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audio_convert_init.c
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #include <stdint.h>
20 
21 #include "config.h"
22 #include "libavutil/attributes.h"
23 #include "libavutil/cpu.h"
24 #include "libavutil/arm/cpu.h"
25 #include "libavutil/samplefmt.h"
27 
28 void ff_conv_flt_to_s16_neon(int16_t *dst, const float *src, int len);
29 void ff_conv_fltp_to_s16_neon(int16_t *dst, float *const *src,
30  int len, int channels);
31 void ff_conv_fltp_to_s16_2ch_neon(int16_t *dst, float *const *src,
32  int len, int channels);
33 
35 {
37 
38  if (have_neon(cpu_flags)) {
40  0, 16, 8, "NEON",
43  0, 16, 8, "NEON",
46  2, 16, 8, "NEON",
48  }
49 }
float, planar
Definition: samplefmt.h:69
void ff_conv_flt_to_s16_neon(int16_t *dst, const float *src, int len)
#define src
Definition: vp8dsp.c:254
Macro definitions for various function/variable attributes.
#define av_cold
Definition: attributes.h:82
void ff_conv_fltp_to_s16_neon(int16_t *dst, float *const *src, int len, int channels)
void ff_conv_fltp_to_s16_2ch_neon(int16_t *dst, float *const *src, int len, int channels)
av_cold void ff_audio_convert_init_arm(AudioConvert *ac)
#define have_neon(flags)
Definition: cpu.h:27
static int cpu_flags
Definition: cpu.c:47
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:88
signed 16 bits
Definition: samplefmt.h:61
int len
void ff_audio_convert_set_func(AudioConvert *ac, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int ptr_align, int samples_align, const char *descr, void *conv)
Set conversion function if the parameters match.
Definition: audio_convert.c:70