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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
//=========================================================
// MusE
// Linux Music Editor
// $Id: midievent.cpp,v 1.7.2.2 2009/05/24 21:43:44 terminator356 Exp $
//
// (C) Copyright 2000-2003 Werner Schweer (ws@seh.de)
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; version 2 of
// the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=========================================================
#include "event.h"
#include "midievent.h"
#include "xml.h"
#include "mpevent.h"
#include "midictrl.h"
namespace MusECore {
//---------------------------------------------------------
// MidiEventBase
//---------------------------------------------------------
MidiEventBase::MidiEventBase(EventType t)
: EventBase(t)
{
a = 0;
b = 0;
c = 0;
}
//---------------------------------------------------------
// MidiEventBase::mid
//---------------------------------------------------------
EventBase* MidiEventBase::mid(unsigned b, unsigned e) const
{
if (tick() < b || tick() >= e)
return 0;
return new MidiEventBase(*this);
}
//---------------------------------------------------------
// isNoteOff
//---------------------------------------------------------
bool MidiEventBase::isNoteOff() const
{
return (type() == Note && (velo() == 0));
}
bool MidiEventBase::isNoteOff(const Event& e) const
{
return (e.isNoteOff() && (e.pitch() == a));
}
void MidiEventBase::dump(int n) const
{
EventBase::dump(n);
const char* p;
switch(type()) {
case Note: p = "Note "; break;
case Controller: p = "Ctrl "; break;
case Sysex: p = "Sysex "; break;
case Meta: p = "Meta "; break;
default: p = "?? "; break;
}
for (int i = 0; i < (n+2); ++i)
putchar(' ');
printf("<%s> a:0x%x(%d) b:0x%x(%d) c:0x%x(%d)\n",
p, a, a, b, b, c, c);
}
//---------------------------------------------------------
// MidiEventBase::write
//---------------------------------------------------------
void MidiEventBase::write(int level, Xml& xml, const Pos& offset, bool /*forcePath*/) const
{
xml.nput(level++, "<event tick=\"%d\"", tick() + offset.tick());
switch (type()) {
case Note:
xml.nput(" len=\"%d\"", lenTick());
break;
default:
xml.nput(" type=\"%d\"", type());
break;
}
// Changed by T356. BUG: *.med does not save meta event types - ID: 2879426
if (a)
xml.nput(" a=\"%d\"", a);
if (b)
xml.nput(" b=\"%d\"", b);
if (c)
xml.nput(" c=\"%d\"", c);
if (edata.dataLen) {
xml.nput(" datalen=\"%d\">\n", edata.dataLen);
xml.nput(level, "");
for (int i = 0; i < edata.dataLen; ++i)
xml.nput("%02x ", edata.data[i] & 0xff);
xml.nput("\n");
xml.tag(level, "/event");
}
else {
xml.nput(" />\n");
}
}
//---------------------------------------------------------
// MidiEventBase::read
//---------------------------------------------------------
void MidiEventBase::read(Xml& xml)
{
int ev_type = Note;
a = 0;
b = 0;
c = 0;
int dataLen = 0;
for (;;) {
Xml::Token token = xml.parse();
const QString& tag = xml.s1();
switch (token) {
case Xml::Error:
case Xml::End:
return;
case Xml::TagStart:
xml.unknown("Event");
break;
case Xml::Text:
{
QByteArray ba = tag.toLatin1();
const char*s = ba.constData();
edata.data = new unsigned char[dataLen];
edata.dataLen = dataLen;
unsigned char* d = edata.data;
for (int i = 0; i < dataLen; ++i) {
char* endp;
*d++ = strtol(s, &endp, 16);
s = endp;
}
}
break;
case Xml::Attribut:
if (tag == "tick")
setTick(xml.s2().toInt());
else if (tag == "type")
//setType(EventType(xml.s2().toInt()));
ev_type = xml.s2().toInt();
else if (tag == "len")
setLenTick(xml.s2().toInt());
else if (tag == "a")
a = xml.s2().toInt();
else if (tag == "b")
b = xml.s2().toInt();
else if (tag == "c")
c = xml.s2().toInt();
else if (tag == "datalen")
dataLen = xml.s2().toInt();
break;
case Xml::TagEnd:
if (tag == "event") {
// Convert obsolete PAfter and CAfter events to newer controllers
if(ev_type == 3) // PAfter
{
ev_type = Controller;
a = (a & 0x7f) | (CTRL_POLYAFTER & ~0xff); // Controller number + pitch. B is the value.
}
else
if(ev_type == 4) // CAfter
{
ev_type = Controller;
b = a; // Value
a = CTRL_AFTERTOUCH; // Controller number
}
setType(EventType(ev_type));
// HACK: Repair controllers saved with lo byte 0xff.
// No such control. It was supposed to be 0x00.
// It's an error caused by a previous bug, fixed now.
if((ev_type == Controller) && ((a & 0xff) == 0xff))
a &= ~0xff;
return;
}
default:
break;
}
}
}
} // namespace MusECore
|
