[gst-devel] simple raw video RTP -- still no joy

[Bert Douglas]

Thanks much to Wim for the excellent pointer.

--Bert

On Fri, Sep 3, 2010 at 3:10 AM, Wim Taymans <wim.taymans at gmail.com> wrote:

> On Thu, 2010-09-02 at 23:54 -0500, Bert Douglas wrote:
> > Tristan tried to help me.  I tried setting caps as recommended. Still
> > not working.
>
> You're doing it wrong. read the instructions in this document carefully:
>
>
> http://cgit.freedesktop.org/gstreamer/gst-plugins-good/tree/gst/rtp/README#n251
>
> Wim
>
>
> > Thanks for looking.
> >
> > # rtp-server
> > gst-launch  \
> >       videotestsrc pattern=red \
> >    !  video/x-raw-rgb, format=\(fourcc\)RGB, width=4, height=4,
> > frame-rate=1/1 \
> >    !  rtpvrawpay \
> >    !  udpsink host=127.0.0.1 port=51234
> >
> > # rtp-client
> >
> CAPS="application/x-rtp,media=(string)video,clock-rate=(int)90000,encoding-name=(string)RAW,"
> > CAPS=
> > $CAPS"sampling=(string)RGB,depth=(int)8,width=(int)4,height=(int)4"
> > gst-launch  \
> >       udpsrc uri=udp://127.0.0.1:51234 caps=$CAPS \
> >    !  rtpvrawdepay \
> >    !  video/x-raw-rgb, format=\(fourcc\)RGB, width=4, height=4,
> > frame-rate=1/1 \
> >    !  ffmpegcolorspace \
> >    !  ximagesink
> >
> > Setting pipeline to PAUSED ...
> > Pipeline is live and does not need PREROLL ...
> > Setting pipeline to PLAYING ...
> > New clock: GstSystemClock
> > 0:00:00.056868267 14918      0x1188c90 ERROR           rtpvrawdepay
> > gstrtpvrawdepay.c:240:gst_rtp_vraw_depay_setcaps:<rtpvrawdepay0> no
> > width specified
> > ERROR: from element /GstPipeline:pipeline0/GstUDPSrc:udpsrc0: Internal
> > data flow error.
> > Additional debug info:
> > gstbasesrc.c(2562): gst_base_src_loop
> > (): /GstPipeline:pipeline0/GstUDPSrc:udpsrc0:
> > streaming task paused, reason not-negotiated (-4)
> > Execution ended after 18091128 ns.
> > Setting pipeline to PAUSED ...
> > Setting pipeline to READY ...
> > Setting pipeline to NULL ...
> > Freeing pipeline ...
> >
> >
> >
> >
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