#
# Copyright (c) 2021-2025 Fredrik Mellbin
#
# This file is part of VapourSynth.
#
# VapourSynth is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# VapourSynth is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with VapourSynth; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#

from enum import IntEnum, IntFlag

cdef extern from "include/VSConstants4.h" nogil:
    enum:
        VSC_RANGE_FULL
        VSC_RANGE_LIMITED

    enum:
        VSC_CHROMA_LEFT
        VSC_CHROMA_CENTER
        VSC_CHROMA_TOP_LEFT
        VSC_CHROMA_TOP
        VSC_CHROMA_BOTTOM_LEFT
        VSC_CHROMA_BOTTOM

    enum:
        VSC_FIELD_PROGRESSIVE
        VSC_FIELD_TOP
        VSC_FIELD_BOTTOM

    enum:
        VSC_MATRIX_RGB
        VSC_MATRIX_BT709
        VSC_MATRIX_UNSPECIFIED
        VSC_MATRIX_FCC
        VSC_MATRIX_BT470_BG
        VSC_MATRIX_ST170_M
        VSC_MATRIX_ST240_M
        VSC_MATRIX_YCGCO
        VSC_MATRIX_BT2020_NCL
        VSC_MATRIX_BT2020_CL
        VSC_MATRIX_CHROMATICITY_DERIVED_NCL
        VSC_MATRIX_CHROMATICITY_DERIVED_CL
        VSC_MATRIX_ICTCP

    enum:
        VSC_TRANSFER_BT709
        VSC_TRANSFER_UNSPECIFIED
        VSC_TRANSFER_BT470_M
        VSC_TRANSFER_BT470_BG
        VSC_TRANSFER_BT601
        VSC_TRANSFER_ST240_M
        VSC_TRANSFER_LINEAR
        VSC_TRANSFER_LOG_100
        VSC_TRANSFER_LOG_316
        VSC_TRANSFER_IEC_61966_2_4
        VSC_TRANSFER_IEC_61966_2_1
        VSC_TRANSFER_BT2020_10
        VSC_TRANSFER_BT2020_12
        VSC_TRANSFER_ST2084
        VSC_TRANSFER_ST428
        VSC_TRANSFER_ARIB_B67

    enum:
        VSC_PRIMARIES_BT709
        VSC_PRIMARIES_UNSPECIFIED
        VSC_PRIMARIES_BT470_M
        VSC_PRIMARIES_BT470_BG
        VSC_PRIMARIES_ST170_M
        VSC_PRIMARIES_ST240_M
        VSC_PRIMARIES_FILM
        VSC_PRIMARIES_BT2020
        VSC_PRIMARIES_ST428
        VSC_PRIMARIES_ST431_2
        VSC_PRIMARIES_ST432_1
        VSC_PRIMARIES_EBU3213_E

class ColorRange(IntEnum):
    RANGE_FULL = VSC_RANGE_FULL
    RANGE_LIMITED = VSC_RANGE_LIMITED

class ChromaLocation(IntEnum):
    CHROMA_LEFT = VSC_CHROMA_LEFT
    CHROMA_CENTER = VSC_CHROMA_CENTER
    CHROMA_TOP_LEFT = VSC_CHROMA_TOP_LEFT
    CHROMA_TOP = VSC_CHROMA_TOP
    CHROMA_BOTTOM_LEFT = VSC_CHROMA_BOTTOM_LEFT
    CHROMA_BOTTOM = VSC_CHROMA_BOTTOM
    
class FieldBased(IntEnum):
    FIELD_PROGRESSIVE = VSC_FIELD_PROGRESSIVE
    FIELD_TOP = VSC_FIELD_TOP
    FIELD_BOTTOM = VSC_FIELD_BOTTOM
    
class MatrixCoefficients(IntEnum):
    MATRIX_RGB = VSC_MATRIX_RGB
    MATRIX_BT709 = VSC_MATRIX_BT709
    MATRIX_UNSPECIFIED = VSC_MATRIX_UNSPECIFIED
    MATRIX_FCC = VSC_MATRIX_FCC
    MATRIX_BT470_BG = VSC_MATRIX_BT470_BG
    MATRIX_ST170_M = VSC_MATRIX_ST170_M
    MATRIX_ST240_M = VSC_MATRIX_ST240_M
    MATRIX_YCGCO = VSC_MATRIX_YCGCO
    MATRIX_BT2020_NCL = VSC_MATRIX_BT2020_NCL
    MATRIX_BT2020_CL = VSC_MATRIX_BT2020_CL
    MATRIX_CHROMATICITY_DERIVED_NCL = VSC_MATRIX_CHROMATICITY_DERIVED_NCL
    MATRIX_CHROMATICITY_DERIVED_CL = VSC_MATRIX_CHROMATICITY_DERIVED_CL
    MATRIX_ICTCP = VSC_MATRIX_ICTCP
    
class TransferCharacteristics(IntEnum):
    TRANSFER_BT709 = VSC_TRANSFER_BT709
    TRANSFER_UNSPECIFIED = VSC_TRANSFER_UNSPECIFIED
    TRANSFER_BT470_M = VSC_TRANSFER_BT470_M
    TRANSFER_BT470_BG = VSC_TRANSFER_BT470_BG
    TRANSFER_BT601 = VSC_TRANSFER_BT601
    TRANSFER_ST240_M = VSC_TRANSFER_ST240_M
    TRANSFER_LINEAR = VSC_TRANSFER_LINEAR
    TRANSFER_LOG_100 = VSC_TRANSFER_LOG_100
    TRANSFER_LOG_316 = VSC_TRANSFER_LOG_316
    TRANSFER_IEC_61966_2_4 = VSC_TRANSFER_IEC_61966_2_4
    TRANSFER_IEC_61966_2_1 = VSC_TRANSFER_IEC_61966_2_1
    TRANSFER_BT2020_10 = VSC_TRANSFER_BT2020_10
    TRANSFER_BT2020_12 = VSC_TRANSFER_BT2020_12
    TRANSFER_ST2084 = VSC_TRANSFER_ST2084
    TRANSFER_ST428 = VSC_TRANSFER_ST428
    TRANSFER_ARIB_B67 = VSC_TRANSFER_ARIB_B67

class ColorPrimaries(IntEnum):
    PRIMARIES_BT709 = VSC_PRIMARIES_BT709
    PRIMARIES_UNSPECIFIED = VSC_PRIMARIES_UNSPECIFIED
    PRIMARIES_BT470_M = VSC_PRIMARIES_BT470_M
    PRIMARIES_BT470_BG = VSC_PRIMARIES_BT470_BG
    PRIMARIES_ST170_M = VSC_PRIMARIES_ST170_M
    PRIMARIES_ST240_M = VSC_PRIMARIES_ST240_M
    PRIMARIES_FILM = VSC_PRIMARIES_FILM
    PRIMARIES_BT2020 = VSC_PRIMARIES_BT2020
    PRIMARIES_ST428 = VSC_PRIMARIES_ST428
    PRIMARIES_ST431_2 = VSC_PRIMARIES_ST431_2
    PRIMARIES_ST432_1 = VSC_PRIMARIES_ST432_1
    PRIMARIES_EBU3213_E = VSC_PRIMARIES_EBU3213_E