Can't watch 10bit HEVC video

Can't watch 10bit HEVC video

Hi all, I have my Skylake system with an RX 560 running Ventura very smooth. I spoofed my iGPU to the closest Kaby Lake iGPU to make it work on Ventura. Everything works flawlessly, except for one thing I just discovered today.

I open a 10 bit HDR with Dolby Vision video recored by an iPhone and it shows this

https://preview.redd.it/orhqqsoqpxqb1.png?width=1523&format=png&auto=webp&s=be886b29365294e4d563c284ac34388805bf15b6

It seems like my iGPU can't decode 10bit HEVC video. I tried using an override command to force my hack use my dGPU to decode, and it plays back beautifully. But this override will break FaceTime video calls. I want to make both functions to work. 1 option is switching my SMBIOS from iMac 18,3 to iMac Pro 1,1. But this won't take advantage of my iGPU.

How do I make my system decode 10bit HEVC without needing to enable the override?

submitted by /u/KVyDavid
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