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MuseScore/libmscore/event.cpp

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Initial commit
2012-05-26 14:26:10 +02:00
//=============================================================================
// MuseScore
// Music Composition & Notation
// $Id: event.cpp 4926 2011-10-29 18:13:35Z wschweer $
//
// Copyright (C) 2008-2011 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
// #include "midifile.h"
#include "xml.h"
#include "score.h"
#include "part.h"
#include "event.h"
#include "event_p.h"
//---------------------------------------------------------
// Event::Event
//---------------------------------------------------------
EventData::EventData()
{
_type = 0;
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_ontime = -1;
Initial commit
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_noquantOntime = 0;
_noquantDuration = 0;
_channel = 0;
_a = 0;
_b = 0;
_duration = 0;
_tpc = 0;
_voice = 0;
_data = 0;
_len = 0;
_metaType = 0;
_note = 0;
_tuning = 0.0;
}
EventData::EventData(int t)
{
_type = t;
implement cascading instrument definitions
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_ontime = -1;
Initial commit
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_noquantOntime = 0;
_noquantDuration = 0;
_channel = 0;
_a = 0;
_b = 0;
_duration = 0;
_tpc = 0;
_voice = 0;
_data = 0;
_len = 0;
_metaType = 0;
_note = 0;
_tuning = 0.0;
}
EventData::EventData(const EventData& e)
: QSharedData(e)
{
_type = e._type;
_ontime = e._ontime;
_noquantOntime = e._noquantOntime;
_noquantDuration = e._noquantDuration;
_channel = e._channel;
_a = e._a;
_b = e._b;
_duration = e._duration;
_tpc = e._tpc;
_voice = e._voice;
_notes = e._notes;
if (e._data) {
_data = new unsigned char[e._len + 1]; // dont forget trailing zero
memcpy(_data, e._data, e._len+1);
}
else
_data = 0;
_len = e._len;
_metaType = e._metaType;
_note = e._note;
_tuning = e._tuning;
}
EventData::~EventData()
{
delete[] _data;
}
//---------------------------------------------------------
// dump
//---------------------------------------------------------
void EventData::dump() const
{
printf("event ");
switch (_type) {
case ME_NOTEON: printf("noteon "); break;
case ME_CONTROLLER: printf("controller"); break;
case ME_PROGRAM: printf("program "); break;
default: printf("0x%02x ", _type); break;
}
printf(" 0x%02x 0x%02x\n", _a, _b);
}
//---------------------------------------------------------
// isChannelEvent
//---------------------------------------------------------
bool EventData::isChannelEvent() const
{
switch(_type) {
case ME_NOTEOFF:
case ME_NOTEON:
case ME_POLYAFTER:
case ME_CONTROLLER:
case ME_PROGRAM:
case ME_AFTERTOUCH:
case ME_PITCHBEND:
case ME_NOTE:
case ME_CHORD:
return true;
default:
return false;
}
return false;
}
//---------------------------------------------------------
// EventData::write
//---------------------------------------------------------
void EventData::write(Xml& xml) const
{
switch(_type) {
case ME_NOTE:
xml.tagE(QString("note tick=\"%1\" channel=\"%2\" len=\"%3\" pitch=\"%4\" velo=\"%5\"")
.arg(_ontime).arg(_channel).arg(_duration).arg(pitch()).arg(velo()));
break;
case ME_NOTEON:
xml.tagE(QString("note-on tick=\"%1\" channel=\"%2\" pitch=\"%3\" velo=\"%4\"")
.arg(_ontime).arg(_channel).arg(pitch()).arg(velo()));
break;
case ME_NOTEOFF:
xml.tagE(QString("note-off tick=\"%1\" channel=\"%2\" pitch=\"%3\" velo=\"%4\"")
.arg(_ontime).arg(_channel).arg(pitch()).arg(velo()));
break;
case ME_CONTROLLER:
if (controller() == CTRL_PROGRAM) {
if ((_ontime == -1) && (_channel == 0)) {
xml.tagE(QString("program value=\"%1\"").arg(value()));
}
else {
xml.tagE(QString("program tick=\"%1\" channel=\"%2\" value=\"%3\"")
.arg(ontime()).arg(channel()).arg(value()));
}
}
else {
if ((ontime() == -1) && (channel() == 0)) {
xml.tagE(QString("controller ctrl=\"%1\" value=\"%2\"")
.arg(controller()).arg(value()));
}
else {
xml.tagE(QString("controller tick=\"%1\" channel=\"%2\" ctrl=\"%3\" value=\"%4\"")
.arg(ontime()).arg(channel()).arg(controller()).arg(value()));
}
}
break;
case ME_SYSEX:
xml.stag(QString("sysex tick=\"%1\" len=\"%2\"").arg(ontime()).arg(_len));
xml.dump(_len, _data);
xml.etag();
break;
case ME_META:
switch(metaType()) {
case META_TRACK_NAME:
xml.tag(QString("TrackName tick=\"%1\"").arg(ontime()), QString((char*)(data())));
break;
case META_LYRIC:
xml.tag(QString("Lyric tick=\"%1\"").arg(ontime()), QString((char*)(data())));
break;
case META_KEY_SIGNATURE:
{
const char* keyTable[] = {
"Ces", "Ges", "Des", "As", "Es", "Bes", "F",
"C",
"G", "D", "A", "E", "B", "Fis", "Cis"
};
