[Bug 744420] splitmuxsink - Deadlock on while starting 2nd fragment on function gst_element_sync_state_with_parent

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=744420

--- Comment #3 from Damian Ziobro <memento1987 at interia.pl> ---
---------- Interesting observation --------------

This deadlock occurs only when I am dumping .dot files during processing.
Please note difference between Pipeline1 and Pipeline2 below.

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Pipeline1 - Deadlock occurs:
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GST_DEBUG_DUMP_DOT_DIR=/tmp GST_DEBUG=splitmuxsink:4 gst-launch-1.0
videotestsrc ! x264enc ! h264parse ! splitmuxsink location=file%02d.mp4
max-size-time=3000000000 max-files=2

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Pipeline2 - Deadlock DOES NOT occur:
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GST_DEBUG=splitmuxsink:4 gst-launch-1.0 videotestsrc ! x264enc ! h264parse !
splitmuxsink location=file%02d.mp4 max-size-time=3000000000 max-files=2

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