public int CalculateNextPosEvents(double timeFromStartMS)
{
if (MidiSorted != null)
{
CurrentTick = MPTK_ConvertTimeToTick(timeFromStartMS);
//Debug.Log(">>> CalculateNextPosEvents - CurrentPulse:" + CurrentTick + " CurrentNextPosEvent:" + NextPosEvent + " LastTimeFromStartMS:" + LastTimeFromStartMS + " timeFromStartMS:" + Convert.ToInt32(timeFromStartMS));
if (CurrentTick == 0)
{
NextPosEvent = 0;
LastTimeFromStartMS = 0;
}
else
{
LastTimeFromStartMS = timeFromStartMS;
for (int currentPosEvent = 0; currentPosEvent < MidiSorted.Count; currentPosEvent++)
{
TrackMidiEvent trackEvent = MidiSorted[currentPosEvent];
//Debug.Log("CurrentPulse:" + CurrentPulse + " trackEvent:" + trackEvent.AbsoluteQuantize);
if (trackEvent.Event.AbsoluteTime > CurrentTick)// && CurrentPulse < nexttrackEvent.Event.AbsoluteTime )
{
NextPosEvent = currentPosEvent;
//Debug.Log(" CalculateNextPosEvents - NextPosEvent:" + NextPosEvent + " trackEvent:" + trackEvent.Event.AbsoluteTime + " timeFromStartMS:" + Convert.ToInt32(timeFromStartMS));
//Debug.Log("NextPosEvent:" + NextPosEvent);
break;
}
//if (currentPosEvent == MidiSorted.Count - 1) Debug.Log("Last CalculateNextPosEvents - currentPosEvent:" + currentPosEvent + " trackEvent:" + trackEvent.Event.AbsoluteTime + " timeFromStartMS:" + Convert.ToInt32(timeFromStartMS));
}
}
//Debug.Log("<<< CalculateNextPosEvents NextPosEvent:" + NextPosEvent);
}
return(NextPosEvent);
}
private MPTKEvent CreateNoteOffForNote(List <MPTKEvent> mptkEvents, TrackMidiEvent trackEvent)
{
MPTKEvent midievent;
NoteEvent noteoff = (NoteEvent)trackEvent.Event;
//Debug.Log(string.Format("Track:{0} NoteNumber:{1,3:000} AbsoluteTime:{2,6:000000} NoteLength:{3,6:000000} OffDeltaTime:{4,6:000000} ", track, noteon.NoteNumber, noteon.AbsoluteTime, noteon.NoteLength, noteon.OffEvent.DeltaTime));
midievent = new MPTKEvent()
{
Tick = trackEvent.AbsoluteQuantize,
Command = MPTKCommand.NoteOff,
Value = noteoff.NoteNumber,
Channel = trackEvent.Event.Channel - 1,
Velocity = noteoff.Velocity,
Duration = 0,
Length = 0,
};
//mptkEvents.Add(midievent);
// if (LogEvents)
// {
// string notename = (midievent.Channel != 9) ?
// String.Format("{0}{1}", NoteNames[midievent.Value % 12], midievent.Value / 12) : "Drum";
// Debug.Log(BuildInfoTrack(trackEvent) + string.Format("NoteOff {0,3:000}\t{1,-4}\tLenght:{2}", midievent.Value, notename, " Note Off"));
// }
if (midievent.Channel == selectedChannel)
{
Kbd_PKeyGen.instance.ShowMidiNoteOff(noteoff.NoteNumber);
}
return(midievent);
}
private string BuildInfoTrack(TrackMidiEvent e)
{
#if !DEBUG_LOGEVENT
return(string.Format("[A:{0,5:00000} Q:{1,5:00000} P:{2,5:00000}] [T:{3,2:00} C:{4,2:00}] ",
e.Event.AbsoluteTime, e.AbsoluteQuantize, cur_ticks, e.IndexTrack, e.Event.Channel));
#else
return(string.Format("[A:{0,5:00000} D:{1,4:0000} Q:{2,5:00000} CurrentTick:{3,5:00000}] [Track:{4,2:00} Channel:{5,2:00}] ",
e.Event.AbsoluteTime, e.Event.DeltaTime, e.AbsoluteQuantize, cur_ticks, e.IndexTrack, e.Event.Channel));
#endif
}
private void AnalyzeTimeSignature(MetaEvent meta, TrackMidiEvent trackEvent = null)
{
TimeSignatureEvent timesig = (TimeSignatureEvent)meta;
// Numerator: counts the number of beats in a measure.
// For example a numerator of 4 means that each bar contains four beats.
MPTK_TimeSigNumerator = timesig.Numerator;
// Denominator: number of quarter notes in a beat.0=ronde, 1=blanche, 2=quarter, 3=eighth, etc.
