[FFmpeg-user] side by side videos

Teemu Likonen tlikonen at iki.fi
Mon Mar 25 16:23:14 CET 2013

Lorenzo Perone [2013-03-25 15:54:23 +0100] wrote:

>> Simple filtergraph '[in] scale=642:1050, pad=1284:1050 [left];
>> movie=realtime_te
>> st2.mp4, scale=642:1050; [left][right] overlay=642:0 [out]' does not have
>> exactl
>> y one input and output.

> I'm a little bit confused...

You should use -filter_complex instead of -vf for such complex
filtergraphs with multiple inputs.

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