
Starting program: /usr/bin/gst-launch-1.0 filesrc location=4.mp4 \! decodebin \! deinterlace mode=interlaced method=tomsmocomp \! fakesink
warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff4dbe700 (LWP 24844)]
[New Thread 0x7fffeffff700 (LWP 24845)]
[New Thread 0x7fffee9ef700 (LWP 24846)]
[New Thread 0x7fffee02c700 (LWP 24847)]
[New Thread 0x7fffed3e1700 (LWP 24848)]
[New Thread 0x7fffd711e700 (LWP 24849)]
[New Thread 0x7fffd691d700 (LWP 24850)]
[New Thread 0x7fffd611c700 (LWP 24851)]
[New Thread 0x7fffd591b700 (LWP 24852)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffee02c700 (LWP 24847)]
0x00007ffff7b36479 in gst_memory_copy (mem=0x7fffe43c6140, offset=0, size=-1) at gstmemory.c:361
361	gstmemory.c: No such file or directory.

Thread 10 (Thread 0x7fffd591b700 (LWP 24852)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fffdf59c38d in frame_worker_thread (arg=0x7fffe41090d8) at /build/libav-k7f0v8/libav-9.8/libavcodec/pthread.c:366
#2  0x00007ffff7373e0e in start_thread (arg=0x7fffd591b700) at pthread_create.c:311
#3  0x00007ffff70a89ed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 9 (Thread 0x7fffd611c700 (LWP 24851)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fffdf59c38d in frame_worker_thread (arg=0x7fffe4105090) at /build/libav-k7f0v8/libav-9.8/libavcodec/pthread.c:366
#2  0x00007ffff7373e0e in start_thread (arg=0x7fffd611c700) at pthread_create.c:311
#3  0x00007ffff70a89ed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 8 (Thread 0x7fffd691d700 (LWP 24850)):
#0  0x00007fffdf47965c in get_cabac_bypass_sign_x86 (val=-64, c=0x7fffe4153c90) at /build/libav-k7f0v8/libav-9.8/libavcodec/x86/cabac.h:196
#1  decode_cabac_residual_internal (chroma422=0, is_dc=0, max_coeff=15, qmul=<optimized out>, scantable=<optimized out>, n=-468369966, cat=1, block=<optimized out>, h=0x7fffe410da60)
    at /build/libav-k7f0v8/libav-9.8/libavcodec/h264_cabac.c:1738
#2  decode_cabac_residual_nondc_internal (h=h@entry=0x7fffe410da60, block=block@entry=0x7fffe4152d90, cat=cat@entry=1, n=n@entry=14, 
    scantable=scantable@entry=0x7fffdf73c131 <zigzag_scan+1> "\001\004\b\005\002\003\006\t\f\r\n\a\v\016\017\002\003\001\006\005", qmul=qmul@entry=0x7fffe41123b8, max_coeff=max_coeff@entry=15)
    at /build/libav-k7f0v8/libav-9.8/libavcodec/h264_cabac.c:1760
#3  0x00007fffdf47b7eb in decode_cabac_residual_nondc (max_coeff=15, qmul=<optimized out>, scantable=<optimized out>, n=14, cat=1, block=<optimized out>, h=0x7fffe410da60)
    at /build/libav-k7f0v8/libav-9.8/libavcodec/h264_cabac.c:1807
#4  decode_cabac_luma_residual (p=0, cbp=47, mb_type=<optimized out>, pixel_shift=0, scan8x8=0x7fffdf72dd80 <ff_zigzag_direct> "", scan=0x7fffdf73c130 <zigzag_scan> "", h=0x7fffe410da60)
    at /build/libav-k7f0v8/libav-9.8/libavcodec/h264_cabac.c:1828
#5  ff_h264_decode_mb_cabac (h=h@entry=0x7fffe410da60) at /build/libav-k7f0v8/libav-9.8/libavcodec/h264_cabac.c:2341
