// ------------------------------------------------------------------------------------------
/// <summary>
/// Constructor
/// </summary>
/// <param name="path">Path of the file to be parsed</param>
public AudioFileIO(string path, bool readEmbeddedPictures, bool readAllMetaFrames = false)
{
byte alternate = 0;
bool found = false;
thePath = path;
audioData = AudioDataIOFactory.GetInstance().GetDataReader(path, alternate);
audioManager = new AudioDataManager(audioData);
found = audioManager.ReadFromFile(readEmbeddedPictures, readAllMetaFrames);
while (!found && alternate < AudioDataIOFactory.MAX_ALTERNATES)
{
alternate++;
audioData = AudioDataIOFactory.GetInstance().GetDataReader(path, alternate);
audioManager = new AudioDataManager(audioData);
found = audioManager.ReadFromFile(readEmbeddedPictures, readAllMetaFrames);
}
metaData = MetaDataIOFactory.GetInstance().GetMetaReader(audioManager);
if (metaData is DummyTag && (0 == audioManager.getAvailableMetas().Count))
{
LogDelegator.GetLogDelegate()(Log.LV_WARNING, "Could not find any metadata");
}
}
public bool RemoveTagFromFile(int tagType)
{
bool result = false;
LogDelegator.GetLocateDelegate()(fileName);
try
{
using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.ReadWrite, FileShare.Read, bufferSize, fileOptions))
using (BinaryReader reader = new BinaryReader(fs))
{
result = read(reader, false, false, true);
IMetaDataIO metaIO = getMeta(tagType);
if (metaIO.Exists)
{
using (BinaryWriter writer = new BinaryWriter(fs))
{
metaIO.Remove(writer);
}
}
}
}
catch (Exception e)
{
System.Console.WriteLine(e.Message);
System.Console.WriteLine(e.StackTrace);
LogDelegator.GetLogDelegate()(Log.LV_ERROR, e.Message);
result = false;
}
return(result);
}
private static void writeSizeAndNullTerminatedString(string key, string value, BinaryWriter w, IDictionary <string, string> writtenFields)
{
if (key.Length > 4)
{
LogDelegator.GetLogDelegate()(Log.LV_WARNING, "'" + key + "' : LIST.INFO field key must be 4-characters long; cropping");
key = Utils.BuildStrictLengthString(key, 4, ' ');
}
else if (key.Length < 4)
{
LogDelegator.GetLogDelegate()(Log.LV_WARNING, "'" + key + "' : LIST.INFO field key must be 4-characters long; completing with whitespaces");
key = Utils.BuildStrictLengthString(key, 4, ' ');
}
w.Write(Utils.Latin1Encoding.GetBytes(key));
byte[] buffer = Utils.Latin1Encoding.GetBytes(value);
// Needs one byte of padding if data size is odd
int paddingByte = ((buffer.Length + 1) % 2 > 0) ? 1 : 0;
w.Write(buffer.Length + 1 + paddingByte);
w.Write(buffer);
w.Write((byte)0); // String is null-terminated
if (paddingByte > 0)
{
w.Write((byte)0);
}
writtenFields.Add("info." + key, value);
}
/// <summary>
/// Construct picture information from its parts
/// </summary>
/// <param name="tagType">Type of the containing tag (see static fields in <see cref="ATL.AudioData.MetaDataIOFactory"/></param>
/// <param name="nativePicCode">Native code of the picture, as stated in its containing format's specs</param>
/// <param name="position">Position of the picture among the other pictures of the same file (default : 1)</param>
public PictureInfo(int tagType, object nativePicCode, int position = 1)
{
PicType = PIC_TYPE.Unsupported;
NativeFormat = ImageFormat.Undefined;
TagType = tagType;
Position = position;
string picCodeStr = nativePicCode as string;
if (picCodeStr != null)
{
NativePicCodeStr = picCodeStr;
NativePicCode = -1;
}
else if (nativePicCode is byte)
{
NativePicCode = (byte)nativePicCode;
}
else if (nativePicCode is int)
{
NativePicCode = (int)nativePicCode;
}
else
{
LogDelegator.GetLogDelegate()(Log.LV_WARNING, "nativePicCode type is not supported; expected byte, int or string; found " + nativePicCode.GetType().Name);
}
}
public bool ReadFromFile(bool readEmbeddedPictures = false, bool readAllMetaFrames = false)
{
bool result = false;
LogDelegator.GetLocateDelegate()(fileName);
resetData();
try
{
// Open file, read first block of data and search for a frame
using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read, bufferSize, fileOptions))
using (BinaryReader source = new BinaryReader(fs))
{
result = read(source, readEmbeddedPictures, readAllMetaFrames);
}
}
catch (Exception e)
{
System.Console.WriteLine(e.Message);
System.Console.WriteLine(e.StackTrace);
