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c7178d94c65130d4c915643973a59aecba072b38
Aaru/CD/Subchannel.cs

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Add missing file headers.
2020-07-19 22:01:25 +01:00
// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : Subchannel.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// 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 <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
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// Copyright © 2011-2022 Natalia Portillo
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// ****************************************************************************/
Add option to generate subchannels for undumped ones.
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using System;
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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)
{
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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));
}
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q[9] = (byte)(((q[9] / 10) << 4) + (q[9] % 10));
}
public static void BcdToBinaryQ(byte[] q)
{
Fix ISRC decoding.
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if((q[0] & 0xF) == 1 ||
(q[0] & 0xF) == 5)
{
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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));
Fix ISRC decoding.
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}
Remove redundant parentheses.
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q[9] = (byte)((q[9] / 16 * 10) + (q[9] & 0x0F));
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}
public static byte[] ConvertQToRaw(byte[] subchannel)
{
int pos = 0;
byte[] subBuf = new byte[subchannel.Length * 6];
for(int 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)
{
byte[] subBuf = new byte[subchannel.Length];
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int outPos = 0;
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for(int inPos = 0; inPos < subchannel.Length; inPos += 96)
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{
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for(int 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;
}
Move common subchannel code to decoders.
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}
return subBuf;
}
public static byte[] Deinterleave(byte[] subchannel)
{
byte[] subBuf = new byte[subchannel.Length];
Fix subchannel (de-)interleaving.
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int inPos = 0;
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Fix subchannel (de-)interleaving.
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for(int outPos = 0; outPos < subchannel.Length; outPos += 96)
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{
Fix subchannel (de-)interleaving.
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for(int 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;
}
Move common subchannel code to decoders.
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}
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];
Remove redundant parentheses.
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long minute = (lba + 150) / 4500;
long second = (lba + 150) % 4500 / 75;
long frame = (lba + 150) % 4500 % 75;
Move common subchannel code to decoders.
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string area;
int control = (subBuf[0] & 0xF0) / 16;
int adr = subBuf[0] & 0x0F;
string controlInfo = ((control & 0xC) / 4) switch
{
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}"
};
string copy = (control & 0x02) > 0 ? "copy permitted" : "copy prohibited";
if(bcd)
BcdToBinaryQ(subBuf);
Remove redundant parentheses.
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int qPos = (subBuf[3] * 60 * 75) + (subBuf[4] * 75) + subBuf[5] - 150;
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byte pmin = subBuf[7];
byte psec = subBuf[8];
Remove redundant parentheses.
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int qStart = (subBuf[7] * 60 * 75) + (subBuf[8] * 75) + subBuf[9] - 150;
int nextPos = (subBuf[3] * 60 * 75) + (subBuf[4] * 75) + subBuf[5] - 150;
Move common subchannel code to decoders.
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byte zero = subBuf[6];
Remove redundant parentheses.
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int maxOut = (subBuf[7] * 60 * 75) + (subBuf[8] * 75) + subBuf[9] - 150;
Move common subchannel code to decoders.
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bool final = subBuf[3] == 0xFF && subBuf[4] == 0xFF && subBuf[5] == 0xFF;
BinaryToBcdQ(subBuf);
if(lba < 0)
{
area = "Lead-In";
switch(adr)
{
case 1 when subBuf[2] < 0xA0:
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")}";
case 1 when subBuf[2] == 0xA0:
{
string format = subBuf[8] switch
{
0x00 => "CD-DA / CD-ROM",
0x10 => "CD-i",
0x20 => "CD-ROM XA",
_ => $"unknown {subBuf[0]:X2}"
};
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")}";
}
case 1 when subBuf[2] == 0xA1:
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")}";
case 1:
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")}";
case 2:
return
Use subchannel, if available, to set MCN.
2020-05-05 21:08:41 +01:00
$"{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")}";
Move common subchannel code to decoders.
