src/3rdparty/phonon/qt7/audionode.h
changeset 0 1918ee327afb
child 30 5dc02b23752f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/3rdparty/phonon/qt7/audionode.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_AudioNode_H
+#define Phonon_QT7_AudioNode_H
+
+#include <QtCore/QObject>
+#include "backendheader.h"
+#include "audioconnection.h"
+#include <AudioToolbox/AudioToolbox.h>
+#include <AudioUnit/AudioUnit.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Phonon
+{
+namespace QT7
+{
+    class AudioGraph;
+    class MediaNodeEvent;
+    class MediaNode;
+
+    class MediaNodeConnection{
+        MediaNode *source;
+        MediaNode *sink;
+        int inputPort;
+        int outputPort;
+    };
+
+    class AudioNode
+    {
+        public:
+            enum ConnectionSide {Source, Sink};
+
+            AudioNode(int maxInput, int maxOutput);
+            virtual ~AudioNode();
+
+            virtual void createAndConnectAUNodes();
+            virtual void createAudioUnits();
+            virtual void setGraph(AudioGraph *audioGraph);
+            virtual AUNode getInputAUNode();
+            virtual AUNode getOutputAUNode();
+            virtual bool fillInStreamSpecification(AudioConnection *connection, ConnectionSide side);
+            virtual bool setStreamSpecification(AudioConnection *connection, ConnectionSide side);
+            void notify(const MediaNodeEvent *event);
+
+            virtual void mediaNodeEvent(const MediaNodeEvent *event);
+            Float64 getTimeInSamples(int timeProperty);
+            
+            AudioGraph *m_audioGraph;    
+            AudioConnection *m_lastConnectionIn;
+
+            int m_maxInputBusses;
+            int m_maxOutputBusses;
+
+        protected:
+	        AUNode m_auNode;
+            AudioUnit m_audioUnit;
+
+            // Only the following methods needs to
+            // be overidden by only_one-audio-unit nodes:
+            virtual ComponentDescription getAudioNodeDescription() const;
+            virtual void initializeAudioUnit();
+
+        private:
+            bool setStreamHelp(AudioConnection *c, int bus, OSType scope, bool fromSource);
+    };
+}} // namespace Phonon::QT7
+
+QT_END_NAMESPACE
+
+#endif // Phonon_QT7_AudioNode_H