[Bug 702697] New: adder: Seek while paused causes deadlock
GStreamer (bugzilla.gnome.org)
bugzilla at gnome.org
Wed Jun 19 15:04:22 PDT 2013
https://bugzilla.gnome.org/show_bug.cgi?id=702697
GStreamer | gst-plugins-base | git
Summary: adder: Seek while paused causes deadlock
Classification: Platform
Product: GStreamer
Version: git
OS/Version: Linux
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: gst-plugins-base
AssignedTo: gstreamer-bugs at lists.freedesktop.org
ReportedBy: self at brendanlong.com
QAContact: gstreamer-bugs at lists.freedesktop.org
GNOME version: ---
Created an attachment (id=247292)
--> (https://bugzilla.gnome.org/attachment.cgi?id=247292)
Python script demonstrating problem.
"adder" has a deadlock in `gst_adder_sink_event` if you seek while paused.
This (with input-selector) works fine:
./playbin-adder-seek.py
'https://dl.dropboxusercontent.com/s/aggvr6ch12oqy76/test.mkv?token_hash=AAG9qwEgF7qNdaxHIHzSwX0pGENusbixzL_xfHL2UOLhlA&dl=1'
But this (with adder) locks up when I pause then seek:
./playbin-adder-seek.py --use-adder
'https://dl.dropboxusercontent.com/s/aggvr6ch12oqy76/test.mkv?token_hash=AAG9qwEgF7qNdaxHIHzSwX0pGENusbixzL_xfHL2UOLhlA&dl=1'
(If this link doesn't work for some reason, you can get the file I'm using
here: https://www.dropbox.com/s/aggvr6ch12oqy76/test.mkv)
It works fine if I'm not paused.
The example file just sets the state to PAUSED, then tries to seek every
second.
Backtrace:
#0 __lll_lock_wait () at
../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:132
#1 0x00007ffff7bc7080 in _L_lock_903 () from
/lib/x86_64-linux-gnu/libpthread.so.0
#2 0x00007ffff7bc6f19 in __pthread_mutex_lock (mutex=0xbf3c00) at
pthread_mutex_lock.c:82
#3 0x00007ffff7e0f97b in gst_adder_sink_event (pads=0xd4a040,
pad=0x7fffc00b7c00, event=0xb8d2a0, user_data=0xd46070) at gstadder.c:837
#4 0x00007ffff3a53752 in gst_collect_pads_event (pad=0x7fffe405d900,
parent=0xd46070, event=0xb8d2a0) at gstcollectpads.c:1815
#5 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffe405d900,
event=0xb8d2a0, type=320) at gstpad.c:4983
#6 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0xd61870,
event=0xb8d2a0, type=320) at gstpad.c:4679
#7 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0xd61870, event=0xb8d2a0) at
gstpad.c:4802
#8 0x00007ffff3c67041 in event_forward_func (pad=0xd61870,
data=0x7fffffff4790) at gstpad.c:2735
#9 0x00007ffff3c66e3a in gst_pad_forward (pad=0x7fffe405d6c0,
forward=0x7ffff3c66f09 <event_forward_func>, user_data=0x7fffffff4790) at
gstpad.c:2689
#10 0x00007ffff3c671f3 in gst_pad_event_default (pad=0x7fffe405d6c0,
parent=0xd61870, event=0xb8d2a0) at gstpad.c:2786
#11 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffe405d6c0,
event=0xb8d2a0, type=320) at gstpad.c:4983
#12 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffe80085d0,
event=0xb8d2a0, type=320) at gstpad.c:4679
#13 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffe80085d0,
event=0xb8d2a0) at gstpad.c:4802
#14 0x00007ffff3c67041 in event_forward_func (pad=0x7fffe80085d0,
data=0x7fffffff4ab0) at gstpad.c:2735
#15 0x00007ffff3c66e3a in gst_pad_forward (pad=0x7fffe405cdc0,
forward=0x7ffff3c66f09 <event_forward_func>, user_data=0x7fffffff4ab0) at
gstpad.c:2689
#16 0x00007ffff3c671f3 in gst_pad_event_default (pad=0x7fffe405cdc0,
parent=0x7fffe80085d0, event=0xb8d2a0) at gstpad.c:2786
#17 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffe405cdc0,
event=0xb8d2a0, type=320) at gstpad.c:4983
#18 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffe80bf430,
event=0xb8d2a0, type=320) at gstpad.c:4679
#19 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffe80bf430,
event=0xb8d2a0) at gstpad.c:4802
#20 0x00007ffff3c67041 in event_forward_func (pad=0x7fffe80bf430,
data=0x7fffffff4dd0) at gstpad.c:2735
#21 0x00007ffff3c66e3a in gst_pad_forward (pad=0x7fffe80bf200,
forward=0x7ffff3c66f09 <event_forward_func>, user_data=0x7fffffff4dd0) at
gstpad.c:2689
#22 0x00007ffff3c671f3 in gst_pad_event_default (pad=0x7fffe80bf200,
