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changenote.cpp
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changenote.cpp
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#include "changenote.h"
#include <QString>
#include "MidiFile.h"
#include <iostream>
#include <string>
ChangeNote::ChangeNote(QString filename, int selectedNote, int change, int selectedTrack,
int lowRange,int highRange, int sigA, int sigB)
{
cout << "Changing note " << selectedNote << " to " <<
change << endl;
string file = filename.toStdString().c_str();
MidiFile midifile;
midifile.read(file);
cout << midifile.status() << endl;
int tracks = midifile.getTrackCount();
int tpq = midifile.getTicksPerQuarterNote();
lowRange = tpq*lowRange*sigA;
highRange = tpq*highRange*sigA + (tpq*sigA);
cout << "Tracks: " << tracks << endl;
cout << "TPQ: " << tpq << endl;
int track = selectedTrack;
for (int event=0; event < midifile[track].size(); event++) {
cout << "low " << lowRange << endl;
cout << "Real " << midifile[track][event].tick << endl;
cout << "high " << highRange << endl;
if (midifile[track][event].tick >= lowRange && midifile[track][event].tick < highRange){
if (midifile[track][event][1] == selectedNote){
midifile[track][event][1] = change;
}
}
}
midifile.write("output.mid");
}