[FFmpeg-devel] [RFC] Specifying KEYINT (-g) has no effect in libx264

Michael Niedermayer michaelni at gmx.at
Mon Jun 27 00:43:42 CEST 2011

On Sun, Jun 26, 2011 at 04:05:24PM +0200, Etienne Buira wrote:
> Hi,
> On Sun, Jun 26, 2011 at 05:46:49AM +0200, Michael Niedermayer wrote:
> > On Thu, Jun 09, 2011 at 12:06:16AM +0200, Etienne Buira wrote:
> > > On Wed, Jun 08, 2011 at 09:44:02PM +0200, Etienne Buira wrote:
> > > ...
> > > 
> > > Sorry, the patch without noise is attached.
> > 
> > the issue with this patch i see is that it requires continuous
> > maintaince to keep supporting all options in x264
> > 
> > Iam not sure if we have someone who wants to do this kind of long term
> > maintaince. It also would be needed to follow x264 with short delay so
> > as not to lack features.
> Then a new feature could still be used using x264opts in the meanwhile.
> > To the lazy person that i am, my x264opts seems less work.
> Then we will have two kind of lazyness fighting :)
> My lazyness consist of trying to temper as less as possible existing
> command lines (and command line genericity).

> And the issue I see with removing usual ffmpeg options treatment is that
> it will just ignore such options silently (unless there is a way of
> erroring out I'm not aware of).

thats a more generic problem, options unsupported by a encoder dont
cause it to error out either

> Did you consider going back to libx264 ffpresets? IIRC the only issue
> was to keep them up to date with libx264 defaults, but these should not
> change very often, and I think such a check is scriptable. (all
> solutions I see are listed in the mail before the one you replied to,
> but have received no comments).

Iam happy with whatever works and people like. (and which of course
doesnt add the maintaince burden on my back)

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

In fact, the RIAA has been known to suggest that students drop out
of college or go to community college in order to be able to afford
settlements. -- The RIAA
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