Merge branch '4.7' of git@scm.dev.nokia.troll.no:qt/oslo-staging-2 into 4.7

11 files changed, 1697 insertions, 0 deletions

diff --git a/src/multimedia/effects/effects.pri b/src/multimedia/effects/effects.pri
new file mode 100644
index 0000000..be2b696
--- /dev/null
+++ b/src/multimedia/effects/effects.pri
@@ -0,0 +1,25 @@
+
+
+unix:!mac {
+   contains(QT_CONFIG, pulseaudio) {
+        DEFINES += QT_MULTIMEDIA_PULSEAUDIO
+        HEADERS += $$PWD/qsoundeffect_pulse_p.h
+        SOURCES += $$PWD/qsoundeffect_pulse_p.cpp
+        LIBS += -lpulse
+    } else {
+        DEFINES += QT_MULTIMEDIA_QMEDIAPLAYER
+        HEADERS += $$PWD/qsoundeffect_qmedia_p.h
+        SOURCES += $$PWD/qsoundeffect_qmedia_p.cpp
+    }
+} else {
+    HEADERS += $$PWD/qsoundeffect_qsound_p.h
+    SOURCES += $$PWD/qsoundeffect_qsound_p.cpp
+}
+
+HEADERS += \
+    $$PWD/qsoundeffect_p.h \
+    $$PWD/wavedecoder_p.h
+
+SOURCES += \
+    $$PWD/qsoundeffect.cpp \
+    $$PWD/wavedecoder_p.cpp
diff --git a/src/multimedia/effects/qsoundeffect.cpp b/src/multimedia/effects/qsoundeffect.cpp
new file mode 100644
index 0000000..f64d9ee
--- /dev/null
+++ b/src/multimedia/effects/qsoundeffect.cpp
@@ -0,0 +1,202 @@
+/****************************************************************************
+**
+** 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 "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.
+*/
+
+/*!
+    \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.
+*/
+
+
+QSoundEffect::QSoundEffect(QObject *parent) :
+    QObject(parent)
+{
+    d = new QSoundEffectPrivate(this);
+    connect(d, SIGNAL(volumeChanged()), SIGNAL(volumeChanged()));
+    connect(d, SIGNAL(mutedChanged()), SIGNAL(mutedChanged()));
+}
+
+QSoundEffect::~QSoundEffect()
+{
+    delete d;
+}
+
+QUrl QSoundEffect::source() const
+{
+    return d->source();
+}
+
+void QSoundEffect::setSource(const QUrl &url)
+{
+    if (d->source() == url)
+        return;
+
+    d->setSource(url);
+
+    emit sourceChanged();
+}
+
+int QSoundEffect::loopCount() const
+{
+    return d->loopCount();
+}
+
+void QSoundEffect::setLoopCount(int loopCount)
+{
+    if (d->loopCount() == loopCount)
+        return;
+
+    d->setLoopCount(loopCount);
+    emit loopCountChanged();
+}
+
+int QSoundEffect::volume() const
+{
+    return d->volume();
+}
+
+void QSoundEffect::setVolume(int volume)
+{
+    if (d->volume() == volume)
+        return;
+
+    d->setVolume(volume);
+    emit volumeChanged();
+}
+
+bool QSoundEffect::isMuted() const
+{
+    return d->isMuted();
+}
+
+void QSoundEffect::setMuted(bool muted)
+{
+    if (d->isMuted() == muted)
+        return;
+
+    d->setMuted(muted);
+    emit mutedChanged();
+}
+
+void QSoundEffect::play()
+{
+    d->play();
+}
+
+QT_END_NAMESPACE
diff --git a/src/multimedia/effects/qsoundeffect_p.h b/src/multimedia/effects/qsoundeffect_p.h
new file mode 100644
index 0000000..ec6a2f7
--- /dev/null
+++ b/src/multimedia/effects/qsoundeffect_p.h
@@ -0,0 +1,109 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSOUNDEFFECT_H
+#define QSOUNDEFFECT_H
+
+//
+//  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.
+//
+// We mean it.
