[FFmpeg-user] libx265 a lot slower

Reindl Harald h.reindl at thelounge.net
Sun Aug 16 19:24:41 EEST 2020

Am 16.08.20 um 16:48 schrieb Cecil Westerhof:
> I heard a lot that you should libx265 instead of libx264. I did not,
> because at some places that went wrong. (I think uploading. But it is
> several years ago, so I am not sure.)
> I am again playing with ffmpeg and creating new scripts.
> When using libx265 the file size is about a third smaller, but it
> takes about 2.5 to 3 times longer to generate the file. Is this
> normal, or a quirk at my side?
> For the moment I stay with libx264

what do you expect?

H264 is also a lot slower and more expensive comapred ot codes from the
1990s and you can't expect better quality and smaller files falling free
from heaven

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