Skip to main content
Version: 4.12.7

How to programmatically detect video track qualities

This article describes how you can use the API to detect video track qualities.

The VideoTrack API, which is a sub-API of the MediaTrack API, can be used to implement this functionality. Implementing this functionality is a common use-case for developers who want to build their own UI to visualize the available video track qualities.

SDKs​

Web SDKAndroid SDKiOS SDKtvOS SDKAndroid TV SDKChromecast SDK
YesYesNoNoYesYes

Code examples​

The code examples below how to implement the detection of video track qualities across SDK.

Web SDK​

The Web SDK leverages the MediaTrack API.

function handleAddTrackEvent(addTrackEvent) {
  var videoTrackQualities = addTrackEvent.track.qualities;
}
player.videoTracks.addEventListener('addtrack', handleAddTrackEvent);
Android (TV) SDK​

The Android SDK leverages the MediaTrack API.

EventListener<AddTrackEvent> handleAddTrackEvent = new EventListener<AddTrackEvent>() {
    @Override
    public void handleEvent(AddTrackEvent addTrackEvent) {
        QualityList videoTrackQualities = addTrackEvent.getTrack().getQualities();
    }
};
tpv.getPlayer().getVideoTracks().addEventListener(VideoTrackListEventTypes.ADDTRACK, handleAddTrackEvent);
iOS (/tvOS) SDK​

Currently not available due to iOS limitations.

Remarks​