[Bug 742938] New: v4l2videodec: Could fail early on unsupported video that has codec_data
GStreamer (bugzilla.gnome.org)
bugzilla at gnome.org
Wed Jan 14 14:25:01 PST 2015
https://bugzilla.gnome.org/show_bug.cgi?id=742938
GStreamer | gst-plugins-good | git
Summary: v4l2videodec: Could fail early on unsupported video
that has codec_data
Classification: Platform
Product: GStreamer
Version: git
OS/Version: Linux
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: gst-plugins-good
AssignedTo: gstreamer-bugs at lists.freedesktop.org
ReportedBy: nicolas.dufresne at collabora.co.uk
QAContact: gstreamer-bugs at lists.freedesktop.org
GNOME version: ---
Unfortunately MFC fails when reading certain video headers. It is not clear
why, but failing early would allow decodebin to skip the decoder and use a SW
decoder as replacement.
One of the failing media is found in gst-validate:
gst-validate/gst-integration-testsuites/medias/defaults/mxf/op2b-mpeg2-wave_hd.mxf
The solution would be to setup the output format and queue in set_format()
method if a codec_data is provided instead of doing it in handle_frame().
Failing at that stage allow decodebin to skip the decoder instead of failing
the pipeline.
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