/// <summary>
/// Creates a new audio track with the specified number of blocks.
/// Audio CDs may have between 1 and 99 tracks.
/// </summary>
/// <param name="blocks">Number of audio blocks for this track.</param>
/// <exception cref="COMException"></exception>
/// <exception cref="DiscMasterNotOpenedException"></exception>
/// <exception cref="TrackOpenException"></exception>
/// <exception cref="ArgumentOutOfRangeException"></exception>
public void CreateAudioTrack( int blocks )
{
if ( blocks < 1 )
{
throw new ArgumentOutOfRangeException( "blocks", blocks,
Resources.Error_Msg_RedbookDiscMaster_AtLeastOneAudioBlock );
} // End if (blocks < 1)
_owner.NotifyTrackProgress( _track, _track + 1 );
Monitor.Enter( _redbookMaster );
try
{
_redbookMaster.CreateAudioTrack( blocks );
}
catch ( COMException ex )
{
switch ( (uint) ex.ErrorCode )
{
case ErrorCodes.IMAPI_E_NOTOPENED:
throw new DiscMasterNotOpenedException();
case ErrorCodes.IMAPI_E_TRACKOPEN:
throw new TrackOpenException();
default:
throw;
}
}
finally
{
Monitor.Exit( _redbookMaster );
}
Monitor.Enter( _buffer );
if ( _buffer == null )
{
_buffer = new PinnedByteBuffer( AudioBlockSize * BLOCK_MULTIPLE );
} // End if (_buffer == null)
Monitor.Exit( _buffer );
}
/// <summary>
/// Disposes the specified disposing.
/// </summary>
/// <param name="disposing">
/// If disposing equals false, the method has been called by the
/// runtime from inside the finalizer and you should not reference
/// other objects. Only unmanaged resources can be disposed.
/// </param>
protected override void Dispose( bool disposing )
{
// Check to see if Dispose has already been called.
if ( disposing && !IsDisposed )
{
// Dispose managed resources.
Marshal.ReleaseComObject( _redbookMaster );
_redbookMaster = null;
if ( _buffer != null )
{
_buffer.Dispose();
_buffer = null;
} // End if
}
base.Dispose( disposing );
}
public void AddAudioTrackFromStream( Stream rawAudioStream )
{
if ( rawAudioStream == null )
{
throw new ArgumentNullException( "rawAudioStream" );
} // End if (rawAudioStream == null)
int cancel = 0;
int Completed = 0;
_owner.QueryCancelRequest( out cancel );
if ( cancel == 0 )
{
if ( _buffer == null )
{
_buffer = new PinnedByteBuffer( AudioBlockSize * BLOCK_MULTIPLE );
} // End if (_buffer == null)
var blocks = (int) Math.Ceiling( ( (double) rawAudioStream.Length ) / AudioBlockSize );
CreateAudioTrack( blocks );
_owner.QueryCancelRequest( out cancel );
if ( cancel == 0 )
{
int size = 0;
while ( ( size = rawAudioStream.Read( _buffer.Bytes, 0, _buffer.Size ) ) > 0 )
{
size = ZeroTrailingBufferBytes( size );
Monitor.Enter( _redbookMaster );
try
{
_redbookMaster.AddAudioTrackBlocks( _buffer.BufferAddress, size );
}
catch ( COMException ex )
{
switch ( (uint) ex.ErrorCode )
{
case ErrorCodes.IMAPI_E_NOTOPENED:
throw new DiscMasterNotOpenedException();
case ErrorCodes.IMAPI_E_TRACKNOTOPEN:
throw new TrackNotOpenException();
case ErrorCodes.IMAPI_E_DISCFULL:
throw new DiscFullException();
default:
throw;
}
}
finally
{
Monitor.Exit( _redbookMaster );
}
Completed += size / AudioBlockSize;
_owner.QueryCancelRequest( out cancel );
if ( cancel != 0 )
{
break;
} // End if (cancel != 0)
} // End while ((size = rawAudioStream.Read(_buffer.Bytes, 0, (int)_buffer.Size)) > 0)
CloseAudioTrack();
} // End if (cancel == 0)
} // End if (cancel == 0)
}