LogDelegator.GetLogDelegate()(Log.LV_ERROR, e.Message);
result = false;
}
return(result);
}
/// <summary>
/// Construct picture information from its parts
/// </summary>
/// <param name="picType">Type of the picture</param>
/// <param name="tagType">Type of the containing tag (see static fields in <see cref="ATL.AudioData.MetaDataIOFactory"/></param>
/// <param name="nativePicCode">Native code of the picture, as stated in its containing format's specs</param>
/// <param name="position">Position of the picture among the other pictures of the same file</param>
/// <param name="binaryData">Raw binary data of the picture</param>
private PictureInfo(PIC_TYPE picType, int tagType, object nativePicCode, int position, byte[] binaryData)
{
PicType = picType;
TagType = tagType;
Position = position;
string picCodeStr = nativePicCode as string;
if (picCodeStr != null)
{
NativePicCodeStr = picCodeStr;
NativePicCode = -1;
}
else if (nativePicCode is byte)
{
NativePicCode = (byte)nativePicCode;
}
else if (nativePicCode is int)
{
NativePicCode = (int)nativePicCode;
}
else
{
LogDelegator.GetLogDelegate()(Log.LV_WARNING, "nativePicCode type is not supported; expected byte, int or string; found " + nativePicCode.GetType().Name);
}
PictureData = binaryData;
NativeFormat = ImageUtils.GetImageFormatFromPictureHeader(PictureData);
}
private void GetReferenceLocation(Boolean inLocation, Boolean inImage, XmlReader source)
{
IsUri = true;
if (!inLocation && !inImage)
{
return;
}
try
{
var uri = new Uri(source.Value);
if (!uri.IsFile || !inLocation)
{
return;
}
if (!System.IO.Path.IsPathRooted(uri.LocalPath))
{
var absolute = System.IO.Path.Combine(
System.IO.Path.GetDirectoryName(FFileName), uri.LocalPath);
UpdateFile(uri.LocalPath, new Uri(absolute).AbsoluteUri);
Files.Add(absolute);
}
else
{
Files.Add(uri.LocalPath);
}
//else if (inImage) result.Add(System.IO.Path.GetFullPath(uri.LocalPath));
//TODO fetch track picture from playlists info ?
}
catch (UriFormatException)
{
LogDelegator.GetLogDelegate()(Log.LV_WARNING,
Files + " is not a valid URI [" + FFileName + "]");
}
}
public bool ReadFromFile(TagData.PictureStreamHandlerDelegate pictureStreamHandler, bool readAllMetaFrames = false)
{
bool result = false;
LogDelegator.GetLocateDelegate()(fileName);
resetData();
try
{
// Open file, read first block of data and search for a frame
Stream s = (null == stream) ? new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read, bufferSize, fileOptions) : stream;
BinaryReader source = new BinaryReader(s);
try
{
result = read(source, pictureStreamHandler, readAllMetaFrames);
}
finally
{
if (null == stream)
{
source.Close();
}
}
}
catch (Exception e)
{
System.Console.WriteLine(e.Message);
System.Console.WriteLine(e.StackTrace);
LogDelegator.GetLogDelegate()(Log.LV_ERROR, e.Message);
result = false;
}
return(result);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="stream">Stream to access in-memory data to be parsed</param>
/// <param name="mimeType">the file's mime type.</param>
/// <param name="readEmbeddedPictures">Embedded pictures will be read if true; ignored if false</param>
/// <param name="readAllMetaFrames">All metadata frames (including unmapped ones) will be read if true; ignored if false</param>
public AudioFileIo(Stream stream, String mimeType, Boolean readEmbeddedPictures, Boolean readAllMetaFrames = false)
{
Byte alternate = 0;
var found = false;
_audioData = AudioDataIoFactory.GetInstance().GetFromMimeType(mimeType, "In-memory", alternate);
_audioManager = new AudioDataManager(_audioData, stream);
found = _audioManager.ReadFromFile(readEmbeddedPictures, readAllMetaFrames);
while (!found && alternate < AudioDataIoFactory.MaxAlternates)
{
alternate++;
_audioData = AudioDataIoFactory.GetInstance().GetFromMimeType(mimeType, "In-memory", alternate);
_audioManager = new AudioDataManager(_audioData, stream);
found = _audioManager.ReadFromFile(readEmbeddedPictures, readAllMetaFrames);
}
_metaData = MetaDataIOFactory.GetInstance().GetMetaReader(_audioManager);
if (_metaData is DummyTag && (0 == _audioManager.getAvailableMetas().Count))
{
LogDelegator.GetLogDelegate()(Log.LV_WARNING, "Could not find any metadata");
}
}
private String getResourceLocation(XmlTextReader source)
{
String result = "";
while (source.MoveToNextAttribute()) // Read the attributes.
