public static Mp3XingBlock.Model Create(byte[] buf, Mp3Header header)
{
System.Diagnostics.Debug.Assert(header.IsMpegLayer3);
int xix = header.XingOffset;
string xingString = ConvertTo.FromAsciiToString(buf, xix, 4);
if (xingString == "Info" || xingString == "Xing")
{
string lameString = ConvertTo.FromAsciiToString(buf, xix + 0x78, 9);
if (lameString.StartsWith("LAME"))
{
return(new Mp3LameBlock.Model(buf, xix, header, xingString, lameString));
}
else
{
return(new Mp3XingBlock.Model(buf, xix, header, xingString));
}
}
return(null);
}
public override void GetReportDetail(IList <string> report)
{
if (report.Count > 0)
{
report.Add(String.Empty);
}
report.Add("Meta header:");
report.Add($" Minimum block size = {MinBlockSize}");
report.Add($" Maximum block size = {MaxBlockSize}");
report.Add($" Minimum frame size = {MinFrameSize}");
report.Add($" Maximum frame size = {MaxFrameSize}");
report.Add($" Sample rate = {MetaSampleRate} Hz");
report.Add($" Number of channels = {ChannelCount}");
report.Add($" Bits per sample = {BitsPerSample}");
report.Add(" Total samples = " + (TotalSamples != 0? TotalSamples.ToString() : " (unknown)"));
report.Add(String.Empty);
report.Add("Raw audio header: " + ConvertTo.ToBitString(aHdr, 1));
report.Add(String.Empty);
report.Add("Cooked audio header:");
report.Add($" Blocking strategy = {BlockingStrategyText}");
report.Add($" Block size = {BlockSize} samples");
report.Add($" Sample rate = {SampleRateText}");
report.Add($" Channel assignment = {ChannelAssignmentText}");
report.Add($" Sample size = {SampleSizeText}");
report.Add($" Sample/frame number = {SampleOrFrameNumber}");
report.Add(String.Empty);
report.Add("Checks:");
report.Add($" Stored audio header CRC-8 = {StoredAudioHeaderCRC8ToHex}");
if (ActualAudioHeaderCRC8 != null)
{
report.Add($" Actual audio header CRC-8 = {ActualAudioHeaderCRC8ToHex}");
}
report.Add($" Stored audio block CRC-16 = {StoredAudioBlockCRC16ToHex}");
if (ActualAudioBlockCRC16 != null)
{
report.Add($" Actual audio block CRC-16 = {ActualAudioBlockCRC16ToHex}");
}
report.Add($" Stored PCM MD5 = {StoredAudioDataMD5ToHex}");
if (actualAudioDataMD5 != null)
{
report.Add($" Actual PCM MD5 = {ActualAudioDataMD5ToHex}");
}
if (ActualPcmCRC32 != null)
{
report.Add($" Actual PCM CRC-32 = {ActualPcmCRC32ToHex}");
}
report.Add(String.Empty);
report.Add($"Layout = {Layout}");
if (Blocks.Tags != null)
{
report.Add(String.Empty);
report.Add("Tags:");
report.Add($" Vendor: {Blocks.Tags.Vendor}");
foreach (var item in Blocks.Tags.Lines)
{
report.Add($" {item}");
}
}
}
public Model(Stream stream, byte[] hdr, string path)
{
base._data = Data = new FlacFormat(this, stream, path);
Data.MetadataBlockStreamInfoSize = ConvertTo.FromBig24ToInt32(hdr, 5);
if (Data.MetadataBlockStreamInfoSize < 34)
{
IssueModel.Add($"Bad metablock size of {Data.MetadataBlockStreamInfoSize}", Severity.Fatal);
return;
}
var bb = new byte[Data.MetadataBlockStreamInfoSize];
Data.ValidSize = 8;
Data.fbs.Position = Data.ValidSize;
var got = Data.fbs.Read(bb, 0, Data.MetadataBlockStreamInfoSize);
if (got != Data.MetadataBlockStreamInfoSize)
{
IssueModel.Add("File truncated", Severity.Fatal);
return;
}
Data.MinBlockSize = ConvertTo.FromBig16ToInt32(bb, 0);
Data.MinBlockSize = ConvertTo.FromBig16ToInt32(bb, 2);
Data.MinFrameSize = ConvertTo.FromBig24ToInt32(bb, 4);
Data.MaxFrameSize = ConvertTo.FromBig24ToInt32(bb, 7);
Data.MetaSampleRate = bb[10] << 12 | bb[11] << 4 | bb[12] >> 4;
Data.ChannelCount = ((bb[12] & 0x0E) >> 1) + 1;
Data.BitsPerSample = (((bb[12] & 1) << 4) | (bb[13] >> 4)) + 1;
Data.TotalSamples = ((bb[13] & 0x0F) << 32) | bb[14] << 24 | bb[15] << 16 | bb[16] << 8 | bb[17];
Data.storedAudioDataMD5 = new byte[16];
Array.Copy(bb, 18, Data.storedAudioDataMD5, 0, 16);
Data.ValidSize += Data.MetadataBlockStreamInfoSize;
for (;;)
{
bb = new byte[12];
try
{
Data.fbs.Position = Data.ValidSize;
}
catch (EndOfStreamException)
{
IssueModel.Add("File truncated near meta data", Severity.Fatal);
return;
}
Data.fbs.Position = Data.ValidSize;
got = Data.fbs.Read(bb, 0, 4);
if (got != 4)
{
IssueModel.Add("File truncated near meta data", Severity.Fatal);
return;
}
if (bb[0] == 0xFF)
{
break;
}
int blockSize = ConvertTo.FromBig24ToInt32(bb, 1);
Data.ValidSize += 4;
switch ((FlacBlockType)(bb[0] & 0x7F))
{
case FlacBlockType.Padding:
Data.Blocks.AddPad((int)Data.ValidSize, blockSize);
break;
case FlacBlockType.Application:
got = Data.fbs.Read(bb, 0, 4);
if (got != 4)
{
IssueModel.Add("File truncated near tags", Severity.Fatal);
return;
}
int appId = ConvertTo.FromBig32ToInt32(bb, 0);
Data.Blocks.AddApp((int)Data.ValidSize, blockSize, appId);
break;
case FlacBlockType.SeekTable:
var st = new byte[blockSize];
got = Data.fbs.Read(st, 0, blockSize);
if (got != blockSize)
{
IssueModel.Add("File truncated near seek table", Severity.Fatal);
return;
}
Data.Blocks.AddSeekTable((int)Data.ValidSize, blockSize, st);
break;
case FlacBlockType.Tags:
bb = new byte[blockSize];
Data.fbs.Position = Data.ValidSize;
got = Data.fbs.Read(bb, 0, blockSize);
if (got != blockSize)
{
IssueModel.Add("File truncated near tags", Severity.Fatal);
return;
}
