the color matrix. Used to convert between Y'PbPr and non-linear RGB (R'G'B')
color primaries. used to convert between R'G'B' and CIE XYZ
the color range. This is the valid range for the samples. It is used to convert the samples to Y'PbPr values.
the transfer function. used to convert between R'G'B' and RGB
Structure describing the color info.