{
if (source.Name.Equals("href", StringComparison.OrdinalIgnoreCase))
{
result = source.Value;
if (result.Contains("://") && Uri.IsWellFormedUriString(result, UriKind.RelativeOrAbsolute))
{
try
{
Uri uri = new Uri(result);
if (uri.IsFile)
{
result = uri.LocalPath;
}
}
catch (UriFormatException)
{
LogDelegator.GetLogDelegate()(Log.LV_WARNING, result + " is not a valid URI [" + FFileName + "]");
}
}
if (!System.IO.Path.IsPathRooted(result))
{
result = System.IO.Path.Combine(System.IO.Path.GetDirectoryName(FFileName), result);
}
}
}
return(result);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="stream">Stream to access in-memory data to be parsed</param>
/// <param name="mimeType">Mime-type of the stream to process</param>
/// <param name="readEmbeddedPictures">Embedded pictures will be read if true; ignored if false</param>
/// <param name="readAllMetaFrames">All metadata frames (including unmapped ones) will be read if true; ignored if false</param>
/// <param name="writeProgress">Object to use to signal writing progress (optional)</param>
public AudioFileIO(Stream stream, String mimeType, bool readEmbeddedPictures, bool readAllMetaFrames = false, IProgress <float> writeProgress = null)
{
byte alternate = 0;
bool found = false;
audioData = AudioDataIOFactory.GetInstance().GetFromMimeType(mimeType, "In-memory", alternate);
audioManager = new AudioDataManager(audioData, stream, writeProgress);
this.writeProgress = writeProgress;
found = audioManager.ReadFromFile(readEmbeddedPictures, readAllMetaFrames);
while (!found && alternate < AudioDataIOFactory.MAX_ALTERNATES)
{
alternate++;
audioData = AudioDataIOFactory.GetInstance().GetFromMimeType(mimeType, "In-memory", alternate);
audioManager = new AudioDataManager(audioData, stream, writeProgress);
found = audioManager.ReadFromFile(readEmbeddedPictures, readAllMetaFrames);
}
metaData = MetaDataIOFactory.GetInstance().GetMetaReader(audioManager);
if (metaData is DummyTag && (0 == audioManager.getAvailableMetas().Count))
{
LogDelegator.GetLogDelegate()(Log.LV_WARNING, "Could not find any metadata");
}
}
/* Nightmarish implementation to be redone when Vendor ID is really useful
* private static String findVendorID(byte[] Data, int Size)
* {
* String VendorID;
* String result = "";
*
* // Search for vendor ID
* if ( (Data.Length - Size - 8) < 0 ) Size = Data.Length - 8;
* for (int i=0; i <= Size; i++)
* {
* VendorID = Utils.Latin1Encoding.GetString(Data, Data.Length - i - 8, 4);
* if (VENDOR_ID_LAME == VendorID)
* {
* result = VendorID + Utils.Latin1Encoding.GetString(Data, Data.Length - i - 4, 4);
* break;
* }
* else if (VENDOR_ID_GOGO_NEW == VendorID)
* {
* result = VendorID;
* break;
* }
* }
* return result;
* }
*/
/* Unused for now
*
* private String getVersion()
* {
* // Get MPEG version name
* return MPEG_VERSION[HeaderFrame.VersionID];
* }
*
* private String getLayer()
* {
* // Get MPEG layer name
* return MPEG_LAYER[HeaderFrame.LayerID];
* }
*
* private String getChannelMode()
* {
* // Get channel mode name
* return MPEG_CM_MODE[HeaderFrame.ModeID];
* }
*
* private String getEmphasis()
* {
* // Get emphasis name
* return MPEG_EMPHASIS[HeaderFrame.EmphasisID];
* }
*
* private long getFrames()
* {
* // Get total number of frames, calculate if VBR header not found
* if (vbrData.Found) return vbrData.Frames;
* else
* {
* long MPEGSize = sizeInfo.FileSize - sizeInfo.ID3v2Size - sizeInfo.ID3v1Size - sizeInfo.APESize;
*
* return (long)Math.Floor(1.0*(MPEGSize - HeaderFrame.Position) / getFrameSize(HeaderFrame));
* }
* }
*
