[FFmpeg-user] Combining 4 videos in 1 video in raster.
rogerdpack2 at gmail.com
Tue Aug 7 23:21:54 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.
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