use RTCEncodedVideoFrameType

Author: fippo

index.bs

@@ -382,6 +382,15 @@ interface RTCEncodedVideoFrame {
 <dl data-link-for="RTCEncodedVideoFrame"
         data-dfn-for="RTCEncodedVideoFrame"
         class="dictionary-members">
+    <dt>
+        <dfn>type</dfn> of type <span class="idlMemberType">RTCEncodedVideoFrameType</span>
+    </dt>
+    <dd>
+        <p>
+            The type attribute allows the application to determine when a key frame is being
+            sent or received.
+        </p>
+    </dd>
     <dt>
         <dfn>timestamp</dfn> of type <span class="idlMemberType">unsigned long</span>
     </dt>