/// <summary>
/// Write data to WaveOut.
/// 音を出します。
/// </summary>
/// <param name="buffer">音が入ったバッファ</param>
private void Write(WaveBuffer buffer)
{
EnsureOpened();
Interlocked.Add(ref enqueuedBufferSize, buffer.BufferLength);
Win32.waveOutPrepareHeader(deviceHandle, buffer.pHeader, Win32.WaveHeader.SizeOfWaveHeader);
Win32.waveOutWrite(deviceHandle, buffer.pHeader, Win32.WaveHeader.SizeOfWaveHeader);
}
/// <summary>
/// Open WaveOut.
/// WaveOutを開きます。
/// </summary>
/// <param name="deviceId">WaveOut.WaveMapperか、GetDeviceNames()のindex</param>
/// <param name="samplesPerSec">44100 (Hz)</param>
/// <param name="bitsPerSample">16 or 8</param>
/// <param name="channels">2 or 1</param>
public WaveOut(int deviceId, int samplesPerSec, int bitsPerSample, int channels)
{
Win32.WaveFormatEx wfx = new Win32.WaveFormatEx(samplesPerSec, bitsPerSample, channels);
eventHandler = new MessageThread();
IntPtr ptr = new IntPtr(eventHandler.Win32ThreadID);
int mmret = Win32.waveOutOpen(out deviceHandle, (uint)deviceId, ref wfx, ptr, IntPtr.Zero, Win32.CALLBACK_THREAD);
if (mmret != Win32.MMSYSERR_NOERROR)
{
eventHandler.Dispose();
throw new Exception("デバイスが開けませんでした。(" + mmret + ")");
}
eventHandler.MessageHandlers[Win32.MM_WOM_DONE] = delegate(Message m)
{
Win32.WaveHeader header = Win32.WaveHeader.FromIntPtr(m.LParam);
WaveBuffer buf = WaveBuffer.FromWaveHeader(header);
Win32.waveOutUnprepareHeader(deviceHandle, buf.pHeader, Win32.WaveHeader.SizeOfWaveHeader);
Interlocked.Add(ref enqueuedBufferSize, -buf.Data.Length);
buf.Dispose();
if (OnDone != null)
{
OnDone();
}
};
}
/// <summary>
/// Write data to WaveOut.
/// 音を出します。
/// </summary>
/// <param name="src">音</param>
/// <param name="length">バイト数</param>
public void Write(IntPtr src, int length)
{
EnsureOpened();
WaveBuffer buf = new WaveBuffer(length);
Marshal.Copy(src, buf.Data, 0, buf.BufferLength);
Write(buf);
}
/// <summary>
/// Write data to WaveOut.
/// 音を出します。
/// </summary>
/// <param name="waveform">音</param>
/// <param name="offset">読み出す位置</param>
/// <param name="count">読み出すバイト数</param>
public void Write(byte[] waveform, int offset, int count)
{
EnsureOpened();
WaveBuffer buf = new WaveBuffer(count);
Array.Copy(waveform, offset, buf.Data, 0, buf.BufferLength);
Write(buf);
}
/// <summary>
/// Write data to WaveOut.
/// 音を出す
/// </summary>
/// <param name="waveform">音</param>
public void Write(byte[] waveform)
{
EnsureOpened();
WaveBuffer buf = new WaveBuffer((uint)waveform.Length);
Array.Copy(waveform, buf.Data, waveform.Length);
Interlocked.Add(ref enqueuedBufferSize, waveform.Length);
Win32.waveOutPrepareHeader(deviceHandle, buf.pHeader, Win32.WaveHeader.SizeOfWaveHeader);
Win32.waveOutWrite(deviceHandle, buf.pHeader, Win32.WaveHeader.SizeOfWaveHeader);
}
/// <summary>
/// Open WaveIn.
