Libav
samplefmt.h
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1 /*
2  * This file is part of Libav.
3  *
4  * Libav 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  * Libav 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 Libav; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #ifndef AVUTIL_SAMPLEFMT_H
20 #define AVUTIL_SAMPLEFMT_H
21 
22 #include <stdint.h>
23 
24 #include "avutil.h"
25 #include "attributes.h"
26 
56 
62 
64 };
65 
71 
76 enum AVSampleFormat av_get_sample_fmt(const char *name);
77 
88 
99 
112 char *av_get_sample_fmt_string(char *buf, int buf_size, enum AVSampleFormat sample_fmt);
113 
122 
130 
141 int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples,
142  enum AVSampleFormat sample_fmt, int align);
143 
168 int av_samples_fill_arrays(uint8_t **audio_data, int *linesize,
169  const uint8_t *buf,
170  int nb_channels, int nb_samples,
171  enum AVSampleFormat sample_fmt, int align);
172 
190 int av_samples_alloc(uint8_t **audio_data, int *linesize, int nb_channels,
191  int nb_samples, enum AVSampleFormat sample_fmt, int align);
192 
204 int av_samples_copy(uint8_t **dst, uint8_t * const *src, int dst_offset,
205  int src_offset, int nb_samples, int nb_channels,
207 
217 int av_samples_set_silence(uint8_t **audio_data, int offset, int nb_samples,
219 
220 #endif /* AVUTIL_SAMPLEFMT_H */