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How much storage do I need and what codec should I use for large video files? (sh.itjust.works)

submitted 3 weeks ago by UnRelatedBurner@sh.itjust.works to c/asklemmy@lemmy.ml

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I'm planning a huge playthru of a game, and I'd like to be able to look back at it years down the line. However I'm expecting it to be 100s of hours (maybe around/over 1k, but I hope not longer than 2k) and years to finish (I'm not planning on playing 8+h a day).

What are he most optimal settings for OBS to save as much video as possible, while it's still watchable?

I could record in 1440p 165fps. I know that's dumb, but idk how low I'm willing to go. 1440p sounds awesome, but lower than 1080p would lose too much information. Same with lower than 60fps. I don't have a clue as to what bitrate would do well, and what encoding is best. For bitrate I have a clue that it needs to be as high as possible. As it can be a bullethell and there are way to many particles/effects on screen, while everything that matters is small. (I'm not trying to be secretive here, game's modded Terraria)

I'd also state that I'd like to error on the storage side, I don't mind buying another HDD, they really aren't that expensive. And I'm also planning on editing the video down as soon as possible, so that I delete all the boring parts. Meaning I probably won't have all of that lenght on my disk at once.

Thank you for any aid in my crazy endeavour.

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[–] RagingHungryPanda@lemm.ee 3 points 2 weeks ago (1 children)

AV1 also supports variable frame rate. you may be able to use settings that reduce frames when not much is happening. I don't know how much it'll apply to Terraria though.

[–] UnRelatedBurner@sh.itjust.works 1 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

I tried encoding to AV1 with OBS and it stopped working. I tried converting h264 to AV1 and the filesize became larger. I think I'll stick to h264 lol

[–] 2xsaiko@discuss.tchncs.de 2 points 2 weeks ago

You likely need to tweak the CRF/other parameters. Take a look at https://trac.ffmpeg.org/wiki/Encode/AV1

(Note that I don't know how exactly to tune the parameters to get the best quality/size at the expense of encode speed which is what I would do here.)