if (Data.Blocks.Tags != null)
{
IssueModel.Add("Contains multiple tag blocks", Severity.Error);
}
else
{
Data.Blocks.AddTags((int)Data.ValidSize, blockSize, bb);
}
break;
case FlacBlockType.CueSheet:
var sb = new byte[284];
got = Data.fbs.Read(sb, 0, 284);
if (got != 284)
{
IssueModel.Add("File truncated near cuesheet", Severity.Fatal);
return;
}
var isCD = (sb[24] & 0x80) != 0;
int trackCount = sb[283];
Data.Blocks.AddCuesheet((int)Data.ValidSize, blockSize, isCD, trackCount);
break;
case FlacBlockType.Picture:
var pb = new byte[blockSize];
got = Data.fbs.Read(pb, 0, blockSize);
if (got != blockSize)
{
IssueModel.Add("File truncated near picture", Severity.Fatal);
return;
}
var picType = (PicType)ConvertTo.FromBig32ToInt32(pb, 0);
var mimeLen = ConvertTo.FromBig32ToInt32(pb, 4);
var mime = Encoding.UTF8.GetString(pb, 8, mimeLen);
var descLen = ConvertTo.FromBig32ToInt32(pb, mimeLen + 8);
var desc = Encoding.UTF8.GetString(pb, mimeLen + 12, descLen);
var width = ConvertTo.FromBig32ToInt32(pb, mimeLen + descLen + 12);
var height = ConvertTo.FromBig32ToInt32(pb, mimeLen + descLen + 16);
Data.Blocks.AddPic((int)Data.ValidSize, blockSize, picType, width, height);
break;
case FlacBlockType.Invalid:
IssueModel.Add("Encountered invalid block type", Severity.Fatal);
return;
default:
IssueModel.Add($"Encountered reserved block type '{bb[0]}'", Severity.Warning);
break;
}
Data.ValidSize += blockSize;
}
try
{
Data.fbs.Position = Data.ValidSize;
}
catch (EndOfStreamException)
{
IssueModel.Add("File truncated near frame header", Severity.Fatal);
return;
}
got = Data.fbs.Read(bb, 0, 4);
if (got != 4)
{
IssueModel.Add("File truncated", Severity.Fatal);
return;
}
// Detect frame header sync code
if (bb[0] != 0xFF || (bb[1] & 0xFC) != 0xF8)
{
IssueModel.Add("Audio data not found", Severity.Fatal);
return;
}
Data.mediaPosition = Data.ValidSize;
Data.SampleOrFrameNumber = Data.fbs.ReadWobbly(out byte[] wtfBuf);
if (Data.SampleOrFrameNumber < 0)
{
IssueModel.Add("File truncated or badly formed sample/frame number.", Severity.Fatal);
return;
}
Array.Copy(wtfBuf, 0, bb, 4, wtfBuf.Length);
int bPos = 4 + wtfBuf.Length;
Data.RawBlockingStrategy = bb[1] & 1;
Data.RawBlockSize = bb[2] >> 4;
if (Data.RawBlockSize == 0)
{
Data.BlockSize = 0;
}
else if (Data.RawBlockSize == 1)
{
Data.BlockSize = 192;
}
else if (Data.RawBlockSize >= 2 && Data.RawBlockSize <= 5)
{
Data.BlockSize = 576 * (1 << (Data.RawBlockSize - 2));
}
else if (Data.RawBlockSize == 6)
{
got = Data.fbs.Read(bb, bPos, 1);
Data.BlockSize = bb[bPos] + 1;
bPos += 1;
}
else if (Data.RawBlockSize == 7)
{
got = Data.fbs.Read(bb, bPos, 2);
Data.BlockSize = (bb[bPos] << 8) + bb[bPos + 1] + 1;
bPos += 2;
}
else
{
Data.BlockSize = 256 * (1 << (Data.RawBlockSize - 8));
}
Data.RawSampleRate = bb[2] & 0xF;
if (Data.RawSampleRate == 0xC)
{
got = Data.fbs.Read(bb, bPos, 1);
Data.SampleRateText = bb[bPos] + "kHz";
bPos += 1;
}
else if (Data.RawSampleRate == 0xD || Data.RawSampleRate == 0xE)
{
got = Data.fbs.Read(bb, bPos, 2);
Data.SampleRateText = (bb[bPos] << 8).ToString() + bb[bPos + 1] + (Data.RawSampleRate == 0xD? " Hz" : " kHz");
bPos += 2;
}
else if (Data.RawSampleRate == 0)
{
Data.SampleRateText = Data.MetaSampleRate.ToString() + " Hz";
}
else
{
Data.SampleRateText = SampleRateMap[Data.RawSampleRate];
}
Data.RawChannelAssignment = bb[3] >> 4;
Data.RawSampleSize = (bb[3] & 0xE) >> 1;
if (Data.RawSampleSize == 0)
{
Data.SampleSizeText = Data.BitsPerSample.ToString() + " bits";
}
else
{
Data.SampleSizeText = SampleSizeMap[Data.RawSampleSize];
}
Data.aHdr = new byte[bPos];
Array.Copy(bb, Data.aHdr, bPos);
Data.ValidSize += bPos;
Data.fbs.Position = Data.ValidSize;
int octet = Data.fbs.ReadByte();
if (octet < 0)
{
IssueModel.Add("File truncated near CRC-8", Severity.Fatal);
return;
}
Data.StoredAudioHeaderCRC8 = (Byte)octet;
try
{
Data.fbs.Position = Data.mediaPosition;
}
catch (EndOfStreamException)
{
IssueModel.Add("File truncated near audio data", Severity.Fatal);
return;
}
try
{
Data.fbs.Position = Data.FileSize - 2;
}
catch (EndOfStreamException)
{
IssueModel.Add("File truncated looking for end", Severity.Fatal);
return;
}
bb = new byte[2];
if (Data.fbs.Read(bb, 0, 2) != 2)
{
IssueModel.Add("Read failed on audio block CRC-16", Severity.Fatal);
return;
}
Data.StoredAudioBlockCRC16 = (UInt16)(bb[0] << 8 | bb[1]);
Data.MediaCount = Data.FileSize - Data.mediaPosition;
GetDiagnostics();
}
public EbmlNodeCRC(EbmlSig element, byte[] payload, long start, long count) : base(element)
{
this.Start = start;
this.Count = count;
this.StoredCRC32 = ConvertTo.FromLit32ToUInt32(payload, 0);
}
public override void GetReportDetail(IList <string> report)
{
if (Issues.HasFatal)
{
return;
}
report.Add($"MPEG size = {MediaCount}");
if (Xing != null)
{
report.Add($"XING size = {Xing.XingSize}");
}
if (Lame != null)
{
report.Add($"LAME size = {Lame.LameSize}");
}
report.Add(String.Empty);
report.Add($"Raw audio header: {ConvertTo.ToBitString (Header.Bits, 32)}");
report.Add(String.Empty);
report.Add("Cooked audio header:");
report.Add($" Codec = {Header.Codec}");
report.Add($" Bit rate = {Header.BitRateText}");
