/// <summary>
/// Write the audio track
/// </summary>
/// <param name="stream">The source stream of the file</param>
/// <param name="container">The container used by the file (default : raw)</param>
public void Write(Stream stream, AudioFileContainer container = AudioFileContainer.RAW)
{
try
{
byte[] buffer = new byte[_sectorSize];
int dataRead;
stream.Position = (container == AudioFileContainer.WAVE) ? 44 : 0;
_size = ((stream.Length - stream.Position) / _sectorSize) + 1;
for (int sectorsDone = 0; sectorsDone < _size; sectorsDone++)
{
dataRead = stream.Read(buffer, 0, _sectorSize);
if (dataRead < _sectorSize)
{
for (int i = dataRead; i < _sectorSize; i++)
{
buffer[i] = 0;
}
}
WriteSector(buffer);
}
}
catch (Exception)
{
throw new FrameworkException("Error while writing audio track : unable to write audio track");
}
}
public void Write(string f, AudioFileContainer af) {
//Preliminary checks
if (af.Tag.IsEmpty) {
Delete(f);
return;
}
CreateStreams(f, Action.Write, af.Tag);
}
public void Write(string f, AudioFileContainer af)
{
//Preliminary checks
if (af.Tag.IsEmpty)
{
Delete(f);
return;
}
CreateStreams(f, Action.Write, af.Tag);
}
/// <summary>
/// Extract the audio track
/// </summary>
/// <param name="outFilePath">The full path of the disk's file (eg : /FOO/BAR/FILE.EXT)</param>
/// <param name="container">The container used for the file</param>
public void Extract(string outFilePath, AudioFileContainer container)
{
try
{
Directory.CreateDirectory(Path.GetDirectoryName(outFilePath));
using (var fs = new FileStream(outFilePath, FileMode.Create, FileAccess.Write))
{
if (container == AudioFileContainer.WAVE)
{
using (var stream = new CBinaryWriter(fs))
{
// WAVE Header
uint dataSize = (uint)(_size * _sectorSize);
stream.WriteAsciiString("RIFF"); // RIFF sign
stream.Write((uint)(dataSize + 44 - 8)); // File size - 8, wave header is 44 bytes long
stream.WriteAsciiString("WAVE"); // Format ID
stream.WriteAsciiString("fmt", 4); // Format bloc ID
stream.Write((uint)16); // Bloc size
stream.Write((ushort)0x01); // PCM
stream.Write((ushort)2); // Channels
stream.Write((uint)44100); // Frequency
stream.Write((uint)(44100 * 2 * 16 / 8)); // Bytes per sec (frequency * bytes per bloc)
stream.Write((ushort)(2 * 16 / 8)); // Bytes per bloc (channels * bits per sample / 8)
stream.Write((ushort)16); // Bits per sample
stream.WriteAsciiString("data"); // data bloc sign
stream.Write((uint)dataSize); // data size
Read(fs);
}
}
else
{
Read(fs);
}
}
}
catch (FrameworkException ex)
{
throw ex;
}
catch (Exception ex)
{
throw new FrameworkException("Error while writing audio file : unable to write file \"{0}\"", outFilePath);
}
}
public AudioFile(Stream stream, string mimetype)
{
this.mimetype = mimetype;
container = AudioFileIO.Read(stream, mimetype);
}
public AudioFile(string filename, string mimetype)
{
this.filename = filename;
this.mimetype = mimetype;
container = AudioFileIO.Read(filename, mimetype);
}
public AudioFile(string filename)
{
this.filename = filename;
container = AudioFileIO.Read(filename);
}
