[FFmpeg-user] ffplay with -filter_complex possible?

[Roger Pack]

> You can still support multiple inputs through the lavfi device,
> something like:
>
> ffplay -f lavfi "movie='video=screen-capture-recorder':f=dshow
> [tmp0]; movie=go.png [tmp1]; [tmp0][tmp1] overlay=10:H-h-10"

Interesting, thanks!
I also had some success using ffmpeg with the "sdl out" device for the
output, for followers (though it doesn't feel particularly stable...)