/// <summary>
/// Initializes the MidiHeaderBuilder with the specified SysExMessage.
/// </summary>
/// <param name="message">
/// The SysExMessage to use for initializing the MidiHeaderBuilder.
/// </param>
public void InitializeBuffer(SysExMessage message)
{
// If this is a start system exclusive message.
if (message.SysExType == SysExType.Start)
{
BufferLength = message.Length;
// Copy entire message.
for (int i = 0; i < BufferLength; i++)
{
data[i] = message[i];
}
}
// Else this is a continuation message.
else
{
BufferLength = message.Length - 1;
// Copy all but the first byte of message.
for (int i = 0; i < BufferLength; i++)
{
data[i] = message[i + 1];
}
}
}
public override void Send(SysExMessage message)
{
// System exclusive cancels running status.
runningStatus = 0;
base.Send(message);
}
public override bool Equals(object obj)
{
#region Guard
if (!(obj is SysExMessage))
{
return(false);
}
#endregion
SysExMessage message = (SysExMessage)obj;
bool equals = true;
if (this.Length != message.Length)
{
equals = false;
}
for (int i = 0; i < this.Length && equals; i++)
{
if (this[i] != message[i])
{
equals = false;
}
}
return(equals);
}
public void Record(SysExMessage message)
{
if (clock.IsRunning)
{
buffer.Add(new TimestampedMessage(clock.Ticks, message));
}
}
private void Write(SysExMessage message)
{
// System exclusive message cancel running status.
runningStatus = 0;
trackData.Add((byte)message.Status);
WriteVariableLengthValue(message.Length - 1);
for (int i = 1; i < message.Length; i++)
{
trackData.Add(message[i]);
}
}
public virtual void Send(SysExMessage message)
{
#region Require
if (IsDisposed)
{
throw new ObjectDisposedException(this.GetType().Name);
}
#endregion
lock (lockObject)
{
headerBuilder.InitializeBuffer(message);
headerBuilder.Build();
// Prepare system exclusive buffer.
int result = midiOutPrepareHeader(Handle, headerBuilder.Result, SizeOfMidiHeader);
// If the system exclusive buffer was prepared successfully.
if (result == MidiDeviceException.MMSYSERR_NOERROR)
{
bufferCount++;
// Send system exclusive message.
result = midiOutLongMsg(Handle, headerBuilder.Result, SizeOfMidiHeader);
// If the system exclusive message could not be sent.
if (result != MidiDeviceException.MMSYSERR_NOERROR)
{
midiOutUnprepareHeader(Handle, headerBuilder.Result, SizeOfMidiHeader);
bufferCount--;
headerBuilder.Destroy();
// Throw an exception.
throw new OutputDeviceException(result);
}
}
// Else the system exclusive buffer could not be prepared.
else
{
// Destroy system exclusive buffer.
headerBuilder.Destroy();
// Throw an exception.
throw new OutputDeviceException(result);
}
}
}
private void Write(int deltaTicks, SysExMessage message)
{
#region Require
if (IsDisposed)
{
throw new ObjectDisposedException("OutputStream");
}
#endregion
// Delta time.
events.AddRange(BitConverter.GetBytes(deltaTicks + offsetTicks));
// Stream ID.
events.AddRange(streamID);
// Event code.
byte[] eventCode = BitConverter.GetBytes(message.Length);
eventCode[eventCode.Length - 1] = MEVT_LONGMSG;
events.AddRange(eventCode);
byte[] sysExData;
if (message.Length % 4 != 0)
{
sysExData = new byte[message.Length + (message.Length % 4)];
message.GetBytes().CopyTo(sysExData, 0);
}
else
{
sysExData = message.GetBytes();
}
// SysEx data.
events.AddRange(sysExData);
offsetTicks = 0;
}
private void HandleSysExMessage(object state)
{
lock (lockObject)
{
IntPtr headerPtr = (IntPtr)state;
MidiHeader header = (MidiHeader)Marshal.PtrToStructure(headerPtr, typeof(MidiHeader));
if (!resetting)
{
for (int i = 0; i < header.bytesRecorded; i++)
{
sysExData.Add(Marshal.ReadByte(header.data, i));
}
if (sysExData[0] == 0xF0 && sysExData[sysExData.Count - 1] == 0xF7)
{
SysExMessage message = new SysExMessage(sysExData.ToArray());
sysExData.Clear();
OnMessageReceived(message);
OnSysExMessageReceived(new SysExMessageEventArgs(message));
}
int result = AddSysExBuffer();
if (result != DeviceException.MMSYSERR_NOERROR)
{
Exception ex = new InputDeviceException(result);
OnError(new ErrorEventArgs(ex));
}
}
ReleaseBuffer(headerPtr);
}
}
public SysExMessageEventArgs(SysExMessage message)
{
this.message = message;
}
