[Bug 698851] playbin: ability to mix or play multiple audio and text streams simultaneously

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=698851
  GStreamer | gst-plugins-base | git

--- Comment #1 from Sebastian Dröge <slomo at circular-chaos.org> 2013-04-25 18:27:05 UTC ---
The idea would be to have three properties: {audio,video,text}-stream-combiner.
If unset, playbin would use input-selector as before. The application could set
any element or bin here that implements the same interface as input-selector,
namely having multiple request sinkpads and a single always srcpad.


For the text case it is a bit complicated, I agree, as you want the N input
streams but don't produce any output to GStreamer and instead just handle the
text yourself. I think for this we would want to allow to have no srcpad at all
on the stream combiner.

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