[Bug 697512] New: libav fails to register some plugins

Sun Apr 7 14:23:35 PDT 2013

https://bugzilla.gnome.org/show_bug.cgi?id=697512
  GStreamer | gst-libav | 1.0.6

           Summary: libav fails to register some plugins
    Classification: Platform
           Product: GStreamer
           Version: 1.0.6
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-libav
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: lionel.g.landwerlin at linux.intel.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

When starting a gstreamer app like totem I get these warnings (with backtraces
prior) : 

Breakpoint 1, g_logv (log_domain=0x7ffff78ce26c "GLib-GObject",
log_level=G_LOG_LEVEL_WARNING, 
    format=0x7ffff78d6628 "type name `%s' contains invalid characters",
args=args at entry=0x7fffef7fc488)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gmessages.c:857
857   
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gmessages.c:
No such file or directory.
(gdb) bt
#0  g_logv (log_domain=0x7ffff78ce26c "GLib-GObject",
log_level=G_LOG_LEVEL_WARNING, 
    format=0x7ffff78d6628 "type name `%s' contains invalid characters",
args=args at entry=0x7fffef7fc488)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gmessages.c:857
#1  0x00007ffff75e8082 in g_log (log_domain=log_domain at entry=0x7ffff78ce26c
"GLib-GObject", log_level=log_level at entry=G_LOG_LEVEL_WARNING, 
    format=<optimized out>) at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gmessages.c:1010
#2  0x00007ffff78c4cb5 in check_type_name_I
(type_name=type_name at entry=0x7fffe004fb70 "avmux_stream_segment,ssegment")
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gtype.c:759
#3  0x00007ffff78c4d34 in g_type_register_static (parent_type=6367552, 
    type_name=type_name at entry=0x7fffe004fb70 "avmux_stream_segment,ssegment",
info=info at entry=0x7fffef7fc5f0, flags=flags at entry=0)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gtype.c:2755
#4  0x00007fffee1adfae in gst_ffmpegmux_register (plugin=plugin at entry=0x70e160)
at gstavmux.c:948
#5  0x00007fffee190a58 in plugin_init (plugin=0x70e160) at gstav.c:149
#6  0x00007ffff7b5119b in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#7  0x00007ffff7b52e12 in gst_plugin_load_file () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#8  0x00007ffff7b53993 in gst_plugin_load_by_name () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#9  0x00007ffff7b54390 in gst_plugin_feature_load () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#10 0x00007ffff7b3252c in gst_element_factory_create () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#11 0x00007ffff6038b4c in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#12 0x00007ffff603a465 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#13 0x00007ffff603a82d in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#14 0x00007ffff78a5e30 in g_closure_invoke (closure=0x7fffe8011df0,
return_value=0x0, n_param_values=2, param_values=0x7fffef7fcd30, 
    invocation_hint=0x7fffef7fccd0) at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gclosure.c:777
#15 0x00007ffff78b7650 in signal_emit_unlocked_R (node=node at entry=0x6175d0,
detail=detail at entry=159, instance=instance at entry=0x7fffe80120b0, 
    emission_return=emission_return at entry=0x0,
