[FFmpeg-user] Combining 4 videos in 1 video in raster.

Roger Pack rogerdpack2 at gmail.com
Tue Aug 7 23:48:17 CEST 2012

>> I have 4 FullHD movies (1920x1080) and want to have 1 movie with the
>> resolution of 3840x2160.
> I think you need to use the overlay filter like 3 times.

I take that back, appears you can overlay more than one thing at a time:

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