this post was submitted on 18 Jul 2023
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Thanks for the detailed reply. I'll just stick to dvdrip for now. I tried using a machine learning upscaler (video2x) but it would take 20 minutes for a 5 minute video so I'll just drop that idea.
Do make sure your rips are good high bitrate ones if you can. It makes all the difference in being able to software upscale in video players successfully and generally making them look more acceptable in the HD age (1500-2000kbps for HEVC, 2000-3000kbps for AVC, 3000+ for anything older like mpeg2).
Whenever I need to do DVDs (no HD source) I tend to go for the direct rips with vob files and convert myself (unless I can find good encodes from a group like QxR or TAoE or private trackers Internals) as the older avi rips you find are typically just low quality from another age.
And yeah, proper ML up-scaling is incredibly intensive. You need a good high core count processor and probably 3-6 hours per half hour of video if not twice that.