diff options
Diffstat (limited to 'src/plugins/mediaservices/directshow/mediaplayer/directshowplayerservice.h')
| -rw-r--r-- | src/plugins/mediaservices/directshow/mediaplayer/directshowplayerservice.h | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/src/plugins/mediaservices/directshow/mediaplayer/directshowplayerservice.h b/src/plugins/mediaservices/directshow/mediaplayer/directshowplayerservice.h new file mode 100644 index 0000000..a5da9a4 --- /dev/null +++ b/src/plugins/mediaservices/directshow/mediaplayer/directshowplayerservice.h @@ -0,0 +1,220 @@ +/**************************************************************************** +** +** 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 <QtMultimedia/qmediaplayer.h> +#include <QtMultimedia/qmediaresource.h> +#include <QtMultimedia/qmediaservice.h> +#include <QtMultimedia/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 + }; + + 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 |