[Ffmpeg-devel] Threading in libavcodec
Sun Jan 22 23:27:51 CET 2006
On Sunday 22 January 2006 23:04, M?ns Rullg?rd wrote:
> Mathieu Monnier <manao at melix.net> writes:
> >> That would be the case if the single-threaded encode used the same
> >> slice structure as the multi-threaded version.
> > With XviD, it does. When I said binary identical, I meant on the
> > bitstream level, not on the decoded pictures.
> That's what I meant too. I wouldn't be talking about slices
> >> How does xvid compare against single-threaded lavc?
> > I could point you toward the doom9 comparison, but I guess it might
> > not be welcomed here ;)
> > Can you refine what you want to compare ? Quality, or speed ?
> PSNR at a given bitrate or bitrate at a given PSNR.
Actually, how about calculating the Image Quality Index instead? It looks
really promising over PSNR.
(apologies if this has already been discussed to death)
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