Video sent with RTP only when closing a pipeline

[Sebastian Dröge]

On Mo, 2016-02-29 at 21:37 +0000, Monyz Wacon wrote:
> Hello,
> I'm trying to send video data from Raspberry Pi 2 to PC.
> [...]
> Then I am trying to send video from the camera connected to RPi (this
> should work, because it works with raspivid tool and I loaded the
> module bcm2835-v4l2):
> 
> gst-launch-1.0 -e -v v4l2src device=/dev/video0 ! 'video/x-
> h264,width=320,height=200,framerate=30/1' ! h264parse ! rtph264pay !
> udpsink host=192.168.0.5 port=7000
> 
> The thing is that something seems to be stuck. I can see that the
> camera turns on, this is printed on RPi's console:
> [...]
> But there is no video on the PC side, nothing seems to be received.
> However when I close the pipeline by ctrl-c on RPi's side, then new
> caps are negotiated, some data is sent to PC and a single image from
> the camera is displayed.
> 
> How to make the pipeline on RPi to stream video right after it is
> created, not just send some data right before it is being closed?

Can you file a bug about this at

  https://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer

and include a debug log with GST_DEBUG=6 from the sender there? This
shouldn't happen and the pipeline itself looks correct.

Does it work better if you don't specify a width/height/framerate in
the caps?

-- 
Sebastian Dröge, Centricular Ltd · http://www.centricular.com

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