- Qt 5.3
- Qt Multimedia
- AudioEngine Example
- MyAudioEngine.qml Example File
- Qt 5.3.2 Reference Documentation

# MyAudioEngine.qml Example File

audioengine/qml/content/MyAudioEngine.qml

    /****************************************************************************
     **
     ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
     ** Contact: http://www.qt-project.org/legal
     **
     ** This file is part of the examples 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
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     **     notice, this list of conditions and the following disclaimer in
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     **     of its contributors may be used to endorse or promote products derived
     **     from this software without specific prior written permission.
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    import QtAudioEngine 1.0
    import QtQuick 2.0

    AudioEngine {

        AudioCategory {
            name:"sfx"
            volume: 1
        }

        AudioCategory {
            name:"music"
            volume: 1
        }

        AttenuationModelInverse {
           name:"default"
           start: 20
           end: 1000
           rolloff: 1
        }

        AttenuationModelLinear {
           name:"shipengine"
           start: 20
           end: 180
        }

        AudioSample {
            name:"fire"
            source: "fire-03-loop.wav"
            preloaded:true
        }

        AudioSample {
            name:"explosion"
            source: "explosion-02.wav"
        }
        AudioSample {
            name:"lava"
            source: "lava-bubbling-01.wav"
        }
        AudioSample {
            name:"water"
            source: "running-water-01.wav"
        }
        Sound {
            name:"shipengine"
            attenuationModel:"shipengine"
            category:"sfx"
            PlayVariation {
                looping:true
                sample:"fire"
                maxGain:0.9
                minGain:0.8
            }
        }

        Sound {
            name:"effects"
            category:"sfx"
            PlayVariation {
                sample:"lava"
                maxGain:1.5
                minGain:1.2
                maxPitch:2.0
                minPitch:0.5
            }
            PlayVariation {
                sample:"explosion"
                maxGain:1.1
                minGain:0.7
                maxPitch:1.5
                minPitch:0.5
            }
            PlayVariation {
                sample:"water"
                maxGain:1.5
                minGain:1.2
            }
        }

        dopplerFactor: 1
        speedOfSound: 343.33

        listener.up:"0,0,1"
        listener.position:"0,0,0"
        listener.velocity:"0,0,0"
        listener.direction:"0,1,0"
    }