For those of you that torrent video files this question is geared toward you. I'm looking for a sweet spot between quality, size & speed for HEVC encoding. I'm using FastFlix and seem to be getting really wide and varying speeds.

I'm not really literate on all this video lingo but I can, at least, get it going. Most files take anywhere from 5-17 mins for a 30-40 mins clip. I have a AMD Radeon RX 470 graphics card but when I try and use the VCEEnc it won't let me use CRF which I've heard it the best way.

Anyway, if you're willing to share knowledge or what settings you use when you convert video to HEVC that might help me speed up my processing, I would be eternally grateful.

you are viewing a single comment's thread
view the rest of the comments

[–] rice@lemmy.org 2 points 1 day ago (1 children)

No, the specific file size is irrelevant, he's wanting smaller file sizes. CRF is a waste of data on more than 70% of scenes in hollywood movies. You set a bitrate and let it go. This is also why virtually all music now is VBR

[–] WolfLink@sh.itjust.works 1 points 1 day ago* (last edited 1 day ago)

Are you confusing CRF with CBR?

CRF is the video equivalent of VBR music. The music equivalent of two-pass video encoding is ABR music.

When tuned for a specific file, CRF and two-pass video will give similar results. They both result in a variable bitrate encoding.

When using the same config on different files, you might find that two-pass encoding produces unnecessarily large files for something with little movement like anime, or has quality issues for something with a lot of movement like a lot of shaky camera or film grain. Meanwhile the same CRF setting will work well in just about any scenario, using more bitrate for files that need it, and less bitrate for files that don’t.