// /*************************************************************************** // Aaru Data Preservation Suite // ---------------------------------------------------------------------------- // // Filename : Subchannel.cs // Author(s) : Natalia Portillo // // Component : Device structures decoders. // // --[ License ] -------------------------------------------------------------- // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as // published by the Free Software Foundation, either version 3 of the // License, or (at your option) any later version. // // This program 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 General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program. If not, see . // // ---------------------------------------------------------------------------- // Copyright © 2011-2023 Natalia Portillo // ****************************************************************************/ using System; using Aaru.Checksums; namespace Aaru.Decoders.CD; public static class Subchannel { static readonly string[] _isrcTable = { // 0x00 "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "", "", "", "", "", "", // 0x10 "", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", // 0x20 "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "", "", "", "", "", // 0x30 "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }; public static void BinaryToBcdQ(byte[] q) { if((q[0] & 0xF) == 1 || (q[0] & 0xF) == 5) { q[1] = (byte)((q[1] / 10 << 4) + q[1] % 10); q[2] = (byte)((q[2] / 10 << 4) + q[2] % 10); q[3] = (byte)((q[3] / 10 << 4) + q[3] % 10); q[4] = (byte)((q[4] / 10 << 4) + q[4] % 10); q[5] = (byte)((q[5] / 10 << 4) + q[5] % 10); q[6] = (byte)((q[6] / 10 << 4) + q[6] % 10); q[7] = (byte)((q[7] / 10 << 4) + q[7] % 10); q[8] = (byte)((q[8] / 10 << 4) + q[8] % 10); } q[9] = (byte)((q[9] / 10 << 4) + q[9] % 10); } public static void BcdToBinaryQ(byte[] q) { if((q[0] & 0xF) == 1 || (q[0] & 0xF) == 5) { q[1] = (byte)(q[1] / 16 * 10 + (q[1] & 0x0F)); q[2] = (byte)(q[2] / 16 * 10 + (q[2] & 0x0F)); q[3] = (byte)(q[3] / 16 * 10 + (q[3] & 0x0F)); q[4] = (byte)(q[4] / 16 * 10 + (q[4] & 0x0F)); q[5] = (byte)(q[5] / 16 * 10 + (q[5] & 0x0F)); q[6] = (byte)(q[6] / 16 * 10 + (q[6] & 0x0F)); q[7] = (byte)(q[7] / 16 * 10 + (q[7] & 0x0F)); q[8] = (byte)(q[8] / 16 * 10 + (q[8] & 0x0F)); } q[9] = (byte)(q[9] / 16 * 10 + (q[9] & 0x0F)); } public static byte[] ConvertQToRaw(byte[] subchannel) { var pos = 0; var subBuf = new byte[subchannel.Length * 6]; for(var i = 0; i < subchannel.Length; i += 16) { // P if((subchannel[i + 15] & 0x80) <= 0) pos += 12; else { subBuf[pos++] = 0xFF; subBuf[pos++] = 0xFF; subBuf[pos++] = 0xFF; subBuf[pos++] = 0xFF; subBuf[pos++] = 0xFF; subBuf[pos++] = 0xFF; subBuf[pos++] = 0xFF; subBuf[pos++] = 0xFF; subBuf[pos++] = 0xFF; subBuf[pos++] = 0xFF; subBuf[pos++] = 0xFF; subBuf[pos++] = 0xFF; } // Q subBuf[pos++] = subchannel[i + 0]; subBuf[pos++] = subchannel[i + 1]; subBuf[pos++] = subchannel[i + 2]; subBuf[pos++] = subchannel[i + 3]; subBuf[pos++] = subchannel[i + 4]; subBuf[pos++] = subchannel[i + 5]; subBuf[pos++] = subchannel[i + 6]; subBuf[pos++] = subchannel[i + 7]; subBuf[pos++] = subchannel[i + 8]; subBuf[pos++] = subchannel[i + 9]; subBuf[pos++] = subchannel[i + 10]; subBuf[pos++] = subchannel[i + 11]; // R to W pos += 72; } return Interleave(subBuf); } public static byte[] Interleave(byte[] subchannel) { var subBuf = new byte[subchannel.Length]; var outPos = 0; for(var inPos = 0; inPos < subchannel.Length; inPos += 96) { for(var i = 0; i < 12; i++) { // P subBuf[outPos + 0] += (byte)(subchannel[inPos + i + 0] & 0x80); subBuf[outPos + 1] += (byte)((subchannel[inPos + i + 0] & 0x40) << 1); subBuf[outPos + 2] += (byte)((subchannel[inPos + i + 0] & 0x20) << 