Comment on [deleted]
BlackLaZoR@lemmy.world 2 weeks ago
If the raw file is compressed to piss poor quality with an algorithm, the same algorithm could be used to faithfully (or with a margin of error outside our sensorial capabilities) live upscale the media file back while you are playing it
No it can’t. Almost all video compression formats are lossy meaning that data is permanently lost. You can’t recover it
one_old_coder@piefed.social 2 weeks ago
AFAIK the only algorithms that can do this is JPEG-XL which can compress a JPEG and still recover the original file. But that not really lossy compression.