[FFmpeg-user] question : Inserting text and multi Graphic card

dE . de.techno at gmail.com
Fri Jan 6 11:58:16 CET 2012

On 01/06/12 07:48, bino oetomo wrote:
> Dear All ..
> Let's say I have an AV capture card.
> How to use FFMPEG to play live capture but with inserting some "user 
> defined news ticker (running text)" on the top part of the screen ?
> Also ... if I have multi AV capture card and multi graphic card , can 
> I run multi instance of FFMPEG with each instance for a pair of in-out 
> direction ?
> Sincerely
> -bino-
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Play? I think mplayer or VLC will do that better.

For the ticker -- yes, you have to use ffmpeg to edit the input stream 
and add the ticker, then pipe the output to mplayer, vlc, ffplay or 
other players -- then it can be streamed to different screen.

I've no idea on how to generate the ticker video (which will form an 
overlay on the original video), but feeding it to ffmpeg can be done 
through loop devices.

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