[Bug 721697] aacparse: cannot parse some ADTS AAC streams

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=721697
  GStreamer | gst-plugins-good | git

--- Comment #6 from Akihiro Tsukada <tskd2 at yahoo.co.jp> 2014-01-11 16:55:10 UTC ---
I had seen in the past a 5.1ch sample which specified 0ch in ADTS but has the
PCE with non standard/irregular element ID assignments, (which I forgot to
save).
Those 0ch-ADTS streams with PCE should be decoded properly by generic decoders,
but the sample I uploaded is really a corner case with *no* PCE,
thus decoding errors from general decoders might be acceptable, I think.
The sample is in fact specific to Japanese dtv, and application knows its
channel configuration from PSI of the muxing transport stream.

Ideally, it would be desirable if avdec_aac supports "the implicit
configuration (see subclause 8.5)", even when AAC frames have no PCE.

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