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cdef extern from "libavutil/samplefmt.h" nogil:
cdef enum AVSampleFormat:
AV_SAMPLE_FMT_NONE
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 # Number.
# Find by name.
cdef AVSampleFormat av_get_sample_fmt(char* name)
# Inspection.
cdef char * av_get_sample_fmt_name(AVSampleFormat sample_fmt)
cdef int av_get_bytes_per_sample(AVSampleFormat sample_fmt)
cdef int av_sample_fmt_is_planar(AVSampleFormat sample_fmt)
# Alternative forms.
cdef AVSampleFormat av_get_packed_sample_fmt(AVSampleFormat sample_fmt)
cdef AVSampleFormat av_get_planar_sample_fmt(AVSampleFormat sample_fmt)
cdef int av_samples_alloc(
uint8_t** audio_data,
int* linesize,
int nb_channels,
int nb_samples,
AVSampleFormat sample_fmt,
int align
)
cdef int av_samples_get_buffer_size(
int *linesize,
int nb_channels,
int nb_samples,
AVSampleFormat sample_fmt,
int align
)
cdef int av_samples_fill_arrays(
uint8_t **audio_data,
int *linesize,
const uint8_t *buf,
int nb_channels,
int nb_samples,
AVSampleFormat sample_fmt,
int align
)
cdef int av_samples_set_silence(
uint8_t **audio_data,
int offset,
int nb_samples,
int nb_channels,
AVSampleFormat sample_fmt
)
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