/// <summary>
/// Opens a new midi device and *should* automatically close the previous connection
/// </summary>
/// <param name="deviceInput">Midi input device ID</param>
/// <param name="deviceOutput">Midi output device ID</param>
public void OpenMidiDevice(IMidiPortDetails deviceInput, IMidiPortDetails deviceOutput)
{
if (midiOutput != null)
{
midiOutput.CloseAsync();//Will this wait for the port to be closed or does it really matter?
}
if (midiInput != null)
{
midiInput.MessageReceived -= MidiInput_MessageReceived;
midiInput.CloseAsync();//Will this wait for the port to be closed or does it really matter?
}
var access = MidiAccessManager.Default;
try
{
midiOutput = access.OpenOutputAsync(deviceOutput.Id).Result;
midiInput = access.OpenInputAsync(deviceInput.Id).Result;
midiInput.MessageReceived += MidiInput_MessageReceived;
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
public async void SetOutputPort(IMidiPortDetails port)
{
await output.CloseAsync();
// output.Dispose();
this.output = await access.OpenOutputAsync(port.Id);
}
public void Dispose()
{
// Calling CloseAsync is significantly faster than calling Dispose.
// This is slightly odd, as the implementation for desktop seems to call
// CloseAsync too. Not sure what's going on, and maybe we should be waiting
// the task to complete... but it doesn't seem to cause any harm.
input.CloseAsync();
output.CloseAsync();
}
public void UpdateSelectedInstrument(SoundFontSelection item)
{
if (skip_loading)
{
return;
}
var prevItem = SelectedSoundItem;
SelectedSoundItem = item;
if (output != null && item.File != prevItem.File)
{
output.CloseAsync();
keyon_flags = new bool [128];
}
if (prevItem?.File != item.File)
{
access = new FluidsynthMidiAccess();
if (File.Exists("/dev/snd/seq")) // ALSA
{
access.ConfigureSettings = s =>
s [NFluidsynth.ConfigurationKeys.AudioDriver].StringValue = "alsa";
}
access.SoundFonts.Add(item.File);
output = access.OpenOutputAsync(access.Outputs.First().Id).Result;
}
int ch = item.Bank >= 128 ? 9 : 0;
/*
* output.Send (new byte[] {(byte) (MidiEvent.CC + ch), MidiCC.BankSelect, (byte) (item.Bank / 0x80)}, 0, 3, 0);
* output.Send (new byte[] {(byte) (MidiEvent.CC + ch), MidiCC.BankSelectLsb, (byte) (item.Bank % 0x80)}, 0, 3, 0);
* output.Send (new byte[] {(byte) (MidiEvent.Program + ch), (byte) (item.Instrument % 128)}, 0, 2, 0);
* output.Send (new byte[] {(byte) (MidiEvent.CC + ch), MidiCC.Volume, 120}, 0, 3, 0);
*/
output.Send(new byte[] { (byte)(MidiEvent.CC + ch), MidiCC.BankSelect, (byte)(item.Bank / 0x80) }, 0, 3, 0);
output.Send(new byte[] { (byte)(MidiEvent.CC + ch), MidiCC.BankSelectLsb, (byte)(item.Bank % 0x80) }, 0, 3, 0);
output.Send(new byte[] { (byte)(MidiEvent.Program + ch), (byte)(item.Patch % 128) }, 0, 2, 0);
output.Send(new byte[] { (byte)(MidiEvent.CC + ch), MidiCC.Volume, 127 }, 0, 3, 0);
output.Send(new byte[] { (byte)(MidiEvent.CC + ch), MidiCC.Expression, 127 }, 0, 3, 0);
}
public void Dispose()
{
// FIXME
input.CloseAsync();
output.CloseAsync();
}
public async void Close() => await MidiOutput.CloseAsync();
