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 "avutil.h"
23 
34 
40 
42 };
43 
48 const char *av_get_sample_fmt_name(enum AVSampleFormat sample_fmt);
49 
54 enum AVSampleFormat av_get_sample_fmt(const char *name);
55 
68 char *av_get_sample_fmt_string(char *buf, int buf_size, enum AVSampleFormat sample_fmt);
69 
70 #if FF_API_GET_BITS_PER_SAMPLE_FMT
71 
75 int av_get_bits_per_sample_fmt(enum AVSampleFormat sample_fmt);
76 #endif
77 
85 int av_get_bytes_per_sample(enum AVSampleFormat sample_fmt);
86 
93 int av_sample_fmt_is_planar(enum AVSampleFormat sample_fmt);
94 
105 int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples,
106  enum AVSampleFormat sample_fmt, int align);
107 
129 int av_samples_fill_arrays(uint8_t **audio_data, int *linesize, uint8_t *buf,
130  int nb_channels, int nb_samples,
131  enum AVSampleFormat sample_fmt, int align);
132 
146 int av_samples_alloc(uint8_t **audio_data, int *linesize, int nb_channels,
147  int nb_samples, enum AVSampleFormat sample_fmt, int align);
148 
149 #endif /* AVUTIL_SAMPLEFMT_H */