[MEncoder-users] Can mencoder be used to tell me whether a video contains high action scenes?

[Reimar Döffinger]

On Mon, Jul 07, 2008 at 06:38:43PM -0700, RC wrote:
> On Mon, 7 Jul 2008 18:33:29 -0400
> "David Smith" <dcsmith2 at gmail.com> wrote:
> 
> > If the vid contains a lot of movement then want to program the
> > converter to set a higher bitrate (or other parameters).
> 
> Motion is only one of the reasons a video may be easy or difficult to
> compress, so that would not be useful.
> 
> Your best bet is to look into the CRF option of x264.

Or for simple MPEG-4 ASP you can try a first pass with either XVID codec or
lavc and vqscale=2 instead of vbitrate, the file size is usually a reasonable
approximation of complexity. Or maybe just encoding with vqscale is good
enough for you, too.