[FFmpeg-devel] [PATCH] qtrleenc autogop

Michael Niedermayer michaelni
Tue Jun 23 12:51:44 CEST 2009

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?
Ive not tried, iam just curious if i understand you correctly

> >> fix issue 1209.
> > 
> > issue 1209 looks invalid to me
> Well, no gop specified should be autogop by default IMHO.

issue 1209 is a user complaining that when he reencodes with an explicitly
requested gop of 100 a file that he previously encoded with an explicitly
requested gop of 300, the file becomes larger.

> If you prefer I can use -gop 0

i do prefer if you use -gop 0 instead of ignoring gop in the encoder,
if that is what you meant ...

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

He who knows, does not speak. He who speaks, does not know. -- Lao Tsu
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