Add Windows Media Foundation backend for QMediaPlayer
Task-number:QTMOBILITY-1606 Reviewed-by: Michael Goddard (cherry picked from commit bdf3a9b39661cfb836245139d02e95e854646a7e) (cherry picked from commit 8d2370953eb32bf44a037244e0d9f9b484875f7a) Change-Id: I07790b8c540a04e4e19a3d018a4884a773e980bf Reviewed-on: http://codereview.qt.nokia.com/2086 Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com> Reviewed-by: Ling Hu <ling.hu@nokia.com>
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Michael Goddard
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Qt by Nokia
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212
src/plugins/wmf/player/mfplayersession.h
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212
src/plugins/wmf/player/mfplayersession.h
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/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Mobility Components.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef MFPLAYERSESSION_H
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#define MFPLAYERSESSION_H
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#include <mfapi.h>
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#include <mfidl.h>
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#include "qmediaplayer.h"
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#include "qmediaresource.h"
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#include "qmediaservice.h"
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#include "qmediatimerange.h"
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#include <QtCore/qcoreevent.h>
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#include <QtCore/qmutex.h>
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#include <QtCore/qurl.h>
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#include <QtCore/qwaitcondition.h>
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QT_BEGIN_NAMESPACE
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class QMediaContent;
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QT_END_NAMESPACE
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QT_USE_NAMESPACE
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class SourceResolver;
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#ifndef Q_WS_SIMULATOR
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class Evr9VideoWindowControl;
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#endif
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class MFAudioEndpointControl;
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class MFVideoRendererControl;
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class MFPlayerControl;
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class MFMetaDataControl;
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class MFPlayerSession : public QObject, public IMFAsyncCallback
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{
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Q_OBJECT
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friend class SourceResolver;
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public:
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MFPlayerSession(QObject *parent = 0);
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~MFPlayerSession();
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STDMETHODIMP QueryInterface(REFIID riid, LPVOID *ppvObject);
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STDMETHODIMP_(ULONG) AddRef(void);
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STDMETHODIMP_(ULONG) Release(void);
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STDMETHODIMP Invoke(IMFAsyncResult *pResult);
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STDMETHODIMP GetParameters(DWORD *pdwFlags, DWORD *pdwQueue)
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{
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Q_UNUSED(pdwFlags);
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Q_UNUSED(pdwQueue);
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return E_NOTIMPL;
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}
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void load(const QMediaContent &media, QIODevice *stream);
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void stop();
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void start();
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void pause();
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QMediaPlayer::MediaStatus status() const;
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qint64 position();
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void setPosition(qint64 position);
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qreal playbackRate() const;
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void setPlaybackRate(qreal rate);
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int volume() const;
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void setVolume(int volume);
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bool isMuted() const;
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void setMuted(bool muted);
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int bufferStatus();
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QMediaTimeRange availablePlaybackRanges();
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void changeStatus(QMediaPlayer::MediaStatus newStatus);
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Q_SIGNALS:
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void error(QMediaPlayer::Error error, QString errorString, bool isFatal);
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void sessionEvent(IMFMediaEvent *sessionEvent);
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void statusChanged();
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void audioAvailable();
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void videoAvailable();
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void durationUpdate(qint64 duration);
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void seekableUpdate(bool seekable);
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void positionChanged(qint64 position);
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void playbackRateChanged(qreal rate);
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void volumeChanged(int volume);
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void mutedChanged(bool muted);
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void bufferStatusChanged(int percentFilled);
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private Q_SLOTS:
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void handleMediaSourceReady();
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void handleSessionEvent(IMFMediaEvent *sessionEvent);
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void handleSourceError(long hr);
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private:
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IMFMediaSession *m_session;
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IMFPresentationClock *m_presentationClock;
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IMFRateControl *m_rateControl;
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IMFRateSupport *m_rateSupport;
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IMFSimpleAudioVolume *m_volumeControl;
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IPropertyStore *m_netsourceStatistics;
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PROPVARIANT m_varStart;
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UINT64 m_duration;
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enum Command
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{
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CmdNone = 0,
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CmdStop,
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CmdStart,
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CmdPause,
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CmdSeek,
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CmdSeekResume,
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};
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void clear();
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void setPositionInternal(qint64 position, Command requestCmd);
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void setPlaybackRateInternal(qreal rate);
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void commitRateChange(qreal rate, BOOL isThin);
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bool canScrub() const;
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void scrub(bool enableScrub);
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bool m_scrubbing;
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float m_restoreRate;
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SourceResolver *m_sourceResolver;
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HANDLE m_hCloseEvent;
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enum MediaType
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{
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Unknown = 0,
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Audio = 1,
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Video = 2,
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};
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DWORD m_mediaTypes;
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enum PendingState
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{
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NoPending = 0,
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CmdPending,
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SeekPending,
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};
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struct SeekState
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{
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void setCommand(Command cmd) {
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prevCmd = command;
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command = cmd;
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}
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Command command;
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Command prevCmd;
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float rate; // Playback rate
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BOOL isThin; // Thinned playback?
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qint64 start; // Start position
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};
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SeekState m_state; // Current nominal state.
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SeekState m_request; // Pending request.
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PendingState m_pendingState;
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float m_pendingRate;
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void updatePendingCommands(Command command);
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QMediaPlayer::MediaStatus m_status;
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bool m_canScrub;
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int m_volume;
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bool m_muted;
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void createSession();
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void setupPlaybackTopology(IMFMediaSource *source, IMFPresentationDescriptor *sourcePD);
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IMFTopologyNode* addSourceNode(IMFTopology* topology, IMFMediaSource* source,
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IMFPresentationDescriptor* presentationDesc, IMFStreamDescriptor *streamDesc);
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IMFTopologyNode* addOutputNode(IMFStreamDescriptor *streamDesc, MediaType& mediaType, IMFTopology* topology, DWORD sinkID);
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};
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#endif
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