Файл samplefmt.h

См. исходные тексты.

Перечисления
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_S64,   AV_SAMPLE_FMT_S64P, AV_SAMPLE_FMT_NB }

Функции
const char *	av_get_sample_fmt_name (enum AVSampleFormat sample_fmt)
enum AVSampleFormat	av_get_sample_fmt (const char *name)
enum AVSampleFormat	av_get_alt_sample_fmt (enum AVSampleFormat sample_fmt, int planar)
enum AVSampleFormat	av_get_packed_sample_fmt (enum AVSampleFormat sample_fmt)
enum AVSampleFormat	av_get_planar_sample_fmt (enum AVSampleFormat sample_fmt)
char *	av_get_sample_fmt_string (char *buf, int buf_size, enum AVSampleFormat sample_fmt)
int	av_get_bytes_per_sample (enum AVSampleFormat sample_fmt)
int	av_sample_fmt_is_planar (enum AVSampleFormat sample_fmt)
int	av_samples_get_buffer_size (int *linesize, int nb_channels, int nb_samples, enum AVSampleFormat sample_fmt, int align)
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)
int	av_samples_alloc (uint8_t **audio_data, int *linesize, int nb_channels, int nb_samples, enum AVSampleFormat sample_fmt, int align)
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)
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)
int	av_samples_set_silence (uint8_t **audio_data, int offset, int nb_samples, int nb_channels, enum AVSampleFormat sample_fmt)