video-color: Add SMPTE ST 2084 support and BT 2100 colorimetry
SMPTE ST 2084 transfer characteristics (a.k.a ITU-R BT.2100-1 perceptual quantization, PQ) is used for various HDR standard. With ST 2084, we can represent BT 2100 (Rec. 2100). BT 2100 defines various aspect of HDR such as resolution, transfer functions, matrix, primaries and etc. It uses BT2020 color space (primaries and matrix) with PQ or HLG transfer functions.
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