static MidiDeviceManager()
{
PortMidiMarshal.Pm_Initialize();
AppDomain.CurrentDomain.DomainUnload += delegate(object o, EventArgs e)
{
PortMidiMarshal.Pm_Terminate();
};
}
public void WriteSysEx(PmTimestamp when, byte[] sysex)
{
var ret = PortMidiMarshal.Pm_WriteSysEx(stream, when, sysex);
if (ret != PmError.NoError)
{
throw new MidiException(ret, String.Format("Failed to write sysex message : {0}", PortMidiMarshal.Pm_GetErrorText((PmError)ret)));
}
}
public void Write(PmTimestamp when, MidiMessage msg)
{
var ret = PortMidiMarshal.Pm_WriteShort(stream, when, msg);
if (ret != PmError.NoError)
{
throw new MidiException(ret, String.Format("Failed to write message {0} : {1}", msg.Value, PortMidiMarshal.Pm_GetErrorText((PmError)ret)));
}
}
public static MidiOutput OpenOutput(PmDeviceID outputDevice)
{
PortMidiStream stream;
var e = PortMidiMarshal.Pm_OpenOutput(out stream, outputDevice, IntPtr.Zero, 0, null, IntPtr.Zero, 0);
if (e != PmError.NoError)
{
throw new MidiException(e, String.Format("Failed to open MIDI output device {0}", e));
}
return(new MidiOutput(stream, outputDevice, 0));
}
public static MidiInput OpenInput(PmDeviceID inputDevice, int bufferSize)
{
PortMidiStream stream;
var e = PortMidiMarshal.Pm_OpenInput(out stream, inputDevice, IntPtr.Zero, bufferSize, null, IntPtr.Zero);
if (e != PmError.NoError)
{
throw new MidiException(e, String.Format("Failed to open MIDI input device {0}", e));
}
return(new MidiInput(stream, inputDevice));
}
public void Write(MidiEvent[] buffer, int index, int length)
{
var gch = GCHandle.Alloc(buffer);
try
{
var ptr = Marshal.UnsafeAddrOfPinnedArrayElement(buffer, index);
var ret = PortMidiMarshal.Pm_Write(stream, ptr, length);
if (ret != PmError.NoError)
{
throw new MidiException(ret, String.Format("Failed to write messages : {0}", PortMidiMarshal.Pm_GetErrorText((PmError)ret)));
}
}
finally
{
gch.Free();
}
}
public int Read(byte[] buffer, int index, int length)
{
var gch = GCHandle.Alloc(buffer);
try
{
var ptr = Marshal.UnsafeAddrOfPinnedArrayElement(buffer, index);
int size = PortMidiMarshal.Pm_Read(stream, ptr, length);
if (size < 0)
{
throw new MidiException((MidiErrorType)size, PortMidiMarshal.Pm_GetErrorText((PmError)size));
}
return(size * 4);
}
catch
{
return(0);
}
finally
{
gch.Free();
}
}
public static MidiDeviceInfo GetDeviceInfo(PmDeviceID id)
{
return(new MidiDeviceInfo(id, PortMidiMarshal.Pm_GetDeviceInfo(id)));
}
public void SetChannelMask(int mask)
{
PortMidiMarshal.Pm_SetChannelMask(stream, mask);
}
public void SetFilter(MidiFilter filters)
{
PortMidiMarshal.Pm_SetFilter(stream, filters);
}
public void Dispose()
{
PortMidiMarshal.Pm_Close(stream);
}
public void Abort()
{
PortMidiMarshal.Pm_Abort(stream);
}
