[Bug 729321] playbin/subtitleoverlay: Deadlock when changing subtitle track while PAUSED

Thu May 1 03:28:40 PDT 2014

https://bugzilla.gnome.org/show_bug.cgi?id=729321
  GStreamer | gst-plugins-base | 1.x

--- Comment #1 from Thibault Saunier <tsaunier at gnome.org> 2014-05-01 10:28:33 UTC ---
I meant to paste the backtrace with all threads:

Thread 27 (Thread 0x7f936ac39700 (LWP 13018)):
#0  0x00007f936b6099dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f936bb43044 in g_main_context_poll (priority=2147483647, n_fds=1,
fds=0x7f93640008c0, timeout=-1, context=0x2504550) at gmain.c:4006
#2  g_main_context_iterate (context=context at entry=0x2504550,
block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at
gmain.c:3707
#3  0x00007f936bb4314c in g_main_context_iteration (context=0x2504550,
may_block=may_block at entry=1) at gmain.c:3773
#4  0x00007f936bb43199 in glib_worker_main (data=<optimized out>) at
gmain.c:5472
#5  0x00007f936bb67b35 in g_thread_proxy (data=0x24a4320) at gthread.c:798
#6  0x00007f936b8e5f33 in start_thread (arg=0x7f936ac39700) at
pthread_create.c:309
#7  0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 26 (Thread 0x7f936a1f2700 (LWP 13019)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f936bb82df7 in g_cond_wait (cond=cond at entry=0x25310b0,
mutex=mutex at entry=0x2531068) at gthread-posix.c:753
#2  0x00007f936ca26304 in gst_task_func (task=0x2531050) at gsttask.c:304
#3  0x00007f936bb684f6 in g_thread_pool_thread_proxy (data=<optimized out>) at
gthreadpool.c:309
#4  0x00007f936bb67b35 in g_thread_proxy (data=0x25088f0) at gthread.c:798
#5  0x00007f936b8e5f33 in start_thread (arg=0x7f936a1f2700) at
pthread_create.c:309
#6  0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 25 (Thread 0x7f9369178700 (LWP 13020)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f936bb82df7 in g_cond_wait (cond=cond at entry=0x2344e80,
mutex=mutex at entry=0x2344e58) at gthread-posix.c:753
#2  0x00007f936ccde0fa in gst_data_queue_push (queue=0x2344eb0,
item=item at entry=0x7f93600bd330) at gstdataqueue.c:518
#3  0x00007f936a2101de in gst_multi_queue_chain (pad=<optimized out>,
parent=<optimized out>, buffer=<optimized out>) at gstmultiqueue.c:1491
#4  0x00007f936e444eaf in gst_validate_pad_monitor_chain_func (pad=0x25234c0,
parent=0x7f9360019070, buffer=0x7f93603ccbf0) at
gst-validate-pad-monitor.c:1478
#5  0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f93603ccbf0,
type=4112, pad=0x25234c0) at gstpad.c:3822
#6  gst_pad_push_data (pad=0x2523290, type=type at entry=4112, data=<optimized
out>) at gstpad.c:4055
#7  0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>, buffer=<optimized
out>) at gstpad.c:4158
#8  0x00007f93695a7479 in gst_matroska_demux_parse_blockgroup_or_simpleblock
(demux=demux at entry=0x7f935c0f6050, ebml=ebml at entry=0x7f9369177ba0,
cluster_time=<optimized out>, is_simpleblock=is_simpleblock at entry=1,
cluster_offset=<optimized out>) at matroska-demux.c:3648
#9  0x00007f93695ae5fa in gst_matroska_demux_parse_id
(demux=demux at entry=0x7f935c0f6050, id=163, length=<optimized out>, needed=4) at
matroska-demux.c:4292
#10 0x00007f93695b348f in gst_matroska_demux_loop (pad=<optimized out>) at
matroska-demux.c:4453
#11 0x00007f936ca26159 in gst_task_func (task=0x25315f0) at gsttask.c:319
#12 0x00007f936bb684f6 in g_thread_pool_thread_proxy (data=<optimized out>) at
gthreadpool.c:309
#13 0x00007f936bb67b35 in g_thread_proxy (data=0x7f935c0efed0) at gthread.c:798
#14 0x00007f936b8e5f33 in start_thread (arg=0x7f9369178700) at
pthread_create.c:309
#15 0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 24 (Thread 0x7f9368977700 (LWP 13021)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f936bb82df7 in g_cond_wait (cond=cond at entry=0x7f93541f48e8,
mutex=mutex at entry=0x7f93541f48c0) at gthread-posix.c:753
#2  0x00007f936a215405 in gst_queue_chain (pad=<optimized out>,
parent=0x7f93541f4640, buffer=0x7f9354446220) at gstqueue.c:1014
#3  0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f935424d460, parent=0x7f93541f4640, buffer=0x7f9354446220) at
gst-validate-pad-monitor.c:1478
#4  0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9354446220,
type=4112, pad=0x7f935424d460) at gstpad.c:3822
#5  gst_pad_push_data (pad=pad at entry=0x7f935424aba0, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f9354446220) at gstpad.c:4055
#6  0x00007f936c9feab6 in gst_pad_push (pad=pad at entry=0x7f935424aba0,
buffer=buffer at entry=0x7f9354446220) at gstpad.c:4158
#7  0x00007f936c9e85bb in gst_proxy_pad_chain_default (pad=<optimized out>,
parent=<optimized out>, buffer=0x7f9354446220) at gstghostpad.c:128
#8  0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9354446220,
type=4112, pad=0x7f9354248a30) at gstpad.c:3822
#9  gst_pad_push_data (pad=pad at entry=0x7f93541e7840, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f9354446220) at gstpad.c:4055
#10 0x00007f936c9feab6 in gst_pad_push (pad=pad at entry=0x7f93541e7840,
buffer=buffer at entry=0x7f9354446220) at gstpad.c:4158
#11 0x00007f936c9e85bb in gst_proxy_pad_chain_default (pad=<optimized out>,
parent=<optimized out>, buffer=0x7f9354446220) at gstghostpad.c:128
#12 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9354446220,
type=<optimized out>, pad=0x7f93541e98f0) at gstpad.c:3822
#13 gst_pad_push_data (pad=0x7f9354201650, type=<optimized out>,
data=<optimized out>) at gstpad.c:4055
#14 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f9354201420, parent=0x7f9354235870, buffer=0x7f9354446220) at
gst-validate-pad-monitor.c:1478
#15 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9354446220,
type=4112, pad=0x7f9354201420) at gstpad.c:3822
#16 gst_pad_push_data (pad=0x7f93542011f0, type=type at entry=4112,
data=<optimized out>) at gstpad.c:4055
#17 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>, buffer=<optimized
out>) at gstpad.c:4158
#18 0x00007f936ccd2ea9 in gst_base_transform_chain (pad=<optimized out>,
parent=<optimized out>, buffer=<optimized out>) at gstbasetransform.c:2237
#19 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f9354200fc0, parent=0x7f935422f9e0, buffer=0x7f9354446220) at
gst-validate-pad-monitor.c:1478
#20 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9354446220,
type=4112, pad=0x7f9354200fc0) at gstpad.c:3822
#21 gst_pad_push_data (pad=pad at entry=0x7f93541e96b0, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f9354446220) at gstpad.c:4055
#22 0x00007f936c9feab6 in gst_pad_push (pad=pad at entry=0x7f93541e96b0,
buffer=buffer at entry=0x7f9354446220) at gstpad.c:4158
#23 0x00007f936c9e85bb in gst_proxy_pad_chain_default (pad=<optimized out>,
parent=<optimized out>, buffer=0x7f9354446220) at gstghostpad.c:128
#24 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9354446220,
type=4112, pad=0x7f93541e75e0) at gstpad.c:3822
#25 gst_pad_push_data (pad=pad at entry=0x7f9354200d90, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f9354446220) at gstpad.c:4055
#26 0x00007f936c9feab6 in gst_pad_push (pad=pad at entry=0x7f9354200d90,
buffer=buffer at entry=0x7f9354446220) at gstpad.c:4158
#27 0x00007f936ac77313 in gst_stream_synchronizer_sink_chain
(pad=0x7f935400dce0, parent=<optimized out>, buffer=0x7f9354446220) at
gststreamsynchronizer.c:577
#28 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f935400dce0, parent=0x24ef0a0, buffer=0x7f9354446220) at
gst-validate-pad-monitor.c:1478
#29 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9354446220,
type=4112, pad=0x7f935400dce0) at gstpad.c:3822
#30 gst_pad_push_data (pad=pad at entry=0x7f93541e8b70, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f9354446220) at gstpad.c:4055
#31 0x00007f936c9feab6 in gst_pad_push (pad=pad at entry=0x7f93541e8b70,
buffer=buffer at entry=0x7f9354446220) at gstpad.c:4158
#32 0x00007f936c9e85bb in gst_proxy_pad_chain_default (pad=<optimized out>,
