lepton_jpeg 0.2.0

Rust port of the Lepton JPEG compression library
Documentation 
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/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the Apache License, Version 2.0. See LICENSE.txt in the project root for license information.
 *  This software incorporates material from third parties. See NOTICE.txt for details.
 *--------------------------------------------------------------------------------------------*/

#[derive(PartialEq, Debug)]
pub enum JPegDecodeStatus {
    DecodeInProgress,
    RestartIntervalExpired,
    ScanCompleted,
}

#[derive(PartialEq, Debug)]
pub enum JPegType {
    Unknown,
    Sequential,
    Progressive,
}

pub const COLOR_CHANNEL_NUM_BLOCK_TYPES: usize = 3;

pub const ALIGNED_BLOCK_INDEX_AC_7X7_INDEX: usize = 0;
pub const ALIGNED_BLOCK_INDEX_DC_INDEX: usize = 49;

pub const ZIGZAG_TO_ALIGNED: [u8; 64] = [
    49, 50, 57, 58, 0, 51, 52, 1, 2, 59, 60, 3, 4, 5, 53, 54, 6, 7, 8, 9, 61, 62, 10, 11, 12, 13,
    14, 55, 56, 15, 16, 17, 18, 19, 20, 63, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
    35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
];

pub const RASTER_TO_ALIGNED: [u8; 64] = [
    49, 50, 51, 52, 53, 54, 55, 56, 57, 0, 1, 5, 6, 14, 15, 27, 58, 2, 4, 7, 13, 16, 26, 28, 59, 3,
    8, 12, 17, 25, 29, 38, 60, 9, 11, 18, 24, 30, 37, 39, 61, 10, 19, 23, 31, 36, 40, 45, 62, 20,
    22, 32, 35, 41, 44, 46, 63, 21, 33, 34, 42, 43, 47, 48,
];

pub const RASTER_TO_JPEG_ZIGZAG: [u8; 64] = [
    0, 1, 5, 6, 14, 15, 27, 28, 2, 4, 7, 13, 16, 26, 29, 42, 3, 8, 12, 17, 25, 30, 41, 43, 9, 11,
    18, 24, 31, 40, 44, 53, 10, 19, 23, 32, 39, 45, 52, 54, 20, 22, 33, 38, 46, 51, 55, 60, 21, 34,
    37, 47, 50, 56, 59, 61, 35, 36, 48, 49, 57, 58, 62, 63,
];

pub const UNZIGZAG_49: [u8; 49] = [
    9, 10, 17, 25, 18, 11, 12, 19, 26, 33, 41, 34, 27, 20, 13, 14, 21, 28, 35, 42, 49, 57, 50, 43,
    36, 29, 22, 15, 23, 30, 37, 44, 51, 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62,
    63,
];

// precalculated int base values for 8x8 dct scaled by 8192
pub const ICOS_BASED_8192_SCALED: [i32; 64] = [
    8192, 8192, 8192, 8192, 8192, 8192, 8192, 8192, 11363, 9633, 6436, 2260, -2260, -6436, -9633,
    -11363, 10703, 4433, -4433, -10703, -10703, -4433, 4433, 10703, 9633, -2260, -11363, -6436,
    6436, 11363, 2260, -9633, 8192, -8192, -8192, 8192, 8192, -8192, -8192, 8192, 6436, -11363,
    2260, 9633, -9633, -2260, 11363, -6436, 4433, -10703, 10703, -4433, -4433, 10703, -10703, 4433,
    2260, -6436, 9633, -11363, 11363, -9633, 6436, -2260,
];

pub const ICOS_IDCT_LINEAR_8192_SCALED: [i32; 64] = [
    1024, 1420, 1338, 1204, 1024, 805, 554, 283, 1024, 1204, 554, -283, -1024, -1420, -1338, -805,
    1024, 805, -554, -1420, -1024, 283, 1338, 1204, 1024, 283, -1338, -805, 1024, 1204, -554,
    -1420, 1024, -283, -1338, 805, 1024, -1204, -554, 1420, 1024, -805, -554, 1420, -1024, -283,
    1338, -1204, 1024, -1204, 554, 283, -1024, 1420, -1338, 805, 1024, -1420, 1338, -1204, 1024,
    -805, 554, -283,
];