+//
+
+
+#include <QtCore/qobject.h>
+#include <QtCore/qurl.h>
+
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+class QSoundEffectPrivate;
+class Q_MULTIMEDIA_EXPORT QSoundEffect : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged)
+    Q_PROPERTY(int loopCount READ loopCount WRITE setLoopCount NOTIFY loopCountChanged)
+    Q_PROPERTY(int volume READ volume WRITE setVolume NOTIFY volumeChanged)
+    Q_PROPERTY(bool muted READ isMuted WRITE setMuted NOTIFY mutedChanged)
+
+public:
+    explicit QSoundEffect(QObject *parent = 0);
+    ~QSoundEffect();
+
+    QUrl source() const;
+    void setSource(const QUrl &url);
+
+    int loopCount() const;
+    void setLoopCount(int loopCount);
+
+    int volume() const;
+    void setVolume(int volume);
+
+    bool isMuted() const;
+    void setMuted(bool muted);
+
+Q_SIGNALS:
+    void sourceChanged();
+    void loopCountChanged();
+    void volumeChanged();
+    void mutedChanged();
+
+public Q_SLOTS:
+    void play();
+
+private:
+    Q_DISABLE_COPY(QSoundEffect)
+    QSoundEffectPrivate* d;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+
+#endif // QSOUNDEFFECT_H
diff --git a/src/multimedia/effects/qsoundeffect_pulse_p.cpp b/src/multimedia/effects/qsoundeffect_pulse_p.cpp
new file mode 100644
index 0000000..c322722
--- /dev/null
+++ b/src/multimedia/effects/qsoundeffect_pulse_p.cpp
@@ -0,0 +1,474 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+//  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.
+//
+// We mean it.
+//
+
+#include <QtCore/qcoreapplication.h>
+#include <QtMultimedia/qaudioformat.h>
+#include <QtNetwork>
+#include <QTime>
+
+#include "wavedecoder_p.h"
+
+#include "qsoundeffect_pulse_p.h"
+
+#if defined(Q_WS_MAEMO_5)
+#include <pulse/ext-stream-restore.h>
+#endif
+
+#include <unistd.h>
+
+// Less than ideal
+#define PA_SCACHE_ENTRY_SIZE_MAX (1024*1024*16)
+
+QT_BEGIN_NAMESPACE
+
+namespace
+{
+inline pa_sample_spec audioFormatToSampleSpec(const QAudioFormat &format)
+{
+    pa_sample_spec  spec;
+
+    spec.rate = format.frequency();
+    spec.channels = format.channels();
+
+    if (format.sampleSize() == 8)
+        spec.format = PA_SAMPLE_U8;
+    else if (format.sampleSize() == 16) {
+        switch (format.byteOrder()) {
+            case QAudioFormat::BigEndian: spec.format = PA_SAMPLE_S16BE; break;
+            case QAudioFormat::LittleEndian: spec.format = PA_SAMPLE_S16LE; break;
+        }
+    }
+    else if (format.sampleSize() == 32) {
+        switch (format.byteOrder()) {
+            case QAudioFormat::BigEndian: spec.format = PA_SAMPLE_S32BE; break;
+            case QAudioFormat::LittleEndian: spec.format = PA_SAMPLE_S32LE; break;
+        }
+    }
+
+    return spec;
+}
+
+class PulseDaemon
+{
+public:
+    PulseDaemon():m_prepared(false)
+    {
+        prepare();
+    }
+
+    ~PulseDaemon()
+    {
+        if (m_prepared)
+            release();
+    }
+
+    inline void lock()
+    {
+        pa_threaded_mainloop_lock(m_mainLoop);
+    }
+
+    inline void unlock()
+    {
+        pa_threaded_mainloop_unlock(m_mainLoop);
+    }
+
+    inline pa_context *context() const
+    {
+        return m_context;
+    }
+
+    int volume()
+    {
+        return m_vol;
+    }
+
+private:
+    void prepare()
+    {
+        m_vol = 100;
+
+        m_mainLoop = pa_threaded_mainloop_new();
+        if (m_mainLoop == 0) {
+            qWarning("PulseAudioService: unable to create pulseaudio mainloop");
+            return;
+        }
+
+        if (pa_threaded_mainloop_start(m_mainLoop) != 0) {
+            qWarning("PulseAudioService: unable to start pulseaudio mainloop");
+            pa_threaded_mainloop_free(m_mainLoop);
+            return;
+        }
+
+        m_mainLoopApi = pa_threaded_mainloop_get_api(m_mainLoop);