parent=<optimized out>, buffer=0x7f9354446220) at gstghostpad.c:128
#33 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9354446220,
type=4112, pad=0x7f93541e6a00) at gstpad.c:3822
#34 gst_pad_push_data (pad=0x7f935400c700, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f9354446220) at gstpad.c:4055
#35 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>,
buffer=buffer at entry=0x7f9354446220) at gstpad.c:4158
#36 0x00007f936a20b999 in gst_selector_pad_chain (pad=0x7f93541dc040,
parent=<optimized out>, buf=0x7f9354446220) at gstinputselector.c:1093
#37 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f93541dc040, parent=0x7f93540b52a0, buffer=0x7f9354446220) at
gst-validate-pad-monitor.c:1478
#38 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9354446220,
type=4112, pad=0x7f93541dc040) at gstpad.c:3822
#39 gst_pad_push_data (pad=pad at entry=0x251aa20, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f9354446220) at gstpad.c:4055
#40 0x00007f936c9feab6 in gst_pad_push (pad=pad at entry=0x251aa20,
buffer=buffer at entry=0x7f9354446220) at gstpad.c:4158
#41 0x00007f936c9e85bb in gst_proxy_pad_chain_default (pad=<optimized out>,
parent=<optimized out>, buffer=0x7f9354446220) at gstghostpad.c:128
#42 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9354446220,
type=4112, pad=0x7f936006cde0) at gstpad.c:3822
#43 gst_pad_push_data (pad=pad at entry=0x7f935c0220f0, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f9354446220) at gstpad.c:4055
#44 0x00007f936c9feab6 in gst_pad_push (pad=pad at entry=0x7f935c0220f0,
buffer=buffer at entry=0x7f9354446220) at gstpad.c:4158
#45 0x00007f936c9e85bb in gst_proxy_pad_chain_default (pad=<optimized out>,
parent=<optimized out>, buffer=0x7f9354446220) at gstghostpad.c:128
#46 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9354446220,
type=4112, pad=0x252e960) at gstpad.c:3822
#47 gst_pad_push_data (pad=0x7f935400c4d0, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f9354446220) at gstpad.c:4055
#48 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>,
buffer=buffer at entry=0x7f9354446220) at gstpad.c:4158
#49 0x00007f936d19f22d in gst_video_decoder_clip_and_push_buf
(decoder=decoder at entry=0x7f9354050ba0, buf=buf at entry=0x7f9354446220) at
gstvideodecoder.c:2754
#50 0x00007f936d1a5ad4 in gst_video_decoder_finish_frame
(decoder=0x7f9354050ba0, frame=0x0, frame at entry=0x7f9354446110) at
gstvideodecoder.c:2666
#51 0x00007f93340c0b6e in gst_ffmpegviddec_video_frame
(ffmpegdec=ffmpegdec at entry=0x7f9354050ba0, data=<optimized out>,
data at entry=0x7f93541d6970 "", size=<optimized out>,
frame=frame at entry=0x7f93601fe990, ret=ret at entry=0x7f93689762cc) at
gstavviddec.c:1384
#52 0x00007f93340c1068 in gst_ffmpegviddec_frame
(ffmpegdec=ffmpegdec at entry=0x7f9354050ba0, data=data at entry=0x7f93541d6970 "",
size=size at entry=44, got_data=got_data at entry=0x7f93689762c8,
frame=frame at entry=0x7f93601fe990, ret=ret at entry=0x7f93689762cc) at
gstavviddec.c:1441
#53 0x00007f93340c16fc in gst_ffmpegviddec_handle_frame
(decoder=0x7f9354050ba0, frame=0x7f93601fe990) at gstavviddec.c:1564
#54 0x00007f936d19ea19 in gst_video_decoder_decode_frame
(decoder=decoder at entry=0x7f9354050ba0, frame=0x7f93601fe990) at
gstvideodecoder.c:2956
#55 0x00007f936d1a1473 in gst_video_decoder_chain_forward
(decoder=decoder at entry=0x7f9354050ba0, buf=buf at entry=0x7f9360008780,
at_eos=at_eos at entry=0) at gstvideodecoder.c:1829
#56 0x00007f936d1a30b8 in gst_video_decoder_chain (pad=<optimized out>,
parent=<optimized out>, buf=0x7f9360008780) at gstvideodecoder.c:2130
#57 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f935400c2a0, parent=0x7f9354050ba0, buffer=0x7f9360008780) at
gst-validate-pad-monitor.c:1478
#58 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9360008780,
type=4112, pad=0x7f935400c2a0) at gstpad.c:3822
#59 gst_pad_push_data (pad=0x7f9360022070, type=type at entry=4112,
data=<optimized out>) at gstpad.c:4055
#60 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>, buffer=<optimized
out>) at gstpad.c:4158
#61 0x00007f936ccd2ea9 in gst_base_transform_chain (pad=<optimized out>,
parent=<optimized out>, buffer=<optimized out>) at gstbasetransform.c:2237
#62 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func (pad=0x2523d80,
parent=0x7f936002a140, buffer=0x7f9360008780) at
gst-validate-pad-monitor.c:1478
#63 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9360008780,
type=4112, pad=0x2523d80) at gstpad.c:3822
#64 gst_pad_push_data (pad=0x2523b50, type=type at entry=4112, data=<optimized
out>, data at entry=0x7f9360008780) at gstpad.c:4055
#65 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>,
buffer=buffer at entry=0x7f9360008780) at gstpad.c:4158
#66 0x00007f936ccb4565 in gst_base_parse_push_frame
(parse=parse at entry=0x7f9360020790, frame=frame at entry=0x7f9368976a50) at
gstbaseparse.c:2300
#67 0x00007f936ccb5218 in gst_base_parse_chain (pad=<optimized out>,
parent=<optimized out>, buffer=0x7f9360008780) at gstbaseparse.c:2816
#68 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func (pad=0x2523920,
parent=0x7f9360020790, buffer=0x7f9360008780) at
gst-validate-pad-monitor.c:1478
#69 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9360008780,
type=4112, pad=0x2523920) at gstpad.c:3822
#70 gst_pad_push_data (pad=0x25236f0, type=type at entry=4112, data=<optimized
out>, data at entry=0x7f9360008780) at gstpad.c:4055
#71 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>,
buffer=buffer at entry=0x7f9360008780) at gstpad.c:4158
#72 0x00007f936a2116e8 in gst_single_queue_push_one (object=0x7f9360008780,
sq=0x7f936001a1b0, mq=0x7f9360019070) at gstmultiqueue.c:1121
#73 gst_multi_queue_loop (pad=<optimized out>) at gstmultiqueue.c:1370
#74 0x00007f936ca26159 in gst_task_func (task=0x2531b90) at gsttask.c:319
#75 0x00007f936bb684f6 in g_thread_pool_thread_proxy (data=<optimized out>) at
gthreadpool.c:309
#76 0x00007f936bb67b35 in g_thread_proxy (data=0x7f9360014400) at gthread.c:798
#77 0x00007f936b8e5f33 in start_thread (arg=0x7f9368977700) at
pthread_create.c:309
#78 0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 23 (Thread 0x7f935bb9b700 (LWP 13022)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f936bb82df7 in g_cond_wait (cond=cond at entry=0x7f93541f45f8,
mutex=mutex at entry=0x7f93541f45d0) at gthread-posix.c:753
#2  0x00007f936a215405 in gst_queue_chain (pad=<optimized out>,
parent=0x7f93541f4350, buffer=0x7f936000ee20) at gstqueue.c:1014
#3  0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f9354201880, parent=0x7f93541f4350, buffer=0x7f936000ee20) at
gst-validate-pad-monitor.c:1478
#4  0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f936000ee20,
type=4112, pad=0x7f9354201880) at gstpad.c:3822
#5  gst_pad_push_data (pad=pad at entry=0x7f935424a060, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f936000ee20) at gstpad.c:4055
#6  0x00007f936c9feab6 in gst_pad_push (pad=pad at entry=0x7f935424a060,
buffer=buffer at entry=0x7f936000ee20) at gstpad.c:4158
#7  0x00007f936c9e85bb in gst_proxy_pad_chain_default (pad=<optimized out>,
parent=<optimized out>, buffer=0x7f936000ee20) at gstghostpad.c:128
#8  0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f936000ee20,
type=4112, pad=0x7f93542480b0) at gstpad.c:3822
#9  gst_pad_push_data (pad=pad at entry=0x7f935424d230, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f936000ee20) at gstpad.c:4055
#10 0x00007f936c9feab6 in gst_pad_push (pad=pad at entry=0x7f935424d230,
buffer=buffer at entry=0x7f936000ee20) at gstpad.c:4158
#11 0x00007f936ac77313 in gst_stream_synchronizer_sink_chain
(pad=0x7f935424d000, parent=<optimized out>, buffer=0x7f936000ee20) at
gststreamsynchronizer.c:577
#12 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f935424d000, parent=0x24ef0a0, buffer=0x7f936000ee20) at
gst-validate-pad-monitor.c:1478