pub const FREQ_MAX: [u16; 64] = [
    1024, 931, 985, 968, 1020, 968, 1020, 1020, 932, 858, 884, 840, 932, 838, 854, 854, 985, 884,
    871, 875, 985, 878, 871, 854, 967, 841, 876, 844, 967, 886, 870, 837, 1020, 932, 985, 967,
    1020, 969, 1020, 1020, 969, 838, 878, 886, 969, 838, 969, 838, 1020, 854, 871, 870, 1010, 969,
    1020, 1020, 1020, 854, 854, 838, 1020, 838, 1020, 838,
];

pub const LOG_TABLE_256: [u8; 256] = [
    0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
];

pub const NON_ZERO_TO_BIN: [[u8; 50]; 49] = [
    [
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    ],
    [
        0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
        1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
    ],
    [
        0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
        2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
    ],
    [
        0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
        3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
    ],
    [
        0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
        4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
    ],
    [
        0, 1, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5,
        5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
    ],
    [
        0, 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6,
        6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
    ],
    [
        0, 1, 2, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7,
        7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
    ],
    [
        0, 1, 2, 3, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
        8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
    ],
    [
        0, 1, 2, 3, 4, 4, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8,
        8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
    ], // <-- cur
    [
        0, 1, 2, 3, 4, 5, 5, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9,
        9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10,
        10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 11,
        11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11,
        11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
        13,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12,
        12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
        14,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 12, 13, 13, 13,
        13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
        15, 15,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 13, 14,
        14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
        16, 16,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 14,
        15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 17, 17,
        17, 17,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15,
        15, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 18,
        18, 18,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16,
        16, 16, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19,
        19, 19,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 15, 15, 15, 16, 16, 16, 17, 17, 17,
        17, 17, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20,
        20, 20,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 16, 16, 17, 17, 17, 17, 18, 18,
        18, 18, 18, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 21,
        21, 21,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 17, 17, 18, 18, 18, 18, 19,
        19, 19, 19, 19, 20, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22,
        22, 22,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 18, 18, 19, 19, 19, 19,
        20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23,
        23, 23,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 19, 19, 20, 20, 20,
        20, 21, 21, 21, 21, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24,
        24, 24,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 20, 21, 21, 21,
        21, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 25, 25, 25, 25, 25, 25,
        25, 25,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 21, 22, 22,
        22, 22, 23, 23, 23, 23, 24, 24, 24, 24, 24, 25, 25, 25, 25, 25, 25, 26, 26, 26, 26, 26, 26,
        26, 26,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 22, 23,
        23, 23, 23, 24, 24, 24, 24, 25, 25, 25, 25, 25, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27,
        27, 27,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        24, 24, 24, 25, 25, 25, 25, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 28, 28, 28, 28, 28,
        28, 28,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 25, 25, 25, 26, 26, 26, 26, 27, 27, 27, 27, 28, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29,
        29, 29,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 26, 26, 26, 27, 27, 27, 27, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29, 30, 30, 30, 30, 30,
        30, 30,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 26, 27, 27, 27, 28, 28, 28, 28, 29, 29, 29, 29, 30, 30, 30, 30, 30, 31, 31, 31, 31, 31,
        31, 31,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 26, 27, 28, 28, 29, 29, 29, 29, 30, 30, 30, 30, 31, 31, 31, 31, 31, 32, 32, 32, 32, 32,
        32, 32,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 26, 27, 28, 29, 29, 30, 30, 30, 31, 31, 31, 31, 31, 32, 32, 32, 32, 32, 33, 33, 33, 33,
        33, 33,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 26, 27, 28, 29, 30, 31, 31, 31, 31, 32, 32, 32, 32, 33, 33, 33, 33, 33, 34, 34, 34, 34,
        34, 34,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 26, 27, 28, 29, 30, 31, 32, 32, 32, 33, 33, 33, 33, 34, 34, 34, 34, 34, 35, 35, 35, 35,
        35, 35,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 26, 27, 28, 29, 30, 31, 32, 33, 33, 34, 34, 34, 34, 35, 35, 35, 35, 35, 36, 36, 36, 36,
        36, 36,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 34, 35, 35, 35, 35, 36, 36, 36, 36, 37, 37, 37, 37,
        37, 37,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 36, 36, 36, 37, 37, 37, 37, 38, 38, 38, 38,
        38, 38,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 37, 37, 38, 38, 38, 38, 39, 39, 39, 39,
        39, 39,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 38, 39, 39, 39, 39, 40, 40, 40, 40,
        40, 40,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 39, 40, 40, 40, 40, 41, 41, 41,
        41, 41,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 41, 41, 41, 42, 42, 42,
        42, 42,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 42, 42, 43, 43, 43,
        43, 43,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 43, 44, 44, 44,
        44, 44,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 45, 45,
        45, 45,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 46,
        46, 46,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
        47, 47,
    ],
    [
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
        48, 48,
    ],
];

