[Bug 729008] New: inconsistent behavior of decklinksink

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=729008
  GStreamer | gst-plugins-bad | 1.2.2

           Summary: inconsistent behavior of decklinksink
    Classification: Platform
           Product: GStreamer
           Version: 1.2.2
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: critical
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: raju.babannavar at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


I am using gstreamer-1.2.2 version. Currently I am doing decklinksink testing.
These are the two pipelines I am using for testing. Each pipeline is run on
different machine.

Pipeline1: File input and UDP output.
gst-launch-1.0 filesrc location=<file path> ! decodebin name=demux !
deinterlace mode=0 fields=1 method=4 tff=0 ! videoconvert ! videoscale !
x264enc ! mpegtsmux name=mux ! rndbuffersize min=1316 max=1316 ! udpsink
host=192.168.2.150 port=7766 demux.! tee ! queue ! audioconvert ! audioresample
! volume ! rsenc_aac ! mux.

Pipeline2: UDP input and SDI output.
gst-launch-1.0 udpsrc port=7766 ! tee ! queue ! decodebin name=demux !
deinterlace mode=0 fields=1 method=4 tff=0 ! videoconvert ! tee ! queue !
videorate ! avvideoscale ! decklinksink device-number=1 mode=10 name=sink
demux.! tee ! queue ! audioconvert ! audioresample ! volume ! sink.

The output of decklinksink is seen on standard SDI Monitor.

Issues facing: 
1. I will start pipeline1 first and after 1 min I will start the pipeline2. In
this case video freezes on the output but audio plays.
2. If I start the pipeline1 first and pipeline2 after 1 min then video plays
very fast and there will be no AVsync.

Is anybody else facing this issue?? Is this bug exist in the latest version
also. Please help me in understanding this decklinksink behavior. Many thanks
in advance.

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