* private byte getVBREncoderID()
* {
* // Guess VBR encoder and get ID
* byte result = 0;
*
* if (VENDOR_ID_LAME == vbrData.VendorID.Substring(0, 4))
* result = MPEG_ENCODER_LAME;
* if (VENDOR_ID_GOGO_NEW == vbrData.VendorID.Substring(0, 4))
* result = MPEG_ENCODER_GOGO;
* if (VENDOR_ID_GOGO_OLD == vbrData.VendorID.Substring(0, 4))
* result = MPEG_ENCODER_GOGO;
* if ( StreamUtils.StringEqualsArr(VBR_ID_XING,vbrData.ID) &&
* (vbrData.VendorID.Substring(0, 4) != VENDOR_ID_LAME) &&
* (vbrData.VendorID.Substring(0, 4) != VENDOR_ID_GOGO_NEW) &&
* (vbrData.VendorID.Substring(0, 4) != VENDOR_ID_GOGO_OLD) )
* result = MPEG_ENCODER_XING;
* if ( StreamUtils.StringEqualsArr(VBR_ID_FHG,vbrData.ID))
* result = MPEG_ENCODER_FHG;
*
* return result;
* }
*
* private byte getCBREncoderID()
* {
* // Guess CBR encoder and get ID
* byte result = MPEG_ENCODER_FHG;
*
* if ( (HeaderFrame.OriginalBit) &&
* (HeaderFrame.ProtectionBit) )
* result = MPEG_ENCODER_LAME;
* if ( (getBitRate(HeaderFrame) <= 160) &&
* (MPEG_CM_STEREO == HeaderFrame.ModeID))
* result = MPEG_ENCODER_BLADE;
* if ((HeaderFrame.CopyrightBit) &&
* (HeaderFrame.OriginalBit) &&
* (! HeaderFrame.ProtectionBit) )
* result = MPEG_ENCODER_XING;
* if ((HeaderFrame.Xing) &&
* (HeaderFrame.OriginalBit) )
* result = MPEG_ENCODER_XING;
* if (MPEG_LAYER_II == HeaderFrame.LayerID)
* result = MPEG_ENCODER_QDESIGN;
* if ((MPEG_CM_DUAL_CHANNEL == HeaderFrame.ModeID) &&
* (HeaderFrame.ProtectionBit) )
* result = MPEG_ENCODER_SHINE;
* if (VENDOR_ID_LAME == vendorID.Substring(0, 4))
* result = MPEG_ENCODER_LAME;
* if (VENDOR_ID_GOGO_NEW == vendorID.Substring(0, 4))
* result = MPEG_ENCODER_GOGO;
*
* return result;
* }
*
* private byte getEncoderID()
* {
* // Get guessed encoder ID
* if (HeaderFrame.Found)
* if (vbrData.Found) return getVBREncoderID();
* else return getCBREncoderID();
* else
* return 0;
* }
*
* private String getEncoder()
* {
* String VendorID = "";
* String result;
*
* // Get guessed encoder name and encoder version for LAME
* result = MPEG_ENCODER[getEncoderID()];
* if (vbrData.VendorID != "") VendorID = vbrData.VendorID;
* if (vendorID != "") VendorID = vendorID;
* if ( (MPEG_ENCODER_LAME == getEncoderID()) &&
* (VendorID.Length >= 8) &&
* Char.IsDigit(VendorID[4]) &&
* (VendorID[5] == '.') &&
* (Char.IsDigit(VendorID[6]) &&
* Char.IsDigit(VendorID[7]) ))
* result =
* result + (char)32 +
* VendorID[4] +
* VendorID[5] +
* VendorID[6] +
* VendorID[7];
* return result;
* }
*
* private bool getValid()
* {
* // Check for right MPEG file data
* return
* ((HeaderFrame.Found) &&
* (getBitRate() >= MIN_MPEG_BIT_RATE) &&
* (getBitRate() <= MAX_MPEG_BIT_RATE) &&
* (getDuration() >= MIN_ALLOWED_DURATION));
* }*/
public bool Read(BinaryReader source, SizeInfo sizeInfo, MetaDataIO.ReadTagParams readTagParams)
{
this.sizeInfo = sizeInfo;
resetData();
bool result = false;
BufferedBinaryReader reader = new BufferedBinaryReader(source.BaseStream);
reader.Seek(sizeInfo.ID3v2Size, SeekOrigin.Begin);
HeaderFrame = findFrame(reader, ref vbrData, sizeInfo);
// Search for vendor ID at the end if CBR encoded
/*
* This is a nightmarish implementation; to be redone when vendor ID is required by upper interfaces
*
* if ( (HeaderFrame.Found) && (! FVBR.Found) )
* {
* fs.Seek(sizeInfo.FileSize - Data.Length - sizeInfo.ID3v1Size - sizeInfo.APESize, SeekOrigin.Begin);
* fs.Read(Data, 0, Data.Length);
* vendorID = findVendorID(Data, HeaderFrame.Size * 5);
* }
*/
result = HeaderFrame.Found;
if (!result)
{
resetData();
LogDelegator.GetLogDelegate()(Log.LV_ERROR, "Could not detect MPEG Audio header starting @ " + sizeInfo.ID3v2Size);
