4k play back and audio passthrough

[TheCoolest]

Make sure to switch into Expert view in the Audio menu and enable passthrough for the formats your A/V equipment supports, then follow this post: (you need to be running a nightly build for this)

Nightly builds

Thanks to a user’s contribution, we now have LPCM support in the 4.9 kernel (Amlogic-ng). Everything has been pushed, and should be available in the next nightly build. (20190929) We were able to test it on Odroid N2 and Beelink GT-King. We have not tested it on S905X2 devices, but it should work. Please report any issues with this new feature. Configuration: Disable the Enable Dolby Digital (AC3) transcoding option under Audio Passthrough Select the HDMI Multi Ch PCM option in Audio output…