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Diffstat (limited to 'src/multimedia/effects/qsoundeffect.cpp')
| -rw-r--r-- | src/multimedia/effects/qsoundeffect.cpp | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/src/multimedia/effects/qsoundeffect.cpp b/src/multimedia/effects/qsoundeffect.cpp new file mode 100644 index 0000000..2694023 --- /dev/null +++ b/src/multimedia/effects/qsoundeffect.cpp @@ -0,0 +1,255 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtMultimedia module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qmediacontent.h" +#include "qmediaplayer.h" + +#include "qsoundeffect_p.h" + +#if defined(QT_MULTIMEDIA_PULSEAUDIO) +#include "qsoundeffect_pulse_p.h" +#elif(QT_MULTIMEDIA_QMEDIAPLAYER) +#include "qsoundeffect_qmedia_p.h" +#else +#include "qsoundeffect_qsound_p.h" +#endif + +QT_BEGIN_NAMESPACE + +/*! + \qmlclass SoundEffect QSoundEffect + \since 4.7 + \brief The SoundEffect element provides a way to play sound effects in qml. + + The following example plays a wav file on mouse click. + + \qml + SoundEffect { + id: playSound + source: "test.wav" + } + MouseArea { + id: playArea + anchors.fill: parent + onPressed: { + playSound.play() + } + } + \endqml + + \sa SoundEffect +*/ + +/*! + \qmlproperty QUrl SoundEffect::source + + This property provides a way to control the sound to play. +*/ + +/*! + \qmlproperty int SoundEffect::loopCount + + This property provides a way to control the number of times to repeat the sound on each play(). +*/ + +/*! + \qmlproperty int SoundEffect::volume + + This property provides a way to control the volume for playback. +*/ + +/*! + \qmlproperty bool SoundEffect::muted + + This property provides a way to control muting. +*/ + +/*! + \qmlproperty int SoundEffect::duration + + This property holds the duration in milliseconds of the current source audio. +*/ + +/*! + \qmlsignal SoundEffect::sourceChanged() + + This handler is called when the source has changed. +*/ + +/*! + \qmlsignal SoundEffect::loopCountChanged() + + This handler is called when the number of loops has changes. +*/ + +/*! + \qmlsignal SoundEffect::volumeChanged() + + This handler is called when the volume has changed. +*/ + +/*! + \qmlsignal SoundEffect::mutedChanged() + + This handler is called when the mute state has changed. +*/ + +/*! + \qmlsignal SoundEffect::durationChanged() + + This handler is called when the duration has changed. +*/ + +QSoundEffect::QSoundEffect(QObject *parent) : + QObject(parent), + m_loopCount(1), + m_vol(100), + m_muted(false), + m_runningCount(0) +{ + d = new QSoundEffectPrivate(this); + connect(d, SIGNAL(volumeChanged(int)), SIGNAL(volumeChanged())); + connect(d, SIGNAL(mutedChanged(bool)), SIGNAL(mutedChanged())); + connect(d, SIGNAL(durationChanged(qint64)), SIGNAL(durationChanged())); + connect(d, SIGNAL(stateChanged(QMediaPlayer::State)), SLOT(repeat())); +} + +QSoundEffect::~QSoundEffect() +{ + delete d; +} + +QUrl QSoundEffect::source() const +{ + return d != 0 ? d->media().canonicalUrl() : QUrl(); +} + +void QSoundEffect::setSource(const QUrl &url) +{ + if (d != 0 && d->media().canonicalUrl() == url) + return; + + d->setVolume(m_vol); + d->setMuted(m_muted); + d->setMedia(url); + + if (url.isEmpty()) + return; + + emit sourceChanged(); +} + +int QSoundEffect::loopCount() const +{ + return m_loopCount; +} + +void QSoundEffect::setLoopCount(int loopCount) +{ + if (m_loopCount == loopCount) + return; + + m_loopCount = loopCount; + emit loopCountChanged(); +} + +int QSoundEffect::volume() const +{ + return d != 0 ? d->volume() : m_vol; +} + +void QSoundEffect::setVolume(int volume) +{ + if (m_vol == volume) + return; + + m_vol = volume; + if (d != 0) + d->setVolume(volume); + else + emit volumeChanged(); +} + +bool QSoundEffect::isMuted() const +{ + return d != 0 ? d->isMuted() : m_muted; +} + +void QSoundEffect::setMuted(bool muted) +{ + if (m_muted == muted) + return; + + m_muted = muted; + if (d != 0) + d->setMuted(muted); + else + emit mutedChanged(); +} + +int QSoundEffect::duration() const +{ + return d != 0 ? d->duration() : 0; +} + +void QSoundEffect::play() +{ + m_runningCount = 0; + + if (d != 0) + d->play(); +} + +void QSoundEffect::stop() +{ + if (d != 0) + d->stop(); +} + +void QSoundEffect::repeat() +{ + if (d->state() == QMediaPlayer::StoppedState) { + if (++m_runningCount < m_loopCount) + d->play(); + } +} + +QT_END_NAMESPACE |