2020-05-05 14:06:49 +01:00
}
if(adr != 5)
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")}";
if(subBuf[2] <= 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")}";
}
if(subBuf[2] == 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")}";
}
if(subBuf[2] == 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")}";
}
if(subBuf[2] != 0xB2 &&
subBuf[2] != 0xB3 &&
subBuf[2] != 0xB4)
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")}";
string 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
$"{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")}";
}
area = subBuf[1] == 0xAA ? "Lead-out" : "Program";
return adr switch
{
1 =>
General code clean-up, refactor and commenting.
2020-11-11 04:19:13 +00:00
$"{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")}",
Move common subchannel code to decoders.
2020-05-05 14:06:49 +01:00
2 =>
General code clean-up, refactor and commenting.
2020-11-11 04:19:13 +00:00
$"{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")}",
Move common subchannel code to decoders.
2020-05-05 14:06:49 +01:00
3 =>
General code clean-up, refactor and commenting.
2020-11-11 04:19:13 +00:00
$"{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")}",
Move common subchannel code to decoders.
2020-05-05 14:06:49 +01:00
_ =>
General code clean-up, refactor and commenting.
2020-11-11 04:19:13 +00:00
$"{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")}"
Move common subchannel code to decoders.
2020-05-05 14:06:49 +01:00
};
}
Fix ISRC decoding.
2020-05-05 18:55:29 +01:00
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}";
Use subchannel, if available, to set MCN.
2020-05-05 21:08:41 +01:00
public static string DecodeMcn(byte[] q) =>
Fix decoding of last digit of MCN subcode. Fixes #419
2020-10-20 13:55:30 +01:00
$"{q[1]:X2}{q[2]:X2}{q[3]:X2}{q[4]:X2}{q[5]:X2}{q[6]:X2}{q[7] >> 4:X}";
Fix MCN and ISRC subchannels.
2020-06-14 00:30:57 +01:00
public static byte GetIsrcCode(char c)
{
switch(c)
{
case '0': return 0x00;
case '1': return 0x01;
case '2': return 0x02;
case '3': return 0x03;
case '4': return 0x04;
case '5': return 0x05;
case '6': return 0x06;
case '7': return 0x07;
case '8': return 0x08;
case '9': return 0x09;
case 'A': return 0x11;
case 'B': return 0x12;
case 'C': return 0x13;
case 'D': return 0x14;
case 'E': return 0x15;
case 'F': return 0x16;
case 'G': return 0x17;
case 'H': return 0x18;
case 'I': return 0x19;
case 'J': return 0x1A;
case 'K': return 0x1B;
case 'L': return 0x1C;
case 'M': return 0x1D;
case 'N': return 0x1E;
case 'O': return 0x1F;
case 'P': return 0x20;
case 'Q': return 0x21;
case 'R': return 0x22;
case 'S': return 0x23;
case 'T': return 0x24;
case 'U': return 0x25;
case 'V': return 0x26;
case 'W': return 0x27;
case 'X': return 0x28;
case 'Y': return 0x29;
case 'Z': return 0x2A;
default: return 0x00;
}
}
Add option to generate subchannels for undumped ones.
2020-07-13 22:32:40 +01:00
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);
byte[] 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
byte[] q = new byte[12];
q[0] = (byte)((flags << 4) + 1);
q[1] = (byte)trackSequence;
q[2] = index;
int relative;
if(isPregap)
Remove redundant parentheses.
2021-08-17 14:27:18 +01:00
relative = pregap + trackStart - sector;
Add option to generate subchannels for undumped ones.
2020-07-13 22:32:40 +01:00
else
relative = sector - trackStart;
sector += 150;
int min = relative / 60 / 75;
General code clean-up, refactor and commenting.
2020-11-11 04:19:13 +00:00
int sec = (relative / 75) - (min * 60);
int frame = relative - (min * 60 * 75) - (sec * 75);
Add option to generate subchannels for undumped ones.
2020-07-13 22:32:40 +01:00
int amin = sector / 60 / 75;
General code clean-up, refactor and commenting.
2020-11-11 04:19:13 +00:00
int asec = (sector / 75) - (amin * 60);
int aframe = sector - (amin * 60 * 75) - (asec * 75);
Add option to generate subchannels for undumped ones.
2020-07-13 22:32:40 +01:00
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);
}
Move common subchannel code to decoders.
2020-05-05 14:06:49 +01:00
}
}
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