[Live-devel] How to detect packet loss

[Ross Finlayson]

>While running the liveMedia client to receive RTP packets I acquire 
>some statistics on the streamed data. I can easily get the total 
>number of packets received and the number of bytes received like 
>this:
>pVideoSrc->RTPgs()->statsGroupIncoming.totNumPackets()
>pVideoSrc->RTPgs()->statsGroupIncoming.totNumBytes()
>(RTPSource *pVideoSrc = pSubSession->rtpSource();)
>
>I would also like to check if packet loss occurred. I don't see any 
>public method or member that can give me this. There is just this 
>private member variable fPacketLossInFragmentedFrame of 
>MultiFramedRTPSouce.
>
>Is there any method I can use on the source to find number of 
>packets lost so far?

Yes.  You can use the "RTPReceptionStats" class for this.  For 
illustration, look at how the "openRTSP" client application 
implements the "-Q" option (see "testProgs/playCommon.cpp").
-- 

Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.live555.com/pipermail/live-devel/attachments/20100818/486d2f5c/attachment-0001.html>