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Aaru/DiscImageChef.Decoders/CD/ATIP.cs

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2015-10-19 02:40:30 +01:00
// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : ATIP.cs
// Version : 1.0
// Author(s) : Natalia Portillo
//
// Component : Component
//
// Revision : $Revision$
// Last change by : $Author$
// Date : $Date$
//
// --[ Description ] ----------------------------------------------------------
//
// Description
//
// --[ 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/>.
//
// ----------------------------------------------------------------------------
// Copyright (C) 2011-2015 Claunia.com
// ****************************************************************************/
// //$Id$
using System;
using DiscImageChef.Console;
using System.Text;
namespace DiscImageChef.Decoders.CD
{
/// <summary>
/// Information from the following standards:
/// ANSI X3.304-1997
/// T10/1048-D revision 9.0
/// T10/1048-D revision 10a
/// T10/1228-D revision 7.0c
/// T10/1228-D revision 11a
/// T10/1363-D revision 10g
/// T10/1545-D revision 1d
/// T10/1545-D revision 5
/// T10/1545-D revision 5a
/// T10/1675-D revision 2c
/// T10/1675-D revision 4
/// T10/1836-D revision 2g
/// </summary>
public static class ATIP
{
public struct CDATIP
{
/// <summary>
/// Bytes 1 to 0
/// Total size of returned session information minus this field
/// </summary>
public UInt16 DataLength;
/// <summary>
/// Byte 2
/// Reserved
/// </summary>
public byte Reserved1;
/// <summary>
/// Byte 3
/// Reserved
/// </summary>
public byte Reserved2;
/// <summary>
/// Byte 4, bits 7 to 4
/// Indicative target writing power
/// </summary>
public byte ITWP;
/// <summary>
/// Byte 4, bit 3
/// Set if DDCD
/// </summary>
public bool DDCD;
/// <summary>
/// Byte 4, bits 2 to 0
/// Reference speed
/// </summary>
public byte ReferenceSpeed;
/// <summary>
/// Byte 5, bit 7
/// Always unset
/// </summary>
public bool AlwaysZero;
/// <summary>
/// Byte 5, bit 6
/// Unrestricted media
/// </summary>
public bool URU;
/// <summary>
/// Byte 5, bits 5 to 0
/// Reserved
/// </summary>
public byte Reserved3;
/// <summary>
/// Byte 6, bit 7
/// Always set
/// </summary>
public bool AlwaysOne;
/// <summary>
/// Byte 6, bit 6
/// Set if rewritable (CD-RW or DDCD-RW)
/// </summary>
public bool DiscType;
/// <summary>
/// Byte 6, bits 5 to 3
/// Disc subtype
/// </summary>
public byte DiscSubType;
/// <summary>
/// Byte 6, bit 2
/// A1 values are valid
/// </summary>
public bool A1Valid;
/// <summary>
/// Byte 6, bit 1
/// A2 values are valid
/// </summary>
public bool A2Valid;
/// <summary>
/// Byte 6, bit 0
/// A3 values are valid
/// </summary>
public bool A3Valid;
/// <summary>
/// Byte 7
/// Reserved
/// </summary>
public byte Reserved4;
/// <summary>
/// Byte 8
/// ATIP Start time of Lead-In (Minute)
/// </summary>
public byte LeadInStartMin;
/// <summary>
/// Byte 9
/// ATIP Start time of Lead-In (Second)
/// </summary>
public byte LeadInStartSec;
/// <summary>
/// Byte 10
/// ATIP Start time of Lead-In (Frame)
/// </summary>
public byte LeadInStartFrame;
/// <summary>
/// Byte 11
/// Reserved
/// </summary>
public byte Reserved5;
