MuseScore/synthesizer/msynthesizer.cpp

393 lines
12 KiB
C++

//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2002-2013 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 "config.h"
#include "event.h"
#include "synthesizer.h"
#include "msynthesizer.h"
#include "synthesizergui.h"
#include "libmscore/xml.h"
#include "midipatch.h"
namespace Ms {
extern QString dataPath;
//---------------------------------------------------------
// MasterSynthesizer
//---------------------------------------------------------
MasterSynthesizer::MasterSynthesizer()
: QObject(0)
{
}
//---------------------------------------------------------
// init
//---------------------------------------------------------
void MasterSynthesizer::init()
{
SynthesizerState state;
QString s(dataPath + "/synthesizer.xml");
QFile f(s);
if (!f.open(QIODevice::ReadOnly)) {
// qDebug("cannot read synthesizer settings <%s>", qPrintable(s));
setState(defaultState);
return;
}
XmlReader e(&f);
while (e.readNextStartElement()) {
if (e.name() == "Synthesizer")
state.read(e);
else
e.unknown();
}
if (!setState(state)) {
f.remove();
setState(defaultState);
}
}
//---------------------------------------------------------
// MasterSynthesizer
//---------------------------------------------------------
MasterSynthesizer::~MasterSynthesizer()
{
for (Synthesizer* s : _synthesizer)
delete s;
for (int i = 0; i < MAX_EFFECTS; ++i) {
for (Effect* e : _effectList[i])
delete e;
// delete _effect[i]; // _effect takes from _effectList
}
}
//---------------------------------------------------------
// reset
//---------------------------------------------------------
void MasterSynthesizer::reset()
{
for (Synthesizer* s : _synthesizer)
s->reset();
}
//---------------------------------------------------------
// play
//---------------------------------------------------------
void MasterSynthesizer::play(const NPlayEvent& event, unsigned syntiIdx)
{
if (syntiIdx >= _synthesizer.size())
return;
_synthesizer[syntiIdx]->setActive(true);
_synthesizer[syntiIdx]->play(event);
}
//---------------------------------------------------------
// synthNameToIndex
//---------------------------------------------------------
int MasterSynthesizer::index(const QString& name) const
{
int idx = 0;
for (Synthesizer* s : _synthesizer) {
if (s->name() == name)
return idx;
++idx;
}
qDebug("MasterSynthesizer::index for <%s> not found", qPrintable(name));
return 0;
}
//---------------------------------------------------------
// synthIndexToName
//---------------------------------------------------------
QString MasterSynthesizer::name(unsigned idx) const
{
if (idx >= _synthesizer.size()) {
qDebug("MasterSynthesizer::name() bad index %d", idx);
return QString();
}
return QString(_synthesizer[idx]->name());
}
//---------------------------------------------------------
// getPatchInfo
//---------------------------------------------------------
QList<MidiPatch*> MasterSynthesizer::getPatchInfo() const
{
QList<MidiPatch*> pl;
for (Synthesizer* s : _synthesizer)
pl += s->getPatchInfo();
return pl;
}
//---------------------------------------------------------
// allSoundsOff
//---------------------------------------------------------
void MasterSynthesizer::allSoundsOff(int channel)
{
for (Synthesizer* s : _synthesizer)
s->allSoundsOff(channel);
}
//---------------------------------------------------------
// allNotesOff
//---------------------------------------------------------
void MasterSynthesizer::allNotesOff(int channel)
{
for (Synthesizer* s : _synthesizer)
s->allNotesOff(channel);
}
//---------------------------------------------------------
// synth
//---------------------------------------------------------
Synthesizer* MasterSynthesizer::synthesizer(const QString& name)
{
for (Synthesizer* s : _synthesizer) {
if (s->name() == name)
return s;
}
return 0;
}
//---------------------------------------------------------
// registerSynthesizer
// ownership of s moves to MasterSynthesizer
//---------------------------------------------------------
void MasterSynthesizer::registerSynthesizer(Synthesizer* s)
{
_synthesizer.push_back(s);
}
//---------------------------------------------------------
// registerEffect
//---------------------------------------------------------
void MasterSynthesizer::registerEffect(int ab, Effect* e)
{
_effectList[ab].push_back(e);
}
//---------------------------------------------------------
// setEffect
//---------------------------------------------------------
void MasterSynthesizer::setEffect(int ab, int idx)
