[Bug 685273] New: Pre-rolling on GAP events doesn't work properly for audio sinks

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=685273
  GStreamer | gst-plugins-base | git

           Summary: Pre-rolling on GAP events doesn't work properly for
                    audio sinks
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: thaytan at mad.scientist.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=225570)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=225570)
Log file

I have a problem in DVD playback where jumping from a menu into the movie with
no audio sends a gap event to the audio sink to trigger preroll but the
pipeline never resumes. It looks to me that the audio clock never starts
running again, even though the pipeline has gone back to PLAYING state.

This pipeline fails:

gst-launch-1.0 rsndvdbin name=s ! dvdspu ! xvimagesink   s. ! dvdspu0. s. !
pulsesink

This one, using the system clock, works fine:

gst-launch-1.0 rsndvdbin name=s ! dvdspu ! xvimagesink   s. ! dvdspu0. s. !
pulsesink provide-clock=false

Log attached.

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