Another hang when trying to play three files
Had to kill the process.
Terminal output for GST_DEBUG_FILE=gst.log G_DEBUG=fatal_warnings GST_DEBUG=5 gst-play-1.0 --use-playbin3 pluck.wav pluck.wav pluck.wav
:
Press 'k' to see a list of keyboard shortcuts.
Now playing /home/rt/gstreamer_testing/pluck.wav
Redistribute latency...
Redistribute latency...
0:00:01.2 / 0:00:01.2
Now playing /home/rt/gstreamer_testing/pluck.wav
Redistribute latency...
Redistribute latency...
0:00:01.2 / 0:00:01.2
Now playing /home/rt/gstreamer_testing/pluck.wav
Stack traces:
>>> info threads
Id Target Id Frame
* 1 Thread 0x7fbbc0b72b80 (LWP 3491914) "gst-play-1.0" __lll_lock_wait (futex=futex@entry=0x555d56ffcfd0, private=0) at lowlevellock.c:52
2 Thread 0x7fbbbf0c6700 (LWP 3491951) "typefindelement" syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
>>> thread 1
[Switching to thread 1 (Thread 0x7fbbc0b72b80 (LWP 3491914))]
#0 __lll_lock_wait (futex=futex@entry=0x555d56ffcfd0, private=0) at lowlevellock.c:52
52 in lowlevellock.c
>>> bt
#0 __lll_lock_wait (futex=futex@entry=0x555d56ffcfd0, private=0) at lowlevellock.c:52
#1 0x00007fbbc0cfe131 in __GI___pthread_mutex_lock (mutex=0x555d56ffcfd0) at ../nptl/pthread_mutex_lock.c:115
#2 0x00007fbbc145c5cc in gst_pad_pause_task (pad=0x7fbba0040ae0 [GstPad]) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:6390
#3 0x00007fbbc04d7bc3 in gst_type_find_element_activate_src_mode (pad=0x7fbba0040d30 [GstPad], parent=0x555d56fd4650 [GstTypeFindElement], mode=GST_PAD_MODE_PULL, active=0) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/plugins/elements/gsttypefindelement.c:1089
#4 0x00007fbbc144a380 in activate_mode_internal (pad=0x7fbba0040d30 [GstPad], parent=0x555d56fd4650 [GstTypeFindElement], mode=GST_PAD_MODE_PULL, active=0) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:1213
#5 0x00007fbbc144a914 in gst_pad_activate_mode (pad=0x7fbba0040d30 [GstPad], mode=GST_PAD_MODE_PULL, active=0) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:1318
#6 0x00007fbbc144a292 in activate_mode_internal (pad=0x7fbbb40e00c0 [GstProxyPad], parent=0x555d56fcd650 [GstGhostPad], mode=GST_PAD_MODE_PULL, active=0) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:1181
#7 0x00007fbbc144a914 in gst_pad_activate_mode (pad=0x7fbbb40e00c0 [GstProxyPad], mode=GST_PAD_MODE_PULL, active=0) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:1318
#8 0x00007fbbc14320d1 in gst_ghost_pad_activate_pull_default (pad=0x555d56fcd650 [GstGhostPad], parent=0x555d56fce560 [GstURISourceBin], active=0) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstghostpad.c:393
#9 0x00007fbbc1432301 in gst_ghost_pad_activate_mode_default (pad=0x555d56fcd650 [GstGhostPad], parent=0x555d56fce560 [GstURISourceBin], mode=GST_PAD_MODE_PULL, active=0) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstghostpad.c:434
#10 0x00007fbbc144a380 in activate_mode_internal (pad=0x555d56fcd650 [GstGhostPad], parent=0x555d56fce560 [GstURISourceBin], mode=GST_PAD_MODE_PULL, active=0) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:1213
#11 0x00007fbbc144a1ef in activate_mode_internal (pad=0x555d56fcd650 [GstGhostPad], parent=0x555d56fce560 [GstURISourceBin], mode=GST_PAD_MODE_PUSH, active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:1170
#12 0x00007fbbc14495d7 in gst_pad_activate_default (pad=0x555d56fcd650 [GstGhostPad], parent=0x555d56fce560 [GstURISourceBin]) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:937
#13 0x00007fbbc1449da1 in gst_pad_set_active (pad=0x555d56fcd650 [GstGhostPad], active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:1096
#14 0x00007fbbc13f2579 in activate_pads (vpad=0x7fff0224d330, ret=0x7fff0224d380, active=0x7fff0224d3b4) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstbin.c:2629
