public static string Prettify000b(StandardDiscInformation?information)
{
if (!information.HasValue)
{
return(null);
}
StandardDiscInformation decoded = information.Value;
if (decoded.DataType != 0)
{
return(null);
}
StringBuilder sb = new StringBuilder();
switch (decoded.DiscType)
{
case 0x00:
sb.AppendLine("Disc type declared as CD-DA or CD-ROM");
break;
case 0x10:
sb.AppendLine("Disc type declared as CD-i");
break;
case 0x20:
sb.AppendLine("Disc type declared as CD-ROM XA");
break;
case 0xFF:
sb.AppendLine("Disc type is undefined");
break;
default:
sb.AppendFormat("Unknown disc type {0:X2}h", decoded.DiscType).AppendLine();
break;
}
switch (decoded.DiscStatus)
{
case 0:
sb.AppendLine("Disc is empty");
break;
case 1:
sb.AppendLine("Disc is incomplete");
break;
case 2:
sb.AppendLine("Disc is finalized");
break;
}
if (decoded.Erasable)
{
sb.AppendLine("Disc is erasable");
}
switch (decoded.LastSessionStatus)
{
case 0:
sb.AppendLine("Last session is empty");
break;
case 1:
sb.AppendLine("Last session is incomplete");
break;
case 2:
sb.AppendLine("Last session is damaged");
break;
case 3:
sb.AppendLine("Last session is complete");
break;
}
switch (decoded.BGFormatStatus)
{
case 1:
sb.AppendLine("Media was being formatted in the background but it is stopped and incomplete");
break;
case 2:
sb.AppendLine("Media is currently being formatted in the background");
break;
case 3:
sb.AppendLine("Media background formatting has completed");
break;
}
if (decoded.Dbit)
{
sb.AppendLine("MRW is dirty");
}
sb.AppendFormat("First track on disc is track {0}", decoded.FirstTrackNumber).AppendLine();
sb.AppendFormat("Disc has {0} sessions", decoded.Sessions).AppendLine();
sb.AppendFormat("First track in last session is track {0}", decoded.FirstTrackLastSession).AppendLine();
sb.AppendFormat("Last track in last session is track {0}", decoded.LastTrackLastSession).AppendLine();
sb.AppendFormat("Last session Lead-In address is {0} (as LBA) or {1:X2}:{2:X2}:{3:X2}",
decoded.LastSessionLeadInStartLBA, (decoded.LastSessionLeadInStartLBA & 0xFF0000) >> 16,
(decoded.LastSessionLeadInStartLBA & 0xFF00) >> 8,
decoded.LastSessionLeadInStartLBA & 0xFF)
.AppendLine();
sb.AppendFormat("Last possible Lead-Out address is {0} (as LBA) or {1:X2}:{2:X2}:{3:X2}",
decoded.LastPossibleLeadOutStartLBA, (decoded.LastPossibleLeadOutStartLBA & 0xFF0000) >> 16,
(decoded.LastPossibleLeadOutStartLBA & 0xFF00) >> 8,
decoded.LastPossibleLeadOutStartLBA & 0xFF).AppendLine();
sb.AppendLine(decoded.URU ? "Disc is defined for unrestricted use" : "Disc is defined for restricted use");
if (decoded.DID_V)
{
sb.AppendFormat("Disc ID: {0:X6}", decoded.DiscIdentification & 0x00FFFFFF).AppendLine();
}
if (decoded.DBC_V)
{
sb.AppendFormat("Disc barcode: {0:X16}", decoded.DiscBarcode).AppendLine();
}
if (decoded.DAC_V)
{
sb.AppendFormat("Disc application code: {0}", decoded.DiscApplicationCode).AppendLine();
}
if (decoded.OPCTables == null)
{
return(sb.ToString());
}
foreach (OPCTable table in decoded.OPCTables)
{
sb.AppendFormat("OPC values for {0}Kbit/sec.: {1}, {2}, {3}, {4}, {5}, {6}", table.Speed,
table.OPCValues[0], table.OPCValues[1], table.OPCValues[2], table.OPCValues[3],
table.OPCValues[4], table.OPCValues[5]).AppendLine();
}
return(sb.ToString());
}
public static StandardDiscInformation?Decode000b(byte[] response)
{
if (response.Length < 34)
{
return(null);
}
if ((response[2] & 0xE0) != 0)
{
return(null);
}
StandardDiscInformation decoded =
new StandardDiscInformation {
DataLength = (ushort)((response[0] << 8) + response[1])
};
if (decoded.DataLength + 2 != response.Length)
{
return(null);
}
decoded.DataType = (byte)((response[2] & 0xE0) >> 5);
decoded.Erasable |= (response[2] & 0x10) == 0x10;
decoded.LastSessionStatus = (byte)((response[2] & 0x0C) >> 2);
decoded.DiscStatus = (byte)(response[2] & 0x03);
decoded.FirstTrackNumber = response[3];
decoded.Sessions = (ushort)((response[9] << 8) + response[4]);
decoded.FirstTrackLastSession = (ushort)((response[10] << 8) + response[5]);
decoded.LastTrackLastSession = (ushort)((response[11] << 8) + response[6]);
decoded.DID_V |= (response[7] & 0x80) == 0x80;
decoded.DBC_V |= (response[7] & 0x40) == 0x40;
decoded.URU |= (response[7] & 0x20) == 0x20;
decoded.DAC_V |= (response[7] & 0x10) == 0x10;
decoded.Reserved |= (response[7] & 0x08) == 0x08;
decoded.Dbit |= (response[7] & 0x04) == 0x04;
decoded.BGFormatStatus = (byte)(response[7] & 0x03);
decoded.DiscIdentification =
(uint)((response[12] << 24) + (response[13] << 16) + (response[14] << 8) + response[15]);
decoded.LastSessionLeadInStartLBA =
(uint)((response[16] << 24) + (response[17] << 16) + (response[18] << 8) + response[19]);
decoded.LastPossibleLeadOutStartLBA =
(uint)((response[20] << 24) + (response[21] << 16) + (response[22] << 8) + response[23]);
byte[] temp = new byte[8];
Array.Copy(response, 24, temp, 0, 8);
Array.Reverse(temp);
decoded.DiscBarcode = BitConverter.ToUInt64(temp, 0);
decoded.DiscApplicationCode = response[32];
decoded.OPCTablesNumber = response[33];
if (decoded.OPCTablesNumber <= 0 || response.Length != decoded.OPCTablesNumber * 8 + 34)
{
return(decoded);
}
decoded.OPCTables = new OPCTable[decoded.OPCTablesNumber];
for (int i = 0; i < decoded.OPCTablesNumber; i++)
{
decoded.OPCTables[i].Speed = (ushort)((response[34 + i * 8 + 0] << 16) + response[34 + i * 8 + 1]);
decoded.OPCTables[i].OPCValues = new byte[6];
Array.Copy(response, 34 + i * 8 + 2, decoded.OPCTables[i].OPCValues, 0, 6);
}
return(decoded);
}
