[Live-devel] Framer/Parser Implementation problem

[Ross Finlayson]

>My problem is the following:
>
>ByteStreamFileSource needs that H264VideoStreamFramer to have a 
>parser. The parser object should parse byte after byte and deliver 
>complete Nals to the framer. However since my Device source is 
>already sending Nals using send(), I just need to do recv() to 
>receive a complete NAL, without needing the exhausting parsing.
>
>What is the right thing to do (to keep only one Framer)
[...]

>3. implementing two types of framer. One that make use of the 
>parser, and one that doesn't. (what I tried to avois)

This is what I would do.  Note that we already do this for MPEG-1,2 
and 4 video: we have "MPEG*VideoStreamDiscreteFramer" for sources 
that deliver complete frames (one at a time), and 
"MPEG*VideoStreamFramer" for sources that deliver a byte stream.  So 
you have some existing code to use as a model.
-- 

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