[Bug 763491] Typefind behavior has changed on have-type signal

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=763491

--- Comment #14 from Sebastian Dröge (slomo) <slomo at coaxion.net> ---
Backtrace of the playbin-complex test for completeness:

#0  0x00007ffff6417ad9 in syscall () at
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff698222c in g_mutex_lock_slowpath (mutex=mutex at entry=0x696930) at
/build/glib2.0-rHXeJh/glib2.0-2.47.6/./glib/gthread-posix.c:1315
#2  0x00007ffff6982a72 in g_mutex_lock (mutex=mutex at entry=0x696930) at
/build/glib2.0-rHXeJh/glib2.0-2.47.6/./glib/gthread-posix.c:1339
#3  0x00007ffff4f97371 in pad_added_cb (element=0x7ffff003e270
[GstCodecDemuxer], pad=0x7ffff001c280 [GstPad], chain=0x7fffe8021c80)
    at gstdecodebin2.c:2936
#4  0x00007ffff6c180a7 in g_cclosure_marshal_VOID__OBJECTv
(closure=0x7fffe8029840, return_value=<optimized out>, instance=<optimized
out>, args=<optimized out>, marshal_data=0x0, n_params=<optimized out>,
param_types=0x616660) at
/build/glib2.0-rHXeJh/glib2.0-2.47.6/./gobject/gmarshal.c:2102
#5  0x00007ffff6c151d4 in _g_closure_invoke_va
(closure=closure at entry=0x7fffe8029840, return_value=return_value at entry=0x0,
instance=instance at entry=0x7ffff003e270, args=args at entry=0x7fffefdf5a90,
n_params=<optimized out>, param_types=0x616660) at
/build/glib2.0-rHXeJh/glib2.0-2.47.6/./gobject/gclosure.c:867
#6  0x00007ffff6c2f9d6 in g_signal_emit_valist (instance=0x7ffff003e270,
signal_id=<optimized out>, detail=0, var_args=var_args at entry=0x7fffefdf5a90)
    at /build/glib2.0-rHXeJh/glib2.0-2.47.6/./gobject/gsignal.c:3294
#7  0x00007ffff6c300bf in g_signal_emit
(instance=instance at entry=0x7ffff003e270, signal_id=<optimized out>,
detail=detail at entry=0)
    at /build/glib2.0-rHXeJh/glib2.0-2.47.6/./gobject/gsignal.c:3441
#8  0x00007ffff6ead038 in gst_element_add_pad (element=0x7ffff003e270
[GstCodecDemuxer], pad=pad at entry=0x7ffff001c280 [GstPad]) at gstelement.c:704
#9  0x0000000000409c3e in gst_codec_demuxer_setup_pad (demux=0x7ffff003e270
[GstCodecDemuxer], pad=0x7ffff003e380, streaminfo=0x7fffe801c060 "raw-video")
    at elements/playbin-complex.c:510
#10 0x0000000000409d4b in gst_codec_demuxer_event (pad=<optimized out>,
caps=<optimized out>, parent=0x7ffff003e270 [GstCodecDemuxer])
    at elements/playbin-complex.c:548
#11 0x0000000000409d4b in gst_codec_demuxer_event (pad=<optimized out>,
parent=0x7ffff003e270 [GstCodecDemuxer], event=0x7ffff0034830)
    at elements/playbin-complex.c:569
#12 0x00007ffff6ec4227 in gst_pad_send_event_unchecked
(pad=pad at entry=0x7ffff001c040 [GstPad], event=event at entry=0x7ffff0034830,
type=<optimized out>)
    at gstpad.c:5554
#13 0x00007ffff6ece8a9 in gst_pad_send_event (pad=0x7ffff001c040 [GstPad],
event=0x7ffff0034830) at gstpad.c:5724
#14 0x00007ffff4f8e588 in send_sticky_event (pad=<optimized out>,
event=<optimized out>, user_data=0x7fffefdf5e60) at gstdecodebin2.c:1977
#15 0x00007ffff6ec183d in foreach_dispatch_function (pad=pad at entry=0x68c4e0
[GstPad], ev=ev at entry=0x7fffefdf5d50, user_data=user_data at entry=0x7fffefdf5da0)
at gstpad.c:5823
#16 0x00007ffff6ec2867 in events_foreach (pad=pad at entry=0x68c4e0 [GstPad],
func=func at entry=0x7ffff6ec1800 <foreach_dispatch_function>,
user_data=user_data at entry=0x7fffefdf5da0) at gstpad.c:598
#17 0x00007ffff6ecf3fc in gst_pad_sticky_events_foreach (pad=pad at entry=0x68c4e0
[GstPad], foreach_func=foreach_func at entry=0x7ffff4f8e570 <send_sticky_event>,
user_data=user_data at entry=0x7fffefdf5e60) at gstpad.c:5854
#18 0x00007ffff4f8c3fc in connect_pad (dbin=0x696770 [GstDecodeBin],
pad=0x68c4e0 [GstPad]) at gstdecodebin2.c:1992
#19 0x00007ffff4f8c3fc in connect_pad (dbin=dbin at entry=0x696770 [GstDecodeBin],
src=src at entry=0x69a5a0 [GstTypeFindElement],
dpad=dpad at entry=0x7ffff00070b0---Type <return> to continue, or q <return> to
quit---
 [GstDecodePad], pad=pad at entry=0x68c4e0 [GstPad],
caps=caps at entry=0x7ffff002ba30, factories=0x7fffe8028a00, chain=0x7fffe8021c80,
deadend_details=0x7fffefdf5f28) at gstdecodebin2.c:2492
#20 0x00007ffff4f968c8 in analyze_new_pad (dbin=dbin at entry=0x696770
[GstDecodeBin], src=src at entry=0x69a5a0 [GstTypeFindElement],
pad=pad at entry=0x68c4e0 [GstPad], caps=caps at entry=0x7ffff002ba30,
chain=<optimized out>, new_chain=new_chain at entry=0x0) at gstdecodebin2.c:1806
#21 0x00007ffff4f97092 in type_found (typefind=0x69a5a0 [GstTypeFindElement],
probability=<optimized out>, caps=0x7ffff002ba30, decode_bin=0x696770
[GstDecodeBin]) at gstdecodebin2.c:2862

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