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Added decoding of XGD2 and XGD3 DMI.

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Natalia Portillo
2015-12-03 08:02:12 +00:00
parent 2b0eeb383c
commit 565cc9c133
5 changed files with 229 additions and 0 deletions
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202
DiscImageChef.Decoders/Xbox/DMI.cs Normal file
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// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : DMI.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 System.Text;
namespace DiscImageChef.Decoders.Xbox
{
public static class DMI
{
public static bool IsXbox(byte[] dmi)
{
if (dmi == null)
return false;
if (dmi.Length != 2052)
return false;
// TODO: Need to implement it
return false;
}
public static bool IsXbox360(byte[] dmi)
{
if (dmi == null)
return false;
if (dmi.Length != 2052)
return false;
uint signature = BitConverter.ToUInt32(dmi, 0x7EC);
// "XBOX" swapped as .NET is little endian
return signature == 0x584F4258;
}
public struct Xbox360DMI
{
/// <summary>
/// Bytes 0 to 1
/// Data length
/// </summary>
public ushort DataLength;
/// <summary>
/// Byte 2
/// Reserved
/// </summary>
public byte Reserved1;
/// <summary>
/// Byte 3
/// Reserved
/// </summary>
public byte Reserved2;
/// <summary>
/// Bytes 4 to 7
/// 0x02 in XGD2 and XGD3
/// </summary>
public UInt32 Version;
/// <summary>
/// Bytes 20 to 27
/// DMI timestamp
/// </summary>
public Int64 Timestamp;
/// <summary>
/// Bytes 36 to 51
/// Media ID in hex XXXXXXXXXXXX-XXXXXXXX
/// </summary>
public byte[] MediaID;
/// <summary>
/// Bytes 68 to 83
/// Catalogue number in XX-XXXX-XX-XXY-XXX, Y not always exists
/// </summary>
public string CatalogNumber;
}
public static Xbox360DMI? DecodeXbox360(byte[] response)
{
bool isX360 = IsXbox360(response);
if (!isX360)
return null;
Xbox360DMI dmi = new Xbox360DMI();
dmi.DataLength = (ushort)((response[0] << 8) + response[1]);
dmi.Reserved1 = response[2];
dmi.Reserved2 = response[3];
dmi.Version = BitConverter.ToUInt32(response, 4);
dmi.Timestamp = BitConverter.ToInt64(response, 20);
dmi.MediaID = new byte[16];
Array.Copy(response, 36, dmi.MediaID, 0, 16);
byte[] tmp = new byte[16];
Array.Copy(response, 68, tmp, 0, 16);
dmi.CatalogNumber = StringHandlers.CToString(tmp);
if (dmi.CatalogNumber == null || dmi.CatalogNumber.Length < 13)
return null;
return dmi;
}
public static string PrettifyXbox360(Xbox360DMI? dmi)
{
if (dmi == null)
return null;
Xbox360DMI decoded = dmi.Value;
StringBuilder sb = new StringBuilder();
sb.Append("Catalogue number: ");
for (int i = 0; i < 2; i++)
sb.AppendFormat("{0}", decoded.CatalogNumber[i]);
sb.Append("-");
for (int i = 2; i < 6; i++)
sb.AppendFormat("{0}", decoded.CatalogNumber[i]);
sb.Append("-");
for (int i = 6; i < 8; i++)
sb.AppendFormat("{0}", decoded.CatalogNumber[i]);
sb.Append("-");
if(decoded.CatalogNumber.Length == 13)
{
for (int i = 8; i < 10; i++)
sb.AppendFormat("{0}", decoded.CatalogNumber[i]);
sb.Append("-");
for (int i = 10; i < 13; i++)
sb.AppendFormat("{0}", decoded.CatalogNumber[i]);
}
else if(decoded.CatalogNumber.Length == 14)
{
for (int i = 8; i < 11; i++)
sb.AppendFormat("{0}", decoded.CatalogNumber[i]);
sb.Append("-");
for (int i = 11; i < 14; i++)
sb.AppendFormat("{0}", decoded.CatalogNumber[i]);
}
else
{
for (int i = 8; i < decoded.CatalogNumber.Length - 3; i++)
sb.AppendFormat("{0}", decoded.CatalogNumber[i]);
sb.Append("-");
for (int i = decoded.CatalogNumber.Length - 3; i < decoded.CatalogNumber.Length; i++)
sb.AppendFormat("{0}", decoded.CatalogNumber[i]);
}
sb.AppendLine();
sb.Append("Media ID: ");
for(int i = 0; i < 12; i++)
sb.AppendFormat("{0:X2}", decoded.MediaID[i]);
sb.Append("-");
for(int i = 12; i < 16; i++)
sb.AppendFormat("{0:X2}", decoded.MediaID[i]);
sb.AppendLine();
sb.AppendFormat("Timestamp: {0}", DateTime.FromFileTimeUtc(decoded.Timestamp)).AppendLine();
return sb.ToString();
}
public static string PrettifyXbox360(byte[] response)
{
return PrettifyXbox360(DecodeXbox360(response));
}
}
}