}
return(result);
}
private void parseLocation(XmlReader source, IList <string> result)
{
source.Read();
if (source.NodeType == XmlNodeType.Text)
{
try
{
Uri uri = new Uri(source.Value);
if (uri.IsFile)
{
if (!System.IO.Path.IsPathRooted(uri.LocalPath))
{
result.Add(System.IO.Path.Combine(System.IO.Path.GetDirectoryName(FFileName), uri.LocalPath));
}
else
{
result.Add(uri.LocalPath);
}
}
}
catch (UriFormatException)
{
LogDelegator.GetLogDelegate()(Log.LV_WARNING, result + " is not a valid URI [" + FFileName + "]");
}
}
}
public void Log_Location_MultiThread()
{
messages.Clear();
Thread thread = new Thread(log_Location_MultiThread_sub);
thread.Start();
LogDelegator.GetLocateDelegate()("here");
LogDelegator.GetLogDelegate()(Log.LV_ERROR, "testI");
LogDelegator.GetLogDelegate()(Log.LV_ERROR, "testD");
Thread.Sleep(200);
Assert.AreEqual(messages.Count, 4);
foreach (Log.LogItem logItem in messages)
{
if (logItem.Level.Equals(Log.LV_WARNING))
{
Assert.AreEqual(logItem.Location, "over there");
}
if (logItem.Level.Equals(Log.LV_ERROR))
{
Assert.AreEqual(logItem.Location, "here");
}
}
}
public bool UpdateTagInFile(TagData theTag, int tagType)
{
bool result = true;
IMetaDataIO theMetaIO;
LogDelegator.GetLocateDelegate()(fileName);
theTag.DurationMs = audioDataIO.Duration;
if (audioDataIO.IsMetaSupported(tagType))
{
try
{
theMetaIO = getMeta(tagType);
Stream s = (null == stream) ? new FileStream(fileName, FileMode.Open, FileAccess.ReadWrite, FileShare.Read, bufferSize, fileOptions) : stream;
BinaryReader r = new BinaryReader(s);
BinaryWriter w = new BinaryWriter(s);
try
{
// If current file can embed metadata, do a 1st pass to detect embedded metadata position
if (audioDataIO is IMetaDataEmbedder)
{
MetaDataIO.ReadTagParams readTagParams = new MetaDataIO.ReadTagParams(false, false);
readTagParams.PrepareForWriting = true;
audioDataIO.Read(r, sizeInfo, readTagParams);
theMetaIO.SetEmbedder((IMetaDataEmbedder)audioDataIO);
}
result = theMetaIO.Write(r, w, theTag, writeProgress);
if (result)
{
setMeta(theMetaIO);
}
} finally
{
if (null == stream)
{
r.Close();
w.Close();
}
}
}
catch (Exception e)
{
System.Console.WriteLine(e.Message);
System.Console.WriteLine(e.StackTrace);
LogDelegator.GetLogDelegate()(Log.LV_ERROR, e.Message);
result = false;
}
}
else
{
LogDelegator.GetLogDelegate()(Log.LV_DEBUG, "Tag type " + tagType + " not supported");
}
return(result);
}
public void Log_Sync()
{
messages.Clear();
LogDelegator.GetLogDelegate()(Log.LV_DEBUG, "test message");
Assert.AreEqual(Log.LV_DEBUG, messages[0].Level);
Assert.AreEqual("test message", messages[0].Message);
}
public void TestSyncMessage()
{
messages.Clear();
LogDelegator.GetLocateDelegate()("file name");
LogDelegator.GetLogDelegate()(Log.LV_DEBUG, "test message 1");
LogDelegator.GetLogDelegate()(Log.LV_WARNING, "test message 2");
System.Console.WriteLine(messages[0].Message);
}
// ---------------------------------------------------------------------------
private bool ReadData(String FileName, ref FileData Data)
{
FileStream fs = null;
BinaryReader Source = null;
char[] ID = new char[16];
int ObjectCount;
int ObjectSize;
long Position;
bool result;
// Read file data
try
{
fs = new FileStream(FileName, FileMode.Open, FileAccess.Read);
fs.Lock(0, fs.Length);
Source = new BinaryReader(fs);
Data.FileSize = (int)fs.Length;
// Check for existing header
ID = Utils.ReadTrueChars(Source, 16);
if (Utils.ArrEqualsArr(WMA_HEADER_ID, ID))
{
fs.Seek(8, SeekOrigin.Current);
ObjectCount = Source.ReadInt32();
