[Bug 751508] jerky sound on some multicast streams

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=751508

--- Comment #13 from Jan ONDREJ (SAL) <ondrejj at salstar.sk> ---
Confirming reproduction with you gst-launch command.

Trying to experience with min-threshold-time directly on my udp stream:

gst-launch-1.0 udpsrc address=232.232.64.119 port=5004 ! queue
min-threshold-time=1 ! decodebin name=dec dec. ! queue ! pulsesink dec. ! queue
! xvimagesink

Here are results for different threshold times:

0 - jamming
1 - 500000 - playing well, it's enough to set it to 1
>5000000 - nothing happens, no video/audio opened, waited more than 10 seconds

Trying to set buffering (flag 0x100), buffer-duration, but doesn't help
(python):

      self.playbin.set_property("flags",
        0x001 # render video
        | 0x002 # render audio
        | 0x004 * int(bool(self.subtitle_files)) # render subtitles
        | 0x008 # audio visualization
        #| 0x010 # soft volume
        | 0x080 # progressive download buffering
        # buffering will break playing of large mkv files
        | 0x100 # buffering
        | 0x200 # deinterlace
        #| 0x400 # soft-colorbalance
      )
      #self.playbin.set_property("buffer-size", 100*1048576) # 100 MB
      self.playbin.set_property("buffer-duration", 10*nanosecond) # 10s

Because this worked well with gst-1.4.5, I think this should work with newer
versions too.

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