[gstreamer-bugs] [Bug 503592] New: gstpad.c does many ref/unref of peer pad in dataflow
GStreamer (bugzilla.gnome.org)
bugzilla-daemon at bugzilla.gnome.org
Fri Dec 14 05:11:16 PST 2007
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GStreamer | gstreamer (core) | Ver: HEAD CVS
Summary: gstpad.c does many ref/unref of peer pad in dataflow
Product: GStreamer
Version: HEAD CVS
Platform: Other
OS/Version: Linux
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: gstreamer (core)
AssignedTo: gstreamer-bugs at lists.sourceforge.net
ReportedBy: ensonic at sonicpulse.de
QAContact: gstreamer-bugs at lists.sourceforge.net
GNOME version: Unspecified
GNOME milestone: Unspecified
in
gst_pad_push, gst_pad_check_pull_range, gst_pad_pull_range
one can find code like below. this causes atomic ops for all the dataflow. To
give an idea - I added the GST_WARNING to count them and for a 2 min avi I got
91949 ref/unrefs.
GST_OBJECT_LOCK (pad);
if (G_UNLIKELY ((peer = GST_PAD_PEER (pad)) == NULL))
goto not_linked;
gst_object_ref (peer);
GST_WARNING("!ref peer pad!");
GST_OBJECT_UNLOCK (pad);
ret = gst_pad_chain_unchecked (peer, buffer);
gst_object_unref (peer);
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