src/3rdparty/phonon/qt7/audiograph.h
changeset 0 1918ee327afb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/3rdparty/phonon/qt7/audiograph.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,86 @@
+/*  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