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Aaru/DiscImageChef.DiscImages/CloneCD.cs

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2017-05-19 20:28:49 +01:00
// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : CloneCD.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Disc image plugins.
//
// --[ Description ] ----------------------------------------------------------
//
// Manages CloneCD disc images.
//
// --[ License ] --------------------------------------------------------------
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2018 Natalia Portillo
// ****************************************************************************/
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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
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using DiscImageChef.Checksums;
using DiscImageChef.CommonTypes;
using DiscImageChef.CommonTypes.Enums;
using DiscImageChef.CommonTypes.Exceptions;
using DiscImageChef.CommonTypes.Interfaces;
using DiscImageChef.CommonTypes.Structs;
using DiscImageChef.Console;
using DiscImageChef.Decoders.CD;
using DiscImageChef.Filters;
using Schemas;
using Session = DiscImageChef.CommonTypes.Structs.Session;
using TrackType = DiscImageChef.CommonTypes.Enums.TrackType;
namespace DiscImageChef.DiscImages
{
// TODO: CloneCD stores subchannel deinterleaved
public class CloneCd : IWritableImage
{
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const string CCD_IDENTIFIER = @"^\s*\[CloneCD\]";
const string DISC_IDENTIFIER = @"^\s*\[Disc\]";
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const string SESSION_IDENTIFIER = @"^\s*\[Session\s*(?<number>\d+)\]";
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const string ENTRY_IDENTIFIER = @"^\s*\[Entry\s*(?<number>\d+)\]";
const string TRACK_IDENTIFIER = @"^\s*\[TRACK\s*(?<number>\d+)\]";
const string CDTEXT_IDENTIFIER = @"^\s*\[CDText\]";
const string CCD_VERSION = @"^\s*Version\s*=\s*(?<value>\d+)";
const string DISC_ENTRIES = @"^\s*TocEntries\s*=\s*(?<value>\d+)";
const string DISC_SESSIONS = @"^\s*Sessions\s*=\s*(?<value>\d+)";
const string DISC_SCRAMBLED = @"^\s*DataTracksScrambled\s*=\s*(?<value>\d+)";
const string CDTEXT_LENGTH = @"^\s*CDTextLength\s*=\s*(?<value>\d+)";
const string DISC_CATALOG = @"^\s*CATALOG\s*=\s*(?<value>[\x21-\x7F]{13})";
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const string SESSION_PREGAP = @"^\s*PreGapMode\s*=\s*(?<value>\d+)";
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const string SESSION_SUBCHANNEL = @"^\s*PreGapSubC\s*=\s*(?<value>\d+)";
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const string ENTRY_SESSION = @"^\s*Session\s*=\s*(?<value>\d+)";
const string ENTRY_POINT = @"^\s*Point\s*=\s*(?<value>[\w+]+)";
const string ENTRY_ADR = @"^\s*ADR\s*=\s*(?<value>\w+)";
const string ENTRY_CONTROL = @"^\s*Control\s*=\s*(?<value>\w+)";
const string ENTRY_TRACKNO = @"^\s*TrackNo\s*=\s*(?<value>\d+)";
const string ENTRY_AMIN = @"^\s*AMin\s*=\s*(?<value>\d+)";
const string ENTRY_ASEC = @"^\s*ASec\s*=\s*(?<value>\d+)";
const string ENTRY_AFRAME = @"^\s*AFrame\s*=\s*(?<value>\d+)";
const string ENTRY_ALBA = @"^\s*ALBA\s*=\s*(?<value>-?\d+)";
const string ENTRY_ZERO = @"^\s*Zero\s*=\s*(?<value>\d+)";
const string ENTRY_PMIN = @"^\s*PMin\s*=\s*(?<value>\d+)";
const string ENTRY_PSEC = @"^\s*PSec\s*=\s*(?<value>\d+)";
const string ENTRY_PFRAME = @"^\s*PFrame\s*=\s*(?<value>\d+)";
const string ENTRY_PLBA = @"^\s*PLBA\s*=\s*(?<value>\d+)";
const string CDTEXT_ENTRIES = @"^\s*Entries\s*=\s*(?<value>\d+)";
const string CDTEXT_ENTRY = @"^\s*Entry\s*(?<number>\d+)\s*=\s*(?<value>([0-9a-fA-F]+\s*)+)";
string catalog; // TODO: Use it
IFilter ccdFilter;
byte[] cdtext;
StreamReader cueStream;
IFilter dataFilter;
Stream dataStream;
StreamWriter descriptorStream;
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byte[] fulltoc;
ImageInfo imageInfo;
Dictionary<uint, ulong> offsetmap;
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bool scrambled;
IFilter subFilter;
Stream subStream;
Dictionary<byte, byte> trackFlags;
string writingBaseName;
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public CloneCd()
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{
imageInfo = new ImageInfo
{
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ReadableSectorTags = new List<SectorTagType>(),
ReadableMediaTags = new List<MediaTagType>(),
HasPartitions = true,
HasSessions = true,
Version = null,
ApplicationVersion = null,
MediaTitle = null,
Creator = null,
MediaManufacturer = null,
MediaModel = null,
MediaPartNumber = null,
MediaSequence = 0,
LastMediaSequence = 0,
DriveManufacturer = null,
DriveModel = null,
DriveSerialNumber = null,
DriveFirmwareRevision = null
};
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}
public ImageInfo Info => imageInfo;
public string Name => "CloneCD";
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public Guid Id => new Guid("EE9C2975-2E79-427A-8EE9-F86F19165784");
public string Format => "CloneCD";
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public List<Partition> Partitions { get; private set; }
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public List<Track> Tracks { get; private set; }
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public List<Session> Sessions { get; private set; }
public bool Identify(IFilter imageFilter)
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{
ccdFilter = imageFilter;
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try
{
imageFilter.GetDataForkStream().Seek(0, SeekOrigin.Begin);
byte[] testArray = new byte[512];
imageFilter.GetDataForkStream().Read(testArray, 0, 512);
imageFilter.GetDataForkStream().Seek(0, SeekOrigin.Begin);
// Check for unexpected control characters that shouldn't be present in a text file and can crash this plugin
bool twoConsecutiveNulls = false;
for(int i = 0; i < 512; i++)
{
if(i >= imageFilter.GetDataForkStream().Length) break;
if(testArray[i] == 0)
{
if(twoConsecutiveNulls) return false;
twoConsecutiveNulls = true;
}
else twoConsecutiveNulls = false;
if(testArray[i] < 0x20 && testArray[i] != 0x0A && testArray[i] != 0x0D && testArray[i] != 0x00)
return false;
}
cueStream = new StreamReader(ccdFilter.GetDataForkStream());
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string line = cueStream.ReadLine();
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Regex hdr = new Regex(CCD_IDENTIFIER);
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Match hdm = hdr.Match(line ?? throw new InvalidOperationException());
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return hdm.Success;
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}
catch(Exception ex)
{
DicConsole.ErrorWriteLine("Exception trying to identify image file {0}", ccdFilter);
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DicConsole.ErrorWriteLine("Exception: {0}", ex.Message);
DicConsole.ErrorWriteLine("Stack trace: {0}", ex.StackTrace);
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return false;
}
}
public bool Open(IFilter imageFilter)
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{
if(imageFilter == null) return false;
ccdFilter = imageFilter;
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try
{
imageFilter.GetDataForkStream().Seek(0, SeekOrigin.Begin);
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cueStream = new StreamReader(imageFilter.GetDataForkStream());
int lineNumber = 0;
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Regex ccdIdRegex = new Regex(CCD_IDENTIFIER);
Regex discIdRegex = new Regex(DISC_IDENTIFIER);
Regex sessIdRegex = new Regex(SESSION_IDENTIFIER);
Regex entryIdRegex = new Regex(ENTRY_IDENTIFIER);
Regex trackIdRegex = new Regex(TRACK_IDENTIFIER);
Regex cdtIdRegex = new Regex(CDTEXT_IDENTIFIER);
Regex ccdVerRegex = new Regex(CCD_VERSION);
Regex discEntRegex = new Regex(DISC_ENTRIES);
Regex discSessRegex = new Regex(DISC_SESSIONS);
Regex discScrRegex = new Regex(DISC_SCRAMBLED);
Regex cdtLenRegex = new Regex(CDTEXT_LENGTH);
Regex discCatRegex = new Regex(DISC_CATALOG);
Regex sessPregRegex = new Regex(SESSION_PREGAP);
Regex sessSubcRegex = new Regex(SESSION_SUBCHANNEL);
Regex entSessRegex = new Regex(ENTRY_SESSION);
Regex entPointRegex = new Regex(ENTRY_POINT);
Regex entAdrRegex = new Regex(ENTRY_ADR);
Regex entCtrlRegex = new Regex(ENTRY_CONTROL);
Regex entTnoRegex = new Regex(ENTRY_TRACKNO);
Regex entAMinRegex = new Regex(ENTRY_AMIN);
Regex entASecRegex = new Regex(ENTRY_ASEC);
Regex entAFrameRegex = new Regex(ENTRY_AFRAME);
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Regex entAlbaRegex = new Regex(ENTRY_ALBA);
Regex entZeroRegex = new Regex(ENTRY_ZERO);
Regex entPMinRegex = new Regex(ENTRY_PMIN);