+
+        lock();
+        m_context = pa_context_new(m_mainLoopApi, QString(QLatin1String("QtPulseAudio:%1")).arg(::getpid()).toAscii().constData());
+
+#if defined(Q_WS_MAEMO_5)
+        pa_context_set_state_callback(m_context, context_state_callback, this);
+#endif
+        if (m_context == 0) {
+            qWarning("PulseAudioService: Unable to create new pulseaudio context");
+            pa_threaded_mainloop_free(m_mainLoop);
+            return;
+        }
+
+        if (pa_context_connect(m_context, NULL, (pa_context_flags_t)0, NULL) < 0) {
+            qWarning("PulseAudioService: pa_context_connect() failed");
+            pa_context_unref(m_context);
+            pa_threaded_mainloop_free(m_mainLoop);
+            return;
+        }
+        unlock();
+
+        m_prepared = true;
+    }
+
+    void release()
+    {
+        if (!m_prepared) return;
+        pa_threaded_mainloop_stop(m_mainLoop);
+        pa_threaded_mainloop_free(m_mainLoop);
+        m_prepared = false;
+    }
+
+#if defined(Q_WS_MAEMO_5)
+    static void context_state_callback(pa_context *c, void *userdata)
+    {
+        PulseDaemon *self = reinterpret_cast<PulseDaemon*>(userdata);
+        switch (pa_context_get_state(c)) {
+            case PA_CONTEXT_CONNECTING:
+            case PA_CONTEXT_AUTHORIZING:
+            case PA_CONTEXT_SETTING_NAME:
+                break;
+            case PA_CONTEXT_READY:
+                pa_ext_stream_restore_set_subscribe_cb(c, &stream_restore_monitor_callback, self);
+                pa_ext_stream_restore_subscribe(c, 1, NULL, self);
+                break;
+            default:
+                break;
+        }
+    }
+    static void stream_restore_monitor_callback(pa_context *c, void *userdata)
+    {
+        PulseDaemon *self = reinterpret_cast<PulseDaemon*>(userdata);
+        pa_ext_stream_restore2_read(c, &stream_restore_info_callback, self);
+    }
+    static void stream_restore_info_callback(pa_context *c, const pa_ext_stream_restore2_info *info,
+            int eol, void *userdata)
+    {
+        Q_UNUSED(c)
+
+        PulseDaemon *self = reinterpret_cast<PulseDaemon*>(userdata);
+
+        if (!eol) {
+            if (QString(info->name).startsWith(QLatin1String("sink-input-by-media-role:x-maemo"))) {
+                const unsigned str_length = 256;
+                char str[str_length];
+                pa_cvolume_snprint(str, str_length, &info->volume);
+                self->m_vol = QString(str).replace(" ","").replace("%","").mid(2).toInt();
+            }
+        }
+    }
+#endif
+
+    int  m_vol;
+    bool m_prepared;
+    pa_context *m_context;
+    pa_threaded_mainloop *m_mainLoop;
+    pa_mainloop_api *m_mainLoopApi;
+};
+}
+
+Q_GLOBAL_STATIC(PulseDaemon, daemon)
+
+
+QSoundEffectPrivate::QSoundEffectPrivate(QObject* parent):
+    QObject(parent),
+    m_muted(false),
+    m_playQueued(false),
+    m_sampleLoaded(false),
+    m_volume(100),
+    m_duration(0),
+    m_dataUploaded(0),
+    m_loopCount(1),
+    m_runningCount(0),
+    m_reply(0),
+    m_stream(0),
+    m_networkAccessManager(0)
+{
+}
+
+QSoundEffectPrivate::~QSoundEffectPrivate()
+{
+    delete m_reply;
+    unloadSample();
+}
+
+QUrl QSoundEffectPrivate::source() const
+{
+    return m_source;
+}
+
+void QSoundEffectPrivate::setSource(const QUrl &url)
+{
+    if (url.isEmpty()) {
+        m_source = QUrl();
+        unloadSample();
+        return;
+    }
+
+    m_source = url;
+
+    if (m_networkAccessManager == 0)
+        m_networkAccessManager = new QNetworkAccessManager(this);
+
+    m_stream = m_networkAccessManager->get(QNetworkRequest(m_source));
+
+    unloadSample();
+    loadSample();
+}
+
+int QSoundEffectPrivate::loopCount() const
