[Live-devel] H.264 SVC Stream

Jesús Rosa Velázquez jrv at gti.ssr.upm.es
Fri May 30 03:06:39 PDT 2008


Hi,

I am developing a video streaming server to play H.264 SVC stream. This 
codec has a base layer (similar to the H.264 AVC one) and one or more 
enhancement layers.

I've just created a server to play H.264 AVC stream (an extension of 
live555MediaServer.exe), with my own H264StreamFramer and 
H264VideoFileServerMediaSubsession classes. I've introduced NAL 
packetizer and STAP-A Aggregation to the library too.

Follow to the "RTP Payload Format of SVC Video" draft, I suppose I have 
to create a new RTSP session for each layer. Then, I must send each 
layer as an independient RTP stream. I dont' know how to start more than 
one RTP stream in a single RTSP request, and how to indicate the 
receivers that they must download all the streams (I imagine that the 
last task will be related with SDP file). I don't really know what 
changes do I have to make in the library,  and what classes should I 
modify.

Thanks for all,
Jesús


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