Regex entPSecRegex = new Regex(ENTRY_PSEC);
Regex entPFrameRegex = new Regex(ENTRY_PFRAME);
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Regex entPlbaRegex = new Regex(ENTRY_PLBA);
Regex cdtEntsRegex = new Regex(CDTEXT_ENTRIES);
Regex cdtEntRegex = new Regex(CDTEXT_ENTRY);
bool inCcd = false;
bool inDisk = false;
bool inSession = false;
bool inEntry = false;
bool inTrack = false;
bool inCdText = false;
MemoryStream cdtMs = new MemoryStream();
int minSession = int.MaxValue;
int maxSession = int.MinValue;
FullTOC.TrackDataDescriptor currentEntry = new FullTOC.TrackDataDescriptor();
List<FullTOC.TrackDataDescriptor> entries = new List<FullTOC.TrackDataDescriptor>();
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scrambled = false;
catalog = null;
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while(cueStream.Peek() >= 0)
{
lineNumber++;
string line = cueStream.ReadLine();
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Match ccdIdMatch = ccdIdRegex.Match(line);
Match discIdMatch = discIdRegex.Match(line);
Match sessIdMatch = sessIdRegex.Match(line);
Match entryIdMatch = entryIdRegex.Match(line);
Match trackIdMatch = trackIdRegex.Match(line);
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Match cdtIdMatch = cdtIdRegex.Match(line);
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// [CloneCD]
if(ccdIdMatch.Success)
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{
if(inDisk || inSession || inEntry || inTrack || inCdText)
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throw new
FeatureUnsupportedImageException($"Found [CloneCD] out of order in line {lineNumber}");
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inCcd = true;
inDisk = false;
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inSession = false;
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inEntry = false;
inTrack = false;
inCdText = false;
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}
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else if(discIdMatch.Success || sessIdMatch.Success || entryIdMatch.Success ||
trackIdMatch.Success || cdtIdMatch.Success)
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{
if(inEntry)
{
entries.Add(currentEntry);
currentEntry = new FullTOC.TrackDataDescriptor();
}
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inCcd = false;
inDisk = discIdMatch.Success;
inSession = sessIdMatch.Success;
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inEntry = entryIdMatch.Success;
inTrack = trackIdMatch.Success;
inCdText = cdtIdMatch.Success;
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}
else
{
if(inCcd)
{
Match ccdVerMatch = ccdVerRegex.Match(line);
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if(!ccdVerMatch.Success) continue;
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DicConsole.DebugWriteLine("CloneCD plugin", "Found Version at line {0}", lineNumber);
imageInfo.Version = ccdVerMatch.Groups["value"].Value;
if(imageInfo.Version != "2" && imageInfo.Version != "3")
DicConsole
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.ErrorWriteLine("(CloneCD plugin): Warning! Unknown CCD image version {0}, may not work!",
imageInfo.Version);
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}
else if(inDisk)
{
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Match discEntMatch = discEntRegex.Match(line);
Match discSessMatch = discSessRegex.Match(line);
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Match discScrMatch = discScrRegex.Match(line);
Match cdtLenMatch = cdtLenRegex.Match(line);
Match discCatMatch = discCatRegex.Match(line);
if(discEntMatch.Success)
DicConsole.DebugWriteLine("CloneCD plugin", "Found TocEntries at line {0}", lineNumber);
else if(discSessMatch.Success)
DicConsole.DebugWriteLine("CloneCD plugin", "Found Sessions at line {0}", lineNumber);
else if(discScrMatch.Success)
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{
DicConsole.DebugWriteLine("CloneCD plugin", "Found DataTracksScrambled at line {0}",
lineNumber);
scrambled |= discScrMatch.Groups["value"].Value == "1";
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}
else if(cdtLenMatch.Success)
DicConsole.DebugWriteLine("CloneCD plugin", "Found CDTextLength at line {0}",
lineNumber);
else if(discCatMatch.Success)
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{
DicConsole.DebugWriteLine("CloneCD plugin", "Found Catalog at line {0}", lineNumber);
catalog = discCatMatch.Groups["value"].Value;
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}
}
// TODO: Do not suppose here entries come sorted
else if(inCdText)
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{
Match cdtEntsMatch = cdtEntsRegex.Match(line);
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Match cdtEntMatch = cdtEntRegex.Match(line);
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if(cdtEntsMatch.Success)
DicConsole.DebugWriteLine("CloneCD plugin", "Found CD-Text Entries at line {0}",
lineNumber);
else if(cdtEntMatch.Success)
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{
DicConsole.DebugWriteLine("CloneCD plugin", "Found CD-Text Entry at line {0}",
lineNumber);
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string[] bytes = cdtEntMatch.Groups["value"].Value.Split(new[] {' '},
StringSplitOptions
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.RemoveEmptyEntries);
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foreach(string byt in bytes) cdtMs.WriteByte(Convert.ToByte(byt, 16));
}
}
// Is this useful?
else if(inSession)
{
Match sessPregMatch = sessPregRegex.Match(line);
Match sessSubcMatch = sessSubcRegex.Match(line);
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if(sessPregMatch.Success)
DicConsole.DebugWriteLine("CloneCD plugin", "Found PreGapMode at line {0}", lineNumber);
else if(sessSubcMatch.Success)
DicConsole.DebugWriteLine("CloneCD plugin", "Found PreGapSubC at line {0}", lineNumber);
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}
else if(inEntry)
{
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Match entSessMatch = entSessRegex.Match(line);
Match entPointMatch = entPointRegex.Match(line);
Match entAdrMatch = entAdrRegex.Match(line);
Match entCtrlMatch = entCtrlRegex.Match(line);
Match entTnoMatch = entTnoRegex.Match(line);
Match entAMinMatch = entAMinRegex.Match(line);
Match entASecMatch = entASecRegex.Match(line);
Match entAFrameMatch = entAFrameRegex.Match(line);
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Match entAlbaMatch = entAlbaRegex.Match(line);
Match entZeroMatch = entZeroRegex.Match(line);
Match entPMinMatch = entPMinRegex.Match(line);
Match entPSecMatch = entPSecRegex.Match(line);
Match entPFrameMatch = entPFrameRegex.Match(line);
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Match entPlbaMatch = entPlbaRegex.Match(line);
if(entSessMatch.Success)
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{
DicConsole.DebugWriteLine("CloneCD plugin", "Found Session at line {0}", lineNumber);
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currentEntry.SessionNumber = Convert.ToByte(entSessMatch.Groups["value"].Value, 10);
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if(currentEntry.SessionNumber < minSession) minSession = currentEntry.SessionNumber;
if(currentEntry.SessionNumber > maxSession) maxSession = currentEntry.SessionNumber;
}
else if(entPointMatch.Success)
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{
DicConsole.DebugWriteLine("CloneCD plugin", "Found Point at line {0}", lineNumber);
currentEntry.POINT = Convert.ToByte(entPointMatch.Groups["value"].Value, 16);
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}
else if(entAdrMatch.Success)
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{
DicConsole.DebugWriteLine("CloneCD plugin", "Found ADR at line {0}", lineNumber);
currentEntry.ADR = Convert.ToByte(entAdrMatch.Groups["value"].Value, 16);
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}
else if(entCtrlMatch.Success)
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{
DicConsole.DebugWriteLine("CloneCD plugin", "Found Control at line {0}", lineNumber);
currentEntry.CONTROL = Convert.ToByte(entCtrlMatch.Groups["value"].Value, 16);
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}
else if(entTnoMatch.Success)
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{
DicConsole.DebugWriteLine("CloneCD plugin", "Found TrackNo at line {0}", lineNumber);
currentEntry.TNO = Convert.ToByte(entTnoMatch.Groups["value"].Value, 10);
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}
else if(entAMinMatch.Success)
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{
DicConsole.DebugWriteLine("CloneCD plugin", "Found AMin at line {0}", lineNumber);
