samplefmt.h
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1 /*
2  * This file is part of Libav.
3  *
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5  * modify it under the terms of the GNU Lesser General Public
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12  * Lesser General Public License for more details.
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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 */
Number of sample formats. DO NOT USE if linking dynamically.
Definition: samplefmt.h:41
external API header
int av_samples_fill_arrays(uint8_t **audio_data, int *linesize, uint8_t *buf, int nb_channels, int nb_samples, enum AVSampleFormat sample_fmt, int align)
Fill channel data pointers and linesize for samples with sample format sample_fmt.
Definition: samplefmt.c:127
signed 16 bits
Definition: samplefmt.h:30
int av_get_bytes_per_sample(enum AVSampleFormat sample_fmt)
Return number of bytes per sample.
Definition: samplefmt.c:75
signed 32 bits, planar
Definition: samplefmt.h:37
float, planar
Definition: samplefmt.h:38
int nb_channels
Definition: audioconvert.c:62
attribute_deprecated int av_get_bits_per_sample_fmt(enum AVSampleFormat sample_fmt)
signed 32 bits
Definition: samplefmt.h:31
int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples, enum AVSampleFormat sample_fmt, int align)
Get the required buffer size for the given audio parameters.
Definition: samplefmt.c:96
int av_sample_fmt_is_planar(enum AVSampleFormat sample_fmt)
Check if the sample format is planar.
Definition: samplefmt.c:89
int av_samples_alloc(uint8_t **audio_data, int *linesize, int nb_channels, int nb_samples, enum AVSampleFormat sample_fmt, int align)
Allocate a samples buffer for nb_samples samples, and fill data pointers and linesize accordingly...
Definition: samplefmt.c:146
#define attribute_deprecated
Definition: attributes.h:87
const char * name
Definition: audioconvert.c:61
const char * av_get_sample_fmt_name(enum AVSampleFormat sample_fmt)
Return the name of sample_fmt, or NULL if sample_fmt is not recognized.
Definition: samplefmt.c:45
AVSampleFormat
all in native-endian format
Definition: samplefmt.h:27
enum AVSampleFormat av_get_sample_fmt(const char *name)
Return a sample format corresponding to name, or AV_SAMPLE_FMT_NONE on error.
Definition: samplefmt.c:52
unsigned 8 bits
Definition: samplefmt.h:29
unsigned 8 bits, planar
Definition: samplefmt.h:35
char * av_get_sample_fmt_string(char *buf, int buf_size, enum AVSampleFormat sample_fmt)
Generate a string corresponding to the sample format with sample_fmt, or a header if sample_fmt is ne...
Definition: samplefmt.c:62
signed 16 bits, planar
Definition: samplefmt.h:36
double, planar
Definition: samplefmt.h:39