/// <summary>
/// Byte 12
/// ATIP Last possible start time of Lead-Out (Minute)
/// </summary>
public byte LeadOutStartMin;
/// <summary>
/// Byte 13
/// ATIP Last possible start time of Lead-Out (Second)
/// </summary>
public byte LeadOutStartSec;
/// <summary>
/// Byte 14
/// ATIP Last possible start time of Lead-Out (Frame)
/// </summary>
public byte LeadOutStartFrame;
/// <summary>
/// Byte 15
/// Reserved
/// </summary>
public byte Reserved6;
/// <summary>
/// Bytes 16 to 18
/// A1 values
/// </summary>
public byte[] A1Values;
/// <summary>
/// Byte 19
/// Reserved
/// </summary>
public byte Reserved7;
/// <summary>
/// Bytes 20 to 22
/// A2 values
/// </summary>
public byte[] A2Values;
/// <summary>
/// Byte 23
/// Reserved
/// </summary>
public byte Reserved8;
/// <summary>
/// Bytes 24 to 26
/// A3 values
/// </summary>
public byte[] A3Values;
/// <summary>
/// Byte 27
/// Reserved
/// </summary>
public byte Reserved9;
/// <summary>
/// Bytes 28 to 30
/// S4 values
/// </summary>
public byte[] S4Values;
/// <summary>
/// Byte 31
/// Reserved
/// </summary>
public byte Reserved10;
}
public static CDATIP? DecodeCDATIP(byte[] CDATIPResponse)
{
if (CDATIPResponse == null)
return null;
CDATIP decoded = new CDATIP();
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
if (CDATIPResponse.Length != 32)
{
DicConsole.DebugWriteLine("CD ATIP decoder", "Expected CD ATIP size (32 bytes) is not received size ({0} bytes), not decoding", CDATIPResponse.Length);
return null;
}
decoded.DataLength = BigEndianBitConverter.ToUInt16(CDATIPResponse, 0);
decoded.Reserved1 = CDATIPResponse[2];
decoded.Reserved2 = CDATIPResponse[3];
decoded.ITWP = (byte)((CDATIPResponse[4] & 0xF0) >> 4);
decoded.DDCD = Convert.ToBoolean(CDATIPResponse[4] & 0x08);
decoded.ReferenceSpeed = (byte)(CDATIPResponse[4] & 0x07);
decoded.AlwaysZero = Convert.ToBoolean(CDATIPResponse[5] & 0x80);
decoded.URU = Convert.ToBoolean(CDATIPResponse[5] & 0x40);
decoded.Reserved3 = (byte)(CDATIPResponse[5] & 0x3F);
decoded.AlwaysOne = Convert.ToBoolean(CDATIPResponse[6] & 0x80);
decoded.DiscType = Convert.ToBoolean(CDATIPResponse[6] & 0x40);
decoded.DiscSubType = (byte)((CDATIPResponse[6] & 0x38) >> 3);
decoded.A1Valid = Convert.ToBoolean(CDATIPResponse[6] & 0x04);
decoded.A2Valid = Convert.ToBoolean(CDATIPResponse[6] & 0x02);
decoded.A3Valid = Convert.ToBoolean(CDATIPResponse[6] & 0x01);
decoded.Reserved4 = CDATIPResponse[7];
decoded.LeadInStartMin = CDATIPResponse[8];
decoded.LeadInStartSec = CDATIPResponse[9];
decoded.LeadInStartFrame = CDATIPResponse[10];
decoded.Reserved5 = CDATIPResponse[11];
decoded.LeadOutStartMin = CDATIPResponse[12];
decoded.LeadOutStartSec = CDATIPResponse[13];
decoded.LeadOutStartFrame = CDATIPResponse[14];
decoded.Reserved6 = CDATIPResponse[15];
decoded.A1Values = new byte[3];
decoded.A2Values = new byte[3];
decoded.A3Values = new byte[3];
decoded.S4Values = new byte[3];
Array.Copy(CDATIPResponse, 16, decoded.A1Values, 0, 3);
Array.Copy(CDATIPResponse, 20, decoded.A1Values, 0, 3);
Array.Copy(CDATIPResponse, 24, decoded.A1Values, 0, 3);
Array.Copy(CDATIPResponse, 28, decoded.A1Values, 0, 3);
decoded.Reserved7 = CDATIPResponse[19];
decoded.Reserved8 = CDATIPResponse[23];
