update luma calculation to latest ITU standard

FedeDP / Clightd

A linux bus interface that lets you change screen brightness, compute captured webcam frames brightness and change screen temperature.

GNU General Public License v3.0

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Closed tpeacock19 closed 1 year ago

tpeacock19 commented 1 year ago

As discussed in #96, this is to update the luma coefficient calculation to follow ITU BT.709-6.

FedeDP commented 1 year ago

Thank you!