[Live-devel] Merging images...

[Joseph Lazar]

Ross Finlayson wrote:

>
>> I wrote an application based on live555 which streams images from an 
>> MPEG camera. When I start two instances from this app collecting 
>> images from two separate cameras we see that the images are merging 
>> from one camera into the other. Please find the logs attached.
>
>
> The problem appears to be caused by the fact that you are receiving 
> the two application's streams on different IP multicast addresses, but 
> use the *same* UDP port numbers - 50000 for video; 50002 for audio - 
> for each.

This means that I have to setup in one camera say: 50000, 50002 and in 
the other 50004, 50006 ?

>
> This is supposed to be OK; however, some operating systems erroneously 
> do not distinguish between different streams received on different IP 
> multicast addresses, but using the same UDP port number.  (What OS are 
> you using?)

Actually a Fedora Core3.
 > cat /proc/version
Linux version 2.6.9-1.FC3.rootsmp (root at bubu) (gcc version 3.4.2 
20041017 (Red Hat 3.4.2-6.fc3))

>
> To fix this, either (i) upgrade your OS, or (ii) use different UDP 
> ports in each instance of the application.
>
>
>     Ross Finlayson
>     Live Networks, Inc. (LIVE555.COM)
>     <http://www.live555.com/>
>
> _______________________________________________
> live-devel mailing list
> live-devel at lists.live555.com
> http://lists.live555.com/mailman/listinfo/live-devel
>