[FFmpeg-devel] evaluating the experimental status of ffv1 version 3

[Michael Niedermayer]

On Sun, Sep 23, 2012 at 08:16:39PM +0200, Peter B. wrote:
> On 09/20/2012 01:20 PM, Peter B. wrote:
> > Even though the testscript is still running on <= SD material from
> > Delf's collection, I've already ran the framemd5 evaluation and I've
> > found errors!
> >
> > For the slice numbers 24 and 30, some files have broken slices.
> > The error appears with different input videos and sometimes it only
> > appears with GOP>1, but I've found a case where it happens with GOP=1,
> > too:
> 
> I've now reproduced this error with the current git-head
> (N-44711-gf25d53d) on 2 different computers and different Distros
> (Debian 6.0.3/Ubuntu 11.10). Behavior is consistent, so I assume my test
> is correct.
> 
> Can anyone else confirm this?
> 
> 
> Additionally, I've now ran the tests with slice-count iterating from
> 2-70 (Yes, I know that only some of these values are valid, but that was
> the fastest way to check if other slice-count numbers are affected, too)
> 
> The slice-count numbers producing broken slices for
> "bride_close_cif.y4m" are:
> 24, 30 and 56.
> 
> @Michael:
> Is there anything I should check?

is it specific to 1.3 ? other affected too ?
is it specific to context=0 coder=0 ?

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Avoid a single point of failure, be that a person or equipment.
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