mirror of
https://github.com/aaru-dps/Aaru.git
synced 2025-12-16 19:24:25 +00:00
432 lines
20 KiB
C#
432 lines
20 KiB
C#
// /***************************************************************************
|
|
// Aaru Data Preservation Suite
|
|
// ----------------------------------------------------------------------------
|
|
//
|
|
// Filename : Data.cs
|
|
// Author(s) : Natalia Portillo <claunia@claunia.com>
|
|
//
|
|
// Component : CompactDisc dumping.
|
|
//
|
|
// --[ Description ] ----------------------------------------------------------
|
|
//
|
|
// Dumps user data part.
|
|
//
|
|
// --[ 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 © 2011-2020 Natalia Portillo
|
|
// ****************************************************************************/
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using Aaru.CommonTypes.Extents;
|
|
using Aaru.CommonTypes.Interfaces;
|
|
using Aaru.CommonTypes.Structs;
|
|
using Aaru.Core.Logging;
|
|
using Aaru.Decoders.CD;
|
|
using Aaru.Devices;
|
|
using Schemas;
|
|
|
|
// ReSharper disable JoinDeclarationAndInitializer
|
|
// ReSharper disable InlineOutVariableDeclaration
|
|
// ReSharper disable TooWideLocalVariableScope
|
|
|
|
namespace Aaru.Core.Devices.Dumping
|
|
{
|
|
partial class Dump
|
|
{
|
|
static bool IsData(byte[] sector)
|
|
{
|
|
if(sector?.Length != 2352)
|
|
return false;
|
|
|
|
byte[] syncMark =
|
|
{
|
|
0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00
|
|
};
|
|
|
|
byte[] testMark = new byte[12];
|
|
Array.Copy(sector, 0, testMark, 0, 12);
|
|
|
|
return syncMark.SequenceEqual(testMark) && (sector[0xF] == 0 || sector[0xF] == 1 || sector[0xF] == 2);
|
|
}
|
|
|
|
static bool IsScrambledData(byte[] sector, int wantedLba, out int? offset)
|
|
{
|
|
offset = 0;
|
|
|
|
if(sector?.Length != 2352)
|
|
return false;
|
|
|
|
byte[] syncMark =
|
|
{
|
|
0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00
|
|
};
|
|
|
|
byte[] testMark = new byte[12];
|
|
|
|
for(int i = 0; i <= 2336; i++)
|
|
{
|
|
Array.Copy(sector, i, testMark, 0, 12);
|
|
|
|
if(syncMark.SequenceEqual(testMark) &&
|
|
(sector[i + 0xF] == 0x60 || sector[i + 0xF] == 0x61 || sector[i + 0xF] == 0x62))
|
|
|
|
{
|
|
// De-scramble M and S
|
|
int minute = sector[i + 12] ^ 0x01;
|
|
int second = sector[i + 13] ^ 0x80;
|
|
int frame = sector[i + 14];
|
|
|
|
// Convert to binary
|
|
minute = ((minute / 16) * 10) + (minute & 0x0F);
|
|
second = ((second / 16) * 10) + (second & 0x0F);
|
|
frame = ((frame / 16) * 10) + (frame & 0x0F);
|
|
|
|
// Calculate the first found LBA
|
|
int lba = ((minute * 60 * 75) + (second * 75) + frame) - 150;
|
|
|
|
// Calculate the difference between the found LBA and the requested one
|
|
int diff = wantedLba - lba;
|
|
|
|
offset = i + (2352 * diff);
|
|
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// TODO: Set pregap for Track 1
|
|
// TODO: Detect errors in sectors
|
|
/// <summary>Reads all CD user data</summary>
|
|
/// <param name="audioExtents">Extents with audio sectors</param>
|
|
/// <param name="blocks">Total number of positive sectors</param>
|
|
/// <param name="blockSize">Size of the read sector in bytes</param>
|
|
/// <param name="currentSpeed">Current read speed</param>
|
|
/// <param name="currentTry">Current dump hardware try</param>
|
|
/// <param name="extents">Extents</param>
