2020-06-08 03:29:51 +03:00
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package mpeg
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// http://mpgedit.org/mpgedit/mpeg_format/MP3Format.html
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// http://www.multiweb.cz/twoinches/MP3inside.htm
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// https://wiki.hydrogenaud.io/index.php?title=MP3
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// https://www.diva-portal.org/smash/get/diva2:830195/FULLTEXT01.pdf
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// https://hydrogenaud.io/index.php?topic=36445.0
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// https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.118.3056&rep=rep1&type=pdf
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// TODO: some sample decode?
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// TODO: LSF, version 2.5 and 2? other decoder?
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// TODO: mpeg_version int value use desc? same protection etc?
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// TODO: if only layer 3, assert it
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import (
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2021-08-17 13:06:32 +03:00
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"github.com/wader/fq/format"
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"github.com/wader/fq/format/registry"
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2021-11-24 23:20:46 +03:00
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"github.com/wader/fq/pkg/checksum"
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2021-08-17 13:06:32 +03:00
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"github.com/wader/fq/pkg/decode"
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2020-06-08 03:29:51 +03:00
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)
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2021-11-17 18:46:10 +03:00
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var xingHeader decode.Group
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2020-06-08 03:29:51 +03:00
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func init() {
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2021-11-17 18:46:10 +03:00
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registry.MustRegister(decode.Format{
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2020-06-08 03:29:51 +03:00
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Name: format.MP3_FRAME,
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Description: "MPEG audio layer 3 frame",
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DecodeFn: frameDecode,
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Dependencies: []decode.Dependency{
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2021-11-17 18:46:10 +03:00
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{Names: []string{format.XING}, Group: &xingHeader},
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2020-06-08 03:29:51 +03:00
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},
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})
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}
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// TODO: keep track of main data buffer and decode huffman tables
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// var huffmanDecodeTables = [34][]int{
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// 0: {},
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// 1: {-5, -3, -1, 17, 1, 16, 0},
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// 2: {-15, -11, -9, -5, -3, -1, 34, 2, 18, -1, 33, 32, 17, -1, 1, 16, 0},
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// 3: {-13, -11, -9, -5, -3, -1, 34, 2, 18, -1, 33, 32, 16, 17, -1, 1, 0},
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// 4: {},
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// 5: {-29, -25, -23, -15, -7, -5, -3, -1, 51, 35, 50, 49, -3, -1, 19, 3, -1, 48, 34, -3, -1, 18, 33, -1, 2, 32, 17, -1, 1, 16, 0},
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// 6: {-25, -19, -13, -9, -5, -3, -1, 51, 3, 35, -1, 50, 48, -1, 19, 49, -3, -1, 34, 2, 18, -3, -1, 33, 32, 1, -1, 17, -1, 16, 0},
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// 7: {-69, -65, -57, -39, -29, -17, -11, -7, -3, -1, 85, 69, -1, 84, 83, -1, 53, 68, -3, -1, 37, 82, 21, -5, -1, 81, -1, 5, 52, -1, 80, -1, 67, 51, -5, -3, -1, 36, 66, 20, -1, 65, 64, -11, -7, -3, -1, 4, 35, -1, 50, 3, -1, 19, 49, -3, -1, 48, 34, 18, -5, -1, 33, -1, 2, 32, 17, -1, 1, 16, 0},
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// 8: {-65, -63, -59, -45, -31, -19, -13, -7, -5, -3, -1, 85, 84, 69, 83, -3, -1, 53, 68, 37, -3, -1, 82, 5, 21, -5, -1, 81, -1, 52, 67, -3, -1, 80, 51, 36, -5, -3, -1, 66, 20, 65, -3, -1, 4, 64, -1, 35, 50, -9, -7, -3, -1, 19, 49, -1, 3, 48, 34, -1, 2, 32, -1, 18, 33, 17, -3, -1, 1, 16, 0},
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// 9: {-63, -53, -41, -29, -19, -11, -5, -3, -1, 85, 69, 53, -1, 83, -1, 84, 5, -3, -1, 68, 37, -1, 82, 21, -3, -1, 81, 52, -1, 67, -1, 80, 4, -7, -3, -1, 36, 66, -1, 51, 64, -1, 20, 65, -5, -3, -1, 35, 50, 19, -1, 49, -1, 3, 48, -5, -3, -1, 34, 2, 18, -1, 33, 32, -3, -1, 17, 1, -1, 16, 0},
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// 10: {-125, -121, -111, -83, -55, -35, -21, -13, -7, -3, -1, 119, 103, -1, 118, 87, -3, -1, 117, 102, 71, -3, -1, 116, 86, -1, 101, 55, -9, -3, -1, 115, 70, -3, -1, 85, 84, 99, -1, 39, 114, -11, -5, -3, -1, 100, 7, 112, -1, 98, -1, 69, 53, -5, -1, 6, -1, 83, 68, 23, -17, -5, -1, 113, -1, 54, 38, -5, -3, -1, 37, 82, 21, -1, 81, -1, 52, 67, -3, -1, 22, 97, -1, 96, -1, 5, 80, -19, -11, -7, -3, -1, 36, 66, -1, 51, 4, -1, 20, 65, -3, -1, 64, 35, -1, 50, 3, -3, -1, 19, 49, -1, 48, 34, -7, -3, -1, 18, 33, -1, 2, 32, 17, -1, 1, 16, 0},
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// 11: {-121, -113, -89, -59, -43, -27, -17, -7, -3, -1, 119, 103, -1, 118, 117, -3, -1, 102, 71, -1, 116, -1, 87, 85, -5, -3, -1, 86, 101, 55, -1, 115, 70, -9, -7, -3, -1, 69, 84, -1, 53, 83, 39, -1, 114, -1, 100, 7, -5, -1, 113, -1, 23, 112, -3, -1, 54, 99, -1, 96, -1, 68, 37, -13, -7, -5, -3, -1, 82, 5, 21, 98, -3, -1, 38, 6, 22, -5, -1, 97, -1, 81, 52, -5, -1, 80, -1, 67, 51, -1, 36, 66, -15, -11, -7, -3, -1, 20, 65, -1, 4, 64, -1, 35, 50, -1, 19, 49, -5, -3, -1, 3, 48, 34, 33, -5, -1, 18, -1, 2, 32, 17, -3, -1, 1, 16, 0},
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// 12: {-115, -99, -73, -45, -27, -17, -9, -5, -3, -1, 119, 103, 118, -1, 87, 117, -3, -1, 102, 71, -1, 116, 101, -3, -1, 86, 55, -3, -1, 115, 85, 39, -7, -3, -1, 114, 70, -1, 100, 23, -5, -1, 113, -1, 7, 112, -1, 54, 99, -13, -9, -3, -1, 69, 84, -1, 68, -1, 6, 5, -1, 38, 98, -5, -1, 97, -1, 22, 96, -3, -1, 53, 83, -1, 37, 82, -17, -7, -3, -1, 21, 81, -1, 52, 67, -5, -3, -1, 80, 4, 36, -1, 66, 20, -3, -1, 51, 65, -1, 35, 50, -11, -7, -5, -3, -1, 64, 3, 48, 19, -1, 49, 34, -1, 18, 33, -7, -5, -3, -1, 2, 32, 0, 17, -1, 1, 16},