#13 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f936000ee20,
type=4112, pad=0x7f935424d000) at gstpad.c:3822
#14 gst_pad_push_data (pad=0x7f935424a290, type=type at entry=4112,
data=<optimized out>) at gstpad.c:4055
#15 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>, buffer=<optimized
out>) at gstpad.c:4158
#16 0x00007f936a2220b9 in gst_tee_handle_data (tee=tee at entry=0x7f93540b5690,
data=data at entry=0x7f936000ee20, is_list=is_list at entry=0) at gsttee.c:634
#17 0x00007f936a222273 in gst_tee_chain (pad=<optimized out>,
parent=0x7f93540b5690, buffer=0x7f936000ee20) at gsttee.c:735
#18 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f935400cd90, parent=0x7f93540b5690, buffer=0x7f936000ee20) at
gst-validate-pad-monitor.c:1478
#19 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f936000ee20,
type=4112, pad=0x7f935400cd90) at gstpad.c:3822
#20 gst_pad_push_data (pad=pad at entry=0x7f93541e8930, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f936000ee20) at gstpad.c:4055
#21 0x00007f936c9feab6 in gst_pad_push (pad=pad at entry=0x7f93541e8930,
buffer=buffer at entry=0x7f936000ee20) at gstpad.c:4158
#22 0x00007f936c9e85bb in gst_proxy_pad_chain_default (pad=<optimized out>,
parent=<optimized out>, buffer=0x7f936000ee20) at gstghostpad.c:128
#23 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f936000ee20,
type=4112, pad=0x7f93541e67a0) at gstpad.c:3822
#24 gst_pad_push_data (pad=0x7f935400c930, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f936000ee20) at gstpad.c:4055
#25 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>,
buffer=buffer at entry=0x7f936000ee20) at gstpad.c:4158
#26 0x00007f936a20b999 in gst_selector_pad_chain (pad=0x7f93541dc320,
parent=<optimized out>, buf=0x7f936000ee20) at gstinputselector.c:1093
#27 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f93541dc320, parent=0x7f93540b53f0, buffer=0x7f936000ee20) at
gst-validate-pad-monitor.c:1478
#28 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f936000ee20,
type=4112, pad=0x7f93541dc320) at gstpad.c:3822
#29 gst_pad_push_data (pad=pad at entry=0x251ac80, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f936000ee20) at gstpad.c:4055
#30 0x00007f936c9feab6 in gst_pad_push (pad=pad at entry=0x251ac80,
buffer=buffer at entry=0x7f936000ee20) at gstpad.c:4158
#31 0x00007f936c9e85bb in gst_proxy_pad_chain_default (pad=<optimized out>,
parent=<optimized out>, buffer=0x7f936000ee20) at gstghostpad.c:128
#32 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f936000ee20,
type=4112, pad=0x7f936006d020) at gstpad.c:3822
#33 gst_pad_push_data (pad=pad at entry=0x7f935c022af0, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f936000ee20) at gstpad.c:4055
#34 0x00007f936c9feab6 in gst_pad_push (pad=pad at entry=0x7f935c022af0,
buffer=buffer at entry=0x7f936000ee20) at gstpad.c:4158
#35 0x00007f936c9e85bb in gst_proxy_pad_chain_default (pad=<optimized out>,
parent=<optimized out>, buffer=0x7f936000ee20) at gstghostpad.c:128
#36 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f936000ee20,
type=4112, pad=0x252f260) at gstpad.c:3822
#37 gst_pad_push_data (pad=0x7f9360077860, type=type at entry=4112,
data=<optimized out>) at gstpad.c:4055
#38 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>, buffer=<optimized
out>) at gstpad.c:4158
#39 0x00007f936d831dfc in gst_audio_decoder_push_forward
(dec=dec at entry=0x7f934c01ad90, buf=0x7f936000ee20) at gstaudiodecoder.c:965
#40 0x00007f936d8320e6 in gst_audio_decoder_output
(dec=dec at entry=0x7f934c01ad90, buf=<optimized out>, buf at entry=0x7f936000ee20)
at gstaudiodecoder.c:1041
#41 0x00007f936d837401 in gst_audio_decoder_finish_frame
(dec=dec at entry=0x7f934c01ad90, buf=buf at entry=0x7f936000ee20, frames=<optimized
out>, frames at entry=1) at gstaudiodecoder.c:1268
#42 0x00007f935006d480 in gst_a52dec_handle_frame (bdec=0x7f934c01ad90,
buffer=<optimized out>) at gsta52dec.c:640
#43 0x00007f936d832b67 in gst_audio_decoder_push_buffers
(dec=dec at entry=0x7f934c01ad90, force=force at entry=0) at gstaudiodecoder.c:1413
#44 0x00007f936d832feb in gst_audio_decoder_chain_forward
(dec=dec at entry=0x7f934c01ad90, buffer=0x0, buffer at entry=0x7f93600058c0) at
gstaudiodecoder.c:1516
#45 0x00007f936d835874 in gst_audio_decoder_chain (pad=<optimized out>,
parent=<optimized out>, buffer=0x7f93600058c0) at gstaudiodecoder.c:1795
#46 0x00007f935006cc09 in gst_a52dec_chain (pad=0x7f9360077cc0,
parent=0x7f934c01ad90, buf=0x7f93600058c0) at gsta52dec.c:734
#47 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f9360077cc0, parent=0x7f934c01ad90, buffer=0x7f93600058c0) at
gst-validate-pad-monitor.c:1478
#48 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f93600058c0,
type=4112, pad=0x7f9360077cc0) at gstpad.c:3822
#49 gst_pad_push_data (pad=0x7f9360022fc0, type=type at entry=4112,
data=<optimized out>) at gstpad.c:4055
#50 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>, buffer=<optimized
out>) at gstpad.c:4158
#51 0x00007f936ccd2ea9 in gst_base_transform_chain (pad=<optimized out>,
parent=<optimized out>, buffer=<optimized out>) at gstbasetransform.c:2237
#52 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f9360022d90, parent=0x7f936002a460, buffer=0x7f93600058c0) at
gst-validate-pad-monitor.c:1478
#53 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f93600058c0,
type=4112, pad=0x7f9360022d90) at gstpad.c:3822
#54 gst_pad_push_data (pad=0x7f9360022930, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f93600058c0) at gstpad.c:4055
#55 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>,
buffer=buffer at entry=0x7f93600058c0) at gstpad.c:4158
#56 0x00007f936ccb4565 in gst_base_parse_push_frame
(parse=parse at entry=0x7f936001ba30, frame=frame at entry=0x7f936002f630) at
gstbaseparse.c:2300
#57 0x00007f936ccb7f23 in gst_base_parse_handle_and_push_frame
(frame=0x7f936002f630, parse=0x7f936001ba30) at gstbaseparse.c:2132
#58 gst_base_parse_finish_frame (parse=parse at entry=0x7f936001ba30,
frame=frame at entry=0x7f936002f630, size=size at entry=2560) at gstbaseparse.c:2454
#59 0x00007f9352696939 in gst_ac3_parse_handle_frame (parse=<optimized out>,
frame=0x7f936002f630, skipsize=<optimized out>) at gstac3parse.c:669
#60 0x00007f936ccb1e14 in gst_base_parse_handle_buffer
(parse=parse at entry=0x7f936001ba30, buffer=<optimized out>,
skip=skip at entry=0x7f935bb9aaec, flushed=flushed at entry=0x7f935bb9aaf0) at
gstbaseparse.c:1959
#61 0x00007f936ccb5452 in gst_base_parse_chain (pad=<optimized out>,
parent=<optimized out>, buffer=<optimized out>) at gstbaseparse.c:2891
#62 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f93600058c0,
type=4112, pad=0x7f9360022b60) at gstpad.c:3822
#63 gst_pad_push_data (pad=0x7f9360022700, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f93600058c0) at gstpad.c:4055
#64 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>,
buffer=buffer at entry=0x7f93600058c0) at gstpad.c:4158
#65 0x00007f936a2116e8 in gst_single_queue_push_one (object=0x7f93600058c0,
sq=0x7f936002ebb0, mq=0x7f9360019070) at gstmultiqueue.c:1121
#66 gst_multi_queue_loop (pad=<optimized out>) at gstmultiqueue.c:1370
#67 0x00007f936ca26159 in gst_task_func (task=0x2531cb0) at gsttask.c:319
#68 0x00007f936bb684f6 in g_thread_pool_thread_proxy (data=<optimized out>) at
gthreadpool.c:309
#69 0x00007f936bb67b35 in g_thread_proxy (data=0x7f9360014140) at gthread.c:798
#70 0x00007f936b8e5f33 in start_thread (arg=0x7f935bb9b700) at
pthread_create.c:309
#71 0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 22 (Thread 0x7f93537af700 (LWP 13025)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f936bb82df7 in g_cond_wait (cond=cond at entry=0x7f936001b048,
mutex=mutex at entry=0x7f936001b038) at gthread-posix.c:753
#2  0x00007f936ccdcf52 in _gst_data_queue_wait_non_empty
(queue=queue at entry=0x7f936001b090) at gstdataqueue.c:551