instance_and_params=instance_and_params at entry=0x7fffef7fcd30)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gsignal.c:3584
#16 0x00007ffff78bf51a in g_signal_emit_valist (instance=0x7fffe80120b0,
signal_id=<optimized out>, detail=159, 
    var_args=var_args at entry=0x7fffef7fcf88) at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gsignal.c:3328
#17 0x00007ffff78bf7b2 in g_signal_emit (instance=<optimized out>,
signal_id=<optimized out>, detail=<optimized out>)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gsignal.c:3384
#18 0x00007ffff78aa7d5 in g_object_dispatch_properties_changed
(object=0x7fffe80120b0, n_pspecs=16, pspecs=0x7ffff78d6628)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gobject.c:1042
#19 0x00007ffff7b107a4 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#20 0x00007ffff78ac1d3 in g_object_notify_by_spec_internal (pspec=<optimized
out>, object=0x7fffe80120b0)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gobject.c:1136
#21 g_object_notify_by_pspec (object=0x7fffe80120b0, pspec=<optimized out>)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gobject.c:1237
#22 0x00007ffff7b42799 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#23 0x00007ffff7b4ce60 in gst_pad_push_event () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#24 0x00007ffff551f9f2 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#25 0x00007ffff5520aed in ?? () from
/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#26 0x00007ffff7b43c71 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#27 0x00007ffff7b444aa in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#28 0x00007ffff7b4498b in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
---Type <return> to continue, or q <return> to quit---
#29 0x00007ffff7b424ba in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#30 0x00007ffff7b4cfcb in gst_pad_push_event () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#31 0x00007fffeedef3d8 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoparsersbad.so
#32 0x00007fffeedefe08 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoparsersbad.so
#33 0x00007ffff55053f6 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#34 0x00007fffeeded2ce in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoparsersbad.so
#35 0x00007ffff7b43c71 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#36 0x00007ffff7b444aa in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#37 0x00007ffff7b4498b in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#38 0x00007ffff7b424ba in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#39 0x00007ffff7b4cfcb in gst_pad_push_event () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#40 0x00007ffff4e2cd8a in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#41 0x00007ffff7b73541 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#42 0x00007ffff7605242 in g_thread_pool_thread_proxy (data=<optimized out>)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gthreadpool.c:309
#43 0x00007ffff7604a05 in g_thread_proxy (data=0x7fffe8003140)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gthread.c:798
#44 0x00007ffff7380e0e in start_thread (arg=0x7fffef7fe700) at
pthread_create.c:311
#45 0x00007ffff70b494d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113
(gdb) c
Continuing.

