Sorry for the delayed reply. > I just did: > https://ffmpeg.org/trac/ffmpeg/ticket/2394
Great! I'll be sure to keep an eye on that ticket. > Not at all. Possibly assembly optimization that are not used. Can you > compare speed? > > The problem comes from asm mmx optimization that > > does not get compiled with msvc. Ah, okay. I wish I could be of more help with finding the root cause, but I have to admit that asm is not my forté. > If you do extensive comparisons to find out the best way of splitting the > scaling, please report the results. Will do.
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