[FFmpeg-user] concat, "Too many invisible frames"

[Emanuel Berg]

Nicolas George wrote:

> Read the error message: your inputs do not have the same
> resolution, you need to insert filters (scale, pad, crop,
> whatever you want) between the inputs and the concat filter.

I want to make one file from two. One is 640x480 and the other
is 1920x1080. I don't really care what the "one file"
resolution will be as long as no one gets tall in the face in
the process if you follow ...

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