#3  0x00007f936ccde696 in gst_data_queue_pop (queue=0x7f936001b090,
item=item at entry=0x7f93537aecf8) at gstdataqueue.c:593
#4  0x00007f936a210d84 in gst_multi_queue_loop (pad=<optimized out>) at
gstmultiqueue.c:1250
#5  0x00007f936ca26159 in gst_task_func (task=0x2531dd0) at gsttask.c:319
#6  0x00007f936bb684f6 in g_thread_pool_thread_proxy (data=<optimized out>) at
gthreadpool.c:309
#7  0x00007f936bb67b35 in g_thread_proxy (data=0x7f936002f590) at gthread.c:798
#8  0x00007f936b8e5f33 in start_thread (arg=0x7f93537af700) at
pthread_create.c:309
#9  0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 21 (Thread 0x7f935268b700 (LWP 13026)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f936bb82df7 in g_cond_wait (cond=cond at entry=0x7f936001b108,
mutex=mutex at entry=0x7f936001b0f8) at gthread-posix.c:753
#2  0x00007f936ccdcf52 in _gst_data_queue_wait_non_empty
(queue=queue at entry=0x7f936001b150) at gstdataqueue.c:551
#3  0x00007f936ccde696 in gst_data_queue_pop (queue=0x7f936001b150,
item=item at entry=0x7f935268acf8) at gstdataqueue.c:593
#4  0x00007f936a210d84 in gst_multi_queue_loop (pad=<optimized out>) at
gstmultiqueue.c:1250
#5  0x00007f936ca26159 in gst_task_func (task=0x2531ef0) at gsttask.c:319
#6  0x00007f936bb684f6 in g_thread_pool_thread_proxy (data=<optimized out>) at
gthreadpool.c:309
#7  0x00007f936bb67b35 in g_thread_proxy (data=0x7f936002f4a0) at gthread.c:798
#8  0x00007f936b8e5f33 in start_thread (arg=0x7f935268b700) at
pthread_create.c:309
#9  0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 20 (Thread 0x7f9351e8a700 (LWP 13027)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f936bb82df7 in g_cond_wait (cond=cond at entry=0x7f936001b1c8,
mutex=mutex at entry=0x7f936001b1b8) at gthread-posix.c:753
#2  0x00007f936ccdcf52 in _gst_data_queue_wait_non_empty
(queue=queue at entry=0x7f936001b210) at gstdataqueue.c:551
#3  0x00007f936ccde696 in gst_data_queue_pop (queue=0x7f936001b210,
item=item at entry=0x7f9351e89cf8) at gstdataqueue.c:593
#4  0x00007f936a210d84 in gst_multi_queue_loop (pad=<optimized out>) at
gstmultiqueue.c:1250
#5  0x00007f936ca26159 in gst_task_func (task=0x7f936001d050) at gsttask.c:319
#6  0x00007f936bb684f6 in g_thread_pool_thread_proxy (data=<optimized out>) at
gthreadpool.c:309
#7  0x00007f936bb67b35 in g_thread_proxy (data=0x7f9360065050) at gthread.c:798
#8  0x00007f936b8e5f33 in start_thread (arg=0x7f9351e8a700) at
pthread_create.c:309
#9  0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 19 (Thread 0x7f9351689700 (LWP 13028)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f936bb82df7 in g_cond_wait (cond=cond at entry=0x7f936001b288,
mutex=mutex at entry=0x7f936001b278) at gthread-posix.c:753
#2  0x00007f936ccdcf52 in _gst_data_queue_wait_non_empty
(queue=queue at entry=0x7f936001b2d0) at gstdataqueue.c:551
#3  0x00007f936ccde696 in gst_data_queue_pop (queue=0x7f936001b2d0,
item=item at entry=0x7f9351688cf8) at gstdataqueue.c:593
#4  0x00007f936a210d84 in gst_multi_queue_loop (pad=<optimized out>) at
gstmultiqueue.c:1250
#5  0x00007f936ca26159 in gst_task_func (task=0x7f936001d170) at gsttask.c:319
#6  0x00007f936bb684f6 in g_thread_pool_thread_proxy (data=<optimized out>) at
gthreadpool.c:309
#7  0x00007f936bb67b35 in g_thread_proxy (data=0x7f9360065320) at gthread.c:798
#8  0x00007f936b8e5f33 in start_thread (arg=0x7f9351689700) at
pthread_create.c:309
#9  0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 18 (Thread 0x7f9350e88700 (LWP 13029)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f936bb82df7 in g_cond_wait (cond=cond at entry=0x7f936001b348,
mutex=mutex at entry=0x7f936001b338) at gthread-posix.c:753
#2  0x00007f936ccdcf52 in _gst_data_queue_wait_non_empty
(queue=queue at entry=0x7f936001b390) at gstdataqueue.c:551
#3  0x00007f936ccde696 in gst_data_queue_pop (queue=0x7f936001b390,
item=item at entry=0x7f9350e87cf8) at gstdataqueue.c:593
#4  0x00007f936a210d84 in gst_multi_queue_loop (pad=<optimized out>) at
gstmultiqueue.c:1250
#5  0x00007f936ca26159 in gst_task_func (task=0x7f936001d290) at gsttask.c:319
#6  0x00007f936bb684f6 in g_thread_pool_thread_proxy (data=<optimized out>) at
gthreadpool.c:309
#7  0x00007f936bb67b35 in g_thread_proxy (data=0x7f9360031370) at gthread.c:798
#8  0x00007f936b8e5f33 in start_thread (arg=0x7f9350e88700) at
pthread_create.c:309
#9  0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 17 (Thread 0x7f9337fff700 (LWP 13030)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f936bb82df7 in g_cond_wait (cond=cond at entry=0x7f936001b408,
mutex=mutex at entry=0x7f936001b3f8) at gthread-posix.c:753
#2  0x00007f936ccdcf52 in _gst_data_queue_wait_non_empty
(queue=queue at entry=0x7f936001b450) at gstdataqueue.c:551
#3  0x00007f936ccde696 in gst_data_queue_pop (queue=0x7f936001b450,
item=item at entry=0x7f9337ffecf8) at gstdataqueue.c:593
#4  0x00007f936a210d84 in gst_multi_queue_loop (pad=<optimized out>) at
gstmultiqueue.c:1250
#5  0x00007f936ca26159 in gst_task_func (task=0x7f936001d3b0) at gsttask.c:319
#6  0x00007f936bb684f6 in g_thread_pool_thread_proxy (data=<optimized out>) at
gthreadpool.c:309
#7  0x00007f936bb67b35 in g_thread_proxy (data=0x7f9360071320) at gthread.c:798
#8  0x00007f936b8e5f33 in start_thread (arg=0x7f9337fff700) at
pthread_create.c:309
#9  0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 16 (Thread 0x7f93377fe700 (LWP 13031)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f936bb82df7 in g_cond_wait (cond=cond at entry=0x7f936001b4c8,
mutex=mutex at entry=0x7f936001b4b8) at gthread-posix.c:753
#2  0x00007f936ccdcf52 in _gst_data_queue_wait_non_empty
(queue=queue at entry=0x7f936001b510) at gstdataqueue.c:551
#3  0x00007f936ccde696 in gst_data_queue_pop (queue=0x7f936001b510,
item=item at entry=0x7f93377fdcf8) at gstdataqueue.c:593
#4  0x00007f936a210d84 in gst_multi_queue_loop (pad=<optimized out>) at
gstmultiqueue.c:1250
#5  0x00007f936ca26159 in gst_task_func (task=0x7f936001d4d0) at gsttask.c:319
#6  0x00007f936bb684f6 in g_thread_pool_thread_proxy (data=<optimized out>) at
gthreadpool.c:309
#7  0x00007f936bb67b35 in g_thread_proxy (data=0x7f9360071450) at gthread.c:798
#8  0x00007f936b8e5f33 in start_thread (arg=0x7f93377fe700) at
pthread_create.c:309
#9  0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 15 (Thread 0x7f9336ffd700 (LWP 13032)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f936bb82df7 in g_cond_wait (cond=cond at entry=0x7f936001b588,
mutex=mutex at entry=0x7f936001b578) at gthread-posix.c:753
#2  0x00007f936ccdcf52 in _gst_data_queue_wait_non_empty
(queue=queue at entry=0x7f936001b5d0) at gstdataqueue.c:551
#3  0x00007f936ccde696 in gst_data_queue_pop (queue=0x7f936001b5d0,
item=item at entry=0x7f9336ffccf8) at gstdataqueue.c:593
#4  0x00007f936a210d84 in gst_multi_queue_loop (pad=<optimized out>) at
gstmultiqueue.c:1250
#5  0x00007f936ca26159 in gst_task_func (task=0x7f936001d5f0) at gsttask.c:319
#6  0x00007f936bb684f6 in g_thread_pool_thread_proxy (data=<optimized out>) at
gthreadpool.c:309
#7  0x00007f936bb67b35 in g_thread_proxy (data=0x7f9360071680) at gthread.c:798
#8  0x00007f936b8e5f33 in start_thread (arg=0x7f9336ffd700) at
pthread_create.c:309
#9  0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 14 (Thread 0x7f93367fc700 (LWP 13033)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f936bb82df7 in g_cond_wait (cond=cond at entry=0x7f936001b648,
mutex=mutex at entry=0x7f936001b638) at gthread-posix.c:753
#2  0x00007f936ccdcf52 in _gst_data_queue_wait_non_empty
(queue=queue at entry=0x7f936001b690) at gstdataqueue.c:551
#3  0x00007f936ccde696 in gst_data_queue_pop (queue=0x7f936001b690,
item=item at entry=0x7f93367fbcf8) at gstdataqueue.c:593
#4  0x00007f936a210d84 in gst_multi_queue_loop (pad=<optimized out>) at
gstmultiqueue.c:1250
#5  0x00007f936ca26159 in gst_task_func (task=0x7f936001d710) at gsttask.c:319