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// 13: {-509, -503, -475, -405, -333, -265, -205, -153, -115, -83, -53, -35, -21, -13, -9, -7, -5, -3, -1, 254, 252, 253, 237, 255, -1, 239, 223, -3, -1, 238, 207, -1, 222, 191, -9, -3, -1, 251, 206, -1, 220, -1, 175, 233, -1, 236, 221, -9, -5, -3, -1, 250, 205, 190, -1, 235, 159, -3, -1, 249, 234, -1, 189, 219, -17, -9, -3, -1, 143, 248, -1, 204, -1, 174, 158, -5, -1, 142, -1, 127, 126, 247, -5, -1, 218, -1, 173, 188, -3, -1, 203, 246, 111, -15, -7, -3, -1, 232, 95, -1, 157, 217, -3, -1, 245, 231, -1, 172, 187, -9, -3, -1, 79, 244, -3, -1, 202, 230, 243, -1, 63, -1, 141, 216, -21, -9, -3, -1, 47, 242, -3, -1, 110, 156, 15, -5, -3, -1, 201, 94, 171, -3, -1, 125, 215, 78, -11, -5, -3, -1, 200, 214, 62, -1, 185, -1, 155, 170, -1, 31, 241, -23, -13, -5, -1, 240, -1, 186, 229, -3, -1, 228, 140, -1, 109, 227, -5, -1, 226, -1, 46, 14, -1, 30, 225, -15, -7, -3, -1, 224, 93, -1, 213, 124, -3, -1, 199, 77, -1, 139, 184, -7, -3, -1, 212, 154, -1, 169, 108, -1, 198, 61, -37, -21, -9, -5, -3, -1, 211, 123, 45, -1, 210, 29, -5, -1, 183, -1, 92, 197, -3, -1, 153, 122, 195, -7, -5, -3, -1, 167, 151, 75, 209, -3, -1, 13, 208, -1, 138, 168, -11, -7, -3, -1, 76, 196, -1, 107, 182, -1, 60, 44, -3, -1, 194, 91, -3, -1, 181, 137, 28, -43, -23, -11, -5, -1, 193, -1, 152, 12, -1, 192, -1, 180, 106, -5, -3, -1, 166, 121, 59, -1, 179, -1, 136, 90, -11, -5, -1, 43, -1, 165, 105, -1, 164, -1, 120, 135, -5, -1, 148, -1, 119, 118, 178, -11, -3, -1, 27, 177, -3, -1, 11, 176, -1, 150, 74, -7, -3, -1, 58, 163, -1, 89, 149, -1, 42, 162, -47, -23, -9, -3, -1, 26, 161, -3, -1, 10, 104, 160, -5, -3, -1, 134, 73, 147, -3, -1, 57, 88, -1, 133, 103, -9, -3, -1, 41, 146, -3, -1, 87, 117, 56, -5, -1, 131, -1, 102, 71, -3, -1, 116, 86, -1, 101, 115, -11, -3, -1, 25, 145, -3, -1, 9, 144, -1, 72, 132, -7, -5, -1, 114, -1, 70, 100, 40, -1, 130, 24, -41, -27, -11, -5, -3, -1, 55, 39, 23, -1, 113, -1, 85, 7, -7, -3, -1, 112, 54, -1, 99, 69, -3, -1, 84, 38, -1, 98, 53, -5, -1, 129, -1, 8, 128, -3, -1, 22, 97, -1, 6, 96, -13, -9, -5, -3, -1, 83, 68, 37, -1, 82, 5, -1, 21, 81, -7, -3, -1, 52, 67, -1, 80, 36, -3, -1, 66, 51, 20, -19, -11, -5, -1, 65, -1, 4, 64, -3, -1, 35, 50, 19, -3, -1, 49, 3, -1, 48, 34, -3, -1, 18, 33, -1, 2, 32, -3, -1, 17, 1, 16, 0},
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// 14: {0},
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// 15: {-495, -445, -355, -263, -183, -115, -77, -43, -27, -13, -7, -3, -1, 255, 239, -1, 254, 223, -1, 238, -1, 253, 207, -7, -3, -1, 252, 222, -1, 237, 191, -1, 251, -1, 206, 236, -7, -3, -1, 221, 175, -1, 250, 190, -3, -1, 235, 205, -1, 220, 159, -15, -7, -3, -1, 249, 234, -1, 189, 219, -3, -1, 143, 248, -1, 204, 158, -7, -3, -1, 233, 127, -1, 247, 173, -3, -1, 218, 188, -1, 111, -1, 174, 15, -19, -11, -3, -1, 203, 246, -3, -1, 142, 232, -1, 95, 157, -3, -1, 245, 126, -1, 231, 172, -9, -3, -1, 202, 187, -3, -1, 217, 141, 79, -3, -1, 244, 63, -1, 243, 216, -33, -17, -9, -3, -1, 230, 47, -1, 242, -1, 110, 240, -3, -1, 31, 241, -1, 156, 201, -7, -3, -1, 94, 171, -1, 186, 229, -3, -1, 125, 215, -1, 78, 228, -15, -7, -3, -1, 140, 200, -1, 62, 109, -3, -1, 214, 227, -1, 155, 185, -7, -3, -1, 46, 170, -1, 226, 30, -5, -1, 225, -1, 14, 224, -1, 93, 213, -45, -25, -13, -7, -3, -1, 124, 199, -1, 77, 139, -1, 212, -1, 184, 154, -7, -3, -1, 169, 108, -1, 198, 61, -1, 211, 210, -9, -5, -3, -1, 45, 13, 29, -1, 123, 183, -5, -1, 209, -1, 92, 208, -1, 197, 138, -17, -7, -3, -1, 168, 76, -1, 196, 107, -5, -1, 182, -1, 153, 12, -1, 60, 195, -9, -3, -1, 122, 167, -1, 166, -1, 192, 11, -1, 194, -1, 44, 91, -55, -29, -15, -7, -3, -1, 181, 28, -1, 137, 152, -3, -1, 193, 75, -1, 180, 106, -5, -3, -1, 59, 121, 179, -3, -1, 151, 136, -1, 43, 90, -11, -5, -1, 178, -1, 165, 27, -1, 177, -1, 176, 105, -7, -3, -1, 150, 74, -1, 164, 120, -3, -1, 135, 58, 163, -17, -7, -3, -1, 89, 149, -1, 42, 162, -3, -1, 26, 161, -3, -1, 10, 160, 104, -7, -3, -1, 134, 73, -1, 148, 57, -5, -1, 147, -1, 119, 9, -1, 88, 133, -53, -29, -13, -7, -3, -1, 41, 103, -1, 118, 146, -1, 145, -1, 25, 144, -7, -3, -1, 72, 132, -1, 87, 117, -3, -1, 56, 131, -1, 102, 71, -7, -3, -1, 40, 130, -1, 24, 129, -7, -3, -1, 116, 8, -1, 128, 86, -3, -1, 101, 55, -1, 115, 70, -17, -7, -3, -1, 39, 114, -1, 100, 23, -3, -1, 85, 113, -3, -1, 7, 112, 54, -7, -3, -1, 99, 69, -1, 84, 38, -3, -1, 98, 22, -3, -1, 6, 96, 53, -33, -19, -9, -5, -1, 97, -1, 83, 68, -1, 37, 82, -3, -1, 21, 81, -3, -1, 5, 80, 52, -7, -3, -1, 67, 36, -1, 66, 51, -1, 65, -1, 20, 4, -9, -3, -1, 35, 50, -3, -1, 64, 3, 19, -3, -1, 49, 48, 34, -9, -7, -3, -1, 18, 33, -1, 2, 32, 17, -3, -1, 1, 16, 0},
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// 16: {-509, -503, -461, -323, -103, -37, -27, -15, -7, -3, -1, 239, 254, -1, 223, 253, -3, -1, 207, 252, -1, 191, 251, -5, -1, 175, -1, 250, 159, -3, -1, 249, 248, 143, -7, -3, -1, 127, 247, -1, 111, 246, 255, -9, -5, -3, -1, 95, 245, 79, -1, 244, 243, -53, -1, 240, -1, 63, -29, -19, -13, -7, -5, -1, 206, -1, 236, 221, 222, -1, 233, -1, 234, 217, -1, 238, -1, 237, 235, -3, -1, 190, 205, -3, -1, 220, 219, 174, -11, -5, -1, 204, -1, 173, 218, -3, -1, 126, 172, 202, -5, -3, -1, 201, 125, 94, 189, 242, -93, -5, -3, -1, 47, 15, 31, -1, 241, -49, -25, -13, -5, -1, 158, -1, 188, 203, -3, -1, 142, 232, -1, 157, 231, -7, -3, -1, 187, 141, -1, 216, 110, -1, 230, 156, -13, -7, -3, -1, 171, 186, -1, 229, 215, -1, 78, -1, 228, 140, -3, -1, 200, 62, -1, 109, -1, 214, 155, -19, -11, -5, -3, -1, 185, 170, 225, -1, 212, -1, 184, 169, -5, -1, 123, -1, 183, 208, 227, -7, -3, -1, 14, 224, -1, 93, 213, -3, -1, 124, 199, -1, 77, 139, -75, -45, -27, -13, -7, -3, -1, 154, 108, -1, 198, 61, -3, -1, 92, 197, 13, -7, -3, -1, 138, 168, -1, 153, 76, -3, -1, 182, 122, 60, -11, -5, -3, -1, 91, 137, 28, -1, 192, -1, 152, 121, -1, 226, -1, 46, 30, -15, -7, -3, -1, 211, 45, -1, 210, 209, -5, -1, 59, -1, 151, 136, 29, -7, -3, -1, 196, 107, -1, 195, 167, -1, 44, -1, 194, 181, -23, -13, -7, -3, -1, 193, 12, -1, 75, 180, -3, -1, 106, 166, 179, -5, -3, -1, 90, 165, 43, -1, 178, 27, -13, -5, -1, 177, -1, 11, 176, -3, -1, 105, 150, -1, 74, 164, -5, -3, -1, 120, 135, 163, -3, -1, 58, 89, 42, -97, -57, -33, -19, -11, -5, -3, -1, 149, 104, 161, -3, -1, 134, 119, 148, -5, -3, -1, 73, 87, 103, 162, -5, -1, 26, -1, 10, 160, -3, -1, 57, 147, -1, 88, 133, -9, -3, -1, 41, 146, -3, -1, 118, 9, 25, -5, -1, 145, -1, 144, 72, -3, -1, 132, 117, -1, 56, 131, -21, -11, -5, -3, -1, 102, 40, 130, -3, -1, 71, 116, 24, -3, -1, 129, 128, -3, -1, 8, 86, 55, -9, -5, -1, 115, -1, 101, 70, -1, 39, 114, -5, -3, -1, 100, 85, 7, 23, -23, -13, -5, -1, 113, -1, 112, 54, -3, -1, 99, 69, -1, 84, 38, -3, -1, 98, 22, -1, 97, -1, 6, 96, -9, -5, -1, 83, -1, 53, 68, -1, 37, 82, -1, 81, -1, 21, 5, -33, -23, -13, -7, -3, -1, 52, 67, -1, 80, 36, -3, -1, 66, 51, 20, -5, -1, 65, -1, 4, 64, -1, 35, 50, -3, -1, 19, 49, -3, -1, 3, 48, 34, -3, -1, 18, 33, -1, 2, 32, -3, -1, 17, 1, 16, 0},
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// 17: {-509, -503, -461, -323, -103, -37, -27, -15, -7, -3, -1, 239, 254, -1, 223, 253, -3, -1, 207, 252, -1, 191, 251, -5, -1, 175, -1, 250, 159, -3, -1, 249, 248, 143, -7, -3, -1, 127, 247, -1, 111, 246, 255, -9, -5, -3, -1, 95, 245, 79, -1, 244, 243, -53, -1, 240, -1, 63, -29, -19, -13, -7, -5, -1, 206, -1, 236, 221, 222, -1, 233, -1, 234, 217, -1, 238, -1, 237, 235, -3, -1, 190, 205, -3, -1, 220, 219, 174, -11, -5, -1, 204, -1, 173, 218, -3, -1, 126, 172, 202, -5, -3, -1, 201, 125, 94, 189, 242, -93, -5, -3, -1, 47, 15, 31, -1, 241, -49, -25, -13, -5, -1, 158, -1, 188, 203, -3, -1, 142, 232, -1, 157, 231, -7, -3, -1, 187, 141, -1, 216, 110, -1, 230, 156, -13, -7, -3, -1, 171, 186, -1, 229, 215, -1, 78, -1, 228, 140, -3, -1, 200, 62, -1, 109, -1, 214, 155, -19, -11, -5, -3, -1, 185, 170, 225, -1, 212, -1, 184, 169, -5, -1, 123, -1, 183, 208, 227, -7, -3, -1, 14, 224, -1, 93, 213, -3, -1, 124, 199, -1, 77, 139, -75, -45, -27, -13, -7, -3, -1, 154, 108, -1, 198, 61, -3, -1, 92, 197, 13, -7, -3, -1, 138, 168, -1, 153, 76, -3, -1, 182, 122, 60, -11, -5, -3, -1, 91, 137, 28, -1, 192, -1, 152, 121, -1, 226, -1, 46, 30, -15, -7, -3, -1, 211, 45, -1, 210, 209, -5, -1, 59, -1, 151, 136, 29, -7, -3, -1, 196, 107, -1, 195, 167, -1, 44, -1, 194, 181, -23, -13, -7, -3, -1, 193, 12, -1, 75, 180, -3, -1, 106, 166, 179, -5, -3, -1, 90, 165, 43, -1, 178, 27, -13, -5, -1, 177, -1, 11, 176, -3, -1, 105, 150, -1, 74, 164, -5, -3, -1, 120, 135, 163, -3, -1, 58, 89, 42, -97, -57, -33, -19, -11, -5, -3, -1, 149, 104, 161, -3, -1, 134, 119, 148, -5, -3, -1, 73, 87, 103, 162, -5, -1, 26, -1, 10, 160, -3, -1, 57, 147, -1, 88, 133, -9, -3, -1, 41, 146, -3, -1, 118, 9, 25, -5, -1, 145, -1, 144, 72, -3, -1, 132, 117, -1, 56, 131, -21, -11, -5, -3, -1, 102, 40, 130, -3, -1, 71, 116, 24, -3, -1, 129, 128, -3, -1, 8, 86, 55, -9, -5, -1, 115, -1, 101, 70, -1, 39, 114, -5, -3, -1, 100, 85, 7, 23, -23, -13, -5, -1, 113, -1, 112, 54, -3, -1, 99, 69, -1, 84, 38, -3, -1, 98, 22, -1, 97, -1, 6, 96, -9, -5, -1, 83, -1, 53, 68, -1, 37, 82, -1, 81, -1, 21, 5, -33, -23, -13, -7, -3, -1, 52, 67, -1, 80, 36, -3, -1, 66, 51, 20, -5, -1, 65, -1, 4, 64, -1, 35, 50, -3, -1, 19, 49, -3, -1, 3, 48, 34, -3, -1, 18, 33, -1, 2, 32, -3, -1, 17, 1, 16, 0},
