UDP streaming h264 in mpeg2-ts

Tom Buysschaert tom.buysschaert at dzine.be
Wed Jun 13 02:05:31 PDT 2012


Hi all,

After upgrading to gstreamer 0.10.36 (and latest plugins) i encounter some
problems playing UDP streams.

Using VLC i send a UDP multicast stream of h264 video/AAC audio encapsulated
in a MPEG2 transport stream over the network.
Using gstreamer playbin2 i try to play this incoming UDP stream:

 - GST_DEBUG=3 gst-launch-0.10 -v playbin2 uri=udp://239.192.0.4:1234
 
This setup worked like a charm on my kubuntu 11.10. But after upgrading to
kubuntu 12.04 with gstreamer 0.10.36 (and latest plugins) this stream
doesn't start playing anymore. Debug logs shows me following warning:

WARN mpegtsdemux
gstmpegtsdemux.c:3104:gst_mpegts_demux_src_pad_query:<mpegtsdemux0>
unsupported query format or no bitrate yet to approximate duration from
bytes

Any ideas what can be the problem here? Are there some known bugs involving
UDP streaming in gstreamer 0.10.36 (and latest plugins)?

Hope you can help me. Any feedback is welcome.

Best regards,
Tom

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