CD parity information database test

This commit is contained in:
chudov
2010-02-18 21:12:44 +00:00
parent d1dac45a10
commit e7eeeeb9a2
20 changed files with 1646 additions and 0 deletions

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using System;
using System.Collections.Generic;
using System.Text;
using CUETools.Codecs;
using CUETools.Parity;
namespace CUETools.CDRepair
{
public class CDRepair : IAudioDest
{
protected int sampleCount;
protected int finalSampleCount;
protected Galois galois;
protected RsDecode rs;
protected Crc32 crc32;
protected uint crc;
protected int[] encodeGx;
protected int stride;
protected int laststride;
protected int stridecount;
protected int npar;
public CDRepair(int finalSampleCount, int stride, int npar)
{
this.npar = npar;
this.stride = stride;
this.finalSampleCount = finalSampleCount;
sampleCount = 0;
galois = Galois16.instance;
rs = new RsDecode16(npar, galois);
crc32 = new Crc32();
crc = 0xffffffff;
encodeGx = galois.makeEncodeGxLog(npar);
laststride = stride + (finalSampleCount * 2) % stride;
stridecount = (finalSampleCount * 2) / stride - 2; // minus one for leadin and one for leadout
if ((finalSampleCount * 2 + stride - 1) / stride + npar > galois.Max)
throw new Exception("invalid stride");
}
public CDRepair(CDRepair src)
: this(src.finalSampleCount, src.stride, src.npar)
{
}
public unsafe void Write(AudioBuffer sampleBuffer)
{
throw new Exception("unsupported");
}
public unsafe void Close()
{
if (sampleCount != finalSampleCount)
throw new Exception("sampleCount != finalSampleCount");
}
public void Delete()
{
throw new Exception("unsupported");
}
public int CompressionLevel
{
get { return 0; }
set { }
}
public string Options
{
set
{
if (value == null || value == "") return;
throw new Exception("Unsupported options " + value);
}
}
public AudioPCMConfig PCM
{
get { return AudioPCMConfig.RedBook; }
}
public long FinalSampleCount
{
set
{
if (value < 0) // != _toc.Length?
throw new Exception("invalid FinalSampleCount");
finalSampleCount = (int)value;
}
}
public long BlockSize
{
set { throw new Exception("unsupported"); }
}
public string Path
{
get { throw new Exception("unsupported"); }
}
public uint CRC
{
get
{
return crc ^ 0xffffffff;
}
}
}
public class CDRepairEncode : CDRepair
{
protected byte[] parity;
protected ushort[,] syndrome;
protected ushort[] leadin;
protected ushort[] leadout;
protected bool verify;
protected bool hasErrors = false, canRecover = true;
protected int actualOffset = 0;
internal int[,] sigma;
internal int[,] omega;
internal int[,] errpos;
internal int[,] erroff;
internal int[] errors;
public CDRepairEncode(int finalSampleCount, int stride, int npar, bool verify)
: base (finalSampleCount, stride, npar)
{
this.verify = verify;
parity = new byte[stride * npar * 2];
if (verify)
{
syndrome = new ushort[stride, npar];
leadin = new ushort[stride * 2];
leadout = new ushort[stride + laststride];
} else
syndrome = new ushort[1, npar];
}
new public unsafe void Write(AudioBuffer sampleBuffer)
{
sampleBuffer.Prepare(this);
if ((sampleBuffer.ByteLength & 1) != 0)
throw new Exception("never happens");
int firstPos = Math.Max(0, stride - sampleCount * 2);
int lastPos = Math.Min(sampleBuffer.ByteLength >> 1, (finalSampleCount - sampleCount) * 2 - laststride);
fixed (byte* bytes = sampleBuffer.Bytes, par = parity)
fixed (int* gx = encodeGx)
fixed (uint* t = crc32.table)
fixed (ushort* exp = galois.ExpTbl, log = galois.LogTbl, synptr = syndrome)
{
ushort* data = (ushort*)bytes;
if (verify)
for (int pos = 0; pos < (sampleBuffer.ByteLength >> 1); pos++)
{
ushort dd = data[pos];
if (sampleCount * 2 + pos < 2 * stride)
leadin[sampleCount * 2 + pos] = dd;
int remaining = (finalSampleCount - sampleCount) * 2 - pos - 1;
if (remaining < stride + laststride)
leadout[remaining] = dd;
}
if (npar == 8)
{
for (int pos = firstPos; pos < lastPos; pos++)
{
int part = (sampleCount * 2 + pos) % stride;
ushort* wr = ((ushort*)par) + part * 8;
ushort dd = data[pos];
crc = (crc >> 8) ^ t[(byte)(crc ^ dd)];
crc = (crc >> 8) ^ t[(byte)(crc ^ (dd >> 8))];
int ib = wr[0] ^ dd;
if (ib != 0)
{
ushort* myexp = exp + log[ib];
wr[0] = (ushort)(wr[1] ^ myexp[19483]);
wr[1] = (ushort)(wr[2] ^ myexp[41576]);
wr[2] = (ushort)(wr[3] ^ myexp[9460]);
wr[3] = (ushort)(wr[4] ^ myexp[52075]);
wr[4] = (ushort)(wr[5] ^ myexp[9467]);
wr[5] = (ushort)(wr[6] ^ myexp[41590]);
wr[6] = (ushort)(wr[7] ^ myexp[19504]);
wr[7] = myexp[28];
}
else
{
wr[0] = wr[1];
wr[1] = wr[2];
wr[2] = wr[3];
wr[3] = wr[4];
wr[4] = wr[5];
wr[5] = wr[6];
wr[6] = wr[7];
wr[7] = 0;
}
// syn[i] += data[pos] * α^(pos*i)
if (verify && dd != 0)
{
ushort* syn = synptr + part * 8;
ushort* myexp = exp + log[dd];
int offs = stridecount - (sampleCount * 2 + pos) / stride;
syn[0] ^= dd;
syn[1] ^= myexp[offs];
syn[2] ^= myexp[(offs * 2) % 65535];
syn[3] ^= myexp[(offs * 3) % 65535];
syn[4] ^= myexp[(offs * 4) % 65535];
syn[5] ^= myexp[(offs * 5) % 65535];
syn[6] ^= myexp[(offs * 6) % 65535];
syn[7] ^= myexp[(offs * 7) % 65535];
//ushort logdd = log[dd];
//syn[1] ^= exp[(logdd + offs) % 65535];
//syn[2] ^= exp[(logdd + offs * 2) % 65535];
//syn[3] ^= exp[(logdd + offs * 3) % 65535];
//syn[4] ^= exp[(logdd + offs * 4) % 65535];
//syn[5] ^= exp[(logdd + offs * 5) % 65535];
//syn[6] ^= exp[(logdd + offs * 6) % 65535];
//syn[7] ^= exp[(logdd + offs * 7) % 65535];
}
}
}
else
{
for (int pos = firstPos; pos < lastPos; pos++)
{
int part = (sampleCount * 2 + pos) % stride;
ushort* wr = ((ushort*)par) + part * npar;
ushort dd = data[pos];
crc = (crc >> 8) ^ t[(byte)(crc ^ dd)];
crc = (crc >> 8) ^ t[(byte)(crc ^ (dd >> 8))];
if (verify)