currentEntry.Min = Convert.ToByte(entAMinMatch.Groups["value"].Value, 10);
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}
else if(entASecMatch.Success)
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{
DicConsole.DebugWriteLine("CloneCD plugin", "Found ASec at line {0}", lineNumber);
currentEntry.Sec = Convert.ToByte(entASecMatch.Groups["value"].Value, 10);
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}
else if(entAFrameMatch.Success)
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{
DicConsole.DebugWriteLine("CloneCD plugin", "Found AFrame at line {0}", lineNumber);
currentEntry.Frame = Convert.ToByte(entAFrameMatch.Groups["value"].Value, 10);
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}
else if(entAlbaMatch.Success)
DicConsole.DebugWriteLine("CloneCD plugin", "Found ALBA at line {0}", lineNumber);
else if(entZeroMatch.Success)
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{
DicConsole.DebugWriteLine("CloneCD plugin", "Found Zero at line {0}", lineNumber);
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currentEntry.Zero = Convert.ToByte(entZeroMatch.Groups["value"].Value, 10);
currentEntry.HOUR = (byte)((currentEntry.Zero & 0xF0) >> 4);
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currentEntry.PHOUR = (byte)(currentEntry.Zero & 0x0F);
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}
else if(entPMinMatch.Success)
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{
DicConsole.DebugWriteLine("CloneCD plugin", "Found PMin at line {0}", lineNumber);
currentEntry.PMIN = Convert.ToByte(entPMinMatch.Groups["value"].Value, 10);
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}
else if(entPSecMatch.Success)
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{
DicConsole.DebugWriteLine("CloneCD plugin", "Found PSec at line {0}", lineNumber);
currentEntry.PSEC = Convert.ToByte(entPSecMatch.Groups["value"].Value, 10);
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}
else if(entPFrameMatch.Success)
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{
DicConsole.DebugWriteLine("CloneCD plugin", "Found PFrame at line {0}", lineNumber);
currentEntry.PFRAME = Convert.ToByte(entPFrameMatch.Groups["value"].Value, 10);
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}
else if(entPlbaMatch.Success)
DicConsole.DebugWriteLine("CloneCD plugin", "Found PLBA at line {0}", lineNumber);
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}
}
}
if(inEntry) entries.Add(currentEntry);
if(entries.Count == 0) throw new FeatureUnsupportedImageException("Did not find any track.");
FullTOC.CDFullTOC toc;
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toc.TrackDescriptors = entries.ToArray();
toc.LastCompleteSession = (byte)maxSession;
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toc.FirstCompleteSession = (byte)minSession;
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toc.DataLength = (ushort)(entries.Count * 11 + 2);
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MemoryStream tocMs = new MemoryStream();
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tocMs.Write(BigEndianBitConverter.GetBytes(toc.DataLength), 0, 2);
tocMs.WriteByte(toc.FirstCompleteSession);
tocMs.WriteByte(toc.LastCompleteSession);
foreach(FullTOC.TrackDataDescriptor descriptor in toc.TrackDescriptors)
{
tocMs.WriteByte(descriptor.SessionNumber);
tocMs.WriteByte((byte)((descriptor.ADR << 4) + descriptor.CONTROL));
tocMs.WriteByte(descriptor.TNO);
tocMs.WriteByte(descriptor.POINT);
tocMs.WriteByte(descriptor.Min);
tocMs.WriteByte(descriptor.Sec);
tocMs.WriteByte(descriptor.Frame);
tocMs.WriteByte(descriptor.Zero);
tocMs.WriteByte(descriptor.PMIN);
tocMs.WriteByte(descriptor.PSEC);
tocMs.WriteByte(descriptor.PFRAME);
}
fulltoc = tocMs.ToArray();
imageInfo.ReadableMediaTags.Add(MediaTagType.CD_FullTOC);
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DicConsole.DebugWriteLine("CloneCD plugin", "{0}", FullTOC.Prettify(toc));
string dataFile = Path.GetFileNameWithoutExtension(imageFilter.GetBasePath()) + ".img";
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string subFile = Path.GetFileNameWithoutExtension(imageFilter.GetBasePath()) + ".sub";
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FiltersList filtersList = new FiltersList();
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dataFilter = filtersList.GetFilter(dataFile);
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if(dataFilter == null) throw new Exception("Cannot open data file");
filtersList = new FiltersList();
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subFilter = filtersList.GetFilter(subFile);
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int curSessionNo = 0;
Track currentTrack = new Track();
bool firstTrackInSession = true;
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Tracks = new List<Track>();
ulong leadOutStart = 0;
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dataStream = dataFilter.GetDataForkStream();
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if(subFilter != null) subStream = subFilter.GetDataForkStream();
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trackFlags = new Dictionary<byte, byte>();
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foreach(FullTOC.TrackDataDescriptor descriptor in entries)
{
if(descriptor.SessionNumber > curSessionNo)
{
curSessionNo = descriptor.SessionNumber;
if(!firstTrackInSession)
{
currentTrack.TrackEndSector = leadOutStart - 1;
2018-01-01 21:32:12 +00:00
Tracks.Add(currentTrack);
2017-12-19 20:33:03 +00:00
}
2018-01-01 21:32:12 +00:00
2017-12-19 20:33:03 +00:00
firstTrackInSession = true;
}
switch(descriptor.ADR)
{
case 1:
case 4:
switch(descriptor.POINT)
{
case 0xA0:
byte discType = descriptor.PSEC;
2017-12-19 20:33:03 +00:00
DicConsole.DebugWriteLine("CloneCD plugin", "Disc Type: {0}", discType);
break;
case 0xA2:
leadOutStart = GetLba(descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME);
2017-12-19 20:33:03 +00:00
break;
default:
if(descriptor.POINT >= 0x01 && descriptor.POINT <= 0x63)
{
if(!firstTrackInSession)
{
currentTrack.TrackEndSector =
GetLba(descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME) - 1;
2018-01-01 21:32:12 +00:00
Tracks.Add(currentTrack);
2017-12-19 20:33:03 +00:00
}
else firstTrackInSession = false;
currentTrack = new Track
{
2018-01-01 21:32:12 +00:00
TrackBytesPerSector = 2352,
TrackFile = dataFilter.GetFilename(),
TrackFileType = scrambled ? "SCRAMBLED" : "BINARY",
TrackFilter = dataFilter,
TrackRawBytesPerSector = 2352,
2018-01-01 21:32:12 +00:00
TrackSequence = descriptor.POINT,
2018-06-22 08:08:38 +01:00
TrackStartSector =
GetLba(descriptor.PMIN, descriptor.PSEC, descriptor.PFRAME),
TrackSession = descriptor.SessionNumber
};
2017-12-19 20:33:03 +00:00
currentTrack.TrackFileOffset = currentTrack.TrackStartSector * 2352;
// Need to check exact data type later
if((TocControl)(descriptor.CONTROL & 0x0D) == TocControl.DataTrack ||
(TocControl)(descriptor.CONTROL & 0x0D) == TocControl.DataTrackIncremental)
2018-01-01 21:32:12 +00:00
currentTrack.TrackType = TrackType.Data;
2017-12-19 20:33:03 +00:00
else currentTrack.TrackType = TrackType.Audio;
2018-01-01 21:32:12 +00:00
if(!trackFlags.ContainsKey(descriptor.POINT))
trackFlags.Add(descriptor.POINT, descriptor.CONTROL);
2017-12-19 20:33:03 +00:00
if(subFilter != null)
{
2018-01-01 21:32:12 +00:00
currentTrack.TrackSubchannelFile = subFilter.GetFilename();
2017-12-19 20:33:03 +00:00
currentTrack.TrackSubchannelFilter = subFilter;
currentTrack.TrackSubchannelOffset = currentTrack.TrackStartSector * 96;
2018-01-01 21:32:12 +00:00
currentTrack.TrackSubchannelType = TrackSubchannelType.Raw;
2017-12-19 20:33:03 +00:00
}
else currentTrack.TrackSubchannelType = TrackSubchannelType.None;
if(currentTrack.TrackType == TrackType.Data)
{
byte[] syncTest = new byte[12];
byte[] sectTest = new byte[2352];
dataStream.Seek((long)currentTrack.TrackFileOffset, SeekOrigin.Begin);
dataStream.Read(sectTest, 0, 2352);
Array.Copy(sectTest, 0, syncTest, 0, 12);
if(Sector.SyncMark.SequenceEqual(syncTest))
{
if(scrambled) sectTest = Sector.Scramble(sectTest);
if(sectTest[15] == 1)
{
currentTrack.TrackBytesPerSector = 2048;
2018-01-01 21:32:12 +00:00
currentTrack.TrackType = TrackType.CdMode1;
if(!imageInfo.ReadableSectorTags
.Contains(SectorTagType.CdSectorSync))
imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorSync);
if(!imageInfo.ReadableSectorTags.Contains(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorHeader))
imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorHeader);
if(!imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorEcc)
) imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorEcc);
if(!imageInfo.ReadableSectorTags
.Contains(SectorTagType.CdSectorEccP))
imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorEccP);
if(!imageInfo.ReadableSectorTags
.Contains(SectorTagType.CdSectorEccQ))
imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorEccQ);
if(!imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorEdc)
) imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorEdc);
if(imageInfo.SectorSize < 2048) imageInfo.SectorSize = 2048;
2017-12-19 20:33:03 +00:00
}
else if(sectTest[15] == 2)
{
byte[] subHdr1 = new byte[4];
byte[] subHdr2 = new byte[4];
2018-01-01 21:32:12 +00:00
byte[] empHdr = new byte[4];
2017-12-19 20:33:03 +00:00
Array.Copy(sectTest, 16, subHdr1, 0, 4);
Array.Copy(sectTest, 20, subHdr2, 0, 4);
if(subHdr1.SequenceEqual(subHdr2) && !empHdr.SequenceEqual(subHdr1))
if((subHdr1[2] & 0x20) == 0x20)
{
currentTrack.TrackBytesPerSector = 2324;
2018-01-01 21:32:12 +00:00
currentTrack.TrackType = TrackType.CdMode2Form2;
if(!imageInfo.ReadableSectorTags.Contains(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorSync))
imageInfo.ReadableSectorTags.Add(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorSync);
if(!imageInfo.ReadableSectorTags.Contains(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorHeader)
2017-12-19 20:33:03 +00:00
)
imageInfo.ReadableSectorTags.Add(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorHeader);
if(!imageInfo.ReadableSectorTags.Contains(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorSubHeader)
2017-12-19 20:33:03 +00:00
)
imageInfo.ReadableSectorTags.Add(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorSubHeader);
if(!imageInfo.ReadableSectorTags.Contains(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorEdc))
imageInfo.ReadableSectorTags.Add(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorEdc);
if(imageInfo.SectorSize < 2324) imageInfo.SectorSize = 2324;
2017-12-19 20:33:03 +00:00
}
else
{
currentTrack.TrackBytesPerSector = 2048;
2018-01-01 21:32:12 +00:00
currentTrack.TrackType = TrackType.CdMode2Form1;
if(!imageInfo.ReadableSectorTags.Contains(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorSync))
imageInfo.ReadableSectorTags.Add(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorSync);
if(!imageInfo.ReadableSectorTags.Contains(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorHeader)
2017-12-19 20:33:03 +00:00
)
imageInfo.ReadableSectorTags.Add(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorHeader);
if(!imageInfo.ReadableSectorTags.Contains(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorSubHeader)
2017-12-19 20:33:03 +00:00
)
imageInfo.ReadableSectorTags.Add(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorSubHeader);
if(!imageInfo.ReadableSectorTags.Contains(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorEcc))
imageInfo.ReadableSectorTags.Add(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorEcc);
if(!imageInfo.ReadableSectorTags.Contains(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorEccP))
imageInfo.ReadableSectorTags.Add(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorEccP);
if(!imageInfo.ReadableSectorTags.Contains(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorEccQ))
imageInfo.ReadableSectorTags.Add(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorEccQ);
if(!imageInfo.ReadableSectorTags.Contains(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorEdc))
imageInfo.ReadableSectorTags.Add(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorEdc);
if(imageInfo.SectorSize < 2048) imageInfo.SectorSize = 2048;
2017-12-19 20:33:03 +00:00
}
else
{
currentTrack.TrackBytesPerSector = 2336;
2018-01-01 21:32:12 +00:00
currentTrack.TrackType = TrackType.CdMode2Formless;
if(!imageInfo.ReadableSectorTags.Contains(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorSync))
imageInfo.ReadableSectorTags
.Add(SectorTagType.CdSectorSync);
if(!imageInfo.ReadableSectorTags.Contains(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorHeader))
imageInfo.ReadableSectorTags.Add(SectorTagType
2018-01-01 21:32:12 +00:00
.CdSectorHeader);
if(imageInfo.SectorSize < 2336) imageInfo.SectorSize = 2336;
2017-12-19 20:33:03 +00:00
}
}
}
}
2018-01-01 21:32:12 +00:00
else
{
if(imageInfo.SectorSize < 2352) imageInfo.SectorSize = 2352;
}
2017-12-19 20:33:03 +00:00
}
2018-01-01 21:32:12 +00:00
2017-12-19 20:33:03 +00:00
break;
}
break;
case 5:
switch(descriptor.POINT)
{
case 0xC0:
if(descriptor.PMIN == 97)
{
int type = descriptor.PFRAME % 10;
2018-01-01 21:32:12 +00:00
int frm = descriptor.PFRAME - type;
2017-12-19 20:33:03 +00:00
imageInfo.MediaManufacturer = ATIP.ManufacturerFromATIP(descriptor.PSEC, frm);
2017-12-19 20:33:03 +00:00
if(imageInfo.MediaManufacturer != "")
2017-12-19 20:33:03 +00:00
DicConsole.DebugWriteLine("CloneCD plugin", "Disc manufactured by: {0}",
imageInfo.MediaManufacturer);
2017-12-19 20:33:03 +00:00
}
2018-01-01 21:32:12 +00:00
2017-12-19 20:33:03 +00:00
break;
}
break;
case 6:
{
uint id = (uint)((descriptor.Min << 16) + (descriptor.Sec << 8) + descriptor.Frame);
DicConsole.DebugWriteLine("CloneCD plugin", "Disc ID: {0:X6}", id & 0x00FFFFFF);
2018-01-01 21:32:12 +00:00
imageInfo.MediaSerialNumber = $"{id & 0x00FFFFFF:X6}";
2017-12-19 20:33:03 +00:00
break;
}
}
}
if(!firstTrackInSession)
{
currentTrack.TrackEndSector = leadOutStart - 1;
2018-01-01 21:32:12 +00:00
Tracks.Add(currentTrack);
2017-12-19 20:33:03 +00:00
}
if(subFilter != null && !imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorSubchannel))
imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorSubchannel);
2017-12-19 20:33:03 +00:00
2018-01-01 21:32:12 +00:00
imageInfo.ReadableSectorTags.Add(SectorTagType.CdTrackFlags);
2018-06-22 08:08:38 +01:00
Sessions = new List<Session>();
Session currentSession = new Session
{
2018-01-01 21:32:12 +00:00
EndTrack = uint.MinValue,
StartTrack = uint.MaxValue,
SessionSequence = 1
};
2018-01-01 21:32:12 +00:00
Partitions = new List<Partition>();
offsetmap = new Dictionary<uint, ulong>();
2017-12-19 20:33:03 +00:00
2018-01-01 21:32:12 +00:00
foreach(Track track in Tracks)
2017-12-19 20:33:03 +00:00
{
if(track.TrackSession == currentSession.SessionSequence)
{
if(track.TrackSequence > currentSession.EndTrack)
{
currentSession.EndSector = track.TrackEndSector;
2018-01-01 21:32:12 +00:00
currentSession.EndTrack = track.TrackSequence;
2017-12-19 20:33:03 +00:00
}
if(track.TrackSequence < currentSession.StartTrack)
{
currentSession.StartSector = track.TrackStartSector;
2018-01-01 21:32:12 +00:00
currentSession.StartTrack = track.TrackSequence;
2017-12-19 20:33:03 +00:00
}
}
else
{
2018-01-01 21:32:12 +00:00
Sessions.Add(currentSession);
currentSession = new Session
{
2018-01-01 21:32:12 +00:00
EndTrack = uint.MinValue,
StartTrack = uint.MaxValue,
SessionSequence = track.TrackSession
};
2017-12-19 20:33:03 +00:00
}
Partition partition = new Partition
{
Description = track.TrackDescription,
2018-06-22 08:08:38 +01:00
Size =
(track.TrackEndSector - track.TrackStartSector + 1) * (ulong)track.TrackRawBytesPerSector,
2018-01-01 21:32:12 +00:00
Length = track.TrackEndSector - track.TrackStartSector + 1,
Sequence = track.TrackSequence,
2018-01-01 21:32:12 +00:00
Offset = track.TrackFileOffset,
Start = track.TrackStartSector,
Type = track.TrackType.ToString()
};
imageInfo.Sectors += partition.Length;
2018-01-01 21:32:12 +00:00
Partitions.Add(partition);
2017-12-19 20:33:03 +00:00
offsetmap.Add(track.TrackSequence, track.TrackStartSector);
}
2018-01-01 21:32:12 +00:00
bool data = false;
bool mode2 = false;
2017-12-19 20:33:03 +00:00
bool firstaudio = false;
2018-01-01 21:32:12 +00:00
bool firstdata = false;
bool audio = false;
2017-12-19 20:33:03 +00:00
2018-01-01 21:32:12 +00:00
for(int i = 0; i < Tracks.Count; i++)
2017-12-19 20:33:03 +00:00
{
// First track is audio
2018-01-01 21:32:12 +00:00
firstaudio |= i == 0 && Tracks[i].TrackType == TrackType.Audio;
2017-12-19 20:33:03 +00:00
// First track is data
2018-01-01 21:32:12 +00:00
firstdata |= i == 0 && Tracks[i].TrackType != TrackType.Audio;
2017-12-19 20:33:03 +00:00
// Any non first track is data
2018-01-01 21:32:12 +00:00
data |= i != 0 && Tracks[i].TrackType != TrackType.Audio;
2017-12-19 20:33:03 +00:00
// Any non first track is audio
2018-01-01 21:32:12 +00:00
audio |= i != 0 && Tracks[i].TrackType == TrackType.Audio;
2017-12-19 20:33:03 +00:00
2018-01-01 21:32:12 +00:00
switch(Tracks[i].TrackType)
2017-12-19 20:33:03 +00:00
{
case TrackType.CdMode2Form1:
case TrackType.CdMode2Form2:
case TrackType.CdMode2Formless:
2017-12-19 20:33:03 +00:00
mode2 = true;
break;
}
}
// TODO: Check format
cdtext = cdtMs.ToArray();
2018-06-22 08:08:38 +01:00
if(!data && !firstdata) imageInfo.MediaType = MediaType.CDDA;
else if(firstaudio && data && Sessions.Count > 1 && mode2) imageInfo.MediaType = MediaType.CDPLUS;