MPTK_TimeSigDenominator = timesig.Denominator;
MPTK_NumberBeatsMeasure = timesig.Numerator;
MPTK_NumberQuarterBeat = System.Convert.ToInt32(Mathf.Pow(2f, timesig.Denominator));
MPTK_TicksInMetronomeClick = timesig.TicksInMetronomeClick;
MPTK_No32ndNotesInQuarterNote = timesig.No32ndNotesInQuarterNote;
if (LogEvents && trackEvent != null)
{
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Meta {0,-15} Numerator:{1} Denominator:{2}", meta.MetaEventType, timesig.Numerator, timesig.Denominator));
}
}
public void CalculateNextPosEvents(double timeFromStartMS)
{
if (MidiSorted != null)
{
CurrentPulse = Convert.ToInt64(timeFromStartMS / PulseLengthMs);
//Debug.Log(">>> CalculateNextPosEvents - CurrentPulse:" + CurrentPulse + " CurrentNextPosEvent:" + NextPosEvent + " LastTimeFromStartMS:" + LastTimeFromStartMS + " timeFromStartMS:" + Convert.ToInt32(timeFromStartMS));
if (CurrentPulse == 0)
{
NextPosEvent = 0;
LastTimeFromStartMS = 0;
}
else
{
LastTimeFromStartMS = timeFromStartMS;
// From the last position played
for (int currentPosEvent = 0; currentPosEvent < MidiSorted.Count; currentPosEvent++)
{
TrackMidiEvent trackEvent = MidiSorted[currentPosEvent];
//if (currentPosEvent + 1 < MidiSorted.Count)
{
//TrackMidiEvent nexttrackEvent = MidiSorted[currentPosEvent + 1];
//Debug.Log("CurrentPulse:" + CurrentPulse+ " trackEvent:" + trackEvent.AbsoluteQuantize+ " nexttrackEvent:" + nexttrackEvent.AbsoluteQuantize);
if (trackEvent.Event.AbsoluteTime > CurrentPulse)// && CurrentPulse < nexttrackEvent.Event.AbsoluteTime )
{
NextPosEvent = currentPosEvent;
//Debug.Log(" CalculateNextPosEvents - NextPosEvent:" + NextPosEvent + " trackEvent:" + trackEvent.Event.AbsoluteTime + " timeFromStartMS:" + Convert.ToInt32(timeFromStartMS));
//Debug.Log("NextPosEvent:" + NextPosEvent);
break;
}
//if (currentPosEvent == MidiSorted.Count - 1) Debug.Log("Last CalculateNextPosEvents - currentPosEvent:" + currentPosEvent + " trackEvent:" + trackEvent.Event.AbsoluteTime + " timeFromStartMS:" + Convert.ToInt32(timeFromStartMS));
}
}
}
//Debug.Log("<<< CalculateNextPosEvents NextPosEvent:" + NextPosEvent);
}
}
private string BuildInfoTrack(TrackMidiEvent e)
{
return(string.Format("[A:{0,5:00000} Q:{1,5:00000} P:{2,5:00000}] [T:{3,2:00} C:{4,2:00}] ", e.Event.AbsoluteTime, e.AbsoluteQuantize, CurrentPulse, e.IndexTrack, e.Event.Channel));
}
public List <MidiNote> ReadMidiEvents(double timeFromStartMS)
{
List <MidiNote> notes = null;
try
{
EndMidiEvent = false;
if (midifile != null)
{
if (NextPosEvent < MidiSorted.Count)
{
// The BPM measures how many quarter notes happen in a minute. To work out the length of each pulse we can use the following formula:
// Pulse Length = 60 / (BPM * PPQN)
// Calculate current pulse to play
CurrentPulse += Convert.ToInt64((timeFromStartMS - LastTimeFromStartMS) / PulseLengthMs);
LastTimeFromStartMS = timeFromStartMS;
// From the last position played
for (int currentPosEvent = NextPosEvent; currentPosEvent < MidiSorted.Count; currentPosEvent++)
{
TrackMidiEvent trackEvent = MidiSorted[currentPosEvent];
if (Quantization != 0)
{
trackEvent.AbsoluteQuantize = ((trackEvent.Event.AbsoluteTime + Quantization / 2) / Quantization) * Quantization;
}
else
{
trackEvent.AbsoluteQuantize = trackEvent.Event.AbsoluteTime;
}
//Debug.Log("ReadMidiEvents - timeFromStartMS:" + Convert.ToInt32(timeFromStartMS) + " LastTimeFromStartMS:" + Convert.ToInt32(LastTimeFromStartMS) + " CurrentPulse:" + CurrentPulse + " AbsoluteQuantize:" + trackEvent.AbsoluteQuantize);
if (trackEvent.AbsoluteQuantize <= CurrentPulse)
{
NextPosEvent = currentPosEvent + 1;
if (trackEvent.Event.CommandCode == MidiCommandCode.NoteOn)
{
if (((NoteOnEvent)trackEvent.Event).OffEvent != null)
{
NoteOnEvent noteon = (NoteOnEvent)trackEvent.Event;
// if (noteon.OffEvent != null)
{
if (notes == null)
{
notes = new List <MidiNote>();
}
//Debug.Log(string.Format("Track:{0} NoteNumber:{1,3:000} AbsoluteTime:{2,6:000000} NoteLength:{3,6:000000} OffDeltaTime:{4,6:000000} ", track, noteon.NoteNumber, noteon.AbsoluteTime, noteon.NoteLength, noteon.OffEvent.DeltaTime));
MidiNote note = new MidiNote()
{
AbsoluteQuantize = trackEvent.AbsoluteQuantize,
Midi = noteon.NoteNumber,
Channel = trackEvent.Event.Channel,
Velocity = noteon.Velocity,
Duration = noteon.NoteLength * PulseLengthMs,
Length = noteon.NoteLength,
Patch = PatchChanel[trackEvent.Event.Channel - 1],
Drum = (trackEvent.Event.Channel == 10),
Delay = 0,
Pan = EnablePanChange ? PanChanel[trackEvent.Event.Channel - 1] : -1,
};
if (VolumeChanel[note.Channel - 1] != 127)
{
note.Velocity = Mathf.RoundToInt(((float)note.Velocity) * ((float)VolumeChanel[trackEvent.Event.Channel - 1]) / 127f);