fs.Seek(2, SeekOrigin.Current);
// Read all objects in header and get needed data
for (int iterator = 0; iterator < ObjectCount; iterator++)
{
Position = fs.Position;
ID = Utils.ReadTrueChars(Source, 16);
ObjectSize = Source.ReadInt32();
ReadObject(ID, Source, ref Data);
fs.Seek(Position + ObjectSize, SeekOrigin.Begin);
}
}
result = true;
}
catch (Exception e)
{
System.Console.WriteLine(e.StackTrace);
LogDelegator.GetLogDelegate()(Log.LV_ERROR, e.Message);
result = false;
}
if (fs != null)
{
fs.Unlock(0, fs.Length);
fs.Close();
}
return(result);
}
public void Log_Location()
{
messages.Clear();
LogDelegator.GetLocateDelegate()("here");
LogDelegator.GetLogDelegate()(Log.LV_INFO, "test1");
Assert.AreEqual("here", messages[0].Location);
LogDelegator.GetLocateDelegate()("there");
LogDelegator.GetLogDelegate()(Log.LV_INFO, "test2");
Assert.AreEqual("there", messages[1].Location);
}
public Boolean RemoveTagFromFile(Int32 tagType)
{
var result = false;
LogDelegator.GetLocateDelegate()(fileName);
try
{
var s = (null == stream)
? new FileStream(fileName, FileMode.Open, FileAccess.ReadWrite, FileShare.Read, bufferSize,
fileOptions)
: stream;
var reader = new BinaryReader(s);
BinaryWriter writer = null;
try
{
result = read(reader, false, false, true);
var metaIO = getMeta(tagType);
if (metaIO.Exists)
{
writer = new BinaryWriter(s);
metaIO.Remove(writer);
}
}
finally
{
if (null == stream)
{
reader.Close();
if (writer != null)
{
writer.Close();
}
}
}
}
catch (ArgumentOutOfRangeException e)
{
throw new AudioDataCorruptionException(
"Possible audio data corruption, check Inner Exception for details", e);
}
catch (Exception e)
{
System.Console.WriteLine(e.Message);
System.Console.WriteLine(e.StackTrace);
LogDelegator.GetLogDelegate()(Log.LV_ERROR, e.Message);
result = false;
}
return(result);
}
// ---------------------------------------------------------------------------
// No explicit destructor in C#
// ---------------------------------------------------------------------------
// Read data from file
public bool ReadFromFile(String FileName)
{
FileStream fs = null;
BinaryReader Source = null;
bool result = false;
FResetData();
// At first search for tags, then try to recognize header type
FID3v2.ReadFromFile(FileName);
FID3v1.ReadFromFile(FileName);
FAPEtag.ReadFromFile(FileName);
try
{
fs = new FileStream(FileName, FileMode.Open);
fs.Lock(0, fs.Length);
Source = new BinaryReader(fs);
FFileSize = (int)fs.Length;
FHeaderTypeID = FRecognizeHeaderType(Source);
// Read header data
if (AAC_HEADER_TYPE_ADIF == FHeaderTypeID)
{
FReadADIF(Source);
}
if (AAC_HEADER_TYPE_ADTS == FHeaderTypeID)
{
FReadADTS(Source);
}
result = true;
}
catch (Exception e)
{
result = false;
System.Console.WriteLine(e.StackTrace);
LogDelegator.GetLogDelegate()(Log.LV_ERROR, e.Message);
}
if (fs != null)
{
fs.Unlock(0, fs.Length);
if (Source != null)
{
Source.Close();
}
}
return(result);
}
public void Log_ASync_FlushQueue()
{
messages.Clear();
theLog.SwitchAsync();
LogDelegator.GetLogDelegate()(Log.LV_DEBUG, "test message");
Assert.AreEqual(0, messages.Count);
theLog.FlushQueue();
Assert.AreEqual(Log.LV_DEBUG, messages[0].Level);
Assert.AreEqual("test message", messages[0].Message);
}
// Most SMIL sample playlists store resource location with a relative path
private String GetResourceLocation(XmlReader source)
{
var result = "";
while (source.MoveToNextAttribute()) // Read the attributes.
{
if (!source.Name.Equals("src", StringComparison.OrdinalIgnoreCase))
{
continue;
}
result = source.Value;
// It it an URI ?