report.Add($" Frequency = {Header.SampleRateText}");
report.Add($" Mode = {Header.ModeText}");
report.Add($" CRC protection bit = {Header.CrcProtectedBit}");
report.Add($" Padding bit = {Header.PaddingBit}");
report.Add($" Private bit = {Header.PrivateBit}");
report.Add($" Copyright bit = {Header.CopyrightBit}");
report.Add($" Original bit = {Header.OriginalBit}");
report.Add($" Emphasis = {Header.EmphasisText}");
if (Xing != null)
{
report.Add(String.Empty);
report.Add("XING:");
report.Add($" String = {Xing.XingString}");
report.Add($" Layout = {Xing.Layout}");
}
if (Lame != null)
{
report.Add(String.Empty);
report.Add("LAME:");
report.Add($" Version string = {Lame.LameVersion}");
report.Add($" Profile string = {Lame.Profile}");
report.Add($" Profile detail = {Lame.Method}");
report.Add($" Tag revision = {Lame.TagRevision}");
report.Add($" Lowpass filter = {Lame.LowpassFilter}");
report.Add($" Replay Gain: Peak = {Lame.ReplayGainPeak}, Radio = {Lame.RadioReplayGain:X4}, Audiophile = {Lame.AudiophileReplayGain:X4}");
report.Add($" Lame encoding flags = {ConvertTo.ToBitString (Lame.LameFlags, 8)}");
report.Add($" Encoder delay: Start = {Lame.EncoderDelayStart}, End = {Lame.EncoderDelayEnd}");
report.Add($" LAME surround = {Lame.Surround}, LAME preset = {Lame.Preset}");
report.Add($" MP3 gain = {Lame.Mp3Gain}");
report.Add($" Minimum bit rate = {Lame.MinBitRateText}");
report.Add(" Checks:");
report.Add($" Stored: audio header CRC-16 = {Lame.StoredHeaderCrcText}, audio data CRC-16 = {Lame.StoredDataCrcText}");
if (Lame.ActualHeaderCrc != null)
{
report.Add($" Actual: audio header CRC-16 = {Lame.ActualHeaderCrcText}, audio data CRC-16 = {Lame.ActualDataCrcText}");
}
}
report.Add(String.Empty);
report.Add($"Layout = {Layout}");
}
public override void CalcHashes(Hashes hashFlags, Validations validationFlags)
{
if (Data.Issues.HasFatal)
{
return;
}
if ((hashFlags & Hashes.Intrinsic) != 0)
{
var buf1 = new byte[27 + 256];
byte[] buf2 = null;
Data.PageCount = 0;
while (Data.ValidSize < Data.FileSize)
{
Data.fbs.Position = Data.ValidSize;
++Data.PageCount;
var got = Data.fbs.Read(buf1, 0, buf1.Length);
if (got < buf1.Length)
{
IssueModel.Add("Read failed near header", Severity.Fatal);
return;
}
int segmentCount = buf1[26];
UInt32 storedHeaderCRC32 = ConvertTo.FromLit32ToUInt32(buf1, 22);
int pageSize = 27 + segmentCount;
for (int ix = 27; ix < 27 + segmentCount; ++ix)
{
pageSize += buf1[ix];
}
Data.fbs.Position = Data.ValidSize;
if (buf2 == null || buf2.Length < pageSize)
{
buf2 = new byte[pageSize];
}
got = Data.fbs.Read(buf2, 0, pageSize);
if (got < pageSize)
{
IssueModel.Add("Read failed near page " + Data.PageCount, Severity.Fatal);
return;
}
buf2[22] = 0; buf2[23] = 0; buf2[24] = 0; buf2[25] = 0;
UInt32 actualHeaderCRC32;
var hasher = new Crc32n0Hasher();
hasher.Append(buf2, 0, pageSize);
var hash = hasher.GetHashAndReset();
actualHeaderCRC32 = BitConverter.ToUInt32(hash, 0);
if (actualHeaderCRC32 != storedHeaderCRC32)
{
Data.badPage.Add(Data.PageCount.Value);
}
Data.ValidSize += pageSize;
}
if (Data.badPage.Count == 0)
{
Data.CdIssue = IssueModel.Add($"CRC-32 checks successful on {Data.PageCount} pages.", Severity.Advisory, IssueTags.Success);
}
else
{
var err = $"CRC-32 checks failed on {Data.badPage.Count} of {Data.PageCount} pages.";
Data.CdIssue = IssueModel.Add(err, Severity.Error, IssueTags.Failure);
}
}
base.CalcHashes(hashFlags, validationFlags);
}
public Model(Stream stream, string path) : base(path)
{
base._data = Data = new CueFormat(this, stream, path);
SetIgnoredName("Range.wav");
if (Data.FileSize > 512 * 1024)
{
IssueModel.Add("Oversized file", Severity.Fatal);
return;
}
Data.fBuf = new byte[Data.FileSize];
Data.fbs.Position = 0;
if (Data.fbs.Read(Data.fBuf, 0, (int)Data.FileSize) != Data.FileSize)
{
IssueModel.Add("Read error", Severity.Fatal);
return;
}
Data.Codepage = Encoding.GetEncoding(1252);
int fIx = 0, fIx1 = 0, fIx2 = 0, bIxNS = -1, quoteIx1 = -1, quoteIx2 = -1;
for (int line = 1;;)
{
if (fIx < Data.fBuf.Length)
{
byte ch = Data.fBuf[fIx];
++fIx;
if (ch == (byte)'\r')
{
fIx2 = fIx < Data.fBuf.Length && Data.fBuf[fIx] == (byte)'\n' ? fIx + 1 : fIx;
}
else if (ch == (byte)'\n')
{
fIx2 = fIx;
}
else
{
if (ch == '\"')
{
if (quoteIx1 < 0)
{
quoteIx1 = fIx;
}
else if (quoteIx2 < 0)
{
quoteIx2 = fIx - 1;
}
}
else if (bIxNS < 0 && ch != ' ')
{
bIxNS = fIx - 1;
}
continue;
}
}
else
{
fIx2 = fIx;
}
if (ConvertTo.StartsWithAscii(Data.fBuf, bIxNS, "CATALOG "))
{
Data.Catalog = FormatBase.Cp1252.GetString(Data.fBuf, bIxNS + 8, fIx2 - bIxNS - 8).Trim(null);
if (Data.Catalog.Length != 13)
{
IssueModel.Add("Invalid CATALOG.");
}
}
else if (ConvertTo.StartsWithAscii(Data.fBuf, bIxNS, "FILE "))
{
if (quoteIx2 <= quoteIx1)
{
IssueModel.Add("Malformed FILE.");
}
else
{
string quoted = FormatBase.Cp1252.GetString(Data.fBuf, quoteIx1, quoteIx2 - quoteIx1);
FilesModel.Add1252(quoted, quoteIx1, quoteIx2 - quoteIx1);
}
}
fIx = fIx1 = bIxNS = fIx2;
quoteIx1 = quoteIx2 = -1;
++line;
if (fIx >= Data.fBuf.Length)
{
break;
}
}
}
public Model(Stream stream, string path)
{
base._data = Data = new IcoFormat(this, stream, path);
// Arbitrary sanity limit.
