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| ** This file is part of the plugins of the Qt Toolkit. |
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| ** Public license version 3 or any later version approved by the KDE Free |
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| |
| #include "qdeclarative_sound_p.h" |
| #include "qdeclarative_audiocategory_p.h" |
| #include "qdeclarative_attenuationmodel_p.h" |
| #include "qdeclarative_soundinstance_p.h" |
| #include "qdeclarative_audioengine_p.h" |
| #include "qdebug.h" |
| #include "qrandom.h" |
| |
| #define DEBUG_AUDIOENGINE |
| |
| QT_USE_NAMESPACE |
| |
| QDeclarativeSoundCone::QDeclarativeSoundCone(QObject *parent) |
| : QObject(parent) |
| , m_innerAngle(360) |
| , m_outerAngle(360) |
| , m_outerGain(0) |
| { |
| } |
| |
| /*! |
| \qmlproperty real Sound::cone.innerAngle |
| |
| This property holds the innerAngle for Sound definition. |
| The range is [0, 360] degree. There is no directional attenuation |
| within innerAngle. |
| */ |
| qreal QDeclarativeSoundCone::innerAngle() const |
| { |
| return m_innerAngle; |
| } |
| |
| void QDeclarativeSoundCone::setInnerAngle(qreal innerAngle) |
| { |
| QDeclarativeSound *s = qobject_cast<QDeclarativeSound*>(parent()); |
| |
| if (s && s->m_engine) { |
| qWarning("SoundCone: innerAngle not changeable after initialization."); |
| return; |
| } |
| |
| if (innerAngle < 0 || innerAngle > 360) { |
| qWarning() << "innerAngle should be within[0, 360] degrees"; |
| return; |
| } |
| m_innerAngle = innerAngle; |
| } |
| |
| /*! |
| \qmlproperty real Sound::cone.outerAngle |
| |
| This property holds the outerAngle for Sound definition. |
| The range is [0, 360] degree. All audio output from this sound will be |
| attenuated by \l {cone.outerGain}{outerGain} outside outerAngle. |
| */ |
| qreal QDeclarativeSoundCone::outerAngle() const |
| { |
| return m_outerAngle; |
| } |
| |
| void QDeclarativeSoundCone::setOuterAngle(qreal outerAngle) |
| { |
| QDeclarativeSound *s = qobject_cast<QDeclarativeSound*>(parent()); |
| |
| if (s && s->m_engine) { |
| qWarning("SoundCone: outerAngle not changeable after initialization."); |
| return; |
| } |
| |
| if (outerAngle < 0 || outerAngle > 360) { |
| qWarning() << "outerAngle should be within[0, 360] degrees"; |
| return; |
| } |
| m_outerAngle = outerAngle; |
| } |
| |
| /*! |
| \qmlproperty real Sound::cone.outerGain |
| |
| This property holds attenuation value for directional attenuation of this sound. |
| The range is [0, 1]. All audio output from this sound will be attenuated by outerGain |
| outside \l {cone.outerAngle}{outerAngle}. |
| */ |
| qreal QDeclarativeSoundCone::outerGain() const |
| { |
| return m_outerGain; |
| } |
| |
| void QDeclarativeSoundCone::setOuterGain(qreal outerGain) |
| { |
| QDeclarativeSound *s = qobject_cast<QDeclarativeSound*>(parent()); |
| |
| if (s && s->m_engine) { |
| qWarning("SoundCone: outerGain not changeable after initialization."); |
| return; |
| } |
| |
| if (outerGain < 0 || outerGain > 1) { |
| qWarning() << "outerGain should no less than 0 and no more than 1"; |
| return; |
| } |
| m_outerGain = outerGain; |
| } |
| |
| void QDeclarativeSoundCone::setEngine(QDeclarativeAudioEngine *engine) |
| { |
| if (m_engine) { |
| qWarning("SoundCone: engine not changeable after initialization."); |
| return; |
| } |
| |
| if (m_outerAngle < m_innerAngle) { |
| m_outerAngle = m_innerAngle; |
| } |
| |
| m_engine = engine; |
| } |
| |
| //////////////////////////////////////////////////////////// |
| /*! |
| \qmltype Sound |
| \instantiates QDeclarativeSound |
| \since 5.0 |
| \brief Define a variety of samples and parameters to be used for |
| SoundInstance. |
| \inqmlmodule QtAudioEngine |
| \ingroup multimedia_audioengine |
| \inherits Item |
| \preliminary |
| \deprecated |
| |
| Sound can be accessed through QtAudioEngine::AudioEngine::sounds with its unique name |
| and must be defined inside AudioEngine or be added to it using |
| \l{QtAudioEngine::AudioEngine::addSound()}{AudioEngine.addSound()} |