#6  0x00007f936bb684f6 in g_thread_pool_thread_proxy (data=<optimized out>) at
gthreadpool.c:309
#7  0x00007f936bb67b35 in g_thread_proxy (data=0x7f936007e230) at gthread.c:798
#8  0x00007f936b8e5f33 in start_thread (arg=0x7f93367fc700) at
pthread_create.c:309
#9  0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 13 (Thread 0x7f9335ffb700 (LWP 13034)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f936bb82df7 in g_cond_wait (cond=cond at entry=0x7f936001b708,
mutex=mutex at entry=0x7f936001b6f8) at gthread-posix.c:753
#2  0x00007f936ccdcf52 in _gst_data_queue_wait_non_empty
(queue=queue at entry=0x7f936001b750) at gstdataqueue.c:551
#3  0x00007f936ccde696 in gst_data_queue_pop (queue=0x7f936001b750,
item=item at entry=0x7f9335ffacf8) at gstdataqueue.c:593
#4  0x00007f936a210d84 in gst_multi_queue_loop (pad=<optimized out>) at
gstmultiqueue.c:1250
#5  0x00007f936ca26159 in gst_task_func (task=0x7f936001d830) at gsttask.c:319
#6  0x00007f936bb684f6 in g_thread_pool_thread_proxy (data=<optimized out>) at
gthreadpool.c:309
#7  0x00007f936bb67b35 in g_thread_proxy (data=0x7f936007e2d0) at gthread.c:798
#8  0x00007f936b8e5f33 in start_thread (arg=0x7f9335ffb700) at
pthread_create.c:309
#9  0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 12 (Thread 0x7f93357fa700 (LWP 13036)):
#0  0x00007f936b8ecfbd in nanosleep () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f936bb690d8 in g_usleep (microseconds=microseconds at entry=50000) at
gtimer.c:261
#2  0x00007f935047dc4f in gst_xvimagesink_event_thread
(xvimagesink=0x7f935400ba10) at xvimagesink.c:582
#3  0x00007f936bb67b35 in g_thread_proxy (data=0x7f93600a2720) at gthread.c:798
#4  0x00007f936b8e5f33 in start_thread (arg=0x7f93357fa700) at
pthread_create.c:309
#5  0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 11 (Thread 0x7f931ffff700 (LWP 13038)):
#0  0x00007f936b6099dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f935af64b91 in poll_func () from /lib64/libpulse.so.0
#2  0x00007f935af55dec in pa_mainloop_poll () from /lib64/libpulse.so.0
#3  0x00007f935af5647e in pa_mainloop_iterate () from /lib64/libpulse.so.0
#4  0x00007f935af56530 in pa_mainloop_run () from /lib64/libpulse.so.0
#5  0x00007f935af64b26 in thread () from /lib64/libpulse.so.0
#6  0x00007f935ab03bd8 in internal_thread_func () from
/usr/lib64/pulseaudio/libpulsecommon-4.0.so
#7  0x00007f936b8e5f33 in start_thread (arg=0x7f931ffff700) at
pthread_create.c:309
#8  0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (Thread 0x7f931f5ec700 (LWP 13039)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f93343a41fd in frame_worker_thread (arg=0x7f93540b6000) at
libavcodec/pthread_frame.c:133
#2  0x00007f936b8e5f33 in start_thread (arg=0x7f931f5ec700) at
pthread_create.c:309
#3  0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (Thread 0x7f931edeb700 (LWP 13040)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f93343a41fd in frame_worker_thread (arg=0x7f93540b61a8) at
libavcodec/pthread_frame.c:133
#2  0x00007f936b8e5f33 in start_thread (arg=0x7f931edeb700) at
pthread_create.c:309
#3  0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7f931e5ea700 (LWP 13041)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f93343a41fd in frame_worker_thread (arg=0x7f93540b6350) at
libavcodec/pthread_frame.c:133
#2  0x00007f936b8e5f33 in start_thread (arg=0x7f931e5ea700) at
pthread_create.c:309
#3  0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (Thread 0x7f931dde9700 (LWP 13042)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f93343a41fd in frame_worker_thread (arg=0x7f93540b64f8) at
libavcodec/pthread_frame.c:133
#2  0x00007f936b8e5f33 in start_thread (arg=0x7f931dde9700) at
pthread_create.c:309
#3  0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7f931cd67700 (LWP 13043)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f936bb82df7 in g_cond_wait (cond=cond at entry=0x7f935400bb40,
mutex=mutex at entry=0x7f935400bb38) at gthread-posix.c:753
#2  0x00007f936ccc1fc8 in gst_base_sink_wait_preroll
(sink=sink at entry=0x7f935400ba10) at gstbasesink.c:2153
#3  0x00007f936ccc2409 in gst_base_sink_do_preroll
(sink=sink at entry=0x7f935400ba10, obj=obj at entry=0x7f9354278370) at
gstbasesink.c:2243
#4  0x00007f936ccc2c5b in gst_base_sink_do_sync
(basesink=basesink at entry=0x7f935400ba10, obj=obj at entry=0x7f9354278370,
late=late at entry=0x7f931cd66158, step_end=step_end at entry=0x7f931cd6615c) at
gstbasesink.c:2445
#5  0x00007f936ccc3e16 in gst_base_sink_chain_unlocked
(basesink=basesink at entry=0x7f935400ba10, obj=obj at entry=0x7f9354278370,
is_list=is_list at entry=0, pad=<optimized out>) at gstbasesink.c:3380
#6  0x00007f936ccc5944 in gst_base_sink_chain_main (basesink=0x7f935400ba10,
pad=<optimized out>, obj=0x7f9354278370, is_list=0) at gstbasesink.c:3525
#7  0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f935400c070, parent=0x7f935400ba10, buffer=0x7f9354278370) at
gst-validate-pad-monitor.c:1478
#8  0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9354278370,
type=4112, pad=0x7f935400c070) at gstpad.c:3822
#9  gst_pad_push_data (pad=pad at entry=0x7f93541e7120, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f9354278370) at gstpad.c:4055
#10 0x00007f936c9feab6 in gst_pad_push (pad=pad at entry=0x7f93541e7120,
buffer=buffer at entry=0x7f9354278370) at gstpad.c:4158
#11 0x00007f936c9e85bb in gst_proxy_pad_chain_default (pad=<optimized out>,
parent=<optimized out>, buffer=0x7f9354278370) at gstghostpad.c:128
#12 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9354278370,
type=4112, pad=0x7f93541e9230) at gstpad.c:3822
#13 gst_pad_push_data (pad=0x7f9354200070, type=type at entry=4112,
data=<optimized out>) at gstpad.c:4055
#14 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>, buffer=<optimized
out>) at gstpad.c:4158
#15 0x00007f936ccd2ea9 in gst_base_transform_chain (pad=<optimized out>,
parent=<optimized out>, buffer=<optimized out>) at gstbasetransform.c:2237
#16 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f93542002a0, parent=0x7f935422cdb0, buffer=0x7f9354278370) at
gst-validate-pad-monitor.c:1478
#17 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9354278370,
type=4112, pad=0x7f93542002a0) at gstpad.c:3822
#18 gst_pad_push_data (pad=0x7f935400dab0, type=type at entry=4112,
data=<optimized out>) at gstpad.c:4055
#19 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>, buffer=<optimized
out>) at gstpad.c:4158
#20 0x00007f936ccd2ea9 in gst_base_transform_chain (pad=<optimized out>,
parent=<optimized out>, buffer=<optimized out>) at gstbasetransform.c:2237
#21 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f935400d880, parent=0x7f93541fe0e0, buffer=0x7f9354278370) at
gst-validate-pad-monitor.c:1478
#22 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9354278370,
type=4112, pad=0x7f935400d880) at gstpad.c:3822
#23 gst_pad_push_data (pad=0x7f93542004d0, type=type at entry=4112,
data=<optimized out>) at gstpad.c:4055
#24 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>, buffer=<optimized
out>) at gstpad.c:4158
#25 0x00007f936ccd2ea9 in gst_base_transform_chain (pad=<optimized out>,
parent=<optimized out>, buffer=<optimized out>) at gstbasetransform.c:2237
#26 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f9354200b60, parent=0x7f935422abb0, buffer=0x7f9354278370) at
gst-validate-pad-monitor.c:1478
#27 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9354278370,
type=4112, pad=0x7f9354200b60) at gstpad.c:3822
#28 gst_pad_push_data (pad=0x7f9354200930, type=type at entry=4112,
data=<optimized out>) at gstpad.c:4055
#29 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>, buffer=<optimized
out>) at gstpad.c:4158
#30 0x00007f936ccd2ea9 in gst_base_transform_chain (pad=<optimized out>,
parent=<optimized out>, buffer=<optimized out>) at gstbasetransform.c:2237
