Bug 257499 – [GStreamer] Critical warning when updating video sink stats of a player in error state

• Component: Platform
• Status: RESOLVED FIXED

[Philippe Normand]

(gdb) bt                                                                                                                                                                                                             
#0  g_logv (log_domain=0x7f3f386d0030 "GLib-GObject", log_level=G_LOG_LEVEL_CRITICAL, format=<optimized out>, args=args@entry=0x7ffecde929c0) at ../glib/gmessages.c:1422                                            
#1  0x00007f3f385a52a3 in g_log (log_domain=log_domain@entry=0x7f3f386d0030 "GLib-GObject", log_level=log_level@entry=G_LOG_LEVEL_CRITICAL, format=format@entry=0x7f3f3860bba0 "%s: assertion '%s' failed")          
    at ../glib/gmessages.c:1460                                                                                                                                                                                      
#2  0x00007f3f385a641d in g_return_if_fail_warning                                                                                                                                                                   
    (log_domain=log_domain@entry=0x7f3f386d0030 "GLib-GObject", pretty_function=pretty_function@entry=0x7f3f386d72a8 <__func__.41> "g_object_get", expression=expression@entry=0x7f3f386d4fdd "G_IS_OBJECT (object)")
 at ../glib/gmessages.c:2930                                                                                                                                                                                         
#3  0x00007f3f386b48da in g_object_get (_object=0x0, first_property_name=0x7f3f4066eae2 "stats") at ../gobject/gobject.c:3003                                                                                        
#4  0x00007f3f3e2ff021 in WebCore::MediaPlayerPrivateGStreamer::updateVideoSinkStatistics() () at /var/home/phil/WebKit/WebKitBuild/GTK/Release/lib/libwebkit2gtk-4.1.so.0                                           
#5  0x00007f3f3e2ff0c2 in WebCore::MediaPlayerPrivateGStreamer::videoPlaybackQualityMetrics() () at /var/home/phil/WebKit/WebKitBuild/GTK/Release/lib/libwebkit2gtk-4.1.so.0                                         
#6  0x00007f3f3fba9b19 in WebCore::MediaPlayer::videoPlaybackQualityMetrics() () at /var/home/phil/WebKit/WebKitBuild/GTK/Release/lib/libwebkit2gtk-4.1.so.0                                                         
#7  0x00007f3f3f576e13 in WebCore::HTMLMediaElement::getVideoPlaybackQuality() () at /var/home/phil/WebKit/WebKitBuild/GTK/Release/lib/libwebkit2gtk-4.1.so.0                                                        
#8  0x00007f3f3e727b06 in WebCore::jsHTMLMediaElementPrototypeFunction_getVideoPlaybackQuality(JSC::JSGlobalObject*, JSC::CallFrame*) () at /var/home/phil/WebKit/WebKitBuild/GTK/Release/lib/libwebkit2gtk-4.1.so.0 
#9  0x00007f3ec3f681b8 in  ()                                                                                                                                                                                        
#10 0x00007ffecde92d20 in  ()                                                                                                                                                                                        
#11 0x00007f3f3ab8edf7 in op_call_slow_return_location () at /var/home/phil/WebKit/WebKitBuild/GTK/Release/lib/libjavascriptcoregtk-4.1.so.0                                                                         
#12 0x0000000000000000 in  () 

When attempting to play the video from https://bugs.webkit.org/show_bug.cgi?id=183259#c23 and enabling the media stats overlay.

[Philippe Normand]

Pull request: https://github.com/WebKit/WebKit/pull/14492

[EWS]

Committed 264718@main (3fb2e1af3914): <https://commits.webkit.org/264718@main>

Reviewed commits have been landed. Closing PR #14492 and removing active labels.

[Radar WebKit Bug Importer]

<rdar://problem/110049467>