[FFmpeg-user] Help me with multi input in a video

[Roger Pack]

> <!-- My code is -->
> ffmpeg.exe -i 1a.avi -vf "[in] scale=iw/3:ih/3,
> pad=3*iw+240:2*ih+220:200:100 [left]; movie=1c.avi,
> <code>
> like that . but when I try to replace 1c.avi with the rtsp://localhost ...
> I got error 'unknown parameter '.

I presume if you use rtsp://localhost ... by itself then it works?
Maybe you need to use filter_complex?

> ---> my seconde question is
> - is it possible to 2x2 mosaic video show with ffmpeg ?
> or which console tool I can succeed it ?

so you want 4 videos displayed at the same time?
-r