void LoadMidi(string MidFile, string Track)
{
TempoWorker tempo = new TempoWorker(120, TempoWorker.NoteType.Crotchet);
MidiRResult MidiRecv = MidiWorker.ReadMidi(MidFile, Track);
NoteOnEvent FN = MidiRecv.Notes[0];
long off = FN.AbsoluteTime;
for (int i = 0; i < MidiRecv.Notes.Count; i++)
{
NoteOnEvent NoteEvent = MidiRecv.Notes[i];
PianoNote PNote = new PianoNote(
NoteEvent.AbsoluteTime - off,
NoteEvent.NoteLength,
new BalthasarLib.PianoRollWindow.PitchValuePair((uint)NoteEvent.NoteNumber, 0)
);
PNote.OctaveType = PitchValuePair.OctaveTypeEnum.Piano;
PNote.Lyric = PNote.PitchValue.NoteChar + PNote.PitchValue.Octave.ToString();
NoteList.Add(PNote);
}
int j = 0;
int k = 0;
PitchList.Add(k, new List <PitchNode>());
for (int i = 0; i < MidiRecv.Pitchs.Count; i++)
{
if (j >= MidiRecv.Notes.Count)
{
break;
}
if (MidiRecv.Pitchs[i].PitchWheelChangeEvent.AbsoluteTime - off < NoteList[j].Tick)
{
continue; //在音符前，抛弃
}
if (MidiRecv.Pitchs[i].PitchWheelChangeEvent.AbsoluteTime - off > NoteList[j].Tick + NoteList[j].Length)
{
//在音符后
j++;
k++;
i--;//重来一遍
PitchList.Add(k, new List <PitchNode>());
continue;
}
PitchValuePair pvp = new PitchValuePair((uint)MidiRecv.Notes[j].NoteNumber, MidiRecv.Pitchs[i].PIT, (uint)MidiRecv.Pitchs[i].PBS);
PitchNode PitN = new PitchNode(MidiRecv.Pitchs[i].PitchWheelChangeEvent.AbsoluteTime - off, pvp.PitchValue);
PitchList[k].Add(PitN);
}
}
void PlayMidi(string MidFile, string Track)
{
List <PianoNote> NoteListEX = new List <PianoNote>();
TempoWorker tempo = new TempoWorker(120, TempoWorker.NoteType.Crotchet);
MidiRResult MidiRecv = MidiWorker.ReadMidi(MidFile, Track);
NoteOnEvent FN = MidiRecv.Notes[0];
long off = FN.AbsoluteTime;
long lastEnd = 0;
for (int i = 0; i < MidiRecv.Notes.Count; i++)
{
NoteOnEvent NoteEvent = MidiRecv.Notes[i];
PianoNote PNote = new PianoNote(
NoteEvent.AbsoluteTime - off,
NoteEvent.NoteLength,
new BalthasarLib.PianoRollWindow.PitchValuePair((uint)NoteEvent.NoteNumber, 0)
);
PNote.OctaveType = PitchValuePair.OctaveTypeEnum.Piano;
PNote.Lyric = PNote.PitchValue.NoteChar + PNote.PitchValue.Octave.ToString();
if (PNote.Tick > lastEnd)
{
NoteListEX.Add(new PianoNote(lastEnd, PNote.Tick - lastEnd, 0));
}
NoteListEX.Add(PNote);
}
using (MidiOut midiOut = new MidiOut(0))
{
midiOut.Volume = 65535;
int j = 0;
int k = 0;
bool isp = false;
for (int i = 0; i < MidiRecv.Pitchs.Count; i++)
{
if (j >= MidiRecv.Notes.Count)
{
break;
}
if (MidiRecv.Pitchs[i].PitchWheelChangeEvent.AbsoluteTime - off < 0)
{
continue;
}
if (MidiRecv.Pitchs[i].PitchWheelChangeEvent.AbsoluteTime - off < NoteListEX[j].Tick)
{
System.Threading.Thread.Sleep((int)tempo.Tick2Millisecond(MidiRecv.Pitchs[i].PitchWheelChangeEvent.DeltaTime));
continue; //在音符前，抛弃
}
if (MidiRecv.Pitchs[i].PitchWheelChangeEvent.AbsoluteTime - off > NoteListEX[j].Tick + NoteListEX[j].Length)
{
//在音符后
midiOut.Send(MidiMessage.StopNote((int)NoteListEX[j].PitchValue.NoteNumber, 0, 1).RawData);
isp = false;
j++;
k++;
i--; //重来一遍
PitchList.Add(k, new List <PitchNode>());
continue;
}
if (!isp)
{
isp = true;
midiOut.Send(MidiMessage.StartNote((int)NoteListEX[j].PitchValue.NoteNumber, 127, 1).RawData);
}
midiOut.Send(MidiRecv.Pitchs[i].PitchWheelChangeEvent.GetAsShortMessage());
System.Threading.Thread.Sleep((int)tempo.Tick2Millisecond(MidiRecv.Pitchs[i].PitchWheelChangeEvent.DeltaTime));
}
}
}