{
ushort* syn = synptr + part * npar;
syn[0] ^= dd; // wk += data
for (int i = 1; i < npar; i++)
syn[i] = (ushort)(dd ^ galois.mulExp(syn[i], i)); // wk = data + wk * α^i
}
int ib = wr[0] ^ dd;
if (ib != 0)
{
ushort* myexp = exp + log[ib];
for (int i = 0; i < npar - 1; i++)
wr[i] = (ushort)(wr[i + 1] ^ myexp[gx[i]]);
wr[npar - 1] = myexp[gx[npar - 1]];
}
else
{
for (int i = 0; i < npar - 1; i++)
wr[i] = wr[i + 1];
wr[npar - 1] = 0;
}
}
}
}
sampleCount += sampleBuffer.Length;
}
public unsafe bool VerifyParity(byte[] parity2)
{
return VerifyParity(parity2, 0, parity2.Length);
}
public unsafe bool VerifyParity(byte[] parity2, int pos, int len)
{
if (!verify)
throw new Exception("verify was not enabled");
if (sampleCount != finalSampleCount)
throw new Exception("sampleCount != finalSampleCount");
if (len != stride * npar * 2)
throw new Exception("wrong size");
sigma = new int[stride, npar / 2 + 2];
omega = new int[stride, npar / 2 + 1];
errpos = new int[stride, npar / 2];
erroff = new int[stride, npar / 2];
errors = new int[stride];
actualOffset = 0;
// find offset
fixed (byte* par2ptr = &parity2[pos])
{
ushort* par2 = (ushort*)par2ptr;
int* syn = stackalloc int[npar];
int* _sigma = stackalloc int[npar];
int* _omega = stackalloc int[npar];
int* _errpos = stackalloc int[npar];
int bestErrors = npar;
// We can only use offset if Abs(offset * 2) < stride,
// else we might need to add/remove more than one sample
// from syndrome calculations, and that would be too difficult
// and will probably require longer leadin/leadout.
for (int offset = 1 - stride / 2; offset < stride / 2; offset++)
{
int err = 0;
for (int i = 0; i < npar; i++)
{
int part = (stride - 1) % stride;
int part2 = (part + offset * 2 + stride) % stride;
ushort* wr = par2 + part2 * npar;
syn[i] = syndrome[part, i];
// offset < 0
if (part < -offset * 2)
{
syn[i] ^= galois.mulExp(leadin[stride + part], (i * (stridecount - 1)) % galois.Max);
syn[i] = leadout[laststride - part - 1] ^ galois.mulExp(syn[i], i);
}
// offset > 0
if (part >= stride - offset * 2)
{
syn[i] = galois.divExp(syn[i] ^ leadout[laststride + stride - part - 1], i);
syn[i] ^= galois.mulExp(leadin[part], (i * (stridecount - 1)) % galois.Max);
}
for (int j = 0; j < npar; j++)
syn[i] = wr[j] ^ galois.mulExp(syn[i], i);
err |= syn[i];
}
if (err == 0)
{
actualOffset = offset;
bestErrors = 0;
break;
}
int err_count = rs.calcSigmaMBM(_sigma, _omega, syn);
if (err_count > 0 && rs.chienSearch(_errpos, stridecount + npar, err_count, _sigma))
{
if (err_count < bestErrors)
{
actualOffset = offset;
bestErrors = err_count;
}
}
}
}
hasErrors = false;
fixed (byte* par = &parity2[pos])
fixed (ushort* exp = galois.ExpTbl, log = galois.LogTbl)
{
int* syn = stackalloc int[npar];
int offset = actualOffset;
for (int part = 0; part < stride; part++)
{
int part2 = (part + offset * 2 + stride) % stride;
ushort* wr = (ushort*)par + part2 * npar;
int err = 0;
for (int i = 0; i < npar; i++)
{
syn[i] = syndrome[part, i];
// offset < 0
if (part < -offset * 2)
{
syn[i] ^= galois.mulExp(leadin[stride + part], (i * (stridecount - 1)) % galois.Max);
syn[i] = leadout[laststride - part - 1] ^ galois.mulExp(syn[i], i);
}
// offset > 0
if (part >= stride - offset * 2)
{
syn[i] = galois.divExp(syn[i] ^ leadout[laststride + stride - part - 1], i);
syn[i] ^= galois.mulExp(leadin[part], (i * (stridecount - 1)) % galois.Max);
}
//syn[i] = galois.mulExp(syn[i], i * npar);
for (int j = 0; j < npar; j++)
syn[i] = wr[j] ^ galois.mulExp(syn[i], i); // wk = data + wk * α^i
err |= syn[i];
}
//for (int j = 0; j < npar; j++)
// if (wr[j] != 0)
// {
// ushort* myexp = exp + log[wr[j]];
// syn[0] ^= wr[j];
// for (int i = 1; i < npar; i++)
// syn[i] ^= myexp[(npar - j - 1) * i];
// }
//for (int i = 0; i < npar; i++)
// err |= syn[i];
if (err != 0)
{
hasErrors = true;
fixed (int* s = &sigma[part, 0], o = &omega[part, 0], e = &errpos[part, 0], f = &erroff[part, 0])
{
errors[part] = rs.calcSigmaMBM(s, o, syn);
if (errors[part] <= 0 || !rs.chienSearch(e, stridecount + npar, errors[part], s))
canRecover = false;
else
{
for (int i = 0; i < errors[part]; i++)
f[i] = galois.toPos(stridecount + npar, e[i]);
}
}
}
else
errors[part] = 0;
}
}
return !hasErrors;
}
public byte[] Parity
{
get
{
return parity;
}
}
public bool HasErrors
{
get
{
return hasErrors;
}
}
public bool CanRecover
{
get
{
return canRecover;
}
}
public int ActualOffset
{
get
{
return actualOffset;
}
}
}
public class CDRepairFix : CDRepair
{
CDRepairEncode decode;
public CDRepairFix(CDRepairEncode decode)
: base(decode)
{
this.decode = decode;
}
new public unsafe void Write(AudioBuffer sampleBuffer)
{
sampleBuffer.Prepare(this);
if ((sampleBuffer.ByteLength & 1) != 0)
throw new Exception("never happens");
int firstPos = Math.Max(0, stride - sampleCount * 2 - decode.ActualOffset * 2);
int lastPos = Math.Min(sampleBuffer.ByteLength >> 1, (finalSampleCount - sampleCount) * 2 - laststride - decode.ActualOffset * 2);
fixed (byte* bytes = sampleBuffer.Bytes)
fixed (uint* t = crc32.table)
{
ushort* data = (ushort*)bytes;
for (int pos = firstPos; pos < lastPos; pos++)
{
int part = (sampleCount * 2 + pos) % stride;
int errors = decode.errors[part];
fixed (int* s = &decode.sigma[part, 0], o = &decode.omega[part, 0], f = &decode.erroff[part, 0])
for (int i = 0; i < errors; i++)
if (f[i] == (sampleCount * 2 + decode.ActualOffset * 2 + pos) / stride - 1)
data[pos] ^= (ushort)rs.doForney(errors, decode.errpos[part, i], s, o);
ushort dd = data[pos];
crc = (crc >> 8) ^ t[(byte)(crc ^ dd)];
crc = (crc >> 8) ^ t[(byte)(crc ^ (dd >> 8))];
}
}
sampleCount += sampleBuffer.Length;
}
}
}