if (Data.FileSize > 50000000)
{
IssueModel.Add("File insanely large", Severity.Fatal);
return;
}
var buf = new byte[Data.FileSize];
stream.Position = 0;
var got = stream.Read(buf, 0, (int)Data.FileSize);
if (got != Data.FileSize)
{
IssueModel.Add("Read error", Severity.Fatal);
return;
}
int headerCount = ConvertTo.FromLit16ToInt32(buf, 4);
if (headerCount <= 0)
{
IssueModel.Add("Corrupt header count", Severity.Fatal);
return;
}
int pos = 6;
int stop = pos + 16 * headerCount;
int actualStart = stop;
for (pos = 6; pos < stop; pos += 16)
{
int width, height, bpp, paletteSize;
int storedSize = ConvertTo.FromLit32ToInt32(buf, pos + 8);
int storedStart = ConvertTo.FromLit32ToInt32(buf, pos + 12);
if (storedStart != actualStart || storedSize <= 0)
{
IssueModel.Add($"Corrupt header near byte {Data.ValidSize}", Severity.Fatal);
return;
}
bool isPNG = buf[actualStart] == 0x89 && buf[actualStart + 1] == 'P' && buf[actualStart + 2] == 'N' && buf[actualStart + 3] == 'G';
if (isPNG)
{
width = ConvertTo.FromBig32ToInt32(buf, actualStart + 16);
height = ConvertTo.FromBig32ToInt32(buf, actualStart + 20);
paletteSize = 0;
bpp = buf[actualStart + 24];
}
else
{
width = buf[pos];
if (width == 0)
{
width = 256;
}
height = buf[pos + 1];
if (height == 0)
{
height = 256;
}
paletteSize = buf[pos + 2];
bpp = buf[pos + 6];
}
Data.icons.Add(new IconItem(width, height, paletteSize, bpp, storedStart, storedSize, isPNG));
actualStart += storedSize;
}
if (actualStart != Data.FileSize)
{
IssueModel.Add("Incorrect file size");
return;
}
}
public Model(Stream stream, byte[] hdr, string path)
{
base._data = Data = new FlvFormat(this, stream, path);
var bb = new byte[15];
Data.flags = hdr[4];
if ((Data.flags & 0xA) != 0)
{
IssueModel.Add("Unexpected flags.");
}
if ((Data.flags & 5) == 0)
{
IssueModel.Add("Missing audio and video.");
}
UInt32 hdrSize = ConvertTo.FromBig32ToUInt32(hdr, 5);
if (hdrSize != 9)
{
IssueModel.Add("Wrong header size.");
}
Data.mediaPosition = 9;
UInt32 actualPrevSize = 0;
while (Data.mediaPosition < Data.FileSize)
{
if (Data.mediaPosition + 15 > Data.FileSize)
{
IssueModel.Add("File truncated near packet header.", Severity.Fatal); return;
}
Data.fbs.Position = Data.mediaPosition;
var got = Data.fbs.Read(bb, 0, bb.Length);
if (got < bb.Length)
{
IssueModel.Add("Read error", Severity.Fatal); return;
}
Data.mediaPosition += 15;
UInt32 storedPrevSize = ConvertTo.FromBig32ToUInt32(bb, 0);
if (storedPrevSize != actualPrevSize)
{
IssueModel.Add("Bad previous packet size.");
}
byte packetType = bb[4];
UInt32 packetSize = ConvertTo.FromBig24ToUInt32(bb, 5);
actualPrevSize = packetSize + 11;
++Data.PacketCount;
Data.mediaPosition += packetSize;
}
if (Data.mediaPosition > Data.FileSize)
{
IssueModel.Add("File truncated.", Severity.Fatal);
}
}
private void ParseAif(Stream stream, byte[] hdr)
{
Data.GroupId = ConvertTo.FromAsciiToString(hdr, 0, 4);
Data.FormType = ConvertTo.FromAsciiToString(hdr, 8, 4);
UInt32 gSize = ConvertTo.FromBig32ToUInt32(hdr, 4);
if (gSize < 12 || gSize > stream.Length - 8)
{
IssueModel.Add("File truncated or corrupt.", Severity.Fatal); return;
}
int hPos = 12;
string id0 = ConvertTo.FromAsciiToString(hdr, 12, 4);
if (Data.IsCompressed)
{
if (id0 != "FVER")
{
IssueModel.Add("Missing 'FVER' chunk."); return;
}
UInt32 vSize = ConvertTo.FromBig32ToUInt32(hdr, 16);
if (vSize != 4)
{
IssueModel.Add("Bad 'FVER' chunk."); return;
}
hPos = 24;
id0 = ConvertTo.FromAsciiToString(hdr, 24, 4);
}
if (id0 != "COMM")
{
IssueModel.Add("Missing 'COMM' chunk."); return;
}
UInt32 cSize = ConvertTo.FromBig32ToUInt32(hdr, hPos + 4);
if (cSize < 18 || cSize > stream.Length - 8)
{
IssueModel.Add("Bad 'COMM' chunk."); return;
}
Data.ChannelCount = ConvertTo.FromBig16ToInt32(hdr, hPos + 8);
Data.SampleSize = ConvertTo.FromBig16ToInt32(hdr, hPos + 14);
++Data.IffChunkCount;
Data.IffSize = gSize;
Data.mediaPosition = 0;
Data.MediaCount = gSize + 8;
Data.ValidSize = hPos + cSize + 8;
var hasSSND = false;
var buf = new byte[8];
while (Data.ValidSize < Data.MediaCount)
{
stream.Position = Data.ValidSize;
int got = stream.Read(buf, 0, 8);
if (got != 8)
{
IssueModel.Add("Read failed."); return;
}
cSize = ConvertTo.FromBig32ToUInt32(buf, 4);
if (cSize < 8 || Data.ValidSize + cSize > Data.MediaCount - 8)
{
IssueModel.Add("Bad chunk size or truncated file."); return;
}
string id = ConvertTo.FromAsciiToString(buf, 0, 4);
if (id == "SSND")
{
if (hasSSND)
{
IssueModel.Add("Many 'SSND' chunks."); return;
}
hasSSND = true;
}
else if (id != "(c) " && id != "ANNO" && id != "AUTH" && id != "NAME")
{
IssueModel.Add($"Unexpected '{id}' chunk.", Severity.Trivia, IssueTags.StrictWarn); return;
}
Data.ValidSize += cSize + 8;
if ((cSize & 1) != 0)
{
++Data.ValidSize;
}
}
if (!hasSSND)
{
IssueModel.Add("Missing 'SSND' chunk.", Severity.Warning);
}
}
protected void ParseHashes()
{
Data.fbs.Position = 0;
TextReader tr = new StreamReader(Data.fbs, Data.encoding);
for (int line = 1;; ++line)
{
var lx = tr.ReadLine();
if (lx == null)
{
return;
}
lx = lx.TrimStart();
if (lx.Length == 0 || lx[0] == ';')
{
continue;
}
if (lx.Length < Data.HashedFiles.HashLength * 2 + 3)
{
IssueModel.Add($"Too short, line {line}.", Severity.Fatal);
return;
}
// Try typical format with hash first.
