[FFmpeg-user] Deterministic results with atadenoise

Robert Kr├╝ger krueger at lesspain.de
Wed Sep 30 11:37:39 CEST 2015


On Tue, Sep 29, 2015 at 2:24 PM, Paul B Mahol <onemda at gmail.com> wrote:

> On 9/29/15, Robert Krueger <krueger at lesspain.de> wrote:
> > Hi,
> >
> > is anything in atadenoise random? I am trying to get reproducible results
> > for an automated test setup but just running the same command line twice
> > produces a files which have differences when comparing them via
> framemd5. I
> > thought it might be multithreading but even with threads set to 1 this
> > differs.
> >
> > I tried a command line like this:
> >
> > ffmpeg -i noise_luma20.mov -threads 1 -vf atadenoise -c:v mpeg4 -q:v 1
> > noise_luma20_denoised_t1_2.mov
> >
> > Running it twice and then comparing framemd5s of the resulting files, I
> > find all frames to have different md5 hashes.
> > Thanks,
>
> I may know why this happens and will fix it ASAP.
>
>
fixed by a019149249695f7b812ead18bc51fc2d8df57499, i.e. produces identical
md5s regardless of threads setting.

Thanks!


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