Use addTransceiver and if failing, fall back to offerToReceiveVideo

web-platform-tests · Nov 4, 2018 · c3be323 · c3be323
1 parent ead3edf
commit c3be323
Show file tree

Hide file tree

Showing 2 changed files with 12 additions and 2 deletions.
diff --git a/webrtc/RTCPeerConnection-helper.js b/webrtc/RTCPeerConnection-helper.js
@@ -160,6 +160,16 @@ function generateOffer(options={}) {
   });
 }
 
+async function generateVideoReceiveOnlyOffer(pc)
+{
+    try {
+        pc.addTransceiver('video', { direction: 'recvonly' });
+        return pc.createOffer();
+    } catch(e) {
+        return pc.createOffer({ offerToReceiveVideo: true });
+    }
+}
+
 // Helper function to generate answer based on given offer using a freshly
 // created RTCPeerConnection object
 function generateAnswer(offer) {

diff --git a/webrtc/no-media-call.html b/webrtc/no-media-call.html
@@ -17,6 +17,7 @@ <h2>iceConnectionState info</h2>
   <!-- These files are in place when executing on W3C. -->
   <script src="/resources/testharness.js"></script>
   <script src="/resources/testharnessreport.js"></script>
+  <script src="/webrtc/RTCPeerConnection-helper.js"></script>
   <script type="text/javascript">
   var test = async_test('Can set up a basic WebRTC call with no data.');
 
@@ -125,8 +126,7 @@ <h2>iceConnectionState info</h2>
 
     // The offerToReceiveVideo is necessary and sufficient to make
     // an actual connection.
-    gFirstConnection.addTransceiver('video', { direction: 'recvonly' });
-    gFirstConnection.createOffer()
+    generateVideoReceiveOnlyOffer(gFirstConnection)
       .then(onOfferCreated, failed('createOffer'));
   });
 </script>