if (result.Contains("://"))
{
if (Uri.IsWellFormedUriString(result, UriKind.RelativeOrAbsolute))
{
try
{
var uri = new Uri(result);
if (uri.IsFile)
{
result = uri.LocalPath;
}
}
catch (UriFormatException)
{
LogDelegator.GetLogDelegate()(Log.LV_WARNING,
result + " is not a valid URI [" + FFileName + "]");
}
}
else
{
result = result.Replace("file:///", "").Replace("file://", "");
}
}
if (!System.IO.Path.IsPathRooted(result))
{
result = System.IO.Path.Combine(System.IO.Path.GetDirectoryName(FFileName), result);
}
result = System.IO.Path.GetFullPath(result);
}
return(result);
}
// === PRIVATE METHODS ===
private bool readHeader(BufferedBinaryReader source, ReadTagParams readTagParams)
{
string str;
if (GYM_SIGNATURE.Equals(Utils.Latin1Encoding.GetString(source.ReadBytes(GYM_SIGNATURE.Length))))
{
if (readTagParams.PrepareForWriting)
{
structureHelper.AddZone(source.Position, 416, CORE_SIGNATURE);
}
tagExists = true;
str = Utils.StripEndingZeroChars(Encoding.UTF8.GetString(source.ReadBytes(32))).Trim();
tagData.IntegrateValue(TagData.TAG_FIELD_TITLE, str);
str = Utils.StripEndingZeroChars(Encoding.UTF8.GetString(source.ReadBytes(32))).Trim();
tagData.IntegrateValue(TagData.TAG_FIELD_ALBUM, str);
str = Utils.StripEndingZeroChars(Encoding.UTF8.GetString(source.ReadBytes(32))).Trim();
tagData.IntegrateValue(TagData.TAG_FIELD_COPYRIGHT, str);
str = Utils.StripEndingZeroChars(Encoding.UTF8.GetString(source.ReadBytes(32))).Trim();
tagData.AdditionalFields.Add(new MetaFieldInfo(getImplementedTagType(), "EMULATOR", str));
str = Utils.StripEndingZeroChars(Encoding.UTF8.GetString(source.ReadBytes(32))).Trim();
tagData.AdditionalFields.Add(new MetaFieldInfo(getImplementedTagType(), "DUMPER", str));
str = Utils.StripEndingZeroChars(Encoding.UTF8.GetString(source.ReadBytes(256))).Trim();
tagData.IntegrateValue(TagData.TAG_FIELD_COMMENT, str);
loopStart = source.ReadUInt32();
uint packedSize = source.ReadUInt32();
AudioDataOffset = source.Position;
AudioDataSize = sizeInfo.FileSize - AudioDataOffset;
if (packedSize > 0)
{
LogDelegator.GetLogDelegate()(Log.LV_WARNING, "GZIP-compressed files are not supported"); // will be as soon as I find a sample to test with
return(false);
}
return(true);
}
else
{
LogDelegator.GetLogDelegate()(Log.LV_ERROR, "Not a GYM file");
return(false);
}
}
// ********************* Auxiliary functions & voids ********************
private bool ReadHeader(String FileName, ref TagInfo Tag)
{
bool result = true;
FileStream fs = null;
BinaryReader SourceFile = null;
try
{
// Set read-access and open file
fs = new FileStream(FileName, FileMode.Open, FileAccess.Read);
SourceFile = new BinaryReader(fs);
// Read header and get file size
Tag.ID = SourceFile.ReadChars(3);
Tag.Version = SourceFile.ReadByte();
Tag.Revision = SourceFile.ReadByte();
Tag.Flags = SourceFile.ReadByte();
Tag.Size = SourceFile.ReadBytes(4);
//BlockRead(SourceFile, Tag, 10, Transferred);
Tag.FileSize = (int)fs.Length;
// if transfer is not complete
//if Transferred < 10 then Result = false;
}
catch (Exception e)
{
System.Console.WriteLine(e.StackTrace);
LogDelegator.GetLogDelegate()(Log.LV_ERROR, e.Message);
result = false;
}
if (SourceFile != null)
{
SourceFile.Close();
}
if (fs != null)
{
fs.Close();
}
return(result);
}
private void readGd3Tag(BinaryReader source, int offset)
{
source.BaseStream.Seek(offset, SeekOrigin.Begin);
string str;
if (GD3_SIGNATURE.Equals(Utils.Latin1Encoding.GetString(source.ReadBytes(GD3_SIGNATURE.Length))))
{
source.BaseStream.Seek(4, SeekOrigin.Current); // Version number
source.BaseStream.Seek(4, SeekOrigin.Current); // Length
str = StreamUtils.ReadNullTerminatedString(source, Encoding.Unicode); // Title (english)
tagData.IntegrateValue(TagData.TAG_FIELD_TITLE, str);
str = StreamUtils.ReadNullTerminatedString(source, Encoding.Unicode); // Title (japanese)
tagData.AdditionalFields.Add(new MetaFieldInfo(getImplementedTagType(), "TITLE_J", str));
str = StreamUtils.ReadNullTerminatedString(source, Encoding.Unicode); // Game name (english)
tagData.IntegrateValue(TagData.TAG_FIELD_ALBUM, str);
str = StreamUtils.ReadNullTerminatedString(source, Encoding.Unicode); // Game name (japanese)
tagData.AdditionalFields.Add(new MetaFieldInfo(getImplementedTagType(), "GAME_J", str));
