[MEncoder-users] Extracting every 10th frame

[Ivo]

On Sunday 04 March 2007 23:53, DaveG wrote:
> Is there an obvious/easy way to extract every 10th frame from a video
> file? Or every 20th etc.
>
> The only obvious method I can see ATM is
>
> mplayer source.mpg  -benchmark -nosound -vo png:z=0
>
> followed by deleting all frames/files where the name doesn't end in 0.png
> and then re-encoding the remaining 10% of frames resulting in a video
> which plays back at 10x original speed.
>
> Source video is MPeG-PS

Search the manual page for the framestep filter.

--Ivo