[Bug 696893] New: Playback stalls whenever visualisation is enabled/disabled using playbin's flag property

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=696893
  GStreamer | gst-plugins-base | 1.x

           Summary: Playback stalls whenever visualisation is
                    enabled/disabled using playbin's flag property
    Classification: Platform
           Product: GStreamer
           Version: 1.x
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: yogeshm.007 at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=240154)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=240154)
Output with GST_DEBUG=3

Whenever I try to dynamically (i.e. to say while pipeline is in playing state)
enable/disable visualisation using playbin's flag property, playback stops and
pipeline stalls, though it can be forced to again play after seeking to any
position in the track.

This happens every time I try.

Running with GST_DEBUG=3 (log attached) is not showing any unusual activity and
output with GST_DEBUG=5 (log too big to attach ~18 MB after compressing) is too
much for me to understand.

I'm on latest stable release and as far as I remember I've seen this behaviour
throughout 1.x (Since I's porting from 0.8, I's not sure if the bug was in my
code or gstreamer's, so I resisted to lodge a bug report earlier). I'd asked
this earlier on the list also and was informed of a bug listed here, but I
could not find it. If someone can reproduce/confirm this behaviour/bug, it'll
give my mind some peace ;-)

Please feel free to ask for any further input you may need :-)

Thanks

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