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<ItemGroup>
<Reference Include="System" />
<Reference Include="System.Data" />
<Reference Include="System.Xml" />
</ItemGroup>
<ItemGroup>
<Compile Include="CDRepair.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
</ItemGroup>
<ItemGroup>
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<Name>CUETools.Parity</Name>
</ProjectReference>
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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Other similar extension points exist, see Microsoft.Common.targets.
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-->
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using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
// General Information about an assembly is controlled through the following
// set of attributes. Change these attribute values to modify the information
// associated with an assembly.
[assembly: AssemblyTitle("CUETools.CDRepair")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("Microsoft")]
[assembly: AssemblyProduct("CUETools.CDRepair")]
[assembly: AssemblyCopyright("Copyright © Microsoft 2010")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]
// Setting ComVisible to false makes the types in this assembly not visible
// to COM components. If you need to access a type in this assembly from
// COM, set the ComVisible attribute to true on that type.
[assembly: ComVisible(false)]
// The following GUID is for the ID of the typelib if this project is exposed to COM
[assembly: Guid("5e9cf235-c412-4f5f-bf0e-29acda362306")]
// Version information for an assembly consists of the following four values:
//
// Major Version
// Minor Version
// Build Number
// Revision
//
// You can specify all the values or you can default the Build and Revision Numbers
// by using the '*' as shown below:
// [assembly: AssemblyVersion("1.0.*")]
[assembly: AssemblyVersion("1.0.0.0")]
[assembly: AssemblyFileVersion("1.0.0.0")]