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// 18: {-509, -503, -461, -323, -103, -37, -27, -15, -7, -3, -1, 239, 254, -1, 223, 253, -3, -1, 207, 252, -1, 191, 251, -5, -1, 175, -1, 250, 159, -3, -1, 249, 248, 143, -7, -3, -1, 127, 247, -1, 111, 246, 255, -9, -5, -3, -1, 95, 245, 79, -1, 244, 243, -53, -1, 240, -1, 63, -29, -19, -13, -7, -5, -1, 206, -1, 236, 221, 222, -1, 233, -1, 234, 217, -1, 238, -1, 237, 235, -3, -1, 190, 205, -3, -1, 220, 219, 174, -11, -5, -1, 204, -1, 173, 218, -3, -1, 126, 172, 202, -5, -3, -1, 201, 125, 94, 189, 242, -93, -5, -3, -1, 47, 15, 31, -1, 241, -49, -25, -13, -5, -1, 158, -1, 188, 203, -3, -1, 142, 232, -1, 157, 231, -7, -3, -1, 187, 141, -1, 216, 110, -1, 230, 156, -13, -7, -3, -1, 171, 186, -1, 229, 215, -1, 78, -1, 228, 140, -3, -1, 200, 62, -1, 109, -1, 214, 155, -19, -11, -5, -3, -1, 185, 170, 225, -1, 212, -1, 184, 169, -5, -1, 123, -1, 183, 208, 227, -7, -3, -1, 14, 224, -1, 93, 213, -3, -1, 124, 199, -1, 77, 139, -75, -45, -27, -13, -7, -3, -1, 154, 108, -1, 198, 61, -3, -1, 92, 197, 13, -7, -3, -1, 138, 168, -1, 153, 76, -3, -1, 182, 122, 60, -11, -5, -3, -1, 91, 137, 28, -1, 192, -1, 152, 121, -1, 226, -1, 46, 30, -15, -7, -3, -1, 211, 45, -1, 210, 209, -5, -1, 59, -1, 151, 136, 29, -7, -3, -1, 196, 107, -1, 195, 167, -1, 44, -1, 194, 181, -23, -13, -7, -3, -1, 193, 12, -1, 75, 180, -3, -1, 106, 166, 179, -5, -3, -1, 90, 165, 43, -1, 178, 27, -13, -5, -1, 177, -1, 11, 176, -3, -1, 105, 150, -1, 74, 164, -5, -3, -1, 120, 135, 163, -3, -1, 58, 89, 42, -97, -57, -33, -19, -11, -5, -3, -1, 149, 104, 161, -3, -1, 134, 119, 148, -5, -3, -1, 73, 87, 103, 162, -5, -1, 26, -1, 10, 160, -3, -1, 57, 147, -1, 88, 133, -9, -3, -1, 41, 146, -3, -1, 118, 9, 25, -5, -1, 145, -1, 144, 72, -3, -1, 132, 117, -1, 56, 131, -21, -11, -5, -3, -1, 102, 40, 130, -3, -1, 71, 116, 24, -3, -1, 129, 128, -3, -1, 8, 86, 55, -9, -5, -1, 115, -1, 101, 70, -1, 39, 114, -5, -3, -1, 100, 85, 7, 23, -23, -13, -5, -1, 113, -1, 112, 54, -3, -1, 99, 69, -1, 84, 38, -3, -1, 98, 22, -1, 97, -1, 6, 96, -9, -5, -1, 83, -1, 53, 68, -1, 37, 82, -1, 81, -1, 21, 5, -33, -23, -13, -7, -3, -1, 52, 67, -1, 80, 36, -3, -1, 66, 51, 20, -5, -1, 65, -1, 4, 64, -1, 35, 50, -3, -1, 19, 49, -3, -1, 3, 48, 34, -3, -1, 18, 33, -1, 2, 32, -3, -1, 17, 1, 16, 0},
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// 19: {-509, -503, -461, -323, -103, -37, -27, -15, -7, -3, -1, 239, 254, -1, 223, 253, -3, -1, 207, 252, -1, 191, 251, -5, -1, 175, -1, 250, 159, -3, -1, 249, 248, 143, -7, -3, -1, 127, 247, -1, 111, 246, 255, -9, -5, -3, -1, 95, 245, 79, -1, 244, 243, -53, -1, 240, -1, 63, -29, -19, -13, -7, -5, -1, 206, -1, 236, 221, 222, -1, 233, -1, 234, 217, -1, 238, -1, 237, 235, -3, -1, 190, 205, -3, -1, 220, 219, 174, -11, -5, -1, 204, -1, 173, 218, -3, -1, 126, 172, 202, -5, -3, -1, 201, 125, 94, 189, 242, -93, -5, -3, -1, 47, 15, 31, -1, 241, -49, -25, -13, -5, -1, 158, -1, 188, 203, -3, -1, 142, 232, -1, 157, 231, -7, -3, -1, 187, 141, -1, 216, 110, -1, 230, 156, -13, -7, -3, -1, 171, 186, -1, 229, 215, -1, 78, -1, 228, 140, -3, -1, 200, 62, -1, 109, -1, 214, 155, -19, -11, -5, -3, -1, 185, 170, 225, -1, 212, -1, 184, 169, -5, -1, 123, -1, 183, 208, 227, -7, -3, -1, 14, 224, -1, 93, 213, -3, -1, 124, 199, -1, 77, 139, -75, -45, -27, -13, -7, -3, -1, 154, 108, -1, 198, 61, -3, -1, 92, 197, 13, -7, -3, -1, 138, 168, -1, 153, 76, -3, -1, 182, 122, 60, -11, -5, -3, -1, 91, 137, 28, -1, 192, -1, 152, 121, -1, 226, -1, 46, 30, -15, -7, -3, -1, 211, 45, -1, 210, 209, -5, -1, 59, -1, 151, 136, 29, -7, -3, -1, 196, 107, -1, 195, 167, -1, 44, -1, 194, 181, -23, -13, -7, -3, -1, 193, 12, -1, 75, 180, -3, -1, 106, 166, 179, -5, -3, -1, 90, 165, 43, -1, 178, 27, -13, -5, -1, 177, -1, 11, 176, -3, -1, 105, 150, -1, 74, 164, -5, -3, -1, 120, 135, 163, -3, -1, 58, 89, 42, -97, -57, -33, -19, -11, -5, -3, -1, 149, 104, 161, -3, -1, 134, 119, 148, -5, -3, -1, 73, 87, 103, 162, -5, -1, 26, -1, 10, 160, -3, -1, 57, 147, -1, 88, 133, -9, -3, -1, 41, 146, -3, -1, 118, 9, 25, -5, -1, 145, -1, 144, 72, -3, -1, 132, 117, -1, 56, 131, -21, -11, -5, -3, -1, 102, 40, 130, -3, -1, 71, 116, 24, -3, -1, 129, 128, -3, -1, 8, 86, 55, -9, -5, -1, 115, -1, 101, 70, -1, 39, 114, -5, -3, -1, 100, 85, 7, 23, -23, -13, -5, -1, 113, -1, 112, 54, -3, -1, 99, 69, -1, 84, 38, -3, -1, 98, 22, -1, 97, -1, 6, 96, -9, -5, -1, 83, -1, 53, 68, -1, 37, 82, -1, 81, -1, 21, 5, -33, -23, -13, -7, -3, -1, 52, 67, -1, 80, 36, -3, -1, 66, 51, 20, -5, -1, 65, -1, 4, 64, -1, 35, 50, -3, -1, 19, 49, -3, -1, 3, 48, 34, -3, -1, 18, 33, -1, 2, 32, -3, -1, 17, 1, 16, 0},
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// 20: {-509, -503, -461, -323, -103, -37, -27, -15, -7, -3, -1, 239, 254, -1, 223, 253, -3, -1, 207, 252, -1, 191, 251, -5, -1, 175, -1, 250, 159, -3, -1, 249, 248, 143, -7, -3, -1, 127, 247, -1, 111, 246, 255, -9, -5, -3, -1, 95, 245, 79, -1, 244, 243, -53, -1, 240, -1, 63, -29, -19, -13, -7, -5, -1, 206, -1, 236, 221, 222, -1, 233, -1, 234, 217, -1, 238, -1, 237, 235, -3, -1, 190, 205, -3, -1, 220, 219, 174, -11, -5, -1, 204, -1, 173, 218, -3, -1, 126, 172, 202, -5, -3, -1, 201, 125, 94, 189, 242, -93, -5, -3, -1, 47, 15, 31, -1, 241, -49, -25, -13, -5, -1, 158, -1, 188, 203, -3, -1, 142, 232, -1, 157, 231, -7, -3, -1, 187, 141, -1, 216, 110, -1, 230, 156, -13, -7, -3, -1, 171, 186, -1, 229, 215, -1, 78, -1, 228, 140, -3, -1, 200, 62, -1, 109, -1, 214, 155, -19, -11, -5, -3, -1, 185, 170, 225, -1, 212, -1, 184, 169, -5, -1, 123, -1, 183, 208, 227, -7, -3, -1, 14, 224, -1, 93, 213, -3, -1, 124, 199, -1, 77, 139, -75, -45, -27, -13, -7, -3, -1, 154, 108, -1, 198, 61, -3, -1, 92, 197, 13, -7, -3, -1, 138, 168, -1, 153, 76, -3, -1, 182, 122, 60, -11, -5, -3, -1, 91, 137, 28, -1, 192, -1, 152, 121, -1, 226, -1, 46, 30, -15, -7, -3, -1, 211, 45, -1, 210, 209, -5, -1, 59, -1, 151, 136, 29, -7, -3, -1, 196, 107, -1, 195, 167, -1, 44, -1, 194, 181, -23, -13, -7, -3, -1, 193, 12, -1, 75, 180, -3, -1, 106, 166, 179, -5, -3, -1, 90, 165, 43, -1, 178, 27, -13, -5, -1, 177, -1, 11, 176, -3, -1, 105, 150, -1, 74, 164, -5, -3, -1, 120, 135, 163, -3, -1, 58, 89, 42, -97, -57, -33, -19, -11, -5, -3, -1, 149, 104, 161, -3, -1, 134, 119, 148, -5, -3, -1, 73, 87, 103, 162, -5, -1, 26, -1, 10, 160, -3, -1, 57, 147, -1, 88, 133, -9, -3, -1, 41, 146, -3, -1, 118, 9, 25, -5, -1, 145, -1, 144, 72, -3, -1, 132, 117, -1, 56, 131, -21, -11, -5, -3, -1, 102, 40, 130, -3, -1, 71, 116, 24, -3, -1, 129, 128, -3, -1, 8, 86, 55, -9, -5, -1, 115, -1, 101, 70, -1, 39, 114, -5, -3, -1, 100, 85, 7, 23, -23, -13, -5, -1, 113, -1, 112, 54, -3, -1, 99, 69, -1, 84, 38, -3, -1, 98, 22, -1, 97, -1, 6, 96, -9, -5, -1, 83, -1, 53, 68, -1, 37, 82, -1, 81, -1, 21, 5, -33, -23, -13, -7, -3, -1, 52, 67, -1, 80, 36, -3, -1, 66, 51, 20, -5, -1, 65, -1, 4, 64, -1, 35, 50, -3, -1, 19, 49, -3, -1, 3, 48, 34, -3, -1, 18, 33, -1, 2, 32, -3, -1, 17, 1, 16, 0},
