[Bug 742924] decodebin: Initial decoder negotiation will always fail

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Tue Jul 21 11:11:50 PDT 2015


https://bugzilla.gnome.org/show_bug.cgi?id=742924

--- Comment #9 from Mathieu Duponchelle <mduponchelle1 at gmail.com> ---
I think that's the case yes, more precisely the queries go into the
autoplug-query mechanism and then indeed go to nothing.

I've delayed my investigation of this because I investigate a bug on Nexus 7,
where decodebin works precisely because of that bug (when outside of decodebin
the code fails because it can't actually do direct rendering on that device, at
least with android 4.2, that's a completely different bug)

IMHO exposing pads once they've got the final CAPS event is just a half
measure, it will work for the cases where allocation was the problem, but it
will not make optimal caps negotiation more possible AFAIU ?

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