byte[] hash = null;
if (lx[Data.HashedFiles.HashLength * 2] == ' ')
{
var modeChar = lx[Data.HashedFiles.HashLength * 2 + 1];
for (int modeIx = 1; modeIx < modeChars.Length; ++modeIx)
{
if (modeChar == modeChars[modeIx])
{
hash = ConvertTo.FromHexStringToBytes(lx, 0, Data.HashedFiles.HashLength);
if (hash != null)
{
var targetName = lx.Substring(Data.HashedFiles.HashLength * 2 + 2);
HashedModel.Add(targetName, hash, (HashMode)modeIx);
break;
}
}
}
if (hash != null)
{
continue;
}
}
// Fall back to layout with name followed by hash.
if (lx[lx.Length - Data.HashedFiles.HashLength * 2 - 1] == ' ')
{
hash = ConvertTo.FromHexStringToBytes(lx, lx.Length - Data.HashedFiles.HashLength * 2, Data.HashedFiles.HashLength);
if (hash != null)
{
var targetName = lx.Substring(0, lx.Length - Data.HashedFiles.HashLength * 2 - 1);
HashedModel.Add(targetName, hash, HashMode.Binary);
continue;
}
}
IssueModel.Add($"Badly formed, line {line}.", Severity.Fatal);
}
}
public Model(Stream stream, string path)
{
ChunksModel = new PngChunk.Vector.Model();
base._data = Data = new PngFormat(this, stream, path);
// Arbitrary sanity limit.
if (Data.FileSize > 100000000)
{
IssueModel.Add("File size insanely huge.", Severity.Fatal);
return;
}
Data.fBuf = new byte[(int)Data.FileSize];
var fBuf = Data.fBuf;
stream.Position = 0;
int got = stream.Read(fBuf, 0, (int)Data.FileSize);
if (got < Data.FileSize)
{
IssueModel.Add("Read failed.", Severity.Fatal);
return;
}
Data.ValidSize = 8;
do
{
UInt32 chunkSize = ConvertTo.FromBig32ToUInt32(fBuf, (int)Data.ValidSize);
if (Data.ValidSize + chunkSize + 12 > Data.FileSize)
{
IssueModel.Add("File is corrupt or truncated.", Severity.Fatal);
return;
}
string type = Encoding.ASCII.GetString(fBuf, (int)Data.ValidSize + 4, 4);
UInt32 storedCRC = ConvertTo.FromBig32ToUInt32(fBuf, (int)(Data.ValidSize + chunkSize + 8));
ChunksModel.Add(type, chunkSize, storedCRC);
var typeLow = type.ToLower();
switch (typeLow)
{
case "idat":
if (Data.mediaPosition <= 0)
{
Data.mediaPosition = Data.ValidSize;
}
break;
case "iend":
if (Data.MediaCount > 0)
{
IssueModel.Add("Multiple IEND chunks.");
}
else
{
Data.MediaCount = Data.ValidSize - Data.mediaPosition + chunkSize + 0xC;
}
break;
case "ihdr":
if (chunkSize < 13)
{
IssueModel.Add("IHDR chunk is short.");
}
else if (Data.Width != null)
{
IssueModel.Add("Multiple IHDR chunks.");
}
else
{
Data.Width = ConvertTo.FromBig32ToInt32(fBuf, (int)Data.ValidSize + 8);
Data.Height = ConvertTo.FromBig32ToInt32(fBuf, (int)Data.ValidSize + 12);
Data.BitDepth = fBuf[(int)Data.ValidSize + 16];
Data.ColorType = fBuf[(int)Data.ValidSize + 17];
Data.CompressionMethod = fBuf[(int)Data.ValidSize + 18];
Data.FilterMethod = fBuf[(int)Data.ValidSize + 19];
Data.InterlaceMethod = fBuf[(int)Data.ValidSize + 20];
}
break;
case "phys":
if (chunkSize < 9)
{
IssueModel.Add("PHYS chunk is short.");
}
else if (Data.DotsPerMeter1 != null)
{
IssueModel.Add("Multiple PHYS chunks.");
}
else
{
Data.DotsPerMeter1 = ConvertTo.FromBig32ToInt32(fBuf, (int)Data.ValidSize + 8);
Data.DotsPerMeter2 = ConvertTo.FromBig32ToInt32(fBuf, (int)Data.ValidSize + 12);
Data.Units = fBuf[(int)Data.ValidSize + 9];
}
break;
case "text":
if (chunkSize > 0x7FFF)
{
IssueModel.Add("String size too large.");
}
else
{
var escaped = new StringBuilder();
for (int ix = (int)Data.ValidSize + 8; ix < (int)Data.ValidSize + 8 + chunkSize; ++ix)
{
if (fBuf[ix] < ' ' || fBuf[ix] > 0x7F)
{
escaped.Append($"\\{fBuf[ix]:x2}");
}
else
{
escaped.Append((char)fBuf[ix]);
}
}
Data.texts.Add(escaped.ToString());
}
break;
case "gama":
if (chunkSize < 4)
{
IssueModel.Add("GAMA chunk is short.");
}
else if (Data.Gamma != null)
{
IssueModel.Add("Multiple GAMA chunks.");
}
else
{
Data.Gamma = ConvertTo.FromBig32ToUInt32(fBuf, (int)Data.ValidSize + 8) / 100000f;
}
break;
}
Data.ValidSize += chunkSize + 0xC;
}while (Data.ValidSize < Data.FileSize);
if (Data.Width == null)
{
IssueModel.Add("Missing IHDR chunk.");
}
if (Data.Chunks.Items[Data.Chunks.Items.Count - 1].Type != "IEND")
{
IssueModel.Add("Missing IEND chunk.");
}
if (Data.Width <= 0 || Data.Height <= 0)
{
IssueModel.Add("Invalid dimensions.");
}
if (Data.DotsPerMeter1 != Data.DotsPerMeter2)
{
IssueModel.Add("Density aspect not 1.", Severity.Warning);
}
if (Data.BitDepth != 1 && Data.BitDepth != 2 && Data.BitDepth != 4 && Data.BitDepth != 8 && Data.BitDepth != 16)
{
IssueModel.Add($"Invalid bit depth '{Data.BitDepth}'.");
}