(gst-launch-1.0:1569): GLib-GObject-WARNING **: type name
`avmux_stream_segment,ssegment' contains invalid characters

Breakpoint 1, g_logv (log_domain=0x7ffff78ce26c "GLib-GObject",
log_level=G_LOG_LEVEL_CRITICAL, 
    format=0x7ffff762d382 "%s: assertion `%s' failed",
args=args at entry=0x7fffef7fc4e8)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gmessages.c:857
857    in
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gmessages.c
(gdb) bt
#0  g_logv (log_domain=0x7ffff78ce26c "GLib-GObject",
log_level=G_LOG_LEVEL_CRITICAL, format=0x7ffff762d382 "%s: assertion `%s'
failed", 
    args=args at entry=0x7fffef7fc4e8) at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gmessages.c:857
#1  0x00007ffff75e8082 in g_log (log_domain=<optimized out>,
log_level=<optimized out>, format=<optimized out>)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gmessages.c:1010
#2  0x00007fffee1adfd1 in gst_ffmpegmux_register (plugin=plugin at entry=0x70e160)
at gstavmux.c:949
#3  0x00007fffee190a58 in plugin_init (plugin=0x70e160) at gstav.c:149
#4  0x00007ffff7b5119b in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#5  0x00007ffff7b52e12 in gst_plugin_load_file () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#6  0x00007ffff7b53993 in gst_plugin_load_by_name () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#7  0x00007ffff7b54390 in gst_plugin_feature_load () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#8  0x00007ffff7b3252c in gst_element_factory_create () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#9  0x00007ffff6038b4c in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#10 0x00007ffff603a465 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#11 0x00007ffff603a82d in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#12 0x00007ffff78a5e30 in g_closure_invoke (closure=0x7fffe8011df0,
return_value=0x0, n_param_values=2, param_values=0x7fffef7fcd30, 
    invocation_hint=0x7fffef7fccd0) at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gclosure.c:777
#13 0x00007ffff78b7650 in signal_emit_unlocked_R (node=node at entry=0x6175d0,
detail=detail at entry=159, instance=instance at entry=0x7fffe80120b0, 
    emission_return=emission_return at entry=0x0,
instance_and_params=instance_and_params at entry=0x7fffef7fcd30)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gsignal.c:3584
#14 0x00007ffff78bf51a in g_signal_emit_valist (instance=0x7fffe80120b0,
signal_id=<optimized out>, detail=159, 
    var_args=var_args at entry=0x7fffef7fcf88) at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gsignal.c:3328
#15 0x00007ffff78bf7b2 in g_signal_emit (instance=<optimized out>,
signal_id=<optimized out>, detail=<optimized out>)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gsignal.c:3384
#16 0x00007ffff78aa7d5 in g_object_dispatch_properties_changed
(object=0x7fffe80120b0, n_pspecs=8, pspecs=0x7ffff762d382)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gobject.c:1042
#17 0x00007ffff7b107a4 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#18 0x00007ffff78ac1d3 in g_object_notify_by_spec_internal (pspec=<optimized
out>, object=0x7fffe80120b0)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gobject.c:1136
#19 g_object_notify_by_pspec (object=0x7fffe80120b0, pspec=<optimized out>)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gobject.c:1237
#20 0x00007ffff7b42799 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#21 0x00007ffff7b4ce60 in gst_pad_push_event () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#22 0x00007ffff551f9f2 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#23 0x00007ffff5520aed in ?? () from
/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#24 0x00007ffff7b43c71 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#25 0x00007ffff7b444aa in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#26 0x00007ffff7b4498b in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#27 0x00007ffff7b424ba in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#28 0x00007ffff7b4cfcb in gst_pad_push_event () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#29 0x00007fffeedef3d8 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoparsersbad.so
#30 0x00007fffeedefe08 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoparsersbad.so
#31 0x00007ffff55053f6 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#32 0x00007fffeeded2ce in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoparsersbad.so
---Type <return> to continue, or q <return> to quit---
#33 0x00007ffff7b43c71 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#34 0x00007ffff7b444aa in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#35 0x00007ffff7b4498b in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#36 0x00007ffff7b424ba in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#37 0x00007ffff7b4cfcb in gst_pad_push_event () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#38 0x00007ffff4e2cd8a in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#39 0x00007ffff7b73541 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#40 0x00007ffff7605242 in g_thread_pool_thread_proxy (data=<optimized out>)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gthreadpool.c:309
#41 0x00007ffff7604a05 in g_thread_proxy (data=0x7fffe8003140)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gthread.c:798
#42 0x00007ffff7380e0e in start_thread (arg=0x7fffef7fe700) at
pthread_create.c:311
#43 0x00007ffff70b494d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113
(gdb) c
Continuing.