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<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="3.5" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<OutputType>Library</OutputType>
<AppDesignerFolder>Properties</AppDesignerFolder>
<RootNamespace>CUETools.CTDB</RootNamespace>
<AssemblyName>CUETools.CTDB</AssemblyName>
<TargetFrameworkVersion>v2.0</TargetFrameworkVersion>
<FileAlignment>512</FileAlignment>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<DebugSymbols>true</DebugSymbols>
<DebugType>full</DebugType>
<Optimize>false</Optimize>
<OutputPath>..\bin\Debug\</OutputPath>
<DefineConstants>DEBUG;TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
<DebugType>pdbonly</DebugType>
<Optimize>true</Optimize>
<OutputPath>..\bin\Release\</OutputPath>
<DefineConstants>TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
</PropertyGroup>
<ItemGroup>
<Reference Include="System" />
<Reference Include="System.Data" />
<Reference Include="System.Xml" />
</ItemGroup>
<ItemGroup>
<Compile Include="CUEToolsDB.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="UploadHelper\HttpUploadHelper.cs" />
<Compile Include="UploadHelper\MimePart.cs" />
<Compile Include="UploadHelper\StreamMimePart.cs" />
<Compile Include="UploadHelper\StringMimePart.cs" />
<Compile Include="UploadHelper\UploadFile.cs" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\CUETools.CDImage\CUETools.CDImage.csproj">
<Project>{1DD41038-D885-46C5-8DDE-E0B82F066584}</Project>
<Name>CUETools.CDImage</Name>
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<Project>{6458A13A-30EF-45A9-9D58-E5031B17BEE2}</Project>
<Name>CUETools.Codecs</Name>
</ProjectReference>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
Other similar extension points exist, see Microsoft.Common.targets.
<Target Name="BeforeBuild">
</Target>
<Target Name="AfterBuild">
</Target>
-->
</Project>