#15 0x00007fbbc143cd97 in gst_iterator_fold (it=0x555d56fedef0, func=0x7fbbc13f2536 <activate_pads>, ret=0x7fff0224d380, user_data=0x7fff0224d3b4) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstiterator.c:617
#16 0x00007fbbc13f261f in iterator_activate_fold_with_resync (iter=0x555d56fedef0, user_data=0x7fff0224d3b4) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstbin.c:2652
#17 0x00007fbbc13f271e in gst_bin_src_pads_activate (bin=0x555d56fce560 [GstURISourceBin], active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstbin.c:2686
#18 0x00007fbbc13f381b in gst_bin_change_state_func (element=0x555d56fce560 [GstURISourceBin], transition=GST_STATE_CHANGE_READY_TO_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstbin.c:2869
#19 0x00007fbbc053d09b in gst_uri_source_bin_change_state (element=0x555d56fce560 [GstURISourceBin], transition=GST_STATE_CHANGE_READY_TO_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gst-plugins-base/gst/playback/gsturisourcebin.c:2977
#20 0x00007fbbc14262e9 in gst_element_change_state (element=0x555d56fce560 [GstURISourceBin], transition=GST_STATE_CHANGE_READY_TO_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:3091
#21 0x00007fbbc1426073 in gst_element_set_state_func (element=0x555d56fce560 [GstURISourceBin], state=GST_STATE_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:3045
#22 0x00007fbbc1425c6e in gst_element_set_state (element=0x555d56fce560 [GstURISourceBin], state=GST_STATE_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:2946
#23 0x00007fbbc13f2324 in gst_bin_element_set_state (bin=0x555d56fc8050 [GstURIDecodeBin3], element=0x555d56fce560 [GstURISourceBin], base_time=0, start_time=0, current=GST_STATE_READY, next=GST_STATE_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstbin.c:2581
#24 0x00007fbbc13f3a75 in gst_bin_change_state_func (element=0x555d56fc8050 [GstURIDecodeBin3], transition=GST_STATE_CHANGE_READY_TO_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstbin.c:2930
#25 0x00007fbbc053326a in gst_uri_decode_bin3_change_state (element=0x555d56fc8050 [GstURIDecodeBin3], transition=GST_STATE_CHANGE_READY_TO_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gst-plugins-base/gst/playback/gsturidecodebin3.c:1892
#26 0x00007fbbc14262e9 in gst_element_change_state (element=0x555d56fc8050 [GstURIDecodeBin3], transition=GST_STATE_CHANGE_READY_TO_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:3091
#27 0x00007fbbc1426073 in gst_element_set_state_func (element=0x555d56fc8050 [GstURIDecodeBin3], state=GST_STATE_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:3045
#28 0x00007fbbc1425c6e in gst_element_set_state (element=0x555d56fc8050 [GstURIDecodeBin3], state=GST_STATE_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:2946
#29 0x00007fbbc13f2324 in gst_bin_element_set_state (bin=0x555d56fc40c0 [GstPlayBin3], element=0x555d56fc8050 [GstURIDecodeBin3], base_time=0, start_time=0, current=GST_STATE_READY, next=GST_STATE_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstbin.c:2581
#30 0x00007fbbc13f3a75 in gst_bin_change_state_func (element=0x555d56fc40c0 [GstPlayBin3], transition=GST_STATE_CHANGE_READY_TO_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstbin.c:2930
#31 0x00007fbbc14602fd in gst_pipeline_change_state (element=0x555d56fc40c0 [GstPlayBin3], transition=GST_STATE_CHANGE_READY_TO_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpipeline.c:529
#32 0x00007fbbc056207b in gst_play_bin3_change_state (element=0x555d56fc40c0 [GstPlayBin3], transition=GST_STATE_CHANGE_READY_TO_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gst-plugins-base/gst/playback/gstplaybin3.c:2702
#33 0x00007fbbc14262e9 in gst_element_change_state (element=0x555d56fc40c0 [GstPlayBin3], transition=GST_STATE_CHANGE_READY_TO_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:3091