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// 21: {-509, -503, -461, -323, -103, -37, -27, -15, -7, -3, -1, 239, 254, -1, 223, 253, -3, -1, 207, 252, -1, 191, 251, -5, -1, 175, -1, 250, 159, -3, -1, 249, 248, 143, -7, -3, -1, 127, 247, -1, 111, 246, 255, -9, -5, -3, -1, 95, 245, 79, -1, 244, 243, -53, -1, 240, -1, 63, -29, -19, -13, -7, -5, -1, 206, -1, 236, 221, 222, -1, 233, -1, 234, 217, -1, 238, -1, 237, 235, -3, -1, 190, 205, -3, -1, 220, 219, 174, -11, -5, -1, 204, -1, 173, 218, -3, -1, 126, 172, 202, -5, -3, -1, 201, 125, 94, 189, 242, -93, -5, -3, -1, 47, 15, 31, -1, 241, -49, -25, -13, -5, -1, 158, -1, 188, 203, -3, -1, 142, 232, -1, 157, 231, -7, -3, -1, 187, 141, -1, 216, 110, -1, 230, 156, -13, -7, -3, -1, 171, 186, -1, 229, 215, -1, 78, -1, 228, 140, -3, -1, 200, 62, -1, 109, -1, 214, 155, -19, -11, -5, -3, -1, 185, 170, 225, -1, 212, -1, 184, 169, -5, -1, 123, -1, 183, 208, 227, -7, -3, -1, 14, 224, -1, 93, 213, -3, -1, 124, 199, -1, 77, 139, -75, -45, -27, -13, -7, -3, -1, 154, 108, -1, 198, 61, -3, -1, 92, 197, 13, -7, -3, -1, 138, 168, -1, 153, 76, -3, -1, 182, 122, 60, -11, -5, -3, -1, 91, 137, 28, -1, 192, -1, 152, 121, -1, 226, -1, 46, 30, -15, -7, -3, -1, 211, 45, -1, 210, 209, -5, -1, 59, -1, 151, 136, 29, -7, -3, -1, 196, 107, -1, 195, 167, -1, 44, -1, 194, 181, -23, -13, -7, -3, -1, 193, 12, -1, 75, 180, -3, -1, 106, 166, 179, -5, -3, -1, 90, 165, 43, -1, 178, 27, -13, -5, -1, 177, -1, 11, 176, -3, -1, 105, 150, -1, 74, 164, -5, -3, -1, 120, 135, 163, -3, -1, 58, 89, 42, -97, -57, -33, -19, -11, -5, -3, -1, 149, 104, 161, -3, -1, 134, 119, 148, -5, -3, -1, 73, 87, 103, 162, -5, -1, 26, -1, 10, 160, -3, -1, 57, 147, -1, 88, 133, -9, -3, -1, 41, 146, -3, -1, 118, 9, 25, -5, -1, 145, -1, 144, 72, -3, -1, 132, 117, -1, 56, 131, -21, -11, -5, -3, -1, 102, 40, 130, -3, -1, 71, 116, 24, -3, -1, 129, 128, -3, -1, 8, 86, 55, -9, -5, -1, 115, -1, 101, 70, -1, 39, 114, -5, -3, -1, 100, 85, 7, 23, -23, -13, -5, -1, 113, -1, 112, 54, -3, -1, 99, 69, -1, 84, 38, -3, -1, 98, 22, -1, 97, -1, 6, 96, -9, -5, -1, 83, -1, 53, 68, -1, 37, 82, -1, 81, -1, 21, 5, -33, -23, -13, -7, -3, -1, 52, 67, -1, 80, 36, -3, -1, 66, 51, 20, -5, -1, 65, -1, 4, 64, -1, 35, 50, -3, -1, 19, 49, -3, -1, 3, 48, 34, -3, -1, 18, 33, -1, 2, 32, -3, -1, 17, 1, 16, 0},
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// 22: {-509, -503, -461, -323, -103, -37, -27, -15, -7, -3, -1, 239, 254, -1, 223, 253, -3, -1, 207, 252, -1, 191, 251, -5, -1, 175, -1, 250, 159, -3, -1, 249, 248, 143, -7, -3, -1, 127, 247, -1, 111, 246, 255, -9, -5, -3, -1, 95, 245, 79, -1, 244, 243, -53, -1, 240, -1, 63, -29, -19, -13, -7, -5, -1, 206, -1, 236, 221, 222, -1, 233, -1, 234, 217, -1, 238, -1, 237, 235, -3, -1, 190, 205, -3, -1, 220, 219, 174, -11, -5, -1, 204, -1, 173, 218, -3, -1, 126, 172, 202, -5, -3, -1, 201, 125, 94, 189, 242, -93, -5, -3, -1, 47, 15, 31, -1, 241, -49, -25, -13, -5, -1, 158, -1, 188, 203, -3, -1, 142, 232, -1, 157, 231, -7, -3, -1, 187, 141, -1, 216, 110, -1, 230, 156, -13, -7, -3, -1, 171, 186, -1, 229, 215, -1, 78, -1, 228, 140, -3, -1, 200, 62, -1, 109, -1, 214, 155, -19, -11, -5, -3, -1, 185, 170, 225, -1, 212, -1, 184, 169, -5, -1, 123, -1, 183, 208, 227, -7, -3, -1, 14, 224, -1, 93, 213, -3, -1, 124, 199, -1, 77, 139, -75, -45, -27, -13, -7, -3, -1, 154, 108, -1, 198, 61, -3, -1, 92, 197, 13, -7, -3, -1, 138, 168, -1, 153, 76, -3, -1, 182, 122, 60, -11, -5, -3, -1, 91, 137, 28, -1, 192, -1, 152, 121, -1, 226, -1, 46, 30, -15, -7, -3, -1, 211, 45, -1, 210, 209, -5, -1, 59, -1, 151, 136, 29, -7, -3, -1, 196, 107, -1, 195, 167, -1, 44, -1, 194, 181, -23, -13, -7, -3, -1, 193, 12, -1, 75, 180, -3, -1, 106, 166, 179, -5, -3, -1, 90, 165, 43, -1, 178, 27, -13, -5, -1, 177, -1, 11, 176, -3, -1, 105, 150, -1, 74, 164, -5, -3, -1, 120, 135, 163, -3, -1, 58, 89, 42, -97, -57, -33, -19, -11, -5, -3, -1, 149, 104, 161, -3, -1, 134, 119, 148, -5, -3, -1, 73, 87, 103, 162, -5, -1, 26, -1, 10, 160, -3, -1, 57, 147, -1, 88, 133, -9, -3, -1, 41, 146, -3, -1, 118, 9, 25, -5, -1, 145, -1, 144, 72, -3, -1, 132, 117, -1, 56, 131, -21, -11, -5, -3, -1, 102, 40, 130, -3, -1, 71, 116, 24, -3, -1, 129, 128, -3, -1, 8, 86, 55, -9, -5, -1, 115, -1, 101, 70, -1, 39, 114, -5, -3, -1, 100, 85, 7, 23, -23, -13, -5, -1, 113, -1, 112, 54, -3, -1, 99, 69, -1, 84, 38, -3, -1, 98, 22, -1, 97, -1, 6, 96, -9, -5, -1, 83, -1, 53, 68, -1, 37, 82, -1, 81, -1, 21, 5, -33, -23, -13, -7, -3, -1, 52, 67, -1, 80, 36, -3, -1, 66, 51, 20, -5, -1, 65, -1, 4, 64, -1, 35, 50, -3, -1, 19, 49, -3, -1, 3, 48, 34, -3, -1, 18, 33, -1, 2, 32, -3, -1, 17, 1, 16, 0},
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// 23: {-509, -503, -461, -323, -103, -37, -27, -15, -7, -3, -1, 239, 254, -1, 223, 253, -3, -1, 207, 252, -1, 191, 251, -5, -1, 175, -1, 250, 159, -3, -1, 249, 248, 143, -7, -3, -1, 127, 247, -1, 111, 246, 255, -9, -5, -3, -1, 95, 245, 79, -1, 244, 243, -53, -1, 240, -1, 63, -29, -19, -13, -7, -5, -1, 206, -1, 236, 221, 222, -1, 233, -1, 234, 217, -1, 238, -1, 237, 235, -3, -1, 190, 205, -3, -1, 220, 219, 174, -11, -5, -1, 204, -1, 173, 218, -3, -1, 126, 172, 202, -5, -3, -1, 201, 125, 94, 189, 242, -93, -5, -3, -1, 47, 15, 31, -1, 241, -49, -25, -13, -5, -1, 158, -1, 188, 203, -3, -1, 142, 232, -1, 157, 231, -7, -3, -1, 187, 141, -1, 216, 110, -1, 230, 156, -13, -7, -3, -1, 171, 186, -1, 229, 215, -1, 78, -1, 228, 140, -3, -1, 200, 62, -1, 109, -1, 214, 155, -19, -11, -5, -3, -1, 185, 170, 225, -1, 212, -1, 184, 169, -5, -1, 123, -1, 183, 208, 227, -7, -3, -1, 14, 224, -1, 93, 213, -3, -1, 124, 199, -1, 77, 139, -75, -45, -27, -13, -7, -3, -1, 154, 108, -1, 198, 61, -3, -1, 92, 197, 13, -7, -3, -1, 138, 168, -1, 153, 76, -3, -1, 182, 122, 60, -11, -5, -3, -1, 91, 137, 28, -1, 192, -1, 152, 121, -1, 226, -1, 46, 30, -15, -7, -3, -1, 211, 45, -1, 210, 209, -5, -1, 59, -1, 151, 136, 29, -7, -3, -1, 196, 107, -1, 195, 167, -1, 44, -1, 194, 181, -23, -13, -7, -3, -1, 193, 12, -1, 75, 180, -3, -1, 106, 166, 179, -5, -3, -1, 90, 165, 43, -1, 178, 27, -13, -5, -1, 177, -1, 11, 176, -3, -1, 105, 150, -1, 74, 164, -5, -3, -1, 120, 135, 163, -3, -1, 58, 89, 42, -97, -57, -33, -19, -11, -5, -3, -1, 149, 104, 161, -3, -1, 134, 119, 148, -5, -3, -1, 73, 87, 103, 162, -5, -1, 26, -1, 10, 160, -3, -1, 57, 147, -1, 88, 133, -9, -3, -1, 41, 146, -3, -1, 118, 9, 25, -5, -1, 145, -1, 144, 72, -3, -1, 132, 117, -1, 56, 131, -21, -11, -5, -3, -1, 102, 40, 130, -3, -1, 71, 116, 24, -3, -1, 129, 128, -3, -1, 8, 86, 55, -9, -5, -1, 115, -1, 101, 70, -1, 39, 114, -5, -3, -1, 100, 85, 7, 23, -23, -13, -5, -1, 113, -1, 112, 54, -3, -1, 99, 69, -1, 84, 38, -3, -1, 98, 22, -1, 97, -1, 6, 96, -9, -5, -1, 83, -1, 53, 68, -1, 37, 82, -1, 81, -1, 21, 5, -33, -23, -13, -7, -3, -1, 52, 67, -1, 80, 36, -3, -1, 66, 51, 20, -5, -1, 65, -1, 4, 64, -1, 35, 50, -3, -1, 19, 49, -3, -1, 3, 48, 34, -3, -1, 18, 33, -1, 2, 32, -3, -1, 17, 1, 16, 0},