}
notes.Add(note);
if (LogEvents)
{
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("{0,-4} {1,3:000} Lenght:{2} {3} Veloc:{4}",
noteon.NoteName, noteon.NoteNumber, noteon.NoteLength, NoteLength(note), noteon.Velocity));
}
}
}
}
else if (trackEvent.Event.CommandCode == MidiCommandCode.NoteOff)
{
// no need, noteoff are associated with noteon
}
else if (trackEvent.Event.CommandCode == MidiCommandCode.ControlChange)
{
ControlChangeEvent controlchange = (ControlChangeEvent)trackEvent.Event;
if (controlchange.Controller == MidiController.Expression)
{
VolumeChanel[trackEvent.Event.Channel - 1] = controlchange.ControllerValue;
}
else if (controlchange.Controller == MidiController.MainVolume)
{
VolumeChanel[trackEvent.Event.Channel - 1] = controlchange.ControllerValue;
}
else if (controlchange.Controller == MidiController.Pan)
{
PanChanel[trackEvent.Event.Channel - 1] = controlchange.ControllerValue;
}
// Other midi event
if (LogEvents)
{
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Control {0} {1}", controlchange.Controller, controlchange.ControllerValue));
}
}
else if (trackEvent.Event.CommandCode == MidiCommandCode.PatchChange)
{
PatchChangeEvent change = (PatchChangeEvent)trackEvent.Event;
PatchChanel[trackEvent.Event.Channel - 1] = trackEvent.Event.Channel == 10 ? 0 : change.Patch;
if (LogEvents)
{
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Patch {0,3:000} {1}", change.Patch, PatchChangeEvent.GetPatchName(change.Patch)));
}
}
else if (trackEvent.Event.CommandCode == MidiCommandCode.MetaEvent)
{
MetaEvent meta = (MetaEvent)trackEvent.Event;
switch (meta.MetaEventType)
{
case MetaEventType.SetTempo:
if (EnableChangeTempo)
{
TempoEvent tempo = (TempoEvent)meta;
//NewQuarterPerMinuteValue = tempo.Tempo;
ChangeTempo(tempo.Tempo);
//if (LogEvents)Debug.Log(BuildInfoTrack(trackEvent) + string.Format("SetTempo {0} MicrosecondsPerQuarterNote:{1}", tempo.Tempo, tempo.MicrosecondsPerQuarterNote));
}
break;
case MetaEventType.SequenceTrackName:
if (!string.IsNullOrEmpty(SequenceTrackName))
{
SequenceTrackName += "\n";
}
SequenceTrackName += string.Format("T{0,2:00} {1}", trackEvent.IndexTrack, ((TextEvent)meta).Text);
if (LogEvents)
{
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Sequence '{0}'", ((TextEvent)meta).Text));
}
break;
case MetaEventType.ProgramName:
ProgramName += ((TextEvent)meta).Text + " ";
if (LogEvents)
{
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Program '{0}'", ((TextEvent)meta).Text));
}
break;
case MetaEventType.TrackInstrumentName:
if (!string.IsNullOrEmpty(TrackInstrumentName))
{
TrackInstrumentName += "\n";
}
TrackInstrumentName += string.Format("T{0,2:00} {1}", trackEvent.IndexTrack, ((TextEvent)meta).Text);
if (LogEvents)
{
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Text '{0}'", ((TextEvent)meta).Text));
}
break;
case MetaEventType.TextEvent:
TextEvent += ((TextEvent)meta).Text + " ";
if (LogEvents)
{
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Sequence '{0}'", ((TextEvent)meta).Text));
}
break;
case MetaEventType.Copyright:
Copyright += ((TextEvent)meta).Text + " ";
if (LogEvents)
{
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Copyright '{0}'", ((TextEvent)meta).Text));
}
break;
case MetaEventType.Lyric: // lyric
case MetaEventType.Marker: // marker
case MetaEventType.CuePoint: // cue point
case MetaEventType.DeviceName:
break;
}
//Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Meta {0} {1}", meta.MetaEventType, meta.ToString()));
}
else
{
// Other midi event
//Debug.Log(string.Format("Track:{0} Channel:{1,2:00} CommandCode:{2,3:000} AbsoluteTime:{3,6:000000}", track, e.Channel, e.CommandCode.ToString(), e.AbsoluteTime));
}
}
else
{
// Out of time, exit for loop
break;
}
}
if (notes != null)
{
//if (CancelNextReadEvents)
//{
// notes = null;
// //Debug.Log("CancelNextReadEvents");
// CancelNextReadEvents = false;
//}
//else
//if (notes.Count > 3 && (notes[notes.Count - 1].AbsoluteQuantize - notes[0].AbsoluteQuantize) > midifile.DeltaTicksPerQuarterNote * 8)
//{
// //notes.RemoveRange(0, notes.Count - 1);
// Debug.Log("--> Too much notes " + notes.Count + " timeFromStartMS:" + Convert.ToInt32(timeFromStartMS) + " Start:" + notes[0].AbsoluteQuantize + " Ecart:" + (notes[notes.Count - 1].AbsoluteQuantize - notes[0].AbsoluteQuantize) + " CurrentPulse:" + CurrentPulse);
// //notes = null;
//}
}
}
else
{
// End of midi events
EndMidiEvent = true;
}
}
}
catch (System.Exception ex)
{
MidiPlayerGlobal.ErrorDetail(ex);
}
return(notes);
}
private static string BuildInfoTrack(TrackMidiEvent e)
{
return(string.Format("[{0,5:000000}] [T:{1,2:00} C:{2,2:00}] ", e.Event.AbsoluteTime, e.IndexTrack, e.Event.Channel));
