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

submitted 2 months ago by [email protected] to c/[email protected]

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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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[–] [email protected] 2 points 2 months ago (1 children)

twitch - the gameplay streaming platform - limits 1080p streams to 8000 kbps at most, at 60 FPS. I think it exclusively uses H264 encoding. For most games this is plenty.
There are some where it can be felt that it's not enough, but in those cases it's always the bitrate.

these games include

escape from tarkov because of it's environment, especially if the player has taken I think painkillers, and in turn has sharper/different vision. compression is really struggling there
no mans sky when traveling in hyperspace, this is the most extreme case I have seen so far
any games that have darker scenes (not necessarily in a "bright night" style) will have it visible

unless you are playing a quick action first person shooter, 165 fps is totally unnecessary, 60 is plenty.
1440p, I'm not sure. if thats your screen resolution, maybe it's better to not lose quality to downscaling, more so because it can't be done by just averaging every 2 pixels, it would bea weird ratio I think

for encoding.. what hardware you have?
x265 is more efficient than x264, if you can afford the performance, but if you have a graphics card with hardware accelerated AV1 encoding, that may be even better. do some test recordings though.

[–] [email protected] 1 points 2 months ago

my AMD 6000 series GPU only supports decoding for AV1. And yeah I quietly decided that 60fps will be perfect.