+{
+    return m_loopCount;
+}
+
+void QSoundEffectPrivate::setLoopCount(int loopCount)
+{
+    m_loopCount = loopCount;
+}
+
+int QSoundEffectPrivate::volume() const
+{
+    return m_volume;
+}
+
+void QSoundEffectPrivate::setVolume(int volume)
+{
+    m_volume = volume;
+}
+
+bool QSoundEffectPrivate::isMuted() const
+{
+    return m_muted;
+}
+
+void QSoundEffectPrivate::setMuted(bool muted)
+{
+    m_muted = muted;
+}
+
+void QSoundEffectPrivate::play()
+{
+    if (!m_sampleLoaded) {
+        m_playQueued = true;
+        return;
+    }
+
+    m_runningCount += m_loopCount;
+
+    playSample();
+}
+
+void QSoundEffectPrivate::decoderReady()
+{
+    if (m_waveDecoder->size() >= PA_SCACHE_ENTRY_SIZE_MAX) {
+        m_waveDecoder->deleteLater();
+        qWarning("QSoundEffect(pulseaudio): Attempting to load to large a sample");
+        return;
+    }
+
+    if (m_name.isNull())
+        m_name = QString(QLatin1String("QtPulseSample-%1-%2")).arg(::getpid()).arg(quintptr(this)).toUtf8();
+
+    pa_sample_spec spec = audioFormatToSampleSpec(m_waveDecoder->audioFormat());
+
+    daemon()->lock();
+    pa_stream *stream = pa_stream_new(daemon()->context(), m_name.constData(), &spec, 0);
+    pa_stream_set_state_callback(stream, stream_state_callback, this);
+    pa_stream_set_write_callback(stream, stream_write_callback, this);
+    pa_stream_connect_upload(stream, (size_t)m_waveDecoder->size());
+    daemon()->unlock();
+}
+
+void QSoundEffectPrivate::decoderError()
+{
+    qWarning("QSoundEffect(pulseaudio): Error decoding source");
+}
+
+void QSoundEffectPrivate::checkPlayTime()
+{
+    int elapsed = m_playbackTime.elapsed();
+
+    if (elapsed < m_duration)
+        startTimer(m_duration - elapsed);
+}
+
+void QSoundEffectPrivate::loadSample()
+{
+    m_sampleLoaded = false;
+    m_dataUploaded = 0;
+    m_waveDecoder = new WaveDecoder(m_stream);
+    connect(m_waveDecoder, SIGNAL(formatKnown()), SLOT(decoderReady()));
+    connect(m_waveDecoder, SIGNAL(invalidFormat()), SLOT(decoderError()));
+}
+
+void QSoundEffectPrivate::unloadSample()
+{
+    if (!m_sampleLoaded)
+        return;
+
+    daemon()->lock();
+    pa_context_remove_sample(daemon()->context(), m_name.constData(), NULL, NULL);
+    daemon()->unlock();
+
+    m_duration = 0;
+    m_dataUploaded = 0;
+    m_sampleLoaded = false;
+}
+
+void QSoundEffectPrivate::playSample()
+{
+    pa_volume_t volume = PA_VOLUME_NORM;
+
+    daemon()->lock();
+#ifdef Q_WS_MAEMO_5
+    volume = PA_VOLUME_NORM / 100 * ((daemon()->volume() + m_volume) / 2);
+#endif
+    pa_operation_unref(
+            pa_context_play_sample(daemon()->context(),
+                m_name.constData(),
+                0,
+                volume,
+                play_callback,
+                this)
+            );
+    daemon()->unlock();
+
+    m_playbackTime.start();
+}
+
+void QSoundEffectPrivate::timerEvent(QTimerEvent *event)
+{
+    if (m_runningCount > 0)
+        playSample();
+
+    killTimer(event->timerId());
+}
+
+void QSoundEffectPrivate::stream_write_callback(pa_stream *s, size_t length, void *userdata)
+{
+    Q_UNUSED(length);
+
+    QSoundEffectPrivate *self = reinterpret_cast<QSoundEffectPrivate*>(userdata);
+
+    size_t bufferSize = qMin(pa_stream_writable_size(s),
+            size_t(self->m_waveDecoder->bytesAvailable()));
+    char buffer[bufferSize];
+
+    size_t len = 0;
+    while (len < length) {
+        qint64 read = self->m_waveDecoder->read(buffer, qMin(bufferSize, length -len));
+        if (read > 0) {
+            if (pa_stream_write(s, buffer, size_t(read), 0, 0, PA_SEEK_RELATIVE) == 0)
+                len += size_t(read);
+            else
+                break;
+        }
+    }
+    self->m_dataUploaded += len;
