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diff --git a/demos/mobile/quickhit/ga_src/GEAudioBuffer.h b/demos/mobile/quickhit/ga_src/GEAudioBuffer.h
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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef __GE_IGA_AUDIOBUFFER__
+#define __GE_IGA_AUDIOBUFFER__
+
+#include <QFile>
+#include "GEInterfaces.h"
+
+
+namespace GE {
+
+    class CAudioBufferPlayInstance;
+    class CAudioBuffer;         // forward declaration
+    typedef AUDIO_SAMPLE_TYPE(*SAMPLE_FUNCTION_TYPE)(CAudioBuffer *abuffer, int pos, int channel);
+
+    class CAudioBuffer {            // container for a sound
+    public:
+        CAudioBuffer();
+        virtual ~CAudioBuffer();
+
+        static CAudioBuffer* loadWav( QString fileName );
+        static CAudioBuffer* loadWav( FILE *wavFile );          // support for stdio
+        void reallocate( int length );
+
+
+        inline void* getRawData() { return m_data; }
+        inline int getDataLength() { return m_dataLength; }
+
+        inline int getBytesPerSample() { return (m_bitsPerSample>>3); }
+        inline int getBitsPerSample() { return m_bitsPerSample; }
+        inline int getSamplesPerSec() { return m_samplesPerSec; }
+        inline short getNofChannels() { return m_nofChannels; }
+        inline SAMPLE_FUNCTION_TYPE getSampleFunction() { return m_sampleFunction; }
+
+
+        // static implementations of sample functions
+        static AUDIO_SAMPLE_TYPE sampleFunction8bitMono( CAudioBuffer *abuffer, int pos, int channel );
+        static AUDIO_SAMPLE_TYPE sampleFunction16bitMono( CAudioBuffer *abuffer, int pos, int channel );
+        static AUDIO_SAMPLE_TYPE sampleFunction8bitStereo( CAudioBuffer *abuffer, int pos, int channel );
+        static AUDIO_SAMPLE_TYPE sampleFunction16bitStereo( CAudioBuffer *abuffer, int pos, int channel );
+
+        CAudioBufferPlayInstance *playWithMixer( GE::CAudioMixer &mixer );
+
+    protected:
+        SAMPLE_FUNCTION_TYPE m_sampleFunction;
+        short m_nofChannels;
+        void *m_data;
+        int m_dataLength;                // in bytes
+        short m_bitsPerSample;
+        bool m_signedData;
+        int m_samplesPerSec;
+    };
+
+
+
+    class CAudioBufferPlayInstance : public IAudioSource {
+    public:
+        CAudioBufferPlayInstance();
+        CAudioBufferPlayInstance( CAudioBuffer *start_playing );
+        virtual ~CAudioBufferPlayInstance();
+        void playBuffer( CAudioBuffer *startPlaying, float volume, float fixedSpeed, int loopTimes = 0 );            // looptimes -1 = loop forever
+
+        void setSpeed( float speed );
+        void setLeftVolume( float lvol );
+        void setRightVolume( float rvol );
+
+
+        inline void setLoopTimes( int ltimes ) { m_loopTimes = ltimes; }
+        void stop();
+
+
+
+        int pullAudio( AUDIO_SAMPLE_TYPE *target, int bufferLength );
+        bool canBeDestroyed();
+
+        bool isPlaying() { if (m_buffer) return true; else return false; }
+        inline bool isFinished() { return m_finished; }
+        inline bool destroyWhenFinished() { return m_destroyWhenFinished; }
+        inline void setDestroyWhenFinished( bool set ) { m_destroyWhenFinished = set; }
+
+    protected:
+        int mixBlock( AUDIO_SAMPLE_TYPE *target, int bufferLength );
+        bool m_finished;
+        bool m_destroyWhenFinished;
+        int m_fixedPos;
+        int m_fixedInc;
+
+        int m_fixedLeftVolume;
+        int m_fixedRightVolume;
+        int m_fixedCenter;
+        int m_loopTimes;
+        CAudioBuffer *m_buffer;
+    };
+
+};
+
+
+
+#endif