str = StreamUtils.ReadNullTerminatedString(source, Encoding.Unicode); // System name (english)
tagData.AdditionalFields.Add(new MetaFieldInfo(getImplementedTagType(), "SYSTEM", str));
str = StreamUtils.ReadNullTerminatedString(source, Encoding.Unicode); // System name (japanese)
tagData.AdditionalFields.Add(new MetaFieldInfo(getImplementedTagType(), "SYSTEM_J", str));
str = StreamUtils.ReadNullTerminatedString(source, Encoding.Unicode); // Author (english)
tagData.IntegrateValue(TagData.TAG_FIELD_ARTIST, str);
str = StreamUtils.ReadNullTerminatedString(source, Encoding.Unicode); // Author (japanese)
tagData.AdditionalFields.Add(new MetaFieldInfo(getImplementedTagType(), "AUTHOR_J", str));
str = StreamUtils.ReadNullTerminatedString(source, Encoding.Unicode); // Release date
tagData.IntegrateValue(TagData.TAG_FIELD_RECORDING_DATE, str);
str = StreamUtils.ReadNullTerminatedString(source, Encoding.Unicode); // Dumper
tagData.AdditionalFields.Add(new MetaFieldInfo(getImplementedTagType(), "DUMPER", str));
str = StreamUtils.ReadNullTerminatedString(source, Encoding.Unicode); // Notes
tagData.IntegrateValue(TagData.TAG_FIELD_COMMENT, str);
}
else
{
LogDelegator.GetLogDelegate()(Log.LV_WARNING, "Not a GD3 footer");
}
}
public Boolean ReadFromFile(TagData.PictureStreamHandlerDelegate pictureStreamHandler,
Boolean readAllMetaFrames = false)
{
var result = false;
LogDelegator.GetLocateDelegate()(fileName);
resetData();
try
{
// Open file, read first block of data and search for a frame
var s = (null == stream)
? new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read, bufferSize, fileOptions)
: stream;
var source = new BinaryReader(s);
try
{
result = read(source, pictureStreamHandler, readAllMetaFrames);
}
finally
{
if (null == stream)
{
source.Close();
}
}
}
catch (ArgumentOutOfRangeException e)
{
throw new AudioDataCorruptionException(
"Possible audio data corruption, check Inner Exception for details", e);
}
catch (Exception e)
{
System.Console.WriteLine(e.Message);
System.Console.WriteLine(e.StackTrace);
LogDelegator.GetLogDelegate()(Log.LV_ERROR, e.Message);
result = false;
}
return(result);
}
public bool RemoveTagFromFile(int tagType)
{
bool result = false;
LogDelegator.GetLocateDelegate()(fileName);
try
{
Stream s = (null == stream) ? new FileStream(fileName, FileMode.Open, FileAccess.ReadWrite, FileShare.Read, bufferSize, fileOptions) : stream;
BinaryReader reader = new BinaryReader(s);
BinaryWriter writer = null;
try
{
result = read(reader, false, false, true);
IMetaDataIO metaIO = getMeta(tagType);
if (metaIO.Exists)
{
writer = new BinaryWriter(s);
metaIO.Remove(writer);
}
} finally
{
if (null == stream)
{
reader.Close();
if (writer != null)
{
writer.Close();
}
}
}
}
catch (Exception e)
{
System.Console.WriteLine(e.Message);
System.Console.WriteLine(e.StackTrace);
LogDelegator.GetLogDelegate()(Log.LV_ERROR, e.Message);
result = false;
}
return(result);
}
public IList <String> GetFiles()
{
IList <String> result = new List <String>();
try
{
using (FileStream fs = new FileStream(FFileName, FileMode.Open, FileAccess.Read))
{
GetFiles(fs, result);
}
}
catch (Exception e)
{
System.Console.WriteLine(e.StackTrace);
LogDelegator.GetLogDelegate()(Log.LV_ERROR, e.Message + " (" + FFileName + ")");
}
return(result);
}
protected override Boolean read(BinaryReader source, MetaDataIO.ReadTagParams readTagParams)
{
var result = true;
resetData();
source.BaseStream.Seek(0, SeekOrigin.Begin);
MemoryStream memStream = null;
var usedSource = source;
var headerSignature = source.ReadBytes(2);
source.BaseStream.Seek(0, SeekOrigin.Begin);
if (headerSignature[0] == 0x1f && headerSignature[1] == 0x8b) // File is GZIP-compressed
{
if (readTagParams.PrepareForWriting)
{
LogDelegator.GetLogDelegate()(Log.LV_ERROR, "Writing metadata to gzipped VGM files is not supported yet.");
return(false);
}
using (var gzStream = new GZipStream(source.BaseStream, CompressionMode.Decompress))
{
memStream = new MemoryStream();
StreamUtils.CopyStream(gzStream, memStream);
memStream.Seek(0, SeekOrigin.Begin);
usedSource = new BinaryReader(memStream);
}
}
isValid = readHeader(usedSource, readTagParams);
if (isValid && gd3TagOffset > VGM_HEADER_SIZE)
{
tagExists = true;
readGd3Tag(usedSource, gd3TagOffset);
}
return(result);
}