2); subBuf[outPos + 3] += (byte)((subchannel[inPos + i + 0] & 0x10) << 3); subBuf[outPos + 4] += (byte)((subchannel[inPos + i + 0] & 0x08) << 4); subBuf[outPos + 5] += (byte)((subchannel[inPos + i + 0] & 0x04) << 5); subBuf[outPos + 6] += (byte)((subchannel[inPos + i + 0] & 0x02) << 6); subBuf[outPos + 7] += (byte)((subchannel[inPos + i + 0] & 0x01) << 7); // Q subBuf[outPos + 0] += (byte)((subchannel[inPos + i + 12] & 0x80) >> 1); subBuf[outPos + 1] += (byte)(subchannel[inPos + i + 12] & 0x40); subBuf[outPos + 2] += (byte)((subchannel[inPos + i + 12] & 0x20) << 1); subBuf[outPos + 3] += (byte)((subchannel[inPos + i + 12] & 0x10) << 2); subBuf[outPos + 4] += (byte)((subchannel[inPos + i + 12] & 0x08) << 3); subBuf[outPos + 5] += (byte)((subchannel[inPos + i + 12] & 0x04) << 4); subBuf[outPos + 6] += (byte)((subchannel[inPos + i + 12] & 0x02) << 5); subBuf[outPos + 7] += (byte)((subchannel[inPos + i + 12] & 0x01) << 6); // R subBuf[outPos + 0] += (byte)((subchannel[inPos + i + 24] & 0x80) >> 2); subBuf[outPos + 1] += (byte)((subchannel[inPos + i + 24] & 0x40) >> 1); subBuf[outPos + 2] += (byte)(subchannel[inPos + i + 24] & 0x20); subBuf[outPos + 3] += (byte)((subchannel[inPos + i + 24] & 0x10) << 1); subBuf[outPos + 4] += (byte)((subchannel[inPos + i + 24] & 0x08) << 2); subBuf[outPos + 5] += (byte)((subchannel[inPos + i + 24] & 0x04) << 3); subBuf[outPos + 6] += (byte)((subchannel[inPos + i + 24] & 0x02) << 4); subBuf[outPos + 7] += (byte)((subchannel[inPos + i + 24] & 0x01) << 5); // S subBuf[outPos + 0] += (byte)((subchannel[inPos + i + 36] & 0x80) >> 3); subBuf[outPos + 1] += (byte)((subchannel[inPos + i + 36] & 0x40) >> 2); subBuf[outPos + 2] += (byte)((subchannel[inPos + i + 36] & 0x20) >> 1); subBuf[outPos + 3] += (byte)(subchannel[inPos + i + 36] & 0x10); subBuf[outPos + 4] += (byte)((subchannel[inPos + i + 36] & 0x08) << 1); subBuf[outPos + 5] += (byte)((subchannel[inPos + i + 36] & 0x04) << 2); subBuf[outPos + 6] += (byte)((subchannel[inPos + i + 36] & 0x02) << 3); subBuf[outPos + 7] += (byte)((subchannel[inPos + i + 36] & 0x01) << 4); // T subBuf[outPos + 0] += (byte)((subchannel[inPos + i + 48] & 0x80) >> 4); subBuf[outPos + 1] += (byte)((subchannel[inPos + i + 48] & 0x40) >> 3); subBuf[outPos + 2] += (byte)((subchannel[inPos + i + 48] & 0x20) >> 2); subBuf[outPos + 3] += (byte)((subchannel[inPos + i + 48] & 0x10) >> 1); subBuf[outPos + 4] += (byte)(subchannel[inPos + i + 48] & 0x08); subBuf[outPos + 5] += (byte)((subchannel[inPos + i + 48] & 0x04) << 1); subBuf[outPos + 6] += (byte)((subchannel[inPos + i + 48] & 0x02) << 2); subBuf[outPos + 7] += (byte)((subchannel[inPos + i + 48] & 0x01) << 3); // U subBuf[outPos + 0] += (byte)((subchannel[inPos + i + 60] & 0x80) >> 5); subBuf[outPos + 1] += (byte)((subchannel[inPos + i + 60] & 0x40) >> 4); subBuf[outPos + 2] += (byte)((subchannel[inPos + i + 60] & 0x20) >> 3); subBuf[outPos + 3] += (byte)((subchannel[inPos + i + 60] & 0x10) >> 2); subBuf[outPos + 4] += (byte)((subchannel[inPos + i + 60] & 0x08) >> 1); subBuf[outPos + 5] += (byte)(subchannel[inPos + i + 60] & 0x04); subBuf[outPos + 6] += (byte)((subchannel[inPos + i + 60] & 0x02) << 1); subBuf[outPos + 7] += (byte)((subchannel[inPos + i + 60] & 0x01) << 2); // V subBuf[outPos + 0] += (byte)((subchannel[inPos + i + 72] & 0x80) >> 6); subBuf[outPos + 1] += (byte)((subchannel[inPos + i + 72] & 0x40) >> 5); subBuf[outPos + 2] += (byte)((subchannel[inPos + i + 72] & 0x20) >> 4); subBuf[outPos + 3] += (byte)((subchannel[inPos + i + 72] & 0x10) >> 3); subBuf[outPos + 4] += (byte)((subchannel[inPos + i + 72] & 0x08) >> 2); subBuf[outPos + 5] += (byte)((subchannel[inPos + i + 72] & 0x04) >> 1); subBuf[outPos + 6] += (byte)(subchannel[inPos + i + 72] & 0x02); subBuf[outPos + 7] += (byte)((subchannel[inPos + i + 72] & 0x01) << 1); // W subBuf[outPos + 0] += (byte)((subchannel[inPos + i + 84] & 0x80) >> 7); subBuf[outPos + 1] += (byte)((subchannel[inPos + i + 84] & 0x40) >> 6); subBuf[outPos + 2] += (byte)((subchannel[inPos + i + 84] & 0x20) >> 5); subBuf[outPos + 3] += (byte)((subchannel[inPos + i + 84] & 0x10) >> 4); subBuf[outPos + 4] += (byte)((subchannel[inPos + i + 84] & 0x08) >> 3); subBuf[outPos + 5] += (byte)((subchannel[inPos + i + 84] & 0x04) >> 2); subBuf[outPos + 6] += (byte)((subchannel[inPos + i + 84] & 0x02) >> 1); subBuf[outPos + 7] += (byte)(subchannel[inPos + i + 84] & 0x01); outPos += 8; } } return subBuf; } public static byte[] Deinterleave(byte[] subchannel) { var subBuf = new byte[subchannel.Length]; var inPos = 0; for(var outPos = 0; outPos < subchannel.Length; outPos += 96) { for(var i = 0; i < 12; i++) { // P subBuf[outPos + i + 0] += (byte)((subchannel[inPos + 0] & 0x80) >> 0); subBuf[outPos + i + 0] += (byte)((subchannel[inPos + 1] & 0x80) >> 1); subBuf[outPos + i + 0] += (byte)((subchannel[inPos + 2] & 0x80) >> 2); subBuf[outPos + i + 0] += (byte)((subchannel[inPos + 3] & 0x80) >> 3); subBuf[outPos + i + 0] += (byte)((subchannel[inPos + 4] & 0x80) >> 4); subBuf[outPos + i + 0] += (byte)((subchannel[inPos + 5] & 0x80) >> 5); subBuf[outPos + i + 0] += (byte)((subchannel[inPos + 6] & 0x80) >> 6); subBuf[outPos + i + 0] += (byte)((subchannel[inPos + 7] & 0x80) >> 7); // Q subBuf[outPos + i + 12] += (byte)((subchannel[inPos + 0] & 0x40) << 1); subBuf[outPos + i + 12] += (byte)((subchannel[inPos + 1] & 0x40) >> 0); subBuf[outPos + i + 12] += (byte)((subchannel[inPos + 2] & 0x40) >> 1); subBuf[outPos + i + 12] += (byte)((subchannel[inPos + 3] & 0x40) >> 2); subBuf[outPos + i + 12] += (byte)((subchannel[inPos + 4] & 0x40) >> 3); subBuf[outPos + i + 12] += (byte)((subchannel[inPos + 5] & 0x40) >> 4); subBuf[outPos + i + 12] += (byte)((subchannel[inPos + 6] & 0x40) >> 5); subBuf[outPos + i + 12] += (byte)((subchannel[inPos + 7] & 0x40) >> 6); // R subBuf[outPos + i + 24] += (byte)((subchannel[inPos + 0] & 0x20) << 2); subBuf[outPos + i + 24] += (byte)((subchannel[inPos + 1] & 0x20) << 1); subBuf[outPos + i + 24] += (byte)((subchannel[inPos + 2] & 0x20) >> 0); subBuf[outPos + i + 24] += (byte)((subchannel[inPos + 3] & 0x20) >> 1); subBuf[outPos + i + 24] += (byte)((subchannel[inPos + 4] & 0x20) >> 2); subBuf[outPos + i + 24] += (byte)((subchannel[inPos + 5] & 0x20) >> 3); subBuf[outPos + i + 24] += (byte)((subchannel[inPos + 6] & 0x20) >> 4); subBuf[outPos + i + 24] += (byte)((subchannel[inPos + 7] & 0x20) >> 5); // S subBuf[outPos + i + 36] += (byte)((subchannel[inPos + 0] & 0x10) << 3); subBuf[outPos + i + 36] += (byte)((subchannel[inPos + 1] & 0x10) << 2); subBuf[outPos + i + 36] += (byte)((subchannel[inPos + 2] & 0x10) << 1); subBuf[outPos + i + 36] += (byte)((subchannel[inPos + 3] & 0x10) >> 0); subBuf[outPos + i + 36] += (byte)((subchannel[inPos + 4] & 0x10) >> 1); subBuf[outPos + i + 36] += (byte)((subchannel[inPos + 5] & 0x10) >> 2); subBuf[outPos + i + 36] += (byte)((subchannel[inPos + 6] & 0x10) >> 3); subBuf[outPos + i + 36] += (byte)((subchannel[inPos + 7] & 0x10) >> 4); // T subBuf[outPos + i + 48] += (byte)((subchannel[inPos + 0] & 0x8) << 4); subBuf[outPos + i + 48] += (byte)((subchannel[inPos + 1] & 0x8) << 3); subBuf[outPos + i + 48] += (byte)((subchannel[inPos + 2] & 0x8) << 2); subBuf[outPos + i + 48] += (byte)((subchannel[inPos + 3] & 0x8) << 1); subBuf[outPos + i + 48] += (byte)((subchannel[inPos + 4] & 0x8) >> 0); subBuf[outPos + i + 48] += (byte)((subchannel[inPos + 5] & 0x8) >> 1); subBuf[outPos + i + 48] += (byte)((subchannel[inPos + 6] & 0x8) >> 2); subBuf[outPos + i + 48] += (byte)((subchannel[inPos + 7] & 0x8) >> 3); // U subBuf[outPos + i + 60] += (byte)((subchannel[inPos + 0] & 0x4) << 5); subBuf[outPos + i + 60] += (byte)((subchannel[inPos + 1] & 0x4) << 4); subBuf[outPos + i + 60] += (byte)((subchannel[inPos + 2] & 0x4) << 3); subBuf[outPos + i + 60] += (byte)((subchannel[inPos + 3] & 0x4) << 2); subBuf[outPos + i + 60] += (byte)((subchannel[inPos + 4] & 0x4) << 1); subBuf[outPos + i + 60] += (byte)((subchannel[inPos + 5] & 0x4) >> 0); subBuf[outPos + i + 60] += (byte)((subchannel[inPos + 6] & 0x4) >> 1); subBuf[outPos + i + 60] += (byte)((subchannel[inPos + 7] & 0x4) >> 2); // V subBuf[outPos + i + 72] += (byte)((subchannel[inPos + 0] & 0x2) << 6); subBuf[outPos + i + 72] += (byte)((subchannel[inPos + 1] & 0x2) << 5); subBuf[outPos + i + 72] += (byte)((subchannel[inPos + 2] & 0x2) << 4); subBuf[outPos + i + 72] += (byte)((subchannel[inPos + 3] & 0x2) << 3); subBuf[outPos + i + 72] += (byte)((subchannel[inPos + 4] & 0x2) << 2); subBuf[outPos + i + 72] += (byte)((subchannel[inPos + 5] & 0x2) << 1); subBuf[outPos + i + 72] += (byte)((subchannel[inPos + 6] & 0x2) >> 0); subBuf[outPos + i + 72] += (byte)((subchannel[inPos + 7] & 0x2) >> 1); // W subBuf[outPos + i + 84] += (byte)((subchannel[inPos + 0] & 0x1) << 7); subBuf[outPos + i + 84] += (byte)((subchannel[inPos + 1] & 0x1) << 6); subBuf[outPos + i + 84] += (byte)((subchannel[inPos + 2] & 0x1) << 5); subBuf[outPos + i + 84] += (byte)((subchannel[inPos + 3] & 0x1) << 4); subBuf[outPos + i + 84] += (byte)((subchannel[inPos + 4] & 0x1) << 3); subBuf[outPos + i + 84] += (byte)((subchannel[inPos + 5] & 0x1) << 2); subBuf[outPos + i + 84] += (byte)((subchannel[inPos + 6] & 0x1) << 1); subBuf[outPos + i + 84] += (byte)((subchannel[inPos + 7] & 0x1) >> 0); inPos += 8; } } return subBuf; } public static string PrettifyQ(byte[] subBuf, bool bcd, long lba, bool corruptedPause, bool pause, bool rwEmpty) { CRC16CcittContext.Data(subBuf, 10, out byte[] crc); bool crcOk = crc[0] == subBuf[10] && crc[1] == subBuf[11]; long minute = (lba + 150) / 4500; long second = (lba + 150) % 4500 / 75; long frame = (lba + 150) % 4500 % 75; string area; int control = (subBuf[0] & 0xF0) / 16; int adr = subBuf[0] & 0x0F; string controlInfo = ((control & 0xC) / 4) switch { 0 => (control & 0x01) == 1 ? Localization.Subchannel_PrettifyQ_stereo_audio_with_pre_emphasis : Localization.Subchannel_PrettifyQ_stereo_audio_without_pre_emphasis, 1 => (control & 0x01) == 1 ? Localization.Subchannel_PrettifyQ_incremental_data : Localization.Subchannel_PrettifyQ_uninterrupted_data, 2 => (control & 0x01) == 1 ? Localization.Subchannel_PrettifyQ_quadraphonic_audio_with_pre_emphasis : Localization.Subchannel_PrettifyQ_quadraphonic_audio_without_pre_emphasis, _ => string.Format(Localization.Subchannel_PrettifyQ_reserved_control_value__0_, control & 0x01) }; string copy = (control & 0x02) > 0 ? Localization.Subchannel_PrettifyQ_copy_permitted : Localization.Subchannel_PrettifyQ_copy_prohibited; if(bcd) BcdToBinaryQ(subBuf); int qPos = subBuf[3] * 60 * 75 + subBuf[4] * 75 + subBuf[5] - 150; byte pmin = subBuf[7]; byte psec = subBuf[8]; int qStart = subBuf[7] * 60 * 75 + subBuf[8] * 75 + subBuf[9] - 150; int nextPos = subBuf[3] * 60 * 75 + subBuf[4] * 75 + subBuf[5] - 150; byte zero = subBuf[6]; int maxOut = subBuf[7] * 60 * 75 + subBuf[8] * 75 + subBuf[9] - 150; bool final = subBuf[3] == 0xFF && subBuf[4] == 0xFF && subBuf[5] == 0xFF; BinaryToBcdQ(subBuf); if(lba < 0) { area = Localization.Subchannel_PrettifyQ_Lead_In; switch(adr) { case 1 when subBuf[2] < 0xA0: return string.Format( Localization. Subchannel_PrettifyQ_0_1_2_LBA_3_4_area_5_6_7_Q_mode_8_position_9_10_11_LBA_12_track_13_starts_at_14_15_16_LBA_17_Q_CRC_18_19_20_R_W_21, minute, second, frame, lba, area, corruptedPause ? Localization.Subchannel_PrettifyQ_corrupted_pause : pause ? Localization.Subchannel_PrettifyQ_pause : Localization.Subchannel_PrettifyQ_not_pause, controlInfo, copy, adr, subBuf[3], subBuf[4], subBuf[5], qPos, subBuf[2], subBuf[7], subBuf[8], subBuf[9], qStart, subBuf[10], subBuf[11], crcOk ? Localization.Subchannel_PrettifyQ_OK : Localization.Subchannel_PrettifyQ_BAD, rwEmpty ? Localization.Subchannel_PrettifyQ_empty : Localization.Subchannel_PrettifyQ_not_empty); case 1 when subBuf[2] == 0xA0: { string format = subBuf[8] switch { 0x00 => Localization.Subchannel_PrettifyQ_CD_DA_CD_ROM, 0x10 => Localization.Subchannel_PrettifyQ_CD_i, 0x20 => Localization.Subchannel_PrettifyQ_CD_ROM_XA, _ => string.Format(Localization.Subchannel_PrettifyQ_unknown_0, subBuf[0]) }; return string.Format( Localization. Subchannel_PrettifyQ_0_1_2_LBA_3_4_area_5_6_7_Q_mode_8_position_9_10_11_LBA_12_track_13_is_first_program_area_track_in_14_format_Q_CRC_15_16_17_R_W_18, minute, second, frame, lba, area, corruptedPause ? Localization.Subchannel_PrettifyQ_corrupted_pause : pause ? Localization.Subchannel_PrettifyQ_pause : Localization.Subchannel_PrettifyQ_not_pause, controlInfo, copy, adr, subBuf[3], subBuf[4], subBuf[5], qPos, subBuf[2], format, subBuf[10], subBuf[11], crcOk ? Localization.Subchannel_PrettifyQ_OK : Localization.Subchannel_PrettifyQ_BAD, rwEmpty ? Localization.Subchannel_PrettifyQ_empty : Localization.Subchannel_PrettifyQ_not_empty); } case 1 when subBuf[2] == 0xA1: return string.Format( Localization. Subchannel_PrettifyQ_0_1_2_LBA_3_4_area_5_6_7_Q_mode_8_position_9_10_11_LBA_12_track_13_is_last_program_area_track_Q_CRC_14_15_16_R_W_17, minute, second, frame, lba, area, corruptedPause ? Localization.Subchannel_PrettifyQ_corrupted_pause : pause ? Localization.Subchannel_PrettifyQ_pause : Localization.Subchannel_PrettifyQ_not_pause, controlInfo, copy, adr, subBuf[3], subBuf[4], subBuf[5], qPos, subBuf[2], subBuf[10], subBuf[11], crcOk ? Localization.Subchannel_PrettifyQ_OK : Localization.Subchannel_PrettifyQ_BAD, rwEmpty ? Localization.Subchannel_PrettifyQ_empty : Localization.Subchannel_PrettifyQ_not_empty); case 1: return subBuf[2] == 0xA2 ? string.Format( Localization. Subchannel_PrettifyQ_0_1_2_LBA_3_4_area_5_6_7_Q_mode_8_position_9_10_11_LBA_12_track_13_starts_at_14_15_16_LBA_17_Q_CRC_18_19_20_R_W_21, minute, second, frame, lba, area, corruptedPause ? Localization.Subchannel_PrettifyQ_corrupted_pause : pause ? Localization.Subchannel_PrettifyQ_pause : Localization.Subchannel_PrettifyQ_not_pause, controlInfo, copy, adr, subBuf[3], subBuf[4], subBuf[5], qPos, subBuf[2], subBuf[7], subBuf[8], subBuf[9], qStart, subBuf[10], subBuf[11], crcOk ? Localization.Subchannel_PrettifyQ_OK : Localization.Subchannel_PrettifyQ_BAD, rwEmpty ? Localization.Subchannel_PrettifyQ_empty : Localization.Subchannel_PrettifyQ_not_empty) : string.Format( Localization. Subchannel_PrettifyQ_0_1_2_LBA_3_4_area_5_6_7_Q_8_9_10_11_12_13_14_15_16_17_CRC_18_19_20_R_W_21, minute, second, frame, lba, area, corruptedPause ? Localization.Subchannel_PrettifyQ_corrupted_pause : pause ? Localization.Subchannel_PrettifyQ_pause : Localization.Subchannel_PrettifyQ_not_pause, controlInfo, copy, subBuf[0], subBuf[1], subBuf[2], subBuf[3], subBuf[4], subBuf[5], subBuf[6], subBuf[7], subBuf[8], subBuf[9], subBuf[10], subBuf[11], crcOk ? Localization.Subchannel_PrettifyQ_OK : Localization.Subchannel_PrettifyQ_BAD, rwEmpty ? Localization.Subchannel_PrettifyQ_empty : Localization.Subchannel_PrettifyQ_not_empty); case 2: return string.Format(Localization.Subchannel_PrettifyQ_0_1_2_LBA_3_4_area_5_6_7_Q_mode_8_MCN_9_frame_10_CRC_11_12_13_R_W_14, minute, second, frame, lba, area, corruptedPause ? Localization.Subchannel_PrettifyQ_corrupted_pause : pause ? Localization.Subchannel_PrettifyQ_pause : Localization.Subchannel_PrettifyQ_not_pause, controlInfo, copy, adr, DecodeMcn(subBuf), subBuf[9], subBuf[10], subBuf[11], crcOk ? Localization.Subchannel_PrettifyQ_OK : Localization.Subchannel_PrettifyQ_BAD, rwEmpty ? Localization.Subchannel_PrettifyQ_empty : Localization.Subchannel_PrettifyQ_not_empty); } if(adr != 5) { return string.Format( Localization. Subchannel_PrettifyQ_0_1_2_LBA_3_4_area_5_6_7_Q_8_9_10_11_12_13_14_15_16_17_CRC_18_19_20_R_W_21, minute, second, frame, lba, area, corruptedPause ? Localization.Subchannel_PrettifyQ_corrupted_pause : pause ? Localization.Subchannel_PrettifyQ_pause : Localization.Subchannel_PrettifyQ_not_pause, controlInfo, copy, subBuf[0], subBuf[1], subBuf[2], subBuf[3], subBuf[4], subBuf[5], subBuf[6], subBuf[7], subBuf[8], subBuf[9], subBuf[10], subBuf[11], crcOk ? Localization.Subchannel_PrettifyQ_OK : Localization.Subchannel_PrettifyQ_BAD, rwEmpty ? Localization.Subchannel_PrettifyQ_empty : Localization.Subchannel_PrettifyQ_not_empty); } switch(subBuf[2]) { case <= 0x40: return string.Format( Localization. Subchannel_PrettifyQ_0_1_2_LBA_3_4_area_5_6_7_Q_mode_8_skip_interval_start_time_9_10_11_skip_interval_stop_time_12_13_14_CRC_15_16_17_R_W_18, minute, second, frame, lba, area, corruptedPause ? Localization.Subchannel_PrettifyQ_corrupted_pause : pause ? Localization.Subchannel_PrettifyQ_pause : Localization.Subchannel_PrettifyQ_not_pause, controlInfo, copy, adr, subBuf[7], subBuf[8], subBuf[9], subBuf[3], subBuf[4], subBuf[5], subBuf[10], subBuf[11], crcOk ? Localization.Subchannel_PrettifyQ_OK : Localization.Subchannel_PrettifyQ_BAD, rwEmpty ? Localization.Subchannel_PrettifyQ_empty : Localization.Subchannel_PrettifyQ_not_empty); case 0xB0: return final ? string.Format( Localization. Subchannel_PrettifyQ_0_1_2_LBA_3_4_area_5_6_7_Q_mode_8_next_program_area_can_start_at_9_10_11_LBA_12_last_session_13_mode_5_pointers_CRC_14_15_16_R_W_17, minute, second, frame, lba, area, corruptedPause ? Localization.Subchannel_PrettifyQ_corrupted_pause : pause ? Localization.Subchannel_PrettifyQ_pause : Localization.Subchannel_PrettifyQ_not_pause, controlInfo, copy, adr, subBuf[3], subBuf[4], subBuf[5], nextPos, zero, subBuf[10], subBuf[11], crcOk ? Localization.Subchannel_PrettifyQ_OK : Localization.Subchannel_PrettifyQ_BAD, rwEmpty ? Localization.Subchannel_PrettifyQ_empty : Localization.Subchannel_PrettifyQ_not_empty) : string.Format( Localization. Subchannel_PrettifyQ_0_1_2_LBA_3_4_area_5_6_7_Q_mode_8_next_program_area_can_start_at_9_10_11_LBA_12_maximum_Lead_out_at_13_14_15_LBA_16_17_mode_5_pointers_CRC_18_19_20_R_W_21, minute, second, frame, lba, area, corruptedPause ? Localization.Subchannel_PrettifyQ_corrupted_pause : pause ? Localization.Subchannel_PrettifyQ_pause : Localization.Subchannel_PrettifyQ_not_pause, controlInfo, copy, adr, subBuf[3], subBuf[4], subBuf[5], nextPos, subBuf[7], subBuf[8], subBuf[9], maxOut, zero, subBuf[10], subBuf[11], crcOk ? Localization.Subchannel_PrettifyQ_OK : Localization.Subchannel_PrettifyQ_BAD, rwEmpty ? Localization.Subchannel_PrettifyQ_empty : Localization.Subchannel_PrettifyQ_not_empty); case 0xB1: return string.Format( Localization. Subchannel_PrettifyQ_0_1_2_LBA_3_4_area_5_6_7_Q_mode_8_9_skip_interval_pointers_10_skip_track_assignments_CRC_11_12_13_R_W_14, minute, second, frame, lba, area, corruptedPause ? Localization.Subchannel_PrettifyQ_corrupted_pause : pause ? Localization.Subchannel_PrettifyQ_pause : Localization.Subchannel_PrettifyQ_not_pause, controlInfo, copy, adr, pmin, psec, subBuf[10], subBuf[11], crcOk ? Localization.Subchannel_PrettifyQ_OK : Localization.Subchannel_PrettifyQ_BAD, rwEmpty ? Localization.Subchannel_PrettifyQ_empty : Localization.Subchannel_PrettifyQ_not_empty); } if(subBuf[2] != 0xB2 && subBuf[2] != 0xB3 && subBuf[2] != 0xB4) { return subBuf[2] == 0xC0 ? string.Format( Localization. Subchannel_PrettifyQ_0_1_2_LBA_3_4_area_5_6_7_Q_mode_8_ATIP_values_9_10_11_first_disc_Lead_in_starts_at_12_13_14_LBA_15_CRC_16_17_18_R_W_19, minute, second, frame, lba, area, corruptedPause ? Localization.Subchannel_PrettifyQ_corrupted_pause : pause ? Localization.Subchannel_PrettifyQ_pause : Localization.Subchannel_PrettifyQ_not_pause, controlInfo, copy, adr, subBuf[3], subBuf[4], subBuf[5], subBuf[7], subBuf[8], subBuf[9], qStart, subBuf[10], subBuf[11], crcOk ? Localization.Subchannel_PrettifyQ_OK : Localization.Subchannel_PrettifyQ_BAD, rwEmpty ? Localization.Subchannel_PrettifyQ_empty : Localization.Subchannel_PrettifyQ_not_empty) : string.Format( Localization. Subchannel_PrettifyQ_0_1_2_LBA_3_4_area_5_6_7_Q_8_9_10_11_12_13_14_15_16_17_CRC_18_19_20_R_W_21, minute, second, frame, lba, area, corruptedPause ? Localization.Subchannel_PrettifyQ_corrupted_pause : pause ? Localization.Subchannel_PrettifyQ_pause : Localization.Subchannel_PrettifyQ_not_pause, controlInfo, copy, subBuf[0], subBuf[1], subBuf[2], subBuf[3], subBuf[4], subBuf[5], subBuf[6], subBuf[7], subBuf[8], subBuf[9], subBuf[10], subBuf[11], crcOk ? Localization.Subchannel_PrettifyQ_OK : Localization.Subchannel_PrettifyQ_BAD, rwEmpty ? Localization.Subchannel_PrettifyQ_empty : Localization.Subchannel_PrettifyQ_not_empty); } var skipTracks = $"{subBuf[3]:X2}"; if(subBuf[4] > 0) skipTracks += $", {subBuf[4]:X2}"; if(subBuf[5] > 0) skipTracks += $", {subBuf[4]:X2}"; if(subBuf[7] > 0) skipTracks += $", {subBuf[4]:X2}"; if(subBuf[8] > 0) skipTracks += $", {subBuf[4]:X2}"; if(subBuf[9] > 0) skipTracks += $", {subBuf[4]:X2}"; return string.Format(Localization.Subchannel_PrettifyQ_0_1_2_LBA_3_4_area_5_6_7_Q_mode_8_tracks_9_to_be_skipped_CRC_10_11_12_R_W_13, minute, second, frame, lba, area, corruptedPause ? Localization.Subchannel_PrettifyQ_corrupted_pause : pause ? Localization.Subchannel_PrettifyQ_pause : Localization.Subchannel_PrettifyQ_not_pause, controlInfo, copy, adr, skipTracks, subBuf[10], subBuf[11], crcOk ? Localization.Subchannel_PrettifyQ_OK : Localization.Subchannel_PrettifyQ_BAD, rwEmpty ? Localization.Subchannel_PrettifyQ_empty : Localization.Subchannel_PrettifyQ_not_empty); } area = subBuf[1] == 0xAA ? Localization.Subchannel_PrettifyQ_Lead_out : Localization.Subchannel_PrettifyQ_Program; return adr switch { 1 => string.Format( Localization. Subchannel_PrettifyQ_0_D2_1_2_LBA_3_4_area_5_6_7_Q_mode_8_position_track_9_index_10_relative_position_11_12_13_LBA_14_absolute_position_15_16_17_LBA_18_Q_CRC_19_20_21_R_W_22, minute, second, frame, lba, area, corruptedPause ? Localization.Subchannel_PrettifyQ_corrupted_pause : pause ? Localization.Subchannel_PrettifyQ_pause : Localization.Subchannel_PrettifyQ_not_pause, controlInfo, copy, adr, subBuf[1], subBuf[2], subBuf[3], subBuf[4], subBuf[5], qPos + 150, subBuf[7], subBuf[8], subBuf[9], qStart, subBuf[10], subBuf[11], crcOk ? Localization.Subchannel_PrettifyQ_OK : Localization.Subchannel_PrettifyQ_BAD, rwEmpty ? Localization.Subchannel_PrettifyQ_empty : Localization.Subchannel_PrettifyQ_not_empty), 2 => string.Format(Localization.Subchannel_PrettifyQ_0_1_2_LBA_3_4_area_5_6_7_Q_mode_8_MCN_9_frame_10_CRC_11_12_13_R_W_14, minute, second, frame, lba, area, corruptedPause ? Localization.Subchannel_PrettifyQ_corrupted_pause : pause ? Localization.Subchannel_PrettifyQ_pause : Localization.Subchannel_PrettifyQ_not_pause, controlInfo, copy, adr, DecodeMcn(subBuf), subBuf[9], subBuf[10], subBuf[11], crcOk ? Localization.Subchannel_PrettifyQ_OK : Localization.Subchannel_PrettifyQ_BAD, rwEmpty ? Localization.Subchannel_PrettifyQ_empty : Localization.Subchannel_PrettifyQ_not_empty), 3 => string.Format(Localization.Subchannel_PrettifyQ_0_1_2_LBA_3_4_area_5_6_7_Q_mode_8_ISRC_9_frame_10_CRC_11_12_13_R_W_14, minute, second, frame, lba, area, corruptedPause ? Localization.Subchannel_PrettifyQ_corrupted_pause : pause ? Localization.Subchannel_PrettifyQ_pause : Localization.Subchannel_PrettifyQ_not_pause, controlInfo, copy, adr, DecodeIsrc(subBuf), subBuf[9], subBuf[10], subBuf[11], crcOk ? Localization.Subchannel_PrettifyQ_OK : Localization.Subchannel_PrettifyQ_BAD, rwEmpty ? Localization.Subchannel_PrettifyQ_empty : Localization.Subchannel_PrettifyQ_not_empty), _ => string.Format( Localization. Subchannel_PrettifyQ_0_1_2_LBA_3_4_area_5_6_7_Q_8_9_10_11_12_13_14_15_16_17_CRC_18_19_20_R_W_21, minute, second, frame, lba, area, corruptedPause ? Localization.Subchannel_PrettifyQ_corrupted_pause : pause ? Localization.Subchannel_PrettifyQ_pause : Localization.Subchannel_PrettifyQ_not_pause, controlInfo, copy, subBuf[0], subBuf[1], subBuf[2], subBuf[3], subBuf[4], subBuf[5], subBuf[6], subBuf[7], subBuf[8], subBuf[9], subBuf[10], subBuf[11], crcOk ? Localization.Subchannel_PrettifyQ_OK : Localization.Subchannel_PrettifyQ_BAD, rwEmpty ? Localization.Subchannel_PrettifyQ_empty : Localization.Subchannel_PrettifyQ_not_empty) }; } public static string DecodeIsrc(byte[] q) => $"{_isrcTable[q[1] / 4]}{_isrcTable[(q[1] & 3) * 16 + q[2] / 16]}{_isrcTable[(q[2] & 0xF) * 4 + q[3] / 64]}{_isrcTable[q[3] & 0x3F]}{_isrcTable[q[4] / 4]}{q[5]:X2}{q[6]:X2}{q[7]:X2}{q[8] / 16:X1}"; public static string DecodeMcn(byte[] q) => $"{q[1]:X2}{q[2]:X2}{q[3]:X2}{q[4]:X2}{q[5]:X2}{q[6]:X2}{q[7] >> 4:X}"; public static byte GetIsrcCode(char c) => c switch { '0' => 0x00, '1' => 0x01, '2' => 0x02, '3' => 0x03, '4' => 0x04, '5' => 0x05, '6' => 0x06, '7' => 0x07, '8' => 0x08, '9' => 0x09, 'A' => 0x11, 'B' => 0x12, 'C' => 0x13, 'D' => 0x14, 'E' => 0x15, 'F' => 0x16, 'G' => 0x17, 'H' => 0x18, 'I' => 0x19, 'J' => 0x1A, 'K' => 0x1B, 'L' => 0x1C, 'M' => 0x1D, 'N' => 0x1E, 'O' => 0x1F, 'P' => 0x20, 'Q' => 0x21, 'R' => 0x22, 'S' => 0x23, 'T' => 0x24, 'U' => 0x25, 'V' => 0x26, 'W' => 0x27, 'X' => 0x28, 'Y' => 0x29, 'Z' => 0x2A, _ => 0x00 }; public static byte[] Generate(int sector, uint trackSequence, int pregap, int trackStart, byte flags, byte index) { bool isPregap = sector < 0 || sector <= trackStart + pregap; if(index == 0) index = (byte)(isPregap ? 0 : 1); var sub = new byte[96]; // P if(isPregap) { sub[0] = 0xFF; sub[1] = 0xFF; sub[2] = 0xFF; sub[3] = 0xFF; sub[4] = 0xFF; sub[5] = 0xFF; sub[6] = 0xFF; sub[7] = 0xFF; sub[8] = 0xFF; sub[9] = 0xFF; sub[10] = 0xFF; sub[11] = 0xFF; } // Q var q = new byte[12]; q[0] = (byte)((flags << 4) + 1); q[1] = (byte)trackSequence; q[2] = index; int relative; if(isPregap) relative = pregap + trackStart - sector; else relative = sector - trackStart; sector += 150; int min = relative / 60 / 75; int sec = relative / 75 - min * 60; int frame = relative - min * 60 * 75 - sec * 75; int amin = sector / 60 / 75; int asec = sector / 75 - amin * 60; int aframe = sector - amin * 60 * 75 - asec * 75; q[3] = (byte)min; q[4] = (byte)sec; q[5] = (byte)frame; q[7] = (byte)amin; q[8] = (byte)asec; q[9] = (byte)aframe; q[1] = (byte)((q[1] / 10 << 4) + q[1] % 10); q[2] = (byte)((q[2] / 10 << 4) + q[2] % 10); q[3] = (byte)((q[3] / 10 << 4) + q[3] % 10); q[4] = (byte)((q[4] / 10 << 4) + q[4] % 10); q[5] = (byte)((q[5] / 10 << 4) + q[5] % 10); q[6] = (byte)((q[6] / 10 << 4) + q[6] % 10); q[7] = (byte)((q[7] / 10 << 4) + q[7] % 10); q[8] = (byte)((q[8] / 10 << 4) + q[8] % 10); q[9] = (byte)((q[9] / 10 << 4) + q[9] % 10); CRC16CcittContext.Data(q, 10, out byte[] qCrc); q[10] = qCrc[0]; q[11] = qCrc[1]; Array.Copy(q, 0, sub, 12, 12); return Interleave(sub); } }