QS/midiparser.cpp at master · scoreur/QS · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
#include "midiparser.h"
#include "MIDIFile.hpp"
#include <QDebug>
#include <QJsonArray>
#include <QJsonValue>
#include <QJsonDocument>
#include <map>
using namespace std;

MidiParser::MidiParser()
{
}

void MidiParser::test(std::string fileName){
   // MIDI::File mid(fileName.c_str());
    //mid.open();

    fstream tmp;
    tmp.open(fileName.append(".txt"), std::ios::out);
/*
    MIDI::Header* header=mid.header();

//    tmp << "Header" <<'\n';
//    tmp << "\tFormat Type: " << header->formatType() <<'\n';
//    tmp << "\tNumber of Tracks: " << header->numTracks() <<'\n';
    tmp << header->formatType() << ' ' << header->numTracks() << endl;
    if(header->framesPerSecond())
    {
        tmp << "\tFrames Per Second: " << header->framesPerSecond() <<'\n';
        tmp << "\tTicks Per Frame: " << header->ticksPerFrame() <<'\n';
    }
    else
        tmp << "\tTicks Per Beat: " << header->ticksPerBeat() <<'\n';

    QJsonArray cxq;

    for(int i=0;i<mid.numTracks();i++)
    {
        map<int, int>g;
        QJsonArray wyj;
        MIDI::Track* track=mid.track(i);
        tmp << "Track #" << i+1 <<'\n';
        int tim = 0;
        for(int j=0;j<track->numEvents();j++)
        {
            MIDI::ChannelEvent* event = (MIDI::ChannelEvent*)track->event(j);
            tim += event->deltaTime();
            if ((int)event->command() == 8 || (int)event->command() == 9) {
                if ((int)event->command() == 8) {
                    if (g.count((int)event->param1())) {
                        QJsonArray wkn;
                        //wkn.append(g[(int)event->param1()]);
                        wkn.append(tim);
                        wkn.append((int)event->param1());
                        wyj.append(wkn);
                        g.erase((int)event->param1());
                    }
                } else {
                    //g[(int)event->param1()] = tim;
                }
            }
            tmp << (int)tim << ' ' << (int)event->type() << ' ' << (int)event->command() << ' ' << (int)event->param1() << ' ' << (int)event->param2() << endl;
        }
        cxq.append(wyj);
    }
*/
    tmp.close();
}