author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 03 May 2010 13:18:40 +0300 | |
changeset 4 | 90517678cc4f |
parent 1 | 2b40d63a9c3d |
child 5 | 453da2cfceef |
permissions | -rw-r--r-- |
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/**************************************************************************** |
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** |
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (qt-info@nokia.com) |
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** |
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** This file is part of the Qt Mobility Components. |
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** |
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** $QT_BEGIN_LICENSE:LGPL$ |
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** No Commercial Usage |
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** This file contains pre-release code and may not be distributed. |
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** You may use this file in accordance with the terms and conditions |
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** contained in the Technology Preview License Agreement accompanying |
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** this package. |
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** |
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** GNU Lesser General Public License Usage |
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** Alternatively, this file may be used under the terms of the GNU Lesser |
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** General Public License version 2.1 as published by the Free Software |
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** Foundation and appearing in the file LICENSE.LGPL included in the |
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** packaging of this file. Please review the following information to |
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** ensure the GNU Lesser General Public License version 2.1 requirements |
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at qt-info@nokia.com. |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** $QT_END_LICENSE$ |
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** |
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****************************************************************************/ |
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|
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#ifndef DIRECTSHOWPLAYERSERVICE_H |
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#define DIRECTSHOWPLAYERSERVICE_H |
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#include "../../src/multimedia/qmediaplayer.h" |
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#include "../../src/multimedia/qmediaresource.h" |
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#include "../../src/multimedia/qmediaservice.h" |
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#include "../../src/multimedia/qmediatimerange.h" |
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#include "directshoweventloop.h" |
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#include "directshowglobal.h" |
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#include <QtCore/qcoreevent.h> |
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#include <QtCore/qmutex.h> |
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#include <QtCore/qurl.h> |
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#include <QtCore/qwaitcondition.h> |
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class DirectShowAudioEndpointControl; |
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class DirectShowMetaDataControl; |
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class DirectShowPlayerControl; |
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class DirectShowVideoOutputControl; |
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class DirectShowVideoRendererControl; |
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class Vmr9VideoWindowControl; |
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QTM_BEGIN_NAMESPACE |
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class QMediaContent; |
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QTM_END_NAMESPACE |
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QTM_USE_NAMESPACE |
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class DirectShowPlayerService : public QMediaService |
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{ |
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Q_OBJECT |
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public: |
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enum StreamType |
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{ |
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AudioStream = 0x01, |
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VideoStream = 0x02 |
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}; |
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|
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DirectShowPlayerService(QObject *parent = 0); |
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~DirectShowPlayerService(); |
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QMediaControl* control(const char *name) const; |
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void load(const QMediaContent &media, QIODevice *stream); |
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void play(); |
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void pause(); |
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void stop(); |
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qint64 position() const; |
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QMediaTimeRange availablePlaybackRanges() const; |
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void seek(qint64 position); |
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void setRate(qreal rate); |
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int bufferStatus() const; |
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void setAudioOutput(IBaseFilter *filter); |
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void setVideoOutput(IBaseFilter *filter); |
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102 |
protected: |
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void customEvent(QEvent *event); |
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104 |
|
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private Q_SLOTS: |
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void videoOutputChanged(); |
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107 |
|
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108 |
private: |
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void releaseGraph(); |
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void updateStatus(); |
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111 |
|
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int findStreamTypes(IBaseFilter *source) const; |
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int findStreamType(IPin *pin) const; |
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114 |
|
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bool isConnected(IBaseFilter *filter, PIN_DIRECTION direction) const; |
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IBaseFilter *getConnected(IBaseFilter *filter, PIN_DIRECTION direction) const; |
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117 |
|
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void run(); |
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119 |
|
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void doSetUrlSource(QMutexLocker *locker); |
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void doSetStreamSource(QMutexLocker *locker); |
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void doRender(QMutexLocker *locker); |
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void doFinalizeLoad(QMutexLocker *locker); |
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void doSetRate(QMutexLocker *locker); |
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void doSeek(QMutexLocker *locker); |
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void doPlay(QMutexLocker *locker); |
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void doPause(QMutexLocker *locker); |
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void doStop(QMutexLocker *locker); |
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void doReleaseAudioOutput(QMutexLocker *locker); |
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void doReleaseVideoOutput(QMutexLocker *locker); |
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void doReleaseGraph(QMutexLocker *locker); |
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132 |
|
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void graphEvent(QMutexLocker *locker); |
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134 |
|
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135 |
enum Task |
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136 |
{ |
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Shutdown = 0x0001, |
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SetUrlSource = 0x0002, |
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SetStreamSource = 0x0004, |
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SetSource = SetUrlSource | SetStreamSource, |
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SetAudioOutput = 0x0008, |
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SetVideoOutput = 0x0010, |
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SetOutputs = SetAudioOutput | SetVideoOutput, |
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Render = 0x0020, |
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FinalizeLoad = 0x0040, |
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SetRate = 0x0080, |
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Seek = 0x0100, |
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Play = 0x0200, |
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Pause = 0x0400, |
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Stop = 0x0800, |
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ReleaseGraph = 0x1000, |
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ReleaseAudioOutput = 0x2000, |
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ReleaseVideoOutput = 0x4000, |
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154 |
ReleaseFilters = ReleaseGraph | ReleaseAudioOutput | ReleaseVideoOutput |
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155 |
}; |
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156 |
|
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157 |
enum Event |
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158 |
{ |
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FinalizedLoad = QEvent::User, |
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160 |
Error, |
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161 |
RateChange, |
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162 |
Started, |
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163 |
Paused, |
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164 |
DurationChange, |
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165 |
StatusChange, |
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166 |
EndOfMedia, |
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PositionChange |
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168 |
}; |
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169 |
|
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170 |
enum GraphStatus |
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171 |
{ |
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172 |
NoMedia, |
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173 |
Loading, |
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174 |
Loaded, |
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175 |
InvalidMedia |
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176 |
}; |
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177 |
|
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178 |
DirectShowPlayerControl *m_playerControl; |
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179 |
DirectShowMetaDataControl *m_metaDataControl; |
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180 |
DirectShowVideoOutputControl *m_videoOutputControl; |
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181 |
DirectShowVideoRendererControl *m_videoRendererControl; |
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182 |
Vmr9VideoWindowControl *m_videoWindowControl; |
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183 |
DirectShowAudioEndpointControl *m_audioEndpointControl; |
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184 |
|
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185 |
QThread *m_taskThread; |
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186 |
DirectShowEventLoop *m_loop; |
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187 |
int m_pendingTasks; |
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188 |
int m_executingTask; |
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189 |
int m_executedTasks; |
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190 |
HANDLE m_taskHandle; |
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191 |
HANDLE m_eventHandle; |
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192 |
GraphStatus m_graphStatus; |
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193 |
QMediaPlayer::Error m_error; |
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194 |
QIODevice *m_stream; |
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195 |
IFilterGraph2 *m_graph; |
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196 |
IBaseFilter *m_source; |
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197 |
IBaseFilter *m_audioOutput; |
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198 |
IBaseFilter *m_videoOutput; |
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199 |
int m_streamTypes; |
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200 |
qreal m_rate; |
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201 |
qint64 m_position; |
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202 |
qint64 m_duration; |
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203 |
bool m_buffering; |
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bool m_seekable; |
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bool m_atEnd; |
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QMediaTimeRange m_playbackRange; |
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QUrl m_url; |
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QMediaResourceList m_resources; |
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QString m_errorString; |
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QMutex m_mutex; |
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friend class DirectShowPlayerServiceThread; |
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}; |
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#endif |