> If you need to use H.264 and must achieve low latency, you’ll have to modify 
> your encoder to use a very conservative GOP structure.  Best to use no B 
> frames at all.
> 
> You can make an argument for no P frames, either.  That is, I-frame-only 
> video, like MJPEG, but with about 20 years of advancement on still picture 
> coding, making it about 2x more efficient.

I should also point out that should you decide that you want to stream raw 
(i.e. uncompressed) video over RTSP/RTP (i.e., using the RTP payload format 
described in RFC 4175), we also now support this - using the classes 
“RawVideoRTPSink” at the server end, and “RawVideoRTPSource” at the client end. 
 Of course, your network will need to have enough capacity to handle this.

Ross Finlayson
Live Networks, Inc.
http://www.live555.com/


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