdsp.h"
26 
27 void ff_vorbis_inverse_coupling_neon(float *mag, float *ang,
28  intptr_t blocksize);
29 
31 {
33 
34  if (have_neon(cpu_flags)) {
36  }
37 }
void ff_vorbis_inverse_coupling_neon(float *mag, float *ang, intptr_t blocksize)
static atomic_int cpu_flags
Definition: cpu.c:50
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_arm(VorbisDSPContext *c)
#define have_neon(flags)
Definition: cpu.h:26
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:93
static double c[64]