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// 24: {-451, -117, -43, -25, -15, -7, -3, -1, 239, 254, -1, 223, 253, -3, -1, 207, 252, -1, 191, 251, -5, -1, 250, -1, 175, 159, -1, 249, 248, -9, -5, -3, -1, 143, 127, 247, -1, 111, 246, -3, -1, 95, 245, -1, 79, 244, -71, -7, -3, -1, 63, 243, -1, 47, 242, -5, -1, 241, -1, 31, 240, -25, -9, -1, 15, -3, -1, 238, 222, -1, 237, 206, -7, -3, -1, 236, 221, -1, 190, 235, -3, -1, 205, 220, -1, 174, 234, -15, -7, -3, -1, 189, 219, -1, 204, 158, -3, -1, 233, 173, -1, 218, 188, -7, -3, -1, 203, 142, -1, 232, 157, -3, -1, 217, 126, -1, 231, 172, 255, -235, -143, -77, -45, -25, -15, -7, -3, -1, 202, 187, -1, 141, 216, -5, -3, -1, 14, 224, 13, 230, -5, -3, -1, 110, 156, 201, -1, 94, 186, -9, -5, -1, 229, -1, 171, 125, -1, 215, 228, -3, -1, 140, 200, -3, -1, 78, 46, 62, -15, -7, -3, -1, 109, 214, -1, 227, 155, -3, -1, 185, 170, -1, 226, 30, -7, -3, -1, 225, 93, -1, 213, 124, -3, -1, 199, 77, -1, 139, 184, -31, -15, -7, -3, -1, 212, 154, -1, 169, 108, -3, -1, 198, 61, -1, 211, 45, -7, -3, -1, 210, 29, -1, 123, 183, -3, -1, 209, 92, -1, 197, 138, -17, -7, -3, -1, 168, 153, -1, 76, 196, -3, -1, 107, 182, -3, -1, 208, 12, 60, -7, -3, -1, 195, 122, -1, 167, 44, -3, -1, 194, 91, -1, 181, 28, -57, -35, -19, -7, -3, -1, 137, 152, -1, 193, 75, -5, -3, -1, 192, 11, 59, -3, -1, 176, 10, 26, -5, -1, 180, -1, 106, 166, -3, -1, 121, 151, -3, -1, 160, 9, 144, -9, -3, -1, 179, 136, -3, -1, 43, 90, 178, -7, -3, -1, 165, 27, -1, 177, 105, -1, 150, 164, -17, -9, -5, -3, -1, 74, 120, 135, -1, 58, 163, -3, -1, 89, 149, -1, 42, 162, -7, -3, -1, 161, 104, -1, 134, 119, -3, -1, 73, 148, -1, 57, 147, -63, -31, -15, -7, -3, -1, 88, 133, -1, 41, 103, -3, -1, 118, 146, -1, 25, 145, -7, -3, -1, 72, 132, -1, 87, 117, -3, -1, 56, 131, -1, 102, 40, -17, -7, -3, -1, 130, 24, -1, 71, 116, -5, -1, 129, -1, 8, 128, -1, 86, 101, -7, -5, -1, 23, -1, 7, 112, 115, -3, -1, 55, 39, 114, -15, -7, -3, -1, 70, 100, -1, 85, 113, -3, -1, 54, 99, -1, 69, 84, -7, -3, -1, 38, 98, -1, 22, 97, -5, -3, -1, 6, 96, 53, -1, 83, 68, -51, -37, -23, -15, -9, -3, -1, 37, 82, -1, 21, -1, 5, 80, -1, 81, -1, 52, 67, -3, -1, 36, 66, -1, 51, 20, -9, -5, -1, 65, -1, 4, 64, -1, 35, 50, -1, 19, 49, -7, -5, -3, -1, 3, 48, 34, 18, -1, 33, -1, 2, 32, -3, -1, 17, 1, -1, 16, 0},
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// 25: {-451, -117, -43, -25, -15, -7, -3, -1, 239, 254, -1, 223, 253, -3, -1, 207, 252, -1, 191, 251, -5, -1, 250, -1, 175, 159, -1, 249, 248, -9, -5, -3, -1, 143, 127, 247, -1, 111, 246, -3, -1, 95, 245, -1, 79, 244, -71, -7, -3, -1, 63, 243, -1, 47, 242, -5, -1, 241, -1, 31, 240, -25, -9, -1, 15, -3, -1, 238, 222, -1, 237, 206, -7, -3, -1, 236, 221, -1, 190, 235, -3, -1, 205, 220, -1, 174, 234, -15, -7, -3, -1, 189, 219, -1, 204, 158, -3, -1, 233, 173, -1, 218, 188, -7, -3, -1, 203, 142, -1, 232, 157, -3, -1, 217, 126, -1, 231, 172, 255, -235, -143, -77, -45, -25, -15, -7, -3, -1, 202, 187, -1, 141, 216, -5, -3, -1, 14, 224, 13, 230, -5, -3, -1, 110, 156, 201, -1, 94, 186, -9, -5, -1, 229, -1, 171, 125, -1, 215, 228, -3, -1, 140, 200, -3, -1, 78, 46, 62, -15, -7, -3, -1, 109, 214, -1, 227, 155, -3, -1, 185, 170, -1, 226, 30, -7, -3, -1, 225, 93, -1, 213, 124, -3, -1, 199, 77, -1, 139, 184, -31, -15, -7, -3, -1, 212, 154, -1, 169, 108, -3, -1, 198, 61, -1, 211, 45, -7, -3, -1, 210, 29, -1, 123, 183, -3, -1, 209, 92, -1, 197, 138, -17, -7, -3, -1, 168, 153, -1, 76, 196, -3, -1, 107, 182, -3, -1, 208, 12, 60, -7, -3, -1, 195, 122, -1, 167, 44, -3, -1, 194, 91, -1, 181, 28, -57, -35, -19, -7, -3, -1, 137, 152, -1, 193, 75, -5, -3, -1, 192, 11, 59, -3, -1, 176, 10, 26, -5, -1, 180, -1, 106, 166, -3, -1, 121, 151, -3, -1, 160, 9, 144, -9, -3, -1, 179, 136, -3, -1, 43, 90, 178, -7, -3, -1, 165, 27, -1, 177, 105, -1, 150, 164, -17, -9, -5, -3, -1, 74, 120, 135, -1, 58, 163, -3, -1, 89, 149, -1, 42, 162, -7, -3, -1, 161, 104, -1, 134, 119, -3, -1, 73, 148, -1, 57, 147, -63, -31, -15, -7, -3, -1, 88, 133, -1, 41, 103, -3, -1, 118, 146, -1, 25, 145, -7, -3, -1, 72, 132, -1, 87, 117, -3, -1, 56, 131, -1, 102, 40, -17, -7, -3, -1, 130, 24, -1, 71, 116, -5, -1, 129, -1, 8, 128, -1, 86, 101, -7, -5, -1, 23, -1, 7, 112, 115, -3, -1, 55, 39, 114, -15, -7, -3, -1, 70, 100, -1, 85, 113, -3, -1, 54, 99, -1, 69, 84, -7, -3, -1, 38, 98, -1, 22, 97, -5, -3, -1, 6, 96, 53, -1, 83, 68, -51, -37, -23, -15, -9, -3, -1, 37, 82, -1, 21, -1, 5, 80, -1, 81, -1, 52, 67, -3, -1, 36, 66, -1, 51, 20, -9, -5, -1, 65, -1, 4, 64, -1, 35, 50, -1, 19, 49, -7, -5, -3, -1, 3, 48, 34, 18, -1, 33, -1, 2, 32, -3, -1, 17, 1, -1, 16, 0},
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// 26: {-451, -117, -43, -25, -15, -7, -3, -1, 239, 254, -1, 223, 253, -3, -1, 207, 252, -1, 191, 251, -5, -1, 250, -1, 175, 159, -1, 249, 248, -9, -5, -3, -1, 143, 127, 247, -1, 111, 246, -3, -1, 95, 245, -1, 79, 244, -71, -7, -3, -1, 63, 243, -1, 47, 242, -5, -1, 241, -1, 31, 240, -25, -9, -1, 15, -3, -1, 238, 222, -1, 237, 206, -7, -3, -1, 236, 221, -1, 190, 235, -3, -1, 205, 220, -1, 174, 234, -15, -7, -3, -1, 189, 219, -1, 204, 158, -3, -1, 233, 173, -1, 218, 188, -7, -3, -1, 203, 142, -1, 232, 157, -3, -1, 217, 126, -1, 231, 172, 255, -235, -143, -77, -45, -25, -15, -7, -3, -1, 202, 187, -1, 141, 216, -5, -3, -1, 14, 224, 13, 230, -5, -3, -1, 110, 156, 201, -1, 94, 186, -9, -5, -1, 229, -1, 171, 125, -1, 215, 228, -3, -1, 140, 200, -3, -1, 78, 46, 62, -15, -7, -3, -1, 109, 214, -1, 227, 155, -3, -1, 185, 170, -1, 226, 30, -7, -3, -1, 225, 93, -1, 213, 124, -3, -1, 199, 77, -1, 139, 184, -31, -15, -7, -3, -1, 212, 154, -1, 169, 108, -3, -1, 198, 61, -1, 211, 45, -7, -3, -1, 210, 29, -1, 123, 183, -3, -1, 209, 92, -1, 197, 138, -17, -7, -3, -1, 168, 153, -1, 76, 196, -3, -1, 107, 182, -3, -1, 208, 12, 60, -7, -3, -1, 195, 122, -1, 167, 44, -3, -1, 194, 91, -1, 181, 28, -57, -35, -19, -7, -3, -1, 137, 152, -1, 193, 75, -5, -3, -1, 192, 11, 59, -3, -1, 176, 10, 26, -5, -1, 180, -1, 106, 166, -3, -1, 121, 151, -3, -1, 160, 9, 144, -9, -3, -1, 179, 136, -3, -1, 43, 90, 178, -7, -3, -1, 165, 27, -1, 177, 105, -1, 150, 164, -17, -9, -5, -3, -1, 74, 120, 135, -1, 58, 163, -3, -1, 89, 149, -1, 42, 162, -7, -3, -1, 161, 104, -1, 134, 119, -3, -1, 73, 148, -1, 57, 147, -63, -31, -15, -7, -3, -1, 88, 133, -1, 41, 103, -3, -1, 118, 146, -1, 25, 145, -7, -3, -1, 72, 132, -1, 87, 117, -3, -1, 56, 131, -1, 102, 40, -17, -7, -3, -1, 130, 24, -1, 71, 116, -5, -1, 129, -1, 8, 128, -1, 86, 101, -7, -5, -1, 23, -1, 7, 112, 115, -3, -1, 55, 39, 114, -15, -7, -3, -1, 70, 100, -1, 85, 113, -3, -1, 54, 99, -1, 69, 84, -7, -3, -1, 38, 98, -1, 22, 97, -5, -3, -1, 6, 96, 53, -1, 83, 68, -51, -37, -23, -15, -9, -3, -1, 37, 82, -1, 21, -1, 5, 80, -1, 81, -1, 52, 67, -3, -1, 36, 66, -1, 51, 20, -9, -5, -1, 65, -1, 4, 64, -1, 35, 50, -1, 19, 49, -7, -5, -3, -1, 3, 48, 34, 18, -1, 33, -1, 2, 32, -3, -1, 17, 1, -1, 16, 0},
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// 27: {-451, -117, -43, -25, -15, -7, -3, -1, 239, 254, -1, 223, 253, -3, -1, 207, 252, -1, 191, 251, -5, -1, 250, -1, 175, 159, -1, 249, 248, -9, -5, -3, -1, 143, 127, 247, -1, 111, 246, -3, -1, 95, 245, -1, 79, 244, -71, -7, -3, -1, 63, 243, -1, 47, 242, -5, -1, 241, -1, 31, 240, -25, -9, -1, 15, -3, -1, 238, 222, -1, 237, 206, -7, -3, -1, 236, 221, -1, 190, 235, -3, -1, 205, 220, -1, 174, 234, -15, -7, -3, -1, 189, 219, -1, 204, 158, -3, -1, 233, 173, -1, 218, 188, -7, -3, -1, 203, 142, -1, 232, 157, -3, -1, 217, 126, -1, 231, 172, 255, -235, -143, -77, -45, -25, -15, -7, -3, -1, 202, 187, -1, 141, 216, -5, -3, -1, 14, 224, 13, 230, -5, -3, -1, 110, 156, 201, -1, 94, 186, -9, -5, -1, 229, -1, 171, 125, -1, 215, 228, -3, -1, 140, 200, -3, -1, 78, 46, 62, -15, -7, -3, -1, 109, 214, -1, 227, 155, -3, -1, 185, 170, -1, 226, 30, -7, -3, -1, 225, 93, -1, 213, 124, -3, -1, 199, 77, -1, 139, 184, -31, -15, -7, -3, -1, 212, 154, -1, 169, 108, -3, -1, 198, 61, -1, 211, 45, -7, -3, -1, 210, 29, -1, 123, 183, -3, -1, 209, 92, -1, 197, 138, -17, -7, -3, -1, 168, 153, -1, 76, 196, -3, -1, 107, 182, -3, -1, 208, 12, 60, -7, -3, -1, 195, 122, -1, 167, 44, -3, -1, 194, 91, -1, 181, 28, -57, -35, -19, -7, -3, -1, 137, 152, -1, 193, 75, -5, -3, -1, 192, 11, 59, -3, -1, 176, 10, 26, -5, -1, 180, -1, 106, 166, -3, -1, 121, 151, -3, -1, 160, 9, 144, -9, -3, -1, 179, 136, -3, -1, 43, 90, 178, -7, -3, -1, 165, 27, -1, 177, 105, -1, 150, 164, -17, -9, -5, -3, -1, 74, 120, 135, -1, 58, 163, -3, -1, 89, 149, -1, 42, 162, -7, -3, -1, 161, 104, -1, 134, 119, -3, -1, 73, 148, -1, 57, 147, -63, -31, -15, -7, -3, -1, 88, 133, -1, 41, 103, -3, -1, 118, 146, -1, 25, 145, -7, -3, -1, 72, 132, -1, 87, 117, -3, -1, 56, 131, -1, 102, 40, -17, -7, -3, -1, 130, 24, -1, 71, 116, -5, -1, 129, -1, 8, 128, -1, 86, 101, -7, -5, -1, 23, -1, 7, 112, 115, -3, -1, 55, 39, 114, -15, -7, -3, -1, 70, 100, -1, 85, 113, -3, -1, 54, 99, -1, 69, 84, -7, -3, -1, 38, 98, -1, 22, 97, -5, -3, -1, 6, 96, 53, -1, 83, 68, -51, -37, -23, -15, -9, -3, -1, 37, 82, -1, 21, -1, 5, 80, -1, 81, -1, 52, 67, -3, -1, 36, 66, -1, 51, 20, -9, -5, -1, 65, -1, 4, 64, -1, 35, 50, -1, 19, 49, -7, -5, -3, -1, 3, 48, 34, 18, -1, 33, -1, 2, 32, -3, -1, 17, 1, -1, 16, 0},
