RTSP server: RTCP retransmission

[Yurii Monakov]

Hi Sebastian! Thank you for the answer.

> See the "send-rtcp" and "on-sending-rtcp" signals on the rtpsession for
details
Unfortunately I'm using gstreamer-0.10 (with RHEL 6) and
gst-rsp-server-0.10.7 it does not have this signals.
But there are some callbacks (with gst_rtsp_session_stream_set_callbacks).
Can I use them instead of signals?

> Generating RTCP outside the rtpsession and independent of that is not a
good idea
My RTP  source is another gstreamer pipeline, which streams live video from
workstations.
It uses gstrtpbin which provides RTCP Sender Reports. So I think that I
should keep original RTCP data.

And why this is not a good idea? Does GStreamer RTSP server alter RTP
timestamps?

Yurii


2016-11-19 13:20 GMT+03:00 Sebastian Dröge <sebastian at centricular.com>:

> On Thu, 2016-11-17 at 12:40 +0300, Yurii Monakov wrote:
> > Hi All!
> >
> > I'm able to feed GStreamer RTSP server with H264 RTP stream:
> >
> > ( udpsrc port=5544 caps="application/x-rtp,media=(string)video,clock-
> > rate=(int)90000,encoding-name=(string)H264,payload=(int)96"
> > name=pay0)
> >
> > Everything works and clients are able to receive this stream. The
> > problem is that I need to transmit custom RTCP packets, which are
> > also generated on the feed side.
> >
> > Is there any way to tell RTSP server to take RTCP packets from
> > external port and stop generating them internally?
>
> You can hook into the RTCP machinery of the server and insert your own
> packets there. You'll have to write code for that though.
>
> See the "send-rtcp" and "on-sending-rtcp" signals on the rtpsession for
> details. This allows you to send whatever custom RTCP packets you want
> to add.
>
>
> Generating RTCP outside the rtpsession and independent of that is not a
> good idea as it will be very difficult to generate valid RTCP with
> regard to the actual media stream.
>
> --
> Sebastian Dröge, Centricular Ltd · http://www.centricular.com
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>
>
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