else if(firstdata && audio || mode2) imageInfo.MediaType = MediaType.CDROMXA;
else if(!audio) imageInfo.MediaType = MediaType.CDROM;
else imageInfo.MediaType = MediaType.CD;
2018-01-01 21:32:12 +00:00
imageInfo.Application = "CloneCD";
imageInfo.ImageSize = (ulong)imageFilter.GetDataForkLength();
imageInfo.CreationTime = imageFilter.GetCreationTime();
imageInfo.LastModificationTime = imageFilter.GetLastWriteTime();
2018-01-01 21:32:12 +00:00
imageInfo.XmlMediaType = XmlMediaType.OpticalDisc;
2017-12-19 20:33:03 +00:00
return true;
}
catch(Exception ex)
{
DicConsole.ErrorWriteLine("Exception trying to identify image file {0}", imageFilter.GetFilename());
2018-01-01 21:32:12 +00:00
DicConsole.ErrorWriteLine("Exception: {0}", ex.Message);
DicConsole.ErrorWriteLine("Stack trace: {0}", ex.StackTrace);
2017-12-19 20:33:03 +00:00
return false;
}
}
public byte[] ReadDiskTag(MediaTagType tag)
2017-12-19 20:33:03 +00:00
{
switch(tag)
{
2018-01-01 21:32:12 +00:00
case MediaTagType.CD_FullTOC: { return fulltoc; }
2017-12-19 20:33:03 +00:00
case MediaTagType.CD_TEXT:
{
if(cdtext != null && cdtext.Length > 0) return cdtext;
throw new FeatureNotPresentImageException("Image does not contain CD-TEXT information.");
}
default:
throw new FeatureSupportedButNotImplementedImageException("Feature not supported by image format");
}
}
public byte[] ReadSector(ulong sectorAddress)
2017-12-19 20:33:03 +00:00
{
return ReadSectors(sectorAddress, 1);
}
public byte[] ReadSectorTag(ulong sectorAddress, SectorTagType tag)
2017-12-19 20:33:03 +00:00
{
return ReadSectorsTag(sectorAddress, 1, tag);
}
public byte[] ReadSector(ulong sectorAddress, uint track)
2017-12-19 20:33:03 +00:00
{
return ReadSectors(sectorAddress, 1, track);
}
public byte[] ReadSectorTag(ulong sectorAddress, uint track, SectorTagType tag)
2017-12-19 20:33:03 +00:00
{
return ReadSectorsTag(sectorAddress, 1, track, tag);
}
public byte[] ReadSectors(ulong sectorAddress, uint length)
2017-12-19 20:33:03 +00:00
{
foreach(KeyValuePair<uint, ulong> kvp in from kvp in offsetmap
where sectorAddress >= kvp.Value
2018-01-01 21:32:12 +00:00
from track in Tracks
where track.TrackSequence == kvp.Key
2018-01-01 21:32:12 +00:00
where sectorAddress <= track.TrackEndSector
select kvp)
return ReadSectors(sectorAddress - kvp.Value, length, kvp.Key);
2017-12-19 20:33:03 +00:00
throw new ArgumentOutOfRangeException(nameof(sectorAddress), $"Sector address {sectorAddress} not found");
2017-12-19 20:33:03 +00:00
}
public byte[] ReadSectorsTag(ulong sectorAddress, uint length, SectorTagType tag)
2017-12-19 20:33:03 +00:00
{
foreach(KeyValuePair<uint, ulong> kvp in from kvp in offsetmap
where sectorAddress >= kvp.Value
2018-01-01 21:32:12 +00:00
from track in Tracks
where track.TrackSequence == kvp.Key
2018-01-01 21:32:12 +00:00
where sectorAddress <= track.TrackEndSector
select kvp)
return ReadSectorsTag(sectorAddress - kvp.Value, length, kvp.Key, tag);
2017-12-19 20:33:03 +00:00
throw new ArgumentOutOfRangeException(nameof(sectorAddress), $"Sector address {sectorAddress} not found");
2017-12-19 20:33:03 +00:00
}
public byte[] ReadSectors(ulong sectorAddress, uint length, uint track)
2017-12-19 20:33:03 +00:00
{
Track dicTrack = new Track {TrackSequence = 0};
2017-12-19 20:33:03 +00:00
2018-01-01 21:32:12 +00:00
foreach(Track linqTrack in Tracks.Where(linqTrack => linqTrack.TrackSequence == track))
{
dicTrack = linqTrack;
break;
}
2017-12-19 20:33:03 +00:00
if(dicTrack.TrackSequence == 0)
2017-12-19 20:33:03 +00:00
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
if(length + sectorAddress - 1 > dicTrack.TrackEndSector)
2017-12-19 20:33:03 +00:00
throw new ArgumentOutOfRangeException(nameof(length),
string
2018-01-01 21:32:12 +00:00
.Format("Requested more sectors ({0} {2}) than present in track ({1}), won't cross tracks",
length + sectorAddress, dicTrack.TrackEndSector,
sectorAddress));
2017-12-19 20:33:03 +00:00
uint sectorOffset;
uint sectorSize;
uint sectorSkip;
2017-12-19 20:33:03 +00:00
switch(dicTrack.TrackType)
2017-12-19 20:33:03 +00:00
{
case TrackType.Audio:
{
sectorOffset = 0;
2018-01-01 21:32:12 +00:00
sectorSize = 2352;
sectorSkip = 0;
2017-12-19 20:33:03 +00:00
break;
}
case TrackType.CdMode1:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 16;
2018-01-01 21:32:12 +00:00
sectorSize = 2048;
sectorSkip = 288;
2017-12-19 20:33:03 +00:00
break;
}
case TrackType.CdMode2Formless:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 16;
2018-01-01 21:32:12 +00:00
sectorSize = 2336;
sectorSkip = 0;
2017-12-19 20:33:03 +00:00
break;
}
case TrackType.CdMode2Form1:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 24;
2018-01-01 21:32:12 +00:00
sectorSize = 2048;
sectorSkip = 280;
2017-12-19 20:33:03 +00:00
break;
}
case TrackType.CdMode2Form2:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 24;
2018-01-01 21:32:12 +00:00
sectorSize = 2324;
sectorSkip = 4;
2017-12-19 20:33:03 +00:00
break;
}
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
}
byte[] buffer = new byte[sectorSize * length];
2017-12-19 20:33:03 +00:00
dataStream.Seek((long)(dicTrack.TrackFileOffset + sectorAddress * 2352), SeekOrigin.Begin);
if(sectorOffset == 0 && sectorSkip == 0) dataStream.Read(buffer, 0, buffer.Length);
2017-12-19 20:33:03 +00:00
else
for(int i = 0; i < length; i++)
{
byte[] sector = new byte[sectorSize];
dataStream.Seek(sectorOffset, SeekOrigin.Current);
2017-12-19 20:33:03 +00:00
dataStream.Read(sector, 0, sector.Length);
dataStream.Seek(sectorSkip, SeekOrigin.Current);
Array.Copy(sector, 0, buffer, i * sectorSize, sectorSize);
2017-12-19 20:33:03 +00:00
}
return buffer;
}
public byte[] ReadSectorsTag(ulong sectorAddress, uint length, uint track, SectorTagType tag)
2017-12-19 20:33:03 +00:00
{
Track dicTrack = new Track {TrackSequence = 0};
2017-12-19 20:33:03 +00:00
2018-01-01 21:32:12 +00:00
foreach(Track linqTrack in Tracks.Where(linqTrack => linqTrack.TrackSequence == track))
{
dicTrack = linqTrack;
break;
}
2017-12-19 20:33:03 +00:00
if(dicTrack.TrackSequence == 0)
2017-12-19 20:33:03 +00:00
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
if(length + sectorAddress - 1 > dicTrack.TrackEndSector)
2017-12-19 20:33:03 +00:00
throw new ArgumentOutOfRangeException(nameof(length),
$"Requested more sectors ({length + sectorAddress}) than present in track ({dicTrack.TrackEndSector}), won't cross tracks");
2017-12-19 20:33:03 +00:00
if(dicTrack.TrackType == TrackType.Data)
2017-12-19 20:33:03 +00:00
throw new ArgumentException("Unsupported tag requested", nameof(tag));
byte[] buffer;
switch(tag)
{
case SectorTagType.CdSectorEcc:
case SectorTagType.CdSectorEccP:
case SectorTagType.CdSectorEccQ:
case SectorTagType.CdSectorEdc:
case SectorTagType.CdSectorHeader:
case SectorTagType.CdSectorSubHeader:
case SectorTagType.CdSectorSync: break;
2018-01-01 21:32:12 +00:00
case SectorTagType.CdTrackFlags:
return !trackFlags.TryGetValue((byte)dicTrack.TrackSequence, out byte flags)
? new[] {flags}
: new byte[1];
case SectorTagType.CdSectorSubchannel:
2018-06-22 08:08:38 +01:00
buffer = new byte[96 * length];
subStream.Seek((long)(dicTrack.TrackSubchannelOffset + sectorAddress * 96), SeekOrigin.Begin);
2017-12-19 20:33:03 +00:00
subStream.Read(buffer, 0, buffer.Length);
return buffer;
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
}
uint sectorOffset;
uint sectorSize;
uint sectorSkip;
2017-12-19 20:33:03 +00:00
switch(dicTrack.TrackType)
2017-12-19 20:33:03 +00:00
{
case TrackType.CdMode1:
2017-12-19 20:33:03 +00:00
switch(tag)
{
case SectorTagType.CdSectorSync:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 0;
2018-01-01 21:32:12 +00:00
sectorSize = 12;
sectorSkip = 2340;
2017-12-19 20:33:03 +00:00
break;
}
case SectorTagType.CdSectorHeader:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 12;
2018-01-01 21:32:12 +00:00
sectorSize = 4;
sectorSkip = 2336;
2017-12-19 20:33:03 +00:00
break;
}
case SectorTagType.CdSectorSubHeader:
2017-12-19 20:33:03 +00:00
throw new ArgumentException("Unsupported tag requested for this track", nameof(tag));
case SectorTagType.CdSectorEcc:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 2076;
2018-01-01 21:32:12 +00:00
sectorSize = 276;
sectorSkip = 0;
2017-12-19 20:33:03 +00:00
break;
}
case SectorTagType.CdSectorEccP:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 2076;
2018-01-01 21:32:12 +00:00
sectorSize = 172;
sectorSkip = 104;
2017-12-19 20:33:03 +00:00
break;
}
case SectorTagType.CdSectorEccQ:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 2248;
2018-01-01 21:32:12 +00:00
sectorSize = 104;
sectorSkip = 0;
2017-12-19 20:33:03 +00:00
break;
}
case SectorTagType.CdSectorEdc:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 2064;
2018-01-01 21:32:12 +00:00
