Widevine L3 are galore. Ahem
The problem is the quality.
Those streams are only like 6-10mbps bitrate. A regular blu-ray is closer to 30, and UHD can be well over 100mbps.
The problem is the quality.
Those streams are only like 6-10mbps bitrate. A regular blu-ray is closer to 30, and UHD can be well over 100mbps.