On 1/10/12, Ronald S. Bultje <[email protected]> wrote: > Hi, > > On Sun, Jan 8, 2012 at 5:34 PM, Ronald S. Bultje <[email protected]> wrote: >> 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? > > Compare: > ./avplay -vf format=rgb555be ~/Movies/fate-suite/kega/kgv1.avi > ./avplay -vf format=rgb24 ~/Movies/fate-suite/kega/kgv1.avi > ./avplay -vf format=rgb555be,format=rgb24 ~/Movies/fate-suite/kega/kgv1.avi > > Looks to me like rgb555be-to-rgb24 conversion is broken.
Also this: format=rgb555le,format=bgr555be _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
