can't play h264 over RTP

[i.nixman at autistici.org]

Hello Marc Leeman,

thank you for your answer!

On 2021-08-11 14:27, Marc Leeman via gstreamer-devel wrote:
> gst-launch-1.0 videotestsrc !  x264enc ! h264parse ! rtph264pay
> config-interval=1 ! rtpsink uri=rtp://239.1.2.3:1234
> gst-launch-1.0 rtpsrc uri=rtp://239.1.2.3:1234?encoding-name=H264 !
> rtph264depay ! h264parse ! avdec_h264 ! videoconvert ! autovideosink
> 
> I suspect that the config-interval is what is missing with your 
> examples
> 
> Also, send out RTP on even ports.



please tell me, in order to stream and be able to play video should I 
use rtpsink and rtpsrc?
I can't use udpsink and udpsrc for this?

the fact is that I need to implement streaming from my drone for the 
QGroundControl program [1] but according to the documentation [2] the 
program expects RTP over UDP and the examples provided uses `rtph264pay 
! udpsink` for streaming and `udpsrc ! rtpjitterbuffer ! rtph264depay` 
on the other end for playing.


[1] https://github.com/mavlink/qgroundcontrol
[2] 
https://github.com/mavlink/qgroundcontrol/tree/master/src/VideoReceiver#udp-pipeline