{
if (idx < 0 || idx >= int(_effectList[ab].size())) {
qDebug("MasterSynthesizer::setEffect: bad idx %d %d", ab, idx);
return;
}
lock2 = true;
while (lock1)
sleep(1);
_effect[ab] = _effectList[ab][idx];
lock2 = false;
}
//---------------------------------------------------------
// effect
//---------------------------------------------------------
Effect* MasterSynthesizer::effect(int idx)
{
return _effect[idx];
}
//---------------------------------------------------------
// setSampleRate
//---------------------------------------------------------
void MasterSynthesizer::setSampleRate(float val)
{
_sampleRate = val;
for (Synthesizer* s : _synthesizer) {
s->init(_sampleRate);
connect(s->gui(), SIGNAL(sfChanged()), SLOT(sfChanged()));
}
for (Effect* e : _effectList[0])
e->init(_sampleRate);
for (Effect* e : _effectList[1])
e->init(_sampleRate);
lock2 = false;
lock1 = false;
}
//---------------------------------------------------------
// process
//---------------------------------------------------------
void MasterSynthesizer::process(unsigned n, float* p)
{
if (lock2)
return;
lock1 = true;
if (lock2) {
lock1 = false;
return;
}
// avoid overflow
if (n > MAX_BUFFERSIZE / 2)
return;
for (Synthesizer* s : _synthesizer) {
if (s->active())
s->process(n, p, effect1Buffer, effect2Buffer);
}
if (_effect[0] && _effect[1]) {
memset(effect1Buffer, 0, n * sizeof(float) * 2);
_effect[0]->process(n, p, effect1Buffer);
_effect[1]->process(n, effect1Buffer, p);
}
else if (_effect[0] || _effect[1]) {
memcpy(effect1Buffer, p, n * sizeof(float) * 2);
if (_effect[0])
_effect[0]->process(n, effect1Buffer, p);
else
_effect[1]->process(n, effect1Buffer, p);
}
float g = _gain * _boost;
for (unsigned i = 0; i < n * 2; ++i)
*p++ *= g;
lock1 = false;
}
//---------------------------------------------------------
// indexOfEffect
//---------------------------------------------------------
int MasterSynthesizer::indexOfEffect(int ab, const QString& name)
{
int idx = 0;
for (Effect* e : _effectList[ab]) {
if (e && e->name() == name)
return idx;
++idx;
}
qDebug("indexOfEffect %d %s not found", ab, qPrintable(name));
return -1;
}
int MasterSynthesizer::indexOfEffect(int ab)
{
if (!_effect[ab])
return 0;
return indexOfEffect(ab, _effect[ab]->name());
}
//---------------------------------------------------------
// setState
//---------------------------------------------------------
bool MasterSynthesizer::setState(const SynthesizerState& ss)
{
bool result = true;
for (const SynthesizerGroup& g : ss) {
if (g.name() == "master") {
for (const IdValue& v : g) {
switch (v.id) {
case 0:
setEffect(0, indexOfEffect(0, v.data));
break;
case 1:
setEffect(1, indexOfEffect(1, v.data));
break;
case 2: {
float f = v.data.toDouble();
setGain(f);
}
break;
case 3:
setMasterTuning(v.data.toDouble());
break;
default:
qDebug("MasterSynthesizer::setState: unknown master id <%d>", v.id);
}
}
}
else {
Synthesizer* s = synthesizer(g.name());
if (s) {
bool r = s->setState(g);
result = result && r;
}
else {
if (effect(0) && effect(0)->name() == g.name())
effect(0)->setState(g);
else if (effect(1) && effect(1)->name() == g.name())
effect(1)->setState(g);
else
qDebug("MasterSynthesizer::setState: unknown <%s>", qPrintable(g.name()));
}
}
}
return result;
}
//---------------------------------------------------------
// state
//---------------------------------------------------------
SynthesizerState MasterSynthesizer::state() const
{
SynthesizerState ss;
SynthesizerGroup g;
g.setName("master");
g.push_back(IdValue(0, QString("%1").arg(_effect[0] ? _effect[0]->name() : "NoEffect")));
g.push_back(IdValue(1, QString("%1").arg(_effect[1] ? _effect[1]->name() : "NoEffect")));
g.push_back(IdValue(2, QString("%1").arg(gain())));
g.push_back(IdValue(3, QString("%1").arg(masterTuning())));
ss.push_back(g);
for (Synthesizer* s : _synthesizer)
ss.push_back(s->state());
if (_effect[0])
ss.push_back(_effect[0]->state());
if (_effect[1])
ss.push_back(_effect[1]->state());
return ss;
}
//---------------------------------------------------------
// setGain
//---------------------------------------------------------
void MasterSynthesizer::setGain(float f)
{
if (_gain != f) {
_gain = f;
emit gainChanged(_gain);
}
}
//---------------------------------------------------------
// setMasterTuning
//---------------------------------------------------------
void MasterSynthesizer::setMasterTuning(double val)
{
_masterTuning = val;
for (Synthesizer* s : _synthesizer)
s->setMasterTuning(_masterTuning);
}
}