+
+    if (self->m_waveDecoder->size() == self->m_dataUploaded) {
+        pa_stream_finish_upload(s);
+
+        self->m_duration = self->m_waveDecoder->duration();
+
+        self->m_waveDecoder->deleteLater();
+        self->m_stream->deleteLater();
+
+        self->m_sampleLoaded = true;
+        if (self->m_playQueued) {
+            self->m_playQueued = false;
+            QMetaObject::invokeMethod(self, "play");
+        }
+    }
+}
+
+void QSoundEffectPrivate::stream_state_callback(pa_stream *s, void *userdata)
+{
+    switch (pa_stream_get_state(s)) {
+        case PA_STREAM_CREATING:
+        case PA_STREAM_READY:
+        case PA_STREAM_TERMINATED:
+            break;
+
+        case PA_STREAM_FAILED:
+        default:
+            qWarning("QSoundEffect(pulseaudio): Error in pulse audio stream");
+            break;
+    }
+}
+
+void QSoundEffectPrivate::play_callback(pa_context *c, int success, void *userdata)
+{
+    Q_UNUSED(c);
+
+    QSoundEffectPrivate *self = reinterpret_cast<QSoundEffectPrivate*>(userdata);
+
+    if (success == 1) {
+        self->m_runningCount--;
+        QMetaObject::invokeMethod(self, "checkPlayTime", Qt::QueuedConnection);
+    }
+}
+
+QT_END_NAMESPACE
diff --git a/src/multimedia/effects/qsoundeffect_pulse_p.h b/src/multimedia/effects/qsoundeffect_pulse_p.h
new file mode 100644
index 0000000..3aed018
--- /dev/null
+++ b/src/multimedia/effects/qsoundeffect_pulse_p.h
@@ -0,0 +1,133 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSOUNDEFFECT_PULSE_H
+#define QSOUNDEFFECT_PULSE_H
+
+//
+//  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.
+//
+// We mean it.
+//
+
+
+#include "qsoundeffect_p.h"
+
+#include <QtCore/qobject.h>
+#include <QtCore/qdatetime.h>
+#include <QtMultimedia/qmediaplayer.h>
+#include <pulse/pulseaudio.h>
+
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+class QNetworkReply;
+class QNetworkAccessManager;
+class WaveDecoder;
+
+class QSoundEffectPrivate : public QObject
+{
+    Q_OBJECT
+public:
+    explicit QSoundEffectPrivate(QObject* parent);
+    ~QSoundEffectPrivate();
+
+    QUrl source() const;
+    void setSource(const QUrl &url);
+    int loopCount() const;
+    void setLoopCount(int loopCount);
+    int volume() const;
+    void setVolume(int volume);
+    bool isMuted() const;
+    void setMuted(bool muted);
+
+public Q_SLOTS:
+    void play();
+
+Q_SIGNALS:
+    void volumeChanged();
+    void mutedChanged();
+
+private Q_SLOTS:
+    void decoderReady();
+    void decoderError();
+    void checkPlayTime();
+
+private:
+    void loadSample();
+    void unloadSample();
+    void playSample();
+
+    void timerEvent(QTimerEvent *event);
+
+    static void stream_write_callback(pa_stream *s, size_t length, void *userdata);
+    static void stream_state_callback(pa_stream *s, void *userdata);
+    static void play_callback(pa_context *c, int success, void *userdata);
+
+    bool    m_muted;
+    bool    m_playQueued;
+    bool    m_sampleLoaded;
+    int     m_volume;
+    int     m_duration;
+    int     m_dataUploaded;
+    int     m_loopCount;
+    int     m_runningCount;
+    QUrl    m_source;
+    QTime  m_playbackTime;
+    QByteArray m_name;
+    QNetworkReply *m_reply;
+    WaveDecoder *m_waveDecoder;
+    QIODevice *m_stream;
+    QNetworkAccessManager *m_networkAccessManager;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSOUNDEFFECT_PULSE_H
diff --git a/src/multimedia/effects/qsoundeffect_qmedia_p.cpp b/src/multimedia/effects/qsoundeffect_qmedia_p.cpp
new file mode 100644
index 0000000..43ba22f
--- /dev/null
+++ b/src/multimedia/effects/qsoundeffect_qmedia_p.cpp
@@ -0,0 +1,134 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+//  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.
