[gstreamer-bugs] [Bug 321386] New: [SEGFAULT] basetransform when doing reverse caps negotiation
GStreamer (bugzilla.gnome.org)
bugzilla-daemon at bugzilla.gnome.org
Sun Nov 13 10:46:51 PST 2005
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GStreamer | gstreamer (core) | Ver: HEAD CVS
Summary: [SEGFAULT] basetransform when doing reverse caps
negotiation
Product: GStreamer
Version: HEAD CVS
Platform: Other
OS/Version: Linux
Status: UNCONFIRMED
Severity: critical
Priority: High
Component: gstreamer (core)
AssignedTo: gstreamer-bugs at lists.sourceforge.net
ReportedBy: julien at moutte.net
QAContact: gstreamer-bugs at lists.sourceforge.net
CC: all-bugs at bugzilla.gnome.org
When preparing the output buffer base transform passes the caps of the source
pad using the GST_PAD_CAPS macro. This prepare_output_buf function calls
gst_pad_alloc_buffer and check the returned caps for reverse negotiation.
The problem here is that the out_caps have been unreffed by the configuration of
the source pad that happened in gst_pad_alloc_buffer. This is a crasher with
gst_caps_is_equal on this out_caps variable.
As we definitely want to use the original caps for the output buffer in this
case we need to ref/unref out_caps in the prepare_output_buf function.
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