[gst-devel] trying to get to "hello world" with RTP

Tristan Matthews tristan at sat.qc.ca
Fri Sep 3 02:09:52 CEST 2010


2010/9/2 Bert Douglas <bertd at tplogic.com>

> Hi All,
>
> Trying to get some basic rtp working.  No luck.
> Thanks for looking.
>
> --------------------------------------------------------
>
> # rtp-source
> gst-launch  \
>       videotestsrc pattern=snow \
>    !  video/x-raw-rgb, width=400, height=300, frame-rate=10/1 \
>    !  rtpvrawpay \
>    !  udpsink host=127.0.0.1 port=51234
>
>
> # rtp-sink
> gst-launch  \
>       udpsrc uri=udp://127.0.0.1:51234 \
>    !  rtpvrawdepay \
>    !  video/x-raw-rgb, width=400, height=300, frame-rate=10/1 \
>    !  ffmpegcolorspace \
>    !  ximagesink
>
>
>
You need to specify the caps property on your "rtp-sink" property.
See gst-plugins-good/tests/examples/rtp/client-H264.sh and the other rtp
examples in that directory.




> bertd at bertd-laptop:~/gstreamer/panocam$ . rtp-sink.sh
> Setting pipeline to PAUSED ...
> Pipeline is live and does not need PREROLL ...
> Setting pipeline to PLAYING ...
> New clock: GstSystemClock
> ERROR: from element /GstPipeline:pipeline0/GstRtpVRawDepay:rtpvrawdepay0:
> Internal GStreamer error: negotiation problem.  Please file a bug at
> http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer.
> Additional debug info:
> gstbasertpdepayload.c(361): gst_base_rtp_depayload_chain ():
> /GstPipeline:pipeline0/GstRtpVRawDepay:rtpvrawdepay0:
> Not RTP format was negotiated
> Execution ended after 12744218 ns.
> Setting pipeline to PAUSED ...
> Setting pipeline to READY ...
> Setting pipeline to NULL ...
> Freeing pipeline ...
>
>
>
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-- 
Tristan Matthews
email: tristan at sat.qc.ca
web: http://tristanswork.blogspot.com
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