parent=0x7fffe80ffc00, event=0xb8d2a0) at gstpad.c:2786
#23 0x00007ffff3b2b98d in gst_audio_decoder_sink_eventfunc (dec=0x7fffe80ffc00,
event=0xb8d2a0) at gstaudiodecoder.c:1857
#24 0x00007ffff3b2bb7e in gst_audio_decoder_sink_event (pad=0x7fffe80bf200,
parent=0x7fffe80ffc00, event=0xb8d2a0) at gstaudiodecoder.c:1888
#25 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffe80bf200,
event=0xb8d2a0, type=320) at gstpad.c:4983
#26 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffe80beda0,
event=0xb8d2a0, type=320) at gstpad.c:4679
#27 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffe80beda0,
event=0xb8d2a0) at gstpad.c:4802
#28 0x00007ffff39cfef2 in gst_multi_queue_sink_event (pad=0x7fffe80beb70,
parent=0x7fffe80c7070, event=0xb8d2a0) at gstmultiqueue.c:1515
#29 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffe80beb70,
event=0xb8d2a0, type=320) at gstpad.c:4983
#30 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffe80be940,
event=0xb8d2a0, type=320) at gstpad.c:4679
#31 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffe80be940,
event=0xb8d2a0) at gstpad.c:4802
#32 0x00007ffff3c67041 in event_forward_func (pad=0x7fffe80be940,
data=0x7fffffff5500) at gstpad.c:2735
#33 0x00007ffff3c66e3a in gst_pad_forward (pad=0xd49ac0, forward=0x7ffff3c66f09
<event_forward_func>, user_data=0x7fffffff5500) at gstpad.c:2689
#34 0x00007ffff3c671f3 in gst_pad_event_default (pad=0xd49ac0,
parent=0x7fffe80bc050, event=0xb8d2a0) at gstpad.c:2786
#35 0x00007fffe2e3615b in gst_matroska_demux_handle_sink_event (pad=0xd49ac0,
parent=0x7fffe80bc050, event=0xb8d2a0) at matroska-demux.c:4757
#36 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0xd49ac0,
event=0xb8d2a0, type=320) at gstpad.c:4983
#37 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0xd49430,
event=0xb8d2a0, type=320) at gstpad.c:4679
#38 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0xd49430, event=0xb8d2a0) at
gstpad.c:4802
#39 0x00007ffff39eb249 in gst_type_find_element_sink_event (pad=0xd49200,
parent=0xd68800, event=0xb8d2a0) at gsttypefindelement.c:677
#40 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0xd49200,
event=0xb8d2a0, type=320) at gstpad.c:4983
#41 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffe405c040,
event=0xb8d2a0, type=320) at gstpad.c:4679
#42 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffe405c040,
event=0xb8d2a0) at gstpad.c:4802
#43 0x00007ffff3c67041 in event_forward_func (pad=0x7fffe405c040,
data=0x7fffffff5b00) at gstpad.c:2735
#44 0x00007ffff3c66e3a in gst_pad_forward (pad=0xd60c90, forward=0x7ffff3c66f09
<event_forward_func>, user_data=0x7fffffff5b00) at gstpad.c:2689
#45 0x00007ffff3c671f3 in gst_pad_event_default (pad=0xd60c90, parent=0xd60a30,
event=0xb8d2a0) at gstpad.c:2786
#46 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0xd60c90,
event=0xb8d2a0, type=320) at gstpad.c:4983
#47 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0xd49890,
event=0xb8d2a0, type=320) at gstpad.c:4679
#48 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0xd49890, event=0xb8d2a0) at
gstpad.c:4802
#49 0x00007ffff39e20d6 in gst_queue2_handle_sink_event (pad=0xd49660,
parent=0x7fffe405e1c0, event=0xb8d2a0) at gstqueue2.c:2192
#50 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0xd49660,
event=0xb8d2a0, type=320) at gstpad.c:4983
#51 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0xd48940,
event=0xb8d2a0, type=320) at gstpad.c:4679
#52 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0xd48940, event=0xb8d2a0) at
gstpad.c:4802
#53 0x00007ffff39eb249 in gst_type_find_element_sink_event (pad=0xd48710,
parent=0xd680c0, event=0xb8d2a0) at gsttypefindelement.c:677
#54 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0xd48710,
event=0xb8d2a0, type=320) at gstpad.c:4983
#55 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0xd484e0,
event=0xb8d2a0, type=320) at gstpad.c:4679
#56 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0xd484e0, event=0xb8d2a0) at
gstpad.c:4802
#57 0x00007ffff3a395ab in gst_base_src_perform_seek (src=0xd65a10,