}
/// <summary>
/// Read midi event Tempo and Patch change from start
/// </summary>
/// <param name="timeFromStartMS"></param>
/// <returns></returns>
public List <MPTKEvent> ReadChangeFromStart(int position)
{
List <MPTKEvent> midievents = new List <MPTKEvent>();;
try
{
if (midifile != null)
{
if (position < 0 || position >= MidiSorted.Count)
{
position = MidiSorted.Count - 1;
}
for (int currentPosEvent = 0; currentPosEvent < position; currentPosEvent++)
{
TrackMidiEvent trackEvent = MidiSorted[currentPosEvent];
MPTKEvent midievent = null;
switch (trackEvent.Event.CommandCode)
{
case MidiCommandCode.ControlChange:
ControlChangeEvent controlchange = (ControlChangeEvent)trackEvent.Event;
midievent = new MPTKEvent()
{
Tick = trackEvent.AbsoluteQuantize,
Command = MPTKCommand.ControlChange,
Channel = trackEvent.Event.Channel - 1,
Controller = (MPTKController)controlchange.Controller,
Value = controlchange.ControllerValue,
};
break;
case MidiCommandCode.PatchChange:
PatchChangeEvent change = (PatchChangeEvent)trackEvent.Event;
midievent = new MPTKEvent()
{
Tick = trackEvent.AbsoluteQuantize,
Command = MPTKCommand.PatchChange,
Channel = trackEvent.Event.Channel - 1,
Value = change.Patch,
};
break;
case MidiCommandCode.MetaEvent:
MetaEvent meta = (MetaEvent)trackEvent.Event;
if (meta.MetaEventType == MetaEventType.SetTempo)
{
TempoEvent tempo = (TempoEvent)meta;
midievent = new MPTKEvent()
{
Tick = trackEvent.AbsoluteQuantize,
Command = MPTKCommand.MetaEvent,
Channel = trackEvent.Event.Channel - 1,
Meta = (MPTKMeta)meta.MetaEventType,
Duration = tempo.Tempo,
};
}
break;
}
if (midievent != null)
{
midievents.Add(midievent);
}
}
}
}
catch (System.Exception ex)
{
MidiPlayerGlobal.ErrorDetail(ex);
}
return(midievents);
}
/// <summary>
/// Add a TrackMidiEvent to a list of MPTKEvent.
/// </summary>
/// <param name="mptkEvents">Must be alloc before the call</param>
/// <param name="trackEvent"></param>
/// <returns></returns>
private bool ConvertToEventForNote(List <MPTKEvent> mptkEvents, TrackMidiEvent trackEvent)
{
bool exitLoop = false;
MPTKEvent midievent = null;
switch (trackEvent.Event.CommandCode)
{
case MidiCommandCode.NoteOn:
if (((NoteOnEvent)trackEvent.Event).OffEvent != null)
{
NoteOnEvent noteon = (NoteOnEvent)trackEvent.Event;
//Debug.Log(string.Format("Track:{0} NoteNumber:{1,3:000} AbsoluteTime:{2,6:000000} NoteLength:{3,6:000000} OffDeltaTime:{4,6:000000} ", track, noteon.NoteNumber, noteon.AbsoluteTime, noteon.NoteLength, noteon.OffEvent.DeltaTime));
if (noteon.NoteLength > 0)
{
midievent = new MPTKEvent()
{
Tick = trackEvent.AbsoluteQuantize,
Command = MPTKCommand.NoteOn,
Value = noteon.NoteNumber,
Channel = trackEvent.Event.Channel - 1,
Velocity = noteon.Velocity,
Duration = noteon.NoteLength * TickLengthMs,
Length = noteon.NoteLength,
};
//mptkEvents.Add(midievent);
// show playing note
//Debug.Log(midievent.Channel);
if (midievent.Channel == selectedChannel)
{
Kbd_PKeyGen.instance.ShowMidiNoteOn(noteon.NoteNumber);
}
if (LogEvents)
{
string notename = (midievent.Channel != 9) ?
String.Format("{0}{1}", NoteNames[midievent.Value % 12], midievent.Value / 12) : "Drum";
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("NoteOn {0,3:000}\t{1,-4}\tLenght:{2,5}\t{3}\tVeloc:{4,3}",
midievent.Value, notename, noteon.NoteLength, NoteLength(midievent), noteon.Velocity));
}
}
else if (KeepNoteOff)
{
midievent = CreateNoteOffForNote(mptkEvents, trackEvent);
}
}
break;
case MidiCommandCode.NoteOff:
midievent = CreateNoteOffForNote(mptkEvents, trackEvent);
break;
case MidiCommandCode.ControlChange:
ControlChangeEvent controlchange = (ControlChangeEvent)trackEvent.Event;
midievent = new MPTKEvent()
{
Tick = trackEvent.AbsoluteQuantize,
Command = MPTKCommand.ControlChange,
Channel = trackEvent.Event.Channel - 1,
Controller = (MPTKController)controlchange.Controller,
Value = controlchange.ControllerValue,
};
mptkEvents.Add(midievent);
// Other midi event
if (LogEvents)
{
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Control {0} {1}", controlchange.Controller, controlchange.ControllerValue));
}
break;
case MidiCommandCode.PatchChange:
PatchChangeEvent change = (PatchChangeEvent)trackEvent.Event;
midievent = new MPTKEvent()
{
Tick = trackEvent.AbsoluteQuantize,
Command = MPTKCommand.PatchChange,
Channel = trackEvent.Event.Channel - 1,
Value = change.Patch,
};
mptkEvents.Add(midievent);
if (LogEvents)
{
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Patch {0,3:000} {1}", change.Patch, PatchChangeEvent.GetPatchName(change.Patch)));
}
break;
case MidiCommandCode.MetaEvent:
MetaEvent meta = (MetaEvent)trackEvent.Event;
