[FFmpeg-user] ffmpeg usage!

Suri Shelvapille suri at baymicrosystems.com
Mon Nov 17 21:27:23 CET 2014

Dear Folks:

I am using ffmpeg to create a video mosaic, the overlay is working fine.
I have a question though:

If one of the video streams does not exist, how can I tell ffmpeg to use a default
video stream? Right now, if the input file does not exist, ffmpeg exits.


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