if (Data.CompressionMethod != 0)
{
IssueModel.Add($"Invalid compression '{Data.CompressionMethod}'.");
}
if (Data.FilterMethod != 0)
{
IssueModel.Add($"Invalid filter '{Data.FilterMethod}'.");
}
if (Data.InterlaceMethod != 0 && Data.InterlaceMethod != 1)
{
IssueModel.Add($"Invalid interlace '{Data.InterlaceMethod}'.");
}
}
public Model(Stream stream, byte[] hdr, string path)
{
base._data = Data = new WavFormat(this, stream, path);
ParseRiff(hdr);
Data.ActualCRC32 = null;
if (Data.Issues.HasFatal)
{
return;
}
if (hdr.Length < 0x2C)
{
IssueModel.Add("File truncated near header", Severity.Fatal);
return;
}
if (Data.IffChunkCount > 1)
{
IssueModel.Add("Contains multiple RIFF chunks", Severity.Fatal);
return;
}
int hPos = 0x0C;
if (hdr[hPos] != 'f' || hdr[hPos + 1] != 'm' || hdr[hPos + 2] != 't' || hdr[hPos + 3] != 0x20)
{
IssueModel.Add("Missing 'fmt' section", Severity.Fatal);
return;
}
Data.CompCode = hdr[hPos + 8] | hdr[hPos + 9] << 8;
Data.ChannelCount = hdr[hPos + 0x0A] | hdr[hPos + 0x0B] << 8;
Data.SampleRate = ConvertTo.FromLit32ToUInt32(hdr, hPos + 0x0C);
Data.AverageBPS = ConvertTo.FromLit32ToUInt32(hdr, hPos + 0x10);
Data.BlockAlign = hdr[hPos + 0x14] | hdr[hPos + 0x15] << 8;
Data.BitsPerSample = hdr[hPos + 0x16] | hdr[hPos + 0x17] << 8;
if ((hdr[hPos] & 0x80) != 0)
{
IssueModel.Add("Header size insanely huge", Severity.Fatal);
return;
}
long hdrDataSize = ConvertTo.FromLit32ToInt32(hdr, hPos + 4);
long dataPos = hPos + 8 + hdrDataSize;
stream.Position = dataPos;
var dHdr = new byte[8];
if (stream.Read(dHdr, 0, 8) != 8)
{
IssueModel.Add("Read failed", Severity.Fatal);
return;
}
if (dHdr[0] != 'd' || dHdr[1] != 'a' || dHdr[2] != 't' || dHdr[3] != 'a')
{
IssueModel.Add("Missing 'data' section", Severity.Fatal);
return;
}
Data.mediaPosition = dataPos + 8;
Data.MediaCount = ConvertTo.FromLit32ToUInt32(dHdr, 4);
if (Data.mediaPosition + Data.MediaCount > Data.IffSize)
{
IssueModel.Add("Invalid data size", Severity.Fatal);
return;
}
Data.HasTags = Data.mediaPosition + Data.MediaCount < Data.IffSize;
GetDiagnostics();
}
public Model(Stream stream, string path)
{
base._data = Data = new JpegFormat(this, stream, path);
// Arbitrary choice of 50MB cutoff.
if (Data.FileSize > 50000000)
{
IssueModel.Add("File insanely huge", Severity.Fatal);
return;
}
byte[] buf = new byte[(int)Data.FileSize];
stream.Position = 0;
int got = stream.Read(buf, 0, (int)Data.FileSize);
if (got != Data.FileSize)
{
IssueModel.Add("Read error", Severity.Fatal);
return;
}
for (int len = 0, pos = 2; ; pos = pos + len + 2)
{
if (pos > Data.FileSize - 4)
{
IssueModel.Add("File truncated", Severity.Fatal);
return;
}
if (buf[pos] != 0xFF)
{
IssueModel.Add("Missing marker.", Severity.Fatal);
return;
}
if (buf[pos + 1] == 0xD9)
{
IssueModel.Add("Unexpected EOI marker", Severity.Fatal);
return;
}
// Detect SOS (Start of Stream) marker.
if (buf[pos + 1] == 0xDA)
{
Data.sosPos = pos;
break;
}
len = (buf[pos + 2] << 8) + buf[pos + 3];
if (len < 2)
{
IssueModel.Add($"Invalid segment length '{len}'.", Severity.Fatal);
return;
}
if (pos + len + 2 >= Data.FileSize)
{
IssueModel.Add("File truncated.", Severity.Fatal);
return;
}
if (len == 2)
{
IssueModel.Add("Contains empty segment.", Severity.Trivia);
}
++Data.SegmentCount;
// Detect application marker:
if (buf[pos + 1] >= 0xE0 && buf[pos + 1] <= 0xEF)
{
string appName = ConvertTo.FromAsciizToString(buf, pos + 4);
Data.appNames.Add(appName);
if (buf[pos + 1] == 0xE0)
{
if (buf[pos + 4] != 'J' || buf[pos + 5] != 'F' || buf[pos + 6] != 'I' || buf[pos + 7] != 'F' || buf[pos + 8] != 0)
{
continue;
}
if ((Data.Apps & JpegApps.Jfif) != 0)
{
IssueModel.Add("Contains ghost JFIF segment.", Severity.Advisory);
continue;
}
if (len < 13)
{
IssueModel.Add("JFIF segment too small.", Severity.Fatal);
return;
}
Data.Apps |= JpegApps.Jfif;
Data.VersionMajor = buf[pos + 0x09];
Data.VersionMinor = buf[pos + 0x0A];
Data.Units = (JpegUnits)buf[pos + 0x0B];
Data.DensityX = (buf[pos + 0x0C] << 8) + buf[pos + 0x0D];
Data.DensityY = (buf[pos + 0x0E] << 8) + buf[pos + 0x0F];
Data.ThumbXLen = buf[pos + 0x10];
Data.ThumbYLen = buf[pos + 0x11];
}
else if (buf[pos + 1] == 0xE1)
{
if (buf[pos + 4] == 'E' && buf[pos + 5] == 'x' && buf[pos + 6] == 'i' && buf[pos + 7] == 'f' && buf[pos + 8] == 0)
{
if ((Data.Apps & JpegApps.Exif) != 0)
{
IssueModel.Add("Contains ghost Exif segment", Severity.Trivia);
continue;
}
Data.Apps |= JpegApps.Exif;
// Additional Exif parsing goes here...
