FFmpeg
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Enumerations | |
enum | AVSampleFormat { AV_SAMPLE_FMT_NONE = -1, AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_U8P, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_S32P, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_DBLP, AV_SAMPLE_FMT_NB } |
Audio sample formats. More... | |
Functions | |
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. More... | |
enum AVSampleFormat | av_get_sample_fmt (const char *name) |
Return a sample format corresponding to name, or AV_SAMPLE_FMT_NONE on error. More... | |
enum AVSampleFormat | av_get_alt_sample_fmt (enum AVSampleFormat sample_fmt, int planar) |
Return the planar<->packed alternative form of the given sample format, or AV_SAMPLE_FMT_NONE on error. More... | |
enum AVSampleFormat | av_get_packed_sample_fmt (enum AVSampleFormat sample_fmt) |
Get the packed alternative form of the given sample format. More... | |
enum AVSampleFormat | av_get_planar_sample_fmt (enum AVSampleFormat sample_fmt) |
Get the planar alternative form of the given sample format. More... | |
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 negative. More... | |
int | av_get_bytes_per_sample (enum AVSampleFormat sample_fmt) |
Return number of bytes per sample. More... | |
int | av_sample_fmt_is_planar (enum AVSampleFormat sample_fmt) |
Check if the sample format is planar. More... | |
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. More... | |
int | av_samples_fill_arrays (uint8_t **audio_data, int *linesize, const uint8_t *buf, int nb_channels, int nb_samples, enum AVSampleFormat sample_fmt, int align) |
Fill plane data pointers and linesize for samples with sample format sample_fmt. More... | |
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. More... | |
int | av_samples_alloc_array_and_samples (uint8_t ***audio_data, int *linesize, int nb_channels, int nb_samples, enum AVSampleFormat sample_fmt, int align) |
Allocate a data pointers array, samples buffer for nb_samples samples, and fill data pointers and linesize accordingly. More... | |
int | av_samples_copy (uint8_t **dst, uint8_t *const *src, int dst_offset, int src_offset, int nb_samples, int nb_channels, enum AVSampleFormat sample_fmt) |
Copy samples from src to dst. More... | |
int | av_samples_set_silence (uint8_t **audio_data, int offset, int nb_samples, int nb_channels, enum AVSampleFormat sample_fmt) |
Fill an audio buffer with silence. More... | |