[Elphel-support] Multcast

[Alexandre Poltorak]

Hello Jeff, 


Please have a look at my blog post and search "multicast" in the page: http://blogs.elphel.com/2009/11/interfacing-elphel-cameras-with-gstreamer-opencv-opengl-and-python-get-profit-of-dsp-or-gpu-based-optimisation-control-camera-settings-from-python-application-or-human-interface-device-hid/ 


Best regards, 
Alexandre 

----- Mail original -----
De: "jeff witz" <witzjean at gmail.com> 
À: support-list at support.elphel.com 
Envoyé: Vendredi 28 Janvier 2011 11:03:47 
Objet: [Elphel-support] Multcast 

Hello, 

I have an application where I make some computation in the picture in Real Time, so for this purpose I have to decompress the datas make operation on it. 

So there is no real trouble on this part, but we need to be able to capture the video too and it's specially in this part that we have trouble. 
If the video flux is open then the camera is busy and we can't succeed in recording the video. 

As I'm not an expert in the network configuration, I don't know if the multicast option can solve this issue, I see that multicast can send the video flux on different destination but I don't know if it's possible to have two video flux on the same IP adresse. 

If it's possible, then I would like to have the explanation on how to use the camera in multicast mode. 

I see that there is adresses, port to be configured on the camera and on the computer too in order to allow the multicast mode. 
I really don't find how too parametrise this mode on the wiki so I would really appreciate a complete explanation that helps to solve this real issue. 


Best Regards 


-- 
Jean-François WITZ 

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