#34 0x00007fbbc1426073 in gst_element_set_state_func (element=0x555d56fc40c0 [GstPlayBin3], state=GST_STATE_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:3045
#35 0x00007fbbc1425c6e in gst_element_set_state (element=0x555d56fc40c0 [GstPlayBin3], state=GST_STATE_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:2946
#36 0x0000555d55b0031a in play_uri (play=0x555d56fc2000, next_uri=0x555d56fbdb30 "file:///home/rt/gstreamer_testing/pluck.wav") at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gst-plugins-base/tools/gst-play.c:766
#37 0x0000555d55b003ff in play_next (play=0x555d56fc2000) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gst-plugins-base/tools/gst-play.c:794
#38 0x0000555d55aff237 in play_bus_msg (bus=0x555d56eff040 [GstBus], msg=0x7fbbb4001c90, user_data=0x555d56fc2000) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gst-plugins-base/tools/gst-play.c:447
#39 0x00007fbbc140415d in gst_bus_source_dispatch (source=0x555d56fbfdc0, callback=0x555d55afedee <play_bus_msg>, user_data=0x555d56fc2000) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstbus.c:821
#40 0x00007fbbc11a704e in g_main_dispatch (context=0x555d56fc20b0) at ../../../glib/gmain.c:3309
#41 g_main_context_dispatch (context=context@entry=0x555d56fc20b0) at ../../../glib/gmain.c:3974
#42 0x00007fbbc11a7400 in g_main_context_iterate (context=0x555d56fc20b0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4047
#43 0x00007fbbc11a76f3 in g_main_loop_run (loop=0x555d56fc2170) at ../../../glib/gmain.c:4241
#44 0x0000555d55b00618 in do_play (play=0x555d56fc2000) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gst-plugins-base/tools/gst-play.c:846
#45 0x0000555d55b02e6e in main (argc=1, argv=0x7fff0224e438) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gst-plugins-base/tools/gst-play.c:1807
>>> thread 2
[Switching to thread 2 (Thread 0x7fbbbf0c6700 (LWP 3491951))]
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
38 ../sysdeps/unix/sysv/linux/x86_64/syscall.S: No such file or directory.
>>> bt
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007fbbc11f4623 in g_cond_wait (cond=0x555d56fcd630, mutex=0x555d56fcd668) at ../../../glib/gthread-posix.c:1540
#2 0x00007fbbc1449804 in pre_activate (pad=0x555d56fcd650 [GstGhostPad], new_mode=GST_PAD_MODE_PULL) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:992
#3 0x00007fbbc144a34d in activate_mode_internal (pad=0x555d56fcd650 [GstGhostPad], parent=0x555d56fce560 [GstURISourceBin], mode=GST_PAD_MODE_PULL, active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:1210
#4 0x00007fbbc144a914 in gst_pad_activate_mode (pad=0x555d56fcd650 [GstGhostPad], mode=GST_PAD_MODE_PULL, active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:1318
#5 0x00007fbbc1432165 in gst_ghost_pad_activate_pull_default (pad=0x555d56fcc2d0 [GstGhostPad], parent=0x555d56fcc030 [GstDecodebin3], active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstghostpad.c:399
#6 0x00007fbbc1432301 in gst_ghost_pad_activate_mode_default (pad=0x555d56fcc2d0 [GstGhostPad], parent=0x555d56fcc030 [GstDecodebin3], mode=GST_PAD_MODE_PULL, active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstghostpad.c:434
#7 0x00007fbbc144a380 in activate_mode_internal (pad=0x555d56fcc2d0 [GstGhostPad], parent=0x555d56fcc030 [GstDecodebin3], mode=GST_PAD_MODE_PULL, active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:1213
#8 0x00007fbbc144a914 in gst_pad_activate_mode (pad=0x555d56fcc2d0 [GstGhostPad], mode=GST_PAD_MODE_PULL, active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:1318
#9 0x00007fbbc1431ac0 in gst_ghost_pad_internal_activate_pull_default (pad=0x555d56fce0d0 [GstProxyPad], parent=0x555d56fcc2d0 [GstGhostPad], active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstghostpad.c:302