sectorSize = 4;
sectorSkip = 284;
2017-12-19 20:33:03 +00:00
break;
}
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
}
break;
case TrackType.CdMode2Formless:
2017-12-19 20:33:03 +00:00
{
switch(tag)
{
case SectorTagType.CdSectorSync:
case SectorTagType.CdSectorHeader:
case SectorTagType.CdSectorEcc:
case SectorTagType.CdSectorEccP:
case SectorTagType.CdSectorEccQ:
2017-12-19 20:33:03 +00:00
throw new ArgumentException("Unsupported tag requested for this track", nameof(tag));
case SectorTagType.CdSectorSubHeader:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 0;
2018-01-01 21:32:12 +00:00
sectorSize = 8;
sectorSkip = 2328;
2017-12-19 20:33:03 +00:00
break;
}
case SectorTagType.CdSectorEdc:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 2332;
2018-01-01 21:32:12 +00:00
sectorSize = 4;
sectorSkip = 0;
2017-12-19 20:33:03 +00:00
break;
}
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
}
break;
}
case TrackType.CdMode2Form1:
2017-12-19 20:33:03 +00:00
switch(tag)
{
case SectorTagType.CdSectorSync:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 0;
2018-01-01 21:32:12 +00:00
sectorSize = 12;
sectorSkip = 2340;
2017-12-19 20:33:03 +00:00
break;
}
case SectorTagType.CdSectorHeader:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 12;
2018-01-01 21:32:12 +00:00
sectorSize = 4;
sectorSkip = 2336;
2017-12-19 20:33:03 +00:00
break;
}
case SectorTagType.CdSectorSubHeader:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 16;
2018-01-01 21:32:12 +00:00
sectorSize = 8;
sectorSkip = 2328;
2017-12-19 20:33:03 +00:00
break;
}
case SectorTagType.CdSectorEcc:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 2076;
2018-01-01 21:32:12 +00:00
sectorSize = 276;
sectorSkip = 0;
2017-12-19 20:33:03 +00:00
break;
}
case SectorTagType.CdSectorEccP:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 2076;
2018-01-01 21:32:12 +00:00
sectorSize = 172;
sectorSkip = 104;
2017-12-19 20:33:03 +00:00
break;
}
case SectorTagType.CdSectorEccQ:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 2248;
2018-01-01 21:32:12 +00:00
sectorSize = 104;
sectorSkip = 0;
2017-12-19 20:33:03 +00:00
break;
}
case SectorTagType.CdSectorEdc:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 2072;
2018-01-01 21:32:12 +00:00
sectorSize = 4;
sectorSkip = 276;
2017-12-19 20:33:03 +00:00
break;
}
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
}
break;
case TrackType.CdMode2Form2:
2017-12-19 20:33:03 +00:00
switch(tag)
{
case SectorTagType.CdSectorSync:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 0;
2018-01-01 21:32:12 +00:00
sectorSize = 12;
sectorSkip = 2340;
2017-12-19 20:33:03 +00:00
break;
}
case SectorTagType.CdSectorHeader:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 12;
2018-01-01 21:32:12 +00:00
sectorSize = 4;
sectorSkip = 2336;
2017-12-19 20:33:03 +00:00
break;
}
case SectorTagType.CdSectorSubHeader:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 16;
2018-01-01 21:32:12 +00:00
sectorSize = 8;
sectorSkip = 2328;
2017-12-19 20:33:03 +00:00
break;
}
case SectorTagType.CdSectorEdc:
2017-12-19 20:33:03 +00:00
{
sectorOffset = 2348;
2018-01-01 21:32:12 +00:00
sectorSize = 4;
sectorSkip = 0;
2017-12-19 20:33:03 +00:00
break;
}
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
}
break;
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case TrackType.Audio: { throw new ArgumentException("Unsupported tag requested", nameof(tag)); }
default:
throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
2017-12-19 20:33:03 +00:00
}
buffer = new byte[sectorSize * length];
2017-12-19 20:33:03 +00:00
dataStream.Seek((long)(dicTrack.TrackFileOffset + sectorAddress * 2352), SeekOrigin.Begin);
if(sectorOffset == 0 && sectorSkip == 0) dataStream.Read(buffer, 0, buffer.Length);
2017-12-19 20:33:03 +00:00
else
for(int i = 0; i < length; i++)
{
byte[] sector = new byte[sectorSize];
dataStream.Seek(sectorOffset, SeekOrigin.Current);
2017-12-19 20:33:03 +00:00
dataStream.Read(sector, 0, sector.Length);
dataStream.Seek(sectorSkip, SeekOrigin.Current);
Array.Copy(sector, 0, buffer, i * sectorSize, sectorSize);
2017-12-19 20:33:03 +00:00
}
return buffer;
}
public byte[] ReadSectorLong(ulong sectorAddress)
2017-12-19 20:33:03 +00:00
{
return ReadSectorsLong(sectorAddress, 1);
}
public byte[] ReadSectorLong(ulong sectorAddress, uint track)
2017-12-19 20:33:03 +00:00
{
return ReadSectorsLong(sectorAddress, 1, track);
}
public byte[] ReadSectorsLong(ulong sectorAddress, uint length)
2017-12-19 20:33:03 +00:00
{
foreach(KeyValuePair<uint, ulong> kvp in from kvp in offsetmap
where sectorAddress >= kvp.Value
2018-01-01 21:32:12 +00:00
from track in Tracks
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where track.TrackSequence == kvp.Key
where sectorAddress - kvp.Value <
track.TrackEndSector - track.TrackStartSector + 1
select kvp)
return ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key);
2017-12-19 20:33:03 +00:00
throw new ArgumentOutOfRangeException(nameof(sectorAddress), $"Sector address {sectorAddress} not found");
2017-12-19 20:33:03 +00:00
}
public byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
2017-12-19 20:33:03 +00:00
{
Track dicTrack = new Track {TrackSequence = 0};
2017-12-19 20:33:03 +00:00
2018-01-01 21:32:12 +00:00
foreach(Track linqTrack in Tracks.Where(linqTrack => linqTrack.TrackSequence == track))
{
dicTrack = linqTrack;
break;
}
2017-12-19 20:33:03 +00:00
if(dicTrack.TrackSequence == 0)
2017-12-19 20:33:03 +00:00
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
if(length + sectorAddress - 1 > dicTrack.TrackEndSector)
2017-12-19 20:33:03 +00:00
throw new ArgumentOutOfRangeException(nameof(length),
$"Requested more sectors ({length + sectorAddress}) than present in track ({dicTrack.TrackEndSector}), won't cross tracks");
2017-12-19 20:33:03 +00:00
byte[] buffer = new byte[2352 * length];
dataStream.Seek((long)(dicTrack.TrackFileOffset + sectorAddress * 2352), SeekOrigin.Begin);
2017-12-19 20:33:03 +00:00
dataStream.Read(buffer, 0, buffer.Length);
return buffer;
}
public List<Track> GetSessionTracks(Session session)
2017-12-19 20:33:03 +00:00
{
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if(Sessions.Contains(session)) return GetSessionTracks(session.SessionSequence);
2017-12-19 20:33:03 +00:00
throw new ImageNotSupportedException("Session does not exist in disc image");
}
public List<Track> GetSessionTracks(ushort session)
2017-12-19 20:33:03 +00:00
{
2018-01-01 21:32:12 +00:00
return Tracks.Where(track => track.TrackSession == session).ToList();
2017-12-19 20:33:03 +00:00
}
public bool? VerifySector(ulong sectorAddress)
2017-12-19 20:33:03 +00:00
{
byte[] buffer = ReadSectorLong(sectorAddress);
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return CdChecksums.CheckCdSector(buffer);
2017-12-19 20:33:03 +00:00
}
public bool? VerifySector(ulong sectorAddress, uint track)
2017-12-19 20:33:03 +00:00
{
byte[] buffer = ReadSectorLong(sectorAddress, track);
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return CdChecksums.CheckCdSector(buffer);
2017-12-19 20:33:03 +00:00
}
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public bool? VerifySectors(ulong sectorAddress, uint length, out List<ulong> failingLbas,
out List<ulong> unknownLbas)
2017-12-19 20:33:03 +00:00
{
byte[] buffer = ReadSectorsLong(sectorAddress, length);
2018-01-01 21:32:12 +00:00
int bps = (int)(buffer.Length / length);
2017-12-19 20:33:03 +00:00
byte[] sector = new byte[bps];
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failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
2017-12-19 20:33:03 +00:00
for(int i = 0; i < length; i++)
{
Array.Copy(buffer, i * bps, sector, 0, bps);
2017-12-21 14:30:38 +00:00
bool? sectorStatus = CdChecksums.CheckCdSector(sector);
2017-12-19 20:33:03 +00:00
switch(sectorStatus)
{
case null:
unknownLbas.Add((ulong)i + sectorAddress);
2017-12-19 20:33:03 +00:00
break;
case false:
failingLbas.Add((ulong)i + sectorAddress);
2017-12-19 20:33:03 +00:00
break;
}
}
if(unknownLbas.Count > 0) return null;
return failingLbas.Count <= 0;
2017-12-19 20:33:03 +00:00
}
2018-06-22 08:08:38 +01:00
public bool? VerifySectors(ulong sectorAddress, uint length, uint track, out List<ulong> failingLbas,
out List<ulong> unknownLbas)
2017-12-19 20:33:03 +00:00
{
byte[] buffer = ReadSectorsLong(sectorAddress, length, track);
2018-01-01 21:32:12 +00:00
int bps = (int)(buffer.Length / length);
2017-12-19 20:33:03 +00:00
byte[] sector = new byte[bps];
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failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
2017-12-19 20:33:03 +00:00
for(int i = 0; i < length; i++)
{
Array.Copy(buffer, i * bps, sector, 0, bps);
2017-12-21 14:30:38 +00:00
bool? sectorStatus = CdChecksums.CheckCdSector(sector);
