Toggling smoothing on a Spark VideoPlayer object in Flex 4

The following example shows how you can toggle smoothing on a Spark VideoPlayer object in Flex 4 by setting the Boolean smoothing property on the VideoPlayer object’s internal videoObject property.

Full code after the jump.

The following example(s) require Flash Player 10 and the Adobe Flex 4 SDK. To download the Adobe Flash Builder 4 trial, see To download the latest nightly build of the Flex 4 SDK, see

For more information on getting started with Flex 4 and Flash Builder 4, see the official Adobe Flex Team blog.

<?xml version="1.0" encoding="utf-8"?>
<!-- -->
<s:Application name="Spark_VideoPlayer_VideoElement_videoObject_smoothing_test"
            private function checkBox_change(evt:Event):void {
                videoPlayer.videoElement.videoObject.smoothing = checkBox.selected;
    <s:CheckBox id="checkBox"
            change="checkBox_change(event);" />
    <s:Panel id="panel"
        <s:VideoPlayer id="videoPlayer"
                muted="true" />

View source is enabled in the following example.

This entry is based on a beta version of the Flex 4 SDK and therefore is very likely to change as development of the Flex SDK continues. The API can (and will) change causing examples to possibly not compile in newer versions of the Flex 4 SDK.

One thought on “Toggling smoothing on a Spark VideoPlayer object in Flex 4

  1. Shouldn’t it be
    videoPlayer.videoObject.smoothing = checkBox.selected;

    in stead of

    videoPlayer.videoElement.videoObject.smoothing = checkBox.selected;

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