[FFmpeg-user] Deterministic results with atadenoise

Paul B Mahol onemda at gmail.com
Tue Sep 29 14:24:11 CEST 2015

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.

> Robert
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