You can configure visuals to notify the user that content is buffering.

Listen for AdobePSDK.PSDKEventType.BUFFERING_BEGIN and AdobePSDK.PSDKEventType.BUFFERING_END events. For example:

                        function (event) { 
                            buffering = true; 
                            // add buffering layer 
                        function (event) { 
                           buffering = false; 
                           // remove buffering layer 

The UI Framework provides default buffering overlay behavior implementation, which can be extended as shown below:

// Using UI Framework 
function myBufferingOverlayBehavior (element, configuration, player, localize, baseLog) { 
    return ptp.bufferingOverlayBehavior(element, configuration, player, localize, baseLog); 
var playerWrapper = ptp.videoPlayer('.videoDiv', { 
    player: { 
        mediaResource:'Specify Resource URL', 
        bufferingOverlay: { 
            behavior: myBufferingOverlayBehavior, 
            classNames: 'ptp-buffering-overlay my_buffering_overlay_bar' 

Here is what the result DOM looks like:

<div id=" videoDiv" class="ptp-root-element"> 
<div name="videoPlayer" value="videoPlayer" class="ptp-main-video-div-style"> 
<div name="bufferingOverlay" value="bufferingOverlay" class="ptp-buffering-overlay my_buffering_overlay_bar'"></div> 

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