event=0xb8d240, unlock=1) at gstbasesrc.c:1566
#58 0x00007ffff3a3a6d3 in gst_base_src_default_event (src=0xd65a10,
event=0xb8d240) at gstbasesrc.c:1899
#59 0x00007ffff3a3a840 in gst_base_src_event (pad=0xd484e0, parent=0xd65a10,
event=0xb8d240) at gstbasesrc.c:1951
#60 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0xd484e0,
event=0xb8d240, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#61 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0xd48710,
event=0xb8d240, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#62 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0xd48710, event=0xb8d240) at
gstpad.c:4802
#63 0x00007ffff39ea96c in gst_type_find_element_src_event (pad=0xd48940,
parent=0xd680c0, event=0xb8d240) at gsttypefindelement.c:519
#64 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0xd48940,
event=0xb8d240, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#65 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0xd49660,
event=0xb8d240, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#66 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0xd49660, event=0xb8d240) at
gstpad.c:4802
#67 0x00007ffff39e4d3a in gst_queue2_handle_src_event (pad=0xd49890,
parent=0x7fffe405e1c0, event=0xb8d240) at gstqueue2.c:2756
#68 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0xd49890,
event=0xb8d240, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#69 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0xd60c90,
event=0xb8d240, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#70 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0xd60c90, event=0xb8d240) at
gstpad.c:4802
#71 0x00007ffff3c67041 in event_forward_func (pad=0xd60c90,
data=0x7fffffff6ad0) at gstpad.c:2735
#72 0x00007ffff3c66e3a in gst_pad_forward (pad=0x7fffe405c040,
forward=0x7ffff3c66f09 <event_forward_func>, user_data=0x7fffffff6ad0) at
gstpad.c:2689
#73 0x00007ffff3c671f3 in gst_pad_event_default (pad=0x7fffe405c040,
parent=0xd60c90, event=0xb8d240) at gstpad.c:2786
#74 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffe405c040,
event=0xb8d240, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#75 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0xd49200,
event=0xb8d240, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#76 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0xd49200, event=0xb8d240) at
gstpad.c:4802
#77 0x00007ffff39ea96c in gst_type_find_element_src_event (pad=0xd49430,
parent=0xd68800, event=0xb8d240) at gsttypefindelement.c:519
#78 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0xd49430,
event=0xb8d240, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#79 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0xd49ac0,
event=0xb8d240, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#80 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0xd49ac0, event=0xb8d240) at
gstpad.c:4802
#81 0x00007fffe2e35677 in perform_seek_to_offset (demux=0x7fffe80bc050, rate=1,
offset=694634) at matroska-demux.c:4603
#82 0x00007fffe2e2b30b in gst_matroska_demux_handle_seek_push
(demux=0x7fffe80bc050, pad=0xd49cf0, event=0xb8d1e0) at matroska-demux.c:2280
#83 0x00007fffe2e2b44a in gst_matroska_demux_handle_src_event (pad=0xd49cf0,
parent=0x7fffe80bc050, event=0xb8d1e0) at matroska-demux.c:2308
#84 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0xd49cf0,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#85 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffe80be080,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#86 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffe80be080,
event=0xb8d1e0) at gstpad.c:4802
#87 0x00007ffff39d05b2 in gst_multi_queue_src_event (pad=0x7fffe80be2b0,
parent=0x7fffe80c7070, event=0xb8d1e0) at gstmultiqueue.c:1692
#88 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffe80be2b0,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#89 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffe80be4e0,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#90 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffe80be4e0,