midievent = new MPTKEvent()
{
Tick = trackEvent.AbsoluteQuantize,
Command = MPTKCommand.MetaEvent,
Channel = trackEvent.Event.Channel - 1,
Meta = (MPTKMeta)meta.MetaEventType,
};
switch (meta.MetaEventType)
{
case MetaEventType.TimeSignature:
AnalyzeTimeSignature(meta);
break;
case MetaEventType.SetTempo:
TempoEvent tempo = (TempoEvent)meta;
// Tempo change will be done in MidiFilePlayer
midievent.Duration = tempo.Tempo;
MPTK_MicrosecondsPerQuarterNote = tempo.MicrosecondsPerQuarterNote;
// Force exit loop
exitLoop = true;
break;
case MetaEventType.SequenceTrackName:
midievent.Info = ((TextEvent)meta).Text;
if (!string.IsNullOrEmpty(SequenceTrackName))
{
SequenceTrackName += "\n";
}
SequenceTrackName += string.Format("T{0,2:00} {1}", trackEvent.IndexTrack, midievent.Info);
//if (LogEvents) Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Sequence '{0}'", note.Info));
break;
case MetaEventType.ProgramName:
midievent.Info = ((TextEvent)meta).Text;
ProgramName += midievent.Info + " ";
//if (LogEvents) Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Program '{0}'", note.Info));
break;
case MetaEventType.TrackInstrumentName:
midievent.Info = ((TextEvent)meta).Text;
if (!string.IsNullOrEmpty(TrackInstrumentName))
{
TrackInstrumentName += "\n";
}
TrackInstrumentName += string.Format("T{0,2:00} {1}", trackEvent.IndexTrack, midievent.Info);
//if (LogEvents) Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Text '{0}'", ((TextEvent)meta).Text));
break;
case MetaEventType.TextEvent:
midievent.Info = ((TextEvent)meta).Text;
TextEvent += midievent.Info + " ";
//if (LogEvents) Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Sequence '{0}'", ((TextEvent)meta).Text));
break;
case MetaEventType.Copyright:
midievent.Info = ((TextEvent)meta).Text;
Copyright += midievent.Info + " ";
//if (LogEvents) Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Copyright '{0}'", ((TextEvent)meta).Text));
break;
case MetaEventType.Lyric: // lyric
midievent.Info = ((TextEvent)meta).Text;
break;
case MetaEventType.Marker: // marker
case MetaEventType.CuePoint: // cue point
case MetaEventType.DeviceName:
break;
}
if (LogEvents && !string.IsNullOrEmpty(midievent.Info))
{
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Meta {0,15} '{1}'", midievent.Meta, midievent.Info));
}
mptkEvents.Add(midievent);
//Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Meta {0} {1}", meta.MetaEventType, meta.ToString()));
break;
default:
// Other midi event
if (LogEvents)
{
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Other {0,15} Not handle by MPTK", trackEvent.Event.CommandCode));
}
break;
}
return(exitLoop);
}
/// <summary>
/// Read a list of midi event available for the current time
/// </summary>
/// <param name="timeFromStartMS"></param>
/// <returns></returns>
public List <MPTKEvent> ReadMidiEventsForNote(double timeFromStartMS)
{
List <MPTKEvent> midievents = null;
try
{
EndMidiEvent = false;
if (midifile != null)
{
if (NextPosEvent < MidiSortedForNote.Count)
{
// The BPM measures how many quarter notes happen in a minute. To work out the length of each pulse we can use the following formula:
// Pulse Length = 60 / (BPM * PPQN)
// Calculate current pulse to play
CurrentTick += Convert.ToInt64((timeFromStartMS - LastTimeFromStartMS) / TickLengthMs);
LastTimeFromStartMS = timeFromStartMS;
// From the last position played
for (int currentPosEvent = NextPosEvent; currentPosEvent < MidiSortedForNote.Count; currentPosEvent++)
{
TrackMidiEvent trackEvent = MidiSortedForNote[currentPosEvent];
if (Quantization != 0)
{
trackEvent.AbsoluteQuantize = ((trackEvent.Event.AbsoluteTime + Quantization / 2) / Quantization) * Quantization;
}
else
{
trackEvent.AbsoluteQuantize = trackEvent.Event.AbsoluteTime;
}
//Debug.Log("ReadMidiEvents - timeFromStartMS:" + Convert.ToInt32(timeFromStartMS) + " LastTimeFromStartMS:" + Convert.ToInt32(LastTimeFromStartMS) + " CurrentPulse:" + CurrentPulse + " AbsoluteQuantize:" + trackEvent.AbsoluteQuantize);
//Kbd_PKeyGen.instance.ShowMidiNoteOn(trackEvent.Event.AbsoluteTime);
// Kbd_PKeyGen.instance.ShowMidiNoteOn(62);
if (trackEvent.AbsoluteQuantize <= CurrentTick)
{
NextPosEvent = currentPosEvent + 1;
if (midievents == null)
{
midievents = new List <MPTKEvent>();
}
if (ConvertToEventForNote(midievents, trackEvent))
{
break;
}
;
}
else
{
// Out of time, exit for loop
break;
}
}
}
else
{
// End of midi events
EndMidiEvent = true;
}
}
}
catch (System.Exception ex)
{
MidiPlayerGlobal.ErrorDetail(ex);
}
if (midievents != null && midievents.Count > 0)
{
MPTK_TickCurrent = midievents.Last().Tick;
}
return(midievents);
}
/// <summary>
/// Add a TrackMidiEvent to a list of MPTKEvent.