#6  0x00007fffdf47199d in decode_slice (avctx=<optimized out>, arg=arg@entry=0x7fffd691cd98) at /build/libav-k7f0v8/libav-9.8/libavcodec/h264.c:3673
#7  0x00007fffdf4723e7 in execute_decode_slices (h=h@entry=0x7fffe410da60, context_count=1) at /build/libav-k7f0v8/libav-9.8/libavcodec/h264.c:3826
#8  0x00007fffdf476ade in decode_nal_units (parse_extradata=0, buf_size=251802, buf=0x7fffe4621c00 "", h=0x7fffe410da60) at /build/libav-k7f0v8/libav-9.8/libavcodec/h264.c:4115
#9  decode_frame (avctx=0x7fffe410d640, data=0x7fffe41011a8, got_frame=0x7fffe4101378, avpkt=<optimized out>) at /build/libav-k7f0v8/libav-9.8/libavcodec/h264.c:4205
#10 0x00007fffdf59c3f3 in frame_worker_thread (arg=0x7fffe4101048) at /build/libav-k7f0v8/libav-9.8/libavcodec/pthread.c:378
#11 0x00007ffff7373e0e in start_thread (arg=0x7fffd691d700) at pthread_create.c:311
#12 0x00007ffff70a89ed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 7 (Thread 0x7fffd711e700 (LWP 24849)):
#0  0x00007fffdf479659 in get_cabac_bypass_sign_x86 (val=-64, c=0x7fffe40e7cf0) at /build/libav-k7f0v8/libav-9.8/libavcodec/x86/cabac.h:196
#1  decode_cabac_residual_internal (chroma422=0, is_dc=0, max_coeff=15, qmul=<optimized out>, scantable=<optimized out>, n=-469099840, cat=4, block=<optimized out>, h=0x7fffe40a1ac0)
    at /build/libav-k7f0v8/libav-9.8/libavcodec/h264_cabac.c:1738
#2  decode_cabac_residual_nondc_internal (h=h@entry=0x7fffe40a1ac0, block=block@entry=0x7fffe40e6e70, cat=cat@entry=4, n=n@entry=18, 
    scantable=scantable@entry=0x7fffdf73c131 <zigzag_scan+1> "\001\004\b\005\002\003\006\t\f\r\n\a\v\016\017\002\003\001\006\005", qmul=qmul@entry=0x7fffe40a6418, max_coeff=max_coeff@entry=15)
    at /build/libav-k7f0v8/libav-9.8/libavcodec/h264_cabac.c:1760
#3  0x00007fffdf47c29b in decode_cabac_residual_nondc (max_coeff=15, qmul=<optimized out>, scantable=<optimized out>, n=18, cat=4, block=<optimized out>, h=0x7fffe40a1ac0)
    at /build/libav-k7f0v8/libav-9.8/libavcodec/h264_cabac.c:1807
#4  ff_h264_decode_mb_cabac (h=h@entry=0x7fffe40a1ac0) at /build/libav-k7f0v8/libav-9.8/libavcodec/h264_cabac.c:2384
#5  0x00007fffdf47199d in decode_slice (avctx=<optimized out>, arg=arg@entry=0x7fffd711dd98) at /build/libav-k7f0v8/libav-9.8/libavcodec/h264.c:3673
#6  0x00007fffdf4723e7 in execute_decode_slices (h=h@entry=0x7fffe40a1ac0, context_count=1) at /build/libav-k7f0v8/libav-9.8/libavcodec/h264.c:3826
#7  0x00007fffdf476ade in decode_nal_units (parse_extradata=0, buf_size=246566, buf=0x7fffe4254d60 "", h=0x7fffe40a1ac0) at /build/libav-k7f0v8/libav-9.8/libavcodec/h264.c:4115
#8  decode_frame (avctx=0x7fffe40fb520, data=0x7fffe40fd160, got_frame=0x7fffe40fd330, avpkt=<optimized out>) at /build/libav-k7f0v8/libav-9.8/libavcodec/h264.c:4205
#9  0x00007fffdf59c3f3 in frame_worker_thread (arg=0x7fffe40fd000) at /build/libav-k7f0v8/libav-9.8/libavcodec/pthread.c:378
