complete!
Movies:
* SD - 125 hours / 330 GB
* HD - 97 hours / 1043 GB
* 4K - 52 hours / 1740 GB
Shows:
* SD - 409 hours / 990 GB
* HD - 558 hours / 6007 GB
* 4K - 8 hours / 244 GB
Total: ~10 TB
Leaving 4K as-is and recompressing SD and HD to AV1 at crf 20 should yield approximately 5 TB savings.
Or, I can double the capacity by spending my hard-earned cash instead of my time dealing with compression.
We'll decide later. ;)