public override int Open(string filename)
{
this._filename = filename;
bjxa = new bjxa.Decoder();
#region [ Reading XA headers, then store it ]
fs = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.ReadWrite); // Need to set FileShare flag, to avoid locking after Closer()
format = bjxa.ReadHeader(fs);
//string xaid = Encoding.ASCII.GetString( xah.id );
#region [ Debug info ]
//Debug.WriteLine( "**XAHEADER**" );
//Debug.WriteLine( "id= " + xaheader.id.ToString( "X8" ) );
//Debug.WriteLine( "nDataLen= " + xaheader.nDataLen.ToString( "X8" ) );
//Debug.WriteLine( "nSamples= " + xaheader.nSamples.ToString( "X8" ) );
//Debug.WriteLine( "nSamplesPerSec= " + xaheader.nSamplesPerSec.ToString( "X4" ) );
//Debug.WriteLine( "nBits= " + xaheader.nBits.ToString( "X2" ) );
//Debug.WriteLine( "nChannels= " + xaheader.nChannels.ToString( "X2" ) );
//Debug.WriteLine( "nLoopPtr= " + xaheader.nLoopPtr.ToString( "X8" ) );
//Debug.WriteLine( "befL[0]= " + xaheader.befL[ 0 ].ToString( "X4" ) );
//Debug.WriteLine( "befL[1]= " + xaheader.befL[ 1 ].ToString( "X4" ) );
//Debug.WriteLine( "befR[0]= " + xaheader.befR[ 0 ].ToString( "X4" ) );
//Debug.WriteLine( "befR[1]= " + xaheader.befR[ 1 ].ToString( "X4" ) );
#endregion
#endregion
#region [ Getting WAVEFORMEX info ]
wfx = new CWin32.WAVEFORMATEX(
(ushort)format.WaveFormatPcm, // wFormatTag
(ushort)format.Channels, // nChannels
format.SamplesRate, // nSamplesPerSec
format.WaveByteRate, // nAvgBytesPerSec
(ushort)format.WaveBlockAlign, // nBlockAlign
(ushort)format.SampleBits, // wBitsPerSample
0 // cbSize
);
#endregion
#region [ Debug info ]
//Debug.WriteLine( "**WAVEFORMATEX**" );
//Debug.WriteLine( "wFormatTag= " + waveformatex.wFormatTag.ToString( "X4" ) );
//Debug.WriteLine( "nChannels = " + waveformatex.nChannels.ToString( "X4" ) );
//Debug.WriteLine( "nSamplesPerSec= " + waveformatex.nSamplesPerSec.ToString( "X8" ) );
//Debug.WriteLine( "nAvgBytesPerSec= " + waveformatex.nAvgBytesPerSec.ToString( "X8" ) );
//Debug.WriteLine( "nBlockAlign= " + waveformatex.nBlockAlign.ToString( "X4" ) );
//Debug.WriteLine( "wBitsPerSample= " + waveformatex.wBitsPerSample.ToString( "X4" ) );
//Debug.WriteLine( "cbSize= " + waveformatex.cbSize.ToString( "X4" ) );
#endregion
nTotalPCMSize = (uint)format.DataLengthPcm;
return(0);
}
// Protected implementation of Dispose pattern.
protected virtual void Dispose(bool disposing)
{
if (this.bDisposed)
{
return;
}
if (srcBuf != null)
{
srcBuf = null;
}
if (bjxa != null)
{
bjxa = null;
}
if (disposing)
{
fs.Dispose();
}
this.bDisposed = true;
}