event=0xb8d1e0) at gstpad.c:4802
#91 0x00007ffff3ad7823 in gst_video_decoder_src_event_default
(decoder=0x7fffe80ce0a0, event=0xb8d1e0) at gstvideodecoder.c:1292
#92 0x00007ffff3ad7d0e in gst_video_decoder_src_event (pad=0x7fffe80be710,
parent=0x7fffe80ce0a0, event=0xb8d1e0) at gstvideodecoder.c:1376
#93 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffe80be710,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#94 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffe405cb80,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#95 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffe405cb80,
event=0xb8d1e0) at gstpad.c:4802
#96 0x00007ffff3c67041 in event_forward_func (pad=0x7fffe405cb80,
data=0x7fffffff7810) at gstpad.c:2735
#97 0x00007ffff3c66e3a in gst_pad_forward (pad=0x7fffe8008350,
forward=0x7ffff3c66f09 <event_forward_func>, user_data=0x7fffffff7810) at
gstpad.c:2689
#98 0x00007ffff3c671f3 in gst_pad_event_default (pad=0x7fffe8008350,
parent=0xd60a30, event=0xb8d1e0) at gstpad.c:2786
#99 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffe8008350,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#100 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffe405d240,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#101 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffe405d240,
event=0xb8d1e0) at gstpad.c:4802
#102 0x00007ffff3c67041 in event_forward_func (pad=0x7fffe405d240,
data=0x7fffffff7b30) at gstpad.c:2735
#103 0x00007ffff3c66e3a in gst_pad_forward (pad=0xd613b0,
forward=0x7ffff3c66f09 <event_forward_func>, user_data=0x7fffffff7b30) at
gstpad.c:2689
#104 0x00007ffff3c671f3 in gst_pad_event_default (pad=0xd613b0,
parent=0xd600b0, event=0xb8d1e0) at gstpad.c:2786
#105 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0xd613b0,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#106 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffc00b81d0,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#107 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffc00b81d0,
event=0xb8d1e0) at gstpad.c:4802
#108 0x00007ffff39c9553 in gst_input_selector_event (pad=0x7fffe810b210,
parent=0x7fffd80037e0, event=0xb8d1e0) at gstinputselector.c:1495
#109 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffe810b210,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#110 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffc00c20e0,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#111 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffc00c20e0,
event=0xb8d1e0) at gstpad.c:4802
#112 0x00007ffff3c67041 in event_forward_func (pad=0x7fffc00c20e0,
data=0x7fffffff8090) at gstpad.c:2735
#113 0x00007ffff3c66e3a in gst_pad_forward (pad=0x7fffc00be240,
forward=0x7ffff3c66f09 <event_forward_func>, user_data=0x7fffffff8090) at
gstpad.c:2689
#114 0x00007ffff3c671f3 in gst_pad_event_default (pad=0x7fffc00be240,
parent=0x7fffc00c20e0, event=0xb8d1e0) at gstpad.c:2786
#115 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffc00be240,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#116 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffbc0296b0,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#117 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffbc0296b0,
event=0xb8d1e0) at gstpad.c:4802
#118 0x00007ffff3bd8645 in gst_stream_synchronizer_src_event
(pad=0x7fffbc0298e0, parent=0xbf6000, event=0xb8d1e0) at
gststreamsynchronizer.c:221
#119 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffbc0298e0,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#120 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffc00c2f20,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#121 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffc00c2f20,
event=0xb8d1e0) at gstpad.c:4802
#122 0x00007ffff3c67041 in event_forward_func (pad=0x7fffc00c2f20,
data=0x7fffffff8680) at gstpad.c:2735
#123 0x00007ffff3c66e3a in gst_pad_forward (pad=0x7fffc00beb40,
forward=0x7ffff3c66f09 <event_forward_func>, user_data=0x7fffffff8680) at
