Splitmuxsink data re transmit through udpsink

Nicolas Dufresne nicolas at ndufresne.ca
Wed May 1 00:05:53 UTC 2019


Le mar. 30 avr. 2019 08 h 10, arunselvam <arunkind at gmail.com> a écrit :

> Hi
>
> i am trying to transmit h264 and receive the same in client side and i want
> to mux using the mp4mux and re transmit through udpsink , but i am facing
> issue, if i dump as mp4 files using splitmuxsink its creating properly ,
> but
> when i try to retransmit through udpsink then issue comes
>
> mp4 file command - working properly
> gst-launch-1.0 -v -e udpsrc address=127.0.0.1 port=5001
> caps="application/x-rtp, media=(string)video,
> clock-rate=(int)90000,encoding-name=(string)H264" ! rtph264depay !
> h264parse
> ! splitmuxsink location=file-%03d.mp4
>
> udp command
> gst-launch-1.0 -v -e udpsrc address=127.0.0.1 port=5004
> caps="application/x-rtp, media=(string)video,
> clock-rate=(int)90000,encoding-name=(string)H264" ! rtph264depay !
> h264parse
> ! mp4mux ! udpsink host=127.0.0.1 port=9001
>

ISOMP4 is not a streamable format. You simply cannot use it like this.
Also, be aware that you need something design for datagram streaming, like
RTP or Mpeg TS.


> the above command not transmitting anything and getting following error
> Additional debug info:
> gstqtmux.c(2780): gst_qt_mux_start_file ():
> /GstPipeline:pipeline0/GstMP4Mux:mp4mux0
> /GstPipeline:pipeline0/GstMP4Mux:mp4mux0.GstPad:src: caps =
> video/quicktime,
> variant=(string)iso
> /GstPipeline:pipeline0/GstUDPSink:udpsink0.GstPad:sink: caps =
> video/quicktime, variant=(string)iso
> ERROR: from element /GstPipeline:pipeline0/GstMP4Mux:mp4mux0: Downstream is
> not seekable - will not be able to create a playable file
>
> how to resolve this , the same if i use mpegtsmux and stream its working
> fine , but i want to transmit in mp4 format
>
>
>
> --
> Sent from: http://gstreamer-devel.966125.n4.nabble.com/
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