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diff --git a/src/multimedia/effects/qsamplecache_p.h b/src/multimedia/effects/qsamplecache_p.h
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--- a/src/multimedia/effects/qsamplecache_p.h
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-/****************************************************************************
-**
-** Copyright (C) 2011 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.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QSAMPLECACHE_P_H
-#define QSAMPLECACHE_P_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/qthread.h>
-#include <QtCore/qurl.h>
-#include <QtCore/qmutex.h>
-#include <QtCore/qmap.h>
-#include <QtCore/qset.h>
-#include <qaudioformat.h>
-
-
-QT_BEGIN_HEADER
-
-QT_BEGIN_NAMESPACE
-
-QT_MODULE(Multimedia)
-
-
-class QNetworkAccessManager;
-class QSampleCache;
-class QWaveDecoder;
-
-// Lives in application thread
-class QSample : public QObject
-{
-    Q_OBJECT
-public:
-    friend class QSampleCache;
-    enum State
-    {
-        Creating,
-        Loading,
-        Error,
-        Ready,
-    };
-
-    State state() const;
-    // These are not (currently) locked because they are only meant to be called after these
-    // variables are updated to their final states
-    const QByteArray& data() const { Q_ASSERT(state() == Ready); return m_soundData; }
-    const QAudioFormat& format() const { Q_ASSERT(state() == Ready); return m_audioFormat; }
-    void release();
-
-Q_SIGNALS:
-    void error();
-    void ready();
-
-protected:
-    QSample(const QUrl& url, QSampleCache *parent);
-
-private Q_SLOTS:
-    void load();
-    void decoderError();
-    void readSample();
-    void decoderReady();
-
-private:
-    void onReady();
-    void cleanup();
-    void addRef();
-    void loadIfNecessary();
-    QSample();
-    ~QSample();
-
-    mutable QMutex m_mutex;
-    QSampleCache *m_parent;
-    QByteArray   m_soundData;
-    QAudioFormat m_audioFormat;
-    QIODevice    *m_stream;
-    QWaveDecoder *m_waveDecoder;
-    QUrl         m_url;
-    qint64       m_sampleReadLength;
-    State        m_state;
-    int          m_ref;
-};
-
-class QSampleCache
-{
-public:
-    friend class QSample;
-
-    QSampleCache();
-    ~QSampleCache();
-
-    QSample* requestSample(const QUrl& url);
-    void setCapacity(qint64 capacity);
-
-private:
-    QMap<QUrl, QSample*> m_samples;
-    QSet<QSample*> m_staleSamples;
-    QNetworkAccessManager *m_networkAccessManager;
-    QMutex m_mutex;
-    qint64 m_capacity;
-    qint64 m_usage;
-    QThread m_loadingThread;
-
-    QNetworkAccessManager& networkAccessManager();
-    void refresh(qint64 usageChange);
-    bool notifyUnreferencedSample(QSample* sample);
-    void removeUnreferencedSample(QSample* sample);
-    void unloadSample(QSample* sample);
-};
-
-QT_END_NAMESPACE
-
-QT_END_HEADER
-
-#endif // QSAMPLECACHE_P_H