#10 0x00007ffff7373e0e in start_thread (arg=0x7fffd711e700) at pthread_create.c:311
#11 0x00007ffff70a89ed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 6 (Thread 0x7fffed3e1700 (LWP 24848)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff7610607 in g_cond_wait (cond=cond@entry=0x7fffe005ad38, mutex=mutex@entry=0x7fffe000f218) at /build/glib2.0-m8PF51/glib2.0-2.38.0/./glib/gthread-posix.c:759
#2  0x00007ffff624e424 in gst_multi_queue_loop (pad=<optimized out>) at gstmultiqueue.c:1280
#3  0x00007ffff7b67f49 in gst_task_func (task=0x80ccb0) at gsttask.c:316
#4  0x00007ffff75f5aa6 in g_thread_pool_thread_proxy (data=<optimized out>) at /build/glib2.0-m8PF51/glib2.0-2.38.0/./glib/gthreadpool.c:309
#5  0x00007ffff75f50e5 in g_thread_proxy (data=0x7fffe00048a0) at /build/glib2.0-m8PF51/glib2.0-2.38.0/./glib/gthread.c:798
#6  0x00007ffff7373e0e in start_thread (arg=0x7fffed3e1700) at pthread_create.c:311
#7  0x00007ffff70a89ed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7fffee02c700 (LWP 24847)):
#0  0x00007ffff7b36479 in gst_memory_copy (mem=0x7fffe43c6140, offset=0, size=-1) at gstmemory.c:361
#1  0x00007ffff7b36569 in gst_memory_make_mapped (mem=mem@entry=0x7fffe43c6140, info=info@entry=0x7fffe470e498, flags=flags@entry=GST_MAP_WRITE) at gstmemory.c:240
#2  0x00007ffff7b103f6 in gst_buffer_map_range (buffer=buffer@entry=0x7ffff005e040, idx=0, length=1, info=info@entry=0x7fffe470e498, flags=flags@entry=GST_MAP_WRITE) at gstbuffer.c:1496
#3  0x00007ffff56f2268 in default_map (meta=0x7fffd8004428, plane=0, info=0x7fffe470e498, data=0x7fffe470e478, stride=0x7fffe470e428, flags=GST_MAP_WRITE) at gstvideometa.c:144
#4  0x00007ffff56eeafb in gst_video_frame_map_id (frame=frame@entry=0x7fffe470e3c0, info=info@entry=0x8026b8, buffer=buffer@entry=0x7ffff005e040, id=id@entry=-1, 
    flags=flags@entry=GST_MAP_WRITE) at video-frame.c:82
#5  0x00007ffff56eee6d in gst_video_frame_map (frame=frame@entry=0x7fffe470e3c0, info=info@entry=0x8026b8, buffer=buffer@entry=0x7ffff005e040, flags=flags@entry=GST_MAP_WRITE)
    at video-frame.c:173
#6  0x00007ffff4dc75bc in gst_video_frame_new_and_map (flags=GST_MAP_WRITE, buffer=0x7ffff005e040, vinfo=0x8026b8) at gstdeinterlace.c:756
#7  gst_deinterlace_output_frame (self=self@entry=0x802580, flushing=flushing@entry=0) at gstdeinterlace.c:1792
#8  0x00007ffff4dca380 in gst_deinterlace_chain (pad=<optimized out>, parent=0x802580, buf=0x7ffff005ed00) at gstdeinterlace.c:2083
#9  0x00007ffff7b3aa4a in gst_pad_chain_data_unchecked (data=0x7ffff005ed00, type=4112, pad=0x7e6710) at gstpad.c:3711
#10 gst_pad_push_data (pad=pad@entry=0x7ffff003c050, type=type@entry=4112, data=<optimized out>, data@entry=0x7ffff005ed00) at gstpad.c:3941
#11 0x00007ffff7b41546 in gst_pad_push (pad=pad@entry=0x7ffff003c050, buffer=buffer@entry=0x7ffff005ed00) at gstpad.c:4044