2017-12-19 20:33:03 +00:00
switch(sectorStatus)
{
case null:
unknownLbas.Add((ulong)i + sectorAddress);
2017-12-19 20:33:03 +00:00
break;
case false:
failingLbas.Add((ulong)i + sectorAddress);
2017-12-19 20:33:03 +00:00
break;
}
}
if(unknownLbas.Count > 0) return null;
return failingLbas.Count <= 0;
2017-12-19 20:33:03 +00:00
}
public bool? VerifyMediaImage()
2017-12-19 20:33:03 +00:00
{
return null;
}
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public List<DumpHardwareType> DumpHardware => null;
public CICMMetadataType CicmMetadata => null;
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public IEnumerable<MediaTagType> SupportedMediaTags => new[] {MediaTagType.CD_MCN, MediaTagType.CD_FullTOC};
public IEnumerable<SectorTagType> SupportedSectorTags =>
new[]
{
SectorTagType.CdSectorEcc, SectorTagType.CdSectorEccP, SectorTagType.CdSectorEccQ,
SectorTagType.CdSectorEdc, SectorTagType.CdSectorHeader, SectorTagType.CdSectorSubHeader,
SectorTagType.CdSectorSync, SectorTagType.CdTrackFlags, SectorTagType.CdSectorSubchannel
};
public IEnumerable<MediaType> SupportedMediaTypes =>
new[]
{
MediaType.CD, MediaType.CDDA, MediaType.CDEG, MediaType.CDG, MediaType.CDI, MediaType.CDMIDI,
MediaType.CDMRW, MediaType.CDPLUS, MediaType.CDR, MediaType.CDROM, MediaType.CDROMXA, MediaType.CDRW,
MediaType.CDV, MediaType.DTSCD, MediaType.JaguarCD, MediaType.MEGACD, MediaType.PS1CD, MediaType.PS2CD,
MediaType.SuperCDROM2, MediaType.SVCD, MediaType.SATURNCD, MediaType.ThreeDO, MediaType.VCD,
MediaType.VCDHD, MediaType.NeoGeoCD, MediaType.PCFX
};
public IEnumerable<(string name, Type type, string description)> SupportedOptions =>
new (string name, Type type, string description)[] { };
public IEnumerable<string> KnownExtensions => new[] {".ccd"};
public bool IsWriting { get; private set; }
public string ErrorMessage { get; private set; }
public bool Create(string path, MediaType mediaType, Dictionary<string, string> options, ulong sectors,
uint sectorSize)
{
if(!SupportedMediaTypes.Contains(mediaType))
{
ErrorMessage = $"Unsupport media format {mediaType}";
return false;
}
imageInfo = new ImageInfo {MediaType = mediaType, SectorSize = sectorSize, Sectors = sectors};
try
{
writingBaseName = Path.Combine(Path.GetDirectoryName(path), Path.GetFileNameWithoutExtension(path));
descriptorStream = new StreamWriter(path, false, Encoding.ASCII);
2018-06-22 08:08:38 +01:00
dataStream = new FileStream(writingBaseName + ".img", FileMode.OpenOrCreate, FileAccess.ReadWrite,
FileShare.None);
}
catch(IOException e)
{
ErrorMessage = $"Could not create new image file, exception {e.Message}";
return false;
}
imageInfo.MediaType = mediaType;
trackFlags = new Dictionary<byte, byte>();
IsWriting = true;
ErrorMessage = null;
return true;
}
public bool WriteMediaTag(byte[] data, MediaTagType tag)
{
if(!IsWriting)
{
ErrorMessage = "Tried to write on a non-writable image";
return false;
}
switch(tag)
{
case MediaTagType.CD_MCN:
catalog = Encoding.ASCII.GetString(data);
return true;
case MediaTagType.CD_FullTOC:
2018-06-23 19:41:23 +01:00
fulltoc = new byte[data.Length + 2];
Array.Copy(data, 0, fulltoc, 2, data.Length);
fulltoc[0] = (byte)((data.Length & 0xFF00) >> 8);
fulltoc[1] = (byte)(data.Length & 0xFF);
return true;
default:
ErrorMessage = $"Unsupported media tag {tag}";
return false;
}
}
public bool WriteSector(byte[] data, ulong sectorAddress)
{
if(!IsWriting)
{
ErrorMessage = "Tried to write on a non-writable image";
return false;
}
// TODO: Implement ECC generation
ErrorMessage = "This format requires sectors to be raw. Generating ECC is not yet implemented";
return false;
}
public bool WriteSectors(byte[] data, ulong sectorAddress, uint length)
{
if(!IsWriting)
{
ErrorMessage = "Tried to write on a non-writable image";
return false;
}
// TODO: Implement ECC generation
ErrorMessage = "This format requires sectors to be raw. Generating ECC is not yet implemented";
return false;
}
public bool WriteSectorLong(byte[] data, ulong sectorAddress)
{
if(!IsWriting)
{
ErrorMessage = "Tried to write on a non-writable image";
return false;
}
Track track =
Tracks.FirstOrDefault(trk => sectorAddress >= trk.TrackStartSector &&
sectorAddress <= trk.TrackEndSector);
if(track.TrackSequence == 0)
{
ErrorMessage = $"Can't found track containing {sectorAddress}";
return false;
}
if(data.Length != track.TrackRawBytesPerSector)
{
ErrorMessage = "Incorrect data size";
return false;
}
dataStream.Seek((long)(track.TrackFileOffset + (sectorAddress - track.TrackStartSector) * (ulong)track.TrackRawBytesPerSector),
SeekOrigin.Begin);
dataStream.Write(data, 0, data.Length);
return true;
}
public bool WriteSectorsLong(byte[] data, ulong sectorAddress, uint length)
{
if(!IsWriting)
{
ErrorMessage = "Tried to write on a non-writable image";
return false;
}
Track track =
Tracks.FirstOrDefault(trk => sectorAddress >= trk.TrackStartSector &&
sectorAddress <= trk.TrackEndSector);
if(track.TrackSequence == 0)
{
ErrorMessage = $"Can't found track containing {sectorAddress}";
return false;
}
if(sectorAddress + length > track.TrackEndSector + 1)
{
ErrorMessage = "Can't cross tracks";
return false;
}
if(data.Length % track.TrackRawBytesPerSector != 0)
{
ErrorMessage = "Incorrect data size";
return false;
}
dataStream.Seek((long)(track.TrackFileOffset + (sectorAddress - track.TrackStartSector) * (ulong)track.TrackRawBytesPerSector),
SeekOrigin.Begin);
dataStream.Write(data, 0, data.Length);
return true;
}
public bool SetTracks(List<Track> tracks)
{
ulong currentDataOffset = 0;
ulong currentSubchannelOffset = 0;
Tracks = new List<Track>();
foreach(Track track in tracks.OrderBy(t => t.TrackSequence))
{
Track newTrack = track;
uint subchannelSize;
switch(track.TrackSubchannelType)
{
case TrackSubchannelType.None:
subchannelSize = 0;
break;
case TrackSubchannelType.Raw:
case TrackSubchannelType.RawInterleaved:
subchannelSize = 96;
break;
default:
ErrorMessage = $"Unsupported subchannel type {track.TrackSubchannelType}";
return false;
}
newTrack.TrackFileOffset = currentDataOffset;
newTrack.TrackSubchannelOffset = currentSubchannelOffset;
currentDataOffset += (ulong)newTrack.TrackRawBytesPerSector *
2018-06-22 08:08:38 +01:00
(newTrack.TrackEndSector - newTrack.TrackStartSector + 1);
currentSubchannelOffset += subchannelSize * (newTrack.TrackEndSector - newTrack.TrackStartSector + 1);
Tracks.Add(newTrack);
}
return true;
}
public bool Close()
{
if(!IsWriting)
{
ErrorMessage = "Image is not opened for writing";
return false;
}
dataStream.Flush();
dataStream.Close();
subStream?.Flush();
subStream?.Close();
2018-06-22 08:08:38 +01:00
FullTOC.CDFullTOC? nullableToc = null;
2018-06-20 22:22:21 +01:00
FullTOC.CDFullTOC toc;
// Easy, just decode the real toc
if(fulltoc != null) nullableToc = FullTOC.Decode(fulltoc);
// Not easy, create a toc from scratch
if(nullableToc == null)
{
2018-06-22 08:08:38 +01:00
toc = new FullTOC.CDFullTOC();
Dictionary<byte, byte> sessionEndingTrack = new Dictionary<byte, byte>();
toc.FirstCompleteSession = byte.MaxValue;
toc.LastCompleteSession = byte.MinValue;
List<FullTOC.TrackDataDescriptor> trackDescriptors = new List<FullTOC.TrackDataDescriptor>();
byte currentTrack = 0;
foreach(Track track in Tracks.OrderBy(t => t.TrackSession).ThenBy(t => t.TrackSequence))
{
if(track.TrackSession < toc.FirstCompleteSession)
toc.FirstCompleteSession = (byte)track.TrackSession;
if(track.TrackSession <= toc.LastCompleteSession)
{
currentTrack = (byte)track.TrackSequence;
continue;
}
if(toc.LastCompleteSession > 0) sessionEndingTrack.Add(toc.LastCompleteSession, currentTrack);
toc.LastCompleteSession = (byte)track.TrackSession;
}
byte currentSession = 0;
foreach(Track track in Tracks.OrderBy(t => t.TrackSession).ThenBy(t => t.TrackSequence))
{
trackFlags.TryGetValue((byte)track.TrackSequence, out byte trackControl);
if(trackControl == 0 && track.TrackType != TrackType.Audio) trackControl = (byte)CdFlags.DataTrack;
// Lead-Out
if(track.TrackSession > currentSession && currentSession != 0)
{
(byte minute, byte second, byte frame) leadoutAmsf = LbaToMsf(track.TrackStartSector - 150);
(byte minute, byte second, byte frame) leadoutPmsf =
LbaToMsf(Tracks.OrderBy(t => t.TrackSession).ThenBy(t => t.TrackSequence).Last()
.TrackStartSector);
// Lead-out
trackDescriptors.Add(new FullTOC.TrackDataDescriptor
{
SessionNumber = currentSession,
POINT = 0xB0,
ADR = 5,
CONTROL = 0,
HOUR = 0,
Min = leadoutAmsf.minute,
Sec = leadoutAmsf.second,
Frame = leadoutAmsf.frame,
PHOUR = 2,
PMIN = leadoutPmsf.minute,
PSEC = leadoutPmsf.second,
PFRAME = leadoutPmsf.frame
});
// This seems to be constant? It should not exist on CD-ROM but CloneCD creates them anyway
// Format seems like ATIP, but ATIP should not be as 0xC0 in TOC...
trackDescriptors.Add(new FullTOC.TrackDataDescriptor
{
SessionNumber = currentSession,
POINT = 0xC0,
ADR = 5,
CONTROL = 0,
Min = 128,
PMIN = 97,
PSEC = 25
});
}
// Lead-in
if(track.TrackSession > currentSession)
{
currentSession = (byte)track.TrackSession;
sessionEndingTrack.TryGetValue(currentSession, out byte endingTrackNumber);
(byte minute, byte second, byte frame) leadinPmsf =
LbaToMsf(Tracks.FirstOrDefault(t => t.TrackSequence == endingTrackNumber).TrackEndSector +
1);
// Starting track
trackDescriptors.Add(new FullTOC.TrackDataDescriptor
{
SessionNumber = currentSession,
POINT = 0xA0,
ADR = 1,
CONTROL = trackControl,
PMIN = (byte)track.TrackSequence
});
// Ending track
trackDescriptors.Add(new FullTOC.TrackDataDescriptor
{
SessionNumber = currentSession,
POINT = 0xA1,
ADR = 1,
CONTROL = trackControl,
PMIN = endingTrackNumber
});
// Lead-out start
trackDescriptors.Add(new FullTOC.TrackDataDescriptor
{
SessionNumber = currentSession,
POINT = 0xA2,
ADR = 1,
CONTROL = trackControl,
PHOUR = 0,
PMIN = leadinPmsf.minute,
PSEC = leadinPmsf.second,
PFRAME = leadinPmsf.frame
});
}
(byte minute, byte second, byte frame) pmsf = LbaToMsf(track.TrackStartSector);
// Track
trackDescriptors.Add(new FullTOC.TrackDataDescriptor
{
SessionNumber = (byte)track.TrackSession,
POINT = (byte)track.TrackSequence,
ADR = 1,
CONTROL = trackControl,
PHOUR = 0,
PMIN = pmsf.minute,
PSEC = pmsf.second,
PFRAME = pmsf.frame
});
}
toc.TrackDescriptors = trackDescriptors.ToArray();
}
else toc = nullableToc.Value;
descriptorStream.WriteLine("[CloneCD]");
descriptorStream.WriteLine("Version=2");
descriptorStream.WriteLine("[Disc]");
descriptorStream.WriteLine("TocEntries={0}", toc.TrackDescriptors.Length);
descriptorStream.WriteLine("Sessions={0}", toc.LastCompleteSession);
descriptorStream.WriteLine("DataTracksScrambled=0");
descriptorStream.WriteLine("CDTextLength=0");
if(!string.IsNullOrEmpty(catalog)) descriptorStream.WriteLine("CATALOG={0}", catalog);
for(int i = 1; i <= toc.LastCompleteSession; i++)
{
// TODO: Use first track of session info
descriptorStream.WriteLine("[Session {0}]", i);
descriptorStream.WriteLine("PreGapMode=0");
descriptorStream.WriteLine("PreGapSubC=0");
}
for(int i = 0; i < toc.TrackDescriptors.Length; i++)
{
long alba = MsfToLba((toc.TrackDescriptors[i].Min, toc.TrackDescriptors[i].Sec,
toc.TrackDescriptors[i].Frame));
long plba = MsfToLba((toc.TrackDescriptors[i].PMIN, toc.TrackDescriptors[i].PSEC,
toc.TrackDescriptors[i].PFRAME));
if(alba > 405000) alba = (alba - 405000 + 300) * -1;
if(plba > 405000) plba = (plba - 405000 + 300) * -1;
descriptorStream.WriteLine("[Entry {0}]", i);
descriptorStream.WriteLine("Session={0}", toc.TrackDescriptors[i].SessionNumber);
descriptorStream.WriteLine("Point=0x{0:x2}", toc.TrackDescriptors[i].POINT);
descriptorStream.WriteLine("ADR=0x{0:x2}", toc.TrackDescriptors[i].ADR);
descriptorStream.WriteLine("Control=0x{0:x2}", toc.TrackDescriptors[i].CONTROL);
descriptorStream.WriteLine("TrackNo={0}", toc.TrackDescriptors[i].TNO);
descriptorStream.WriteLine("AMin={0}", toc.TrackDescriptors[i].Min);
descriptorStream.WriteLine("ASec={0}", toc.TrackDescriptors[i].Sec);
descriptorStream.WriteLine("AFrame={0}", toc.TrackDescriptors[i].Frame);
descriptorStream.WriteLine("ALBA={0}", alba);
descriptorStream.WriteLine("Zero={0}",
((toc.TrackDescriptors[i].HOUR & 0x0F) << 4) +
(toc.TrackDescriptors[i].PHOUR & 0x0F));
descriptorStream.WriteLine("PMin={0}", toc.TrackDescriptors[i].PMIN);
descriptorStream.WriteLine("PSec={0}", toc.TrackDescriptors[i].PSEC);
descriptorStream.WriteLine("PFrame={0}", toc.TrackDescriptors[i].PFRAME);
descriptorStream.WriteLine("PLBA={0}", plba);
}
descriptorStream.Flush();
descriptorStream.Close();
IsWriting = false;
ErrorMessage = "";
return true;
}
public bool SetMetadata(ImageInfo metadata)
{
return true;
}
public bool SetGeometry(uint cylinders, uint heads, uint sectorsPerTrack)
{
ErrorMessage = "Unsupported feature";
return false;
}
public bool WriteSectorTag(byte[] data, ulong sectorAddress, SectorTagType tag)
{
if(!IsWriting)
{
ErrorMessage = "Tried to write on a non-writable image";
return false;
}
Track track =
Tracks.FirstOrDefault(trk => sectorAddress >= trk.TrackStartSector &&
sectorAddress <= trk.TrackEndSector);
if(track.TrackSequence == 0)
{
ErrorMessage = $"Can't found track containing {sectorAddress}";
return false;
}
switch(tag)
{
case SectorTagType.CdTrackFlags:
{
if(data.Length != 1)
{
ErrorMessage = "Incorrect data size for track flags";
return false;
}
trackFlags.Add((byte)track.TrackSequence, data[0]);
return true;
}
case SectorTagType.CdSectorSubchannel:
{
if(track.TrackSubchannelType == 0)
{
ErrorMessage =
$"Trying to write subchannel to track {track.TrackSequence}, that does not have subchannel";
return false;
}
if(data.Length != 96)
{
ErrorMessage = "Incorrect data size for subchannel";
return false;
}
if(subStream == null)
try
{
subStream = new FileStream(writingBaseName + ".sub", FileMode.OpenOrCreate,
FileAccess.ReadWrite, FileShare.None);
}
catch(IOException e)
{
ErrorMessage = $"Could not create subchannel file, exception {e.Message}";
return false;
}
subStream.Seek((long)(track.TrackSubchannelOffset + (sectorAddress - track.TrackStartSector) * 96),
SeekOrigin.Begin);
subStream.Write(data, 0, data.Length);
return true;
}
default:
ErrorMessage = $"Unsupported tag type {tag}";
return false;
}
}
public bool WriteSectorsTag(byte[] data, ulong sectorAddress, uint length, SectorTagType tag)
{
if(!IsWriting)
{
ErrorMessage = "Tried to write on a non-writable image";
return false;
}
Track track =
Tracks.FirstOrDefault(trk => sectorAddress >= trk.TrackStartSector &&
sectorAddress <= trk.TrackEndSector);
if(track.TrackSequence == 0)
{
ErrorMessage = $"Can't found track containing {sectorAddress}";
return false;
}
switch(tag)
{
case SectorTagType.CdTrackFlags:
case SectorTagType.CdTrackIsrc: return WriteSectorTag(data, sectorAddress, tag);
case SectorTagType.CdSectorSubchannel:
{
if(track.TrackSubchannelType == 0)
{
ErrorMessage =
$"Trying to write subchannel to track {track.TrackSequence}, that does not have subchannel";
return false;
}
if(data.Length % 96 != 0)
{
ErrorMessage = "Incorrect data size for subchannel";
return false;
}
if(subStream == null)
try
{
subStream = new FileStream(writingBaseName + ".sub", FileMode.OpenOrCreate,
FileAccess.ReadWrite, FileShare.None);
}
catch(IOException e)
{
ErrorMessage = $"Could not create subchannel file, exception {e.Message}";
return false;
}
subStream.Seek((long)(track.TrackSubchannelOffset + (sectorAddress - track.TrackStartSector) * 96),
SeekOrigin.Begin);
subStream.Write(data, 0, data.Length);
return true;
}
default:
ErrorMessage = $"Unsupported tag type {tag}";
return false;
}
}
public bool SetDumpHardware(List<DumpHardwareType> dumpHardware)
{
// Not supported
return false;
}
public bool SetCicmMetadata(CICMMetadataType metadata)
{
// Not supported
return false;
}
static ulong GetLba(int minute, int second, int frame)
2018-01-01 21:32:12 +00:00
{
return (ulong)(minute * 60 * 75 + second * 75 + frame - 150);
2018-01-01 21:32:12 +00:00
}
static long MsfToLba((byte minute, byte second, byte frame) msf)
{
return msf.minute * 60 * 75 + msf.second * 75 + msf.frame - 150;
}
static (byte minute, byte second, byte frame) LbaToMsf(ulong sector)
{
return ((byte)((sector + 150) / 75 / 60), (byte)((sector + 150) / 75 % 60), (byte)((sector + 150) % 75));
}
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}
}