[FFmpeg-devel] [PATCH] add ME_T/ESA to avcodec.h

Michael Niedermayer michaelni
Thu Jun 5 16:19:25 CEST 2008

On Thu, Jun 05, 2008 at 09:51:33AM +0100, Robert Swain wrote:
> 2008/6/5 Michael Niedermayer <michaelni at gmx.at>:
> > On Thu, Jun 05, 2008 at 02:30:57AM +0200, Michael Niedermayer wrote:
> >> Code below,
> >> just put -vpre anime-hq on the command line and have a file with the path
> >> ~/.ffmpeg/mpeg4-anime-hq.ffpreset
> >> with all your AVOptoion key=value stuff in it
> >> similar for other codecs.
> >>
> >> minor known bug, -vpre must be after -vcodec
> >>
> >> Iam planning to commit the code if there are no objections ...
> >
> > Also we can after that patch easily add support to automatically load
> > ~/.ffmpeg/<codecname>-default.ffpreset if no -*pre are specified
> > If that is wanted, iam not sure though if it really is, specifying what one
> > wants with -vpre hq / -vpre fast / veryfast / ultrahq doesnt seem that hard.
> Regarding presets, my idea was that subsequently specified presets
> having some overlap with previously specified presets would overwrite
> those values. I expect your code exhibits this behaviour this
> automatically.

Yes it should, if not i would consider that a bug in my code ...

> Then I suggest we have presets for profiles/levels/equivalent/other
> bit stream restrictions (e.g. iPod specific restrictions or whatever)
> and presets for quality/speed tradeoffs. This would allow, for
> example, '-vcodec libx264 -vpre hq -vpre ipod' where the libx264 hq
> preset may specify the use of H.264 High Profile features and the
> libx264 ipod preset would disable them.

yes ... others can write all these profiles ... iam not volunteering for
that, i just wanted to write the C code needed


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I count him braver who overcomes his desires than him who conquers his
enemies for the hardest victory is over self. -- Aristotle
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