public static byte[] LoadFile(string filename)
{
RandomAccessFile file = new RandomAccessFile(filename, "r");
byte[] buffer = new byte[(int)file.Length()];
file.Read(buffer);
file.Close();
return buffer;
}
/// <exception cref="System.IO.IOException"></exception>
/// <exception cref="Mp3net.UnsupportedTagException"></exception>
/// <exception cref="Mp3net.InvalidDataException"></exception>
private void Init()
{
RandomAccessFile file = new RandomAccessFile(filename, "r");
try
{
InitId3v1Tag(file);
ScanFile(file);
if (startOffset < 0)
{
throw new InvalidDataException("No mpegs frames found");
}
InitId3v2Tag(file);
if (scanFile)
{
InitCustomTag(file);
}
}
finally
{
file.Close();
}
}
/// <exception cref="System.IO.IOException"></exception>
private void SaveMpegFrames(RandomAccessFile saveFile)
{
int filePos = xingOffset;
if (filePos < 0)
{
filePos = startOffset;
}
if (filePos < 0)
{
return;
}
if (endOffset < filePos)
{
return;
}
RandomAccessFile file = new RandomAccessFile(filename, "r");
byte[] bytes = new byte[bufferLength];
try
{
file.Seek(filePos);
while (true)
{
int bytesRead = file.Read(bytes, 0, bufferLength);
if (filePos + bytesRead <= endOffset)
{
saveFile.Write(bytes, 0, bytesRead);
filePos += bytesRead;
}
else
{
saveFile.Write(bytes, 0, endOffset - filePos + 1);
break;
}
}
}
finally
{
file.Close();
}
}
/// <exception cref="System.IO.IOException"></exception>
/// <exception cref="Mp3net.NotSupportedException"></exception>
public virtual void Save(string newFilename)
{
if (String.Equals(filename, newFilename, StringComparison.OrdinalIgnoreCase))
{
throw new ArgumentException("Save filename same as source filename");
}
RandomAccessFile saveFile = new RandomAccessFile(newFilename, "rw");
try
{
if (HasId3v2Tag())
{
saveFile.Write(id3v2Tag.ToBytes());
}
SaveMpegFrames(saveFile);
if (HasCustomTag())
{
saveFile.Write(customTag);
}
if (HasId3v1Tag())
{
saveFile.Write(id3v1Tag.ToBytes());
}
}
finally
{
saveFile.Close();
}
}