+//
+// We mean it.
+//
+
+#include "qsoundeffect_qmedia_p.h"
+
+#include <QtCore/qcoreapplication.h>
+
+#include <QtMultimedia/qmediacontent.h>
+#include <QtMultimedia/qmediaplayer.h>
+
+
+QT_BEGIN_NAMESPACE
+
+QSoundEffectPrivate::QSoundEffectPrivate(QObject* parent):
+    QObject(parent),
+    m_loopCount(1),
+    m_runningCount(0),
+    m_player(0)
+{
+    m_player = new QMediaPlayer(this, QMediaPlayer::LowLatency);
+    connect(m_player, SIGNAL(volumeChanged(int)), SIGNAL(volumeChanged()));
+    connect(m_player, SIGNAL(mutedChanged(bool)), SIGNAL(mutedChanged()));
+    connect(m_player, SIGNAL(stateChanged(QMediaPlayer::State)), SLOT(stateChanged(QMediaPlayer::State)));
+}
+
+QSoundEffectPrivate::~QSoundEffectPrivate()
+{
+}
+
+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);
+}
+
+void QSoundEffectPrivate::play()
+{
+    m_runningCount += m_loopCount;
+    m_player->play();
+}
+
+void QSoundEffectPrivate::stateChanged(QMediaPlayer::State state)
+{
+    if (state == QMediaPlayer::StoppedState) {
+        if (--m_runningCount > 0)
+            m_player->play();
+    }
+}
+
+QT_END_NAMESPACE
+
diff --git a/src/multimedia/effects/qsoundeffect_qmedia_p.h b/src/multimedia/effects/qsoundeffect_qmedia_p.h
new file mode 100644
index 0000000..6ad9d79
--- /dev/null
+++ b/src/multimedia/effects/qsoundeffect_qmedia_p.h
@@ -0,0 +1,103 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSOUNDEFFECT_QMEDIA_H
+#define QSOUNDEFFECT_QMEDIA_H
+
+//
+//  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.
+//
+// We mean it.
+//
+
+
+#include <QtCore/qobject.h>
+#include <QtCore/qurl.h>
+#include <QtMultimedia/qmediaplayer.h>
+
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+
+class QSoundEffectPrivate : public QObject
+{
+    Q_OBJECT
+public:
+    explicit QSoundEffectPrivate(QObject* parent);
+    ~QSoundEffectPrivate();
+
+    QUrl source() const;
+    void setSource(const QUrl &url);
+    int loopCount() const;
+    void setLoopCount(int loopCount);
+    int volume() const;
+    void setVolume(int volume);
+    bool isMuted() const;
+    void setMuted(bool muted);
+
+public Q_SLOTS:
+    void play();
+
+Q_SIGNALS:
+    void volumeChanged();
+    void mutedChanged();
+
+private Q_SLOTS:
+    void stateChanged(QMediaPlayer::State);
+
+private:
+    int m_loopCount;
+    int m_runningCount;
+    QMediaPlayer *m_player;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSOUNDEFFECT_QMEDIA_H
diff --git a/src/multimedia/effects/qsoundeffect_qsound_p.cpp b/src/multimedia/effects/qsoundeffect_qsound_p.cpp
new file mode 100644
index 0000000..ff30f67
--- /dev/null
+++ b/src/multimedia/effects/qsoundeffect_qsound_p.cpp
@@ -0,0 +1,131 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+//  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.
+//
+// We mean it.