}
}
}
}
// Detect EOI (end of image) marker: FFD9
for (int pos = (int)Data.sosPos; pos < Data.FileSize - 1; ++pos)
{
if (buf[pos] == 0xFF && buf[pos + 1] == 0xD9)
{
Data.ValidSize = pos + 2;
Data.eoiPos = pos;
break;
}
}
CalcMark();
GetDiagnostics();
}
string Parse(LogBuffer parser)
{
string lx = null;
ParseHeader();
if (!Data.IsRangeRip)
{
lx = ParseTracks();
if (Data.Issues.HasFatal)
{
return(null);
}
}
while (!parser.EOF && !lx.Contains("errors") && !lx.StartsWith("==== "))
{
lx = parser.ReadLineLTrim();
}
if (lx == "No errors occured" || lx == "No errors occurred")
{
lx = parser.ReadLineLTrim();
}
else if (lx == "There were errors")
{
if (Data.Issues.MaxSeverity < Severity.Error)
{
IssueModel.Add("There were errors.");
}
lx = parser.ReadLineLTrim();
}
else
{
IssueModel.Add("Missing 'errors' line.");
}
if (Data.IsRangeRip)
{
if (lx == "AccurateRip summary")
{
for (;;)
{
lx = parser.ReadLineLTrim();
if (parser.EOF || !lx.StartsWith("Track "))
{
break;
}
if (lx.Contains("ccurately ripped (confidence "))
{
int arVersion = lx.Contains("AR v2") ? 2 : 1;
int advanced = ConvertTo.FromStringToInt32(lx, 40, out int val);
int arConfidence = advanced > 0 && val > 0 ? val : -1;
lx = parser.ReadLineLTrim();
if (Data.AccurateRipConfidence == null || Data.AccurateRipConfidence.Value > arConfidence)
{
Data.AccurateRipConfidence = arConfidence;
}
if (Data.AccurateRip == null || Data.AccurateRip.Value > arVersion)
{
Data.AccurateRip = arVersion;
}
}
}
}
}
if (lx == "All tracks accurately ripped")
{
lx = parser.ReadLineLTrim();
}
if (lx.StartsWith("End of status report"))
{
lx = parser.ReadLineLTrim();
}
if (lx.StartsWith("---- CUETools"))
{
lx = ParseCueTools();
}
while (!parser.EOF && !lx.StartsWith("==== "))
{
lx = parser.ReadLine();
}
if (lx.StartsWith("==== Log checksum ") && lx.Length >= 82)
{
Data.storedHash = ConvertTo.FromHexStringToBytes(lx, 18, 32);
lx = parser.ReadLine();
if (!parser.EOF || !String.IsNullOrEmpty(lx))
{
IssueModel.Add("Unexpected content at end of file.", Severity.Warning, IssueTags.StrictErr);
}
}
return(lx);
string ParseHeader()
{
lx = parser.ReadLine();
if (lx.StartsWith("Exact Audio Copy V"))
{
var spacePos = lx.IndexOf(' ', 18);
if (spacePos > 0)
{
Data.EacVersionString = lx.Substring(18, spacePos - 18);
}
lx = parser.ReadLine();
lx = parser.ReadLine();
}
if (!lx.StartsWith("EAC extraction logfile from "))
{
IssueModel.Add("Unexpected contents, " + parser.GetPlace() + ": Expecting 'EAC extraction logfile'.");
return(lx);
}
lx = lx.Substring(28);
if (lx.Length < 12)
{
IssueModel.Add("Missing rip date, " + parser.GetPlace() + ".");
return(lx);
}
Data.RipDate = lx.EndsWith(" for CD") ? lx.Substring(0, lx.Length - 7) : lx;
lx = parser.ReadLine();
if (String.IsNullOrWhiteSpace(lx))
{
lx = parser.ReadLine();
}
int slashPos = lx.IndexOf('/');
if (slashPos < 0)
{
IssueModel.Add("Missing '<artist> / <album>', " + parser.GetPlace() + ".");
return(lx);
}
Data.RipArtist = lx.Substring(0, slashPos).Trim();
Data.RipAlbum = lx.Substring(slashPos + 1).Trim();
for (;;)
{
TOP:
if (parser.EOF)
{
lx = String.Empty;
return(lx);
}
lx = parser.ReadLine();
if (lx.StartsWith("Track ") || lx.StartsWith("===="))
{
return(lx);
}
if (lx == "Range status and errors")
{
Data.IsRangeRip = true;
lx = parser.ReadLine();
return(lx);
}
if (lx == "TOC of the extracted CD")
{
for (Data.TocTrackCount = 0;;)
{
lx = parser.ReadLine();
if (parser.EOF || lx.StartsWith("==== ") || (lx.StartsWith("Track") && !lx.Contains("|")))
{
return(lx);
}
if (lx == "Range status and errors")
{
Data.IsRangeRip = true;
lx = parser.ReadLine();
return(lx);
}
if (lx.Length >= 60)
{
if (int.TryParse(lx.Substring(0, 9), out int tn))
{
++Data.TocTrackCount;
}
}
}
}
int ik0 = 0, ik1 = 0, ii = 0, iv0 = 0, iv1;
for (;; ++ik0)
{
if (ik0 >= lx.Length)
{
goto TOP;
}
else if (lx[ik0] != ' ')
{
for (ii = ik0, ik1 = ii;;)
{
++ii;
if (ii >= lx.Length)
{
string kk = lx.Substring(ik0, ik1 - ik0 + 1);
if (kk == "Installed external ASPI interface" || kk == "Native Win32 interface for Win NT & 2000")
{
Data.Interface = kk;
}
goto TOP;
}
if (lx[ii] == ':')
{
break;
}
if (lx[ii] != ' ')
{
ik1 = ii;
}
}
for (iv0 = ii + 1;; ++iv0)
{
if (iv0 >= lx.Length)
{
goto TOP;
}
else if (lx[iv0] != ' ')
{
for (ii = iv0 + 1, iv1 = iv0;; ++ii)
{
if (ii == lx.Length)
{
break;
}
else if (lx[ii] != ' ')
{
iv1 = ii;
}
}
string optKey = lx.Substring(ik0, ik1 - ik0 + 1),
optVal = lx.Substring(iv0, iv1 - iv0 + 1);
if (optKey == "Used drive")
{
Data.Drive = optVal;
}
else if (optKey == "Utilize accurate stream")
{
Data.AccurateStream = optVal;
}
else if (optKey == "Defeat audio cache")
{
Data.DefeatCache = optVal;
}
else if (optKey == "Make use of C2 pointers")
{
Data.UseC2 = optVal;
}
else if (optKey == "Read mode")
{
Data.ReadMode = optVal;
}
else if (optKey == "Read offset correction" || optKey == "Combined read/write offset correction")
{
Data.ReadOffset = optVal;
}
else if (optKey == "Overread into Lead-In and Lead-Out")
{
Data.Overread = optVal;
}
else if (optKey == "Fill up missing offset samples with silence")
{
Data.FillWithSilence = optVal;
}
else if (optKey == "Delete leading and trailing silent blocks")
{
Data.TrimSilence = optVal;
}
else if (optKey == "Null samples used in CRC calculations")
{
Data.CalcWithNulls = optVal;
}
