src/3rdparty/phonon/qt7/mediaobjectaudionode.h
changeset 0 1918ee327afb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/3rdparty/phonon/qt7/mediaobjectaudionode.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,75 @@
+/*  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_MEDIAOBJECTAUDIONODE_H
+#define Phonon_QT7_MEDIAOBJECTAUDIONODE_H
+
+#include <QtCore/qnamespace.h>
+#include "audionode.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace Phonon
+{
+namespace QT7
+{
+    class QuickTimeAudioPlayer;
+    class AudioMixerAudioNode;
+    class AudioConnection;
+
+    class MediaObjectAudioNode : public AudioNode
+    {
+        public:
+            MediaObjectAudioNode(QuickTimeAudioPlayer *player1, QuickTimeAudioPlayer *player2);
+            ~MediaObjectAudioNode();
+
+            // Overridden section from AudioNode:
+            void createAndConnectAUNodes();
+            void createAudioUnits();
+            void setGraph(AudioGraph *audioGraph);
+            AUNode getOutputAUNode();
+            bool fillInStreamSpecification(AudioConnection *connection, ConnectionSide side);
+            bool setStreamSpecification(AudioConnection *connection, ConnectionSide side);
+
+            void startCrossFade(qint64 duration);
+            void updateCrossFade(qint64 currentTime);
+            void cancelCrossFade();
+            void setMute(bool mute);
+            bool isCrossFading();
+
+            QuickTimeAudioPlayer *m_player1;
+            QuickTimeAudioPlayer *m_player2;
+            AudioMixerAudioNode *m_mixer;
+
+            AudioConnection *m_connection1;
+            AudioConnection *m_connection2;
+
+            float m_fadeDuration;
+            float m_volume1;
+            float m_volume2;
+            float m_mute;
+
+            float applyCurve(float volume);
+            void updateVolume();
+
+            void mediaNodeEvent(const MediaNodeEvent *event);
+    };
+
+}} //namespace Phonon::QT7
+
+QT_END_NAMESPACE
+#endif // Phonon_QT7_MEDIAOBJECTAUDIONODE_H