Juan


Packet loss could be caused by a number of things, but the ones that quickly to 
mind are network issues or computer resources not being able to keep up.



A couple of things to try to see if they help include:



·         Trying reducing bandwidth and frame rate;

·         Does the issue occur when you are only sending a single H.264 stream;

·         Do you get issues when you only transmit H.261 streams, while 
receiving H.264 streams?  (IE, is the issue related to encoding);



·         As an additional thought, have you tried updating your video card 
drivers, as it may assist with decoding the and display the video streams;



Are you connected via multicast or unicast...  Have you tried unicast or trying 
a different bridge?



Anyway, hopefully this information may assist you with further testing.



Cheers,

Jason.



From: ag-tech-boun...@lists.mcs.anl.gov 
[mailto:ag-tech-boun...@lists.mcs.anl.gov] On Behalf Of Juan Luis Jiménez 
Tenorio
Sent: Wednesday, 10 February 2010 07:51 PM
To: ag-t...@lists.mcs.anl.gov
Subject: [AG-TECH] Missing Packet in Accesgrid + Windows



Hi,

We are using AccessGrid with H.264 between 3 different campus of my University.

We are 9 cameras in a session.

Windows 32 bit is our S.O and we have QuadCore Processors.

Our graphics cards are Matrox P690 Plus PCI. There are 2 of it in each 
visualize computer.

The problem is that Vic misses a lot of packet, so the video have a lot of bad 
pixels.

We think that windows + Vic + QuadCore there are not friendly, and it look like 
when I assign Vic only to one processor it missed less, but still miss a lot.



Any idea to reduce missing packet?

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