| if \l Sound is created dynamically. |
| |
| \qml |
| |
| Rectangle { |
| color:"white" |
| width: 300 |
| height: 500 |
| |
| AudioEngine { |
| id:audioengine |
| |
| AudioSample { |
| name:"explosion01" |
| source: "explosion-01.wav" |
| } |
| |
| AudioSample { |
| name:"explosion02" |
| source: "explosion-02.wav" |
| } |
| |
| Sound { |
| name:"explosion" |
| playType: Sound.Random |
| PlayVariation { |
| sample:"explosion01" |
| minPitch: 0.8 |
| maxPitch: 1.1 |
| } |
| PlayVariation { |
| sample:"explosion02" |
| minGain: 1.1 |
| maxGain: 1.5 |
| } |
| } |
| } |
| MouseArea { |
| anchors.fill: parent |
| onPressed: { |
| audioengine.sounds["explosion"].play(); |
| } |
| } |
| } |
| \endqml |
| */ |
| |
| QDeclarativeSound::QDeclarativeSound(QObject *parent) |
| : QObject(parent) |
| , m_playType(Random) |
| , m_attenuationModelObject(0) |
| , m_categoryObject(0) |
| , m_engine(0) |
| { |
| m_cone = new QDeclarativeSoundCone(this); |
| } |
| |
| QDeclarativeSound::~QDeclarativeSound() |
| { |
| } |
| |
| /*! |
| \qmlproperty enumeration QtAudioEngine::Sound::playType |
| |
| This property holds the playType. It can be one of: |
| |
| \list |
| \li Random - randomly picks up a play variation when playback is triggered |
| \li Sequential - plays each variation in sequence when playback is triggered |
| \endlist |
| |
| The default value is Random. |
| */ |
| QDeclarativeSound::PlayType QDeclarativeSound::playType() const |
| { |
| return m_playType; |
| } |
| |
| void QDeclarativeSound::setPlayType(PlayType playType) |
| { |
| if (m_engine) { |
| qWarning("Sound: playType not changeable after initialization."); |
| return; |
| } |
| m_playType = playType; |
| } |
| |
| /*! |
| \qmlproperty string QtAudioEngine::Sound::category |
| |
| This property specifies which AudioCategory this sound belongs to. |
| */ |
| QString QDeclarativeSound::category() const |
| { |
| return m_category; |
| } |
| |
| void QDeclarativeSound::setCategory(const QString& category) |
| { |
| if (m_engine) { |
| qWarning("Sound: category not changeable after initialization."); |
| return; |
| } |
| m_category = category; |
| } |
| |
| /*! |
| \qmlproperty string QtAudioEngine::Sound::name |
| |
| This property holds the name of Sound, must be unique among all sounds and only |
| defined once. |
| */ |
| QString QDeclarativeSound::name() const |
| { |
| return m_name; |
| } |
| |
| void QDeclarativeSound::setName(const QString& name) |
| { |
| if (m_engine) { |
| qWarning("Sound: category not changeable after initialization."); |
| return; |
| } |
| m_name = name; |
| } |
| |
| /*! |
| \qmlproperty string QtAudioEngine::Sound::attenuationModel |
| |
| This property specifies which attenuation model this sound will apply. |
| */ |
| QString QDeclarativeSound::attenuationModel() const |
| { |
| return m_attenuationModel; |
| } |
| |
| int QDeclarativeSound::genVariationIndex(int oldVariationIndex) |
| { |
| if (m_playlist.count() == 0) |
| return -1; |
| |
| if (m_playlist.count() == 1) |
| return 0; |
| |
| switch (m_playType) { |
| case QDeclarativeSound::Random: { |
| if (oldVariationIndex < 0) |
| oldVariationIndex = 0; |
| return (oldVariationIndex + (QRandomGenerator::global()->bounded(m_playlist.count() + 1))) % m_playlist.count(); |
| } |
| default: |
| return (oldVariationIndex + 1) % m_playlist.count(); |
| } |
| } |
| |
| QDeclarativePlayVariation* QDeclarativeSound::getVariation(int index) |
| { |
| Q_ASSERT(index >= 0 && index < m_playlist.count()); |
| return m_playlist[index]; |
| } |
| |
| void QDeclarativeSound::setAttenuationModel(const QString &attenuationModel) |
| { |
| if (m_engine) { |
| qWarning("Sound: attenuationModel not changeable after initialization."); |
| return; |
| } |
| m_attenuationModel = attenuationModel; |
| } |
| |
| void QDeclarativeSound::setEngine(QDeclarativeAudioEngine *engine) |
| { |
| if (m_engine) { |
| qWarning("Sound: engine not changeable after initialization."); |
| return; |
| } |
| m_cone->setEngine(engine); |
| m_engine = engine; |
| } |
| |