#10 0x00007fbbc1431cf0 in gst_ghost_pad_internal_activate_mode_default (pad=0x555d56fce0d0 [GstProxyPad], parent=0x555d56fcc2d0 [GstGhostPad], mode=GST_PAD_MODE_PULL, active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstghostpad.c:344
#11 0x00007fbbc144a380 in activate_mode_internal (pad=0x555d56fce0d0 [GstProxyPad], parent=0x555d56fcc2d0 [GstGhostPad], mode=GST_PAD_MODE_PULL, active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:1213
#12 0x00007fbbc144a914 in gst_pad_activate_mode (pad=0x555d56fce0d0 [GstProxyPad], mode=GST_PAD_MODE_PULL, active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:1318
#13 0x00007fbbc144a292 in activate_mode_internal (pad=0x555d56fcc540 [GstGhostPad], parent=0x555d56fc8290 [GstParseBin], mode=GST_PAD_MODE_PULL, active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:1181
#14 0x00007fbbc144a914 in gst_pad_activate_mode (pad=0x555d56fcc540 [GstGhostPad], mode=GST_PAD_MODE_PULL, active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:1318
#15 0x00007fbbc1431ac0 in gst_ghost_pad_internal_activate_pull_default (pad=0x555d56fce330 [GstProxyPad], parent=0x555d56fcc540 [GstGhostPad], active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstghostpad.c:302
#16 0x00007fbbc1431cf0 in gst_ghost_pad_internal_activate_mode_default (pad=0x555d56fce330 [GstProxyPad], parent=0x555d56fcc540 [GstGhostPad], mode=GST_PAD_MODE_PULL, active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstghostpad.c:344
#17 0x00007fbbc144a380 in activate_mode_internal (pad=0x555d56fce330 [GstProxyPad], parent=0x555d56fcc540 [GstGhostPad], mode=GST_PAD_MODE_PULL, active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:1213
#18 0x00007fbbc144a914 in gst_pad_activate_mode (pad=0x555d56fce330 [GstProxyPad], mode=GST_PAD_MODE_PULL, active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:1318
#19 0x00007fbbc144a292 in activate_mode_internal (pad=0x555d56fd61a0 [GstPad], parent=0x555d56fd40b0 [GstTypeFindElement], mode=GST_PAD_MODE_PULL, active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:1181
#20 0x00007fbbc144a914 in gst_pad_activate_mode (pad=0x555d56fd61a0 [GstPad], mode=GST_PAD_MODE_PULL, active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:1318
#21 0x00007fbbc04d8aeb in gst_type_find_element_activate_sink (pad=0x555d56fd61a0 [GstPad], parent=0x555d56fd40b0 [GstTypeFindElement]) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/plugins/elements/gsttypefindelement.c:1339
#22 0x00007fbbc1449da1 in gst_pad_set_active (pad=0x555d56fd61a0 [GstPad], active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:1096
#23 0x00007fbbc14267f1 in activate_pads (vpad=0x7fbbbf0c4740, ret=0x7fbbbf0c47a0, active=0x7fbbbf0c47d4) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:3179
#24 0x00007fbbc143cd97 in gst_iterator_fold (it=0x7fbbb40068e0, func=0x7fbbc14267ae <activate_pads>, ret=0x7fbbbf0c47a0, user_data=0x7fbbbf0c47d4) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstiterator.c:617
#25 0x00007fbbc1426898 in iterator_activate_fold_with_resync (iter=0x7fbbb40068e0, func=0x7fbbc14267ae <activate_pads>, user_data=0x7fbbbf0c47d4) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:3203
#26 0x00007fbbc14269de in gst_element_pads_activate (element=0x555d56fd40b0 [GstTypeFindElement], active=1) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:3248
#27 0x00007fbbc1426cb8 in gst_element_change_state_func (element=0x555d56fd40b0 [GstTypeFindElement], transition=GST_STATE_CHANGE_READY_TO_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:3299
#28 0x00007fbbc04d8b86 in gst_type_find_element_change_state (element=0x555d56fd40b0 [GstTypeFindElement], transition=GST_STATE_CHANGE_READY_TO_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/plugins/elements/gsttypefindelement.c:1362
#29 0x00007fbbc14262e9 in gst_element_change_state (element=0x555d56fd40b0 [GstTypeFindElement], transition=GST_STATE_CHANGE_READY_TO_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:3091