decoded.Reserved9 = CDATIPResponse[27];
decoded.Reserved10 = CDATIPResponse[31];
return decoded;
}
public static string PrettifyCDATIP(CDATIP? CDATIPResponse)
{
if (CDATIPResponse == null)
return null;
CDATIP response = CDATIPResponse.Value;
StringBuilder sb = new StringBuilder();
if (response.DDCD)
{
sb.AppendFormat("Indicative Target Writing Power: 0x{0:X2}", response.ITWP).AppendLine();
if (response.DiscType)
sb.AppendLine("Disc is DDCD-RW");
else
sb.AppendLine("Disc is DDCD-R");
switch (response.ReferenceSpeed)
{
case 2:
sb.AppendLine("Reference speed is 4x");
break;
case 3:
sb.AppendLine("Reference speed is 8x");
break;
default:
sb.AppendFormat("Reference speed set is unknown: {0}", response.ReferenceSpeed).AppendLine();
break;
}
sb.AppendFormat("ATIP Start time of Lead-in: 0x{0:X6}", (response.LeadInStartMin << 16) + (response.LeadInStartSec << 8) + response.LeadInStartFrame).AppendLine();
sb.AppendFormat("ATIP Last possible start time of Lead-out: 0x{0:X6}", (response.LeadOutStartMin << 16) + (response.LeadOutStartSec << 8) + response.LeadOutStartFrame).AppendLine();
sb.AppendFormat("S4 value: 0x{0:X6}", (response.S4Values[0] << 16) + (response.S4Values[1] << 8) + response.S4Values[2]).AppendLine();
}
else
{
sb.AppendFormat("Indicative Target Writing Power: 0x{0:X2}", response.ITWP & 0x07).AppendLine();
if (response.DiscType)
{
switch (response.DiscSubType)
{
case 0:
sb.AppendLine("Disc is CD-RW");
break;
case 1:
sb.AppendLine("Disc is High-Speed CD-RW");
break;
default:
sb.AppendFormat("Unknown CD-RW disc subtype: {0}", response.DiscSubType).AppendLine();
break;
}
switch (response.ReferenceSpeed)
{
case 1:
sb.AppendLine("Reference speed is 2x");
break;
default:
sb.AppendFormat("Reference speed set is unknown: {0}", response.ReferenceSpeed).AppendLine();
break;
}
}
else
{
sb.AppendLine("Disc is CD-R");
switch (response.DiscSubType)
{
default:
sb.AppendFormat("Unknown CD-R disc subtype: {0}", response.DiscSubType).AppendLine();
break;
}
}
if (response.URU)
sb.AppendLine("Disc use is unrestricted");
else
sb.AppendLine("Disc use is restricted");
sb.AppendFormat("ATIP Start time of Lead-in: {0:X2}:{1:X2}:{2:X2}", response.LeadInStartMin, response.LeadInStartSec, response.LeadInStartFrame).AppendLine();
sb.AppendFormat("ATIP Last possible start time of Lead-out: {0:X2}:{1:X2}:{2:X2}", response.LeadOutStartMin, response.LeadOutStartSec, response.LeadOutStartFrame).AppendLine();
if(response.A1Valid)
sb.AppendFormat("A1 value: 0x{0:X6}", (response.A1Values[0] << 16) + (response.A1Values[1] << 8) + response.A1Values[2]).AppendLine();
if(response.A2Valid)
sb.AppendFormat("A2 value: 0x{0:X6}", (response.A2Values[0] << 16) + (response.A2Values[1] << 8) + response.A2Values[2]).AppendLine();
if(response.A3Valid)
sb.AppendFormat("A3 value: 0x{0:X6}", (response.A3Values[0] << 16) + (response.A3Values[1] << 8) + response.A3Values[2]).AppendLine();
sb.AppendFormat("S4 value: 0x{0:X6}", (response.S4Values[0] << 16) + (response.S4Values[1] << 8) + response.S4Values[2]).AppendLine();
}
return sb.ToString();
}
public static string PrettifyCDATIP(byte[] CDATIPResponse)
{
CDATIP? decoded = DecodeCDATIP(CDATIPResponse);
return PrettifyCDATIP(decoded);
}
}
}