[FFmpeg-user] libx265 a lot slower

Reindl Harald h.reindl at thelounge.net
Tue Aug 18 00:49:49 EEST 2020

Am 17.08.20 um 22:53 schrieb Cecil Westerhof:
> Reindl Harald <h.reindl at thelounge.net> writes:
>> we have 2020 - there is "performance h264 versus h265" which you can
>> type in any search engine - disclaimer: educate yourself for free may
>> make you smarter
>> i don't get questions which can be answered by goggole at all because
>> it#s so much faster and very few questions are not asked and answered
>> doezns of times
> Maybe I am just dumb and I use the wrong questions, but when I
> searched I got a lot of hits that explained I needed tot switch
> because the space needed would be halved

*need* to switch is nonsense

you don't re-encode existng stuff with a losy codec anyways

> (what is not true, I did see
> 'only' a 2/3) and a few explained that you could not use h265
> everywhere

which is also common sense

your device from before H265 existed which don#t get firmware updates
won't play H265 encoded stuff as devices from before H264 don't play
H264 stuff

> My question was not about that there was a performance hit, but about
> that it was so high.

in pure software be happy when you can *decode* it in realtime

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