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// 28: {-451, -117, -43, -25, -15, -7, -3, -1, 239, 254, -1, 223, 253, -3, -1, 207, 252, -1, 191, 251, -5, -1, 250, -1, 175, 159, -1, 249, 248, -9, -5, -3, -1, 143, 127, 247, -1, 111, 246, -3, -1, 95, 245, -1, 79, 244, -71, -7, -3, -1, 63, 243, -1, 47, 242, -5, -1, 241, -1, 31, 240, -25, -9, -1, 15, -3, -1, 238, 222, -1, 237, 206, -7, -3, -1, 236, 221, -1, 190, 235, -3, -1, 205, 220, -1, 174, 234, -15, -7, -3, -1, 189, 219, -1, 204, 158, -3, -1, 233, 173, -1, 218, 188, -7, -3, -1, 203, 142, -1, 232, 157, -3, -1, 217, 126, -1, 231, 172, 255, -235, -143, -77, -45, -25, -15, -7, -3, -1, 202, 187, -1, 141, 216, -5, -3, -1, 14, 224, 13, 230, -5, -3, -1, 110, 156, 201, -1, 94, 186, -9, -5, -1, 229, -1, 171, 125, -1, 215, 228, -3, -1, 140, 200, -3, -1, 78, 46, 62, -15, -7, -3, -1, 109, 214, -1, 227, 155, -3, -1, 185, 170, -1, 226, 30, -7, -3, -1, 225, 93, -1, 213, 124, -3, -1, 199, 77, -1, 139, 184, -31, -15, -7, -3, -1, 212, 154, -1, 169, 108, -3, -1, 198, 61, -1, 211, 45, -7, -3, -1, 210, 29, -1, 123, 183, -3, -1, 209, 92, -1, 197, 138, -17, -7, -3, -1, 168, 153, -1, 76, 196, -3, -1, 107, 182, -3, -1, 208, 12, 60, -7, -3, -1, 195, 122, -1, 167, 44, -3, -1, 194, 91, -1, 181, 28, -57, -35, -19, -7, -3, -1, 137, 152, -1, 193, 75, -5, -3, -1, 192, 11, 59, -3, -1, 176, 10, 26, -5, -1, 180, -1, 106, 166, -3, -1, 121, 151, -3, -1, 160, 9, 144, -9, -3, -1, 179, 136, -3, -1, 43, 90, 178, -7, -3, -1, 165, 27, -1, 177, 105, -1, 150, 164, -17, -9, -5, -3, -1, 74, 120, 135, -1, 58, 163, -3, -1, 89, 149, -1, 42, 162, -7, -3, -1, 161, 104, -1, 134, 119, -3, -1, 73, 148, -1, 57, 147, -63, -31, -15, -7, -3, -1, 88, 133, -1, 41, 103, -3, -1, 118, 146, -1, 25, 145, -7, -3, -1, 72, 132, -1, 87, 117, -3, -1, 56, 131, -1, 102, 40, -17, -7, -3, -1, 130, 24, -1, 71, 116, -5, -1, 129, -1, 8, 128, -1, 86, 101, -7, -5, -1, 23, -1, 7, 112, 115, -3, -1, 55, 39, 114, -15, -7, -3, -1, 70, 100, -1, 85, 113, -3, -1, 54, 99, -1, 69, 84, -7, -3, -1, 38, 98, -1, 22, 97, -5, -3, -1, 6, 96, 53, -1, 83, 68, -51, -37, -23, -15, -9, -3, -1, 37, 82, -1, 21, -1, 5, 80, -1, 81, -1, 52, 67, -3, -1, 36, 66, -1, 51, 20, -9, -5, -1, 65, -1, 4, 64, -1, 35, 50, -1, 19, 49, -7, -5, -3, -1, 3, 48, 34, 18, -1, 33, -1, 2, 32, -3, -1, 17, 1, -1, 16, 0},
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// 29: {-451, -117, -43, -25, -15, -7, -3, -1, 239, 254, -1, 223, 253, -3, -1, 207, 252, -1, 191, 251, -5, -1, 250, -1, 175, 159, -1, 249, 248, -9, -5, -3, -1, 143, 127, 247, -1, 111, 246, -3, -1, 95, 245, -1, 79, 244, -71, -7, -3, -1, 63, 243, -1, 47, 242, -5, -1, 241, -1, 31, 240, -25, -9, -1, 15, -3, -1, 238, 222, -1, 237, 206, -7, -3, -1, 236, 221, -1, 190, 235, -3, -1, 205, 220, -1, 174, 234, -15, -7, -3, -1, 189, 219, -1, 204, 158, -3, -1, 233, 173, -1, 218, 188, -7, -3, -1, 203, 142, -1, 232, 157, -3, -1, 217, 126, -1, 231, 172, 255, -235, -143, -77, -45, -25, -15, -7, -3, -1, 202, 187, -1, 141, 216, -5, -3, -1, 14, 224, 13, 230, -5, -3, -1, 110, 156, 201, -1, 94, 186, -9, -5, -1, 229, -1, 171, 125, -1, 215, 228, -3, -1, 140, 200, -3, -1, 78, 46, 62, -15, -7, -3, -1, 109, 214, -1, 227, 155, -3, -1, 185, 170, -1, 226, 30, -7, -3, -1, 225, 93, -1, 213, 124, -3, -1, 199, 77, -1, 139, 184, -31, -15, -7, -3, -1, 212, 154, -1, 169, 108, -3, -1, 198, 61, -1, 211, 45, -7, -3, -1, 210, 29, -1, 123, 183, -3, -1, 209, 92, -1, 197, 138, -17, -7, -3, -1, 168, 153, -1, 76, 196, -3, -1, 107, 182, -3, -1, 208, 12, 60, -7, -3, -1, 195, 122, -1, 167, 44, -3, -1, 194, 91, -1, 181, 28, -57, -35, -19, -7, -3, -1, 137, 152, -1, 193, 75, -5, -3, -1, 192, 11, 59, -3, -1, 176, 10, 26, -5, -1, 180, -1, 106, 166, -3, -1, 121, 151, -3, -1, 160, 9, 144, -9, -3, -1, 179, 136, -3, -1, 43, 90, 178, -7, -3, -1, 165, 27, -1, 177, 105, -1, 150, 164, -17, -9, -5, -3, -1, 74, 120, 135, -1, 58, 163, -3, -1, 89, 149, -1, 42, 162, -7, -3, -1, 161, 104, -1, 134, 119, -3, -1, 73, 148, -1, 57, 147, -63, -31, -15, -7, -3, -1, 88, 133, -1, 41, 103, -3, -1, 118, 146, -1, 25, 145, -7, -3, -1, 72, 132, -1, 87, 117, -3, -1, 56, 131, -1, 102, 40, -17, -7, -3, -1, 130, 24, -1, 71, 116, -5, -1, 129, -1, 8, 128, -1, 86, 101, -7, -5, -1, 23, -1, 7, 112, 115, -3, -1, 55, 39, 114, -15, -7, -3, -1, 70, 100, -1, 85, 113, -3, -1, 54, 99, -1, 69, 84, -7, -3, -1, 38, 98, -1, 22, 97, -5, -3, -1, 6, 96, 53, -1, 83, 68, -51, -37, -23, -15, -9, -3, -1, 37, 82, -1, 21, -1, 5, 80, -1, 81, -1, 52, 67, -3, -1, 36, 66, -1, 51, 20, -9, -5, -1, 65, -1, 4, 64, -1, 35, 50, -1, 19, 49, -7, -5, -3, -1, 3, 48, 34, 18, -1, 33, -1, 2, 32, -3, -1, 17, 1, -1, 16, 0},
|
|
|
|
|
// 30: {-451, -117, -43, -25, -15, -7, -3, -1, 239, 254, -1, 223, 253, -3, -1, 207, 252, -1, 191, 251, -5, -1, 250, -1, 175, 159, -1, 249, 248, -9, -5, -3, -1, 143, 127, 247, -1, 111, 246, -3, -1, 95, 245, -1, 79, 244, -71, -7, -3, -1, 63, 243, -1, 47, 242, -5, -1, 241, -1, 31, 240, -25, -9, -1, 15, -3, -1, 238, 222, -1, 237, 206, -7, -3, -1, 236, 221, -1, 190, 235, -3, -1, 205, 220, -1, 174, 234, -15, -7, -3, -1, 189, 219, -1, 204, 158, -3, -1, 233, 173, -1, 218, 188, -7, -3, -1, 203, 142, -1, 232, 157, -3, -1, 217, 126, -1, 231, 172, 255, -235, -143, -77, -45, -25, -15, -7, -3, -1, 202, 187, -1, 141, 216, -5, -3, -1, 14, 224, 13, 230, -5, -3, -1, 110, 156, 201, -1, 94, 186, -9, -5, -1, 229, -1, 171, 125, -1, 215, 228, -3, -1, 140, 200, -3, -1, 78, 46, 62, -15, -7, -3, -1, 109, 214, -1, 227, 155, -3, -1, 185, 170, -1, 226, 30, -7, -3, -1, 225, 93, -1, 213, 124, -3, -1, 199, 77, -1, 139, 184, -31, -15, -7, -3, -1, 212, 154, -1, 169, 108, -3, -1, 198, 61, -1, 211, 45, -7, -3, -1, 210, 29, -1, 123, 183, -3, -1, 209, 92, -1, 197, 138, -17, -7, -3, -1, 168, 153, -1, 76, 196, -3, -1, 107, 182, -3, -1, 208, 12, 60, -7, -3, -1, 195, 122, -1, 167, 44, -3, -1, 194, 91, -1, 181, 28, -57, -35, -19, -7, -3, -1, 137, 152, -1, 193, 75, -5, -3, -1, 192, 11, 59, -3, -1, 176, 10, 26, -5, -1, 180, -1, 106, 166, -3, -1, 121, 151, -3, -1, 160, 9, 144, -9, -3, -1, 179, 136, -3, -1, 43, 90, 178, -7, -3, -1, 165, 27, -1, 177, 105, -1, 150, 164, -17, -9, -5, -3, -1, 74, 120, 135, -1, 58, 163, -3, -1, 89, 149, -1, 42, 162, -7, -3, -1, 161, 104, -1, 134, 119, -3, -1, 73, 148, -1, 57, 147, -63, -31, -15, -7, -3, -1, 88, 133, -1, 41, 103, -3, -1, 118, 146, -1, 25, 145, -7, -3, -1, 72, 132, -1, 87, 117, -3, -1, 56, 131, -1, 102, 40, -17, -7, -3, -1, 130, 24, -1, 71, 116, -5, -1, 129, -1, 8, 128, -1, 86, 101, -7, -5, -1, 23, -1, 7, 112, 115, -3, -1, 55, 39, 114, -15, -7, -3, -1, 70, 100, -1, 85, 113, -3, -1, 54, 99, -1, 69, 84, -7, -3, -1, 38, 98, -1, 22, 97, -5, -3, -1, 6, 96, 53, -1, 83, 68, -51, -37, -23, -15, -9, -3, -1, 37, 82, -1, 21, -1, 5, 80, -1, 81, -1, 52, 67, -3, -1, 36, 66, -1, 51, 20, -9, -5, -1, 65, -1, 4, 64, -1, 35, 50, -1, 19, 49, -7, -5, -3, -1, 3, 48, 34, 18, -1, 33, -1, 2, 32, -3, -1, 17, 1, -1, 16, 0},
|
|
|
|
|
