public WavePlayer(Stream s)
{
if (s == null)
{
throw new ArgumentNullException("s");
}
_DataStream = s;
_Reader = new BinaryReader(_DataStream, System.Text.Encoding.ASCII);
if (!SeekChunk("RIFF"))
{
throw new SoundCoreException("Could not find 'RIFF' Chunk.");
}
_Reader.ReadInt32();
if (!SeekChunk("WAVE"))
{
throw new SoundCoreException("Could not find 'WAVE' Chunk.");
}
_Format = new WaveFormat(_DataStream);
if (!SeekChunk("data"))
{
throw new SoundCoreException("Could not find 'fmt ' Chunk.");
}
_Reader.ReadInt32();
_StartPosition = _DataStream.Position;
_StreamBuffer = new byte[this.BufferSize];
this._FillerDelegate = new WaveBufferEmptyHandler(BufferFiller);
}
public WavePlayer(short channels, int rate, short bitsPerSample, WaveBufferEmptyHandler filler)
{
_Format = new WaveFormat(channels, rate, bitsPerSample);
if (filler == null)
{
throw new ArgumentNullException("filler");
}
_FillerDelegate = filler;
}
/// <summary>
/// Initializes the buffer.
/// </summary>
/// <param name="device">Handle to the wave out device to use.</param>
/// <param name="size">Size of the buffer to allocate.</param>
public WaveOutBuffer(IntPtr device, int size, WaveBufferEmptyHandler fillDelegate)
{
if (device == IntPtr.Zero)
{
throw new ArgumentException("Device must be a a valid pointer to a wave out device.", "device");
}
if (size < 1)
{
throw new ArgumentOutOfRangeException("size", size, "Size must be greater than zero.");
}
if (fillDelegate == null)
{
throw new ArgumentNullException("fillDelegate");
}
_FillDelegate = fillDelegate;
_DeviceHandle = device;
// Allocate memory for the buffer, and set up a GCHandle pointed to it.
_Data = new byte[size];
_DataHandle = GCHandle.Alloc(_Data, GCHandleType.Pinned);
// Create the header and a GC handle pointed to it.
_Header = new WaveHeader();
_HeaderHandle = GCHandle.Alloc(_Header, GCHandleType.Pinned);
_Header.Data = _DataHandle.AddrOfPinnedObject();
_Header.BufferLength = size;
_Header.UserData = (IntPtr)GCHandle.Alloc(this);
_Header.Loops = 0;
_Header.Flags = 0;
int result = WaveFormNative.waveOutPrepareHeader(_DeviceHandle,
ref _Header, Marshal.SizeOf(_Header));
if (result != WaveError.MMSYSERR_NOERROR)
{
throw new SoundCoreException(WaveError.GetMessage(result), result);
}
}
//
// private Stream _DataStream;
//
// public WavePlayer( int device, Stream s )
// {
// if ( s == null )
// throw new ArgumentNullException( "s" );
//
// _DataStream = s;
//
// }
public WavePlayer(int device,
int bufferDataSize, int bufferCount,
WaveFormat format,
WaveBufferEmptyHandler bufferEmptyHandler)
{
if (bufferDataSize <= 0)
{
throw new ArgumentOutOfRangeException("bufferDataSize", bufferDataSize, "bufferDataSize must be greater than 0.");
}
this._BufferDataSize = bufferDataSize;
if (bufferCount <= 0)
{
throw new ArgumentOutOfRangeException("bufferCount", bufferCount, "bufferCount must be greater than 0.");
}
if (format == null)
{
throw new ArgumentNullException("format");
}
WaveFormatEx formatEx = format.GetFormat();
this._BufferCount = 2;
if (bufferEmptyHandler == null)
{
throw new ArgumentNullException("bufferEmptyHandler");
}
this._BufferEmptyHandler = bufferEmptyHandler;
int result = WaveFormNative.waveOutOpen(out _Device,
device,
ref formatEx,
_CallBack,
0,
(int)DeviceOpenFlags.CallbackFunction);
if (result != WaveError.MMSYSERR_NOERROR)
{
throw new SoundCoreException(WaveError.GetMessage(result), result);
}
AllocateBuffers();
_IsPlaying = true;
FillBuffer(_Buffers[0]);
_Buffers[0].Play();
// FillBuffers();
//
// _FillThread = new Thread( new ThreadStart( FillBufferLoop ) );
// _FillThread.Start();
//
// _RootBuffer.Play();
_PlayThread = new Thread(new ThreadStart(PlayLoop));
_PlayThread.Priority = ThreadPriority.Highest;
_PlayThread.Start();
}