(gst-launch-1.0:1569): GLib-GObject-CRITICAL **: g_type_set_qdata: assertion
`node != NULL' failed

Breakpoint 1, g_logv (log_domain=0x7ffff78ce26c "GLib-GObject",
log_level=G_LOG_LEVEL_CRITICAL, 
    format=0x7ffff762d382 "%s: assertion `%s' failed",
args=args at entry=0x7fffef7fc4e8)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gmessages.c:857
857    in
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gmessages.c
(gdb) bt
#0  g_logv (log_domain=0x7ffff78ce26c "GLib-GObject",
log_level=G_LOG_LEVEL_CRITICAL, format=0x7ffff762d382 "%s: assertion `%s'
failed", 
    args=args at entry=0x7fffef7fc4e8) at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gmessages.c:857
#1  0x00007ffff75e8082 in g_log (log_domain=log_domain at entry=0x7ffff78ce26c
"GLib-GObject", log_level=log_level at entry=G_LOG_LEVEL_CRITICAL, 
    format=format at entry=0x7ffff762d382 "%s: assertion `%s' failed")
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gmessages.c:1010
#2  0x00007ffff75e80a9 in g_return_if_fail_warning
(log_domain=log_domain at entry=0x7ffff78ce26c "GLib-GObject", 
    pretty_function=pretty_function at entry=0x7ffff78d78b0
"g_type_add_interface_static", expression=<optimized out>)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gmessages.c:1019
#3  0x00007ffff78c5d64 in g_type_add_interface_static (instance_type=<optimized
out>, interface_type=<optimized out>, 
    info=info at entry=0x7fffee1b5a20) at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gtype.c:2843
#4  0x00007fffee1adfed in gst_ffmpegmux_register (plugin=plugin at entry=0x70e160)
at gstavmux.c:950
#5  0x00007fffee190a58 in plugin_init (plugin=0x70e160) at gstav.c:149
#6  0x00007ffff7b5119b in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#7  0x00007ffff7b52e12 in gst_plugin_load_file () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#8  0x00007ffff7b53993 in gst_plugin_load_by_name () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#9  0x00007ffff7b54390 in gst_plugin_feature_load () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#10 0x00007ffff7b3252c in gst_element_factory_create () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#11 0x00007ffff6038b4c in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#12 0x00007ffff603a465 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#13 0x00007ffff603a82d in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#14 0x00007ffff78a5e30 in g_closure_invoke (closure=0x7fffe8011df0,
return_value=0x0, n_param_values=2, param_values=0x7fffef7fcd30, 
    invocation_hint=0x7fffef7fccd0) at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gclosure.c:777
#15 0x00007ffff78b7650 in signal_emit_unlocked_R (node=node at entry=0x6175d0,
detail=detail at entry=159, instance=instance at entry=0x7fffe80120b0, 
    emission_return=emission_return at entry=0x0,
instance_and_params=instance_and_params at entry=0x7fffef7fcd30)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gsignal.c:3584
#16 0x00007ffff78bf51a in g_signal_emit_valist (instance=0x7fffe80120b0,
signal_id=<optimized out>, detail=159, 
    var_args=var_args at entry=0x7fffef7fcf88) at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gsignal.c:3328
#17 0x00007ffff78bf7b2 in g_signal_emit (instance=<optimized out>,
signal_id=<optimized out>, detail=<optimized out>)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gsignal.c:3384
#18 0x00007ffff78aa7d5 in g_object_dispatch_properties_changed
(object=0x7fffe80120b0, n_pspecs=8, pspecs=0x7ffff762d382)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gobject.c:1042
#19 0x00007ffff7b107a4 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#20 0x00007ffff78ac1d3 in g_object_notify_by_spec_internal (pspec=<optimized
out>, object=0x7fffe80120b0)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gobject.c:1136
#21 g_object_notify_by_pspec (object=0x7fffe80120b0, pspec=<optimized out>)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gobject.c:1237
#22 0x00007ffff7b42799 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#23 0x00007ffff7b4ce60 in gst_pad_push_event () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#24 0x00007ffff551f9f2 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#25 0x00007ffff5520aed in ?? () from
/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#26 0x00007ffff7b43c71 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#27 0x00007ffff7b444aa in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#28 0x00007ffff7b4498b in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
---Type <return> to continue, or q <return> to quit---
#29 0x00007ffff7b424ba in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#30 0x00007ffff7b4cfcb in gst_pad_push_event () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#31 0x00007fffeedef3d8 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoparsersbad.so
#32 0x00007fffeedefe08 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoparsersbad.so
#33 0x00007ffff55053f6 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#34 0x00007fffeeded2ce in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoparsersbad.so
#35 0x00007ffff7b43c71 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#36 0x00007ffff7b444aa in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#37 0x00007ffff7b4498b in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#38 0x00007ffff7b424ba in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#39 0x00007ffff7b4cfcb in gst_pad_push_event () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#40 0x00007ffff4e2cd8a in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#41 0x00007ffff7b73541 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#42 0x00007ffff7605242 in g_thread_pool_thread_proxy (data=<optimized out>)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gthreadpool.c:309
#43 0x00007ffff7604a05 in g_thread_proxy (data=0x7fffe8003140)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gthread.c:798
#44 0x00007ffff7380e0e in start_thread (arg=0x7fffef7fe700) at
pthread_create.c:311
#45 0x00007ffff70b494d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113
(gdb) c
Continuing.

(gst-launch-1.0:1569): GLib-GObject-CRITICAL **: g_type_add_interface_static:
assertion `G_TYPE_IS_INSTANTIATABLE (instance_type)' failed

