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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef DIRECTSHOWPLAYERCONTROL_H
#define DIRECTSHOWPLAYERCONTROL_H
#include <dshow.h>
#include "qmediacontent.h"
#include "qmediaplayercontrol.h"
#include <QtCore/qcoreevent.h>
#include "directshowplayerservice.h"
QT_BEGIN_NAMESPACE
class DirectShowPlayerControl : public QMediaPlayerControl
{
Q_OBJECT
public:
DirectShowPlayerControl(DirectShowPlayerService *service, QObject *parent = 0);
~DirectShowPlayerControl();
QMediaPlayer::State state() const;
QMediaPlayer::MediaStatus mediaStatus() const;
qint64 duration() const;
qint64 position() const;
void setPosition(qint64 position);
int volume() const;
void setVolume(int volume);
bool isMuted() const;
void setMuted(bool muted);
int bufferStatus() const;
bool isAudioAvailable() const;
bool isVideoAvailable() const;
bool isSeekable() const;
QMediaTimeRange availablePlaybackRanges() const;
qreal playbackRate() const;
void setPlaybackRate(qreal rate);
QMediaContent media() const;
const QIODevice *mediaStream() const;
void setMedia(const QMediaContent &media, QIODevice *stream);
void play();
void pause();
void stop();
void updateState(QMediaPlayer::State state);
void updateStatus(QMediaPlayer::MediaStatus status);
void updateMediaInfo(qint64 duration, int streamTypes, bool seekable);
void updatePlaybackRate(qreal rate);
void updateAudioOutput(IBaseFilter *filter);
void updateError(QMediaPlayer::Error error, const QString &errorString);
void updatePosition(qint64 position);
protected:
void customEvent(QEvent *event);
private:
enum Properties
{
StateProperty = 0x01,
StatusProperty = 0x02,
StreamTypesProperty = 0x04,
DurationProperty = 0x08,
PlaybackRateProperty = 0x10,
SeekableProperty = 0x20,
ErrorProperty = 0x40,
PositionProperty = 0x80
};
enum Event
{
PropertiesChanged = QEvent::User
};
void playOrPause(QMediaPlayer::State state);
void scheduleUpdate(int properties);
void emitPropertyChanges();
void setVolumeHelper(int volume);
DirectShowPlayerService *m_service;
IBasicAudio *m_audio;
QIODevice *m_stream;
int m_updateProperties;
QMediaPlayer::State m_state;
QMediaPlayer::MediaStatus m_status;
QMediaPlayer::Error m_error;
int m_streamTypes;
int m_volume;
bool m_muted;
qint64 m_emitPosition;
qint64 m_pendingPosition;
qint64 m_duration;
qreal m_playbackRate;
bool m_seekable;
QMediaContent m_media;
QString m_errorString;
};
QT_END_NAMESPACE
#endif
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