#31 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f9354200700, parent=0x7f93542279a0, buffer=0x7f9354278370) at
gst-validate-pad-monitor.c:1478
#32 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9354278370,
type=4112, pad=0x7f9354200700) at gstpad.c:3822
#33 gst_pad_push_data (pad=pad at entry=0x7f93541e8ff0, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f9354278370) at gstpad.c:4055
#34 0x00007f936c9feab6 in gst_pad_push (pad=pad at entry=0x7f93541e8ff0,
buffer=buffer at entry=0x7f9354278370) at gstpad.c:4158
#35 0x00007f936c9e85bb in gst_proxy_pad_chain_default (pad=<optimized out>,
parent=<optimized out>, buffer=0x7f9354278370) at gstghostpad.c:128
#36 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f9354278370,
type=4112, pad=0x7f93541e6ec0) at gstpad.c:3822
#37 gst_pad_push_data (pad=0x7f935400d1f0, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f9354278370) at gstpad.c:4055
#38 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>,
buffer=buffer at entry=0x7f9354278370) at gstpad.c:4158
#39 0x00007f936a2149a2 in gst_queue_push_one (queue=0x7f93541f4060) at
gstqueue.c:1118
#40 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1247
#41 0x00007f936ca26159 in gst_task_func (task=0x7f936001dcb0) at gsttask.c:319
#42 0x00007f936bb684f6 in g_thread_pool_thread_proxy (data=<optimized out>) at
gthreadpool.c:309
#43 0x00007f936bb67b35 in g_thread_proxy (data=0x7f935422c770) at gthread.c:798
#44 0x00007f936b8e5f33 in start_thread (arg=0x7f931cd67700) at
pthread_create.c:309
#45 0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7f9313be4700 (LWP 13044)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f936bb82df7 in g_cond_wait (cond=cond at entry=0x7f934c004b80,
mutex=mutex at entry=0x7f934c004b78) at gthread-posix.c:753
#2  0x00007f936ccc1fc8 in gst_base_sink_wait_preroll
(sink=sink at entry=0x7f934c004a50) at gstbasesink.c:2153
#3  0x00007f936d84272a in gst_audio_base_sink_render (bsink=0x7f934c004a50,
buf=0x7f93540064b0) at gstaudiobasesink.c:1942
#4  0x00007f936ccc43ca in gst_base_sink_chain_unlocked
(basesink=basesink at entry=0x7f934c004a50, obj=obj at entry=0x7f93540064b0,
is_list=is_list at entry=0, pad=<optimized out>) at gstbasesink.c:3417
#5  0x00007f936ccc5944 in gst_base_sink_chain_main (basesink=0x7f934c004a50,
pad=<optimized out>, obj=0x7f93540064b0, is_list=0) at gstbasesink.c:3525
#6  0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f9360077a90, parent=0x7f934c004a50, buffer=0x7f93540064b0) at
gst-validate-pad-monitor.c:1478
#7  0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f93540064b0,
type=4112, pad=0x7f9360077a90) at gstpad.c:3822
#8  gst_pad_push_data (pad=pad at entry=0x7f93541e7d00, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f93540064b0) at gstpad.c:4055
#9  0x00007f936c9feab6 in gst_pad_push (pad=pad at entry=0x7f93541e7d00,
buffer=buffer at entry=0x7f93540064b0) at gstpad.c:4158
#10 0x00007f936c9e85bb in gst_proxy_pad_chain_default (pad=<optimized out>,
parent=<optimized out>, buffer=0x7f93540064b0) at gstghostpad.c:128
#11 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f93540064b0,
type=4112, pad=0x7f93541e9d70) at gstpad.c:3822
#12 gst_pad_push_data (pad=0x7f935424cdd0, type=type at entry=4112,
data=<optimized out>) at gstpad.c:4055
#13 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>, buffer=<optimized
out>) at gstpad.c:4158
#14 0x00007f936ccd2ea9 in gst_base_transform_chain (pad=<optimized out>,
parent=<optimized out>, buffer=<optimized out>) at gstbasetransform.c:2237
#15 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f935424cba0, parent=0x7f9354254350, buffer=0x7f93540064b0) at
gst-validate-pad-monitor.c:1478
#16 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f93540064b0,
type=4112, pad=0x7f935424cba0) at gstpad.c:3822
#17 gst_pad_push_data (pad=0x7f935424c970, type=type at entry=4112,
data=<optimized out>) at gstpad.c:4055
#18 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>, buffer=<optimized
out>) at gstpad.c:4158
#19 0x00007f936ccd2ea9 in gst_base_transform_chain (pad=<optimized out>,
parent=<optimized out>, buffer=<optimized out>) at gstbasetransform.c:2237
#20 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f935424c740, parent=0x7f9354250ce0, buffer=0x7f93540064b0) at
gst-validate-pad-monitor.c:1478
#21 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f93540064b0,
type=4112, pad=0x7f935424c740) at gstpad.c:3822
#22 gst_pad_push_data (pad=pad at entry=0x7f93541e9b30, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f93540064b0) at gstpad.c:4055
#23 0x00007f936c9feab6 in gst_pad_push (pad=pad at entry=0x7f93541e9b30,
buffer=buffer at entry=0x7f93540064b0) at gstpad.c:4158
#24 0x00007f936c9e85bb in gst_proxy_pad_chain_default (pad=<optimized out>,
parent=<optimized out>, buffer=0x7f93540064b0) at gstghostpad.c:128
#25 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f93540064b0,
type=4112, pad=0x7f93541e7aa0) at gstpad.c:3822
#26 gst_pad_push_data (pad=0x7f9354201ab0, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f93540064b0) at gstpad.c:4055
#27 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>,
buffer=buffer at entry=0x7f93540064b0) at gstpad.c:4158
#28 0x00007f936a2149a2 in gst_queue_push_one (queue=0x7f93541f4350) at
gstqueue.c:1118
#29 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1247
#30 0x00007f936ca26159 in gst_task_func (task=0x7f936001ddd0) at gsttask.c:319
#31 0x00007f936bb684f6 in g_thread_pool_thread_proxy (data=<optimized out>) at
gthreadpool.c:309
#32 0x00007f936bb67b35 in g_thread_proxy (data=0x7f935422cad0) at gthread.c:798
#33 0x00007f936b8e5f33 in start_thread (arg=0x7f9313be4700) at
pthread_create.c:309
#34 0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7f93133e3700 (LWP 13045)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f936bb82df7 in g_cond_wait (cond=cond at entry=0x7f93541f4308,
mutex=mutex at entry=0x7f93541f42e0) at gthread-posix.c:753
#2  0x00007f936a215405 in gst_queue_chain (pad=<optimized out>,
parent=0x7f93541f4060, buffer=0x7f93601ab2c0) at gstqueue.c:1014
#3  0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f935400cfc0, parent=0x7f93541f4060, buffer=0x7f93601ab2c0) at
gst-validate-pad-monitor.c:1478
#4  0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f93601ab2c0,
type=4112, pad=0x7f935400cfc0) at gstpad.c:3822
#5  gst_pad_push_data (pad=pad at entry=0x7f93541e9470, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f93601ab2c0) at gstpad.c:4055
#6  0x00007f936c9feab6 in gst_pad_push (pad=pad at entry=0x7f93541e9470,
buffer=buffer at entry=0x7f93601ab2c0) at gstpad.c:4158
#7  0x00007f936c9e85bb in gst_proxy_pad_chain_default (pad=<optimized out>,
parent=<optimized out>, buffer=0x7f93601ab2c0) at gstghostpad.c:128
#8  0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f93601ab2c0,
type=4112, pad=0x7f93541e7380) at gstpad.c:3822
#9  gst_pad_push_data (pad=pad at entry=0x7f9354248ef0, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f93601ab2c0) at gstpad.c:4055
#10 0x00007f936c9feab6 in gst_pad_push (pad=pad at entry=0x7f9354248ef0,
buffer=buffer at entry=0x7f93601ab2c0) at gstpad.c:4158
#11 0x00007f936c9e85bb in gst_proxy_pad_chain_default (pad=<optimized out>,
parent=<optimized out>, buffer=0x7f93601ab2c0) at gstghostpad.c:128
#12 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f93601ab2c0,
type=4112, pad=0x7f935424b020) at gstpad.c:3822
#13 gst_pad_push_data (pad=pad at entry=0x7f9354248310, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f93601ab2c0) at gstpad.c:4055
#14 0x00007f936c9feab6 in gst_pad_push (pad=pad at entry=0x7f9354248310,
buffer=buffer at entry=0x7f93601ab2c0) at gstpad.c:4158
#15 0x00007f936c9e85bb in gst_proxy_pad_chain_default
(pad=pad at entry=0x7f935424a4e0, parent=parent at entry=0x7f9354248310,
buffer=buffer at entry=0x7f93601ab2c0) at gstghostpad.c:128
#16 0x00007f936ac6f26e in gst_subtitle_overlay_src_proxy_chain
