[Webkit-unassigned] [Bug 217959] New: [GStreamer] Device monitor issue in AudioDestination

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=217959

            Bug ID: 217959
           Summary: [GStreamer] Device monitor issue in AudioDestination
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Media
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: pnormand at igalia.com

Some clean-up is not happening as it should. For now I will by-pass this code by returning a hard-coded value from maximumNumberOfOutputChannels().


STDERR: (WebKitWebProcess:114376): GStreamer-CRITICAL **: 07:04:33.644: Trying to stop a GstDeviceProvider alsadeviceprovider0 which is already stopped

Thread 1 (Thread 0x7f74db2ee9c0 (LWP 114376)):
#0  g_logv (log_domain=0x7f74de0a7240 <g_log_domain_gstreamer> "GStreamer", log_level=G_LOG_LEVEL_CRITICAL, format=<optimized out>, args=<optimized out>) at ../glib/gmessages.c:1377
#1  0x00007f74dd6cead3 in g_log (log_domain=<optimized out>, log_level=log_level at entry=G_LOG_LEVEL_CRITICAL, format=format at entry=0x7f74de0afac8 "Trying to stop a GstDeviceProvider %s which is already stopped") at ../glib/gmessages.c:1415
#2  0x00007f74de01db7e in gst_device_provider_stop (provider=0x1cf2300 [GstAlsaDeviceProvider|alsadeviceprovider0]) at ../gst/gstdeviceprovider.c:534
#3  0x00007f74de02f6bc in gst_device_monitor_stop (monitor=0x7f5f84086db0 [GstDeviceMonitor|devicemonitor0]) at ../gst/gstdevicemonitor.c:581
#4  0x00007f74e4bb4a90 in std::call_once<WebCore::maximumNumberOfOutputChannels()::$_1>(std::once_flag&, WebCore::maximumNumberOfOutputChannels()::$_1&&)::{lambda()#2}::__invoke() () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#5  0x00007f74de7c3aaf in __pthread_once_slow (once_control=0x7f74e807f230 <WebCore::maximumNumberOfOutputChannels()::onceFlag>, init_routine=0x7f74dc613810 <std::__once_proxy()>) at pthread_once.c:116
#6  0x00007f74e4bb4213 in WebCore::AudioDestination::maxChannelCount() () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#7  0x00007f74e655462e in WebCore::jsAudioDestinationNode_maxChannelCount(JSC::JSGlobalObject*, long, JSC::PropertyName) () at /app/webkit/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#8  0x00007f74e1631dfb in JSC::operationGetByVal(JSC::JSGlobalObject*, long, long) () at /app/webkit/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#9  0x00007f749a88252c in  ()
#10 0xfffe000000000000 in  ()
#11 0xfffe000000000002 in  ()
#12 0x00007ffefc666e00 in  ()
#13 0x00007f749a881ecb in  ()
#14 0x00007f746f6aa9a0 in  ()
#15 0x00007f74884ea2e0 in  ()
#16 0x0000010e00000003 in  ()
#17 0x00007f7488491ca0 in  ()
#18 0x00007f74880798d8 in  ()
#19 0x00007f5f1c4999b0 in  ()
#20 0x00007f5fbc697570 in  ()
#21 0x00007f746c934aa0 in  ()
#22 0x00007f74880798d8 in  ()
#23 0x00007f5fbc697570 in  ()
#24 0x0000000000000006 in  ()
#25 0x000000000000000a in  ()
#26 0x00007f5fbc697570 in  ()
#27 0x00007f5fbc697570 in  ()
#28 0x00007f747747f610 in  ()
#29 0x00007f746d923200 in  ()
#30 0xfffe000000000000 in  ()
#31 0xfffe000000000002 in  ()
#32 0x00007ffefc666e40 in  ()
#33 0x00007f749a70f057 in  ()
#34 0x00007f746f6aa880 in  ()
#35 0x00007f7474e97c00 in  ()
#36 0x000001d100000002 in  ()
#37 0x00007f5f1c458d70 in  ()
#38 0x00007f5f446fc0a0 in  ()
#39 0x00007f749a9865f4 in  ()
#40 0x00007ffefc666fc0 in  ()
#41 0x00007f749a987c0a in  ()
#42 0x0000000000000000 in  ()

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