#12 0x00007ffff7b2cc2b in gst_proxy_pad_chain_default (pad=<optimized out>, parent=<optimized out>, buffer=0x7ffff005ed00) at gstghostpad.c:128
#13 0x00007ffff7b3aa4a in gst_pad_chain_data_unchecked (data=0x7ffff005ed00, type=4112, pad=0x7f6970) at gstpad.c:3711
#14 gst_pad_push_data (pad=0x7fffe000d860, type=type@entry=4112, data=<optimized out>, data@entry=0x7ffff005ed00) at gstpad.c:3941
#15 0x00007ffff7b41546 in gst_pad_push (pad=<optimized out>, buffer=buffer@entry=0x7ffff005ed00) at gstpad.c:4044
#16 0x00007ffff56f60c0 in gst_video_decoder_clip_and_push_buf (decoder=decoder@entry=0x7fffe40455a0, buf=buf@entry=0x7ffff005ed00) at gstvideodecoder.c:2585
#17 0x00007ffff56fbc85 in gst_video_decoder_finish_frame (decoder=0x7fffe40455a0, frame=0x0, frame@entry=0x7ffff005ebf0) at gstvideodecoder.c:2500
#18 0x00007fffec7a9694 in gst_ffmpegviddec_video_frame (ffmpegdec=ffmpegdec@entry=0x7fffe40455a0, data=<optimized out>, data@entry=0x7fffe4ac9df0 "", size=<optimized out>, 
    frame=frame@entry=0x7fffe48783e0, ret=ret@entry=0x7fffee02b56c) at gstavviddec.c:1239
#19 0x00007fffec7a9a38 in gst_ffmpegviddec_frame (ffmpegdec=ffmpegdec@entry=0x7fffe40455a0, data=data@entry=0x7fffe4ac9df0 "", size=size@entry=251802, got_data=got_data@entry=0x7fffee02b568, 
    frame=frame@entry=0x7fffe48783e0, ret=ret@entry=0x7fffee02b56c) at gstavviddec.c:1296
#20 0x00007fffec7aa0c4 in gst_ffmpegviddec_handle_frame (decoder=0x7fffe40455a0, frame=0x7fffe48783e0) at gstavviddec.c:1412
#21 0x00007ffff56f54d9 in gst_video_decoder_decode_frame (decoder=decoder@entry=0x7fffe40455a0, frame=0x7fffe48783e0) at gstvideodecoder.c:2760
#22 0x00007ffff56f583d in gst_video_decoder_chain_forward (decoder=decoder@entry=0x7fffe40455a0, buf=buf@entry=0x7ffff003a9a0, at_eos=at_eos@entry=0) at gstvideodecoder.c:1757
#23 0x00007ffff56f7757 in gst_video_decoder_chain (pad=<optimized out>, parent=0x7fffe40455a0, buf=0x7ffff003a9a0) at gstvideodecoder.c:2004
#24 0x00007ffff7b3aa4a in gst_pad_chain_data_unchecked (data=0x7ffff003a9a0, type=4112, pad=0x7fffe000d630) at gstpad.c:3711
#25 gst_pad_push_data (pad=0x7fffe000c910, type=type@entry=4112, data=<optimized out>) at gstpad.c:3941
#26 0x00007ffff7b41546 in gst_pad_push (pad=<optimized out>, buffer=<optimized out>) at gstpad.c:4044
#27 0x00007ffff600e10b in gst_base_transform_chain (pad=<optimized out>, parent=0x7fffe001c100, buffer=<optimized out>) at gstbasetransform.c:2237
#28 0x00007ffff7b3aa4a in gst_pad_chain_data_unchecked (data=0x7ffff003a9a0, type=4112, pad=0x7fffe000c6e0) at gstpad.c:3711
#29 gst_pad_push_data (pad=0x7fffe000c4b0, type=type@entry=4112, data=<optimized out>, data@entry=0x7ffff003a9a0) at gstpad.c:3941
#30 0x00007ffff7b41546 in gst_pad_push (pad=<optimized out>, buffer=buffer@entry=0x7ffff003a9a0) at gstpad.c:4044
#31 0x00007ffff5ff072f in gst_base_parse_push_frame (parse=parse@entry=0x7fffe0015b10, frame=frame@entry=0x7fffee02bbc0) at gstbaseparse.c:2280
