[Libav-user] ffmpeg ; splitting an input movie into multiple tracks in a single output movie, possible?

[Carl Eugen Hoyos]

René J.V. Bertin <rjvbertin at ...> writes:

> I discovered yesterday that it's possible to split an input 
> movie (a raw m4v stream) into 4 separate output movies (.mov) 
> each containing a quarter of the original image (obtained with 
> -vf crop=w/2:h/2:x:y), using a single invocation of ffmpeg.
> Is it possible to generate a single output movie with 4 
> tracks instead

The complex filter allows this, please RTFM for examples.

Carl Eugen