public bool LoadMidi(MidiFile midi, bool UnloadUnusedInstruments)
{
if (playing == true)
{
return(false);
}
_MidiFile = midi;
if (_MidiFile.SequencerReady == false)
{
try
{
//Combine all tracks into 1 track that is organized from lowest to highest abs time
_MidiFile.CombineTracks();
//Convert delta time to sample time
eventIndex = 0;
uint lastSample = 0;
for (int x = 0; x < _MidiFile.Tracks[0].MidiEvents.Length; x++)
{
_MidiFile.Tracks[0].MidiEvents[x].deltaTime = lastSample + (uint)DeltaTimetoSamples(_MidiFile.Tracks[0].MidiEvents[x].deltaTime);
lastSample = _MidiFile.Tracks[0].MidiEvents[x].deltaTime;
//Update tempo
if (_MidiFile.Tracks[0].MidiEvents[x].midiMetaEvent == MidiHelper.MidiMetaEvent.Tempo)
{
_MidiFile.BeatsPerMinute = MidiHelper.MicroSecondsPerMinute / System.Convert.ToUInt32(_MidiFile.Tracks[0].MidiEvents[x].Parameters[0]);
}
}
//Set total time to proper value
_MidiFile.Tracks[0].TotalTime = _MidiFile.Tracks[0].MidiEvents[_MidiFile.Tracks[0].MidiEvents.Length - 1].deltaTime;
//reset tempo
_MidiFile.BeatsPerMinute = 120;
//mark midi as ready for sequencing
_MidiFile.SequencerReady = true;
}
catch (Exception ex)
{
//UnitySynth
Debug.Log("Error Loading Midi:\n" + ex.Message);
return(false);
}
}
blockList.Clear();
if (UnloadUnusedInstruments == true)
{
if (synth.SoundBank == null)
{//If there is no bank warn the developer =)
Debug.Log("No Soundbank loaded !");
}
else
{
string bankStr = synth.SoundBank.BankPath;
//Remove old bank being used by synth
synth.UnloadBank();
//Add the bank and switch to it with the synth
BankManager.addBank(new InstrumentBank(synth.SampleRate, bankStr, _MidiFile.Tracks[0].Programs, _MidiFile.Tracks[0].DrumPrograms));
synth.SwitchBank(BankManager.Count - 1);
}
}
return(true);
}