[MPlayer-dev-eng] framerate conversion using framestep filter

[D Richard Felker III]

On Sat, Jan 10, 2004 at 11:10:59AM +0100, Attila Kinali wrote:
> On Fri, 28 Nov 2003 15:08:19 +0100
> Patrick Cernko <errror at ps.uni-sb.de> wrote:
> 
> 
> > the appended patch against the current cvs enhances the framestep filter
> > to not only drop every nth frame, but to be able to set a "keep"-ratio,
> > a fraction, how many frames should (not) be droped. With this
> > enhancement, it is possible to do easy framerate conversion (only
> > dowmwards) by specifying a fraction of new and original framerate. For
> > example to convert NTSC material to PAL framerate, use:
> > 
> > ... -vf framestep=2500:2997 ...
> 
> Any comments about this patch ?

MEncoder will already skip frames to do it...

Rich