[Mp4-tech] scalability and sprites

[marta martinez]

Hi,
i'm studying mpeg4 codification to use mp4 files for streaming. i want to 
know if there are any RFC that define how transmit the enhanced layer and if 
there are any player that accept it. I'm searching open source programs, but 
I don't find - i use mpeg4IP, but the player don't support scalability.
another question about coding with sprites. i want to use mpeg4IP, or 
whatever open source software, to coding files with sprites. i need a source 
file and a point file. I want to know how can be this point file, and if 
anyone have a example
thanx
marta
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