[Asterisk-video] 3G video delay

Sergio Garcia Murillo sergio.garcia at fontventa.com
Mon Aug 25 12:58:01 CDT 2008


Hi Klaus,

Modify H223AL2Sender::SendPDU() in H324MAL2.cpp
Check if jitBuffer.GetSize()>YOURVALUE and return

BR
Sergio

----- Original Message -----
From: Klaus Darilion [mailto:klaus.mailinglists at pernau.at]
To: asterisk-video at lists.digium.com
Sent: Mon, 25 Aug 2008 14:49:18 +0200
Subject: [Asterisk-video] 3G video delay

Hi!

I have a problem with a SIP client which sends video with high bitrate 
if there is very much movement. This adds huge delay to the video as it 
does not fit anymore into the 64kbit channel.

As in normal scenarios the delay is fine I want to avoid transcoding. 
Thus my idea was to drop video frames if the queue is getting to big.

I want to test may idea, but the question is - where to do this? I think 
this have to be done in libh324m. Sergio, can you please tell me 
how/where I could implement such a behavior?

regards
klaus

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