[Live-devel] Try-catch in parsers

[Ross Finlayson]

>1.Why the parsers in the Live libarary are working with try and catch?

When a parser runs into the end of its input buffer (which could 
happen anywhere within the parsing code), it needs to temporarily 
stop parsing, request new input data, and then return to the event 
loop.  C++ language exceptions were a good way to do this in the code.


>2. If I am implementing DeviceSouce which deliver H264 nals threw 
>socket (as you recommended), how should I know which nal is the last 
>NAL fo the  AccessUnit (last nal in frame)?

I don't know, but presumably your encoder has this information (somehow).
-- 

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