controlChange method
Sends a MIDI Control Change (CC) message to the specified channel on a soundfont.
controller is the CC number (0-127), value is the CC value (0-127).
Implementation
@override
Future<void> controlChange(int sfId, int channel, int controller, int value) async {
await _channel.invokeMethod('controlChange', {
'sfId': sfId,
'channel': channel,
'controller': controller,
'value': value,
});
}