gstpad.c:2689
#124 0x00007ffff3c671f3 in gst_pad_event_default (pad=0x7fffc00beb40,
parent=0x7fffc00c2f20, event=0xb8d1e0) at gstpad.c:2786
#125 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffc00beb40,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#126 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffbc029b10,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#127 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffbc029b10,
event=0xb8d1e0) at gstpad.c:4802
#128 0x00007ffff3a45a52 in gst_base_transform_src_eventfunc
(trans=0x7fffbc05f800, event=0xb8d1e0) at gstbasetransform.c:1909
#129 0x00007ffff3a45953 in gst_base_transform_src_event (pad=0x7fffbc029d40,
parent=0x7fffbc05f800, event=0xb8d1e0) at gstbasetransform.c:1876
#130 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffbc029d40,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#131 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffbc066120,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#132 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffbc066120,
event=0xb8d1e0) at gstpad.c:4802
#133 0x00007ffff3c67041 in event_forward_func (pad=0x7fffbc066120,
data=0x7fffffff8c10) at gstpad.c:2735
#134 0x00007ffff3c66e3a in gst_pad_forward (pad=0x7fffbc066350,
forward=0x7ffff3c66f09 <event_forward_func>, user_data=0x7fffffff8c10) at
gstpad.c:2689
#135 0x00007ffff3c671f3 in gst_pad_event_default (pad=0x7fffbc066350,
parent=0x7fffbc064350, event=0xb8d1e0) at gstpad.c:2786
#136 0x00007fffe1167a89 in gst_deinterlace_src_event (pad=0x7fffbc066350,
parent=0x7fffbc064350, event=0xb8d1e0) at gstdeinterlace.c:2720
#137 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffbc066350,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#138 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffc00bed80,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#139 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffc00bed80,
event=0xb8d1e0) at gstpad.c:4802
#140 0x00007ffff3c67041 in event_forward_func (pad=0x7fffc00bed80,
data=0x7fffffff8fa0) at gstpad.c:2735
#141 0x00007ffff3c66e3a in gst_pad_forward (pad=0x7fffc00c3180,
forward=0x7ffff3c66f09 <event_forward_func>, user_data=0x7fffffff8fa0) at
gstpad.c:2689
#142 0x00007ffff3c671f3 in gst_pad_event_default (pad=0x7fffc00c3180,
parent=0x7fffe80db850, event=0xb8d1e0) at gstpad.c:2786
#143 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffc00c3180,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#144 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffc00c2cc0,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#145 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffc00c2cc0,
event=0xb8d1e0) at gstpad.c:4802
#146 0x00007ffff3c67041 in event_forward_func (pad=0x7fffc00c2cc0,
data=0x7fffffff92c0) at gstpad.c:2735
#147 0x00007ffff3c66e3a in gst_pad_forward (pad=0x7fffc00be900,
forward=0x7ffff3c66f09 <event_forward_func>, user_data=0x7fffffff92c0) at
gstpad.c:2689
#148 0x00007ffff3c671f3 in gst_pad_event_default (pad=0x7fffc00be900,
parent=0x7fffc00c2cc0, event=0xb8d1e0) at gstpad.c:2786
#149 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffc00be900,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#150 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffe810bad0,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#151 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffe810bad0,
event=0xb8d1e0) at gstpad.c:4802
#152 0x00007ffff3c67041 in event_forward_func (pad=0x7fffe810bad0,
data=0x7fffffff95e0) at gstpad.c:2735
#153 0x00007ffff3c66e3a in gst_pad_forward (pad=0x7fffe810bd00,
forward=0x7ffff3c66f09 <event_forward_func>, user_data=0x7fffffff95e0) at
gstpad.c:2689
#154 0x00007ffff3c671f3 in gst_pad_event_default (pad=0x7fffe810bd00,
parent=0x7fffc00b8d90, event=0xb8d1e0) at gstpad.c:2786
#155 0x00007ffff39d7ba7 in gst_queue_handle_src_event (pad=0x7fffe810bd00,
parent=0x7fffc00b8d90, event=0xb8d1e0) at gstqueue.c:1299