/// WaveInを開きます。
/// </summary>
/// <param name="deviceId">WaveIn.WaveMapper or index of GetDeviceNames(). WaveIn.WaveMapperか、GetDeviceNames()のindex</param>
/// <param name="samplesPerSec">ex) 44100 (Hz)</param>
/// <param name="bitsPerSample">16 or 8</param>
/// <param name="channels">2 or 1</param>
public WaveIn(int deviceId, int samplesPerSec, int bitsPerSample, int channels)
{
Win32.WaveFormatEx wfx = new Win32.WaveFormatEx(samplesPerSec, bitsPerSample, channels);
eventHandler = new MessageThread(ThreadPriority.AboveNormal);
eventHandler.MessageHandlers[Win32.MM_WIM_DATA] = delegate(Message m)
{
Win32.WaveHeader header = Win32.WaveHeader.FromIntPtr(m.LParam);
WaveBuffer buf = WaveBuffer.FromWaveHeader(header);
int bytesRecorded = (int)header.dwBytesRecorded;
if (OnData != null && bytesRecorded != 0)
{
byte[] data = buf.Data;
if (bytesRecorded != buf.Data.Length)
{
data = new byte[bytesRecorded];
Array.Copy(buf.Data, data, bytesRecorded);
}
OnData(data);
}
if (recording)
{
Win32.waveInAddBuffer(deviceHandle, buf.pHeader, Win32.WaveHeader.SizeOfWaveHeader);
}
else
{
Win32.waveInUnprepareHeader(deviceHandle, buf.pHeader, Win32.WaveHeader.SizeOfWaveHeader);
buf.Dispose();
Interlocked.Decrement(ref enqueuedBufferCount);
}
};
int mmret = Win32.waveInOpen(out deviceHandle, (uint)deviceId, ref wfx, new IntPtr(eventHandler.Win32ThreadID), IntPtr.Zero, Win32.CALLBACK_THREAD);
if (mmret != Win32.MMSYSERR_NOERROR)
{
eventHandler.Dispose();
throw new Exception("Error on waveInOpen. (ret=" + mmret + ")");
}
}
/// <summary>
/// Start recording. 録音開始
/// </summary>
/// <param name="bufferSize"> ex) 16 : バッファ数</param>
/// <param name="bufferSize"> ex) 65536 : バッファサイズ</param>
public void Start(int bufferCount, int bufferSize)
{
EnsureOpened();
if (recording)
{
throw new InvalidOperationException("Started already.");
}
for (int i = 0; i < bufferCount; i++)
{
WaveBuffer buf = new WaveBuffer(bufferSize);
Win32.waveInPrepareHeader(deviceHandle, buf.pHeader, Win32.WaveHeader.SizeOfWaveHeader);
Win32.waveInAddBuffer(deviceHandle, buf.pHeader, Win32.WaveHeader.SizeOfWaveHeader);
Interlocked.Add(ref enqueuedBufferCount, 1);
}
int mmret = Win32.waveInStart(deviceHandle);
if (mmret != Win32.MMSYSERR_NOERROR)
{
throw new Exception("Error on waveInStart. (ret=" + mmret + ")");
}
recording = true;
}
/// <summary>
/// Write data to WaveOut.
/// 音を出す
/// </summary>
/// <param name="waveform">音</param>
public void Write(byte[] waveform)
{
EnsureOpened();
WaveBuffer buf = new WaveBuffer((uint)waveform.Length);
Array.Copy(waveform, buf.Data, waveform.Length);
Interlocked.Add(ref enqueuedBufferSize, waveform.Length);
Win32.waveOutPrepareHeader(deviceHandle, buf.pHeader, Win32.WaveHeader.SizeOfWaveHeader);
Win32.waveOutWrite(deviceHandle, buf.pHeader, Win32.WaveHeader.SizeOfWaveHeader);
}
/// <summary>
/// Write data to WaveOut.
/// ����o���܂��B
/// </summary>
/// <param name="buffer">�����������o�b�t�@</param>
private void Write(WaveBuffer buffer)
{
EnsureOpened();
Interlocked.Add(ref enqueuedBufferSize, buffer.BufferLength);
Win32.waveOutPrepareHeader(deviceHandle, buffer.pHeader, Win32.WaveHeader.SizeOfWaveHeader);
Win32.waveOutWrite(deviceHandle, buffer.pHeader, Win32.WaveHeader.SizeOfWaveHeader);
}
/// <summary>
/// Write data to WaveOut.
/// ����o���܂��B
/// </summary>
/// <param name="src">��</param>
/// <param name="length">�o�C�g��</param>
public void Write(IntPtr src, int length)
{
EnsureOpened();
WaveBuffer buf = new WaveBuffer(length);
Marshal.Copy(src, buf.Data, 0, buf.BufferLength);
Write(buf);
}
/// <summary>
/// Write data to WaveOut.
/// ����o���܂��B
/// </summary>
/// <param name="waveform">��</param>
/// <param name="offset">�ǂݏo���ʒu</param>
/// <param name="count">�ǂݏo���o�C�g��</param>
public void Write(byte[] waveform, int offset, int count)
{
EnsureOpened();
WaveBuffer buf = new WaveBuffer(count);
Array.Copy(waveform, offset, buf.Data, 0, buf.BufferLength);
Write(buf);
}
/// <summary>
/// Start recording. �^���J�n
/// </summary>
/// <param name="bufferSize"> ex) 16 : �o�b�t�@��</param>
/// <param name="bufferSize"> ex) 65536 : �o�b�t�@�T�C�Y</param>
public void Start(int bufferCount, int bufferSize)
{
EnsureOpened();
if (recording)
throw new InvalidOperationException("Started already.");
for (int i = 0; i < bufferCount; i++)
{
WaveBuffer buf = new WaveBuffer(bufferSize);
Win32.waveInPrepareHeader(deviceHandle, buf.pHeader, Win32.WaveHeader.SizeOfWaveHeader);
Win32.waveInAddBuffer(deviceHandle, buf.pHeader, Win32.WaveHeader.SizeOfWaveHeader);
Interlocked.Add(ref enqueuedBufferCount, 1);
}
int mmret = Win32.waveInStart(deviceHandle);
if (mmret != Win32.MMSYSERR_NOERROR)
{
throw new Exception("Error on waveInStart. (ret=" + mmret + ")");
}
recording = true;
}
