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lavu/samplefmt: add av_samples_alloc_array_and_pointers()

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This commit is contained in:
Stefano Sabatini
2013-03-21 11:48:28 +01:00
parent 39aad43465
commit 5c73645d91
4 changed files with 32 additions and 1 deletions
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15
libavutil/samplefmt.c
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@ -207,6 +207,21 @@ int av_samples_alloc(uint8_t **audio_data, int *linesize, int nb_channels,
#endif
}
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 ret, nb_planes = av_sample_fmt_is_planar(sample_fmt) ? nb_channels : 1;
*audio_data = av_calloc(nb_planes, sizeof(*audio_data));
if (!*audio_data)
return AVERROR(ENOMEM);
ret = av_samples_alloc(*audio_data, linesize, nb_channels,
nb_samples, sample_fmt, align);
if (ret < 0)
av_freep(audio_data);
return ret;
}
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)