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authoraxis <qt-info@nokia.com>2009-04-24 11:34:15 (GMT)
committeraxis <qt-info@nokia.com>2009-04-24 11:34:15 (GMT)
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treea17e1a767a89542ab59907462206d7dcf2e504b2 /src/3rdparty/phonon/qt7/audiograph.h
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Long live Qt for S60!
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+/* This file is part of the KDE project.
+
+ Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+ This library is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation, either version 2.1 or 3 of the License.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this library. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef Phonon_QT7_AUDIOGRAPH_H
+#define Phonon_QT7_AUDIOGRAPH_H
+
+#include <AudioToolbox/AudioToolbox.h>
+#include <AudioUnit/AudioUnit.h>
+
+#include <QtCore/qnamespace.h>
+#include "audioconnection.h"
+#include "medianode.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace Phonon
+{
+namespace QT7
+{
+ class AudioGraph : public MediaNode
+ {
+ public:
+ AudioGraph(MediaNode *root);
+ virtual ~AudioGraph();
+ AUGraph audioGraphRef();
+ void startAllOverFromScratch();
+
+ bool openAndInit();
+ void start();
+ void tryStartGraph();
+ void stop();
+ void prepare();
+ void rebuildGraph();
+ void update();
+ bool isRunning();
+ void setPaused(bool pause);
+ bool graphCannotPlay();
+ void rebuildGraphIfNeeded();
+ void updateStreamSpecifications();
+ void setStatusCannotPlay();
+ MediaNode *root();
+ void notify(const MediaNodeEvent *event, bool propagate = true);
+
+ private:
+ friend class MediaNode;
+ friend class AudioNode;
+
+ void deleteGraph();
+ bool updateStreamSpecificationRecursive(AudioConnection *connection);
+ void createAndConnectAuNodesRecursive(AudioConnection *connection);
+ bool createAudioUnitsRecursive(AudioConnection *connection);
+
+ void connectLate(AudioConnection *connection);
+ void disconnectLate(AudioConnection *connection);
+
+ int nodeCount();
+
+ bool m_initialized;
+ bool m_startedLogically;
+ bool m_rebuildLater;
+ bool m_graphCannotPlay;
+ bool m_paused;
+
+ AUGraph m_audioGraphRef;
+ MediaNode *m_root;
+ };
+
+}} // namespace Phonon::QT7
+
+QT_END_NAMESPACE
+
+#endif // Phonon_QT7_AUDIOGRAPH_H