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avutil: allow NULL linesize in av_samples_fill_arrays() and av_samples_alloc()
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@ -140,17 +140,20 @@ int av_samples_fill_arrays(uint8_t **audio_data, int *linesize,
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uint8_t *buf, int nb_channels, int nb_samples,
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uint8_t *buf, int nb_channels, int nb_samples,
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enum AVSampleFormat sample_fmt, int align)
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enum AVSampleFormat sample_fmt, int align)
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{
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{
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int ch, planar, buf_size;
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int ch, planar, buf_size, line_size;
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planar = av_sample_fmt_is_planar(sample_fmt);
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planar = av_sample_fmt_is_planar(sample_fmt);
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buf_size = av_samples_get_buffer_size(linesize, nb_channels, nb_samples,
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buf_size = av_samples_get_buffer_size(&line_size, nb_channels, nb_samples,
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sample_fmt, align);
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sample_fmt, align);
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if (buf_size < 0)
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if (buf_size < 0)
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return buf_size;
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return buf_size;
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audio_data[0] = buf;
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audio_data[0] = buf;
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for (ch = 1; planar && ch < nb_channels; ch++)
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for (ch = 1; planar && ch < nb_channels; ch++)
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audio_data[ch] = audio_data[ch-1] + *linesize;
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audio_data[ch] = audio_data[ch-1] + line_size;
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if (linesize)
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*linesize = line_size;
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return 0;
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return 0;
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}
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}
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@ -139,7 +139,7 @@ int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples,
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* for packed layout.
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* for packed layout.
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*
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*
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* @param[out] audio_data array to be filled with the pointer for each channel
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* @param[out] audio_data array to be filled with the pointer for each channel
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* @param[out] linesize calculated linesize
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* @param[out] linesize calculated linesize, may be NULL
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* @param buf the pointer to a buffer containing the samples
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* @param buf the pointer to a buffer containing the samples
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* @param nb_channels the number of channels
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* @param nb_channels the number of channels
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* @param nb_samples the number of samples in a single channel
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* @param nb_samples the number of samples in a single channel
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@ -157,7 +157,7 @@ int av_samples_fill_arrays(uint8_t **audio_data, int *linesize, uint8_t *buf,
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* The allocated samples buffer can be freed by using av_freep(&audio_data[0])
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* The allocated samples buffer can be freed by using av_freep(&audio_data[0])
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*
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*
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* @param[out] audio_data array to be filled with the pointer for each channel
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* @param[out] audio_data array to be filled with the pointer for each channel
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* @param[out] linesize aligned size for audio buffer(s)
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* @param[out] linesize aligned size for audio buffer(s), may be NULL
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* @param nb_channels number of audio channels
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* @param nb_channels number of audio channels
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* @param nb_samples number of samples per channel
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* @param nb_samples number of samples per channel
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* @param align buffer size alignment (1 = no alignment required)
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* @param align buffer size alignment (1 = no alignment required)
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