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Diffstat (limited to 'src/imports/audioengine/qdeclarative_attenuationmodel_p.cpp')
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1 files changed, 0 insertions, 364 deletions
diff --git a/src/imports/audioengine/qdeclarative_attenuationmodel_p.cpp b/src/imports/audioengine/qdeclarative_attenuationmodel_p.cpp deleted file mode 100644 index 9d3c4fcb6..000000000 --- a/src/imports/audioengine/qdeclarative_attenuationmodel_p.cpp +++ /dev/null @@ -1,364 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qdeclarative_attenuationmodel_p.h" -#include "qdeclarative_audioengine_p.h" -#include "qdebug.h" - -#define DEBUG_AUDIOENGINE - -QT_USE_NAMESPACE - -QDeclarativeAttenuationModel::QDeclarativeAttenuationModel(QObject *parent) - : QObject(parent) - , m_engine(0) -{ -} - -QDeclarativeAttenuationModel::~QDeclarativeAttenuationModel() -{ -} - -void QDeclarativeAttenuationModel::setEngine(QDeclarativeAudioEngine *engine) -{ - m_engine = engine; -} - -QString QDeclarativeAttenuationModel::name() const -{ - return m_name; -} - -void QDeclarativeAttenuationModel::setName(const QString& name) -{ - if (m_engine) { - qWarning("AttenuationModel: you can not change name after initialization."); - return; - } - m_name = name; -} - -////////////////////////////////////////////////////////////////////////////////////////// -/*! - \qmltype AttenuationModelLinear - \instantiates QDeclarativeAttenuationModelLinear - \since 5.0 - \brief Defines a linear attenuation curve for a \l Sound. - \inqmlmodule QtAudioEngine - \ingroup multimedia_audioengine - \inherits Item - \preliminary - \deprecated - - AttenuationModelLinear must be defined inside \l AudioEngine or be added to it using - \l{QtAudioEngine::AudioEngine::addAttenuationModel()}{AudioEngine.addAttenuationModel()} - if AttenuationModelLinear is created dynamically. - - \qml - Rectangle { - color:"white" - width: 300 - height: 500 - - AudioEngine { - id:audioengine - - AttenuationModelLinear { - name:"linear" - start: 20 - end: 180 - } - - AudioSample { - name:"explosion" - source: "explosion-02.wav" - } - - Sound { - name:"explosion" - attenuationModel: "linear" - PlayVariation { - sample:"explosion" - } - } - } - } - \endqml -*/ - -/*! - \qmlproperty string QtAudioEngine::AttenuationModelLinear::name - - This property holds the name of AttenuationModelLinear, must be unique among all attenuation - models and only defined once. -*/ -QDeclarativeAttenuationModelLinear::QDeclarativeAttenuationModelLinear(QObject *parent) - : QDeclarativeAttenuationModel(parent) - , m_start(0) - , m_end(1) -{ -} - -void QDeclarativeAttenuationModelLinear::setEngine(QDeclarativeAudioEngine *engine) -{ - if (m_start > m_end) { - qSwap(m_start, m_end); - qWarning() << "AttenuationModelLinear[" << m_name << "]: start must be less or equal than end."; - } - QDeclarativeAttenuationModel::setEngine(engine); -} - -/*! - \qmlproperty real QtAudioEngine::AttenuationModelLinear::start - - This property holds the start distance. There will be no attenuation if the distance from sound - to listener is within this range. - The default value is 0. -*/ -qreal QDeclarativeAttenuationModelLinear::startDistance() const -{ - return m_start; -} - -void QDeclarativeAttenuationModelLinear::setStartDistance(qreal startDist) -{ - if (m_engine) { - qWarning() << "AttenuationModelLinear[" << m_name << "]: you can not change properties after initialization."; - return; - } - if (startDist < 0) { - qWarning() << "AttenuationModelLinear[" << m_name << "]: start must be no less than 0."; - return; - } - m_start = startDist; -} - -/*! - \qmlproperty real QtAudioEngine::AttenuationModelLinear::end - - This property holds the end distance. There will be no sound hearable if the distance from sound - to listener is larger than this. - The default value is 1. -*/ -qreal QDeclarativeAttenuationModelLinear::endDistance() const -{ - return m_end; -} - -void QDeclarativeAttenuationModelLinear::setEndDistance(qreal endDist) -{ - if (m_engine) { - qWarning() << "AttenuationModelLinear[" << m_name << "]: you can not change properties after initialization."; - return; - } - if (endDist < 0) { - qWarning() << "AttenuationModelLinear[" << m_name << "]: end must be no greater than 0."; - return; - } - m_end = endDist; -} - -qreal QDeclarativeAttenuationModelLinear::calculateGain(const QVector3D &listenerPosition, const QVector3D &sourcePosition) const -{ - qreal md = m_end - m_start; - if (md == 0) - return 1; - qreal d = qBound(qreal(0), (listenerPosition - sourcePosition).length() - m_start, md); - return qreal(1) - (d / md); -} - -////////////////////////////////////////////////////////////////////////////////////////// -/*! - \qmltype AttenuationModelInverse - \instantiates QDeclarativeAttenuationModelInverse - - \since 5.0 - \brief Defines a non-linear attenuation curve for a \l Sound. - \inqmlmodule QtAudioEngine - \ingroup multimedia_audioengine - \inherits Item - \preliminary - \deprecated - - AttenuationModelInverse must be defined inside \l AudioEngine or be added to it using - \l{QtAudioEngine::AudioEngine::addAttenuationModel()}{AudioEngine.addAttenuationModel()} - if AttenuationModelInverse is created dynamically. - - \qml - Rectangle { - color:"white" - width: 300 - height: 500 - - AudioEngine { - id:audioengine - - AttenuationModelInverse { - name:"linear" - start: 20 - end: 500 - rolloff: 1.5 - } - - AudioSample { - name:"explosion" - source: "explosion-02.wav" - } - - Sound { - name:"explosion" - attenuationModel: "linear" - PlayVariation { - sample:"explosion" - } - } - } - } - \endqml - - Attenuation factor is calculated as below: - - distance: distance from sound to listener - d = min(max(distance, start), end); - attenuation = start / (start + (d - start) * rolloff); -*/ - -/*! - \qmlproperty string QtAudioEngine::AttenuationModelInverse::name - - This property holds the name of AttenuationModelInverse, must be unique among all attenuation - models and only defined once. -*/ - -/*! - \qmlproperty real QtAudioEngine::AttenuationModelInverse::start - - This property holds the start distance. There will be no attenuation if the distance from sound - to listener is within this range. - The default value is 1. -*/ - -/*! - \qmlproperty real QtAudioEngine::AttenuationModelInverse::end - - This property holds the end distance. There will be no further attenuation if the distance from - sound to listener is larger than this. - The default value is 1000. -*/ - -/*! - \qmlproperty real QtAudioEngine::AttenuationModelInverse::rolloff - - This property holds the rolloff factor. The bigger the value is, the faster the sound attenuates. - The default value is 1. -*/ - -QDeclarativeAttenuationModelInverse::QDeclarativeAttenuationModelInverse(QObject *parent) - : QDeclarativeAttenuationModel(parent) - , m_ref(1) - , m_max(1000) - , m_rolloff(1) -{ -} - -void QDeclarativeAttenuationModelInverse::setEngine(QDeclarativeAudioEngine *engine) -{ - if (m_ref > m_max) { - qSwap(m_ref, m_max); - qWarning() << "AttenuationModelInverse[" << m_name << "]: referenceDistance must be less or equal than maxDistance."; - } - QDeclarativeAttenuationModel::setEngine(engine); -} - -qreal QDeclarativeAttenuationModelInverse::referenceDistance() const -{ - return m_ref; -} - -void QDeclarativeAttenuationModelInverse::setReferenceDistance(qreal referenceDistance) -{ - if (m_engine) { - qWarning() << "AttenuationModelInverse[" << m_name << "]: you can not change properties after initialization."; - return; - } - if (referenceDistance <= 0) { - qWarning() << "AttenuationModelInverse[" << m_name << "]: referenceDistance must be greater than 0."; - return; - } - m_ref = referenceDistance; -} - -qreal QDeclarativeAttenuationModelInverse::maxDistance() const -{ - return m_max; -} - -void QDeclarativeAttenuationModelInverse::setMaxDistance(qreal maxDistance) -{ - if (m_engine) { - qWarning() << "AttenuationModelInverse[" << m_name << "]: you can not change properties after initialization."; - return; - } - if (maxDistance <= 0) { - qWarning() << "AttenuationModelInverse[" << m_name << "]: maxDistance must be greater than 0."; - return; - } - m_max = maxDistance; -} - -qreal QDeclarativeAttenuationModelInverse::rolloffFactor() const -{ - return m_rolloff; -} - -void QDeclarativeAttenuationModelInverse::setRolloffFactor(qreal rolloffFactor) -{ - if (m_engine) { - qWarning() << "AttenuationModelInverse[" << m_name << "]: you can not change properties after initialization."; - return; - } - m_rolloff = rolloffFactor; -} - -qreal QDeclarativeAttenuationModelInverse::calculateGain(const QVector3D &listenerPosition, const QVector3D &sourcePosition) const -{ - Q_ASSERT(m_ref > 0); - return m_ref / (m_ref + (qBound<qreal>(m_ref, (listenerPosition - sourcePosition).length(), m_max) - m_ref) * m_rolloff); -} - |