[FFmpeg-soc] making moving and zooming effect

[Stefano Sabatini]

On date Thursday 2009-11-05 01:00:54 +0200, Oleksandr Bondar encoded:
> >
> > And thinking harder at it, yes it should be possible to implement a
> > filter cropping a given (eventually variable) area in the input video
> > and scaling it to a fixed output size, for example to implement a Ken
> > Burns effect.
> >
> 
> to get simple version of Ken Burns only overlay effect with dynamic x and y
> coordinates is needed.
> 1. scale video to bigger size then original
> 2. slowly to move video
> 
> Should I take setpts filter as a start point for overlay extending, as it
> has N function in parameter?

Yes, another example:
http://thread.gmane.org/gmane.comp.video.ffmpeg.soc/6020/focus=6027

Regards.