[Ffmpeg-devel] Threading in libavcodec
Sun Jan 22 23:51:29 CET 2006
Christian Iversen <chrivers at iversen-net.dk> writes:
> 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.
Excuse my ignorance, but I must have missed something. What is the
image quality index?
mru at inprovide.com
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