a few questions wrt gstreamer and webrtc

Andres Gonzalez andres.agoralabs at gmail.com
Tue Apr 12 16:04:33 UTC 2016


I have been working on a linux C++ media server. Using gstreamer I currently
have RTP/RTCP and RTSP media streams working very well.  I really want to
thank the gstreamer development team and members of this forum for all your
help so I could get this functionality working.  Thank you gstreamer!!

I now need to add WebRTC functionality to my media server so I have a couple
of gstreamer questions.

Question #1: Was DTLS support added to gstreamer after version 1.4.4?    I
am currently using version 1.4.4 and it does not appear to include DTLS in
its plugin-bad tree.  I see some references to DTLS around, but my
gst-inspect cannot find any DTLS related elements.

Question #2: Assuming DTLS support is somewhat new, what is the current
level of support and stability? 
Question #3: How well is the DTLS functionality integrated with the
supported SRTP functionality?

I guess I am trying to anticipate the difficulty of migrating my current
RTP/RTCP gstreamer code to a version that implements DTLS/SRTP/SRTCP
functionality suitable for WebRTC media streams. My current intent is to use
gstreamer to implement all the WebRTC media stream functionality and then
implement the WebRTC signalling functionality external to gstreamer.

Any comments, advice, counsel, warnings, pointers, etc, regarding gstreamer
support for DTLS/SRTP/SRTCP for use in WebRTC, will be seriously read,
studied, re-read, considered, and probably applied and taken as gospel.  


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