######################################### SDR BT 2020 #########################################

# BT2020 nex.vui.colour_primaries=9 nex.vui.transfer_characteristics=14 nex.vui.matrix_coefficients=9

######################################### # HLG10 HDR in VUI #########################################

#—————————————————————————————–# # VUI + SEI parameters for HLG conformance with backward compatibility # #—————————————————————————————–# # ITU BT-2020 + SDR Rec.2020 EOTF for backward compatibility nex.vui.colour_primaries=9 # (use 1 for Rec.709) nex.vui.transfer_characteristics=18 # (use 1 for Rec.709) functionally the same nex.vui.matrix_coefficients=9 # (use 1 for Rec.709)

######################################### # HLG10 SDR in VUI HDR in SEI #########################################

#—————————————————————————————–# # VUI + SEI parameters for HLG conformance with backward compatibility # #—————————————————————————————–# # ITU BT-2020 + SDR Rec.2020 EOTF for backward compatibility nex.vui.colour_primaries=9 # (use 1 for Rec.709) nex.vui.transfer_characteristics=14 # (use 1 for Rec.709) functionally the same nex.vui.matrix_coefficients=9 # (use 1 for Rec.709)

# HDR compatibility SEI nex.sei.hdr_compatibility_message=1 nex.sei.hdr_compatibility_sei.m_hdr_transfer_characteristics_idc=18 nex.HDRcompatibilitySEIpayload=147 # to specify a different payload value

######################################### # PQ10 ######################################### #———————————————————————# # VUI parameters for SMPTE ST-2084 conformance # #———————————————————————# # ITU BT-709 + SMPTE ST-2084 # nex.vui.colour_primaries=1 # nex.vui.transfer_characteristics=16 # nex.vui.matrix_coefficients=1

# ITU BT-2020 + SMPTE ST-2084 # nex.vui.colour_primaries=9 # nex.vui.transfer_characteristics=16 # nex.vui.matrix_coefficients=9

  ######################################### # HDR10 ######################################### #———————————————————————# # VUI parameters for SMPTE ST-2084 conformance # #———————————————————————# # ITU BT-709 + SMPTE ST-2084 # nex.vui.colour_primaries=1 # nex.vui.transfer_characteristics=16 # nex.vui.matrix_coefficients=1

# ITU BT-2020 + SMPTE ST-2084 # nex.vui.colour_primaries=9 # nex.vui.transfer_characteristics=16 # nex.vui.matrix_coefficients=9

#——————————————————————–# # SEI parameters for SMPTE ST-2086 conformance # #——————————————————————–#

# Enable mastering display colour volume SEI message (D.2.27-D.3.27). nex.sei.mastering_display_colour_volume_message=1

# These values should be set according to production. # scale - 50000 units # DCI-P3 nex.sei.mastering_display_colour_volume_sei.m_display_primaries[0][0] = 13200; nex.sei.mastering_display_colour_volume_sei.m_display_primaries[0][1] = 34500; nex.sei.mastering_display_colour_volume_sei.m_display_primaries[1][0] = 1500; nex.sei.mastering_display_colour_volume_sei.m_display_primaries[1][1] = 3000; nex.sei.mastering_display_colour_volume_sei.m_display_primaries[2][0] = 34000; nex.sei.mastering_display_colour_volume_sei.m_display_primaries[2][1] = 16000; nex.sei.mastering_display_colour_volume_sei.m_white_point[0] = 15634; nex.sei.mastering_display_colour_volume_sei.m_white_point[1] = 16450;

# scale - 10000 units #nex.sei.mastering_display_colour_volume_sei.m_max_luminance=1500000 # SDR 150 nits #nex.sei.mastering_display_colour_volume_sei.m_max_luminance=10000000 # HDR 1000 nits #nex.sei.mastering_display_colour_volume_sei.m_min_luminance=0

NOTE the values for nex.sei.mastering_display_colour_volume_sei.m_display_primaries should come from the customer (from their content) if they don’t have these values then leave these lines off and use the PQ10 settings above.