[FFmpeg-devel] [PATCH] avfilter: add ssim filter

Nicolas George george at nsup.org
Tue Jun 23 17:35:00 CEST 2015

Le quintidi 5 messidor, an CCXXIII, Paul B Mahol a écrit :
> Well tiny_ssim computes PSNR from SSIM but numbers do not match other
> implementations.
> I'm sure that our MSE(and PSNR) calculations in vf_psnr.c matches
> numbers from some page
> linked from wikipedia.
> Computations of PSNR and SSIM have not much in common. So the only
> code that is actually
> shared is set_meta() which could be moved to some other place in lavfi.

> I just do not like big filters, I made mistake putting multiple
> different filters in single
> histogram filter.

Ok. As long as you thought about and made an informed decision I have no


  Nicolas George
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