[MEncoder-users] [Script] PSNR between two video files

[Rich Felker]

On Thu, Aug 25, 2005 at 02:38:43PM +0200, Guillaume POIRIER wrote:
> Hi,
> 
> On 8/25/05, Matthias Wieser <mwieser at gmx.de> wrote:
> > Am Donnerstag, 25. August 2005 14:12 schrieb Guillaume POIRIER:
> 
> > > A quick glance at the code shows that you use the tool "pnmpsnr" to do
> > > the frame-by-frame... so no crown for you today! ;o)
> > 
> > I hope that at least I have done the calculation of the global PSNR the
> > right way.
> 
> You should not worry too much about that: AFAIK, there's no "unique"
> way to compute PSNR: at least lavc and XviD compute it differently.

Yes; however, some ways are blatently incorrect..

Rich