(proxypad=0x7f935424a4e0, parent=0x7f9354248310, buffer=0x7f93601ab2c0) at
gstsubtitleoverlay.c:1595
#17 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f93601ab2c0,
type=4112, pad=0x7f935424a4e0) at gstpad.c:3822
#18 gst_pad_push_data (pad=0x7f9354264dc0, type=type at entry=4112,
data=<optimized out>) at gstpad.c:4055
#19 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>, buffer=<optimized
out>) at gstpad.c:4158
#20 0x00007f936ccd2ea9 in gst_base_transform_chain (pad=<optimized out>,
parent=<optimized out>, buffer=<optimized out>) at gstbasetransform.c:2237
#21 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f9354264b90, parent=0x7f92fc0228d0, buffer=0x7f93601ab2c0) at
gst-validate-pad-monitor.c:1478
#22 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f93601ab2c0,
type=4112, pad=0x7f9354264b90) at gstpad.c:3822
#23 gst_pad_push_data (pad=0x7f9354264960, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f93601ab2c0) at gstpad.c:4055
#24 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>,
buffer=buffer at entry=0x7f93601ab2c0) at gstpad.c:4158
#25 0x00007f93121d9223 in gst_base_text_overlay_video_chain (pad=<optimized
out>, parent=<optimized out>, buffer=0x7f93601ab2c0) at
gstbasetextoverlay.c:2533
#26 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f9354264500, parent=0x7f92fc0200d0, buffer=0x7f93601ab2c0) at
gst-validate-pad-monitor.c:1478
#27 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f93601ab2c0,
type=4112, pad=0x7f9354264500) at gstpad.c:3822
#28 gst_pad_push_data (pad=0x7f9354265220, type=type at entry=4112,
data=<optimized out>) at gstpad.c:4055
#29 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>, buffer=<optimized
out>) at gstpad.c:4158
#30 0x00007f936ccd2ea9 in gst_base_transform_chain (pad=<optimized out>,
parent=<optimized out>, buffer=<optimized out>) at gstbasetransform.c:2237
#31 0x00007f936e444eaf in gst_validate_pad_monitor_chain_func
(pad=0x7f9354264ff0, parent=0x7f92fc0286d0, buffer=0x7f93601ab2c0) at
gst-validate-pad-monitor.c:1478
#32 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f93601ab2c0,
type=4112, pad=0x7f9354264ff0) at gstpad.c:3822
#33 gst_pad_push_data (pad=pad at entry=0x7f935424a720, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f93601ab2c0) at gstpad.c:4055
#34 0x00007f936c9feab6 in gst_pad_push (pad=pad at entry=0x7f935424a720,
buffer=buffer at entry=0x7f93601ab2c0) at gstpad.c:4158
#35 0x00007f936c9e85bb in gst_proxy_pad_chain_default
(pad=pad at entry=0x7f9354248570, parent=parent at entry=0x7f93542600a0,
buffer=buffer at entry=0x7f93601ab2c0) at gstghostpad.c:128
#36 0x00007f936ac72324 in gst_subtitle_overlay_video_sink_chain
(pad=0x7f9354248570, parent=0x7f93542600a0, buffer=0x7f93601ab2c0) at
gstsubtitleoverlay.c:1725
#37 0x00007f936c9f7975 in gst_pad_chain_data_unchecked (data=0x7f93601ab2c0,
type=4112, pad=0x7f9354248570) at gstpad.c:3822
#38 gst_pad_push_data (pad=0x7f935424d690, type=type at entry=4112,
data=<optimized out>, data at entry=0x7f93601ab2c0) at gstpad.c:4055
#39 0x00007f936c9feab6 in gst_pad_push (pad=<optimized out>,
buffer=buffer at entry=0x7f93601ab2c0) at gstpad.c:4158
#40 0x00007f936a2149a2 in gst_queue_push_one (queue=0x7f93541f4640) at
gstqueue.c:1118
#41 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1247
#42 0x00007f936ca26159 in gst_task_func (task=0x7f936001def0) at gsttask.c:319
#43 0x00007f936bb684f6 in g_thread_pool_thread_proxy (data=<optimized out>) at
gthreadpool.c:309
#44 0x00007f936bb67b35 in g_thread_proxy (data=0x7f935425acf0) at gthread.c:798
#45 0x00007f936b8e5f33 in start_thread (arg=0x7f93133e3700) at
pthread_create.c:309
#46 0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7f9312be2700 (LWP 13046)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f936bb82df7 in g_cond_wait (cond=cond at entry=0x7f93541f4bc0,
mutex=mutex at entry=0x7f93541f4bb0) at gthread-posix.c:753
#2  0x00007f936a21426d in gst_queue_loop (pad=<optimized out>) at
gstqueue.c:1235
#3  0x00007f936ca26159 in gst_task_func (task=0x7f9354244050) at gsttask.c:319
#4  0x00007f936bb684f6 in g_thread_pool_thread_proxy (data=<optimized out>) at
gthreadpool.c:309
#5  0x00007f936bb67b35 in g_thread_proxy (data=0x7f935425aca0) at gthread.c:798
#6  0x00007f936b8e5f33 in start_thread (arg=0x7f9312be2700) at
pthread_create.c:309
#7  0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f92f97f8700 (LWP 13047)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007f936bb82ee5 in g_cond_wait_until (cond=cond at entry=0x234c0c8,
mutex=mutex at entry=0x234c0c0, end_time=end_time at entry=163829380393) at
gthread-posix.c:870
#2  0x00007f936bb19aa1 in g_async_queue_pop_intern_unlocked
(queue=queue at entry=0x234c0c0, wait=wait at entry=1,
end_time=end_time at entry=163829380393) at gasyncqueue.c:424
#3  0x00007f936bb1a02b in g_async_queue_timeout_pop (queue=0x234c0c0,
timeout=timeout at entry=15000000) at gasyncqueue.c:545
#4  0x00007f936bb685c6 in g_thread_pool_wait_for_new_pool () at
gthreadpool.c:169
#5  g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:366
#6  0x00007f936bb67b35 in g_thread_proxy (data=0x7f93040021e0) at gthread.c:798
#7  0x00007f936b8e5f33 in start_thread (arg=0x7f92f97f8700) at
pthread_create.c:309
#8  0x00007f936b613ded in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f936e84b840 (LWP 13004)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f936bb82df7 in g_cond_wait (cond=cond at entry=0x7f935424a9e8,
mutex=mutex at entry=0x7f935424a978) at gthread-posix.c:753
#2  0x00007f936c9b9725 in do_probe_callbacks (pad=pad at entry=0x7f935424a960,
info=info at entry=0x7fff62a26010, defaultval=defaultval at entry=GST_FLOW_OK) at
gstpad.c:3294
#3  0x00007f936c9f6bb0 in gst_pad_push_event_unchecked
(pad=pad at entry=0x7f935424a960, event=event at entry=0x2528440,
type=type at entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4762
#4  0x00007f936c9ff65e in gst_pad_push_event (pad=pad at entry=0x7f935424a960,
event=0x2528440) at gstpad.c:4920
#5  0x00007f936c9ff89f in event_forward_func (pad=pad at entry=0x7f935424a960,
data=data at entry=0x7fff62a26200) at gstpad.c:2828
#6  0x00007f936c9fc6d7 in gst_pad_forward (pad=pad at entry=0x7f93542487d0,
forward=forward at entry=0x7f936c9ff7d0 <event_forward_func>,
user_data=user_data at entry=0x7fff62a26200) at gstpad.c:2782
#7  0x00007f936c9fc80e in gst_pad_event_default (pad=pad at entry=0x7f93542487d0,
parent=parent at entry=0x7f93542600a0, event=0x2528440) at gstpad.c:2879
#8  0x00007f936ac71a16 in gst_subtitle_overlay_subtitle_sink_event
(pad=pad at entry=0x7f93542487d0, parent=parent at entry=0x7f93542600a0,
event=event at entry=0x2528440) at gstsubtitleoverlay.c:1930
#9  0x00007f936c9f60fc in gst_pad_send_event_unchecked
(pad=pad at entry=0x7f93542487d0, event=event at entry=0x2528440,
type=type at entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:5096
#10 0x00007f936c9f6951 in gst_pad_push_event_unchecked
(pad=pad at entry=0x7f935424daf0, event=event at entry=0x2528440,
type=type at entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4795
#11 0x00007f936c9ff65e in gst_pad_push_event (pad=0x7f935424daf0,
event=0x2528440) at gstpad.c:4920
#12 0x00007f936e445cd0 in gst_validate_pad_monitor_downstream_event_check
(pad_monitor=pad_monitor at entry=0x7f935425e1b0,
parent=parent at entry=0x7f93541f4930, event=event at entry=0x2528440,
handler=0x7f936a216120 <gst_queue_handle_sink_event>) at
gst-validate-pad-monitor.c:1341
#13 0x00007f936e446f8a in gst_validate_pad_monitor_sink_event_func
(pad=pad at entry=0x7f935424d8c0, parent=parent at entry=0x7f93541f4930,
event=event at entry=0x2528440) at gst-validate-pad-monitor.c:1537
#14 0x00007f936c9f60fc in gst_pad_send_event_unchecked
(pad=pad at entry=0x7f935424d8c0, event=event at entry=0x2528440,
type=type at entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:5096