/// </summary>
/// <param name="mptkEvents">Must be alloc before the call</param>
/// <param name="trackEvent"></param>
/// <returns></returns>
private void ConvertToEvent(List <MPTKEvent> mptkEvents, TrackMidiEvent trackEvent)
{
MPTKEvent midievent = null;
switch (trackEvent.Event.CommandCode)
{
case MidiCommandCode.NoteOn:
//if (((NoteOnEvent)trackEvent.Event).OffEvent != null)
{
NoteOnEvent noteon = (NoteOnEvent)trackEvent.Event;
//Debug.Log(string.Format("Track:{0} NoteNumber:{1,3:000} AbsoluteTime:{2,6:000000} NoteLength:{3,6:000000} OffDeltaTime:{4,6:000000} ", track, noteon.NoteNumber, noteon.AbsoluteTime, noteon.NoteLength, noteon.OffEvent.DeltaTime));
if (noteon.OffEvent != null)
{
midievent = new MPTKEvent()
{
Track = trackEvent.IndexTrack,
Tick = trackEvent.AbsoluteQuantize,
Command = MPTKCommand.NoteOn,
Value = noteon.NoteNumber,
Channel = trackEvent.Event.Channel - 1,
Velocity = noteon.Velocity,
Duration = Convert.ToInt64(noteon.NoteLength * MPTK_PulseLenght),
Length = noteon.NoteLength,
};
mptkEvents.Add(midievent);
if (LogEvents && seek_ticks < 0)
{
string notename = (midievent.Channel != 9) ?
String.Format("{0}{1}", NoteNames[midievent.Value % 12], midievent.Value / 12) : "Drum";
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("NoteOn {0,3:000}\t{1,-4}\tLenght:{2,5}\t{3}\tVeloc:{4,3}",
midievent.Value, notename, noteon.NoteLength, NoteLength(midievent), noteon.Velocity));
}
}
else // It's a noteoff
{
if (KeepNoteOff)
{
midievent = new MPTKEvent()
{
Track = trackEvent.IndexTrack,
Tick = trackEvent.AbsoluteQuantize,
Command = MPTKCommand.NoteOff,
Value = noteon.NoteNumber,
Channel = trackEvent.Event.Channel - 1,
Velocity = noteon.Velocity,
Duration = Convert.ToInt64(noteon.NoteLength * MPTK_PulseLenght),
Length = noteon.NoteLength,
};
mptkEvents.Add(midievent);
if (LogEvents && seek_ticks < 0)
{
string notename = (midievent.Channel != 9) ?
String.Format("{0}{1}", NoteNames[midievent.Value % 12], midievent.Value / 12) : "Drum";
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("NoteOff {0,3:000}\t{1,-4}\tLenght:{2}", midievent.Value, notename, " Note Off"));
}
}
}
}
break;
case MidiCommandCode.NoteOff:
if (KeepNoteOff)
{
NoteEvent noteoff = (NoteEvent)trackEvent.Event;
//Debug.Log(string.Format("Track:{0} NoteNumber:{1,3:000} AbsoluteTime:{2,6:000000} NoteLength:{3,6:000000} OffDeltaTime:{4,6:000000} ", track, noteon.NoteNumber, noteon.AbsoluteTime, noteon.NoteLength, noteon.OffEvent.DeltaTime));
midievent = new MPTKEvent()
{
Track = trackEvent.IndexTrack,
Tick = trackEvent.AbsoluteQuantize,
Command = MPTKCommand.NoteOff,
Value = noteoff.NoteNumber,
Channel = trackEvent.Event.Channel - 1,
Velocity = noteoff.Velocity,
Duration = 0,
Length = 0,
};
mptkEvents.Add(midievent);
if (LogEvents && seek_ticks < 0)
{
string notename = (midievent.Channel != 9) ?
String.Format("{0}{1}", NoteNames[midievent.Value % 12], midievent.Value / 12) : "Drum";
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("NoteOff {0,3:000}\t{1,-4}\tLenght:{2}", midievent.Value, notename, " Note Off"));
}
}
break;
case MidiCommandCode.PitchWheelChange:
PitchWheelChangeEvent pitch = (PitchWheelChangeEvent)trackEvent.Event;
midievent = new MPTKEvent()
{
Track = trackEvent.IndexTrack,
Tick = trackEvent.AbsoluteQuantize,
Command = MPTKCommand.PitchWheelChange,
Channel = trackEvent.Event.Channel - 1,
Value = pitch.Pitch, // Pitch Wheel Value 0 is minimum, 0x2000 (8192) is default, 0x3FFF (16383) is maximum
};
mptkEvents.Add(midievent);
if (LogEvents && seek_ticks < 0)
{
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("PitchWheelChange {0}", pitch.Pitch));
}
break;
case MidiCommandCode.ControlChange:
ControlChangeEvent controlchange = (ControlChangeEvent)trackEvent.Event;
midievent = new MPTKEvent()
{
Track = trackEvent.IndexTrack,
Tick = trackEvent.AbsoluteQuantize,
Command = MPTKCommand.ControlChange,
Channel = trackEvent.Event.Channel - 1,
Controller = (MPTKController)controlchange.Controller,
Value = controlchange.ControllerValue,
};
//if ((MPTKController)controlchange.Controller != MPTKController.Sustain)
mptkEvents.Add(midievent);
// Other midi event
if (LogEvents && seek_ticks < 0)
{
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Control {0} {1}", controlchange.Controller, controlchange.ControllerValue));
