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); }