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[Discuss-gnuradio] Receiving and displaying video

From: Demijan Klinc
Subject: [Discuss-gnuradio] Receiving and displaying video
Date: Tue, 23 Mar 2010 18:54:58 -0400

Hi everyone:

I am trying to implement a USRP testbed, where a transmitter sends video 
and the receiver displays it in real-time. I've been playing around with 
benchmark tx/rx and am now
able to transmit files between the USRPs (I use USRP2s and XCVR2450s). 

The question is what would be the best way to implement video playback at the 

My initial idea was to use gr-video-sdl sink, as it is done in the 
usrp_tv_rcv_nogui.py, but
I can't get any of the standard video formats to play correctly (by using the 
"-i videofile" option).
Can anyone comment on what video format is expected there? Is there anyway I 
get uncompressed video, for instance in AVI or MOV format to play there?

Another idea came up while browsing the mailing list: use tunnel.py to create 
IP tunnel at the tx/rx and then use VLC to stream video over a private IP 
network. While I am
able to set up the IP tunnel and perform ping, I still haven't figured out how 
make VLC work under this setting.

If anyone can share some insight on this problem, that would be greatly 


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