376
CUETools.CTDB/CUEToolsDB.cs Normal file
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using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Globalization;
using System.IO;
using System.Net;
using System.Text;
using CUETools.CDImage;
using CUETools.CDRepair;
using Krystalware.UploadHelper;
namespace CUETools.CTDB
{
public class CUEToolsDB
{
private CDRepairEncode verify;
private CDImageLayout toc;
private HttpStatusCode accResult;
private string id;
private byte[] contents;
private int pos;
private int length;
private int confidence;
private int total;
List<DBEntry> entries = new List<DBEntry>();
public CUEToolsDB(CDImageLayout toc)
{
this.toc = toc;
this.length = (int)toc.AudioLength * 588;
}
public void ContactDB(string id)
{
this.id = id;
// Calculate the three disc ids used by AR
uint discId1 = 0;
uint discId2 = 0;
uint cddbDiscId = 0;
string[] n = id.Split('-');
if (n.Length != 3)
throw new Exception("Invalid accurateRipId.");
discId1 = UInt32.Parse(n[0], NumberStyles.HexNumber);
discId2 = UInt32.Parse(n[1], NumberStyles.HexNumber);
cddbDiscId = UInt32.Parse(n[2], NumberStyles.HexNumber);
string url = String.Format("http://db.cuetools.net/parity/{0:x}/{1:x}/{2:x}/dBCT-{3:d3}-{4:x8}-{5:x8}-{6:x8}.bin",
discId1 & 0xF, discId1 >> 4 & 0xF, discId1 >> 8 & 0xF, toc.AudioTracks, discId1, discId2, cddbDiscId);
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
req.Method = "GET";
req.Proxy = WebRequest.GetSystemWebProxy();
try
{
HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
accResult = resp.StatusCode;
if (accResult == HttpStatusCode.OK)
{
using (Stream responseStream = resp.GetResponseStream())
{
using(MemoryStream memoryStream = new MemoryStream())
{
byte[] buffer = new byte[16536];
int count = 0;
do
{
count = responseStream.Read(buffer, 0, buffer.Length);
memoryStream.Write(buffer, 0, count);
} while (count != 0);
contents = memoryStream.ToArray();
}
}
}
Parse();
}
catch (WebException ex)
{
if (ex.Status == WebExceptionStatus.ProtocolError)
accResult = ((HttpWebResponse)ex.Response).StatusCode;
else
accResult = HttpStatusCode.BadRequest;
}
}
/// <summary>
/// Database entry format:
/// 'CTDB' version(0x00000100) size
/// 'HEAD' version(0x00000100) size disc-count total-submissions
/// 'DISC' version(0x00000100) size
/// 'TOC ' version(0x00000100) size track-count preGap
/// 'TRAK' ersion(0x00000100) size flags(1==isAudio) length(frames)
/// .... track-count
/// 'ARDB' version(0x00000100) size pressings-count
/// 'ARCD' version(0x00000100) size CRC1 ... CRCN
/// .... pressings-count
/// 'PAR8' version(0x00000100) size parity-data
/// 'CONF' version(0x00000100) size confidence
/// 'CRC ' version(0x00000100) size CRC32 min-offset max-offset ...
/// .... disc-count
/// </summary>
public string Submit(int confidence, int total)
{
if (id == null)
throw new Exception("no id");
// Calculate the three disc ids used by AR
uint discId1 = 0;
uint discId2 = 0;
uint cddbDiscId = 0;
string[] n = id.Split('-');
if (n.Length != 3)
throw new Exception("Invalid accurateRipId.");
discId1 = UInt32.Parse(n[0], NumberStyles.HexNumber);
discId2 = UInt32.Parse(n[1], NumberStyles.HexNumber);
cddbDiscId = UInt32.Parse(n[2], NumberStyles.HexNumber);
UploadFile[] files = new UploadFile[1];
MemoryStream newcontents = new MemoryStream();
using (DBHDR CTDB = new DBHDR(newcontents, "CTDB", 0x100))
{
using (DBHDR HEAD = new DBHDR(newcontents, "HEAD", 0x100))
{
DBHDR.WriteInt(newcontents, 1); // disc count
DBHDR.WriteInt(newcontents, total);
}
using (DBHDR DISC = new DBHDR(newcontents, "DISC", 0x100))
{
using (DBHDR TOC = new DBHDR(newcontents, "TOC ", 0x100))
{
DBHDR.WriteInt(newcontents, toc.TrackCount);
DBHDR.WriteInt(newcontents, toc.Pregap);
for (int i = 1; i <= toc.TrackCount; i++)
using (DBHDR TRAK = new DBHDR(newcontents, "TRAK", 0x100))
{
DBHDR.WriteInt(newcontents, toc[i].IsAudio ? 1 : 0);
DBHDR.WriteInt(newcontents, toc[i].Length);
}
}
using (DBHDR PAR8 = new DBHDR(newcontents, "CONF", 0x100))
{
DBHDR.WriteInt(newcontents, confidence);
}
using (DBHDR PAR8 = new DBHDR(newcontents, "CRC ", 0x100))
{
DBHDR.WriteInt(newcontents, verify.CRC);
}
using (DBHDR PAR8 = new DBHDR(newcontents, "PAR8", 0x100))
{
newcontents.Write(verify.Parity, 0, verify.Parity.Length);
}
}
}
newcontents.Position = 0;
files[0] = new UploadFile(newcontents, "uploadedfile", "data.bin", "image/binary");
HttpWebRequest req = (HttpWebRequest)WebRequest.Create("http://db.cuetools.net/uploader.php");
req.Proxy = WebRequest.GetSystemWebProxy();
NameValueCollection form = new NameValueCollection();
form.Add("id", String.Format("{0:d3}-{1:x8}-{2:x8}-{3:x8}", toc.AudioTracks, discId1, discId2, cddbDiscId));
HttpWebResponse resp = HttpUploadHelper.Upload(req, files, form);
string errtext;
using (Stream s = resp.GetResponseStream())
using (StreamReader sr = new StreamReader(s))
{
errtext = sr.ReadToEnd();
}
return errtext;
}
private string ReadHDR(out int end)
{
string res = Encoding.ASCII.GetString(contents, pos, 4);
pos += 4;
int version = ReadInt();
if (version >= 0x200)
throw new Exception("unsupported CTDB version");
int size = ReadInt();
end = pos + size;
return res;
}
private int ReadInt()
{
int value =
(contents[pos] +
(contents[pos + 1] << 8) +
(contents[pos + 2] << 16) +
(contents[pos + 3] << 24));
pos += 4;
return value;
}
private uint ReadUInt()
{
uint value =
((uint)contents[pos] +
((uint)contents[pos + 1] << 8) +
((uint)contents[pos + 2] << 16) +
((uint)contents[pos + 3] << 24));
pos += 4;
return value;
}
private void Parse()
{
if (accResult != HttpStatusCode.OK)
return;
pos = 0;
int end;
string hdr = ReadHDR(out end);
if (hdr != "CTDB") throw new Exception("invalid CTDB file");
if (end != contents.Length) throw new Exception("incomplete CTDB file");
hdr = ReadHDR(out end);
if (hdr != "HEAD") throw new Exception("invalid CTDB file");
int discCount = ReadInt();
total = ReadInt();
pos = end;
while (pos < contents.Length)
{
hdr = ReadHDR(out end);
if (hdr != "DISC")
{
pos = end;
continue;
}
int endDisc = end;
uint crc = 0;
int parPos = 0, parLen = 0, conf = 0;
while (pos < endDisc)
{
hdr = ReadHDR(out end);
if (hdr == "PAR8")
{
parPos = pos;
parLen = end - pos;
}
else if (hdr == "CRC ")
crc = ReadUInt();
else if (hdr == "CONF")
conf = ReadInt();
pos = end;
}
if (parPos != 0)
entries.Add(new DBEntry(parPos, parLen, conf, crc));
}
}
public void DoVerify()
{
foreach (DBEntry entry in entries)
{
verify.VerifyParity(contents, entry.pos, entry.len);
if (!verify.HasErrors || verify.CanRecover)
confidence = entry.conf;
break;
}
}
public void Init()
{
verify = new CDRepairEncode(length, 10 * 588 * 2, 8, accResult == HttpStatusCode.OK);
}
public int Total
{
get
{
return total;
}
}
public HttpStatusCode AccResult
{
get
{
return accResult;
}
}
public CDRepairEncode Verify
{
get
{
return verify;
}
}
public string DBStatus
{
get
{
return accResult == HttpStatusCode.NotFound ? "disk not present in database" :
accResult == HttpStatusCode.OK ? null
: accResult.ToString();
}
}
public string Status
{
get
{
//sw.WriteLine("CUETools DB CRC: {0:x8}", Verify.CRC);
if (DBStatus != null)
return DBStatus;
if (!verify.HasErrors)
return string.Format("verified OK, confidence {0}/{1}", confidence, total);
if (verify.CanRecover)
return string.Format("contains correctable errors, confidence {0}/{1}", confidence, total);
return "could not be verified";
}
}
}
internal class DBEntry
{
public int pos;
public int len;
public int conf;
public uint crc;
public DBEntry(int pos, int len, int conf, uint crc)
{
this.pos = pos;
this.len = len;
this.conf = conf;
this.crc = crc;
}
}
internal class DBHDR : IDisposable
{
private long lenOffs;
private MemoryStream stream;
public DBHDR(MemoryStream stream, string name, int version)
{
this.stream = stream;
stream.Write(Encoding.ASCII.GetBytes(name), 0, 4);
WriteInt(stream, version);
lenOffs = stream.Position;
WriteInt(stream, 0);
}
public void Dispose()
{
long fin = stream.Position;
stream.Position = lenOffs;
WriteInt(stream, (int)(fin - lenOffs - 4));
stream.Position = fin;
}
public static void WriteInt(MemoryStream stream, int value)
{
byte[] temp = new byte[4];
temp[0] = (byte)(value & 0xff);
temp[1] = (byte)((value >> 8) & 0xff);
temp[2] = (byte)((value >> 16) & 0xff);
temp[3] = (byte)((value >> 24) & 0xff);
stream.Write(temp, 0, 4);
}
public static void WriteInt(MemoryStream stream, uint value)
{
byte[] temp = new byte[4];
temp[0] = (byte)(value & 0xff);
temp[1] = (byte)((value >> 8) & 0xff);
temp[2] = (byte)((value >> 16) & 0xff);
temp[3] = (byte)((value >> 24) & 0xff);
stream.Write(temp, 0, 4);
}
}
}

