[FFmpeg-devel] [PATCH] qtrleenc autogop

[Reimar Döffinger]

On Tue, Jun 23, 2009 at 12:51:44PM +0200, Michael Niedermayer wrote:
> On Mon, Jun 22, 2009 at 12:14:36PM -0700, Baptiste Coudurier wrote:
> > Michael Niedermayer wrote:
> > > On Sat, Jun 20, 2009 at 03:07:02PM -0700, Baptiste Coudurier wrote:
> > >> Hi guys,
> > >>
> > >> $subject. It should be more efficient,
> > > 
> > > it breaks seeking if iam not misreading the patch, one can only seek to
> > > keyframes and the patch would stop keyframes from being used except for
> > > the very first frame
> > 
> > File works perfectly with quicktime player ;)
> 
> quicktime can seek in files that have only a single keyframe by
> decoding all frames after the keyframe?

Yes, and it actually caches a few decoded frames AFAIK, so as long as
you seek only a little bit it seems okay.
If you take a 12 hour/25 fps QTRLE file and seek directly from the start to
near the end I am sure you will notice the difference even with
QuickTime though.