+//
+
+#include "qsoundeffect_qsound_p.h"
+
+#include <QtCore/qcoreapplication.h>
+#include <QtGui/qsound.h>
+
+
+QT_BEGIN_NAMESPACE
+
+QSoundEffectPrivate::QSoundEffectPrivate(QObject* parent):
+    QObject(parent),
+    m_muted(false),
+    m_loopCount(1),
+    m_volume(100),
+    m_sound(0)
+{
+}
+
+QSoundEffectPrivate::~QSoundEffectPrivate()
+{
+}
+
+QUrl QSoundEffectPrivate::source() const
+{
+    return m_source;
+}
+
+void QSoundEffectPrivate::setSource(const QUrl &url)
+{
+    if (url.isEmpty() || url.scheme() != QLatin1String("file")) {
+        m_source = QUrl();
+        return;
+    }
+
+    if (m_sound != 0)
+        delete m_sound;
+
+    m_source = url;
+    m_sound = new QSound(m_source.toLocalFile(), this);
+    m_sound->setLoops(m_loopCount);
+}
+
+int QSoundEffectPrivate::loopCount() const
+{
+    return m_loopCount;
+}
+
+void QSoundEffectPrivate::setLoopCount(int lc)
+{
+    m_loopCount = lc;
+    if (m_sound)
+        m_sound->setLoops(lc);
+}
+
+int QSoundEffectPrivate::volume() const
+{
+    return m_volume;
+}
+
+void QSoundEffectPrivate::setVolume(int v)
+{
+    m_volume = v;
+}
+
+bool QSoundEffectPrivate::isMuted() const
+{
+    return m_muted;
+}
+
+void QSoundEffectPrivate::setMuted(bool muted)
+{
+    m_muted = muted;
+}
+
+void QSoundEffectPrivate::play()
+{
+    m_sound->play();
+}
+
+QT_END_NAMESPACE
diff --git a/src/multimedia/effects/qsoundeffect_qsound_p.h b/src/multimedia/effects/qsoundeffect_qsound_p.h
new file mode 100644
index 0000000..6fb3cfa
--- /dev/null
+++ b/src/multimedia/effects/qsoundeffect_qsound_p.h
@@ -0,0 +1,102 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSOUNDEFFECT_QSOUND_H
+#define QSOUNDEFFECT_QSOUND_H
+
+//
+//  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.
+//
+// We mean it.
+//
+
+
+#include <QtCore/qobject.h>
+#include <QtCore/qurl.h>
+
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+class QSound;
+
+class QSoundEffectPrivate : public QObject
+{
+    Q_OBJECT
+public:
+    explicit QSoundEffectPrivate(QObject* parent);
+    ~QSoundEffectPrivate();
+
+    QUrl source() const;
+    void setSource(const QUrl &url);
+    int loopCount() const;
+    void setLoopCount(int loopCount);
+    int volume() const;
+    void setVolume(int volume);
+    bool isMuted() const;
+    void setMuted(bool muted);
+
+public Q_SLOTS:
+    void play();
+
+Q_SIGNALS:
+    void volumeChanged();
+    void mutedChanged();
+
+private:
+    bool m_muted;
+    int m_loopCount;
+    int m_volume;
+    QSound *m_sound;
+    QUrl m_source;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSOUNDEFFECT_QSOUND_H
diff --git a/src/multimedia/effects/wavedecoder_p.cpp b/src/multimedia/effects/wavedecoder_p.cpp
new file mode 100644
index 0000000..b534ded
--- /dev/null
+++ b/src/multimedia/effects/wavedecoder_p.cpp
@@ -0,0 +1,151 @@
+/****************************************************************************
+**
+** 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 "wavedecoder_p.h"
+
+#include <QtCore/qtimer.h>
+#include <QtCore/qendian.h>
+
+QT_BEGIN_NAMESPACE
+
+WaveDecoder::WaveDecoder(QIODevice *s, QObject *parent):
+    QIODevice(parent),
+    haveFormat(false),
+    dataSize(0),
+    remaining(0),
+    source(s)
+{
+    open(QIODevice::ReadOnly | QIODevice::Unbuffered);
+
+    if (source->bytesAvailable() >= qint64(sizeof(CombinedHeader) + sizeof(DATAHeader) + sizeof(quint16)))
+        QTimer::singleShot(0, this, SLOT(handleData()));
+    else
+        connect(source, SIGNAL(readyRead()), SLOT(handleData()));
+}
+
+WaveDecoder::~WaveDecoder()
+{
+}
+
+QAudioFormat WaveDecoder::audioFormat() const
+{
+    return format;
+}
+
+int WaveDecoder::duration() const
+{
+    return size() * 1000 / (format.sampleSize() / 8) / format.channels() / format.frequency();
+}
+
+qint64 WaveDecoder::size() const
+{
+    return haveFormat ? dataSize : 0;
+}
+
+bool WaveDecoder::isSequential() const
+{
+    return source->isSequential();
+}
+
+qint64 WaveDecoder::bytesAvailable() const
