Track quality of experience on Roku

The following instructions provide guidance for implementation across all 2.x SDKs.

IMPORTANT

If you are implementing a 1.x version of the SDK, you can download the 1.x Developers Guides here: Download SDKs.

Implemement QOS

  1. Identify when the bitrate changes during media playback, and use the mediaUpdateQoS API to update the QoS info on the Media SDK.

    QoSObject variables:

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    These variables are only required if you are tracking QoS.

    Variable Description Required
    bitrate Current bitrate Yes
    startupTime Startup time Yes
    fps FPS value Yes
    droppedFrames Number of dropped frames Yes

    For example:

    bitrate = 200000
    fps = 0
    droppedFrames = 1
    startupTime = 2
    qosinfo = adb_media_init_qosinfo(bitrate, startupTime, fps, droppedFrames)
    
    ADBMobile().mediaUpdateQoS(qosinfo)
    
  2. When playback switches bitrates, call trackEvent(BitrateChange) to notify the Media SDK that the Bitrate changed.

    ADBMobile().mediaTrackEvent(ADBMobile().MEDIA_BITRATE_CHANGE)
    
    NOTE

    You need to call updateQoSObject with the updated bitrate value.

  3. When the media player encounters an error, and the error event is available to the player API, use trackError() to capture the error information. (See Overview.)

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    Tracking media player errors will not stop the media tracking session. If the media player error prevents the playback from continuing, make sure that the media tracking session is closed by calling trackSessionEnd() after calling trackError().

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