| QDeclarativeAudioEngine *QDeclarativeSound::engine() const |
| { |
| return m_engine; |
| } |
| |
| QDeclarativeSoundCone* QDeclarativeSound::cone() const |
| { |
| return m_cone; |
| } |
| |
| QDeclarativeAttenuationModel* QDeclarativeSound::attenuationModelObject() const |
| { |
| return m_attenuationModelObject; |
| } |
| |
| void QDeclarativeSound::setAttenuationModelObject(QDeclarativeAttenuationModel *attenuationModelObject) |
| { |
| m_attenuationModelObject = attenuationModelObject; |
| } |
| |
| QDeclarativeAudioCategory* QDeclarativeSound::categoryObject() const |
| { |
| return m_categoryObject; |
| } |
| |
| void QDeclarativeSound::setCategoryObject(QDeclarativeAudioCategory *categoryObject) |
| { |
| m_categoryObject = categoryObject; |
| } |
| |
| QQmlListProperty<QDeclarativePlayVariation> QDeclarativeSound::playVariationlist() |
| { |
| return QQmlListProperty<QDeclarativePlayVariation>(this, 0, appendFunction, 0, 0, 0); |
| } |
| |
| QList<QDeclarativePlayVariation*>& QDeclarativeSound::playlist() |
| { |
| return m_playlist; |
| } |
| |
| void QDeclarativeSound::appendFunction(QQmlListProperty<QDeclarativePlayVariation> *property, QDeclarativePlayVariation *value) |
| { |
| QDeclarativeSound *sound = static_cast<QDeclarativeSound*>(property->object); |
| if (sound->m_engine) { |
| return; |
| } |
| sound->addPlayVariation(value); |
| } |
| |
| /*! |
| \qmlmethod QtAudioEngine::Sound::addPlayVariation(PlayVariation playVariation) |
| |
| Adds the given \a playVariation to sound. |
| This can be used when the PlayVariation is created dynamically: |
| |
| \qml |
| import QtAudioEngine 1.1 |
| |
| AudioEngine { |
| id: engine |
| |
| Component.onCompleted: { |
| var playVariation = Qt.createQmlObject('import QtAudioEngine 1.1; PlayVariation {}', engine); |
| playVariation.sample = "sample"; |
| playVariation.minPitch = 0.8 |
| playVariation.maxPitch = 1.1 |
| |
| var sound = Qt.createQmlObject('import QtAudioEngine 1.1; Sound {}', engine); |
| sound.name = "example"; |
| sound.addPlayVariation(playVariation); |
| engine.addSound(sound); |
| } |
| } |
| \endqml |
| */ |
| void QDeclarativeSound::addPlayVariation(QDeclarativePlayVariation *value) |
| { |
| m_playlist.append(value); |
| value->setEngine(m_engine); |
| } |
| |
| /*! |
| \qmlmethod QtAudioEngine::Sound::play() |
| |
| Creates a new \l SoundInstance and starts playing. |
| Position, direction and velocity are all set to \c "0,0,0". |
| */ |
| void QDeclarativeSound::play() |
| { |
| play(QVector3D(), QVector3D(), QVector3D(), 1, 1); |
| } |
| |
| /*! |
| \qmlmethod QtAudioEngine::Sound::play(gain) |
| |
| Creates a new SoundInstance and starts playing with the adjusted \a gain. |
| Position, direction and velocity are all set to \c "0,0,0". |
| */ |
| void QDeclarativeSound::play(qreal gain) |
| { |
| play(QVector3D(), QVector3D(), QVector3D(), gain, 1); |
| } |
| |
| /*! |
| \qmlmethod QtAudioEngine::Sound::play(gain, pitch) |
| |
| Creates a new SoundInstance and starts playing with the adjusted \a gain and \a pitch. |
| Position, direction and velocity are all set to \c "0,0,0". |
| */ |
| void QDeclarativeSound::play(qreal gain, qreal pitch) |
| { |
| play(QVector3D(), QVector3D(), QVector3D(), gain, pitch); |
| } |
| |
| /*! |
| \qmlmethod QtAudioEngine::Sound::play(position) |
| |
| Creates a new SoundInstance and starts playing with specified \a position. |
| Direction and velocity are all set to \c "0,0,0". |
| */ |
| void QDeclarativeSound::play(const QVector3D& position) |
| { |
| play(position, QVector3D(), QVector3D(), 1, 1); |
| } |
| |
| /*! |
| \qmlmethod QtAudioEngine::Sound::play(position, velocity) |
| |
| Creates a new SoundInstance and starts playing with specified \a position and \a velocity. |
| Direction is set to \c "0,0,0". |
| */ |
| void QDeclarativeSound::play(const QVector3D& position, const QVector3D& velocity) |
| { |
| play(position, velocity, QVector3D(), 1, 1); |
| } |
| |
| /*! |
| \qmlmethod QtAudioEngine::Sound::play(position, velocity, direction) |
| |