#156 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffe810bd00,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#157 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffc00c2800,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#158 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffc00c2800,
event=0xb8d1e0) at gstpad.c:4802
#159 0x00007ffff3c67041 in event_forward_func (pad=0x7fffc00c2800,
data=0x7fffffff9960) at gstpad.c:2735
#160 0x00007ffff3c66e3a in gst_pad_forward (pad=0x7fffc00be480,
forward=0x7ffff3c66f09 <event_forward_func>, user_data=0x7fffffff9960) at
gstpad.c:2689
#161 0x00007ffff3c671f3 in gst_pad_event_default (pad=0x7fffc00be480,
parent=0x7fffc00c2800, event=0xb8d1e0) at gstpad.c:2786
#162 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffc00be480,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#163 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffbc029250,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#164 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffbc029250,
event=0xb8d1e0) at gstpad.c:4802
#165 0x00007ffff3a45a52 in gst_base_transform_src_eventfunc
(trans=0x7fffbc05a400, event=0xb8d1e0) at gstbasetransform.c:1909
#166 0x00007ffff3a45953 in gst_base_transform_src_event (pad=0x7fffbc029480,
parent=0x7fffbc05a400, event=0xb8d1e0) at gstbasetransform.c:1876
#167 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffbc029480,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#168 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffbc029020,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#169 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffbc029020,
event=0xb8d1e0) at gstpad.c:4802
#170 0x00007ffff3a45a52 in gst_base_transform_src_eventfunc
(trans=0x7fffbc05d440, event=0xb8d1e0) at gstbasetransform.c:1909
#171 0x00007fffe11987fe in gst_video_scale_src_event (trans=0x7fffbc05d440,
event=0xb8d1e0) at gstvideoscale.c:1485
#172 0x00007ffff3a45953 in gst_base_transform_src_event (pad=0x7fffbc028df0,
parent=0x7fffbc05d440, event=0xb8d1e0) at gstbasetransform.c:1876
#173 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffbc028df0,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#174 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffbc028530,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#175 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffbc028530,
event=0xb8d1e0) at gstpad.c:4802
#176 0x00007ffff3a45a52 in gst_base_transform_src_eventfunc
(trans=0x7fffbc033800, event=0xb8d1e0) at gstbasetransform.c:1909
#177 0x00007ffff3a45953 in gst_base_transform_src_event (pad=0x7fffbc028760,
parent=0x7fffbc033800, event=0xb8d1e0) at gstbasetransform.c:1876
#178 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffbc028760,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#179 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffbc028bc0,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#180 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffbc028bc0,
event=0xb8d1e0) at gstpad.c:4802
#181 0x00007ffff3a45a52 in gst_base_transform_src_eventfunc
(trans=0x7fffbc05dd60, event=0xb8d1e0) at gstbasetransform.c:1909
#182 0x00007ffff3a45953 in gst_base_transform_src_event (pad=0x7fffbc028990,
parent=0x7fffbc05dd60, event=0xb8d1e0) at gstbasetransform.c:1876
#183 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffbc028990,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#184 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0x7fffc00be6c0,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#185 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0x7fffc00be6c0,
event=0xb8d1e0) at gstpad.c:4802
#186 0x00007ffff3c67041 in event_forward_func (pad=0x7fffc00be6c0,
data=0x7fffffffa6a0) at gstpad.c:2735
#187 0x00007ffff3c66e3a in gst_pad_forward (pad=0x7fffc00c2a60,
forward=0x7ffff3c66f09 <event_forward_func>, user_data=0x7fffffffa6a0) at
gstpad.c:2689
#188 0x00007ffff3c671f3 in gst_pad_event_default (pad=0x7fffc00c2a60,
parent=0x7fffbc02c000, event=0xb8d1e0) at gstpad.c:2786