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@@ -0,0 +1,36 @@
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
// General Information about an assembly is controlled through the following
// set of attributes. Change these attribute values to modify the information
// associated with an assembly.
[assembly: AssemblyTitle("CUETools.CTDB")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("Microsoft")]
[assembly: AssemblyProduct("CUETools.CTDB")]
[assembly: AssemblyCopyright("Copyright © Microsoft 2010")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]
// Setting ComVisible to false makes the types in this assembly not visible
// to COM components. If you need to access a type in this assembly from
// COM, set the ComVisible attribute to true on that type.
[assembly: ComVisible(false)]
// The following GUID is for the ID of the typelib if this project is exposed to COM
[assembly: Guid("ac77f009-6d70-4a1c-9675-c5fec3bfe20b")]
// Version information for an assembly consists of the following four values:
//
// Major Version
// Minor Version
// Build Number
// Revision
//
// You can specify all the values or you can default the Build and Revision Numbers
// by using the '*' as shown below:
// [assembly: AssemblyVersion("1.0.*")]
[assembly: AssemblyVersion("1.0.0.0")]
[assembly: AssemblyFileVersion("1.0.0.0")]

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// http://aspnetupload.com
// Copyright <20> 2009 Krystalware, Inc.
//
// This work is licensed under a Creative Commons Attribution-Share Alike 3.0 United States License
// http://creativecommons.org/licenses/by-sa/3.0/us/
using System;
using System.Collections.Generic;
using System.Text;
using System.Collections.Specialized;
using System.Net;
using System.IO;
namespace Krystalware.UploadHelper
{
public class HttpUploadHelper
{
private HttpUploadHelper()
{ }
public static string Upload(string url, UploadFile[] files, NameValueCollection form)
{
HttpWebResponse resp = Upload((HttpWebRequest)WebRequest.Create(url), files, form);
using (Stream s = resp.GetResponseStream())
using (StreamReader sr = new StreamReader(s))
{
return sr.ReadToEnd();
}
}
public static HttpWebResponse Upload(HttpWebRequest req, UploadFile[] files, NameValueCollection form)
{
List<MimePart> mimeParts = new List<MimePart>();
try
{
foreach (string key in form.AllKeys)
{
StringMimePart part = new StringMimePart();
part.Headers["Content-Disposition"] = "form-data; name=\"" + key + "\"";
part.StringData = form[key];
mimeParts.Add(part);
}
int nameIndex = 0;
foreach (UploadFile file in files)
{
StreamMimePart part = new StreamMimePart();
if (string.IsNullOrEmpty(file.FieldName))
file.FieldName = "file" + nameIndex++;
part.Headers["Content-Disposition"] = "form-data; name=\"" + file.FieldName + "\"; filename=\"" + file.FileName + "\"";
part.Headers["Content-Type"] = file.ContentType;
part.SetStream(file.Data);
mimeParts.Add(part);
}
string boundary = "----------" + DateTime.Now.Ticks.ToString("x");
req.ContentType = "multipart/form-data; boundary=" + boundary;
req.Method = "POST";
long contentLength = 0;
byte[] _footer = Encoding.UTF8.GetBytes("--" + boundary + "--\r\n");
foreach (MimePart part in mimeParts)
{
contentLength += part.GenerateHeaderFooterData(boundary);
}
req.ContentLength = contentLength + _footer.Length;
byte[] buffer = new byte[8192];
byte[] afterFile = Encoding.UTF8.GetBytes("\r\n");
int read;
using (Stream s = req.GetRequestStream())
{
foreach (MimePart part in mimeParts)
{
s.Write(part.Header, 0, part.Header.Length);
while ((read = part.Data.Read(buffer, 0, buffer.Length)) > 0)
s.Write(buffer, 0, read);
part.Data.Dispose();
s.Write(afterFile, 0, afterFile.Length);
}
s.Write(_footer, 0, _footer.Length);
}
return (HttpWebResponse)req.GetResponse();
}
catch
{
foreach (MimePart part in mimeParts)
if (part.Data != null)
part.Data.Dispose();
throw;
}
}
}
}

