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Video Upscaling Applications
(lemmy.dbzer0.com)
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this post was submitted on 18 Sep 2023
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You could use
ffmpegor python to split the video into a sequence of images and an audio file, then AI upscale the images using Upscayl, and finally combine the upscaled images and audio back into a video, usingffmpeg.I've seen issues in the past where the audio would be out-of-sync when recombining the frames because ffmpeg wouldn't output the right number of frames, so someone wrote a python script to split the video into frames and apparently it works correctly.
Also see: https://superuser.com/questions/1758192/how-can-i-split-a-video-into-frames-and-then-reassemble-it-with-the-audio-too
This probably won't work well because you will want stability between images. An upscaler that isn't video-aware will result in lots of distracting flickering.
Off topic but that one answer on superuser looks a lot like it was AI generated.
Wow, I didn’t think of that. Thank you!
Wouldn't you lose a lot of quality during decode/encode?
Not really, because you can output to png so decoding is lossless, and since your AI upscaled images are of a much higher quality, the resultant video would be a higher quality video as well.