[Bug 599469] resindvd: problems pre-rolling in the absence of audio

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=599469
  GStreamer | gst-plugins-bad | git

Vincent Penquerc'h <vincent.penquerch> changed:

           What    |Removed                     |Added
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                 CC|                            |vincent.penquerch at collabora
                   |                            |.co.uk

--- Comment #11 from Vincent Penquerc'h <vincent.penquerch at collabora.co.uk> 2012-01-19 15:40:42 UTC ---
I've got a possible patch (attached), which I'm not sure about, because though
it fixes the issue (first still frame menu without audio now prerolls, and I
can select menu items), I do not get any audio in the second video (the actual
video), but I can't tell if that's due to the patch or not because it did not
preroll before :)

The patch causes the MPEG demuxer to not create a new pad for the dummy stream,
which in turns prevents anything from waiting on that pad where no audio would
flow.

After starting the actual movie, there is an actual real audio stream, so a pad
is created for the real audio, which should work fine (and it prerolls fine,
video plays, but no audio after half a dozen AC3 buffers).

Does anyone who knows what that dummy stream is about know if my patch is
correct, and the no-audio-in-movie is unrelated (so a second bug) ?

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