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// http://aspnetupload.com
// Copyright <20> 2009 Krystalware, Inc.
//
// This work is licensed under a Creative Commons Attribution-Share Alike 3.0 United States License
// http://creativecommons.org/licenses/by-sa/3.0/us/
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Collections.Specialized;
namespace Krystalware.UploadHelper
{
public abstract class MimePart
{
NameValueCollection _headers = new NameValueCollection();
byte[] _header;
public NameValueCollection Headers
{
get { return _headers; }
}
public byte[] Header
{
get { return _header; }
}
public long GenerateHeaderFooterData(string boundary)
{
StringBuilder sb = new StringBuilder();
sb.Append("--");
sb.Append(boundary);
sb.AppendLine();
foreach (string key in _headers.AllKeys)
{
sb.Append(key);
sb.Append(": ");
sb.AppendLine(_headers[key]);
}
sb.AppendLine();
_header = Encoding.UTF8.GetBytes(sb.ToString());
return _header.Length + Data.Length + 2;
}
public abstract Stream Data { get; }
}
}

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@@ -0,0 +1,35 @@
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
// General Information about an assembly is controlled through the following
// set of attributes. Change these attribute values to modify the information
// associated with an assembly.
[assembly: AssemblyTitle("UploadHelper")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("Microsoft")]
[assembly: AssemblyProduct("UploadHelper")]
[assembly: AssemblyCopyright("Copyright © Microsoft 2009")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]
// Setting ComVisible to false makes the types in this assembly not visible
// to COM components. If you need to access a type in this assembly from
// COM, set the ComVisible attribute to true on that type.
[assembly: ComVisible(false)]
// The following GUID is for the ID of the typelib if this project is exposed to COM
[assembly: Guid("13eac2b4-c1d5-4317-a17a-5389ad4c6005")]
// Version information for an assembly consists of the following four values:
//
// Major Version
// Minor Version
// Build Number
// Revision
//
// You can specify all the values or you can default the Revision and Build Numbers
// by using the '*' as shown below:
[assembly: AssemblyVersion("1.0.0.0")]
[assembly: AssemblyFileVersion("1.0.0.0")]

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@@ -0,0 +1,31 @@
// http://aspnetupload.com
// Copyright <20> 2009 Krystalware, Inc.
//
// This work is licensed under a Creative Commons Attribution-Share Alike 3.0 United States License
// http://creativecommons.org/licenses/by-sa/3.0/us/
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
namespace Krystalware.UploadHelper
{
public class StreamMimePart : MimePart
{
Stream _data;
public void SetStream(Stream stream)
{
_data = stream;
}
public override Stream Data
{
get
{
return _data;
}
}
}
}

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// http://aspnetupload.com
// Copyright <20> 2009 Krystalware, Inc.
//
// This work is licensed under a Creative Commons Attribution-Share Alike 3.0 United States License
// http://creativecommons.org/licenses/by-sa/3.0/us/
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
namespace Krystalware.UploadHelper
{
public class StringMimePart : MimePart
{
Stream _data;
public string StringData
{
set
{
_data = new MemoryStream(Encoding.UTF8.GetBytes(value));
}
}
public override Stream Data
{
get
{
return _data;
}
}
}
}

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@@ -0,0 +1,61 @@
// http://aspnetupload.com
// Copyright <20> 2009 Krystalware, Inc.
//
// This work is licensed under a Creative Commons Attribution-Share Alike 3.0 United States License
// http://creativecommons.org/licenses/by-sa/3.0/us/
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
namespace Krystalware.UploadHelper
{
public class UploadFile
{
Stream _data;
string _fieldName;
string _fileName;
string _contentType;
public UploadFile(Stream data, string fieldName, string fileName, string contentType)
{
_data = data;
_fieldName = fieldName;
_fileName = fileName;
_contentType = contentType;
}
public UploadFile(string fileName, string fieldName, string contentType)
: this(File.OpenRead(fileName), fieldName, Path.GetFileName(fileName), contentType)
{ }
public UploadFile(string fileName)
: this(fileName, null, "application/octet-stream")
{ }
public Stream Data
{
get { return _data; }
set { _data = value; }
}
public string FieldName
{
get { return _fieldName; }
set { _fieldName = value; }
}
public string FileName
{
get { return _fileName; }
set { _fileName = value; }
}
public string ContentType
{
get { return _contentType; }
set { _contentType = value; }
}
}
}

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<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProductVersion>8.0.50727</ProductVersion>
<SchemaVersion>2.0</SchemaVersion>
<ProjectGuid>{02FBD52C-B997-4D18-9E2C-81B5AE8EFB30}</ProjectGuid>
<OutputType>Library</OutputType>
<AppDesignerFolder>Properties</AppDesignerFolder>
<RootNamespace>Krystalware.UploadHelper</RootNamespace>
<AssemblyName>Krystalware.UploadHelper</AssemblyName>
<SccProjectName>
</SccProjectName>
<SccLocalPath>
</SccLocalPath>
<SccAuxPath>
</SccAuxPath>
<SccProvider>
</SccProvider>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<DebugSymbols>true</DebugSymbols>
<DebugType>full</DebugType>
<Optimize>false</Optimize>
<OutputPath>bin\Debug\</OutputPath>
<DefineConstants>DEBUG;TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
<DebugType>pdbonly</DebugType>
<Optimize>true</Optimize>
<OutputPath>bin\Release\</OutputPath>
<DefineConstants>TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
</PropertyGroup>
<ItemGroup>
<Reference Include="System" />
<Reference Include="System.Data" />
<Reference Include="System.Xml" />
</ItemGroup>
<ItemGroup>
<Compile Include="MimePart.cs" />
<Compile Include="HttpUploadHelper.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="StreamMimePart.cs" />
<Compile Include="StringMimePart.cs" />
<Compile Include="UploadFile.cs" />
</ItemGroup>
<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
Other similar extension points exist, see Microsoft.Common.targets.
<Target Name="BeforeBuild">
</Target>
<Target Name="AfterBuild">
</Target>
-->
</Project>

