Raspberry - gst-rtsp-server

[Dayle Hogg]

My understanding is you can use a static pipeline if you know the video format detail ahead of time and include that information in the caps filter.  This way each element knows what source pad to use.  In that post, they are using the rpicamera, which he was able to set some properties such as bitrate and keyframe-interval because he had some insight on the source he was using.  In your case, it looks like you are using a webcam, which will be different.  Dynamic pipelines enable GStreamer to determine the nature of the video first and then it sets its own caps filter.

This might help understand it better.
https://gstreamer.freedesktop.org/documentation/application-development/basics/pads.html#pads




-----Original Message-----
From: gstreamer-devel [mailto:gstreamer-devel-bounces at lists.freedesktop.org] On Behalf Of horai
Sent: Tuesday, December 12, 2017 2:58 PM
To: gstreamer-devel at lists.freedesktop.org
Subject: RE: Raspberry - gst-rtsp-server

Thank you very much for your info.
You might be right, but according to example given here:
https://www.stev.org/post/raspberrypisimplertspserver
Moreover, the camera light really starts and then stops therefore I guess the pipeline is started, but for some reason also stopped therefore the client is waiting for data until timeout is reached.

I guess the static pipelines are also possible.





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