#189 0x00007ffff3c6dca8 in gst_pad_send_event_unchecked (pad=0x7fffc00c2a60,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4983
#190 0x00007ffff3c6cee7 in gst_pad_push_event_unchecked (pad=0xd482b0,
event=0xb8d1e0, type=GST_PAD_PROBE_TYPE_EVENT_UPSTREAM) at gstpad.c:4679
#191 0x00007ffff3c6d3ad in gst_pad_push_event (pad=0xd482b0, event=0xb8d1e0) at
gstpad.c:4802
#192 0x00007ffff3a32be6 in gst_base_sink_send_event (element=0xd57640,
event=0xb8d1e0) at gstbasesink.c:4290
#193 0x00007ffff3c478a6 in gst_element_send_event (element=0xd57640,
event=0xb8d1e0) at gstelement.c:1564
#194 0x00007ffff3c24fc1 in gst_bin_send_event (element=0x7fffe80db6b0,
event=0xb8d1e0) at gstbin.c:2783
#195 0x00007ffff3c478a6 in gst_element_send_event (element=0x7fffe80db6b0,
event=0xb8d1e0) at gstelement.c:1564
#196 0x00007ffff3bc9273 in gst_play_sink_send_event_to_sink (playsink=0xd3c040,
event=0xb8d1e0) at gstplaysink.c:4351
#197 0x00007ffff3bc94f2 in gst_play_sink_send_event (element=0xd3c040,
event=0xb8d1e0) at gstplaysink.c:4393
#198 0x00007ffff3c478a6 in gst_element_send_event (element=0xd3c040,
event=0xb8d1e0) at gstelement.c:1564
#199 0x00007ffff3c24fc1 in gst_bin_send_event (element=0xbf2ca0,
event=0xb8d1e0) at gstbin.c:2783
#200 0x00007ffff3c478a6 in gst_element_send_event (element=0xbf2ca0,
event=0xb8d1e0) at gstelement.c:1564
#201 0x00007ffff3c479a6 in gst_element_seek (element=0xbf2ca0, rate=1,
format=GST_FORMAT_TIME, flags=GST_SEEK_FLAG_FLUSH,
start_type=GST_SEEK_TYPE_SET, start=0, stop_type=GST_SEEK_TYPE_NONE, stop=0) at
gstelement.c:1604
#202 0x00007ffff3caa84f in gst_element_seek_simple (element=0xbf2ca0,
format=GST_FORMAT_TIME, seek_flags=GST_SEEK_FLAG_FLUSH, seek_pos=0) at
gstutils.c:2271
#203 0x00007ffff4b84a14 in ffi_call_unix64 () from
/usr/lib/x86_64-linux-gnu/libffi.so.6
#204 0x00007ffff4b84435 in ffi_call () from
/usr/lib/x86_64-linux-gnu/libffi.so.6
#205 0x00007ffff5a2ca59 in ?? () from /usr/lib/libgirepository-1.0.so.1
#206 0x00007ffff5a2de0e in g_function_info_invoke () from
/usr/lib/libgirepository-1.0.so.1
#207 0x00007ffff5c880a8 in ?? () from
/usr/lib/python3/dist-packages/gi/_gi.cpython-32mu.so
#208 0x000000000045dbb9 in PyEval_EvalFrameEx ()
#209 0x000000000046038d in PyEval_EvalCodeEx ()
#210 0x000000000045c2c7 in PyEval_EvalFrameEx ()
#211 0x000000000045fedd in PyEval_EvalCodeEx ()
#212 0x0000000000522a63 in ?? ()
#213 0x000000000041ed77 in PyObject_Call ()
#214 0x00000000005129f3 in ?? ()
#215 0x000000000041ed77 in PyObject_Call ()
#216 0x0000000000457866 in PyEval_CallObjectWithKeywords ()
#217 0x00007ffff52dc68b in _pyglib_handler_marshal () from
/usr/lib/libpyglib-gi-2.0-python3.2.so.0
#218 0x00007ffff552791b in g_timeout_dispatch (source=0xd5c270,
callback=<optimized out>, user_data=<optimized out>) at
/build/buildd/glib2.0-2.32.3/./glib/gmain.c:3882
#219 0x00007ffff5526d53 in g_main_dispatch (context=0xd58070) at
/build/buildd/glib2.0-2.32.3/./glib/gmain.c:2539
#220 g_main_context_dispatch (context=0xd58070) at
/build/buildd/glib2.0-2.32.3/./glib/gmain.c:3075
#221 0x00007ffff55270a0 in g_main_context_iterate (dispatch=1, block=<optimized
out>, context=0xd58070, self=<optimized out>) at
/build/buildd/glib2.0-2.32.3/./glib/gmain.c:3146
#222 g_main_context_iterate (context=0xd58070, block=<optimized out>,
dispatch=1, self=<optimized out>) at
/build/buildd/glib2.0-2.32.3/./glib/gmain.c:3083
#223 0x00007ffff552749a in g_main_loop_run (loop=0xd57cc0) at
/build/buildd/glib2.0-2.32.3/./glib/gmain.c:3340
#224 0x00007ffff40f5061 in ?? () from
/usr/lib/python3/dist-packages/gi/_glib/_glib.cpython-32mu.so
#225 0x000000000045c2ec in PyEval_EvalFrameEx ()
#226 0x000000000045bcd7 in PyEval_EvalFrameEx ()
#227 0x000000000045bcd7 in PyEval_EvalFrameEx ()
#228 0x000000000045fedd in PyEval_EvalCodeEx ()
#229 0x0000000000460a4b in PyEval_EvalCode ()
#230 0x0000000000480b95 in ?? ()
#231 0x0000000000482641 in PyRun_FileExFlags ()
#232 0x00000000004830a9 in PyRun_SimpleFileExFlags ()
#233 0x0000000000493e23 in Py_Main ()
#234 0x000000000041d307 in main ()
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