I'm trying to encode DVD-quality video with ffmpeg and nlmeans filtering (well, that's what the title says). But even on the top Core i7 CPU I have barely 12 frames per sec, and only one core is in use (75% idle). On older machines it's less than 1-2 fps.
Is it really so slow, or it's just me? No multithreading? No GPU optimization?
Default settings, windows7x64, zeranoe build.
I've used FFMpeg and I can confirm that you can see surprisingly slow frame times. I've experienced 30% total usage on an i7 core with 2 solid cores. Adding another compression stream bumped the CPU up to 70% at which point I abandoned that approach (4 streams were needed and a maxed-out CPU was not an option). I think that as FFMpeg is written with very low-level requirements (ie you can run it on microcontrollers if you wish!) it doesn't natively use all your MMX/SIMD magic extensions etc. Also you're likely to be compressing on only a single thread.
Good Luck!
