" id="ref-for-dom-rtcrtpencodingparameters②">RTCRtpEncodingParameters</a></code> objects to one of the
values defined below.</p>
   <h2 class="heading settled" data-level="3" id="media-priority"><span class="secno">3. </span><span class="content">Extensions for media priority</span><a class="self-link" href="#media-priority"></a></h2>
   <h3 class="heading settled" data-level="3.1" id="rtc-priority-type"><span class="secno">3.1. </span><span class="content">RTCPriorityType Enum</span><a class="self-link" 