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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the plugins 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 DIRECTSHOWPLAYERSERVICE_H
#define DIRECTSHOWPLAYERSERVICE_H
#include <QtMediaServices/qmediaplayer.h>
#include <QtMediaServices/qmediaresource.h>
#include <QtMediaServices/qmediaservice.h>
#include <QtMediaServices/qmediatimerange.h>
#include "directshoweventloop.h"
#include "directshowglobal.h"
#include <QtCore/qcoreevent.h>
#include <QtCore/qmutex.h>
#include <QtCore/qurl.h>
#include <QtCore/qwaitcondition.h>
#include <QtCore/private/qwineventnotifier_p.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class DirectShowAudioEndpointControl;
class DirectShowMetaDataControl;
class DirectShowPlayerControl;
class DirectShowVideoOutputControl;
class DirectShowVideoRendererControl;
class Vmr9VideoWindowControl;
class DirectShowPlayerService : public QMediaService
{
Q_OBJECT
public:
enum StreamType
{
AudioStream = 0x01,
VideoStream = 0x02
};
DirectShowPlayerService(QObject *parent = 0);
~DirectShowPlayerService();
QMediaControl* control(const char *name) const;
void load(const QMediaContent &media, QIODevice *stream);
void play();
void pause();
void stop();
qint64 position() const;
QMediaTimeRange availablePlaybackRanges() const;
void seek(qint64 position);
void setRate(qreal rate);
int bufferStatus() const;
void setAudioOutput(IBaseFilter *filter);
void setVideoOutput(IBaseFilter *filter);
protected:
void customEvent(QEvent *event);
private Q_SLOTS:
void videoOutputChanged();
private:
void releaseGraph();
void updateStatus();
int findStreamTypes(IBaseFilter *source) const;
int findStreamType(IPin *pin) const;
bool isConnected(IBaseFilter *filter, PIN_DIRECTION direction) const;
IBaseFilter *getConnected(IBaseFilter *filter, PIN_DIRECTION direction) const;
void run();
void doSetUrlSource(QMutexLocker *locker);
void doSetStreamSource(QMutexLocker *locker);
void doRender(QMutexLocker *locker);
void doFinalizeLoad(QMutexLocker *locker);
void doSetRate(QMutexLocker *locker);
void doSeek(QMutexLocker *locker);
void doPlay(QMutexLocker *locker);
void doPause(QMutexLocker *locker);
void doStop(QMutexLocker *locker);
void doReleaseAudioOutput(QMutexLocker *locker);
void doReleaseVideoOutput(QMutexLocker *locker);
void doReleaseGraph(QMutexLocker *locker);
void graphEvent(QMutexLocker *locker);
enum Task
{
Shutdown = 0x0001,
SetUrlSource = 0x0002,
SetStreamSource = 0x0004,
SetSource = SetUrlSource | SetStreamSource,
SetAudioOutput = 0x0008,
SetVideoOutput = 0x0010,
SetOutputs = SetAudioOutput | SetVideoOutput,
Render = 0x0020,
FinalizeLoad = 0x0040,
SetRate = 0x0080,
Seek = 0x0100,
Play = 0x0200,
Pause = 0x0400,
Stop = 0x0800,
ReleaseGraph = 0x1000,
ReleaseAudioOutput = 0x2000,
ReleaseVideoOutput = 0x4000,
ReleaseFilters = ReleaseGraph | ReleaseAudioOutput | ReleaseVideoOutput
};
enum Event
{
FinalizedLoad = QEvent::User,
Error,
RateChange,
Started,
Paused,
DurationChange,
StatusChange,
EndOfMedia,
PositionChange,
VideoOutputChange
};
enum GraphStatus
{
NoMedia,
Loading,
Loaded,
InvalidMedia
};
DirectShowPlayerControl *m_playerControl;
DirectShowMetaDataControl *m_metaDataControl;
DirectShowVideoOutputControl *m_videoOutputControl;
DirectShowVideoRendererControl *m_videoRendererControl;
Vmr9VideoWindowControl *m_videoWindowControl;
DirectShowAudioEndpointControl *m_audioEndpointControl;
QThread *m_taskThread;
DirectShowEventLoop *m_loop;
int m_pendingTasks;
int m_executingTask;
int m_executedTasks;
HANDLE m_taskHandle;
HANDLE m_eventHandle;
GraphStatus m_graphStatus;
QMediaPlayer::Error m_error;
QIODevice *m_stream;
IFilterGraph2 *m_graph;
IBaseFilter *m_source;
IBaseFilter *m_audioOutput;
IBaseFilter *m_videoOutput;
int m_streamTypes;
qreal m_rate;
qint64 m_position;
qint64 m_duration;
bool m_buffering;
bool m_seekable;
bool m_atEnd;
QMediaTimeRange m_playbackRange;
QUrl m_url;
QMediaResourceList m_resources;
QString m_errorString;
QMutex m_mutex;
friend class DirectShowPlayerServiceThread;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif
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