[Bug 701997] New: [regression] playbin: loses audio clock and hangs when switching songs after about-to-finish

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=701997
  GStreamer | gst-plugins-base | git

           Summary: [regression] playbin: loses audio clock and hangs when
                    switching songs after about-to-finish
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: NEW
          Severity: blocker
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: t.i.m at zen.co.uk
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


This is a regression in git master I believe:

tpm at zingle:~/gst/glib-git/gst-plugins-base/tests/icles/playback$ ./test7
file:///home/tpm/music/Daft\ Punk\ -\ Alive\ 2007/01-Daft\ Punk\ -\ Robot\
Rock\ -\ Oh\ Yeah.mp3 file:///home/tpm/music/Daft\ Punk\ -\ Alive\
2007/02-Daft\ Punk\ -\ Touch\ It\ -\ Technologic.mp3 

NEW CLOCK: GstPulseSinkClock
0:00:00.000000000 / 0:06:27.918367346
0:00:00.263087000 / 0:06:27.918367346
...
0:06:25.497557000 / 0:06:27.918367346
0:06:25.998394000 / 0:06:27.918367346
CLOCK LOST: GstPulseSinkClock
NEW CLOCK: GstSystemClock
-:--:--.--------- / 0:05:29.769795918
-:--:--.--------- / 0:05:29.769795918
-:--:--.--------- / 0:05:29.769795918
-:--:--.--------- / 0:05:29.769795918

Note the switch of clock here.

(There's another issue which I noticed in totem which doesn't use
about-to-finish, and that's that when switching to the second song the song
stutters as if someone kept the 'p' key pressed for pause/play/pause/play etc..
Might be related.).

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