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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 AVFMEDIAPLAYERSESSION_H
#define AVFMEDIAPLAYERSESSION_H
#include <QtCore/QObject>
#include <QtCore/QByteArray>
#include <QtCore/QSet>
#include <QtCore/QResource>
#include <QtMultimedia/QMediaPlayerControl>
#include <QtMultimedia/QMediaPlayer>
QT_BEGIN_NAMESPACE
class AVFMediaPlayerService;
class AVFVideoOutput;
class AVFMediaPlayerSession : public QObject
{
Q_OBJECT
public:
AVFMediaPlayerSession(AVFMediaPlayerService *service, QObject *parent = 0);
virtual ~AVFMediaPlayerSession();
void setVideoOutput(AVFVideoOutput *output);
void *currentAssetHandle();
QMediaPlayer::State state() const;
QMediaPlayer::MediaStatus mediaStatus() const;
QMediaContent media() const;
const QIODevice *mediaStream() const;
void setMedia(const QMediaContent &content, QIODevice *stream);
qint64 position() const;
qint64 duration() const;
int bufferStatus() const;
int volume() const;
bool isMuted() const;
bool isAudioAvailable() const;
bool isVideoAvailable() const;
bool isSeekable() const;
QMediaTimeRange availablePlaybackRanges() const;
qreal playbackRate() const;
public Q_SLOTS:
void setPlaybackRate(qreal rate);
void setPosition(qint64 pos);
void play();
void pause();
void stop();
void setVolume(int volume);
void setMuted(bool muted);
void processEOS();
void processLoadStateChange(QMediaPlayer::State newState);
void processPositionChange();
void processMediaLoadError();
void processLoadStateChange();
void processLoadStateFailure();
Q_SIGNALS:
void positionChanged(qint64 position);
void durationChanged(qint64 duration);
void stateChanged(QMediaPlayer::State newState);
void mediaStatusChanged(QMediaPlayer::MediaStatus status);
void volumeChanged(int volume);
void mutedChanged(bool muted);
void audioAvailableChanged(bool audioAvailable);
void videoAvailableChanged(bool videoAvailable);
void playbackRateChanged(qreal rate);
void seekableChanged(bool seekable);
void error(int error, const QString &errorString);
private:
class ResourceHandler {
public:
ResourceHandler():resource(0) {}
~ResourceHandler() { clear(); }
void setResourceFile(const QString &file) {
if (resource) {
if (resource->fileName() == file)
return;
delete resource;
rawData.clear();
}
resource = new QResource(file);
}
bool isValid() const { return resource && resource->isValid() && resource->data() != 0; }
const uchar *data() {
if (!isValid())
return 0;
if (resource->isCompressed()) {
if (rawData.size() == 0)
rawData = qUncompress(resource->data(), resource->size());
return (const uchar *)rawData.constData();
}
return resource->data();
}
qint64 size() {
if (data() == 0)
return 0;
return resource->isCompressed() ? rawData.size() : resource->size();
}
void clear() {
delete resource;
rawData.clear();
}
QResource *resource;
QByteArray rawData;
};
void setAudioAvailable(bool available);
void setVideoAvailable(bool available);
void setSeekable(bool seekable);
AVFMediaPlayerService *m_service;
AVFVideoOutput *m_videoOutput;
QMediaPlayer::State m_state;
QMediaPlayer::MediaStatus m_mediaStatus;
QIODevice *m_mediaStream;
QMediaContent m_resources;
ResourceHandler m_resourceHandler;
bool m_muted;
bool m_tryingAsync;
int m_volume;
qreal m_rate;
qint64 m_requestedPosition;
qint64 m_duration;
bool m_videoAvailable;
bool m_audioAvailable;
bool m_seekable;
void *m_observer;
};
QT_END_NAMESPACE
#endif // AVFMEDIAPLAYERSESSION_H
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