#32 0x00007ffff5ff1310 in gst_base_parse_chain (pad=<optimized out>, parent=0x7fffe0015b10, buffer=0x7ffff003a9a0) at gstbaseparse.c:2758
#33 0x00007ffff7b3aa4a in gst_pad_chain_data_unchecked (data=0x7ffff003a9a0, type=4112, pad=0x7fffe000c280) at gstpad.c:3711
#34 gst_pad_push_data (pad=0x7fffe000c050, type=type@entry=4112, data=<optimized out>, data@entry=0x7ffff003a9a0) at gstpad.c:3941
#35 0x00007ffff7b41546 in gst_pad_push (pad=<optimized out>, buffer=buffer@entry=0x7ffff003a9a0) at gstpad.c:4044
#36 0x00007ffff624e741 in gst_single_queue_push_one (object=0x7ffff003a9a0, sq=0x7fffe000e9e0, mq=0x7fffe000f0b0) at gstmultiqueue.c:1083
#37 gst_multi_queue_loop (pad=<optimized out>) at gstmultiqueue.c:1331
#38 0x00007ffff7b67f49 in gst_task_func (task=0x80cb90) at gsttask.c:316
#39 0x00007ffff75f5aa6 in g_thread_pool_thread_proxy (data=<optimized out>) at /build/glib2.0-m8PF51/glib2.0-2.38.0/./glib/gthreadpool.c:309
#40 0x00007ffff75f50e5 in g_thread_proxy (data=0x7fffe00048f0) at /build/glib2.0-m8PF51/glib2.0-2.38.0/./glib/gthread.c:798
#41 0x00007ffff7373e0e in start_thread (arg=0x7fffee02c700) at pthread_create.c:311
#42 0x00007ffff70a89ed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7fffee9ef700 (LWP 24846)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff7610607 in g_cond_wait (cond=cond@entry=0x7ffff0020f30, mutex=mutex@entry=0x7ffff0020f08) at /build/glib2.0-m8PF51/glib2.0-2.38.0/./glib/gthread-posix.c:759
#2  0x00007ffff6018d82 in gst_data_queue_push (queue=0x7ffff0020f60, item=item@entry=0x7fffe009b360) at gstdataqueue.c:518
#3  0x00007ffff624d28e in gst_multi_queue_chain (pad=<optimized out>, parent=<optimized out>, buffer=<optimized out>) at gstmultiqueue.c:1447
#4  0x00007ffff7b3aa4a in gst_pad_chain_data_unchecked (data=0x7ffff005eae0, type=4112, pad=0x7fffe000cd70) at gstpad.c:3711
#5  gst_pad_push_data (pad=0x7fffe000cb40, type=type@entry=4112, data=<optimized out>, data@entry=0x7ffff005eae0) at gstpad.c:3941
#6  0x00007ffff7b41546 in gst_pad_push (pad=<optimized out>, buffer=buffer@entry=0x7ffff005eae0) at gstpad.c:4044
#7  0x00007fffeee2b97b in gst_qtdemux_decorate_and_push_buffer (qtdemux=qtdemux@entry=0x7ffff004e120, stream=stream@entry=0x7fffe0008f00, buf=0x7ffff005eae0, dts=dts@entry=396000000, 
    pts=pts@entry=396000000, duration=duration@entry=36000000, keyframe=keyframe@entry=1, position=position@entry=396000000, byte_position=1727005) at qtdemux.c:4109
#8  0x00007fffeee3c639 in gst_qtdemux_loop_state_movie (qtdemux=0x7ffff004e120) at qtdemux.c:4246
#9  gst_qtdemux_loop (pad=0x7e7200) at qtdemux.c:4323
#10 0x00007ffff7b67f49 in gst_task_func (task=0x80c710) at gsttask.c:316
#11 0x00007ffff75f5aa6 in g_thread_pool_thread_proxy (data=<optimized out>) at /build/glib2.0-m8PF51/glib2.0-2.38.0/./glib/gthreadpool.c:309
#12 0x00007ffff75f50e5 in g_thread_proxy (data=0x7ffff004c230) at /build/glib2.0-m8PF51/glib2.0-2.38.0/./glib/gthread.c:798