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<?php
/**
* Convert php.ini shorthands to byte
*
* @author <gilthans dot NO dot SPAM at gmail dot com>
* @link http://de3.php.net/manual/en/ini.core.php#79564
*/
function php_to_byte($v){
$l = substr($v, -1);
$ret = substr($v, 0, -1);
switch(strtoupper($l)){
case 'P':
$ret *= 1024;
case 'T':
$ret *= 1024;
case 'G':
$ret *= 1024;
case 'M':
$ret *= 1024;
case 'K':
$ret *= 1024;
break;
}
return $ret;
}
// Return the human readable size of a file
// @param int $size a file size
// @param int $dec a number of decimal places
function filesize_h($size, $dec = 1)
{
$sizes = array('byte(s)', 'kb', 'mb', 'gb');
$count = count($sizes);
$i = 0;
while ($size >= 1024 && ($i < $count - 1)) {
$size /= 1024;
$i++;
}
return round($size, $dec) . ' ' . $sizes[$i];
}
$file = $_FILES['uploadedfile'];
//echo $file['name'], ini_get('upload_max_filesize');
// give info on PHP catched upload errors
if($file['error']) switch($file['error']){
case 1:
case 2:
echo sprintf($lang['uploadsize'],
filesize_h(php_to_byte(ini_get('upload_max_filesize'))));
echo "Error ", $file['error'];
return;
default:
echo $lang['uploadfail'];
echo "Error ", $file['error'];
}
$id = $_POST['id'];
$err = sscanf($id, "%d-%x-%x-%x", $tracks, $id1, $id2, $cddbid);
$target_path = sprintf("parity/%x/%x/%x", $id1 & 15, ($id1 >> 4) & 15, ($id1 >> 8) & 15);
$target_file = sprintf("%s/dBCT-%03d-%08x-%08x-%08x.bin", $target_path, $tracks, $id1, $id2, $cddbid);
@mkdir($target_path, 0777, true);
if(move_uploaded_file($file['tmp_name'], $target_file)) {
echo "The file ". $target_file. " has been uploaded";
} else{
echo "There was an error uploading the file, please try again!";
}
?>

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@@ -0,0 +1,14 @@
<?php
$target_path = "parity/";
$target_path = $target_path . basename( $_FILES['uploadedfile']['name']);
$source_path = $_FILES['uploadedfile']['tmp_name'];
if(move_uploaded_file($_FILES['uploadedfile']['tmp_name'], $target_path)) {
echo "The file ". basename( $_FILES['uploadedfile']['name']).
" has been uploaded";
} else{
echo $target_path, ":", $source_path;
echo "There was an error uploading the file, please try again!";
}
?>

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<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="3.5" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProductVersion>9.0.30729</ProductVersion>
<SchemaVersion>2.0</SchemaVersion>
<ProjectGuid>{ECEB839C-171B-4535-958F-9899310A0342}</ProjectGuid>
<OutputType>Library</OutputType>
<AppDesignerFolder>Properties</AppDesignerFolder>
<RootNamespace>CUETools.Parity</RootNamespace>
<AssemblyName>CUETools.Parity</AssemblyName>
<TargetFrameworkVersion>v2.0</TargetFrameworkVersion>
<FileAlignment>512</FileAlignment>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<DebugSymbols>true</DebugSymbols>
<DebugType>full</DebugType>
<Optimize>false</Optimize>
<OutputPath>..\bin\Debug\</OutputPath>
<DefineConstants>DEBUG;TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
<DebugType>pdbonly</DebugType>
<Optimize>true</Optimize>
<OutputPath>..\bin\Release\</OutputPath>
<DefineConstants>TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
</PropertyGroup>
<ItemGroup>
<Reference Include="System" />
<Reference Include="System.Data" />
<Reference Include="System.Xml" />
</ItemGroup>
<ItemGroup>
<Compile Include="Galois.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="RsDecode.cs" />
<Compile Include="RsEncode.cs" />
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
Other similar extension points exist, see Microsoft.Common.targets.
<Target Name="BeforeBuild">
</Target>
<Target Name="AfterBuild">
</Target>
-->
</Project>

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@@ -0,0 +1,36 @@
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
// General Information about an assembly is controlled through the following
// set of attributes. Change these attribute values to modify the information
// associated with an assembly.
[assembly: AssemblyTitle("CUETools.Parity")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("Microsoft")]
[assembly: AssemblyProduct("CUETools.Parity")]
[assembly: AssemblyCopyright("Copyright © Microsoft 2010")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]
// Setting ComVisible to false makes the types in this assembly not visible
// to COM components. If you need to access a type in this assembly from
// COM, set the ComVisible attribute to true on that type.
[assembly: ComVisible(false)]
// The following GUID is for the ID of the typelib if this project is exposed to COM
[assembly: Guid("4310d522-9bbb-4a7f-a4e6-154bfcb8fa12")]
// Version information for an assembly consists of the following four values:
//
// Major Version
// Minor Version
// Build Number
// Revision
//
// You can specify all the values or you can default the Build and Revision Numbers
// by using the '*' as shown below:
// [assembly: AssemblyVersion("1.0.*")]
[assembly: AssemblyVersion("1.0.0.0")]
[assembly: AssemblyFileVersion("1.0.0.0")]

BIN
CUETools.Parity/RsDecode.cs Normal file

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CUETools.Parity/RsEncode.cs Normal file

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