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//=========================================================
// MusE
// Linux Music Editor
// $Id: event.cpp,v 1.8.2.5 2009/12/20 05:00:35 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 <stdio.h>
#include "event.h"
#include "eventbase.h"
#include "waveevent.h"
#include "midievent.h"
namespace MusECore {
//---------------------------------------------------------
// Event
//---------------------------------------------------------
EventBase::EventBase(EventType t)
{
_type = t;
Pos::setType(_type == Wave ? FRAMES : TICKS);
refCount = 0;
_selected = false;
}
EventBase::EventBase(const EventBase& ev)
: PosLen(ev)
{
refCount = 0;
_selected = ev._selected;
_type = ev._type;
}
//---------------------------------------------------------
// move
//---------------------------------------------------------
void EventBase::move(int tickOffset)
{
setTick(tick() + tickOffset);
}
//---------------------------------------------------------
// dump
//---------------------------------------------------------
void EventBase::dump(int n) const
{
for (int i = 0; i < n; ++i)
putchar(' ');
printf("Event %p refs:%d ", this, refCount);
PosLen::dump(n+2);
}
//---------------------------------------------------------
// clone
//---------------------------------------------------------
Event Event::clone() const
{
#ifdef USE_SAMPLERATE
return Event(ev->clone(), _audConv);
#else
return Event(ev->clone());
#endif
}
Event::Event()
{
ev = 0;
}
Event::Event(EventType t) {
if (t == Wave)
ev = new MusECore::WaveEventBase(t);
else
ev = new MusECore::MidiEventBase(t);
++(ev->refCount);
}
Event::Event(const Event& e) {
ev = e.ev;
if(ev)
++(ev->refCount);
#ifdef USE_SAMPLERATE
if(e._audConv)
_audConv = e._audConv->reference();
#endif
}
Event::Event(EventBase* eb) {
ev = eb;
++(ev->refCount);
#ifdef USE_SAMPLERATE
if(!ev->sndFile().isNull())
_audConv = new SRCAudioConverter(ev->sndFile().channels(), SRC_SINC_MEDIUM_QUALITY);
#endif
}
#ifdef USE_SAMPLERATE
Event::Event(EventBase* eb, AudioConverter* cv) {
_sfCurFrame = 0;
_audConv = 0;
ev = eb;
++(ev->refCount);
if(cv)
_audConv = cv->reference();
}
#endif
Event::~Event() {
if (ev && --(ev->refCount) == 0) {
delete ev;
ev=0;
}
#ifdef USE_SAMPLERATE
AudioConverter::release(_audConv);
#endif
}
bool Event::empty() const { return ev == 0; }
EventType Event::type() const { return ev ? ev->type() : Note; }
void Event::setType(EventType t) {
if (ev && --(ev->refCount) == 0) {
delete ev;
ev = 0;
}
if (t == Wave)
ev = new MusECore::WaveEventBase(t);
else
ev = new MusECore::MidiEventBase(t);
++(ev->refCount);
}
Event& Event::operator=(const Event& e) {
if (ev != e.ev)
{
if (ev && --(ev->refCount) == 0) {
delete ev;
ev = 0;
}
ev = e.ev;
if (ev)
++(ev->refCount);
}
#ifdef USE_SAMPLERATE
if (_audConv != e._audConv)
{
if(_audConv)
AudioConverter::release(_audConv);
_audConv = e._audConv->reference();
}
#endif
return *this;
}
bool Event::operator==(const Event& e) const {
return ev == e.ev;
}
bool Event::isSimilarTo(const Event& other) const
{
return ev->isSimilarTo(*other.ev);
}
int Event::getRefCount() const { return ev->getRefCount(); }
bool Event::selected() const { return ev->_selected; }
void Event::setSelected(bool val) { ev->_selected = val; }
void Event::move(int offset) { ev->move(offset); }
void Event::read(Xml& xml)
{
ev->read(xml);
#ifdef USE_SAMPLERATE
if(!ev->sndFile().isNull())
{
if(_audConv)
_audConv->setChannels(ev->sndFile().channels());
else
_audConv = new SRCAudioConverter(ev->sndFile().channels(), SRC_SINC_MEDIUM_QUALITY);
}
#endif
}
void Event::write(int a, Xml& xml, const Pos& o, bool forceWavePaths) const { ev->write(a, xml, o, forceWavePaths); }
void Event::dump(int n) const { ev->dump(n); }
Event Event::mid(unsigned a, unsigned b) const { return Event(ev->mid(a, b)); }
bool Event::isNote() const { return ev->isNote(); }
bool Event::isNoteOff() const { return ev->isNoteOff(); }
bool Event::isNoteOff(const Event& e) const { return ev->isNoteOff(e); }
int Event::dataA() const { return ev->dataA(); }
int Event::pitch() const { return ev->dataA(); }
void Event::setA(int val) { ev->setA(val); }
void Event::setPitch(int val) { ev->setA(val); }
int Event::dataB() const { return ev->dataB(); }
int Event::velo() const { return ev->dataB(); }
void Event::setB(int val) { ev->setB(val); }
void Event::setVelo(int val) { ev->setB(val); }
int Event::dataC() const { return ev->dataC(); }
int Event::veloOff() const { return ev->dataC(); }
void Event::setC(int val) { ev->setC(val); }
void Event::setVeloOff(int val) { ev->setC(val); }
const unsigned char* Event::data() const { return ev->data(); }
int Event::dataLen() const { return ev->dataLen(); }
void Event::setData(const unsigned char* data, int len) { ev->setData(data, len); }
const EvData Event::eventData() const { return ev->eventData(); }
const QString Event::name() const { return ev->name(); }
void Event::setName(const QString& s) { ev->setName(s); }
int Event::spos() const { return ev->spos(); }
void Event::setSpos(int s) { ev->setSpos(s); }
MusECore::SndFileR Event::sndFile() const { return ev->sndFile(); }
void Event::setSndFile(MusECore::SndFileR& sf)
{
ev->setSndFile(sf);
#ifdef USE_SAMPLERATE
if(_audConv)
{
if(!sf.isNull())
_audConv->setChannels(sf.channels());
}
else
{
if(!sf.isNull())
_audConv = new SRCAudioConverter(ev->sndFile().channels(), SRC_SINC_MEDIUM_QUALITY);
}
#endif
}
void Event::readAudio(MusECore::WavePart* part, unsigned offset, float** bpp, int channels, int nn, bool doSeek, bool overwrite)
{
ev->readAudio(part, offset, bpp, channels, nn, doSeek, overwrite);
}
void Event::setTick(unsigned val) { ev->setTick(val); }
unsigned Event::tick() const { return ev->tick(); }
unsigned Event::frame() const { return ev->frame(); }
void Event::setFrame(unsigned val) { ev->setFrame(val); }
void Event::setLenTick(unsigned val) { ev->setLenTick(val); }
void Event::setLenFrame(unsigned val) { ev->setLenFrame(val); }
unsigned Event::lenTick() const { return ev->lenTick(); }
unsigned Event::lenFrame() const { return ev->lenFrame(); }
Pos Event::end() const { return ev->end(); }
unsigned Event::endTick() const { return ev->end().tick(); }
unsigned Event::endFrame() const { return ev->end().frame(); }
void Event::setPos(const Pos& p) { ev->setPos(p); }
} // namespace MusECore
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