internal AudioFileStream(string Path, AudioFileHeader Header, bool AddWAVHeader)
{
this.Path_ = Path;
this.Header_ = Header;
this.AddWAVHeader_ = AddWAVHeader;
this.Codec_ = null;
this.Position_ = 0;
if (this.Header_.SampleFormat == SampleFormat.ADPCM)
{
this.Codec_ = new ADPCMCodec(this.Header_.Channels, this.Header_.BlockSize);
}
this.File_ = new FileStream(Path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
this.File_.Seek(0x30, SeekOrigin.Begin);
if (AddWAVHeader)
{
// Prepare WAV file header
this.WAVHeader_ = new byte[0x2C];
BinaryWriter BW = new BinaryWriter(new MemoryStream(this.WAVHeader_, true), Encoding.ASCII);
// File Header
BW.Write("RIFF".ToCharArray());
BW.Write((int)this.Length);
// Wave Format Header
BW.Write("WAVEfmt ".ToCharArray());
BW.Write((int)0x10);
// Wave Format Data
BW.Write((short)1); // PCM
BW.Write((short)this.Header_.Channels);
BW.Write((int)this.Header_.SampleRate);
BW.Write((int)(2 * this.Header_.Channels * this.Header_.SampleRate)); // bytes per second
BW.Write((short)(2 * this.Header_.Channels)); // bytes per sample
BW.Write((short)16); // bits
// Wave Data Header
BW.Write("data".ToCharArray());
BW.Write((int)(this.Length - 0x2C));
BW.Close();
}
this.Buffer_ = null;
this.BufferPos_ = 0;
this.BufferSize_ = 0;
}
internal AudioFileStream(string Path, AudioFileHeader Header, bool AddWAVHeader)
{
this.Path_ = Path;
this.Header_ = Header;
this.AddWAVHeader_ = AddWAVHeader;
this.Codec_ = null;
this.Position_ = 0;
if (this.Header_.SampleFormat == SampleFormat.ADPCM)
{
this.Codec_ = new ADPCMCodec(this.Header_.Channels, this.Header_.BlockSize);
}
this.File_ = new FileStream(Path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
this.File_.Seek(0x30, SeekOrigin.Begin);
if (AddWAVHeader)
{
// Prepare WAV file header
this.WAVHeader_ = new byte[0x2C];
BinaryWriter BW = new BinaryWriter(new MemoryStream(this.WAVHeader_, true), Encoding.ASCII);
// File Header
BW.Write("RIFF".ToCharArray());
BW.Write((int)this.Length);
// Wave Format Header
BW.Write("WAVEfmt ".ToCharArray());
BW.Write((int)0x10);
// Wave Format Data
BW.Write((short)1); // PCM
BW.Write((short)this.Header_.Channels);
BW.Write((int)this.Header_.SampleRate);
BW.Write((int)(2 * this.Header_.Channels * this.Header_.SampleRate)); // bytes per second
BW.Write((short)(2 * this.Header_.Channels)); // bytes per sample
BW.Write((short)16); // bits
// Wave Data Header
BW.Write("data".ToCharArray());
BW.Write((int)(this.Length - 0x2C));
BW.Close();
}
this.Buffer_ = null;
this.BufferPos_ = 0;
this.BufferSize_ = 0;
}
