[Bug 704881] Partial ATSC_user_data and CEA-708 Closed Captions Support

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=704881
  GStreamer | gst-plugins-bad | git

--- Comment #16 from Steve Maynard <steve at secondstryke.com> 2013-12-10 20:12:43 UTC ---
(In reply to comment #10)
> Review of attachment 263864 [details]:
> 
> All of the actual parsing of the data shouls probably go into the codecparsers
> library.

This change-set is incomplete.  I have a week or so left on this project and if
you can make specific requests I can try to implement and test.  This was an
attempt to implement what slomo suggested, but I didn't know how to complete
it:
i.e. he specifically asked me to:
1) decodebin needs to detect these multi-srcpad parsers still as parsers (thus
use the capsfilter hack for its main srcpad, but only for that) and
additionally detect them as demuxers (thus use the multiqueue after all
srcpads).
2) decodebin/uridecodebin/playbin need support for late pads. That is pads that
are added after no-more-pads (or after multiqueue overrun, which is handled
like no-more-pads). These should be included in the current stream group
instead of being ignored. This shouldn't be too difficult but might break some
assumptions in a few places.

But I'm unsure of how to do either of these, more information would be much
appreciated.

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