}
break;
case MidiCommandCode.PatchChange:
PatchChangeEvent change = (PatchChangeEvent)trackEvent.Event;
midievent = new MPTKEvent()
{
Track = trackEvent.IndexTrack,
Tick = trackEvent.AbsoluteQuantize,
Command = MPTKCommand.PatchChange,
Channel = trackEvent.Event.Channel - 1,
Value = change.Patch,
};
mptkEvents.Add(midievent);
if (LogEvents && seek_ticks < 0)
{
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Patch {0,3:000} {1}", change.Patch, PatchChangeEvent.GetPatchName(change.Patch)));
}
break;
case MidiCommandCode.MetaEvent:
MetaEvent meta = (MetaEvent)trackEvent.Event;
midievent = new MPTKEvent()
{
Track = trackEvent.IndexTrack,
Tick = trackEvent.AbsoluteQuantize,
Command = MPTKCommand.MetaEvent,
Channel = trackEvent.Event.Channel - 1,
Meta = (MPTKMeta)meta.MetaEventType,
};
switch (meta.MetaEventType)
{
case MetaEventType.EndTrack:
midievent.Info = "End Track";
break;
case MetaEventType.TimeSignature:
AnalyzeTimeSignature(meta, trackEvent);
break;
case MetaEventType.SetTempo:
if (EnableChangeTempo)
{
TempoEvent tempo = (TempoEvent)meta;
// Tempo change will be done in MidiFilePlayer
midievent.Duration = (long)tempo.Tempo;
MPTK_MicrosecondsPerQuarterNote = tempo.MicrosecondsPerQuarterNote;
fluid_player_set_midi_tempo(tempo.MicrosecondsPerQuarterNote);
// Force exit loop
if (LogEvents && seek_ticks < 0)
{
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Meta {0,-15} Tempo:{1} MicrosecondsPerQuarterNote:{2}", meta.MetaEventType, tempo.Tempo, tempo.MicrosecondsPerQuarterNote));
}
}
break;
case MetaEventType.SequenceTrackName:
midievent.Info = ((TextEvent)meta).Text;
if (!string.IsNullOrEmpty(SequenceTrackName))
{
SequenceTrackName += "\n";
}
SequenceTrackName += string.Format("T{0,2:00} {1}", trackEvent.IndexTrack, midievent.Info);
break;
case MetaEventType.ProgramName:
midievent.Info = ((TextEvent)meta).Text;
ProgramName += midievent.Info + " ";
break;
case MetaEventType.TrackInstrumentName:
midievent.Info = ((TextEvent)meta).Text;
if (!string.IsNullOrEmpty(TrackInstrumentName))
{
TrackInstrumentName += "\n";
}
TrackInstrumentName += string.Format("T{0,2:00} {1}", trackEvent.IndexTrack, midievent.Info);
break;
case MetaEventType.TextEvent:
midievent.Info = ((TextEvent)meta).Text;
TextEvent += midievent.Info + " ";
break;
case MetaEventType.Copyright:
midievent.Info = ((TextEvent)meta).Text;
Copyright += midievent.Info + " ";
break;
case MetaEventType.Lyric: // lyric
midievent.Info = ((TextEvent)meta).Text;
TextEvent += midievent.Info + " ";
break;
case MetaEventType.Marker: // marker
midievent.Info = ((TextEvent)meta).Text;
TextEvent += midievent.Info + " ";
break;
case MetaEventType.CuePoint: // cue point
case MetaEventType.DeviceName:
break;
}
if (LogEvents && !string.IsNullOrEmpty(midievent.Info) && seek_ticks < 0)
{
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Meta {0,-15} '{1}'", midievent.Meta, midievent.Info));
}
mptkEvents.Add(midievent);
//Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Meta {0} {1}", meta.MetaEventType, meta.ToString()));
break;
default:
// Other midi event
if (LogEvents && seek_ticks < 0)
{
Debug.Log(BuildInfoTrack(trackEvent) + string.Format("Other {0,-15} Not handle by MPTK", trackEvent.Event.CommandCode));
}
break;
}
}
public List <MPTKEvent> fluid_player_callback(int msec)
{
List <MPTKEvent> midievents = null;
try
{
if (midifile != null && next_event >= 0)
{
cur_msec = msec;
cur_ticks = start_ticks + (int)(((double)(cur_msec - start_msec) / MPTK_PulseLenght) + 0.5d);
//Debug.Log("fluid_player_callback: cur_ticks:" + cur_ticks + " msec:" + cur_msec + " start_msec:" + start_msec + " start_ticks:" + start_ticks + " MPTK_PulseLenght:" + MPTK_PulseLenght + " seek_ticks:" + seek_ticks);
//if (seek_ticks >= 0)
//{
// fluid_synth_all_sounds_off(synth, -1); /* avoid hanging notes */
//}
//----- midievents = fluid_send_events(midievents, cur_ticks);
int ticks = cur_ticks;
if (seek_ticks >= 0)
{
ticks = seek_ticks; /* update target ticks */
if (MPTK_TickCurrent > ticks)
{
// reset track if seeking backwards
next_event = 0;
}
}
// From the last position played
while (true)
{
if (next_event >= MPTK_MidiEvents.Count)
{
next_event = -1;
break;
}
TrackMidiEvent trackEvent = MPTK_MidiEvents[next_event];
trackEvent.AbsoluteQuantize = Quantization != 0 ?
