Multimedia; Add directshow backend

1 files changed, 208 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..3a01889
--- /dev/null
+++ b/src/plugins/mediaservices/directshow/mediaplayer/directshowplayerservice.h
@@ -0,0 +1,208 @@
+/****************************************************************************
+**
+** 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();
+    void graphEvent(HANDLE handle);
+
+private:
+    void updateStatus();
+
+    int findStreamTypes(IBaseFilter *source) const;
+    int findStreamType(IPin *pin) const;
+
+    void removeOutput(IBaseFilter *output);
+    IBaseFilter *findChainStart(IBaseFilter *end) const;
+    bool isConnected(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 doUpdateDuration(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,
+        UpdateDuration  = 0x1000
+    };
+
+    enum Event
+    {
+        FinalizedLoad = QEvent::User,
+        Error,
+        RateChange,
+        Started,
+        Paused,
+        DurationChange
+    };
+
+    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;
+    int m_pendingTasks;
+    int m_executingTask;
+    int m_executedTasks;
+    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;
+    QMediaTimeRange m_playbackRange;
+    QUrl m_url;
+    QMediaResourceList m_resources;
+    QMutex m_mutex;
+    QWaitCondition m_wait;
+    QWinEventNotifier m_graphEventNotifier;
+    DirectShowEventLoop m_loop;
+
+    friend class DirectShowPlayerServiceThread;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif