2020-07-19 22:01:25 +01:00
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// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : Subchannel.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Device structures decoders.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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2022-02-18 10:02:39 +00:00
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// Copyright © 2011-2022 Natalia Portillo
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2020-07-19 22:01:25 +01:00
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// ****************************************************************************/
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2020-07-13 22:32:40 +01:00
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using System;
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2020-05-05 14:06:49 +01:00
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using Aaru.Checksums;
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2022-11-15 15:58:41 +00:00
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namespace Aaru.Decoders.CD;
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2022-03-06 13:29:37 +00:00
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public static class Subchannel
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2020-05-05 14:06:49 +01:00
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{
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2022-03-06 13:29:37 +00:00
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static readonly string[] _isrcTable =
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2020-05-05 14:06:49 +01:00
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{
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2022-03-06 13:29:37 +00:00
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// 0x00
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"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "", "", "", "", "", "",
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2020-05-05 14:06:49 +01:00
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2022-03-06 13:29:37 +00:00
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// 0x10
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"", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O",
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2020-05-05 14:06:49 +01:00
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2022-03-06 13:29:37 +00:00
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// 0x20
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"P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "", "", "", "", "",
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2020-05-05 14:06:49 +01:00
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2022-03-06 13:29:37 +00:00
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// 0x30
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"", "", "", "", "", "", "", "", "", "", "", "", "", "", "", ""
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};
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2020-05-05 14:06:49 +01:00
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2022-03-06 13:29:37 +00:00
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public static void BinaryToBcdQ(byte[] q)
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{
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if((q[0] & 0xF) == 1 ||
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(q[0] & 0xF) == 5)
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2020-05-05 14:06:49 +01:00
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{
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2022-11-15 15:58:41 +00:00
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q[1] = (byte)(((q[1] / 10) << 4) + (q[1] % 10));
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q[2] = (byte)(((q[2] / 10) << 4) + (q[2] % 10));
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q[3] = (byte)(((q[3] / 10) << 4) + (q[3] % 10));
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q[4] = (byte)(((q[4] / 10) << 4) + (q[4] % 10));
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q[5] = (byte)(((q[5] / 10) << 4) + (q[5] % 10));
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q[6] = (byte)(((q[6] / 10) << 4) + (q[6] % 10));
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q[7] = (byte)(((q[7] / 10) << 4) + (q[7] % 10));
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q[8] = (byte)(((q[8] / 10) << 4) + (q[8] % 10));
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2022-03-06 13:29:37 +00:00
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}
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2020-05-05 18:55:29 +01:00
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2022-11-15 15:58:41 +00:00
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q[9] = (byte)(((q[9] / 10) << 4) + (q[9] % 10));
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2022-03-06 13:29:37 +00:00
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}
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public static void BcdToBinaryQ(byte[] q)
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{
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if((q[0] & 0xF) == 1 ||
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(q[0] & 0xF) == 5)
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{
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2022-11-15 15:58:41 +00:00
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q[1] = (byte)((q[1] / 16 * 10) + (q[1] & 0x0F));
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q[2] = (byte)((q[2] / 16 * 10) + (q[2] & 0x0F));
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q[3] = (byte)((q[3] / 16 * 10) + (q[3] & 0x0F));
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q[4] = (byte)((q[4] / 16 * 10) + (q[4] & 0x0F));
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q[5] = (byte)((q[5] / 16 * 10) + (q[5] & 0x0F));
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q[6] = (byte)((q[6] / 16 * 10) + (q[6] & 0x0F));
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q[7] = (byte)((q[7] / 16 * 10) + (q[7] & 0x0F));
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q[8] = (byte)((q[8] / 16 * 10) + (q[8] & 0x0F));
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2020-05-05 14:06:49 +01:00
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}
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2022-11-15 15:58:41 +00:00
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q[9] = (byte)((q[9] / 16 * 10) + (q[9] & 0x0F));
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2022-03-06 13:29:37 +00:00
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}
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public static byte[] ConvertQToRaw(byte[] subchannel)
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{
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int pos = 0;
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byte[] subBuf = new byte[subchannel.Length * 6];
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2022-11-15 15:58:41 +00:00
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for(int i = 0; i < subchannel.Length; i += 16)
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2020-05-05 14:06:49 +01:00
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{
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2022-03-06 13:29:37 +00:00
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// P
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if((subchannel[i + 15] & 0x80) <= 0)
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pos += 12;
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else
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{
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subBuf[pos++] = 0xFF;
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subBuf[pos++] = 0xFF;
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subBuf[pos++] = 0xFF;
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subBuf[pos++] = 0xFF;
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subBuf[pos++] = 0xFF;
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subBuf[pos++] = 0xFF;
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subBuf[pos++] = 0xFF;
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subBuf[pos++] = 0xFF;
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subBuf[pos++] = 0xFF;
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subBuf[pos++] = 0xFF;
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subBuf[pos++] = 0xFF;
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subBuf[pos++] = 0xFF;
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2020-05-05 18:55:29 +01:00
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}
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2022-03-06 13:29:37 +00:00
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// Q
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subBuf[pos++] = subchannel[i + 0];
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subBuf[pos++] = subchannel[i + 1];
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subBuf[pos++] = subchannel[i + 2];
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subBuf[pos++] = subchannel[i + 3];
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subBuf[pos++] = subchannel[i + 4];
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subBuf[pos++] = subchannel[i + 5];
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subBuf[pos++] = subchannel[i + 6];
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subBuf[pos++] = subchannel[i + 7];
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subBuf[pos++] = subchannel[i + 8];
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subBuf[pos++] = subchannel[i + 9];
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subBuf[pos++] = subchannel[i + 10];
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subBuf[pos++] = subchannel[i + 11];
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// R to W
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pos += 72;
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2020-05-05 14:06:49 +01:00
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}
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2022-03-06 13:29:37 +00:00
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return Interleave(subBuf);
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}
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public static byte[] Interleave(byte[] subchannel)
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{
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2022-11-15 15:58:41 +00:00
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byte[] subBuf = new byte[subchannel.Length];
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2022-03-06 13:29:37 +00:00
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2022-11-15 15:58:41 +00:00
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int outPos = 0;
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2020-05-05 14:06:49 +01:00
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2022-11-15 15:58:41 +00:00
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for(int inPos = 0; inPos < subchannel.Length; inPos += 96)
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2022-03-06 13:29:37 +00:00
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{
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2022-11-15 15:58:41 +00:00
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for(int i = 0; i < 12; i++)
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2020-05-05 14:06:49 +01:00
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{
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// P
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subBuf[outPos + 0] += (byte)(subchannel[inPos + i + 0] & 0x80);
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subBuf[outPos + 1] += (byte)((subchannel[inPos + i + 0] & 0x40) << 1);
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subBuf[outPos + 2] += (byte)((subchannel[inPos + i + 0] & 0x20) << 2);
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subBuf[outPos + 3] += (byte)((subchannel[inPos + i + 0] & 0x10) << 3);
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subBuf[outPos + 4] += (byte)((subchannel[inPos + i + 0] & 0x08) << 4);
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subBuf[outPos + 5] += (byte)((subchannel[inPos + i + 0] & 0x04) << 5);
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subBuf[outPos + 6] += (byte)((subchannel[inPos + i + 0] & 0x02) << 6);
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subBuf[outPos + 7] += (byte)((subchannel[inPos + i + 0] & 0x01) << 7);
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2020-05-05 14:06:49 +01:00
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// Q
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2022-03-06 13:29:37 +00:00
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subBuf[outPos + 0] += (byte)((subchannel[inPos + i + 12] & 0x80) >> 1);
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subBuf[outPos + 1] += (byte)(subchannel[inPos + i + 12] & 0x40);
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subBuf[outPos + 2] += (byte)((subchannel[inPos + i + 12] & 0x20) << 1);
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subBuf[outPos + 3] += (byte)((subchannel[inPos + i + 12] & 0x10) << 2);
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subBuf[outPos + 4] += (byte)((subchannel[inPos + i + 12] & 0x08) << 3);
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subBuf[outPos + 5] += (byte)((subchannel[inPos + i + 12] & 0x04) << 4);
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subBuf[outPos + 6] += (byte)((subchannel[inPos + i + 12] & 0x02) << 5);
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subBuf[outPos + 7] += (byte)((subchannel[inPos + i + 12] & 0x01) << 6);
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// R
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subBuf[outPos + 0] += (byte)((subchannel[inPos + i + 24] & 0x80) >> 2);
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subBuf[outPos + 1] += (byte)((subchannel[inPos + i + 24] & 0x40) >> 1);
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subBuf[outPos + 2] += (byte)(subchannel[inPos + i + 24] & 0x20);
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subBuf[outPos + 3] += (byte)((subchannel[inPos + i + 24] & 0x10) << 1);
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subBuf[outPos + 4] += (byte)((subchannel[inPos + i + 24] & 0x08) << 2);
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subBuf[outPos + 5] += (byte)((subchannel[inPos + i + 24] & 0x04) << 3);
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subBuf[outPos + 6] += (byte)((subchannel[inPos + i + 24] & 0x02) << 4);
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subBuf[outPos + 7] += (byte)((subchannel[inPos + i + 24] & 0x01) << 5);
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// S
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subBuf[outPos + 0] += (byte)((subchannel[inPos + i + 36] & 0x80) >> 3);
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subBuf[outPos + 1] += (byte)((subchannel[inPos + i + 36] & 0x40) >> 2);
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subBuf[outPos + 2] += (byte)((subchannel[inPos + i + 36] & 0x20) >> 1);
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subBuf[outPos + 3] += (byte)(subchannel[inPos + i + 36] & 0x10);
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subBuf[outPos + 4] += (byte)((subchannel[inPos + i + 36] & 0x08) << 1);
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subBuf[outPos + 5] += (byte)((subchannel[inPos + i + 36] & 0x04) << 2);
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subBuf[outPos + 6] += (byte)((subchannel[inPos + i + 36] & 0x02) << 3);
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subBuf[outPos + 7] += (byte)((subchannel[inPos + i + 36] & 0x01) << 4);
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// T
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subBuf[outPos + 0] += (byte)((subchannel[inPos + i + 48] & 0x80) >> 4);
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subBuf[outPos + 1] += (byte)((subchannel[inPos + i + 48] & 0x40) >> 3);
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subBuf[outPos + 2] += (byte)((subchannel[inPos + i + 48] & 0x20) >> 2);
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subBuf[outPos + 3] += (byte)((subchannel[inPos + i + 48] & 0x10) >> 1);
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subBuf[outPos + 4] += (byte)(subchannel[inPos + i + 48] & 0x08);
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subBuf[outPos + 5] += (byte)((subchannel[inPos + i + 48] & 0x04) << 1);
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subBuf[outPos + 6] += (byte)((subchannel[inPos + i + 48] & 0x02) << 2);
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subBuf[outPos + 7] += (byte)((subchannel[inPos + i + 48] & 0x01) << 3);
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// U
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subBuf[outPos + 0] += (byte)((subchannel[inPos + i + 60] & 0x80) >> 5);
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subBuf[outPos + 1] += (byte)((subchannel[inPos + i + 60] & 0x40) >> 4);
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subBuf[outPos + 2] += (byte)((subchannel[inPos + i + 60] & 0x20) >> 3);
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subBuf[outPos + 3] += (byte)((subchannel[inPos + i + 60] & 0x10) >> 2);
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subBuf[outPos + 4] += (byte)((subchannel[inPos + i + 60] & 0x08) >> 1);
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subBuf[outPos + 5] += (byte)(subchannel[inPos + i + 60] & 0x04);
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subBuf[outPos + 6] += (byte)((subchannel[inPos + i + 60] & 0x02) << 1);
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subBuf[outPos + 7] += (byte)((subchannel[inPos + i + 60] & 0x01) << 2);
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// V
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subBuf[outPos + 0] += (byte)((subchannel[inPos + i + 72] & 0x80) >> 6);
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subBuf[outPos + 1] += (byte)((subchannel[inPos + i + 72] & 0x40) >> 5);
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subBuf[outPos + 2] += (byte)((subchannel[inPos + i + 72] & 0x20) >> 4);
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subBuf[outPos + 3] += (byte)((subchannel[inPos + i + 72] & 0x10) >> 3);
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subBuf[outPos + 4] += (byte)((subchannel[inPos + i + 72] & 0x08) >> 2);
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subBuf[outPos + 5] += (byte)((subchannel[inPos + i + 72] & 0x04) >> 1);
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subBuf[outPos + 6] += (byte)(subchannel[inPos + i + 72] & 0x02);
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subBuf[outPos + 7] += (byte)((subchannel[inPos + i + 72] & 0x01) << 1);
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// W
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subBuf[outPos + 0] += (byte)((subchannel[inPos + i + 84] & 0x80) >> 7);
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subBuf[outPos + 1] += (byte)((subchannel[inPos + i + 84] & 0x40) >> 6);
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subBuf[outPos + 2] += (byte)((subchannel[inPos + i + 84] & 0x20) >> 5);
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subBuf[outPos + 3] += (byte)((subchannel[inPos + i + 84] & 0x10) >> 4);
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subBuf[outPos + 4] += (byte)((subchannel[inPos + i + 84] & 0x08) >> 3);
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subBuf[outPos + 5] += (byte)((subchannel[inPos + i + 84] & 0x04) >> 2);
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subBuf[outPos + 6] += (byte)((subchannel[inPos + i + 84] & 0x02) >> 1);
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subBuf[outPos + 7] += (byte)(subchannel[inPos + i + 84] & 0x01);
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outPos += 8;
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2020-05-05 14:06:49 +01:00
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}
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}
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2022-03-06 13:29:37 +00:00
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return subBuf;
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}
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2020-05-05 14:06:49 +01:00
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2022-03-06 13:29:37 +00:00
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public static byte[] Deinterleave(byte[] subchannel)
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{
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2022-11-15 15:58:41 +00:00
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byte[] subBuf = new byte[subchannel.Length];
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int inPos = 0;
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2020-05-05 14:06:49 +01:00
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2022-11-15 15:58:41 +00:00
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for(int outPos = 0; outPos < subchannel.Length; outPos += 96)
|
2022-03-06 13:29:37 +00:00
|
|
|
{
|
2022-11-15 15:58:41 +00:00
|
|
|
for(int i = 0; i < 12; i++)
|
2020-05-05 14:06:49 +01:00
|
|
|
{
|
2022-03-06 13:29:37 +00:00
|
|
|
// 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);
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
// 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;
|
|
|
|
|
}
|
2020-05-05 14:06:49 +01:00
|
|
|
}
|
|
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
return subBuf;
|
|
|
|
|
}
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
public static string PrettifyQ(byte[] subBuf, bool bcd, long lba, bool corruptedPause, bool pause, bool rwEmpty)
|
|
|
|
|
{
|
|
|
|
|
CRC16CCITTContext.Data(subBuf, 10, out byte[] crc);
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
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;
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
string controlInfo = ((control & 0xC) / 4) switch
|
2022-11-15 15:58:41 +00:00
|
|
|
{
|
|
|
|
|
0 => $"stereo audio {((control & 0x01) == 1 ? "with" : "without")} pre-emphasis",
|
|
|
|
|
1 => $"{((control & 0x01) == 1 ? "incremental" : "uninterrupted")} data",
|
|
|
|
|
2 => $"quadraphonic audio {((control & 0x01) == 1 ? "with" : "without")} pre-emphasis",
|
|
|
|
|
_ => $"reserved control value {control & 0x01}"
|
|
|
|
|
};
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
string copy = (control & 0x02) > 0 ? "copy permitted" : "copy prohibited";
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
if(bcd)
|
|
|
|
|
BcdToBinaryQ(subBuf);
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-11-15 15:58:41 +00:00
|
|
|
int qPos = (subBuf[3] * 60 * 75) + (subBuf[4] * 75) + subBuf[5] - 150;
|
2022-03-06 13:29:37 +00:00
|
|
|
byte pmin = subBuf[7];
|
|
|
|
|
byte psec = subBuf[8];
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-11-15 15:58:41 +00:00
|
|
|
int qStart = (subBuf[7] * 60 * 75) + (subBuf[8] * 75) + subBuf[9] - 150;
|
|
|
|
|
int nextPos = (subBuf[3] * 60 * 75) + (subBuf[4] * 75) + subBuf[5] - 150;
|
2022-03-06 13:29:37 +00:00
|
|
|
byte zero = subBuf[6];
|
2022-11-15 15:58:41 +00:00
|
|
|
int maxOut = (subBuf[7] * 60 * 75) + (subBuf[8] * 75) + subBuf[9] - 150;
|
2022-03-06 13:29:37 +00:00
|
|
|
bool final = subBuf[3] == 0xFF && subBuf[4] == 0xFF && subBuf[5] == 0xFF;
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
BinaryToBcdQ(subBuf);
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
if(lba < 0)
|
|
|
|
|
{
|
|
|
|
|
area = "Lead-In";
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
switch(adr)
|
2020-05-05 14:06:49 +01:00
|
|
|
{
|
2022-03-06 13:29:37 +00:00
|
|
|
case 1 when subBuf[2] < 0xA0:
|
2022-11-13 19:38:02 +00:00
|
|
|
return $"{minute:D2}:{second:D2}:{frame:D2} - LBA {lba,6}: {area} area, {(corruptedPause
|
|
|
|
|
? "corrupted pause"
|
|
|
|
|
: pause
|
|
|
|
|
? "pause"
|
|
|
|
|
: "not pause")}, {controlInfo}, {copy}, Q mode {adr} position: {subBuf[3]
|
|
|
|
|
:X2}:{subBuf[4]:X2}:{subBuf[5]:X2} (LBA {qPos}), track {subBuf[2]
|
|
|
|
|
:X} starts at {subBuf[7]:X2}:{subBuf[8]:X2}:{subBuf[9]:X2} (LBA {qStart
|
|
|
|
|
}), Q CRC 0x{subBuf[10]:X2}{subBuf[11]:X2} ({(crcOk ? "OK" : "BAD")}), R-W {
|
|
|
|
|
(rwEmpty ? "empty" : "not empty")}";
|
2022-03-06 13:29:37 +00:00
|
|
|
case 1 when subBuf[2] == 0xA0:
|
2020-05-05 14:06:49 +01:00
|
|
|
{
|
2022-03-06 13:29:37 +00:00
|
|
|
string format = subBuf[8] switch
|
2022-11-15 15:58:41 +00:00
|
|
|
{
|
|
|
|
|
0x00 => "CD-DA / CD-ROM",
|
|
|
|
|
0x10 => "CD-i",
|
|
|
|
|
0x20 => "CD-ROM XA",
|
|
|
|
|
_ => $"unknown {subBuf[0]:X2}"
|
|
|
|
|
};
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-11-13 19:38:02 +00:00
|
|
|
return $"{minute:D2}:{second:D2}:{frame:D2} - LBA {lba,6}: {area} area, {(corruptedPause
|
|
|
|
|
? "corrupted pause"
|
|
|
|
|
: pause
|
|
|
|
|
? "pause"
|
|
|
|
|
: "not pause")}, {controlInfo}, {copy}, Q mode {adr} position: {subBuf[3]
|
|
|
|
|
:X2}:{subBuf[4]:X2}:{subBuf[5]:X2} (LBA {qPos}), track {subBuf[2]
|
|
|
|
|
:X} is first program area track in {format} format, Q CRC 0x{subBuf[10]:X2}{
|
|
|
|
|
subBuf[11]:X2} ({(crcOk ? "OK" : "BAD")}), R-W {
|
|
|
|
|
(rwEmpty ? "empty" : "not empty")}";
|
2020-05-05 14:06:49 +01:00
|
|
|
}
|
2022-03-06 13:29:37 +00:00
|
|
|
case 1 when subBuf[2] == 0xA1:
|
2022-11-13 19:38:02 +00:00
|
|
|
return $"{minute:D2}:{second:D2}:{frame:D2} - LBA {lba,6}: {area} area, {(corruptedPause
|
|
|
|
|
? "corrupted pause"
|
|
|
|
|
: pause
|
|
|
|
|
? "pause"
|
|
|
|
|
: "not pause")}, {controlInfo}, {copy}, Q mode {adr} position: {subBuf[3]
|
|
|
|
|
:X2}:{subBuf[4]:X2}:{subBuf[5]:X2} (LBA {qPos}), track {subBuf[2]
|
|
|
|
|
:X} is last program area track, Q CRC 0x{subBuf[10]:X2}{subBuf[11]:X2} ({
|
|
|
|
|
(crcOk ? "OK" : "BAD")}), R-W {(rwEmpty ? "empty" : "not empty")}";
|
2022-03-06 13:29:37 +00:00
|
|
|
case 1:
|
2022-11-13 19:38:02 +00:00
|
|
|
return subBuf[2] == 0xA2 ? $"{minute:D2}:{second:D2}:{frame:D2} - LBA {lba,6}: {area} area, {
|
|
|
|
|
(corruptedPause
|
|
|
|
|
? "corrupted pause"
|
|
|
|
|
: pause
|
|
|
|
|
? "pause"
|
|
|
|
|
: "not pause")}, {controlInfo}, {copy}, Q mode {adr} position: {subBuf[3]:X2}:{
|
|
|
|
|
subBuf[4]:X2}:{subBuf[5]:X2} (LBA {qPos}), track {subBuf[2]:X} starts at {subBuf[7]
|
|
|
|
|
:X2}{subBuf[8]:X2}{subBuf[9]:X2} (LBA {qStart}), Q CRC 0x{subBuf[10]:X2}{subBuf[11]
|
|
|
|
|
:X2} ({(crcOk ? "OK" : "BAD")}), R-W {(rwEmpty ? "empty" : "not empty")}" : $"{
|
|
|
|
|
minute:D2}:{second:D2}:{frame:D2} - LBA {lba,6}: {area} area, {(corruptedPause
|
|
|
|
|
? "corrupted pause"
|
|
|
|
|
: pause
|
|
|
|
|
? "pause"
|
|
|
|
|
: "not pause")}, {controlInfo}, {copy}, Q: {subBuf[0]
|
|
|
|
|
:X2} {subBuf[1]:X2} {subBuf[2]:X2} {subBuf[3]:X2} {
|
|
|
|
|
subBuf[4]:X2} {subBuf[5]:X2} {subBuf[6]:X2} {subBuf[7]
|
|
|
|
|
:X2} {subBuf[8]:X2} {subBuf[9]:X2} CRC 0x{
|
|
|
|
|
subBuf[10]:X2}{subBuf[11]:X2} ({
|
|
|
|
|
(crcOk ? "OK" : "BAD")}), R-W {
|
|
|
|
|
(rwEmpty ? "empty" : "not empty")}";
|
2022-03-06 13:29:37 +00:00
|
|
|
case 2:
|
2022-11-13 19:38:02 +00:00
|
|
|
return $"{minute:D2}:{second:D2}:{frame:D2} - LBA {lba,6}: {area} area, {(corruptedPause
|
|
|
|
|
? "corrupted pause"
|
|
|
|
|
: pause
|
|
|
|
|
? "pause"
|
|
|
|
|
: "not pause")}, {controlInfo}, {copy}, Q mode {adr} MCN: {DecodeMcn(subBuf)
|
|
|
|
|
} frame {subBuf[9]:X2} CRC 0x{subBuf[10]:X2}{subBuf[11]:X2} ({
|
|
|
|
|
(crcOk ? "OK" : "BAD")}), R-W {(rwEmpty ? "empty" : "not empty")}";
|
2022-03-06 13:29:37 +00:00
|
|
|
}
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
if(adr != 5)
|
2022-11-13 19:38:02 +00:00
|
|
|
return $"{minute:D2}:{second:D2}:{frame:D2} - LBA {lba,6}: {area} area, {(corruptedPause
|
|
|
|
|
? "corrupted pause"
|
|
|
|
|
: pause
|
|
|
|
|
? "pause"
|
|
|
|
|
: "not pause")}, {controlInfo}, {copy}, Q: {subBuf[0]:X2} {subBuf[1]:X2} {
|
|
|
|
|
subBuf[2]:X2} {subBuf[3]:X2} {subBuf[4]:X2} {subBuf[5]:X2} {subBuf[6]:X2} {
|
|
|
|
|
subBuf[7]:X2} {subBuf[8]:X2} {subBuf[9]:X2} CRC 0x{subBuf[10]:X2}{subBuf[11]
|
|
|
|
|
:X2} ({(crcOk ? "OK" : "BAD")}), R-W {(rwEmpty ? "empty" : "not empty")
|
|
|
|
|
}";
|
|
|
|
|
|
|
|
|
|
switch(subBuf[2])
|
|
|
|
|
{
|
|
|
|
|
case <= 0x40:
|
|
|
|
|
return $"{minute:D2}:{second:D2}:{frame:D2} - LBA {lba,6}: {area} area, {(corruptedPause
|
|
|
|
|
? "corrupted pause"
|
|
|
|
|
: pause
|
|
|
|
|
? "pause"
|
|
|
|
|
: "not pause")}, {controlInfo}, {copy}, Q mode {adr
|
|
|
|
|
} skip interval start time {subBuf[7]:X2}{subBuf[8]:X2}{subBuf[9]
|
|
|
|
|
:X2}, skip interval stop time {subBuf[3]:X2}{subBuf[4]:X2}{subBuf[5]
|
|
|
|
|
:X2}, CRC 0x{subBuf[10]:X2}{subBuf[11]:X2} ({(crcOk ? "OK" : "BAD")}), R-W {
|
|
|
|
|
(rwEmpty ? "empty" : "not empty")}";
|
|
|
|
|
case 0xB0:
|
|
|
|
|
return final ? $"{minute:D2}:{second:D2}:{frame:D2} - LBA {lba,6}: {area} area, {(corruptedPause
|
|
|
|
|
? "corrupted pause"
|
|
|
|
|
: pause
|
|
|
|
|
? "pause"
|
|
|
|
|
: "not pause")}, {controlInfo}, {copy}, Q mode {adr
|
|
|
|
|
} next program area can start at {subBuf[3]:X2}:{subBuf[4]:X2}:{subBuf[5]
|
|
|
|
|
:X2} (LBA {nextPos}), last-session, {zero} mode 5 pointers, CRC 0x{
|
|
|
|
|
subBuf[10]:X2}{subBuf[11]:X2} ({(crcOk ? "OK" : "BAD")}), R-W {
|
|
|
|
|
(rwEmpty ? "empty" : "not empty")}" : $"{minute:D2}:{second:D2}:{frame
|
|
|
|
|
:D2} - LBA {lba,6}: {area} area, {(corruptedPause
|
|
|
|
|
? "corrupted pause"
|
|
|
|
|
: pause
|
|
|
|
|
? "pause"
|
|
|
|
|
: "not pause")}, {controlInfo}, {copy}, Q mode {
|
|
|
|
|
adr} next program area can start at {subBuf[3]
|
|
|
|
|
:X2}:{subBuf[4]:X2}:{subBuf[5]:X2} (LBA {
|
|
|
|
|
nextPos}), maximum Lead-out at {subBuf[7]
|
|
|
|
|
:X2}:{subBuf[8]:X2}:{subBuf[9]
|
|
|
|
|
:X2} (LBA {maxOut}), {zero
|
|
|
|
|
} mode 5 pointers, CRC 0x{subBuf[10]:X2}{
|
|
|
|
|
subBuf[11]:X2} ({(crcOk ? "OK" : "BAD")
|
|
|
|
|
}), R-W {(rwEmpty ? "empty"
|
|
|
|
|
: "not empty")}";
|
|
|
|
|
case 0xB1:
|
|
|
|
|
return $"{minute:D2}:{second:D2}:{frame:D2} - LBA {lba,6}: {area} area, {(corruptedPause
|
|
|
|
|
? "corrupted pause"
|
|
|
|
|
: pause
|
|
|
|
|
? "pause"
|
|
|
|
|
: "not pause")}, {controlInfo}, {copy}, Q mode {adr}, {pmin
|
|
|
|
|
} skip interval pointers, {psec} skip track assignments, CRC 0x{subBuf[10]:X2}{
|
|
|
|
|
subBuf[11]:X2} ({(crcOk ? "OK" : "BAD")}), R-W {
|
|
|
|
|
(rwEmpty ? "empty" : "not empty")}";
|
|
|
|
|
}
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
if(subBuf[2] != 0xB2 &&
|
|
|
|
|
subBuf[2] != 0xB3 &&
|
|
|
|
|
subBuf[2] != 0xB4)
|
2022-11-13 19:38:02 +00:00
|
|
|
return subBuf[2] == 0xC0 ? $"{minute:D2}:{second:D2}:{frame:D2} - LBA {lba,6}: {area} area, {
|
|
|
|
|
(corruptedPause
|
|
|
|
|
? "corrupted pause"
|
|
|
|
|
: pause
|
|
|
|
|
? "pause"
|
|
|
|
|
: "not pause")}, {controlInfo}, {copy}, Q mode {adr}, ATIP values {subBuf[3]:X2}, {
|
|
|
|
|
subBuf[4]:X2}, {subBuf[5]:X2}, first disc Lead-in starts at {subBuf[7]:X2}{subBuf[8]:X2}{
|
|
|
|
|
subBuf[9]:X2} (LBA {qStart}), CRC 0x{subBuf[10]:X2}{subBuf[11]:X2} ({
|
|
|
|
|
(crcOk ? "OK" : "BAD")}), R-W {(rwEmpty ? "empty" : "not empty")}" : $"{minute
|
|
|
|
|
:D2}:{second:D2}:{frame:D2} - LBA {lba,6}: {area} area, {(corruptedPause
|
|
|
|
|
? "corrupted pause"
|
|
|
|
|
: pause
|
|
|
|
|
? "pause"
|
|
|
|
|
: "not pause")}, {controlInfo}, {copy}, Q: {subBuf[0]:X2} {
|
|
|
|
|
subBuf[1]:X2} {subBuf[2]:X2} {subBuf[3]:X2} {subBuf[4]
|
|
|
|
|
:X2} {subBuf[5]:X2} {subBuf[6]:X2} {subBuf[7]:X2} {
|
|
|
|
|
subBuf[8]:X2} {subBuf[9]:X2} CRC 0x{subBuf[10]:X2}{
|
|
|
|
|
subBuf[11]:X2} ({(crcOk ? "OK" : "BAD")}), R-W {
|
|
|
|
|
(rwEmpty ? "empty" : "not empty")}";
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
string skipTracks = $"{subBuf[3]:X2}";
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
if(subBuf[4] > 0)
|
|
|
|
|
skipTracks += $", {subBuf[4]:X2}";
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
if(subBuf[5] > 0)
|
|
|
|
|
skipTracks += $", {subBuf[4]:X2}";
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
if(subBuf[7] > 0)
|
|
|
|
|
skipTracks += $", {subBuf[4]:X2}";
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
if(subBuf[8] > 0)
|
|
|
|
|
skipTracks += $", {subBuf[4]:X2}";
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
if(subBuf[9] > 0)
|
|
|
|
|
skipTracks += $", {subBuf[4]:X2}";
|
2020-05-05 14:06:49 +01:00
|
|
|
|
2022-11-13 19:38:02 +00:00
|
|
|
return $"{minute:D2}:{second:D2}:{frame:D2} - LBA {lba,6}: {area} area, {(corruptedPause
|
|
|
|
|
? "corrupted pause"
|
|
|
|
|
: pause
|
|
|
|
|
? "pause"
|
|
|
|
|
: "not pause")}, {controlInfo}, {copy}, Q mode {adr}, tracks {skipTracks
|
|
|
|
|
} to be skipped, CRC 0x{subBuf[10]:X2}{subBuf[11]:X2} ({(crcOk ? "OK" : "BAD")}), R-W {
|
|
|
|
|
(rwEmpty ? "empty" : "not empty")}";
|
2020-05-05 14:06:49 +01:00
|
|
|
}
|
2020-05-05 18:55:29 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
area = subBuf[1] == 0xAA ? "Lead-out" : "Program";
|
|
|
|
|
|
|
|
|
|
return adr switch
|
2022-11-15 15:58:41 +00:00
|
|
|
{
|
|
|
|
|
1 => $"{minute:D2}:{second:D2}:{frame:D2} - LBA {lba,6}: {area} area, {(corruptedPause
|
|
|
|
|
? "corrupted pause"
|
|
|
|
|
: pause
|
|
|
|
|
? "pause"
|
|
|
|
|
: "not pause")}, {controlInfo}, {copy}, Q mode {adr} position: track {subBuf[1]
|
|
|
|
|
:X} index {subBuf[2]:X} relative position {subBuf[3]:X2}:{subBuf[4]:X2}:{subBuf[5]
|
|
|
|
|
:X2} (LBA {qPos + 150}), absolute position {subBuf[7]:X2}:{subBuf[8]:X2}:{subBuf[9]
|
|
|
|
|
:X2} (LBA {qStart}), Q CRC 0x{subBuf[10]:X2}{subBuf[11]:X2} ({(crcOk ? "OK" : "BAD")
|
|
|
|
|
}), R-W {(rwEmpty ? "empty" : "not empty")}",
|
|
|
|
|
2 => $"{minute:D2}:{second:D2}:{frame:D2} - LBA {lba,6}: {area} area, {(corruptedPause
|
|
|
|
|
? "corrupted pause"
|
|
|
|
|
: pause
|
|
|
|
|
? "pause"
|
|
|
|
|
: "not pause")}, {controlInfo}, {copy}, Q mode {adr} MCN: {DecodeMcn(subBuf)
|
|
|
|
|
} frame {subBuf[9]:X2} CRC 0x{subBuf[10]:X2}{subBuf[11]:X2} ({(crcOk ? "OK" : "BAD")
|
|
|
|
|
}), R-W {(rwEmpty ? "empty" : "not empty")}",
|
|
|
|
|
3 => $"{minute:D2}:{second:D2}:{frame:D2} - LBA {lba,6}: {area} area, {(corruptedPause
|
|
|
|
|
? "corrupted pause"
|
|
|
|
|
: pause
|
|
|
|
|
? "pause"
|
|
|
|
|
: "not pause")}, {controlInfo}, {copy}, Q mode {adr} ISRC: {DecodeIsrc(subBuf)
|
|
|
|
|
} frame {subBuf[9]:X2} CRC 0x{subBuf[10]:X2}{subBuf[11]:X2} ({(crcOk ? "OK" : "BAD")
|
|
|
|
|
}), R-W {(rwEmpty ? "empty" : "not empty")}",
|
|
|
|
|
_ => $"{minute:D2}:{second:D2}:{frame:D2} - LBA {lba,6}: {area} area, {(corruptedPause
|
|
|
|
|
? "corrupted pause"
|
|
|
|
|
: pause
|
|
|
|
|
? "pause"
|
|
|
|
|
: "not pause")}, {controlInfo}, {copy}, Q: {subBuf[0]:X2} {subBuf[1]:X2} {subBuf[2]
|
|
|
|
|
:X2} {subBuf[3]:X2} {subBuf[4]:X2} {subBuf[5]:X2} {subBuf[6]:X2} {subBuf[7]:X2} {
|
|
|
|
|
subBuf[8]:X2} {subBuf[9]:X2} CRC 0x{subBuf[10]:X2}{subBuf[11]:X2} ({
|
|
|
|
|
(crcOk ? "OK" : "BAD")}), R-W {(rwEmpty ? "empty" : "not empty")}"
|
|
|
|
|
};
|
2022-03-06 13:29:37 +00:00
|
|
|
}
|
|
|
|
|
|
2022-11-15 15:58:41 +00:00
|
|
|
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}";
|
2020-05-05 21:08:41 +01:00
|
|
|
|
2022-03-07 07:36:42 +00:00
|
|
|
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}";
|
2020-06-14 00:30:57 +01:00
|
|
|
|
2022-11-13 19:59:23 +00:00
|
|
|
public static byte GetIsrcCode(char c) => c switch
|
2022-11-15 15:58:41 +00:00
|
|
|
{
|
|
|
|
|
'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
|
|
|
|
|
};
|
2020-07-13 22:32:40 +01:00
|
|
|
|
2022-03-07 07:36:42 +00:00
|
|
|
public static byte[] Generate(int sector, uint trackSequence, int pregap, int trackStart, byte flags, byte index)
|
2022-03-06 13:29:37 +00:00
|
|
|
{
|
|
|
|
|
bool isPregap = sector < 0 || sector <= trackStart + pregap;
|
2020-07-13 22:32:40 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
if(index == 0)
|
|
|
|
|
index = (byte)(isPregap ? 0 : 1);
|
2020-07-13 22:32:40 +01:00
|
|
|
|
2022-11-15 15:58:41 +00:00
|
|
|
byte[] sub = new byte[96];
|
2020-07-13 22:32:40 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
// 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;
|
|
|
|
|
}
|
2020-07-13 22:32:40 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
// Q
|
2022-11-15 15:58:41 +00:00
|
|
|
byte[] q = new byte[12];
|
2020-07-13 22:32:40 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
q[0] = (byte)((flags << 4) + 1);
|
|
|
|
|
q[1] = (byte)trackSequence;
|
|
|
|
|
q[2] = index;
|
2020-07-13 22:32:40 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
int relative;
|
2020-07-13 22:32:40 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
if(isPregap)
|
|
|
|
|
relative = pregap + trackStart - sector;
|
|
|
|
|
else
|
|
|
|
|
relative = sector - trackStart;
|
2020-07-13 22:32:40 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
sector += 150;
|
2020-07-13 22:32:40 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
int min = relative / 60 / 75;
|
2022-11-15 15:58:41 +00:00
|
|
|
int sec = (relative / 75) - (min * 60);
|
|
|
|
|
int frame = relative - (min * 60 * 75) - (sec * 75);
|
2020-07-13 22:32:40 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
int amin = sector / 60 / 75;
|
2022-11-15 15:58:41 +00:00
|
|
|
int asec = (sector / 75) - (amin * 60);
|
|
|
|
|
int aframe = sector - (amin * 60 * 75) - (asec * 75);
|
2020-07-13 22:32:40 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
q[3] = (byte)min;
|
|
|
|
|
q[4] = (byte)sec;
|
|
|
|
|
q[5] = (byte)frame;
|
2020-07-13 22:32:40 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
q[7] = (byte)amin;
|
|
|
|
|
q[8] = (byte)asec;
|
|
|
|
|
q[9] = (byte)aframe;
|
2020-07-13 22:32:40 +01:00
|
|
|
|
2022-11-15 15:58:41 +00:00
|
|
|
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));
|
2020-07-13 22:32:40 +01:00
|
|
|
|
2022-11-15 15:58:41 +00:00
|
|
|
q[9] = (byte)(((q[9] / 10) << 4) + (q[9] % 10));
|
2020-07-13 22:32:40 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
CRC16CCITTContext.Data(q, 10, out byte[] qCrc);
|
|
|
|
|
q[10] = qCrc[0];
|
|
|
|
|
q[11] = qCrc[1];
|
2020-07-13 22:32:40 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
Array.Copy(q, 0, sub, 12, 12);
|
2020-07-13 22:32:40 +01:00
|
|
|
|
2022-03-06 13:29:37 +00:00
|
|
|
return Interleave(sub);
|
2020-05-05 14:06:49 +01:00
|
|
|
}
|
|
|
|
|
}
|
