/// <summary>
/// Send long midi message.
/// 長いmidiデータを送ります。
/// </summary>
/// <param name="buffer">メッセージが入ったバッファ</param>
private void Write(MidiBuffer buffer)
{
EnsureOpened();
Interlocked.Add(ref enqueuedBufferSize, buffer.BufferLength);
Win32.midiOutPrepareHeader(deviceHandle, buffer.pHeader, Win32.MidiHeader.SizeOfMidiHeader);
Win32.midiOutLongMsg(deviceHandle, buffer.pHeader, Win32.MidiHeader.SizeOfMidiHeader);
}
/// <summary>
/// Send long midi message.
/// 長いmidiデータを送ります。
/// </summary>
/// <param name="src">データ</param>
/// <param name="length">読み出すバイト数</param>
public void Write(IntPtr src, int length)
{
EnsureOpened();
MidiBuffer buf = new MidiBuffer(length);
buf.BufferLength = length;
Marshal.Copy(src, buf.Data, 0, buf.BufferLength);
Write(buf);
}
/// <summary>
/// Send long midi message.
/// 長いmidiデータを送ります。
/// </summary>
/// <param name="data">データ</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[] data, int offset, int count)
{
EnsureOpened();
MidiBuffer buf = new MidiBuffer(count);
buf.BufferLength = count;
Array.Copy(data, offset, buf.Data, 0, buf.BufferLength);
Write(buf);
}
/// <summary>
/// Send long midi message.
/// 長いmidiデータを送ります
/// </summary>
/// <param name="data">データ</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[] data, int offset, int count)
{
EnsureOpened();
MidiBuffer buf = new MidiBuffer(count);
buf.BufferLength = count;
Array.Copy(data, offset, buf.Data, 0, buf.BufferLength);
System.Diagnostics.Trace.WriteLine("Sending message to DEVICE: " + BitConverter.ToString(data));
Write(buf);
}
/// <summary>
/// Open MidiIn.
/// MidiInを開きます。
/// </summary>
/// <param name="deviceId">index of GetDeviceNames(). GetDeviceNames()のindex</param>
public MidiIn(int deviceId)
{
messageProc = new MessageThread(false, ThreadPriority.Normal, "MidiInProcThread");
messageProc.MessageHandlers[Win32.MM_MIM_LONGDATA] = delegate(Message m)
{
Win32.MidiHeader header = Win32.MidiHeader.FromIntPtr(m.LParam);
MidiBuffer buf = MidiBuffer.FromMidiHeader(header);
int bytesRecorded = (int)header.dwBytesRecorded;
if (OnLongMsg != null && bytesRecorded != 0)
{
byte[] data = buf.Data;
if (bytesRecorded != buf.Data.Length)
{
data = new byte[bytesRecorded];
Array.Copy(buf.Data, data, bytesRecorded);
}
System.Diagnostics.Trace.WriteLine("Recieved message from DEVICE: " + BitConverter.ToString(data));
try
{
OnLongMsg(data);
}
catch { }
}
if (recording)
{
Win32.midiInAddBuffer(deviceHandle, m.LParam, Win32.MidiHeader.SizeOfMidiHeader);
}
else
{
Win32.midiInUnprepareHeader(deviceHandle, m.LParam, Win32.MidiHeader.SizeOfMidiHeader);
buf.Dispose();
Interlocked.Decrement(ref enqueuedBufferCount);
}
};
messageProc.MessageHandlers[Win32.MM_MIM_DATA] = delegate(Message m)
{
if (OnShortMsg != null)
{
OnShortMsg((uint)m.LParam);
}
};
int mmret = Win32.midiInOpen(out deviceHandle, (uint)deviceId, new IntPtr(messageProc.Win32ThreadID), IntPtr.Zero, Win32.CALLBACK_THREAD);
if (mmret != Win32.MMSYSERR_NOERROR)
{
messageProc.Dispose();
throw new IOException("デバイスが開けませんでした。(" + mmret + ")");
}
}
/// <summary>
/// Open MidiIn.
/// MidiInを開きます。
/// </summary>
/// <param name="deviceId">index of GetDeviceNames(). GetDeviceNames()のindex</param>
public MidiIn(uint deviceId)
{
eventHandler = new MessageThread(ThreadPriority.AboveNormal);
eventHandler.MessageHandlers[Win32.MM_MIM_LONGDATA] = delegate(Message m)
{
Win32.MidiHeader header = Win32.MidiHeader.FromIntPtr(m.LParam);
MidiBuffer buf = MidiBuffer.FromMidiHeader(header);
int bytesRecorded = (int)header.dwBytesRecorded;
if (OnLongMsg != null && bytesRecorded != 0)
{
byte[] data = buf.Data;
if (bytesRecorded != buf.Data.Length)
{
data = new byte[bytesRecorded];
Array.Copy(buf.Data, data, bytesRecorded);
}
OnLongMsg(data);
}
if (recording)
{
Win32.midiInAddBuffer(deviceHandle, m.LParam, Win32.MidiHeader.SizeOfMidiHeader);
}
else
{
Win32.midiInUnprepareHeader(deviceHandle, m.LParam, Win32.MidiHeader.SizeOfMidiHeader);
buf.Dispose();
Interlocked.Decrement(ref enqueuedBufferCount);
}
};
eventHandler.MessageHandlers[Win32.MM_MIM_DATA] = delegate(Message m)
{
if (OnShortMsg != null)
{
OnShortMsg((uint)m.LParam);
}
};
int mmret = Win32.midiInOpen(out deviceHandle, deviceId, new IntPtr(eventHandler.Win32ThreadID), IntPtr.Zero, Win32.CALLBACK_THREAD);
if (mmret != Win32.MMSYSERR_NOERROR)
{
eventHandler.Dispose();
throw new Exception("Error on midiInOpen. (ret=" + mmret + ")");
}
}
/// <summary>
/// Open MidiOut.