#30 0x00007fbbc1426073 in gst_element_set_state_func (element=0x555d56fd40b0 [GstTypeFindElement], state=GST_STATE_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:3045
#31 0x00007fbbc1425c6e in gst_element_set_state (element=0x555d56fd40b0 [GstTypeFindElement], state=GST_STATE_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:2946
#32 0x00007fbbc13f2324 in gst_bin_element_set_state (bin=0x555d56fc8290 [GstParseBin], element=0x555d56fd40b0 [GstTypeFindElement], base_time=0, start_time=0, current=GST_STATE_READY, next=GST_STATE_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstbin.c:2581
#33 0x00007fbbc13f3a75 in gst_bin_change_state_func (element=0x555d56fc8290 [GstParseBin], transition=GST_STATE_CHANGE_READY_TO_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstbin.c:2930
#34 0x00007fbbc054b460 in gst_parse_bin_change_state (element=0x555d56fc8290 [GstParseBin], transition=GST_STATE_CHANGE_READY_TO_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gst-plugins-base/gst/playback/gstparsebin.c:4391
#35 0x00007fbbc14262e9 in gst_element_change_state (element=0x555d56fc8290 [GstParseBin], transition=GST_STATE_CHANGE_READY_TO_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:3091
#36 0x00007fbbc142581d in gst_element_continue_state (element=0x555d56fc8290 [GstParseBin], ret=GST_STATE_CHANGE_SUCCESS) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:2799
#37 0x00007fbbc1426613 in gst_element_change_state (element=0x555d56fc8290 [GstParseBin], transition=GST_STATE_CHANGE_NULL_TO_READY) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:3130
#38 0x00007fbbc1426073 in gst_element_set_state_func (element=0x555d56fc8290 [GstParseBin], state=GST_STATE_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:3045
#39 0x00007fbbc1425c6e in gst_element_set_state (element=0x555d56fc8290 [GstParseBin], state=GST_STATE_PAUSED) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:2946
#40 0x00007fbbc1424b22 in gst_element_sync_state_with_parent (element=0x555d56fc8290 [GstParseBin]) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstelement.c:2471
#41 0x00007fbbc051bc98 in gst_decodebin3_reset_input (dbin=0x555d56fcc030 [GstDecodebin3], input=0x555d56fc0730) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gst-plugins-base/gst/playback/gstdecodebin3.c:866
#42 0x00007fbbc051c59e in sink_event_function (sinkpad=0x555d56fcc2d0 [GstGhostPad], dbin=0x555d56fcc030 [GstDecodebin3], event=0x7fbbb40ed030) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gst-plugins-base/gst/playback/gstdecodebin3.c:970
#43 0x00007fbbc145b1ff in gst_pad_send_event_unchecked (pad=0x555d56fcc2d0 [GstGhostPad], event=0x7fbbb40ed030, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:5938
#44 0x00007fbbc1459a2b in gst_pad_push_event_unchecked (pad=0x555d56fcd650 [GstGhostPad], event=0x7fbbb40ed030, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:5574
#45 0x00007fbbc1453170 in push_sticky (pad=0x555d56fcd650 [GstGhostPad], ev=0x7fbbbf0c50a0, user_data=0x7fbbbf0c50f0) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:4044
#46 0x00007fbbc1448689 in events_foreach (pad=0x555d56fcd650 [GstGhostPad], func=0x7fbbc1453057 <push_sticky>, user_data=0x7fbbbf0c50f0) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:605
#47 0x00007fbbc1453539 in check_sticky (pad=0x555d56fcd650 [GstGhostPad], event=0x7fbbb40ed030) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:4103
#48 0x00007fbbc145a296 in gst_pad_push_event (pad=0x555d56fcd650 [GstGhostPad], event=0x7fbbb40ed030) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:5705
#49 0x00007fbbc14508ec in event_forward_func (pad=0x555d56fcd650 [GstGhostPad], data=0x7fbbbf0c52b0) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:3122
