static public IEnumerable <int> GetTrackIndex(IMidiParser parser)
{
for (int i = 0; i < parser.FileHandle.NumberOfTracks; i++)
{
yield return(i);
}
}
// static public IEnumerable<KeyValuePair<int,VstPlugin>> GetInstrumentMapping(IMidiParserUI ui)
// {
// foreach (VstPlugin plugin in GetInstruments(ui))
// for (int i=0; i<plugin.PluginCommandStub.GetNumberOfMidiInputChannels(); i++)
// yield return new KeyValuePair<int,VstPlugin>(i,plugin);
// }
static IEnumerable <int> EnumerateTrackIndex(this IMidiParser parser)
{
for (int i = 0; i < parser.SmfFileHandle.NumberOfTracks; i++)
{
yield return(i);
}
}
public void FromMidi(IMidiParser parser)
{
this.TimeSignature = parser.TimeSignature;
this.KeySignature = parser.KeySignature;
this.Division = parser.SmfFileHandle.Division;
this.Tempo = parser.MidiTimeInfo.Tempo;
}
int FindOld(IMidiParser parser)
{
return parser.MidiDataList[track].FindIndex(
m =>
m.DeltaTime == oldDelta &&
m.Message == oldMessage &&
m.Data==oldData
);
}
int FindNew(IMidiParser parser)
{
return parser.MidiDataList[track].FindIndex(
m =>
m.DeltaTime == newDelta &&
m.Message == newMessage &&
m.Data==newData
);
}
int FindNew(IMidiParser parser)
{
return(parser.MidiDataList[track].FindIndex(
m =>
m.DeltaTime == newDelta &&
m.Message == newMessage &&
m.Data == newData
));
}
public void Revert(IMidiParser parser)
{
int msgindex = FindNew(parser);
if (msgindex != -1)
{
SetOldData(parser, msgindex);
}
}
public void Modify(IMidiParser parser)
{
int msgindex = FindOld(parser);
if (msgindex != -1)
{
SetNewData(parser, msgindex);
}
}
int FindOld(IMidiParser parser)
{
return(parser.MidiDataList[track].FindIndex(
m =>
m.DeltaTime == oldDelta &&
m.Message == oldMessage &&
m.Data == oldData
));
}
public void Modify(MidiMessage input, IMidiParser parser, ulong delta, int msg, params byte[] data)
{
this.track = track;
this.oldDelta = input.DeltaTime;
this.oldMessage = input.Message;
this.oldData = input.Data;
//
this.newDelta = delta;
this.newMessage = msg;
this.newData = data;
}
public void Modify(MidiMessage input, IMidiParser parser, ulong delta, int msg, params byte[] data)
{
this.track = track;
this.oldDelta = input.DeltaTime;
this.oldMessage = input.Message;
this.oldData = input.Data;
//
this.newDelta = delta;
this.newMessage = msg;
this.newData = data;
}
public void Revert(IMidiParser parser)
{
int msgindex = FindNew(parser);
if (msgindex!=-1) SetOldData(parser,msgindex);
}
public void Modify(IMidiParser parser)
{
int msgindex = FindOld(parser);
if (msgindex!=-1) SetNewData(parser,msgindex);
}
public void FromMidi(IMidiParser parser)
{
this.TimeSignature = parser.TimeSignature;
this.KeySignature = parser.KeySignature;
this.Division = parser.SmfFileHandle.Division;
this.Tempo = parser.MidiTimeInfo.Tempo;
}
void SetOldData(IMidiParser parser, int index)
{
parser.MidiDataList[track][index].DeltaTime = oldDelta;
parser.MidiDataList[track][index].Message = oldMessage;
parser.MidiDataList[track][index].Data = oldData;
}
void SetNewData(IMidiParser parser, int index)
{
parser.MidiDataList[track][index].DeltaTime = newDelta;
parser.MidiDataList[track][index].Message = newMessage;
parser.MidiDataList[track][index].Data = newData;
}
void SetNewData(IMidiParser parser, int index)
{
parser.MidiDataList[track][index].DeltaTime = newDelta;
parser.MidiDataList[track][index].Message = newMessage;
parser.MidiDataList[track][index].Data = newData;
}
void SetOldData(IMidiParser parser, int index)
{
parser.MidiDataList[track][index].DeltaTime = oldDelta;
parser.MidiDataList[track][index].Message = oldMessage;
parser.MidiDataList[track][index].Data = oldData;
}
static public IEnumerable <KeyValuePair <int, string> > GetMidiTrackNameDictionary(this IMidiParser parser)
{
foreach (int i in parser.EnumerateTrackIndex())
{
string trackname = string.Format(Strings.Filter_MidiTrack, i + 1);
yield return(new KeyValuePair <int, string>(i, trackname));
}
}
static public IEnumerable <KeyValuePair <int, string> > GetMidiTrackNamesByIndex(IMidiParser parser)
{
foreach (int i in GetTrackIndex(parser))
{
string trackname = string.Format(Strings.Filter_MidiTrack, i + 1);
yield return(new KeyValuePair <int, string>(i, trackname));
}
}
public TrackLoader(IMidiParser parser)
: base()
{
this.parser = parser;
this.parser.TrackLoadProgressChanged += delegate (object o,ProgressChangedEventArgs e) {
// we should use a cancelation pending type of thing somewhere?
OnProgressChanged(e);
};
}
static public IEnumerable <MidiMessage> MidiTrackDistinctChannels(this IMidiParser parser, int trackid)
{
return(parser.MidiDataList[trackid].Distinct(ChannelComparer));
}
public MidiController(IWebHostEnvironment environment)
{
this.midiParser = new MidiParser();
hostingEnvironment = environment;
}