((trackEvent.Event.AbsoluteTime + Quantization / 2) / Quantization) * Quantization :
trackEvent.AbsoluteQuantize = trackEvent.Event.AbsoluteTime;
//Debug.Log(" fluid_track_send_events: Next:" + Next + " Ticks:" + Ticks + " ticks:" + ticks + " EventDeltaTime:" + trackEvent.Event.DeltaTime);
if (trackEvent.AbsoluteQuantize > ticks)
{
break;
}
//Debug.Log(" fluid_track_send_events: process this event " + trackEvent.Event.CommandCode + " at track.ticks:" + track.ticks);
//Debug.Log(" fluid_track_send_events: new at track.ticks:" + track.ticks);
if (seek_ticks >= 0 &&
(trackEvent.Event.CommandCode == MidiCommandCode.NoteOn ||
trackEvent.Event.CommandCode == MidiCommandCode.NoteOff ||
(trackEvent.Event.CommandCode == MidiCommandCode.MetaEvent && ((MetaEvent)trackEvent.Event).MetaEventType != MetaEventType.SetTempo)))
{
/* skip on/off messages */
//Debug.Log(BuildInfoTrack(trackEvent) + string.Format(" Skip {0} seek_ticks:{1}", trackEvent.Event.CommandCode, seek_ticks));
}
else
{
// send event to synth fluid_player_callback(evt);
if (midievents == null)
{
midievents = new List <MPTKEvent>();
}
ConvertToEvent(midievents, trackEvent);
//Debug.Log(BuildInfoTrack(trackEvent) + string.Format(" Add {0} seek_ticks:{1}", trackEvent.Event.CommandCode, seek_ticks));
MPTK_TickCurrent = trackEvent.Event.AbsoluteTime;
}
next_event++;
}
//------ end fluid_send_events
if (seek_ticks >= 0)
{
//Debug.Log("fluid_player_callback Seek Ticks : cur_ticks:" + cur_ticks + " seek_ticks:" + seek_ticks);
start_ticks = seek_ticks; /* tick position of last tempo value (which is now) */ /* the number of tempo ticks passed at the last tempo change */
cur_ticks = seek_ticks; /* the number of tempo ticks passed */
//begin_msec = msec; /* only used to calculate the duration of playing */
start_msec = msec; /* should be the (synth)-time of the last tempo change */
seek_ticks = -1; /* clear seek_ticks */
}
if (next_event < 0)
{
EndMidiEvent = true;
}
}
}
catch (System.Exception ex)
{
MidiPlayerGlobal.ErrorDetail(ex);
}
return(midievents);
}
private List <TrackMidiEvent> GetMidiEvents()
{
//Debug.Log("GetEvents");
try
{
MPTK_TickLast = -1;
int countTracks = 0;
List <TrackMidiEvent> events = new List <TrackMidiEvent>();
foreach (IList <MidiEvent> track in midifile.Events)
{
countTracks++;
foreach (MidiEvent e in track)
{
try
{
//bool keepEvent = false;
if (e.AbsoluteTime > MPTK_TickLast)
{
MPTK_TickLast = e.AbsoluteTime;
}
switch (e.CommandCode)
{
case MidiCommandCode.NoteOn:
//Debug.Log("NoteOn "+ KeepNoteOff);
if (e.AbsoluteTime < MPTK_TickFirstNote || MPTK_TickFirstNote == -1)
{
//Debug.Log("NoteOn MPTK_TickFirstNote" + e.AbsoluteTime);
MPTK_TickFirstNote = e.AbsoluteTime;
}
//keepEvent = true;
break;
//case MidiCommandCode.NoteOff:
// //Debug.Log("NoteOff "+ KeepNoteOff);
// //keepEvent = true;
// break;
//case MidiCommandCode.ControlChange:
// //ControlChangeEvent ctrl = (ControlChangeEvent)e;
// //Debug.Log("NoteOff");
// keepEvent = true;
// break;
//case MidiCommandCode.PatchChange:
// keepEvent = true;
// break;
case MidiCommandCode.MetaEvent:
MetaEvent meta = (MetaEvent)e;
switch (meta.MetaEventType)
{
case MetaEventType.SetTempo:
TempoEvent tempo = (TempoEvent)meta;
// Calculate the real duration
if (EnableChangeTempo)
{
MPTK_DurationMS += ((e.AbsoluteTime - timeLastSegment) * (float)MPTK_PulseLenght);
timeLastSegment = e.AbsoluteTime;
}
fluid_player_set_midi_tempo(tempo.MicrosecondsPerQuarterNote);
// Set the first tempo value find
if (MPTK_InitialTempo < 0)
{
MPTK_InitialTempo = tempo.Tempo;
}
if (MPTK_MicrosecondsPerQuarterNote == 0)
{
MPTK_MicrosecondsPerQuarterNote = tempo.MicrosecondsPerQuarterNote;
}
//Debug.Log("Partial at: " + timeLastSegment + " " + MPTK_RealDuration + " " + Math.Round(TickLengthMs, 2) + " " + Math.Round(QuarterPerMinuteValue, 2));
//Debug.Log("Tempo: " + ((TempoEvent)e).Tempo + " MPTK_InitialTempo:" + MPTK_InitialTempo);
break;
case MetaEventType.TimeSignature:
AnalyzeTimeSignature(meta);
break;
}
//keepEvent = true;
break;
}
//if (keepEvent)
//{
TrackMidiEvent tmidi = new TrackMidiEvent()
{
IndexTrack = countTracks,
Event = e//.Clone()
};
events.Add(tmidi);
//}
}
catch (System.Exception ex)
{
MidiPlayerGlobal.ErrorDetail(ex);
return(null);
}
}
}
//DebugMidiSorted(events);
MPTK_TrackCount = countTracks;
List <TrackMidiEvent> midievents = events.OrderBy(o => o.Event.AbsoluteTime).ToList();
if (midievents.Count > 0)
{
long lastAbsoluteTime = midievents[midievents.Count - 1].Event.AbsoluteTime;
MPTK_TickLast = lastAbsoluteTime;
//Debug.Log("End at: " + lastAbsoluteTime + " " + MPTK_RealDuration + " " + Math.Round(TickLengthMs, 2) + " " + Math.Round(QuarterPerMinuteValue, 2));
}
else
{
MPTK_TickLast = 0;
}
if (MPTK_TickLast > 0 && EnableChangeTempo)
{
// Calculate the real duration, cumul all segments with tempo change
MPTK_DurationMS += ((MPTK_TickLast - timeLastSegment) * (float)MPTK_PulseLenght);
}
return(midievents);
}
catch (System.Exception ex)
{
MidiPlayerGlobal.ErrorDetail(ex);
}
return(null);
}
