[Gstreamer-bugs] [Bug 141906] New: - hang on removing ximagesink from a pipeline

[bugzilla-daemon at widget.gnome.org]

http://bugzilla.gnome.org/show_bug.cgi?id=141906
GStreamer | gst-plugins | Ver: 0.8.1

           Summary: hang on removing ximagesink from a pipeline
           Product: GStreamer
           Version: 0.8.1
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins
        AssignedTo: gstreamer-maint at bugzilla.gnome.org
        ReportedBy: zaheerabbas at merali.org
         QAContact: gstreamer-maint at bugzilla.gnome.org


This function:

int stop_visualisation_substream(struct stream_details* sd)
{
	if (sd->sub_stream_status[3]) {
		
	#ifdef GST_06
	
	  	gst_pad_disconnect (gst_element_get_pad (sd->pe->color,"src"),
	#else
		gst_x_overlay_set_xwindow_id(GST_X_OVERLAY(sd->pe->vsink),0);
		gst_pad_disconnect (gst_element_get_pad (sd->pe->color,"src"),
	#endif
							gst_element_get_pad (sd->pe->vsink,"sink"));	
		gst_pad_disconnect (gst_element_get_pad (sd->pe->queue,"src"),
							gst_element_get_pad (sd->pe->color,"sink"));
		gst_pad_disconnect (gst_element_get_pad (sd->pe->vis,"src"),
							gst_element_get_pad (sd->pe->queue,"sink"));
		gst_pad_disconnect (gst_element_get_pad (sd->pe->s2m,"src"),
							gst_element_get_pad (sd->pe->vis,"sink"));
		gst_pad_disconnect(sd->pe->tee1_src3, 
							gst_element_get_pad (sd->pe->s2m, "sink"));
		gst_bin_remove (GST_BIN (sd->pe->vis_thread), sd->pe->queue);
	  	gst_bin_remove (GST_BIN (sd->pe->vis_thread), sd->pe->color);
	  	gst_bin_remove (GST_BIN (sd->pe->vis_thread), sd->pe->vsink);
	
	  	gst_bin_remove (GST_BIN (sd->pe->pipeline), sd->pe->s2m);
	  	gst_bin_remove (GST_BIN (sd->pe->pipeline), sd->pe->vis);
	
	  	gst_bin_remove (GST_BIN (sd->pe->pipeline), sd->pe->vis_thread);
	  
	  	gst_element_release_request_pad(sd->pe->tee, sd->pe->tee1_src3);
	 	sd->sub_stream_status[3]=0;
	 	return 0;
	
	}
	return -1;
}

That function hangs on gst_bin_remove (GST_BIN (sd->pe->vis_thread),
sd->pe->vsink);.  The pipeline state is PAUSED and vis_thread is a GstThread. 
Here is the last debug output:

DEBUG   GST_PARENTAGE(24432) gstbin.c(579):gst_bin_remove: [visthread]: trying
to remove child vsink
DEBUG  GST_SCHEDULING(24432) gstbin.c(360):gst_bin_unset_element_sched: removing
element "vsink" from its sched 0x81e4ac0
DEBUG       scheduler(24432)
gstoptimalscheduler.c(1761):gst_opt_scheduler_remove_element:<GstOptScheduler at 0x81e4ac0>
removing element "vsink"
DEBUG   GST_PARENTAGE(24432)
gstelement.c(3210):gst_element_set_scheduler:<vsink> setting scheduler to (nil)
INFO    GST_PARENTAGE(24432) gstbin.c(544):gst_bin_remove_func:<visthread>
removed child "vsink"
DEBUG       scheduler(24432)
gstoptimalscheduler.c(1439):gst_opt_scheduler_state_transition: element
"visthread" state change 1025
INFO  GST_REFCOUNTING(24432) gstelement.c(2980):gst_element_dispose:<vsink> dispose
INFO       GST_STATES(24432) gstelement.c(2684):gst_element_set_state:<vsink>
setting state from PAUSED to NULL
DEBUG      GST_STATES(24432) gstelement.c(2703):gst_element_set_state:<vsink>
intermediate: setting state from PAUSED to READY
DEBUG        GST_CAPS(24432)
gstelement.c(2816):gst_element_clear_pad_caps:<vsink> clearing pad caps

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