something about RTP streaming

[Wim Taymans]

On 11/11/2013 09:30 AM, yxxone wrote:
> gst-launch-0.10 -v  filesrc location=Filename1.mp4 ! qtdemux ! rtpmp4vpay
> pt=96 ! udpsink host=127.0.0.1 port=42050 sync=false
> Receiver:
> gst-launch-0.10 -v  udpsrc port=42050 caps="application/x-rtp,
> media=(string)video, clock-rate=(int)90000, encoding-name=(string)MP4V-ES,
> profile-level-id=(string)1,
> config=(string)000001b001000001b58913000001000000012000c48d885dad0a041e1463000001b24c61766335322e32302e30,
> payload=(int)96, ssrc=(guint)2271548884, clock-base=(guint)1988216335,
> seqnum-base=(guint)35136" ! rtpmp4vdepay ! ffdec_mpeg4 ! xvimagesink
>
> for many times , I have seen pipeline like this , but I don't know the
> meaning of "config" in caps . or , I may say would anyone tell me how can I
> set this value correctly when I want to work with pipeline like this.
You need to look at the caps on the sender side (on the udpsink), then 
copy those to the
receiver. This is usually done with some sort of negotiation like RTSP 
or SIP. More info
is also here: 
http://cgit.freedesktop.org/gstreamer/gst-plugins-good/tree/gst/rtp/README

Wim



>
> thanks
>
>
>
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