//pub const MAX_FILE_SIZE_BYTES : i32 = 128 * 1024 * 1024;
pub const MAX_THREADS: usize = 8;

pub const RESIDUAL_NOISE_FLOOR: usize = 7;

pub const LEPTON_VERSION: u8 = 1; // Lepton version, same as used by Lepton C++ since we support the same format
pub const MAX_FILE_SIZE_BYTES: i32 = 128 * 1024 * 1024;
//pub const LogMaxNumerator : i32 = 18;
//pub const DefaultEncodingThreads : usize = 8;
pub const SMALL_FILE_BYTES_PER_ENCDOING_THREAD: usize = 125000;
//pub const TailGarbageBufferLength : i32 = 1024;
pub const MAX_THREADS_SUPPORTED_BY_LEPTON_FORMAT: usize = 16; // Number of threads minus 1 should fit in 4 bits

//pub const SingleFFByte : [u8;1] = [ 0xFF ];
pub const EOI: [u8; 2] = [0xFF, crate::jpeg_code::EOI]; // EOI segment
pub const SOI: [u8; 2] = [0xFF, crate::jpeg_code::SOI]; // SOI segment
pub const LEPTON_FILE_HEADER: [u8; 2] = [0xcf, 0x84]; // the tau symbol for a tau lepton in utf-8
pub const LEPTON_HEADER_BASELINE_JPEG_TYPE: [u8; 1] = [b'Z'];
pub const LEPTON_HEADER_PROGRESSIVE_JPEG_TYPE: [u8; 1] = [b'X'];
pub const LEPTON_HEADER_MARKER: [u8; 3] = *b"HDR";
pub const LEPTON_HEADER_PAD_MARKER: [u8; 3] = *b"P0D";
pub const LEPTON_HEADER_JPG_RESTARTS_MARKER: [u8; 3] = *b"CRS";
pub const LEPTON_HEADER_JPG_RESTART_ERRORS_MARKER: [u8; 3] = *b"FRS";
pub const LEPTON_HEADER_LUMA_SPLIT_MARKER: [u8; 2] = *b"HH";
pub const LEPTON_HEADER_EARLY_EOF_MARKER: [u8; 3] = *b"EEE";
pub const LEPTON_HEADER_PREFIX_GARBAGE_MARKER: [u8; 3] = *b"PGR";
pub const LEPTON_HEADER_GARBAGE_MARKER: [u8; 3] = *b"GRB";
pub const LEPTON_HEADER_COMPLETION_MARKER: [u8; 3] = *b"CMP";
//pub const ChunkedLeptonHeaderSizeMarker : [u8;3] = *b"SIZ" ;
//pub const ChunkedLeptonHeaderJpgHeaderDataRangeMarker : [u8;3] = *b"JHR";