[gst-devel] RTP Caps,base payloader and jrtplib
Kai Vehmanen
kvehmanen at eca.cx
Wed Nov 2 08:09:04 CET 2005
Hi,
On Wed, 2 Nov 2005, Thomas Vander Stichele wrote:
>> Do you really need these values (ssrc, timestamp, sequence), in session
>> descriptions? These are by nature random, and should be handled within the
>> RTP stack.
> Take for example an RTSP server. The transport header in the RTSP reply
> to a SETUP command should list the ssrc that is going to be used for
> this RTP stream. The RTP-Info header in the RTSP reply to a PLAY
> command should list seq and rtptime at which the stream for that client
> starts. The RTP spec suggests that rtptime and seqnum start at a
> randomized value.
hmm, you're right. So the RTSP server needs a way to query the start
values for ts+seqno, and current ssrc. I'll leave it to burger to
comment how this fits with rtpbin... ;)
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