#13 0x00007ffff7373e0e in start_thread (arg=0x7fffee9ef700) at pthread_create.c:311
#14 0x00007ffff70a89ed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7fffeffff700 (LWP 24845)):
#0  0x00007ffff709d24d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff75d0694 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7fffe80008c0, timeout=-1, context=0x7d5e80) at /build/glib2.0-m8PF51/glib2.0-2.38.0/./glib/gmain.c:4006
#2  g_main_context_iterate (context=context@entry=0x7d5e80, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-m8PF51/glib2.0-2.38.0/./glib/gmain.c:3707
#3  0x00007ffff75d079c in g_main_context_iteration (context=0x7d5e80, may_block=may_block@entry=1) at /build/glib2.0-m8PF51/glib2.0-2.38.0/./glib/gmain.c:3773
#4  0x00007ffff75d07e9 in glib_worker_main (data=<optimized out>) at /build/glib2.0-m8PF51/glib2.0-2.38.0/./glib/gmain.c:5472
#5  0x00007ffff75f50e5 in g_thread_proxy (data=0x6535e0) at /build/glib2.0-m8PF51/glib2.0-2.38.0/./glib/gthread.c:798
#6  0x00007ffff7373e0e in start_thread (arg=0x7fffeffff700) at pthread_create.c:311
#7  0x00007ffff70a89ed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7ffff4dbe700 (LWP 24844)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff7610607 in g_cond_wait (cond=cond@entry=0x80c0b0, mutex=mutex@entry=0x80c068) at /build/glib2.0-m8PF51/glib2.0-2.38.0/./glib/gthread-posix.c:759
#2  0x00007ffff7b6810c in gst_task_func (task=0x80c050) at gsttask.c:301
#3  0x00007ffff75f5aa6 in g_thread_pool_thread_proxy (data=<optimized out>) at /build/glib2.0-m8PF51/glib2.0-2.38.0/./glib/gthreadpool.c:309
#4  0x00007ffff75f50e5 in g_thread_proxy (data=0x653630) at /build/glib2.0-m8PF51/glib2.0-2.38.0/./glib/gthread.c:798
#5  0x00007ffff7373e0e in start_thread (arg=0x7ffff4dbe700) at pthread_create.c:311
#6  0x00007ffff70a89ed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7ffff7fc5700 (LWP 24840)):
#0  0x00007ffff709d24d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff75d0694 in g_main_context_poll (priority=2147483647, n_fds=2, fds=0x807e90, timeout=-1, context=0x7d6120) at /build/glib2.0-m8PF51/glib2.0-2.38.0/./glib/gmain.c:4006
#2  g_main_context_iterate (context=0x7d6120, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-m8PF51/glib2.0-2.38.0/./glib/gmain.c:3707
#3  0x00007ffff75d0afa in g_main_loop_run (loop=0x806250) at /build/glib2.0-m8PF51/glib2.0-2.38.0/./glib/gmain.c:3906
#4  0x00007ffff7b15884 in gst_bus_poll (bus=bus@entry=0x7d42e0, events=events@entry=GST_MESSAGE_ANY, timeout=<optimized out>) at gstbus.c:1082
#5  0x0000000000404568 in event_loop (pipeline=0x8081e0, blocking=blocking@entry=1, do_progress=do_progress@entry=0, target_state=target_state@entry=GST_STATE_PLAYING) at gst-launch.c:507
#6  0x0000000000403776 in main (argc=11, argv=0x7fffffffe278) at gst-launch.c:1081
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