[gstreamer-bugs] [Bug 551509] gst_base_transform_prepare_output_buffer: assertion failed: (*out_buf != NULL)

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gstreamer (core) | Ver: HEAD CVS




------- Comment #6 from Jan Schmidt  2008-09-24 22:20 UTC -------
Created an attachment (id=119338)
 --> (http://bugzilla.gnome.org/attachment.cgi?id=119338&action=view)
alternative patch

I think the real bug here is that capsfilter can't apply incompletely specified
caps to a buffer, so in the case where it's been asked to (the incoming buffers
have no caps, but capsfilter has some filtercaps) it should error out if the
result is not completely fixed.

As an aside, I converted the assert in basetransform into a GST_FLOW_ERROR,
because while the sub-class should be providing a buffer or erroring in all
cases, it doesn't have to lead to an assert when a runtime error would be
better.

Changed the unit test to check that in fact the test case does *not* succeed in
producing output buffers.


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