| /* 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 |