FFmpeg
synth_filter_init_arm.c
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1 /*
2  * Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
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 
23 #include "libavutil/arm/cpu.h"
24 #include "libavutil/attributes.h"
25 #include "libavutil/internal.h"
26 #include "libavcodec/fft.h"
28 
30  float *synth_buf_ptr, int *synth_buf_offset,
31  float synth_buf2[32], const float window[512],
32  float out[32], const float in[32],
33  float scale);
34 
36  float *synth_buf_ptr, int *synth_buf_offset,
37  float synth_buf2[32], const float window[512],
38  float out[32], const float in[32],
39  float scale);
40 
42 {
44 
46  s->synth_filter_float = ff_synth_filter_float_vfp;
47  if (have_neon(cpu_flags))
48  s->synth_filter_float = ff_synth_filter_float_neon;
49 }
ff_synth_filter_float_neon
void ff_synth_filter_float_neon(FFTContext *imdct, float *synth_buf_ptr, int *synth_buf_offset, float synth_buf2[32], const float window[512], float out[32], const float in[32], float scale)
out
FILE * out
Definition: movenc.c:54
synth_filter.h
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:96
cpu_flags
static atomic_int cpu_flags
Definition: cpu.c:50
window
static SDL_Window * window
Definition: ffplay.c:364
ff_synth_filter_float_vfp
void ff_synth_filter_float_vfp(FFTContext *imdct, float *synth_buf_ptr, int *synth_buf_offset, float synth_buf2[32], const float window[512], float out[32], const float in[32], float scale)
SynthFilterContext
Definition: synth_filter.h:27
av_cold
#define av_cold
Definition: attributes.h:90
s
#define s(width, name)
Definition: cbs_vp9.c:257
cpu.h
ff_synth_filter_init_arm
av_cold void ff_synth_filter_init_arm(SynthFilterContext *s)
Definition: synth_filter_init_arm.c:41
have_neon
#define have_neon(flags)
Definition: cpu.h:26
attributes.h
FFTContext
Definition: fft.h:75
internal.h
fft.h
have_vfp_vm
#define have_vfp_vm(flags)
Definition: cpu.h:35