|
|
/// <param name="ibgLog">IMGBurn log</param>
|
|
/// <param name="imageWriteDuration">Duration of image write</param>
|
|
/// <param name="lastSector">Last sector number</param>
|
|
/// <param name="leadOutExtents">Lead-out extents</param>
|
|
/// <param name="maxSpeed">Maximum speed</param>
|
|
/// <param name="mhddLog">MHDD log</param>
|
|
/// <param name="minSpeed">Minimum speed</param>
|
|
/// <param name="newTrim">Is trim a new one?</param>
|
|
/// <param name="nextData">Next cluster of sectors is all data</param>
|
|
/// <param name="offsetBytes">Read offset</param>
|
|
/// <param name="read6">Device supports READ(6)</param>
|
|
/// <param name="read10">Device supports READ(10)</param>
|
|
/// <param name="read12">Device supports READ(12)</param>
|
|
/// <param name="read16">Device supports READ(16)</param>
|
|
/// <param name="readcd">Device supports READ CD</param>
|
|
/// <param name="sectorsForOffset">Sectors needed to fix offset</param>
|
|
/// <param name="subSize">Subchannel size in bytes</param>
|
|
/// <param name="supportedSubchannel">Drive's maximum supported subchannel</param>
|
|
/// <param name="supportsLongSectors">Supports reading EDC and ECC</param>
|
|
/// <param name="totalDuration">Total commands duration</param>
|
|
void ReadCdiReady(uint blockSize, ref double currentSpeed, DumpHardwareType currentTry, ExtentsULong extents,
|
|
IbgLog ibgLog, ref double imageWriteDuration, ExtentsULong leadOutExtents,
|
|
ref double maxSpeed, MhddLog mhddLog, ref double minSpeed, uint subSize,
|
|
MmcSubchannel supportedSubchannel, ref double totalDuration, Track[] tracks,
|
|
SubchannelLog subLog, MmcSubchannel desiredSubchannel, Dictionary<byte, string> isrcs,
|
|
ref string mcn, HashSet<int> subchannelExtents, ulong blocks, bool cdiReadyReadAsAudio,
|
|
int offsetBytes, int sectorsForOffset, Dictionary<byte, int> smallestPregapLbaPerTrack)
|
|
{
|
|
ulong sectorSpeedStart = 0; // Used to calculate correct speed
|
|
DateTime timeSpeedStart = DateTime.UtcNow; // Time of start for speed calculation
|
|
bool sense = true; // Sense indicator
|
|
byte[] cmdBuf = null; // Data buffer
|
|
byte[] senseBuf = null; // Sense buffer
|
|
double cmdDuration = 0; // Command execution time
|
|
const uint sectorSize = 2352; // Full sector size
|
|
Track firstTrack = tracks.FirstOrDefault(t => t.TrackSequence == 1);
|
|
uint blocksToRead = 0; // How many sectors to read at once
|
|
|
|
if(firstTrack is null)
|
|
return;
|
|
|
|
if(cdiReadyReadAsAudio)
|
|
{
|
|
_dumpLog.WriteLine("Setting speed to 8x for CD-i Ready reading as audio.");
|
|
UpdateStatus?.Invoke("Setting speed to 8x for CD-i Ready reading as audio.");
|
|
|
|
_dev.SetCdSpeed(out _, RotationalControl.ClvAndImpureCav, 1416, 0, _dev.Timeout, out _);
|
|
}
|
|
|
|
InitProgress?.Invoke();
|
|
|
|
for(ulong i = _resume.NextBlock; i < firstTrack.TrackStartSector; i += blocksToRead)
|
|
{
|
|
if(_aborted)
|
|
{
|
|
currentTry.Extents = ExtentsConverter.ToMetadata(extents);
|
|
UpdateStatus?.Invoke("Aborted!");
|
|
_dumpLog.WriteLine("Aborted!");
|
|
|
|
break;
|
|
}
|
|
|
|
uint firstSectorToRead = (uint)i;
|
|
|
|
blocksToRead = _maximumReadable;
|
|
|
|
if(blocksToRead == 1 && cdiReadyReadAsAudio)
|
|
blocksToRead += (uint)sectorsForOffset;
|
|
|
|
if(cdiReadyReadAsAudio)
|
|
{
|
|
// TODO: FreeBSD bug
|
|
if(offsetBytes < 0)
