Doom9's Forum - View Single Post - VDub2 Canopus HQX 16-bit negotiation issue

kolak · 11th April 2021, 18:11

Well, alpha is a separate "stream" inside ProRes444. It's just losslessly compressed bits, more like a data than video.
444 is always encoded as 12bit. Alpha can be processed as 8 or 16bit.

11th April 2021, 18:11	#102 \| Link
kolak Registered User Join Date: Nov 2004 Location: Poland Posts: 2,843	Well, alpha is a separate "stream" inside ProRes444. It's just losslessly compressed bits, more like a data than video. 444 is always encoded as 12bit. Alpha can be processed as 8 or 16bit.