Content light metadata are only used if the display has not the desired luminosity. HDR10 strictly follows smpte2084. The TV scales itself brightness and contrast.
HLG arib-std-b67 is based on max 1000nit. The TV knows that and scales brightness automatically without HDR metadata.
repeat-headers for HLG is not necessary.
Last edited by frank; 22nd January 2022 at 12:34.
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