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/* This file is part of the KDE project.
Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
This library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2.1 or 3 of the License.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef PHONON_MMF_ABSTRACTMEDIAPLAYER_H
#define PHONON_MMF_ABSTRACTMEDIAPLAYER_H
#include <QTimer>
#include <QScopedPointer>
#include <e32std.h>
#include "abstractplayer.h"
class RFile;
QT_BEGIN_NAMESPACE
namespace Phonon
{
namespace MMF
{
class AudioOutput;
class MediaObject;
/**
* Interface via which MMF client APIs for both audio and video can be
* accessed.
*/
class AbstractMediaPlayer : public AbstractPlayer
{
Q_OBJECT
protected:
AbstractMediaPlayer(MediaObject *parent, const AbstractPlayer *player);
public:
virtual void open();
// MediaObjectInterface
virtual void play();
virtual void pause();
virtual void stop();
virtual void seek(qint64 milliseconds);
virtual bool isSeekable() const;
virtual void volumeChanged(qreal volume);
protected:
// AbstractPlayer
virtual void doSetTickInterval(qint32 interval);
virtual Phonon::State phononState(PrivateState state) const;
virtual void changeState(PrivateState newState);
virtual void doPlay() = 0;
virtual void doPause() = 0;
virtual void doStop() = 0;
virtual void doSeek(qint64 pos) = 0;
virtual int setDeviceVolume(int mmfVolume) = 0;
virtual int openFile(RFile& file) = 0;
virtual int openUrl(const QString& url) = 0;
virtual int openDescriptor(const TDesC8 &des) = 0;
virtual int bufferStatus() const = 0;
void updateMetaData();
virtual int numberOfMetaDataEntries() const = 0;
virtual QPair<QString, QString> metaDataEntry(int index) const = 0;
protected:
void bufferingStarted();
void bufferingComplete();
void maxVolumeChanged(int maxVolume);
void loadingComplete(int error);
void playbackComplete(int error);
static qint64 toMilliSeconds(const TTimeIntervalMicroSeconds &);
private:
void startPositionTimer();
void stopPositionTimer();
void startBufferStatusTimer();
void stopBufferStatusTimer();
void stopTimers();
void doVolumeChanged();
void emitMarksIfReached(qint64 position);
void resetMarksIfRewound();
void startPlayback();
enum Pending {
NothingPending,
PausePending,
PlayPending
};
void setPending(Pending pending);
private Q_SLOTS:
void positionTick();
void bufferStatusTick();
private:
MediaObject *const m_parent;
Pending m_pending;
QScopedPointer<QTimer> m_positionTimer;
QScopedPointer<QTimer> m_bufferStatusTimer;
PrivateState m_stateBeforeBuffering;
int m_mmfMaxVolume;
bool m_prefinishMarkSent;
bool m_aboutToFinishSent;
// Used for playback of resource files
TPtrC8 m_buffer;
QMultiMap<QString, QString> m_metaData;
};
}
}
QT_END_NAMESPACE
#endif
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