[Bug 781724] New: qtdemux: SEEK_TYPE_NONE seeks cause assertions

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=781724

            Bug ID: 781724
           Summary: qtdemux: SEEK_TYPE_NONE seeks cause assertions
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: slomo at coaxion.net
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

GStreamer-CRITICAL **: gst_segment_to_running_time_full: assertion 'stop >=
offset' failed


print *segment
$1 = {
  flags = GST_SEGMENT_FLAG_RESET, 
  rate = -1, 
  applied_rate = 1, 
  format = GST_FORMAT_TIME, 
  base = 0, 
  offset = 70166666666, 
  start = 44250259825, 
  stop = 49900000000, 
  time = 44183593159, 
  position = 49900000000, 
  duration = 18446744073709551615, 
  _gst_reserved = {0x0, 0x0, 0x0, 0x0}
}

Can be reproduced by doing normal seeks together with SEEK_TYPE_NONE seeks to
reverse playback direction.


#0  0x00007ffff758c261 in _g_log_abort (breakpoint=breakpoint at entry=1) at
././glib/gmessages.c:509
#1  0x00007ffff758d66d in g_logv (log_domain=0x7ffff7b73f30
<g_log_domain_gstreamer> "GStreamer", log_level=G_LOG_LEVEL_CRITICAL,
format=<optimized out>, args=args at entry=0x7ffff22c6780) at
././glib/gmessages.c:1318
#2  0x00007ffff758d7cf in g_log (log_domain=<optimized out>,
log_level=<optimized out>, format=<optimized out>)
    at ././glib/gmessages.c:1359
#3  0x00007ffff7b3a862 in gst_segment_to_running_time_full
(segment=0x7fffe4005e10, format=GST_FORMAT_TIME, position=49900000000,
running_time=0x7ffff22c68d0) at gstsegment.c:757
#4  0x00007ffff421b326 in my_segment_to_running_time (val=<optimized out>,
segment=0x7fffe4005e10)
    at gstmultiqueue.c:422
#5  0x00007ffff421b326 in update_time_level (mq=mq at entry=0x7fffe4006070
[GstMultiQueue], sq=sq at entry=0x7fffe4005de0) at gstmultiqueue.c:1342
#6  0x00007ffff421b985 in apply_segment (mq=0x7fffe4006070 [GstMultiQueue],
sq=0x7fffe4005de0, event=<optimized out>, segment=0x7fffe4005e10) at
gstmultiqueue.c:1451
#7  0x00007ffff421be26 in gst_multi_queue_sink_event
(pad=pad at entry=0x555555987470 [GstMultiQueuePad],
parent=parent at entry=0x7fffe4006070 [GstMultiQueue],
event=event at entry=0x7fffe418a430) at gstmultiqueue.c:2320
#8  0x00007ffff7b15147 in gst_pad_send_event_unchecked
(pad=pad at entry=0x555555987470 [GstMultiQueuePad],
event=event at entry=0x7fffe418a430, type=<optimized out>,
type at entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:5607
#9  0x00007ffff7b15a2d in gst_pad_push_event_unchecked
(pad=pad at entry=0x555555987230 [GstPad], event=0x7fffe418a430,
type=type at entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:5264
#10 0x00007ffff7b15d99 in push_sticky (pad=pad at entry=0x555555987230 [GstPad],
ev=ev at entry=0x7ffff22c6b70, user_data=user_data at entry=0x7ffff22c6bd0) at
gstpad.c:3807
#11 0x00007ffff7b13b57 in events_foreach (pad=pad at entry=0x555555987230
[GstPad], func=func at entry=0x7ffff7b15ce0 <push_sticky>,
user_data=user_data at entry=0x7ffff22c6bd0) at gstpad.c:604
#12 0x00007ffff7b1f71f in check_sticky (event=0x7fffe418a430,
pad=0x555555987230 [GstPad]) at gstpad.c:3864
#13 0x00007ffff7b1f71f in gst_pad_push_event (pad=0x555555987230 [GstPad],
event=0x7fffe418a430)
    at gstpad.c:5395
#14 0x00007ffff2705bae in gst_qtdemux_stream_update_segment
(qtdemux=qtdemux at entry=0x7fffec188af0 [GstQTDemux],
stream=stream at entry=0x7fffe400e400, seg_idx=seg_idx at entry=0,
offset=offset at entry=49833333334, _start=_start at entry=0x7ffff22c6cb0,
_stop=_stop at entry=0x7ffff22c6cb8) at qtdemux.c:4765
#15 0x00007ffff271685b in gst_qtdemux_activate_segment
(qtdemux=qtdemux at entry=0x7fffec188af0 [GstQTDemux],
stream=stream at entry=0x7fffe400e400, seg_idx=0, offset=offset at entry=49833333334)
at qtdemux.c:4798
#16 0x00007ffff272ae35 in gst_qtdemux_prepare_current_sample
(keyframe=<synthetic pointer>, duration=<synthetic pointer>, pts=<synthetic
pointer>, dts=<synthetic pointer>, size=<synthetic pointer>, offset=<synthetic
pointer>, empty=<synthetic pointer>, stream=0x7fffe400e400,
qtdemux=0x7fffec188af0 [GstQTDemux]) at qtdemux.c:4922
---Type <return> to continue, or q <return> to quit---
#17 0x00007ffff272ae35 in gst_qtdemux_loop_state_movie (qtdemux=0x7fffec188af0
[GstQTDemux]) at qtdemux.c:5746
#18 0x00007ffff272ae35 in gst_qtdemux_loop (pad=0x555555986930 [GstPad]) at
qtdemux.c:5925
#19 0x00007ffff7b496d9 in gst_task_func (task=0x55555598a710 [GstTask]) at
gsttask.c:335
#20 0x00007ffff75aedce in g_thread_pool_thread_proxy (data=<optimized out>) at
././glib/gthreadpool.c:307
#21 0x00007ffff75ae3d5 in g_thread_proxy (data=0x7fffec187280) at
././glib/gthread.c:784
#22 0x00007ffff5ff9494 in start_thread (arg=0x7ffff22c7700) at
pthread_create.c:333
#23 0x00007ffff728693f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:97

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