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Diffstat (limited to 'src/multimedia/effects/qsoundeffect_qmedia_p.cpp')
| -rw-r--r-- | src/multimedia/effects/qsoundeffect_qmedia_p.cpp | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/src/multimedia/effects/qsoundeffect_qmedia_p.cpp b/src/multimedia/effects/qsoundeffect_qmedia_p.cpp new file mode 100644 index 000000000..dfd56b09c --- /dev/null +++ b/src/multimedia/effects/qsoundeffect_qmedia_p.cpp @@ -0,0 +1,233 @@ +/**************************************************************************** +** +** 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 Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// INTERNAL USE ONLY: Do NOT use for any other purpose. +// + +#include "qsoundeffect_qmedia_p.h" + +#include <QtCore/qcoreapplication.h> + +#include "qmediacontent.h" +#include "qmediaplayer.h" + + +QT_BEGIN_NAMESPACE + +QSoundEffectPrivate::QSoundEffectPrivate(QObject* parent): + QObject(parent), + m_loopCount(1), + m_runningCount(0), + m_player(0), + m_status(QSoundEffect::Null), + m_playing(false) +{ + m_player = new QMediaPlayer(this, QMediaPlayer::LowLatency); + connect(m_player, SIGNAL(stateChanged(QMediaPlayer::State)), SLOT(stateChanged(QMediaPlayer::State))); + connect(m_player, SIGNAL(mediaStatusChanged(QMediaPlayer::MediaStatus)), SLOT(mediaStatusChanged(QMediaPlayer::MediaStatus))); + connect(m_player, SIGNAL(error(QMediaPlayer::Error)), SLOT(error(QMediaPlayer::Error))); + connect(m_player, SIGNAL(mutedChanged(bool)), SIGNAL(mutedChanged())); + connect(m_player, SIGNAL(volumeChanged(int)), SIGNAL(volumeChanged())); +} + +QSoundEffectPrivate::~QSoundEffectPrivate() +{ +} + +QStringList QSoundEffectPrivate::supportedMimeTypes() +{ + return QMediaPlayer::supportedMimeTypes(); +} + +QUrl QSoundEffectPrivate::source() const +{ + return m_player->media().canonicalUrl(); +} + +void QSoundEffectPrivate::setSource(const QUrl &url) +{ + m_player->setMedia(url); +} + +int QSoundEffectPrivate::loopCount() const +{ + return m_loopCount; +} + +void QSoundEffectPrivate::setLoopCount(int loopCount) +{ + m_loopCount = loopCount; +} + +int QSoundEffectPrivate::volume() const +{ + return m_player->volume(); +} + +void QSoundEffectPrivate::setVolume(int volume) +{ + m_player->setVolume(volume); +} + +bool QSoundEffectPrivate::isMuted() const +{ + return m_player->isMuted(); +} + +void QSoundEffectPrivate::setMuted(bool muted) +{ + m_player->setMuted(muted); +} + +bool QSoundEffectPrivate::isLoaded() const +{ + return m_status == QSoundEffect::Ready; +} + +bool QSoundEffectPrivate::isPlaying() const +{ + return m_playing; +} + +QSoundEffect::Status QSoundEffectPrivate::status() const +{ + return m_status; +} + +void QSoundEffectPrivate::play() +{ + if (m_status == QSoundEffect::Null || m_status == QSoundEffect::Error) + return; + if (m_loopCount < 0) { + m_runningCount = -1; + } + else { + if (m_runningCount < 0) + m_runningCount = 0; + m_runningCount += m_loopCount; + } + m_player->play(); +} + +void QSoundEffectPrivate::stop() +{ + m_runningCount = 0; + m_player->stop(); +} + +void QSoundEffectPrivate::stateChanged(QMediaPlayer::State state) +{ + if (state == QMediaPlayer::StoppedState) { + if (m_runningCount < 0) { + m_player->play(); + } else if (m_runningCount == 0) { + setPlaying(false); + return; + } else if (--m_runningCount > 0) { + m_player->play(); + } else { + setPlaying(false); + } + } else { + setPlaying(true); + } +} + +void QSoundEffectPrivate::mediaStatusChanged(QMediaPlayer::MediaStatus status) +{ + switch(status) { + case QMediaPlayer::LoadingMedia: + setStatus(QSoundEffect::Loading); + break; + case QMediaPlayer::NoMedia: + setStatus(QSoundEffect::Null); + break; + case QMediaPlayer::InvalidMedia: + setStatus(QSoundEffect::Error); + break; + default: + setStatus(QSoundEffect::Ready); + break; + } +} + +void QSoundEffectPrivate::error(QMediaPlayer::Error err) +{ + bool playingDirty = false; + if (m_playing) { + m_playing = false; + playingDirty = true; + } + setStatus(QSoundEffect::Error); + if (playingDirty) + emit playingChanged(); +} + +void QSoundEffectPrivate::setStatus(QSoundEffect::Status status) +{ + if (m_status == status) + return; + bool oldLoaded = isLoaded(); + m_status = status; + emit statusChanged(); + if (oldLoaded != isLoaded()) + emit loadedChanged(); +} + +void QSoundEffectPrivate::setPlaying(bool playing) +{ + if (m_playing == playing) + return; + m_playing = playing; + emit playingChanged(); +} + +QT_END_NAMESPACE + +#include "moc_qsoundeffect_qmedia_p.cpp" |