int key = (char)(_data[0]) + 7;
if (key < 0 || key > 14) {
qDebug("bad key signature %d\n", key);
key = 0;
}
QString sex(_data[1] ? "Minor" : "Major");
QString keyName(keyTable[key]);
xml.tag(QString("Key tick=\"%1\" key=\"%2\" sex=\"%3\"").arg(ontime()).arg(_data[0]).arg(_data[1]),
QString("%1 %2").arg(keyName).arg(sex));
}
break;
case META_TIME_SIGNATURE:
xml.tagE(QString("TimeSig tick=\"%1\" num=\"%2\" denom=\"%3\" metro=\"%4\" quarter=\"%5\"")
.arg(ontime())
.arg(int(_data[0]))
.arg(int(_data[1]))
.arg(int(_data[2]))
.arg(int(_data[3])));
break;
case META_TEMPO:
{
unsigned tempo = _data[2] + (_data[1] << 8) + (_data[0] << 16);
xml.tagE(QString("Tempo tick=\"%1\" value=\"%2\"").arg(ontime()).arg(tempo));
}
break;
default:
xml.stag(QString("Meta tick=\"%1\" type=\"%2\" len=\"%3\" name=\"%4\"")
.arg(ontime()).arg(metaType()).arg(_len).arg(midiMetaName(metaType())));
xml.dump(_len, _data);
xml.etag();
break;
}
break;
}
}
bool EventData::operator==(const EventData&) const
{
return false; // TODO
}
//---------------------------------------------------------
// Event
//---------------------------------------------------------
Event::Event()
{
d = new EventData;
}
Event::Event(const Event& s)
: d(s.d)
{
}
Event::Event(int t)
{
d = new EventData(t);
}
Event::~Event()
{
}
Event& Event::operator=(const Event& s)
{
d = s.d;
return *this;
}
void Event::write(Xml& xml) const { d->write(xml); }
bool Event::isChannelEvent() const { return d->isChannelEvent(); }
int Event::noquantOntime() const { return d->_noquantOntime; }
void Event::setNoquantOntime(int v) { d->_noquantOntime = v; }
int Event::noquantDuration() const { return d->_noquantDuration; }
void Event::setNoquantDuration(int v) { d->_noquantDuration = v; }
int Event::type() const { return d->_type; }
void Event::setType(int v) { d->_type = v; }
int Event::ontime() const { return d->_ontime; }
void Event::setOntime(int v) { d->_ontime = v; }
int Event::channel() const { return d->_channel; }
void Event::setChannel(int c) { d->_channel = c; }
int Event::dataA() const { return d->_a; }
int Event::dataB() const { return d->_b; }
void Event::setDataA(int v) { d->_a = v; }
void Event::setDataB(int v) { d->_b = v; }
int Event::pitch() const { return d->_a; }
void Event::setPitch(int v) { d->_a = v; }
int Event::velo() const { return d->_b; }
void Event::setVelo(int v) { d->_b = v; }
int Event::controller() const { return d->_a; }
void Event::setController(int val) { d->_a = val; }
int Event::value() const { return d->_b; }
void Event::setValue(int v) { d->_b = v; }
int Event::duration() const { return d->_duration; }
void Event::setDuration(int v) { d->_duration = v; }
int Event::voice() const { return d->_voice; }
void Event::setVoice(int val) { d->_voice = val; }
int Event::offtime() const { return d->ontime() + d->_duration; }
QList<Event>& Event::notes() { return d->_notes; }
const uchar* Event::data() const { return d->_data; }
void Event::setData(uchar* p) { d->_data = p; }
int Event::len() const { return d->_len; }
void Event::setLen(int l) { d->_len = l; }
int Event::metaType() const { return d->_metaType; }
void Event::setMetaType(int v) { d->_metaType = v; }
int Event::tpc() const { return d->_tpc; }
void Event::setTpc(int v) { d->_tpc = v; }
const Note* Event::note() const { return d->_note; }
void Event::setNote(const Note* v) { d->_note = v; }
qreal Event::tuning() const { return d->_tuning; }
void Event::setTuning(qreal v) { d->_tuning = v; }
bool Event::operator==(const Event& e) const { return d->operator==(*e.d); }
void Event::dump() const { d->dump(); }
//---------------------------------------------------------
// midi_meta_name
//---------------------------------------------------------
QString midiMetaName(int meta)
{
const char* s = "";
switch (meta) {
case 0: s = "Sequence Number"; break;
case 1: s = "Text Event"; break;
case 2: s = "Copyright"; break;
case 3: s = "Sequence/Track Name"; break;
case 4: s = "Instrument Name"; break;
case 5: s = "Lyric"; break;
case 6: s = "Marker"; break;
case 7: s = "Cue Point"; break;
case 8:
case 9:
case 0x0a:
case 0x0b:
case 0x0c:
case 0x0d:
case 0x0e:
case 0x0f: s = "Text"; break;
case 0x20: s = "Channel Prefix"; break;
case 0x21: s = "Port Change"; break;
case 0x2f: s = "End of Track"; break;
case META_TEMPO: s = "Tempo"; break;
case 0x54: s = "SMPTE Offset"; break;
case META_TIME_SIGNATURE: s = "Time Signature"; break;
case META_KEY_SIGNATURE: s = "Key Signature"; break;
case 0x74: s = "Sequencer-Specific1"; break;
case 0x7f: s = "Sequencer-Specific2"; break;
default:
break;
}
return QString(s);
}
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