| Creates a new SoundInstance and starts playing with specified \a position, \a velocity and |
| \a direction. |
| */ |
| void QDeclarativeSound::play(const QVector3D& position, const QVector3D& velocity, |
| const QVector3D& direction) |
| { |
| play(position, velocity, direction, 1, 1); |
| } |
| |
| /*! |
| \qmlmethod QtAudioEngine::Sound::play(position, gain) |
| |
| Creates a new SoundInstance and starts playing with specified \a position and adjusted \a gain. |
| Direction and velocity are all set to \c "0,0,0". |
| */ |
| void QDeclarativeSound::play(const QVector3D& position, qreal gain) |
| { |
| play(position, QVector3D(), QVector3D(), gain, 1); |
| } |
| |
| /*! |
| \qmlmethod QtAudioEngine::Sound::play(position, velocity, gain) |
| |
| Creates a new SoundInstance and starts playing with specified \a position, \a velocity and |
| adjusted \a gain. |
| Direction is set to \c "0,0,0". |
| */ |
| void QDeclarativeSound::play(const QVector3D& position, const QVector3D& velocity, qreal gain) |
| { |
| play(position, velocity, QVector3D(), gain, 1); |
| } |
| |
| /*! |
| \qmlmethod QtAudioEngine::Sound::play(position, velocity, direction, gain) |
| |
| Creates a new SoundInstance and starts playing with specified \a position, \a velocity, |
| \a direction and adjusted \a gain. |
| */ |
| void QDeclarativeSound::play(const QVector3D& position, const QVector3D& velocity, const QVector3D& direction, qreal gain) |
| { |
| play(position, velocity, direction, gain, 1); |
| } |
| |
| /*! |
| \qmlmethod QtAudioEngine::Sound::play(position, gain, pitch) |
| |
| Creates a new SoundInstance and starts playing with specified \a position, adjusted \a gain and |
| \a pitch. |
| Direction and velocity are all set to \c "0,0,0". |
| */ |
| void QDeclarativeSound::play(const QVector3D& position, qreal gain, qreal pitch) |
| { |
| play(position, QVector3D(), QVector3D(), gain, pitch); |
| } |
| |
| /*! |
| \qmlmethod QtAudioEngine::Sound::play(position, velocity, gain, pitch) |
| |
| Creates a new SoundInstance and starts playing with specified \a position, \a velocity, |
| adjusted \a gain and \a pitch. |
| Direction is set to \c "0,0,0". |
| */ |
| void QDeclarativeSound::play(const QVector3D& position, const QVector3D& velocity, qreal gain, qreal pitch) |
| { |
| play(position, velocity, QVector3D(), gain, pitch); |
| } |
| |
| /*! |
| \qmlmethod QtAudioEngine::Sound::play(position, velocity, direction, gain, pitch) |
| |
| Creates a new SoundInstance and starts playing with specified \a position, \a velocity, |
| \a direction, adjusted \a gain and \a pitch. |
| */ |
| void QDeclarativeSound::play(const QVector3D& position, const QVector3D& velocity, const QVector3D& direction, qreal gain, qreal pitch) |
| { |
| if (!m_engine) { |
| qWarning() << "AudioEngine::play not ready!"; |
| return; |
| } |
| QDeclarativeSoundInstance *instance = this->newInstance(true); |
| if (!instance) |
| return; |
| instance->setPosition(position); |
| instance->setVelocity(velocity); |
| instance->setDirection(direction); |
| instance->setGain(gain); |
| instance->setPitch(pitch); |
| instance->setConeInnerAngle(cone()->innerAngle()); |
| instance->setConeOuterAngle(cone()->outerAngle()); |
| instance->setConeOuterGain(cone()->outerGain()); |
| instance->play(); |
| #ifdef DEBUG_AUDIOENGINE |
| qDebug() << "Sound[" << m_name << "] play (" |
| << position << "," |
| << velocity <<"," |
| << direction << "," |
| << gain << "," |
| << pitch << ")triggered"; |
| #endif |
| |
| } |
| |
| /*! |
| \qmlmethod QtAudioEngine::SoundInstance QtAudioEngine::Sound::newInstance() |
| |
| Returns a new \l SoundInstance. |
| */ |
| QDeclarativeSoundInstance* QDeclarativeSound::newInstance() |
| { |
| return newInstance(false); |
| } |
| |
| QDeclarativeSoundInstance* QDeclarativeSound::newInstance(bool managed) |
| { |
| if (!m_engine) { |
| qWarning("engine attrbiute must be set for Sound object!"); |
| return NULL; |
| } |
| |
| QDeclarativeSoundInstance *instance = |
| m_engine->newDeclarativeSoundInstance(managed); |
| instance->setSound(m_name); |
| return instance; |
| } |
| |