else if (optKey == "Normalize to")
{
Data.NormalizeTo = optVal;
}
else if (optKey == "Used interface")
{
Data.Interface = optVal;
}
else if (optKey == "Gap handling")
{
Data.GapHandling = optVal;
}
else if (optKey == "Sample format")
{
Data.SampleFormat = optVal;
}
else if (optKey == "Quality")
{
Data.Quality = optVal;
}
else if (optKey == "Add ID3 tag")
{
Data.Id3Tag = optVal;
}
break;
}
}
}
}
}
}
string ParseTracks()
{
for (;;)
{
if (parser.EOF ||
lx == "No errors occured" ||
lx == "No errors occurred" ||
lx == "There were errors" ||
lx.Contains("accurate"))
{
break;
}
if (!lx.StartsWith("Track") || lx.StartsWith("Track quality"))
{
lx = parser.ReadLineLTrim();
continue;
}
bool success = Int32.TryParse(lx.Substring(6), out int num);
if (!success)
{
Data.TkIssue = IssueModel.Add("Invalid track " + parser.GetPlace(), Severity.Fatal, IssueTags.Failure);
break;
}
lx = parser.ReadLineLTrim();
if (!lx.StartsWith("Filename "))
{
Data.TkIssue = IssueModel.Add($"Track {num}: Missing 'Filename'.", Severity.Error, IssueTags.Failure);
}
else
{
lx = ParseTrack(num);
}
}
return(lx);
}
string ParseTrack(int num)
{
string name = "", peak = "", speed = "", pregap = "", qual = "";
int? arVersion = null;
int? arConfidence = null;
uint? testCrc = null, copyCrc = null;
bool trackErr = false;
uint word;
name = lx.Substring(9);
if (name.Length < 10 || (lx.Length < 252 && !lx.EndsWith(".wav")))
{
IssueModel.Add("Unexpected extension " + parser.GetPlace());
}
lx = parser.ReadLineLTrim();
if (lx.StartsWith("Pre-gap length "))
{
pregap = lx.Substring(16); lx = parser.ReadLineLTrim();
}
for (;;)
{
if (parser.EOF)
{
return(lx);
}
if (lx.StartsWith("Track quality") || lx.StartsWith("Peak level "))
{
break;
}
if (lx.StartsWith("Track "))
{
return(lx); // Unexpected start of next track.
}
if (!trackErr)
{
trackErr = true;
IssueModel.Add($"Track {num}: '{lx}'.");
}
lx = parser.ReadLineLTrim();
}
if (lx.StartsWith("Peak level "))
{
peak = lx.Substring(11); lx = parser.ReadLineLTrim();
}
if (lx.StartsWith("Extraction speed "))
{
speed = lx.Substring(17); lx = parser.ReadLineLTrim();
}
if (lx.StartsWith("Track quality "))
{
qual = lx.Substring(14); lx = parser.ReadLineLTrim();
}
if (lx.StartsWith("Test CRC "))
{
if (uint.TryParse(lx.Substring(9), NumberStyles.HexNumber, CultureInfo.InvariantCulture, out word))
{
testCrc = word;
}
else
{
Data.TpIssue = IssueModel.Add($"Track {num}: Invalid test CRC-32.", Severity.Error, IssueTags.Failure);
}
lx = parser.ReadLineLTrim();
}
if (!lx.StartsWith("Copy CRC "))
{
IssueModel.Add($"Track {num}: Missing copy CRC-32.", Severity.Warning);
}
else
{
if (uint.TryParse(lx.Substring(9), NumberStyles.HexNumber, CultureInfo.InvariantCulture, out word))
{
copyCrc = word;
}
else
{
Data.TkIssue = IssueModel.Add($"Track {num}: Invalid copy CRC-32.", Severity.Error, IssueTags.Failure);
}
lx = parser.ReadLineLTrim();
}
if (lx.StartsWith("Accurately ripped (confidence "))
{
arVersion = lx.Contains("AR v2") ? 2 : 1;
int advanced = ConvertTo.FromStringToInt32(lx, 30, out int val);
arConfidence = advanced > 0 && val > 0 ? val : -1;
lx = parser.ReadLineLTrim();
}
else if (lx.StartsWith("Cannot be verified"))
{
arVersion = lx.Contains("AR v2") ? 2 : 1;
arConfidence = -1;
lx = parser.ReadLineLTrim();
}
else if (lx.StartsWith("Track not present"))
{
if (peak != "0.0 %")
{
arConfidence = 0;
}
lx = parser.ReadLineLTrim();
}
if (arConfidence != null)
{
if (Data.AccurateRipConfidence == null || Data.AccurateRipConfidence > arConfidence)
{
Data.AccurateRipConfidence = arConfidence;
}
if (arVersion != null)
{
if (Data.AccurateRip == null || Data.AccurateRip.Value > arVersion.Value)
{
Data.AccurateRip = arVersion;
}
}
}
bool hasOK = false;
if (lx == "Copy OK")
{
hasOK = true;
lx = parser.ReadLineLTrim();
}
TracksModel.Add(num, name, pregap, peak, speed, qual, testCrc, copyCrc, hasOK, arVersion, arConfidence);
return(lx);
}
string ParseCueTools()
{
do
{
lx = parser.ReadLineLTrim();
if (parser.EOF || lx.StartsWith("==== "))
{
return(lx);
}
} while (!lx.StartsWith("[CTDB"));
if (lx.Contains("not present"))
{
Data.CueToolsConfidence = 0;
lx = parser.ReadLineLTrim();
if (!parser.EOF && lx.StartsWith("Submit"))
{
lx = parser.ReadLineLTrim();
}
return(lx);
}
if (!lx.Contains(" found"))
{
return(lx);
}
do
{
lx = parser.ReadLineLTrim();
if (parser.EOF || lx.StartsWith("==== "))
{
return(lx);
}
if (lx.StartsWith("["))
{
int ctConfidence = -1;
if (lx.Contains("Accurately ripped"))
{
int advanced = ConvertTo.FromStringToInt32(lx, 12, out ctConfidence);
}
Data.CueToolsConfidence = ctConfidence;
lx = parser.ReadLineLTrim();
return(lx);
}
} while (!lx.StartsWith("Track"));
for (int tx = 0; ; ++tx)
{
lx = parser.ReadLine();
if (parser.EOF || lx.StartsWith("==== ") || lx.StartsWith("All tracks"))
{
return(lx);
}
int ctConfidence;
if (lx.Contains("Accurately ripped"))
{
int advanced = ConvertTo.FromStringToInt32(lx, 9, out ctConfidence);
if (advanced == 0)
{
Data.CueToolsConfidence = -1; return(lx);
}
}
else if (lx.Contains("Differs"))
{
ctConfidence = -1;
}
else
{
break;
}
if (tx < TracksModel.Data.Items.Count)
{
TracksModel.SetCtConfidence(tx, ctConfidence);
}
if (Data.CueToolsConfidence == null || Data.CueToolsConfidence > ctConfidence)
{
Data.CueToolsConfidence = ctConfidence;
}
}
return(parser.ReadLineLTrim());
}
}