[Live-devel] audio lags video

[Ross Finlayson]

>I am reading a/v from live source through socket in 2 different threads

I hope you've read the FAQ entry about threads.


>, In my aplication I am using class derived from FramedSource and in 
>doGetNextFrame() I read from cyclic buffers and set the 
>fPresentationTime etc, I wonder how can I use 
>hasBeenSynchronizedUsingRTCP and make sure the a/v timestamps are in 
>sync

This applies only when you are *receiving* a RTP stream; not when you 
are transmitting a RTP stream.  If you are transmitting a RTP stream, 
then you must make sure that the "fPresentationTime" values that you 
assign each outgoing frame are accurate (and aligned with 'wall 
clock' time - i.e., the time that you would get by calling 
"gettimeofday()").


>, I do see SR pkts at client though I dont have any class derived 
>from RTPSource

If you are receiving a RTP stream, then you will have a class derived 
from "RTPSource" (if you are using our software).
-- 

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