Hi,
On Jan 9, 2012 4:17 AM, "Måns Rullgård" <[email protected]> wrote:
>
> "Ronald S. Bultje" <[email protected]> writes:
>
> > Hi,
> >
> > On Sun, Jan 8, 2012 at 4:52 PM, Mike Melanson <[email protected]>
wrote:
> >> On 1/8/2012 4:46 PM, Ronald S. Bultje wrote:
> >>>
> >>> I'm afraid we'll have to convert the output files to rgb24 before
> >>> using tiny_psnr.
> >>
> >>
> >> That doesn't frighten me at all-- this was my typical M.O. in the
original
> >> FATE system when dealing with 16-bit RGB formats. But it doesn't work
in
> >> this case.
> >>
> >> (BTW, removed the superfluous '-f framecrc' option):
> >>
> >> avconv -i kgv1.avi -an -vcodec rawvideo -pix_fmt rgb24 -f rawvideo -y
> >> x86.raw
> >>
> >> avconv -i kgv1.avi -an -vcodec rawvideo -pix_fmt rgb24 -f rawvideo -y
> >> ppc.raw
> >>
> >> $ tiny_psnr ppc.raw x86.raw
> >> stddev: 14.00 PSNR: 25.20 MAXDIFF: 248 bytes:288460800/288460800
> >
> > That can't be right, PSNR = 25 means major artifacts. I don't really
> > have any ideas what's going on here. Maybe -sws_flags +bitexact will
> > do something?
>
> Different RGB order?
That's only for rgb/bgr32{,_1}, not rgb24...
Ronald
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