#15 0x00007f936c9f6951 in gst_pad_push_event_unchecked
(pad=pad at entry=0x7f935424ade0, event=event at entry=0x2528440,
type=type at entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4795
#16 0x00007f936c9ff65e in gst_pad_push_event (pad=pad at entry=0x7f935424ade0,
event=0x2528440) at gstpad.c:4920
#17 0x00007f936c9ff89f in event_forward_func (pad=pad at entry=0x7f935424ade0,
data=data at entry=0x7fff62a268e0) at gstpad.c:2828
#18 0x00007f936c9fc6d7 in gst_pad_forward (pad=pad at entry=0x7f9354248c90,
forward=forward at entry=0x7f936c9ff7d0 <event_forward_func>,
user_data=user_data at entry=0x7fff62a268e0) at gstpad.c:2782
#19 0x00007f936c9fc80e in gst_pad_event_default (pad=pad at entry=0x7f9354248c90,
parent=parent at entry=0x7f935425e030, event=0x2528440) at gstpad.c:2879
#20 0x00007f936ac62abf in gst_play_sink_sink_event (sink_type=0x7f936ac7cf46
"subtitle", sink_pending_flush=0x25063a8, sink_custom_flush_finished=0x25063a0,
sink_ignore_wrong_state=0x25063a4, event=0x2528440, parent=0x7f935425e030,
pad=0x7f9354248c90) at gstplaysink.c:2134
#21 gst_play_sink_text_sink_event (pad=pad at entry=0x7f9354248c90,
parent=parent at entry=0x7f935425e030, event=event at entry=0x2528440) at
gstplaysink.c:2306
#22 0x00007f936c9f60fc in gst_pad_send_event_unchecked
(pad=pad at entry=0x7f9354248c90, event=event at entry=0x2528440,
type=type at entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:5096
#23 0x00007f936c9f6951 in gst_pad_push_event_unchecked
(pad=pad at entry=0x7f93542640a0, event=event at entry=0x2528440,
type=type at entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4795
#24 0x00007f936c9ff65e in gst_pad_push_event (pad=pad at entry=0x7f93542640a0,
event=0x2528440) at gstpad.c:4920
#25 0x00007f936c9ff89f in event_forward_func (pad=pad at entry=0x7f93542640a0,
data=data at entry=0x7fff62a26c60) at gstpad.c:2828
#26 0x00007f936c9fc6d7 in gst_pad_forward (pad=pad at entry=0x7f935424dd20,
forward=forward at entry=0x7f936c9ff7d0 <event_forward_func>,
user_data=user_data at entry=0x7fff62a26c60) at gstpad.c:2782
#27 0x00007f936c9fc80e in gst_pad_event_default (pad=pad at entry=0x7f935424dd20,
parent=parent at entry=0x24ef0a0, event=event at entry=0x2528440) at gstpad.c:2879
#28 0x00007f936ac77d16 in gst_stream_synchronizer_sink_event (pad=<optimized
out>, parent=<optimized out>, event=0x2528440) at gststreamsynchronizer.c:515
#29 0x00007f936e445cd0 in gst_validate_pad_monitor_downstream_event_check
(pad_monitor=pad_monitor at entry=0x7f935425e9d0, parent=parent at entry=0x24ef0a0,
event=event at entry=0x2528440, handler=0x7f936ac77ad0
<gst_stream_synchronizer_sink_event>) at gst-validate-pad-monitor.c:1341
#30 0x00007f936e446f8a in gst_validate_pad_monitor_sink_event_func
(pad=pad at entry=0x7f935424dd20, parent=parent at entry=0x24ef0a0,
event=event at entry=0x2528440) at gst-validate-pad-monitor.c:1537
#31 0x00007f936c9f60fc in gst_pad_send_event_unchecked
(pad=pad at entry=0x7f935424dd20, event=event at entry=0x2528440,
type=type at entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:5096
#32 0x00007f936c9f6951 in gst_pad_push_event_unchecked
(pad=pad at entry=0x7f93541e8db0, event=event at entry=0x2528440,
type=type at entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4795
#33 0x00007f936c9ff65e in gst_pad_push_event (pad=pad at entry=0x7f93541e8db0,
event=0x2528440) at gstpad.c:4920
#34 0x00007f936c9ff89f in event_forward_func (pad=pad at entry=0x7f93541e8db0,
data=data at entry=0x7fff62a27200) at gstpad.c:2828
#35 0x00007f936c9fc6d7 in gst_pad_forward (pad=pad at entry=0x7f93541e6c60,
forward=forward at entry=0x7f936c9ff7d0 <event_forward_func>,
user_data=user_data at entry=0x7fff62a27200) at gstpad.c:2782
#36 0x00007f936c9fc80e in gst_pad_event_default (pad=pad at entry=0x7f93541e6c60,
parent=parent at entry=0x2506050, event=event at entry=0x2528440) at gstpad.c:2879
#37 0x00007f936c9f60fc in gst_pad_send_event_unchecked
(pad=pad at entry=0x7f93541e6c60, event=event at entry=0x2528440, type=<optimized
out>) at gstpad.c:5096
#38 0x00007f936c9ffa27 in gst_pad_send_event (pad=pad at entry=0x7f93541e6c60,
event=0x2528440) at gstpad.c:5253
#39 0x00007f936ac58f02 in gst_play_bin_send_custom_event (combiner=<optimized
out>, event_name=event_name at entry=0x7f936ac7e520
"playsink-custom-subtitle-flush-finish") at gstplaybin2.c:1832
#40 0x00007f936ac5d56c in combiner_active_pad_changed (combiner=0x7f93540b5540,
pspec=<optimized out>, playbin=0x23c65c0) at gstplaybin2.c:2866
#41 0x00007f936c040cf8 in g_closure_invoke (closure=0x7f93541e05d0,
return_value=return_value at entry=0x0, n_param_values=2,
param_values=param_values at entry=0x7fff62a27530,
invocation_hint=invocation_hint at entry=0x7fff62a274d0) at gclosure.c:777
#42 0x00007f936c0530ed in signal_emit_unlocked_R (node=node at entry=0x2340b10,
detail=detail at entry=2873, instance=instance at entry=0x7f93540b5540,
emission_return=emission_return at entry=0x0,
instance_and_params=instance_and_params at entry=0x7fff62a27530) at gsignal.c:3586
#43 0x00007f936c05b244 in g_signal_emit_valist (instance=<optimized out>,
signal_id=<optimized out>, detail=<optimized out>,
var_args=var_args at entry=0x7fff62a276b8) at gsignal.c:3330
#44 0x00007f936c05b4e2 in g_signal_emit (instance=<optimized out>,
signal_id=<optimized out>, detail=<optimized out>) at gsignal.c:3386
#45 0x00007f936c045095 in g_object_dispatch_properties_changed
(object=0x7f93540b5540, n_pspecs=128, pspecs=0x3) at gobject.c:1047
#46 0x00007f936c9bc6c4 in gst_object_dispatch_properties_changed
(object=0x7f93540b5540, n_pspecs=1, pspecs=0x7fff62a27840) at gstobject.c:448
#47 0x00007f936c0449a2 in g_object_notify_queue_thaw
(object=object at entry=0x7f93540b5540, nqueue=nqueue at entry=0x2525480) at
gobject.c:292
#48 0x00007f936c04870d in g_object_set_valist
(object=object at entry=0x7f93540b5540,
first_property_name=first_property_name at entry=0x7f936ac7d651 "active-pad",
var_args=var_args at entry=0x7fff62a279e8) at gobject.c:2132
#49 0x00007f936c048ef7 in g_object_set (_object=_object at entry=0x7f93540b5540,
first_property_name=first_property_name at entry=0x7f936ac7d651 "active-pad") at
gobject.c:2232
#50 0x00007f936ac5df25 in gst_play_bin_set_current_text_stream
(stream=<optimized out>, playbin=0x23c65c0) at gstplaybin2.c:2145
#51 gst_play_bin_set_property (object=<optimized out>, prop_id=<optimized out>,
value=<optimized out>, pspec=<optimized out>) at gstplaybin2.c:2260
#52 0x00007f936c0486a2 in object_set_property (nqueue=0x2525400,
value=0x7fff62a27bc0, pspec=0x234a630, object=0x23c65c0) at gobject.c:1366
#53 g_object_set_valist (object=object at entry=0x23c65c0,
first_property_name=first_property_name at entry=0x402f93 "flags",
var_args=var_args at entry=0x7fff62a27c88) at gobject.c:2126
#54 0x00007f936c048ef7 in g_object_set (_object=0x23c65c0,
first_property_name=first_property_name at entry=0x402f93 "flags") at
gobject.c:2232
#55 0x0000000000402c41 in _execute_switch_track (scenario=0x23c3cf0,
action=0x23c7c20) at gst-validate.c:252
#56 0x00007f936e44b377 in get_position (scenario=0x23c3cf0,
scenario at entry=<error reading variable: value has been optimized out>) at
gst-validate-scenario.c:684
#57 0x00007f936bb438b3 in g_timeout_dispatch (source=source at entry=0x2528f60,
callback=<optimized out>, user_data=<optimized out>) at gmain.c:4450
#58 0x00007f936bb42d56 in g_main_dispatch (context=0x2505800) at gmain.c:3065
#59 g_main_context_dispatch (context=context at entry=0x2505800) at gmain.c:3641
#60 0x00007f936bb430a8 in g_main_context_iterate (context=0x2505800,
block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at
gmain.c:3712
#61 0x00007f936bb434aa in g_main_loop_run (loop=0x2516670) at gmain.c:3906
#62 0x000000000040257e in main (argc=3, argv=0x7fff62a28238) at
gst-validate.c:428

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