[FFmpeg-devel] [PATCH] ipod320: restrict to refs=1 as in ipod640 (issue2399)

Michael Niedermayer michaelni
Sat Dec 4 03:27:46 CET 2010

On Sat, Dec 04, 2010 at 12:01:41AM +0100, Christian Ebert wrote:
> * Michael Niedermayer on Friday, December 03, 2010 at 18:04:40 +0100
> > On Fri, Dec 03, 2010 at 04:33:15PM +0100, Niobos wrote:
> >> On 2010-12-02 22:59, Michael Niedermayer wrote:
> >>> On Thu, Dec 02, 2010 at 10:47:41PM +0100, Christian Ebert wrote:
> >>>> ---
> >>>> ffpresets/libx264-ipod320.ffpreset |    1 +
> >>>> 1 files changed, 1 insertions(+), 0 deletions(-)
> >>> 
> >>> i would suspect the limit to be on memory and not on refs
> >> I suspected that as well, but was proven wrong
> > 
> > theres alot that can cause such artifacts, decoder bugs related to
> > motion vector prediction come to mind as well as bugs related to how to
> > fill the reference lists.
> > I dont really care about apple producing crap nor about debuging their crap.
> Is this getting ever so slightly emotional? ;-) Why does ffmpeg
> offer apple device specific presets then?

refusing to debug bugs in apples products for free being emotional?
yeah maybe, that too

> > If someone tests what works and what not we can update the presets based on
> > that. But i am against adding refs=1 because another file contains refs=1
> > At minimum the question about which is the max number of refs that work on
> > latest software & any hardware of apple has to be awnsered.
> We don't know what's going on exactly, but until we do let's be
> at least inconsistent and err on the unsafe side? Hehe.

nah, its rather a butcher stumbling into a heart surgery and demanding the
doctor to cut the same as him.
Yeah sure maybe the buther is right but i rather not pick that suggestion
as default on the grounds that its more consistent.

> As I don't really care about these crap products either - nor
> about any product for that matter - I won't bother you about it
> any further.

thank you

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

If a bugfix only changes things apparently unrelated to the bug with no
further explanation, that is a good sign that the bugfix is wrong.
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