+{
+    return haveFormat ? source->bytesAvailable() : 0;
+}
+
+qint64 WaveDecoder::readData(char *data, qint64 maxlen)
+{
+    return haveFormat ? source->read(data, maxlen) : 0;
+}
+
+qint64 WaveDecoder::writeData(const char *data, qint64 len)
+{
+    Q_UNUSED(data);
+    Q_UNUSED(len);
+
+    return -1;
+}
+
+void WaveDecoder::handleData()
+{
+    if (source->bytesAvailable() < qint64(sizeof(CombinedHeader) + sizeof(DATAHeader) + sizeof(quint16)))
+        return;
+
+    source->disconnect(SIGNAL(readyRead()), this, SLOT(handleData()));
+    source->read((char*)&header, sizeof(CombinedHeader));
+
+    if (qstrncmp(header.riff.descriptor.id, "RIFF", 4) != 0 ||
+        qstrncmp(header.riff.type, "WAVE", 4) != 0 ||
+        qstrncmp(header.wave.descriptor.id, "fmt ", 4) != 0 ||
+        (header.wave.audioFormat != 0 && header.wave.audioFormat != 1)) {
+
+        emit invalidFormat();
+    }
+    else {
+        DATAHeader dataHeader;
+
+        if (qFromLittleEndian<quint32>(header.wave.descriptor.size) > sizeof(WAVEHeader)) {
+            // Extended data available
+            quint16 extraFormatBytes;
+            source->peek((char*)&extraFormatBytes, sizeof(quint16));
+            extraFormatBytes = qFromLittleEndian<quint16>(extraFormatBytes);
+            source->read(sizeof(quint16) + extraFormatBytes);   // dump it all
+        }
+
+        source->read((char*)&dataHeader, sizeof(DATAHeader));
+
+        int bps = qFromLittleEndian<quint16>(header.wave.bitsPerSample);
+
+        format.setCodec(QLatin1String("audio/pcm"));
+        format.setSampleType(bps == 8 ? QAudioFormat::UnSignedInt : QAudioFormat::SignedInt);
+        format.setByteOrder(QAudioFormat::LittleEndian);
+        format.setFrequency(qFromLittleEndian<quint32>(header.wave.sampleRate));
+        format.setSampleSize(bps);
+        format.setChannels(qFromLittleEndian<quint16>(header.wave.numChannels));
+
+        dataSize = qFromLittleEndian<quint32>(dataHeader.descriptor.size);
+
+        haveFormat = true;
+        connect(source, SIGNAL(readyRead()), SIGNAL(readyRead()));
+        emit formatKnown();
+    }
+}
+
+QT_END_NAMESPACE
diff --git a/src/multimedia/effects/wavedecoder_p.h b/src/multimedia/effects/wavedecoder_p.h
new file mode 100644
index 0000000..c1892bb
--- /dev/null
+++ b/src/multimedia/effects/wavedecoder_p.h
@@ -0,0 +1,133 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef WAVEDECODER_H
+#define WAVEDECODER_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qiodevice.h>
+#include <QtMultimedia/qaudioformat.h>
+
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+
+class WaveDecoder : public QIODevice
+{
+    Q_OBJECT
+
+public:
+    explicit WaveDecoder(QIODevice *source, QObject *parent = 0);
+    ~WaveDecoder();
+
+    QAudioFormat audioFormat() const;
+    int duration() const;
+
+    qint64 size() const;
+    bool isSequential() const;
+    qint64 bytesAvailable() const;
+
+Q_SIGNALS:
+    void formatKnown();
+    void invalidFormat();
+
+private Q_SLOTS:
+    void handleData();
+
+private:
+    qint64 readData(char *data, qint64 maxlen);
+    qint64 writeData(const char *data, qint64 len);
+
+    struct chunk
+    {
+        char        id[4];
+        quint32     size;
+    };
+    struct RIFFHeader
+    {
+        chunk       descriptor;
+        char        type[4];
+    };
+    struct WAVEHeader
+    {
+        chunk       descriptor;
+        quint16     audioFormat;
+        quint16     numChannels;
+        quint32     sampleRate;
+        quint32     byteRate;
+        quint16     blockAlign;
+        quint16     bitsPerSample;
+    };
+    struct DATAHeader
+    {
+        chunk       descriptor;
+    };
+    struct CombinedHeader
+    {
+        RIFFHeader  riff;
+        WAVEHeader  wave;
+    };
+
+    bool haveFormat;
+    qint64 dataSize;
+    qint64 remaining;
+    QAudioFormat format;
+    QIODevice *source;
+    CombinedHeader header;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // WAVEDECODER_H