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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 QGSTREAMERPLAYERCONTROL_H
+#define QGSTREAMERPLAYERCONTROL_H
+
+#include <QtCore/qobject.h>
+#include <QtCore/qstack.h>
+
+#include <qmediaplayercontrol.h>
+#include <qmediaplayer.h>
+
+#include <limits.h>
+
+QT_BEGIN_NAMESPACE
+class QMediaPlaylist;
+class QMediaPlaylistNavigator;
+class QSocketNotifier;
+QT_END_NAMESPACE
+
+QT_USE_NAMESPACE
+
+class QGstreamerPlayerSession;
+class QGstreamerPlayerService;
+class PlayerResourcePolicy;
+
+class QGstreamerPlayerControl : public QMediaPlayerControl
+{
+ Q_OBJECT
+ Q_PROPERTY(bool mediaDownloadEnabled READ isMediaDownloadEnabled WRITE setMediaDownloadEnabled)
+
+public:
+ QGstreamerPlayerControl(QGstreamerPlayerSession *session, QObject *parent = 0);
+ ~QGstreamerPlayerControl();
+
+ QMediaPlayer::State state() const;
+ QMediaPlayer::MediaStatus mediaStatus() const;
+
+ qint64 position() const;
+ qint64 duration() const;
+
+ int bufferStatus() const;
+
+ int volume() const;
+ bool isMuted() const;
+
+ bool isAudioAvailable() const;
+ bool isVideoAvailable() const;
+ void setVideoOutput(QObject *output);
+
+ bool isSeekable() const;
+ QMediaTimeRange availablePlaybackRanges() const;
+
+ qreal playbackRate() const;
+ void setPlaybackRate(qreal rate);
+
+ QMediaContent media() const;
+ const QIODevice *mediaStream() const;
+ void setMedia(const QMediaContent&, QIODevice *);
+
+ bool isMediaDownloadEnabled() const;
+ void setMediaDownloadEnabled(bool enabled);
+
+public Q_SLOTS:
+ void setPosition(qint64 pos);
+
+ void play();
+ void pause();
+ void stop();
+
+ void setVolume(int volume);
+ void setMuted(bool muted);
+
+private Q_SLOTS:
+ void writeFifo();
+ void fifoReadyWrite(int socket);
+
+ void updateSessionState(QMediaPlayer::State state);
+ void updateMediaStatus();
+ void processEOS();
+ void setBufferProgress(int progress);
+ void applyPendingSeek(bool isSeekable);
+
+ void handleInvalidMedia();
+
+ void handleResourcesGranted();
+ void handleResourcesLost();
+
+private:
+ bool openFifo();
+ void closeFifo();
+ void playOrPause(QMediaPlayer::State state);
+
+ void pushState();
+ void popAndNotifyState();
+
+ bool m_ownStream;
+ QGstreamerPlayerSession *m_session;
+ QMediaPlayer::State m_state;
+ QMediaPlayer::MediaStatus m_mediaStatus;
+ QStack<QMediaPlayer::State> m_stateStack;
+ QStack<QMediaPlayer::MediaStatus> m_mediaStatusStack;
+
+ int m_bufferProgress;
+ bool m_seekToStartPending;
+ qint64 m_pendingSeekPosition;
+ QMediaContent m_currentResource;
+ QIODevice *m_stream;
+ QSocketNotifier *m_fifoNotifier;
+ int m_fifoFd[2];
+ bool m_fifoCanWrite;
+ int m_bufferSize;
+ int m_bufferOffset;
+ char m_buffer[PIPE_BUF];
+
+ PlayerResourcePolicy *m_resources;
+};
+
+#endif