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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
// midifile reader interface for serpent
// a sequence of Events objects
class Tracks {
private:
long max;
void expand();
public:
long len;
Events_ptr *tracks; // tracks is array of pointers
Events_ptr &operator[](int i) {
assert(i >= 0 && i < len);
return tracks[i];
}
Tracks() {
max = len = 0;
tracks = NULL;
}
void append(Events_ptr track);
void reset();
};
typedef class Pending {
public:
Allegro_note_ptr note;
class Pending *next;
Pending(Allegro_note_ptr n, class Pending *list) { note = n; next = list; }
} *Pending_ptr;
class Allegro_midifile_reader: public Midifile_reader {
public:
FILE *file;
Seq_ptr seq;
int divisions;
Pending_ptr pending;
Tracks tracks;
Events_ptr track;
int track_num;
Allegro_midifile_reader() { file = NULL; pending = NULL; }
// delete destroys the seq member as well, so set it to NULL if you
// copied the pointer elsewhere
virtual ~Allegro_midifile_reader();
// the following is used to load the Seq from the file:
void initialize(FILE *file);
void set_nomerge(bool flag) { Mf_nomerge = flag; }
void set_skipinit(bool flag) { Mf_skipinit = flag; }
long get_currtime() { return Mf_currtime; }
protected:
void merge_tracks();
double get_time();
void update(int chan, int key, Parameter_ptr param);
void *Mf_malloc(size_t size) { return malloc(size); }
void Mf_free(void *obj, size_t size) { free(obj); }
/* Methods to be called while processing the MIDI file. */
void Mf_starttrack();
void Mf_endtrack();
int Mf_getc();
void Mf_eot();
void Mf_error(char *);
void Mf_header(int,int,int);
void Mf_on(int,int,int);
void Mf_off(int,int,int);
void Mf_pressure(int,int,int);
void Mf_controller(int,int,int);
void Mf_pitchbend(int,int,int);
void Mf_program(int,int);
void Mf_chanpressure(int,int);
void Mf_sysex(int,char*);
void Mf_arbitrary(int,char*);
void Mf_metamisc(int,int,char*);
void Mf_seqnum(int);
void Mf_smpte(int,int,int,int,int);
void Mf_timesig(int,int,int,int);
void Mf_tempo(int);
void Mf_keysig(int,int);
void Mf_sqspecific(int,char*);
void Mf_text(int,int,char*);
};
|
