[Bug 764905] rtspsrc stops playback after a while

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=764905

--- Comment #8 from Marcin Lewandowski <marcin at saepia.net> ---
I have found another pattern. I can't say whether this behaviour is justified
or not, but I prefer to share.

When playback stops to occur, messages from level stop being emitted.
rtspsession however keeps posting such message once per second:

/GstPipeline:pipeline0/GstRTSPSrc:rtspsrc0/GstRtpBin:manager/GstRtpSession:rtpsession0:
stats = "application/x-rtp-session-stats\,\ rtx-drop-count\=\(uint\)0\,\
sent-nack-count\=\(uint\)0\,\ recv-nack-count\=\(uint\)0\,\
source-stats\=\(GValueArray\)NULL\,\ rtx-count\=\(uint\)0\;"


If then I attach debugger and keep it attached for a while (+/- minute or more)
once I detach, the EOS is emitted:


Got message #3223 from element "level0" (element): level,
endtime=(guint64)300040000000, timestamp=(guint64)300019433997,
stream-time=(guint64)300000000000, running-time=(guint64)300019433997,
duration=(guint64)40000000, rms=(GValueArray)NULL, peak=(GValueArray)NULL,
decay=(GValueArray)NULL;
/GstPipeline:pipeline0/GstRTSPSrc:rtspsrc0/GstRtpBin:manager/GstRtpSession:rtpsession0:
stats = "application/x-rtp-session-stats\,\ rtx-drop-count\=\(uint\)0\,\
sent-nack-count\=\(uint\)0\,\ recv-nack-count\=\(uint\)0\,\
source-stats\=\(GValueArray\)NULL\,\ rtx-count\=\(uint\)0\;"
Got message #3221 from element "pipeline0" (eos): no message details
Got EOS from element "pipeline0".
Execution ended after 0:09:10.356259000
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...


If I don't attach the debugger or attach it for very short time the pipeline
remains hanged forever.

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