QML Video Shader Effects Example

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import QtQuick 2.1
import QtQuick.Window 2.1

Effect {
    parameters: ListModel {
        ListElement {
            name: "Amplitude"
            value: 0.5
        }
        ListElement {
            name: "Frequency"
            value: 0.5
        }
        onDataChanged: updateParameters()
    }

    function updateParameters()
    {
        amplitude = parameters.get(0).value * 0.03;
        n = parameters.get(1).value * 7;
    }

    // Transform slider values, and bind result to shader uniforms
    property real amplitude: 0.5 * 0.03
    property real n: 0.5 * 7
    property real pixDens: Screen.pixelDensity

    property real time: 0
    NumberAnimation on time { loops: Animation.Infinite; from: 0; to: Math.PI * 2; duration: 600 }

    fragmentShaderFilename: "ripple.fsh"
}