[MEncoder-users] Accuracy of the -endpos option

[Josef Wolf]

On Wed, Jun 30, 2010 at 03:59:59AM -0500, Andrew Berg wrote:
>  On 6/30/2010 3:34 AM, Josef Wolf wrote:
> > > frameref=15
> > > Looks rather/very high to me
> >
> > This is the highest possible value AFAIK. I am trying to get the highest
> > possible quality with file size as short as possible because I encode for
> > archival. I don't really care much about encoding time.
> Unless you are encoding very flat cartoons, a high frameref is not
> beneficial. It increases the power needed to decode (it affects decoding
> power needed much more than encoding power needed) and only increases
> efficiency for cartoons/CGI.

OK, thanks for the hint!

> You can expect the level to go up from
> High at 3.0 to High at 3.2 (or possibly High at 4.0 if you have other things that
> raise the level).

What do those parameters mean? are this preset values?

> I use a high frameref only for cartoons on DVD and
> limit it when doing live action or HD. If you want to increase
> efficiency and don't care about encoding speed, there are other, more
> sane things you could change (e.g. increase subq to 9).

OK, I'll try subq=9. But what frameref do you recommend for live recordings?

> If you want to
> burn through CPU cycles for no reason, you could use me=tesa (look into
> the placebo preset for more).

Well, I want to burn cycles to get better quality with smaller files. Does
this qualify as "good reason"? ;-)