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Diffstat (limited to 'src/plugins/gstreamer/mediaplayer/qgstreamerplayercontrol.h')
-rw-r--r-- | src/plugins/gstreamer/mediaplayer/qgstreamerplayercontrol.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/plugins/gstreamer/mediaplayer/qgstreamerplayercontrol.h b/src/plugins/gstreamer/mediaplayer/qgstreamerplayercontrol.h new file mode 100644 index 000000000..5a53a0713 --- /dev/null +++ b/src/plugins/gstreamer/mediaplayer/qgstreamerplayercontrol.h @@ -0,0 +1,157 @@ +/**************************************************************************** +** +** 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 |