StacktraceTop: g_assertion_message (domain=domain@entry=0x0, file=file@entry=0x7f4470885a3f "gstv4l2deviceprovider.c", line=line@entry=425, func=func@entry=0x7f4470885da0 <__func__.25326> "gst_v4l2_device_provider_start", message=message@entry=0x5569ed006f30 "assertion failed: (self->context == NULL)") at ../../../../glib/gtestutils.c:2436 g_assertion_message_expr (domain=domain@entry=0x0, file=file@entry=0x7f4470885a3f "gstv4l2deviceprovider.c", line=line@entry=425, func=func@entry=0x7f4470885da0 <__func__.25326> "gst_v4l2_device_provider_start", expr=expr@entry=0x7f4470885a29 "self->context == NULL") at ../../../../glib/gtestutils.c:2459 gst_v4l2_device_provider_start (provider=0x5569ec86c0e0) at gstv4l2deviceprovider.c:425 gst_device_provider_start (provider=provider@entry=0x5569ec86c0e0) at gstdeviceprovider.c:429 gst_device_monitor_start (monitor=0x5569ed9ccab0) at gstdevicemonitor.c:506
StacktraceTop: message (domain= domain@ entry=0x0, file=file@ entry=0x7f44708 85a3f "gstv4l2devicep rovider. c", line=line@ entry=425, func=func@ entry=0x7f44708 85da0 <__func__.25326> "gst_v4l2_ device_ provider_ start", message= message@ entry=0x5569ed0 06f30 "assertion failed: (self->context == NULL)") at ../../. ./../glib/ gtestutils. c:2436 message_ expr (domain= domain@ entry=0x0, file=file@ entry=0x7f44708 85a3f "gstv4l2devicep rovider. c", line=line@ entry=425, func=func@ entry=0x7f44708 85da0 <__func__.25326> "gst_v4l2_ device_ provider_ start", expr=expr@ entry=0x7f44708 85a29 "self->context == NULL") at ../../. ./../glib/ gtestutils. c:2459 device_ provider_ start (provider= 0x5569ec86c0e0) at gstv4l2devicepr ovider. c:425 provider_ start (provider= provider@ entry=0x5569ec8 6c0e0) at gstdeviceprovid er.c:429 monitor_ start (monitor= 0x5569ed9ccab0) at gstdevicemonito r.c:506
g_assertion_
g_assertion_
gst_v4l2_
gst_device_
gst_device_