[Bug 766201] video decoding issue with mp4 container (Android playback)

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Wed Jun 8 06:33:32 UTC 2016


https://bugzilla.gnome.org/show_bug.cgi?id=766201

--- Comment #39 from Sebastian Dröge (slomo) <slomo at coaxion.net> ---
(In reply to Matthew Waters (ystreet00) from comment #33)
> Curiously, there's a warning from h264parse that should never happen:
> 
> W/GLib+GStreamer( 1861): gstpad.c:5071:store_sticky_event:<h264parse1:src>
> Sticky event misordering, got 'segment' before 'caps'
> 
> But alas, the problem is:
> 
> missing-plugin, type=(string)decoder, detail=(GstCaps)"video/x-h264\,\
> parsed\=\(boolean\)true\,\ stream-format\=\(string\)avc
> \,\ alignment\=\(string\)au\,\ profile\=\(string\)baseline",
> name=(string)"H.264\ \(Baseline\ Profile\)\ decoder";
> 
> Even though you have:
> amcviddec-omxqcomvideodecoderavc
> amcviddec-omxgoogleh264decoder
> openh264dec

>From my understanding of the (older) logs, the reason is that all those
decoders want byte-stream but we get avc... and for some reason h264parse and
the capsfilter break things there. However this doesn't happen with a local
testcase (when preventing avdec_h264 from accepting avc).

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