|
|
{
|
|
if(i == 0)
|
|
firstSectorToRead = uint.MaxValue - (uint)(sectorsForOffset - 1); // -1
|
|
else
|
|
firstSectorToRead -= (uint)sectorsForOffset;
|
|
}
|
|
}
|
|
|
|
#pragma warning disable RECS0018 // Comparison of floating point numbers with equality operator
|
|
|
|
// ReSharper disable CompareOfFloatsByEqualityOperator
|
|
if(currentSpeed > maxSpeed &&
|
|
currentSpeed != 0)
|
|
maxSpeed = currentSpeed;
|
|
|
|
if(currentSpeed < minSpeed &&
|
|
currentSpeed != 0)
|
|
minSpeed = currentSpeed;
|
|
|
|
// ReSharper restore CompareOfFloatsByEqualityOperator
|
|
|
|
#pragma warning restore RECS0018 // Comparison of floating point numbers with equality operator
|
|
|
|
UpdateProgress?.Invoke($"Reading sector {i} of {blocks} ({currentSpeed:F3} MiB/sec.)", (long)i,
|
|
(long)blocks);
|
|
|
|
sense = _dev.ReadCd(out cmdBuf, out senseBuf, firstSectorToRead, blockSize, blocksToRead,
|
|
MmcSectorTypes.AllTypes, false, false, true, MmcHeaderCodes.AllHeaders, true, true,
|
|
MmcErrorField.None, supportedSubchannel, _dev.Timeout, out cmdDuration);
|
|
|
|
totalDuration += cmdDuration;
|
|
|
|
double elapsed;
|
|
|
|
// Overcome the track mode change drive error
|
|
if(sense)
|
|
{
|
|
for(uint r = 0; r < _maximumReadable; r++)
|
|
{
|
|
UpdateProgress?.Invoke($"Reading sector {i + r} of {blocks} ({currentSpeed:F3} MiB/sec.)",
|
|
(long)i + r, (long)blocks);
|
|
|
|
sense = _dev.ReadCd(out cmdBuf, out senseBuf, (uint)(i + r), blockSize,
|
|
(uint)sectorsForOffset + 1, MmcSectorTypes.AllTypes, false, false, true,
|
|
MmcHeaderCodes.AllHeaders, true, true, MmcErrorField.None,
|
|
supportedSubchannel, _dev.Timeout, out cmdDuration);
|
|
|
|
totalDuration += cmdDuration;
|
|
|
|
if(!sense &&
|
|
!_dev.Error)
|
|
{
|
|
mhddLog.Write(i + r, cmdDuration);
|
|
ibgLog.Write(i + r, currentSpeed * 1024);
|
|
extents.Add(i + r, 1, true);
|
|
DateTime writeStart = DateTime.Now;
|
|
|
|
if(cdiReadyReadAsAudio)
|
|
FixOffsetData(offsetBytes, sectorSize, sectorsForOffset, supportedSubchannel,
|
|
ref blocksToRead, subSize, ref cmdBuf, blockSize, false);
|
|
|
|
if(supportedSubchannel != MmcSubchannel.None)
|
|
{
|
|
byte[] data = new byte[sectorSize];
|
|
byte[] sub = new byte[subSize];
|
|
|
|
Array.Copy(cmdBuf, 0, data, 0, sectorSize);
|
|
|
|
Array.Copy(cmdBuf, sectorSize, sub, 0, subSize);
|
|
|
|
if(cdiReadyReadAsAudio)
|
|
data = Sector.Scramble(data);
|
|
|
|
_outputPlugin.WriteSectorsLong(data, i + r, 1);
|
|
|
|
bool indexesChanged = Media.CompactDisc.WriteSubchannelToImage(supportedSubchannel,
|
|
desiredSubchannel, sub,
|
|
i + r, 1, subLog, isrcs,
|
|
1, ref mcn, tracks,
|
|
subchannelExtents,
|
|
_fixSubchannelPosition,
|
|
_outputPlugin,
|
|
_fixSubchannel,
|
|
_fixSubchannelCrc,
|
|
_dumpLog, UpdateStatus,
|
|
smallestPregapLbaPerTrack);
|
|
|
|
// Set tracks and go back
|
|
if(indexesChanged)
|
|
{
|
|
(_outputPlugin as IWritableOpticalImage).SetTracks(tracks.ToList());
|
|
i -= _maximumReadable;
|
|
|
|
continue;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
_outputPlugin.WriteSectorsLong(cmdBuf, i + r, 1);
|
|
}
|
|
|
|
imageWriteDuration += (DateTime.Now - writeStart).TotalSeconds;
|
|
}
|
|
else
|
|
{
|
|
_errorLog?.WriteLine(i + r, _dev.Error, _dev.LastError, senseBuf);
|
|
|
|
leadOutExtents.Add(i + r, firstTrack.TrackStartSector - 1);
|
|
|
|
UpdateStatus?.
