[Libav-user] AC3 -> LPCM -> MPEG2 PES

[Pavel Sokolov]

24.02.2012 20:20, Andrey Utkin пишет:
> Currently, PACKED samples format is used everywhere in libav. So for
> audio, all data goes in data[0], containing frame.nb_samples samples.
> i think linesize[0] indeed stores number of bytes in data[0].
> BBB has explained it to me on #libav this way:
> (18:10:13) BBB: which, for stereo, is interleaved
> (18:10:18) BBB: so the data packet looks like this:
> (18:10:29) BBB: [sample0left][sample0right][sample1left][sample1right][...]
> (18:10:33) BBB: right?
> (18:10:46) BBB: there's a new audio format (currently unused) called
> SAMPLE_FMT_S16LE_PLANAR
> (18:10:52) BBB: that will look like this:
> (18:11:02) BBB: [sample0left][sample1left][...][sampleNleft]
> (18:11:06) BBB: for data[0]
> (18:11:09) BBB: and data[1] looks like this:
> (18:11:20) BBB: [sample0right][sample1right][...][sampleNright]
> (18:11:26) BBB: so then you have multiple pointers
>

How I can convert this data to LPCM?

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With best regards, Pavel A. Sokolov
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