Breakpoint 1, g_logv (log_domain=0x7ffff7b94198 "GStreamer",
log_level=G_LOG_LEVEL_CRITICAL, 
    format=0x7ffff762d382 "%s: assertion `%s' failed",
args=args at entry=0x7fffef7fc458)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gmessages.c:857
857    in
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gmessages.c
(gdb) bt
#0  g_logv (log_domain=0x7ffff7b94198 "GStreamer",
log_level=G_LOG_LEVEL_CRITICAL, format=0x7ffff762d382 "%s: assertion `%s'
failed", 
    args=args at entry=0x7fffef7fc458) at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gmessages.c:857
#1  0x00007ffff75e8082 in g_log (log_domain=<optimized out>,
log_level=<optimized out>, format=<optimized out>)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gmessages.c:1010
#2  0x00007ffff7b32dba in gst_element_register () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#3  0x00007fffee1ae003 in gst_ffmpegmux_register (plugin=plugin at entry=0x70e160)
at gstavmux.c:953
#4  0x00007fffee190a58 in plugin_init (plugin=0x70e160) at gstav.c:149
#5  0x00007ffff7b5119b in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#6  0x00007ffff7b52e12 in gst_plugin_load_file () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#7  0x00007ffff7b53993 in gst_plugin_load_by_name () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#8  0x00007ffff7b54390 in gst_plugin_feature_load () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#9  0x00007ffff7b3252c in gst_element_factory_create () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#10 0x00007ffff6038b4c in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#11 0x00007ffff603a465 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#12 0x00007ffff603a82d in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#13 0x00007ffff78a5e30 in g_closure_invoke (closure=0x7fffe8011df0,
return_value=0x0, n_param_values=2, param_values=0x7fffef7fcd30, 
    invocation_hint=0x7fffef7fccd0) at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gclosure.c:777
#14 0x00007ffff78b7650 in signal_emit_unlocked_R (node=node at entry=0x6175d0,
detail=detail at entry=159, instance=instance at entry=0x7fffe80120b0, 
    emission_return=emission_return at entry=0x0,
instance_and_params=instance_and_params at entry=0x7fffef7fcd30)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gsignal.c:3584
#15 0x00007ffff78bf51a in g_signal_emit_valist (instance=0x7fffe80120b0,
signal_id=<optimized out>, detail=159, 
    var_args=var_args at entry=0x7fffef7fcf88) at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gsignal.c:3328
#16 0x00007ffff78bf7b2 in g_signal_emit (instance=<optimized out>,
signal_id=<optimized out>, detail=<optimized out>)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gsignal.c:3384
#17 0x00007ffff78aa7d5 in g_object_dispatch_properties_changed
(object=0x7fffe80120b0, n_pspecs=8, pspecs=0x7ffff762d382)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gobject.c:1042
#18 0x00007ffff7b107a4 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#19 0x00007ffff78ac1d3 in g_object_notify_by_spec_internal (pspec=<optimized
out>, object=0x7fffe80120b0)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gobject.c:1136
#20 g_object_notify_by_pspec (object=0x7fffe80120b0, pspec=<optimized out>)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./gobject/gobject.c:1237
#21 0x00007ffff7b42799 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#22 0x00007ffff7b4ce60 in gst_pad_push_event () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#23 0x00007ffff551f9f2 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#24 0x00007ffff5520aed in ?? () from
/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#25 0x00007ffff7b43c71 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#26 0x00007ffff7b444aa in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#27 0x00007ffff7b4498b in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#28 0x00007ffff7b424ba in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#29 0x00007ffff7b4cfcb in gst_pad_push_event () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#30 0x00007fffeedef3d8 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoparsersbad.so
#31 0x00007fffeedefe08 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoparsersbad.so
#32 0x00007ffff55053f6 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
---Type <return> to continue, or q <return> to quit---
#33 0x00007fffeeded2ce in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoparsersbad.so
#34 0x00007ffff7b43c71 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#35 0x00007ffff7b444aa in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#36 0x00007ffff7b4498b in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#37 0x00007ffff7b424ba in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#38 0x00007ffff7b4cfcb in gst_pad_push_event () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#39 0x00007ffff4e2cd8a in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#40 0x00007ffff7b73541 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#41 0x00007ffff7605242 in g_thread_pool_thread_proxy (data=<optimized out>)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gthreadpool.c:309
#42 0x00007ffff7604a05 in g_thread_proxy (data=0x7fffe8003140)
    at
/build/buildd-glib2.0_2.36.0-2-amd64-6GGhvz/glib2.0-2.36.0/./glib/gthread.c:798
#43 0x00007ffff7380e0e in start_thread (arg=0x7fffef7fe700) at
pthread_create.c:311
#44 0x00007ffff70b494d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113
(gdb) c
Continuing.

(gst-launch-1.0:1569): GStreamer-CRITICAL **: gst_element_register: assertion
`g_type_is_a (type, GST_TYPE_ELEMENT)' failed

That's on Debian unstable/experimental with Gnome 3.8.

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