// 31: {-451, -117, -43, -25, -15, -7, -3, -1, 239, 254, -1, 223, 253, -3, -1, 207, 252, -1, 191, 251, -5, -1, 250, -1, 175, 159, -1, 249, 248, -9, -5, -3, -1, 143, 127, 247, -1, 111, 246, -3, -1, 95, 245, -1, 79, 244, -71, -7, -3, -1, 63, 243, -1, 47, 242, -5, -1, 241, -1, 31, 240, -25, -9, -1, 15, -3, -1, 238, 222, -1, 237, 206, -7, -3, -1, 236, 221, -1, 190, 235, -3, -1, 205, 220, -1, 174, 234, -15, -7, -3, -1, 189, 219, -1, 204, 158, -3, -1, 233, 173, -1, 218, 188, -7, -3, -1, 203, 142, -1, 232, 157, -3, -1, 217, 126, -1, 231, 172, 255, -235, -143, -77, -45, -25, -15, -7, -3, -1, 202, 187, -1, 141, 216, -5, -3, -1, 14, 224, 13, 230, -5, -3, -1, 110, 156, 201, -1, 94, 186, -9, -5, -1, 229, -1, 171, 125, -1, 215, 228, -3, -1, 140, 200, -3, -1, 78, 46, 62, -15, -7, -3, -1, 109, 214, -1, 227, 155, -3, -1, 185, 170, -1, 226, 30, -7, -3, -1, 225, 93, -1, 213, 124, -3, -1, 199, 77, -1, 139, 184, -31, -15, -7, -3, -1, 212, 154, -1, 169, 108, -3, -1, 198, 61, -1, 211, 45, -7, -3, -1, 210, 29, -1, 123, 183, -3, -1, 209, 92, -1, 197, 138, -17, -7, -3, -1, 168, 153, -1, 76, 196, -3, -1, 107, 182, -3, -1, 208, 12, 60, -7, -3, -1, 195, 122, -1, 167, 44, -3, -1, 194, 91, -1, 181, 28, -57, -35, -19, -7, -3, -1, 137, 152, -1, 193, 75, -5, -3, -1, 192, 11, 59, -3, -1, 176, 10, 26, -5, -1, 180, -1, 106, 166, -3, -1, 121, 151, -3, -1, 160, 9, 144, -9, -3, -1, 179, 136, -3, -1, 43, 90, 178, -7, -3, -1, 165, 27, -1, 177, 105, -1, 150, 164, -17, -9, -5, -3, -1, 74, 120, 135, -1, 58, 163, -3, -1, 89, 149, -1, 42, 162, -7, -3, -1, 161, 104, -1, 134, 119, -3, -1, 73, 148, -1, 57, 147, -63, -31, -15, -7, -3, -1, 88, 133, -1, 41, 103, -3, -1, 118, 146, -1, 25, 145, -7, -3, -1, 72, 132, -1, 87, 117, -3, -1, 56, 131, -1, 102, 40, -17, -7, -3, -1, 130, 24, -1, 71, 116, -5, -1, 129, -1, 8, 128, -1, 86, 101, -7, -5, -1, 23, -1, 7, 112, 115, -3, -1, 55, 39, 114, -15, -7, -3, -1, 70, 100, -1, 85, 113, -3, -1, 54, 99, -1, 69, 84, -7, -3, -1, 38, 98, -1, 22, 97, -5, -3, -1, 6, 96, 53, -1, 83, 68, -51, -37, -23, -15, -9, -3, -1, 37, 82, -1, 21, -1, 5, 80, -1, 81, -1, 52, 67, -3, -1, 36, 66, -1, 51, 20, -9, -5, -1, 65, -1, 4, 64, -1, 35, 50, -1, 19, 49, -7, -5, -3, -1, 3, 48, 34, 18, -1, 33, -1, 2, 32, -3, -1, 17, 1, -1, 16, 0},
|
|
|
|
|
// 32: {},
|
|
|
|
|
// 33: {},
|
|
|
|
|
// }
|
|
|
|
|
|
|
|
|
|
// var scalefacCompress = [16][2]int{
|
|
|
|
|
// // slen1, slen2
|
|
|
|
|
// 0: {0, 0},
|
|
|
|
|
// 1: {0, 1},
|
|
|
|
|
// 2: {0, 2},
|
|
|
|
|
// 3: {0, 3},
|
|
|
|
|
// 4: {3, 0},
|
|
|
|
|
// 5: {1, 1},
|
|
|
|
|
// 6: {1, 2},
|
|
|
|
|
// 7: {1, 3},
|
|
|
|
|
// 8: {2, 1},
|
|
|
|
|
// 9: {2, 2},
|
|
|
|
|
// 10: {2, 3},
|
|
|
|
|
// 11: {3, 1},
|
|
|
|
|
// 12: {3, 2},
|
|
|
|
|
// 13: {3, 3},
|
|
|
|
|
// 14: {4, 2},
|
|
|
|
|
// 15: {4, 3},
|
|
|
|
|
// }
|
|
|
|
|
|
2021-11-05 17:04:26 +03:00
|
|
|
var blockTypeNames = decode.UToStr{
|
2020-06-08 03:29:51 +03:00
|
|
|
0: "reserved",
|
|
|
|
|
1: "start block",
|
|
|
|
|
2: "3 short windows",
|
|
|
|
|
3: "end",
|
|
|
|
|
}
|
|
|
|
|
|
2021-11-05 17:04:26 +03:00
|
|
|
const (
|
|
|
|
|
mpegVersion1 = 0b11
|
|
|
|
|
mpegVersion2 = 0b10
|
|
|
|
|
mpegVersion25 = 0b00
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
var mpegVersionNames = decode.UToScalar{
|
|
|
|
|
mpegVersion1: {Sym: "1", Description: "MPEG Version 1"},
|
|
|
|
|
mpegVersion2: {Sym: "2", Description: "MPEG Version 2"},
|
|
|
|
|
mpegVersion25: {Sym: "2.5", Description: "MPEG Version 2.5"},
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var mpegVersionN = map[uint64]uint64{
|
|
|
|
|
mpegVersion25: 3,
|
|
|
|
|
mpegVersion2: 2,
|
|
|
|
|
mpegVersion1: 1,
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
const (
|
|
|
|
|
mpegLayer1 = 0b11
|
|
|
|
|
mpegLayer2 = 0b10
|
|
|
|
|
mpegLayer3 = 0b01
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
var mpegLayerNames = decode.UToScalar{
|
|
|
|
|
mpegLayer1: {Sym: 1, Description: "MPEG Layer 1"},
|
|
|
|
|
mpegLayer2: {Sym: 2, Description: "MPEG Layer 2"},
|
|
|
|
|
mpegLayer3: {Sym: 3, Description: "MPEG Layer 3"},
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var mpegLayerN = map[uint64]uint64{
|
|
|
|
|
mpegLayer3: 3,
|
|
|
|
|
mpegLayer2: 2,
|
|
|
|
|
mpegLayer1: 1,
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var protectionNames = decode.BoolToScalar{
|
|
|
|
|
true: {Description: "No CRC"},
|
|
|
|
|
false: {Description: "Has CRC"},
|
|
|
|
|
}
|
|
|
|
|
|
2020-06-08 03:29:51 +03:00
|
|
|
func frameDecode(d *decode.D, in interface{}) interface{} {
|
|
|
|
|
const headerBytes = 4
|
|
|
|
|
var sideInfoBytes int64
|
|
|
|
|
var isStereo bool
|
|
|
|
|
var paddingBytes uint64
|
|
|
|
|
var crcBytes int64
|
2021-11-05 17:04:26 +03:00
|
|
|
var mpegVersionNr uint64
|
|
|
|
|
var mpegLayerNr uint64
|
2021-11-19 13:55:45 +03:00
|
|
|
var protectionAbsent bool
|
2020-06-08 03:29:51 +03:00
|
|
|
var bitRate uint64
|
|
|
|
|
var sampleRate uint64
|
2021-11-19 13:55:45 +03:00
|
|
|
var channelsIndex uint64
|
|
|
|
|
var channelModeIndex uint64
|
2020-06-08 03:29:51 +03:00
|
|
|
var mainDataEnd uint64
|
2021-11-05 17:04:26 +03:00
|
|
|
var crcValue *decode.Value
|
2020-06-08 03:29:51 +03:00
|
|
|
|
2021-11-05 17:04:26 +03:00
|
|
|
d.FieldStruct("header", func(d *decode.D) {
|
|
|
|
|
d.FieldU11("sync", d.AssertU(0b111_1111_1111), d.Bin)
|
2020-06-08 03:29:51 +03:00
|
|
|
|
|
|
|
|
// v = 3 means version 2.5
|
2021-11-05 17:04:26 +03:00
|
|
|
mpegVersion := d.FieldU2("mpeg_version", d.MapUToScalar(mpegVersionNames))
|
|
|
|
|
mpegVersionNr = mpegVersionN[mpegVersion]
|
|
|
|
|
if mpegVersionNr == 0 {
|
2021-11-17 18:26:13 +03:00
|
|
|
d.Errorf("Unsupported mpeg version")
|
2021-11-05 17:04:26 +03:00
|
|
|
}
|
|
|
|
|
mpegLayer := d.FieldU2("layer", d.MapUToScalar(mpegLayerNames))
|
|
|
|
|
mpegLayerNr = mpegLayerN[mpegLayer]
|
|
|
|
|
if mpegLayerNr != 3 {
|
2021-11-17 18:26:13 +03:00
|
|
|
d.Errorf("Not layer 3")
|
2021-11-16 19:11:26 +03:00
|
|
|
mpegLayerNr = 3
|
2021-08-13 15:21:32 +03:00
|
|
|
}
|
2020-06-08 03:29:51 +03:00
|
|
|
// [mpeg layer][mpeg version]
|
2021-09-20 19:54:06 +03:00
|
|
|
var samplesFrameIndex = map[uint][4]uint{
|
2020-06-08 03:29:51 +03:00
|
|
|
0: [...]uint{0, 0, 0, 0},
|
|
|
|
|
1: [...]uint{0, 384, 384, 384},
|
|
|
|
|
2: [...]uint{0, 1152, 1152, 1152},
|
|
|
|
|
3: [...]uint{0, 1152, 576, 576},
|
|
|
|
|
}
|
|
|
|
|
// TODO: synthentic fields somehow?
|
2021-11-05 17:04:26 +03:00
|
|
|
d.FieldUFn("sample_count", func(d *decode.D) uint64 {
|
|
|
|
|
return uint64(samplesFrameIndex[uint(mpegLayerNr)][uint(mpegVersionNr)])
|
2020-06-08 03:29:51 +03:00
|
|
|
})
|
2021-11-05 17:04:26 +03:00
|
|
|
protection := d.FieldBool("protection_absent", d.MapBoolToScalar(protectionNames))
|
2020-06-08 03:29:51 +03:00
|
|
|
// note false mean has protection
|
|
|
|
|
hasCRC := !protection
|
|
|
|
|
// V1,L1 V1,L2 V1,L3 V2,L1 V2,L2 V2,L3 V2.5,L1 V2.5,L2 V2.5,L3
|
|
|
|
|
var bitRateIndex = map[uint][9]uint{
|
|
|
|
|
0b0001: [...]uint{32, 32, 32, 32, 8, 8, 32, 8, 8},
|
|
|
|
|
0b0010: [...]uint{64, 48, 40, 48, 16, 16, 48, 16, 16},
|
|
|
|
|
0b0011: [...]uint{96, 56, 48, 56, 24, 24, 56, 24, 24},
|
|
|
|
|
0b0100: [...]uint{128, 64, 56, 64, 32, 32, 64, 32, 32},
|
|
|
|
|
0b0101: [...]uint{160, 80, 64, 80, 40, 40, 80, 40, 40},
|
|
|
|
|
0b0110: [...]uint{192, 96, 80, 96, 48, 48, 96, 48, 48},
|
|
|
|
|
0b0111: [...]uint{224, 112, 96, 112, 56, 56, 112, 56, 56},
|
|
|
|
|
0b1000: [...]uint{256, 128, 112, 128, 64, 64, 128, 64, 64},
|
|
|
|
|
0b1001: [...]uint{288, 160, 128, 144, 80, 80, 144, 80, 80},
|
|
|
|
|
0b1010: [...]uint{320, 192, 160, 160, 96, 96, 160, 96, 96},
|
|
|
|
|
0b1011: [...]uint{352, 224, 192, 176, 112, 112, 176, 112, 112},
|
|
|
|
|
0b1100: [...]uint{384, 256, 224, 192, 128, 128, 192, 128, 128},
|
|
|
|
|
0b1101: [...]uint{416, 320, 256, 224, 144, 144, 224, 144, 144},
|
|
|
|
|
0b1110: [...]uint{448, 384, 320, 256, 160, 160, 256, 160, 160},
|
|
|
|
|
}
|
2021-11-05 17:04:26 +03:00
|
|
|
// TODO: FieldU4
|
|
|
|
|
d.FieldUScalarFn("bitrate", func(d *decode.D) decode.Scalar {
|
2020-06-08 03:29:51 +03:00
|
|
|
u := d.U4()
|
|
|
|
|
switch u {
|
|
|
|
|
case 0b0000:
|
2021-11-05 17:04:26 +03:00
|
|
|
return decode.Scalar{Actual: u, Description: "free"}
|
2020-06-08 03:29:51 +03:00
|
|
|
case 0b1111:
|
2021-11-05 17:04:26 +03:00
|
|
|
// TODO: bad?
