[webrtc] No hardware acceleration for a camera view on imx6

import QtQuick 2.0
import QtQuick.Window 2.0
import QtWebEngine 1.1

Window {
    width: 1024
    height: 750
    visible: true

    WebEngineView {
        id: view
        anchors.fill: parent
        url: "https://webrtc.github.io/samples/"

        profile: WebEngineProfile {
            Component.onCompleted:  console.info(httpUserAgent)
        }

        onFeaturePermissionRequested: {
            console.log("onFeaturePermissionRequested");
            view.grantFeaturePermission(securityOrigin, feature, true);
        }

        onNewViewRequested: {
            console.log("onNewViewRequested");
            request.openIn(view)
        }
    }
}

gst-launch-1.0 v4l2src ! image/jpeg,width=1920,height=1080,framerate=30/1 ! imxvpudec ! imxipuvideosink