|
|
Invoke($"Adding CD-i Ready hole from LBA {i + r} to {firstTrack.TrackStartSector - 1} inclusive.");
|
|
|
|
_dumpLog.WriteLine("Adding CD-i Ready hole from LBA {0} to {1} inclusive.", i + r,
|
|
firstTrack.TrackStartSector - 1);
|
|
|
|
break;
|
|
}
|
|
|
|
sectorSpeedStart += r;
|
|
|
|
_resume.NextBlock = i + r;
|
|
|
|
elapsed = (DateTime.UtcNow - timeSpeedStart).TotalSeconds;
|
|
|
|
if(elapsed < 1)
|
|
continue;
|
|
|
|
currentSpeed = (sectorSpeedStart * blockSize) / (1048576 * elapsed);
|
|
sectorSpeedStart = 0;
|
|
timeSpeedStart = DateTime.UtcNow;
|
|
}
|
|
}
|
|
|
|
if(!sense &&
|
|
!_dev.Error)
|
|
{
|
|
if(cdiReadyReadAsAudio)
|
|
FixOffsetData(offsetBytes, sectorSize, sectorsForOffset, supportedSubchannel, ref blocksToRead,
|
|
subSize, ref cmdBuf, blockSize, false);
|
|
|
|
mhddLog.Write(i, cmdDuration);
|
|
ibgLog.Write(i, currentSpeed * 1024);
|
|
extents.Add(i, blocksToRead, true);
|
|
DateTime writeStart = DateTime.Now;
|
|
|
|
if(supportedSubchannel != MmcSubchannel.None)
|
|
{
|
|
byte[] data = new byte[sectorSize * blocksToRead];
|
|
byte[] sub = new byte[subSize * blocksToRead];
|
|
byte[] tmpData = new byte[sectorSize];
|
|
|
|
for(int b = 0; b < blocksToRead; b++)
|
|
{
|
|
if(cdiReadyReadAsAudio)
|
|
{
|
|
Array.Copy(cmdBuf, (int)(0 + (b * blockSize)), tmpData, 0, sectorSize);
|
|
tmpData = Sector.Scramble(tmpData);
|
|
Array.Copy(tmpData, 0, data, sectorSize * b, sectorSize);
|
|
}
|
|
else
|
|
Array.Copy(cmdBuf, (int)(0 + (b * blockSize)), data, sectorSize * b, sectorSize);
|
|
|
|
Array.Copy(cmdBuf, (int)(sectorSize + (b * blockSize)), sub, subSize * b, subSize);
|
|
}
|
|
|
|
_outputPlugin.WriteSectorsLong(data, i, blocksToRead);
|
|
|
|
bool indexesChanged = Media.CompactDisc.WriteSubchannelToImage(supportedSubchannel,
|
|
desiredSubchannel, sub, i,
|
|
blocksToRead, subLog, isrcs, 1,
|
|
ref mcn, tracks,
|
|
subchannelExtents,
|
|
_fixSubchannelPosition,
|
|
_outputPlugin, _fixSubchannel,
|
|
_fixSubchannelCrc, _dumpLog,
|
|
UpdateStatus,
|
|
smallestPregapLbaPerTrack);
|
|
|
|
// Set tracks and go back
|
|
if(indexesChanged)
|
|
{
|
|
(_outputPlugin as IWritableOpticalImage).SetTracks(tracks.ToList());
|
|
i -= blocksToRead;
|
|
|
|
continue;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(cdiReadyReadAsAudio)
|
|
{
|
|
byte[] tmpData = new byte[sectorSize];
|
|
byte[] data = new byte[sectorSize * blocksToRead];
|
|
|
|
for(int b = 0; b < blocksToRead; b++)
|
|
{
|
|
Array.Copy(cmdBuf, (int)(b * sectorSize), tmpData, 0, sectorSize);
|
|
tmpData = Sector.Scramble(tmpData);
|
|
Array.Copy(tmpData, 0, data, sectorSize * b, sectorSize);
|
|
}
|
|
|
|
_outputPlugin.WriteSectorsLong(data, i, blocksToRead);
|
|
}
|
|
else
|
|
_outputPlugin.WriteSectorsLong(cmdBuf, i, blocksToRead);
|
|
}
|
|
|
|
imageWriteDuration += (DateTime.Now - writeStart).TotalSeconds;
|
|
}
|
|
else
|
|
{
|
|
_errorLog?.WriteLine(i, _dev.Error, _dev.LastError, senseBuf);
|
|
|
|
_resume.NextBlock = firstTrack.TrackStartSector;
|
|
|
|
break;
|
|
}
|
|
|
|
sectorSpeedStart += blocksToRead;
|
|
|
|
_resume.NextBlock = i + blocksToRead;
|
|
|
|
elapsed = (DateTime.UtcNow - timeSpeedStart).TotalSeconds;
|
|
|
|
if(elapsed < 1)
|
|
continue;
|
|
|
|
currentSpeed = (sectorSpeedStart * blockSize) / (1048576 * elapsed);
|
|
sectorSpeedStart = 0;
|
|
timeSpeedStart = DateTime.UtcNow;
|
|
}
|
|
|
|
EndProgress?.Invoke();
|
|
}
|
|
}
|
|
} |