av1

const (
	OBU_SEQUENCE_HEADER        = 1
	OBU_TEMPORAL_DELIMITER     = 2
	OBU_FRAME_HEADER           = 3
	OBU_TILE_GROUP             = 4
	OBU_METADATA               = 5
	OBU_FRAME                  = 6
	OBU_REDUNDANT_FRAME_HEADER = 7
	OBU_TILE_LIST              = 8
	OBU_PADDING                = 15
)

const (
	CP_BT_709       = 1  //	BT.709
	CP_UNSPECIFIED  = 2  //	Unspecified
	CP_BT_470_M     = 4  //	BT.470 System M (historical)
	CP_BT_470_B_G   = 5  //	BT.470 System B, G (historical)
	CP_BT_601       = 6  //	BT.601
	CP_SMPTE_240    = 7  //	SMPTE 240
	CP_GENERIC_FILM = 8  //	Generic film (color filters using illuminant C)
	CP_BT_2020      = 9  //	BT.2020, BT.2100
	CP_XYZ          = 10 //	SMPTE 428 (CIE 1921 XYZ)
	CP_SMPTE_431    = 11 //	SMPTE RP 431-2
	CP_SMPTE_432    = 12 //	SMPTE EG 432-,1
	CP_EBU_3213     = 22 //	EBU Tech. 3213-E
)

const (
	TC_RESERVED_0     = 0  //		For future use
	TC_BT_709         = 1  //		BT.709
	TC_UNSPECIFIED    = 2  //		Unspecified
	TC_RESERVED_3     = 3  //		For future use
	TC_BT_470_M       = 4  //		BT.470 System M (historical)
	TC_BT_470_B_G     = 5  //		BT.470 System B, G (historical)
	TC_BT_601         = 6  //		BT.601
	TC_SMPTE_240      = 7  //		SMPTE 240 M
	TC_LINEAR         = 8  //		Linear
	TC_LOG_100        = 9  //		Logarithmic (100 : 1 range)
	TC_LOG_100_SQRT10 = 10 //		Logarithmic (100 * Sqrt(10) : 1 range)
	TC_IEC_61966      = 11 //		IEC 61966-2-4
	TC_BT_1361        = 12 //		BT.1361
	TC_SRGB           = 13 //		sRGB or sYCC
	TC_BT_2020_10_BIT = 14 //		BT.2020 10-bit systems
	TC_BT_2020_12_BIT = 15 //		BT.2020 12-bit systems
	TC_SMPTE_2084     = 16 //		SMPTE ST 2084, ITU BT.2100 PQ
	TC_SMPTE_428      = 17 //		SMPTE ST 428
	TC_HLG            = 18 //		BT.2100 HLG, ARIB STD-B67
)

const (
	MC_IDENTITY    = 0  //		Identity matrix
	MC_BT_709      = 1  //		BT.709
	MC_UNSPECIFIED = 2  //		Unspecified
	MC_RESERVED_3  = 3  //		For future use
	MC_FCC         = 4  //		US FCC 73.628
	MC_BT_470_B_G  = 5  //		BT.470 System B, G (historical)
	MC_BT_601      = 6  //		BT.601
	MC_SMPTE_240   = 7  //		SMPTE 240 M
	MC_SMPTE_YCGCO = 8  //		YCgCo
	MC_BT_2020_NCL = 9  //		BT.2020 non-constant luminance, BT.2100 YCbCr
	MC_BT_2020_CL  = 10 //		BT.2020 constant luminance
	MC_SMPTE_2085  = 11 //		SMPTE ST 2085 YDzDx
	MC_CHROMAT_NCL = 12 //		Chromaticity-derived non-constant luminance
	MC_CHROMAT_CL  = 13 //		Chromaticity-derived constant luminance
	MC_ICTCP       = 14 //		BT.2100 ICtCp
)

const (
	SEQ_PROFILE_MAIN         = 0
	SEQ_PROFILE_HIGH         = 1
	SEQ_PROFILE_PROFESSIONAL = 2
)

const SELECT_SCREEN_CONTENT_TOOLS = 2