/// MidiOutを開きます。
/// </summary>
/// <param name="deviceId">MidiOut.MidiMapper or index of GetDeviceNames(). MidiOut.MidiMapperか、GetDeviceNames()のindex</param>
public MidiOut(int deviceId)
{
eventHandler = new MessageThread(ThreadPriority.AboveNormal);
eventHandler.MessageHandlers[Win32.MM_MOM_DONE] = delegate(Message m)
{
Win32.MidiHeader hdr = Win32.MidiHeader.FromIntPtr(m.LParam);
MidiBuffer buf = MidiBuffer.FromMidiHeader(hdr);
Win32.midiOutUnprepareHeader(deviceHandle, buf.pHeader, Win32.MidiHeader.SizeOfMidiHeader);
buf.Dispose();
Interlocked.Add(ref enqueuedBufferSize, -buf.BufferLength);
if (OnDone != null)
{
OnDone();
}
};
int mmret = Win32.midiOutOpen(out deviceHandle, (uint)deviceId, new IntPtr(eventHandler.Win32ThreadID), IntPtr.Zero, Win32.CALLBACK_THREAD);
if (mmret != Win32.MMSYSERR_NOERROR)
{
eventHandler.Dispose();
throw new Exception("Error on midiOutOpen. (ret=" + mmret + ")");
}
}
/// <summary>
/// Start recording. 録音開始
/// </summary>
/// <param name="bufferCount"> ex) 256 : バッファ数</param>
/// <param name="bufferSize"> ex) 1024 : 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++)
{
MidiBuffer buf = new MidiBuffer(bufferSize);
Win32.midiInPrepareHeader(deviceHandle, buf.pHeader, Win32.MidiHeader.SizeOfMidiHeader);
Win32.midiInAddBuffer(deviceHandle, buf.pHeader, Win32.MidiHeader.SizeOfMidiHeader);
Interlocked.Increment(ref enqueuedBufferCount);
}
int mmret = Win32.midiInStart(deviceHandle);
if (mmret != Win32.MMSYSERR_NOERROR)
{
throw new Exception("Error on midiInStart. (ret = " + mmret + ")");
}
recording = true;
}
/// <summary>
/// Send long midi message.
/// ����midi�f�[�^�𑗂�܂��B
/// </summary>
/// <param name="buffer">���b�Z�[�W���������o�b�t�@</param>
private void Write(MidiBuffer buffer)
{
EnsureOpened();
Interlocked.Add(ref enqueuedBufferSize, buffer.BufferLength);
Win32.midiOutPrepareHeader(deviceHandle, buffer.pHeader, Win32.MidiHeader.SizeOfMidiHeader);
Win32.midiOutLongMsg(deviceHandle, buffer.pHeader, Win32.MidiHeader.SizeOfMidiHeader);
}
/// <summary>
/// Send long midi message.
/// ����midi�f�[�^�𑗂�܂��B
/// </summary>
/// <param name="src">�f�[�^</param>
/// <param name="length">�ǂݏo���o�C�g��</param>
public void Write(IntPtr src, int length)
{
EnsureOpened();
MidiBuffer buf = new MidiBuffer(length);
buf.BufferLength = length;
Marshal.Copy(src, buf.Data, 0, buf.BufferLength);
Write(buf);
}
/// <summary>
/// Send long midi message.
/// ����midi�f�[�^�𑗂�܂��B
/// </summary>
/// <param name="data">�f�[�^</param>
/// <param name="offset">�ǂݏo���ʒu</param>
/// <param name="count">�ǂݏo���o�C�g��</param>
public void Write(byte[] data, int offset, int count)
{
EnsureOpened();
MidiBuffer buf = new MidiBuffer(count);
buf.BufferLength = count;
Array.Copy(data, offset, buf.Data, 0, buf.BufferLength);
Write(buf);
}
/// <summary>
/// Start recording. �^���J�n
/// </summary>
/// <param name="bufferCount"> ex) 256 : �o�b�t�@��</param>
/// <param name="bufferSize"> ex) 1024 : �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++)
{
MidiBuffer buf = new MidiBuffer(bufferSize);
Win32.midiInPrepareHeader(deviceHandle, buf.pHeader, Win32.MidiHeader.SizeOfMidiHeader);
Win32.midiInAddBuffer(deviceHandle, buf.pHeader, Win32.MidiHeader.SizeOfMidiHeader);
Interlocked.Increment(ref enqueuedBufferCount);
}
int mmret = Win32.midiInStart(deviceHandle);
if (mmret != Win32.MMSYSERR_NOERROR)
{
throw new Exception("Error on midiInStart. (ret = " + mmret + ")");
}
recording = true;
}
/// <summary>
/// Send long midi message.
/// ����midi�f�[�^�𑗂�܂�
/// </summary>
/// <param name="data">�f�[�^</param>
/// <param name="offset">�ǂݏo���ʒu</param>
/// <param name="count">�ǂݏo���o�C�g��</param>
public void Write(byte[] data, int offset, int count)
{
EnsureOpened();
MidiBuffer buf = new MidiBuffer(count);
buf.BufferLength = count;
Array.Copy(data, offset, buf.Data, 0, buf.BufferLength);
System.Diagnostics.Trace.WriteLine("Sending message to DEVICE: " + BitConverter.ToString(data));
Write(buf);
}
