[Webkit-unassigned] [Bug 219348] New: [GStreamer] Common module should use a dedicated logging category

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=219348

            Bug ID: 219348
           Summary: [GStreamer] Common module should use a dedicated
                    logging category
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Platform
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: pnormand at igalia.com

We can't assume the player debug category has been initialized when logging in the common module, because that module can be used from WebAudio backend components, for instance:


STDERR: 0:00:02.188465738   132      0x248a640 DEBUG    webkitaudioprovider AudioSourceProviderGStreamer.cpp:306:handleNewDeinterleavePad: New pad <deinterleave:src_0>
STDERR: 0:00:02.188840904   132      0x248a640 DEBUG    webkitaudioprovider AudioSourceProviderGStreamer.cpp:376:deinterleavePadsConfigured: Deinterleave configured, notifying client
STDERR: 
STDERR: (WebKitWebProcess:132): GStreamer-CRITICAL **: 04:55:44.079: gst_debug_log_valist: assertion 'category != NULL' failed

Thread 1 (Thread 0x7f0517bfa180 (LWP 132)):
#0  g_logv (log_domain=0x7f051a9bd240 <g_log_domain_gstreamer> "GStreamer", log_level=G_LOG_LEVEL_CRITICAL, format=<optimized out>, args=<optimized out>) at ../glib/gmessages.c:1377
#1  0x00007f0519fdfad3 in g_log (log_domain=<optimized out>, log_level=log_level at entry=G_LOG_LEVEL_CRITICAL, format=format at entry=0x7f051a0358df "%s: assertion '%s' failed") at ../glib/gmessages.c:1415
#2  0x00007f0519fe02cd in g_return_if_fail_warning (log_domain=<optimized out>, pretty_function=pretty_function at entry=0x7f051a9cc070 <__func__.12> "gst_debug_log_valist", expression=<optimized out>) at ../glib/g
messages.c:2771
#3  0x00007f051a948bfc in gst_debug_log_valist (category=<optimized out>, level=<optimized out>, file=<optimized out>, function=<optimized out>, line=388, object=<optimized out>, format=0x7f0534f3806c "State cha
nged (old: %s, new: %s, pending: %s)", args=0x7ffde8ddf8b0) at ../gst/gstinfo.c:568
#4  0x00007f051a948cff in gst_debug_log (category=<optimized out>, level=<optimized out>, file=<optimized out>, function=<optimized out>, line=<optimized out>, object=<optimized out>, format=0x7f0534f3806c "Stat
e changed (old: %s, new: %s, pending: %s)") at ../gst/gstinfo.c:512
#5  0x00007f052f49c5ac in WebCore::simpleBusMessageCallback(_GstBus*, _GstMessage*, _GstBin*) (message=0x25b4800 [GstMessage], pipeline=0x258a0e0 [GstPipeline|WebAudioProvider_MediaStreamTrack_f4cb5d3f-a1c7-487c
-9fa5-7b5b723b84a3]) at ../../Source/WebCore/platform/graphics/gstreamer/GStreamerCommon.cpp:385
#6  0x00007f051a0ced04 in g_cclosure_marshal_VOID__BOXEDv (closure=0x250f220, return_value=<optimized out>, instance=<optimized out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>,
 param_types=0x214da10) at ../gobject/gmarshal.c:1686
#7  0x00007f051a0cbb46 in _g_closure_invoke_va (closure=closure at entry=0x250f220, return_value=return_value at entry=0x0, instance=instance at entry=0x2148720, args=args at entry=0x7ffde8ddfcd0, n_params=1, param_types=0x
214da10) at ../gobject/gclosure.c:873
#8  0x00007f051a0e4b5f in g_signal_emit_valist (instance=0x2148720, signal_id=<optimized out>, detail=236, var_args=var_args at entry=0x7ffde8ddfcd0) at ../gobject/gsignal.c:3403
#9  0x00007f051a0e4d43 in g_signal_emit (instance=instance at entry=0x2148720, signal_id=<optimized out>, detail=<optimized out>) at ../gobject/gsignal.c:3550
#10 0x00007f051a92142c in gst_bus_async_signal_func (bus=0x2148720 [GstBus|bus3], message=0x25b4800 [GstMessage], data=<optimized out>) at ../gst/gstbus.c:1295
#11 0x00007f051a92232c in gst_bus_source_dispatch (source=0x250f100, callback=0x7f051a9213d0 <gst_bus_async_signal_func>, user_data=0x0) at ../gst/gstbus.c:851
#12 0x00007f0519fd804f in g_main_dispatch (context=0x2107970) at ../glib/gmain.c:3325
#13 g_main_context_dispatch (context=0x2107970) at ../glib/gmain.c:4016
#14 0x00007f0519fd83f8 in g_main_context_iterate (context=0x2107970, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at ../glib/gmain.c:4092
#15 0x00007f0519fd8713 in g_main_loop_run (loop=0x2081a00) at ../glib/gmain.c:4290
#16 0x00007f0521074fb8 in WTF::RunLoop::run() () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:108
#17 0x00007f052f2a6028 in WebKit::AuxiliaryProcessMain<WebKit::WebProcess, WebKit::WebProcessMainGtk>(int, char**) (argc=4, argv=0x7ffde8de0118) at ../../Source/WebKit/Shared/AuxiliaryProcessMain.h:68
#18 0x00007f052f2a5d3b in WebKit::WebProcessMain(int, char**) (argc=4, argv=0x7ffde8de0118) at ../../Source/WebKit/WebProcess/gtk/WebProcessMainGtk.cpp:66
#19 0x0000000000400c56 in main(int, char**) (argc=4, argv=0x7ffde8de0118) at ../../Source/WebKit/WebProcess/EntryPoint/unix/WebProcessMain.cpp:45

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