[FFmpeg-user] ffmpeg noise command: How is noise level defined

[Lou]

On Tue, 22 Oct 2013 14:50:21 -0500
Armin Kappeler <arminkappeler2011 at u.northwestern.edu> wrote:

> My question is now, how much noise is added to the video in each case?
> One possibility is e.g. this:
> For gaussian noise, the noise level corresponds to the variance of the
> gaussian noise (-> variance 0 = no noise)

I'm not sure, or, in other words: did you refer to the code
(libavfilter/vf_noise.c)?