|
|
|
|
|
return decode.Scalar{Actual: u, Description: "bad"}
|
2020-06-08 03:29:51 +03:00
|
|
|
default:
|
2021-11-05 17:04:26 +03:00
|
|
|
i := (mpegVersionNr-1)*3 + (mpegLayerNr - 1)
|
2020-06-08 03:29:51 +03:00
|
|
|
if i >= 9 {
|
2021-11-17 18:26:13 +03:00
|
|
|
d.Fatalf("Invalid bitrate index")
|
2020-06-08 03:29:51 +03:00
|
|
|
}
|
2021-11-05 17:04:26 +03:00
|
|
|
bitRate = uint64(bitRateIndex[uint(u)][(mpegVersionNr-1)*3+(mpegLayerNr-1)]) * 1000
|
|
|
|
|
return decode.Scalar{Actual: u, Sym: bitRate}
|
2020-06-08 03:29:51 +03:00
|
|
|
}
|
|
|
|
|
})
|
|
|
|
|
// MPEG1 MPEG2 MPEG2.5
|
|
|
|
|
var sampleRateIndex = map[uint][3]uint{
|
|
|
|
|
0b00: [...]uint{44100, 22050, 11025},
|
|
|
|
|
0b01: [...]uint{48000, 24000, 12000},
|
|
|
|
|
0b10: [...]uint{32000, 16000, 8000},
|
|
|
|
|
}
|
2021-11-05 17:04:26 +03:00
|
|
|
// TODO: FieldU2
|
|
|
|
|
d.FieldUScalarFn("sample_rate", func(d *decode.D) decode.Scalar {
|
2020-06-08 03:29:51 +03:00
|
|
|
u := d.U2()
|
|
|
|
|
switch u {
|
|
|
|
|
case 0b11:
|
2021-11-05 17:04:26 +03:00
|
|
|
return decode.Scalar{Actual: u, Description: "reserved"}
|
2020-06-08 03:29:51 +03:00
|
|
|
default:
|
2021-11-05 17:04:26 +03:00
|
|
|
sampleRate = uint64(sampleRateIndex[uint(u)][mpegVersionNr-1])
|
|
|
|
|
return decode.Scalar{Actual: u, Sym: sampleRate}
|
2020-06-08 03:29:51 +03:00
|
|
|
}
|
|
|
|
|
})
|
|
|
|
|
|
2021-11-17 18:13:10 +03:00
|
|
|
paddingBytes = d.FieldU1("padding", d.MapUToStrSym(decode.UToStr{
|
2020-06-08 03:29:51 +03:00
|
|
|
0: "Not padded",
|
|
|
|
|
1: "Padded",
|
2021-11-05 17:04:26 +03:00
|
|
|
}), d.Bin)
|
2020-06-08 03:29:51 +03:00
|
|
|
d.FieldU1("private")
|
2021-11-19 13:55:45 +03:00
|
|
|
channelsIndex = d.FieldU2("channels", d.MapUToStrSym(decode.UToStr{
|
2020-06-08 03:29:51 +03:00
|
|
|
0b00: "Stereo",
|
|
|
|
|
0b01: "Joint stereo",
|
|
|
|
|
0b10: "Dual",
|
|
|
|
|
0b11: "Mono",
|
2021-11-05 17:04:26 +03:00
|
|
|
}), d.Bin)
|
2020-06-08 03:29:51 +03:00
|
|
|
isStereo = channelsIndex != 0b11
|
2021-11-19 13:55:45 +03:00
|
|
|
channelModeIndex = d.FieldU2("channel_mode", d.MapUToStrSym(decode.UToStr{
|
2020-06-08 03:29:51 +03:00
|
|
|
0b00: "None",
|
|
|
|
|
0b01: "Intensity stereo",
|
|
|
|
|
0b10: "MS stereo",
|
|
|
|
|
0b11: "Intensity stereo, MS stereo",
|
2021-11-05 17:04:26 +03:00
|
|
|
}), d.Bin)
|
2020-06-08 03:29:51 +03:00
|
|
|
d.FieldU1("copyright")
|
|
|
|
|
d.FieldU1("original")
|
2021-11-17 18:13:10 +03:00
|
|
|
d.FieldU2("emphasis", d.MapUToStrSym(decode.UToStr{
|
2020-06-08 03:29:51 +03:00
|
|
|
0b00: "None",
|
|
|
|
|
0b01: "50/15",
|
|
|
|
|
0b10: "reserved",
|
|
|
|
|
0b11: "CCIT J.17",
|
2021-11-05 17:04:26 +03:00
|
|
|
}), d.Bin)
|
2020-06-08 03:29:51 +03:00
|
|
|
if hasCRC {
|
2021-11-24 13:15:42 +03:00
|
|
|
d.FieldU16("crc", d.Hex)
|
2021-11-05 17:04:26 +03:00
|
|
|
crcValue = d.FieldGet("crc")
|
2020-06-08 03:29:51 +03:00
|
|
|
crcBytes = 2
|
|
|
|
|
}
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
channelCount := 1
|
|
|
|
|
if isStereo {
|
|
|
|
|
channelCount = 2
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// TODO: better truncate handle, must decode lengths?
|
|
|
|
|
// if d.BitsLeft() < int64(dataLen*8) {
|
|
|
|
|
// dataLen = d.BitsLeft() / 8
|
|
|
|
|
// }
|
|
|
|
|
|
|
|
|
|
// [mono/stereo][mpeg version]
|
|
|
|
|
sideInfoIndex := map[bool][4]int64{
|
|
|
|
|
false: {0, 17, 9, 9}, // mono
|
|
|
|
|
true: {0, 32, 17, 17}, // stereo
|
|
|
|
|
}
|
2021-11-05 17:04:26 +03:00
|
|
|
if mpegLayerNr == 3 {
|
|
|
|
|
sideInfoBytes = sideInfoIndex[isStereo][int(mpegVersionNr)]
|
2020-06-08 03:29:51 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// d.DecodeLenFn(dataLen*8, func(d *decode.D) {
|
|
|
|
|
if sideInfoBytes != 0 {
|
2021-11-05 17:04:26 +03:00
|
|
|
d.FieldStruct("side_info", func(d *decode.D) {
|
2020-06-08 03:29:51 +03:00
|
|
|
mainDataEnd = d.FieldU9("main_data_end")
|
|
|
|
|
if isStereo {
|
|
|
|
|
d.FieldU3("private_bits")
|
|
|
|
|
} else {
|
|
|
|
|
d.FieldU5("private_bits")
|
|
|
|
|
}
|
|
|
|
|
d.FieldU4("share0")
|
|
|
|
|
if isStereo {
|
|
|
|
|
d.FieldU4("share1")
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// TODO: mpeg_version 2 use 1, otherwise 2
|
|
|
|
|
granuleCount := 2
|
|
|
|
|
granuleNr := 0
|
2021-11-05 17:04:26 +03:00
|
|
|
d.FieldStructArrayLoop("granules", "granule", func() bool { return granuleNr < granuleCount }, func(d *decode.D) {
|
2020-06-08 03:29:51 +03:00
|
|
|
channelNr := 0
|
2021-11-05 17:04:26 +03:00
|
|
|
d.FieldStructArrayLoop("channels", "channel", func() bool { return channelNr < channelCount }, func(d *decode.D) {
|
2020-06-08 03:29:51 +03:00
|
|
|
// TODO: tables and interpret values a bit
|
|
|
|
|
d.FieldU12("part2_3_length")
|
|
|
|
|
d.FieldU9("big_values")
|
|
|
|
|
d.FieldU8("global_gain")
|
|
|
|
|
d.FieldU4("scalefac_compress")
|
|
|
|
|
blocksplitFlag := d.FieldU1("blocksplit_flag")
|
|
|
|
|
|
|
|
|
|
if blocksplitFlag == 1 {
|
2021-11-17 18:13:10 +03:00
|
|
|
d.FieldU2("block_type", d.MapUToStrSym(blockTypeNames))
|
2020-06-08 03:29:51 +03:00
|
|
|
d.FieldU1("switch_point")
|
|
|
|
|
d.FieldU5("table_select0")
|
|
|
|
|
d.FieldU5("table_select1")
|
|
|
|
|
d.FieldU3("subblock_gain0")
|
|
|
|
|
d.FieldU3("subblock_gain1")
|
|
|
|
|
d.FieldU3("subblock_gain2")
|
|
|
|
|
} else {
|
|
|
|
|
d.FieldU5("table_select0")
|
|
|
|
|
d.FieldU5("table_select1")
|
|
|
|
|
d.FieldU5("table_select2")
|
|
|
|
|
d.FieldU4("region_address1")
|
|
|
|
|
d.FieldU3("region_address2")
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
d.FieldU1("preflag")
|
|
|
|
|
d.FieldU1("scalefac_scale")
|
|
|
|
|
d.FieldU1("count1table_select")
|
|
|
|
|
|
|
|
|
|
channelNr++
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
granuleNr++
|
|
|
|
|
})
|
|
|
|
|
})
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if sampleRate == 0 {
|
2021-11-22 03:23:59 +03:00
|
|
|
d.Fatalf("zero sample rate")
|
2020-06-08 03:29:51 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
calcFrameBytes := int64(144*bitRate/sampleRate + paddingBytes)
|
|
|
|
|
dataWithPaddingBytes := calcFrameBytes - headerBytes - crcBytes - sideInfoBytes
|
|
|
|
|
|
2021-11-30 17:29:01 +03:00
|
|
|
if dv, _, _ := d.TryFieldFormat("xing", xingHeader, nil); dv != nil {
|
2020-06-08 03:29:51 +03:00
|
|
|
// TODO: allow shorter?
|
|
|
|
|
paddingBytes := dataWithPaddingBytes - dv.Range.Len/8
|
2021-11-05 17:04:26 +03:00
|
|
|
d.FieldRawLen("padding", paddingBytes*8)
|
2020-06-08 03:29:51 +03:00
|
|
|
} else {
|
|
|
|
|
frameMainDataPartBytes := dataWithPaddingBytes - int64(mainDataEnd) - int64(paddingBytes)
|
|
|
|
|
followingFrameMainDataPartsBytes := int64(mainDataEnd)
|
|
|
|
|
|
|
|
|
|
// main data ends in previous frame
|
|
|
|
|
if frameMainDataPartBytes < 0 {
|
|
|
|
|
frameMainDataPartBytes = 0
|
|
|
|
|
followingFrameMainDataPartsBytes = dataWithPaddingBytes - int64(paddingBytes)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if frameMainDataPartBytes > 0 {
|
2021-11-05 17:04:26 +03:00
|
|
|
d.FieldRawLen("data", frameMainDataPartBytes*8)
|
2020-06-08 03:29:51 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// TODO: correct? part of main data or not? part of next main data?
|
|
|
|
|
if paddingBytes > 0 {
|
2021-11-05 17:04:26 +03:00
|
|
|
d.FieldRawLen("padding_byte", int64(paddingBytes)*8)
|
2020-06-08 03:29:51 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// TODO: better naming, main data does not always follow side info
|
|
|
|
|
// TODO: ancillary data between end of bitstream main data bits and start of next frames bitstream main data bits
|
|
|
|
|
|
|
|
|
|
followingFramesBytesLeft := d.BitsLeft() / 8
|
|
|
|
|
|
|
|
|
|
if followingFramesBytesLeft <= followingFrameMainDataPartsBytes {
|
|
|
|
|
followingFrameMainDataPartsBytes = followingFramesBytesLeft
|
|
|
|
|
}
|
|
|
|
|
|
2021-11-05 17:04:26 +03:00
|
|
|
d.FieldRawLen("other_data", followingFrameMainDataPartsBytes*8)
|
2020-06-08 03:29:51 +03:00
|
|
|
}
|
|
|
|
|
|
2021-11-24 23:20:46 +03:00
|
|
|
crcHash := &checksum.CRC{Bits: 16, Current: 0xffff, Table: checksum.ANSI16Table}
|
2020-06-08 03:29:51 +03:00
|
|
|
// 2 bytes after sync and some other fields + all of side info
|
2021-11-18 03:17:41 +03:00
|
|
|
d.MustCopy(crcHash, d.BitBufRange(2*8, 2*8))
|
|
|
|
|
d.MustCopy(crcHash, d.BitBufRange(6*8, sideInfoBytes*8))
|
2021-11-05 17:04:26 +03:00
|
|
|
|
2020-06-08 03:29:51 +03:00
|
|
|
if crcValue != nil {
|
2021-11-24 13:15:42 +03:00
|
|
|
_ = crcValue.TryScalarFn(d.ValidateUBytes(crcHash.Sum(nil)))
|
2020-06-08 03:29:51 +03:00
|
|
|
}
|
2021-11-05 17:04:26 +03:00
|
|
|
d.FieldValueRaw("crc_calculated", crcHash.Sum(nil), d.RawHex)
|
2020-06-08 03:29:51 +03:00
|
|
|
|
2021-11-19 13:55:45 +03:00
|
|
|
return format.MP3FrameOut{
|
|
|
|
|
MPEGVersion: int(mpegVersionNr),
|
|
|
|
|
ProtectionAbsent: protectionAbsent,
|
|
|
|
|
BitRate: int(bitRate),
|
|
|
|
|
SampleRate: int(sampleRate),
|
|
|
|
|
ChannelsIndex: int(channelModeIndex),
|
|
|
|
|
ChannelModeIndex: int(channelModeIndex),
|
|
|
|
|
}
|
2020-06-08 03:29:51 +03:00
|
|
|
}
|