#50 0x00007fbbc14506d6 in gst_pad_forward (pad=0x7fbbb40e00c0 [GstProxyPad], forward=0x7fbbc14507c1 <event_forward_func>, user_data=0x7fbbbf0c52b0) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:3076
#51 0x00007fbbc1450aab in gst_pad_event_default (pad=0x7fbbb40e00c0 [GstProxyPad], parent=0x555d56fcd650 [GstGhostPad], event=0x7fbbb40ed030) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:3173
#52 0x00007fbbc145b1ff in gst_pad_send_event_unchecked (pad=0x7fbbb40e00c0 [GstProxyPad], event=0x7fbbb40ed030, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:5938
#53 0x00007fbbc1459a2b in gst_pad_push_event_unchecked (pad=0x7fbba0040d30 [GstPad], event=0x7fbbb40ed030, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:5574
#54 0x00007fbbc1453170 in push_sticky (pad=0x7fbba0040d30 [GstPad], ev=0x7fbbbf0c54e0, user_data=0x7fbbbf0c5530) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:4044
#55 0x00007fbbc1448689 in events_foreach (pad=0x7fbba0040d30 [GstPad], func=0x7fbbc1453057 <push_sticky>, user_data=0x7fbbbf0c5530) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:605
#56 0x00007fbbc1453539 in check_sticky (pad=0x7fbba0040d30 [GstPad], event=0x7fbbb40ed110) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:4103
#57 0x00007fbbc145a296 in gst_pad_push_event (pad=0x7fbba0040d30 [GstPad], event=0x7fbbb40ed110) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gstpad.c:5705
#58 0x00007fbbc04d4d5c in gst_type_find_element_have_type (typefind=0x555d56fd4650 [GstTypeFindElement], probability=100, caps=0x7fbbb8004630) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/plugins/elements/gsttypefindelement.c:214
#59 0x00007fbbc0b7aff5 in () at /usr/lib/x86_64-linux-gnu/libffi.so.7
#60 0x00007fbbc0b7a40a in () at /usr/lib/x86_64-linux-gnu/libffi.so.7
#65 0x00007fbbc11290f3 in <emit signal ??? on instance 0x555d56fd4650 [GstTypeFindElement]> (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at ../../../gobject/gsignal.c:3555
#61 0x00007fbbc110a30d in g_cclosure_marshal_generic (closure=<optimized out>, return_gvalue=<optimized out>, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=<optimized out>) at ../../../gobject/gclosure.c:1500
#62 0x00007fbbc1109802 in g_closure_invoke (closure=0x555d56fd21a0, return_value=0x0, n_param_values=3, param_values=0x7fbbbf0c5a70, invocation_hint=0x7fbbbf0c59f0) at ../../../gobject/gclosure.c:810
#63 0x00007fbbc111cf96 in signal_emit_unlocked_R (node=node@entry=0x555d56fd30b0, detail=detail@entry=0, instance=instance@entry=0x555d56fd4650, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fbbbf0c5a70) at ../../../gobject/gsignal.c:3781
#64 0x00007fbbc1128bbe in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fbbbf0c5c50) at ../../../gobject/gsignal.c:3499
#66 0x00007fbbc04d4e24 in gst_type_find_element_emit_have_type (typefind=0x555d56fd4650 [GstTypeFindElement], probability=100, caps=0x7fbbb8004630) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/plugins/elements/gsttypefindelement.c:239
#67 0x00007fbbc04d83fd in gst_type_find_element_loop (pad=0x7fbba0040ae0 [GstPad]) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/plugins/elements/gsttypefindelement.c:1204
#68 0x00007fbbc14981f7 in gst_task_func (task=0x555d56fd8290 [GstTask]) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gsttask.c:384
#69 0x00007fbbc149966f in default_func (tdata=0x555d56fe5a80, pool=0x555d56fde6c0 [GstTaskPool]) at ../../../../../../../opt/source/GStreamer/gstreamer/subprojects/gstreamer/gst/gsttaskpool.c:70
#70 0x00007fbbc11d1374 in g_thread_pool_thread_proxy (data=<optimized out>) at ../../../glib/gthreadpool.c:354
#71 0x00007fbbc11d0ad1 in g_thread_proxy (data=0x7fbbb803fc60) at ../../../glib/gthread.c:807
#72 0x00007fbbc0cfb609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#73 0x00007fbbc0ed3133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
GST_DEBUG log: hang_play_three_files_2.log