unsafe public virtual void openOutput(int outputDevice, string outputDriverInfo, int bufferSize, int latency)
{
CsPortMidiApi.PortMidiStream stream;
if (OpenOutput)
{
CsPortMidiApi.Pm_Close(output);
}
else
{
stream = new CsPortMidiApi.PortMidiStream();
output = &stream;
}
if (trace)
{
Console.WriteLine("openOutput " + getDeviceName(outputDevice));
}
fixed(CsPortMidiApi.PortMidiStream **p = &output)
{
checkError(CsPortMidiApi.Pm_OpenOutput(p, outputDevice, outputDriverInfo, bufferSize, latency));
}
// if no exception, then increase count of open streams
openCount++;
}
unsafe public virtual void closeOutput()
{
if (output == null)
{
return; // no effect if output not open
}
checkError(CsPortMidiApi.Pm_Close(output));
output = null;
openCount--;
}
