1 files changed, 85 insertions, 0 deletions
diff --git a/dom/media/tests/mochitest/test_peerConnection_scaleResolution.html b/dom/media/tests/mochitest/test_peerConnection_scaleResolution.html
new file mode 100644
index 000000000..ec83780b8
--- /dev/null
+++ b/dom/media/tests/mochitest/test_peerConnection_scaleResolution.html
@@ -0,0 +1,85 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <script type="application/javascript" src="pc.js"></script>
+</head>
+<body>
+<pre id="test">
+<script type="application/javascript;version=1.8">
+  createHTML({
+    bug: "1244913",
+    title: "Scale resolution down on a PeerConnection",
+    visible: true
+  });
+
+  var mustRejectWith = (msg, reason, f) =>
+    f().then(() => ok(false, msg),
+             e => is(e.name, reason, msg));
+
+  var removeAllButCodec = (d, codec) =>
+    (d.sdp = d.sdp.replace(/m=video (\w) UDP\/TLS\/RTP\/SAVPF \w.*\r\n/,
+                           "m=video $1 UDP/TLS/RTP/SAVPF " + codec + "\r\n"), d);
+
+  function testScale(codec) {
+    var pc1 = new RTCPeerConnection();
+    var pc2 = new RTCPeerConnection();
+
+    var add = (pc, can, failed) => can && pc.addIceCandidate(can).catch(failed);
+    pc1.onicecandidate = e => add(pc2, e.candidate, generateErrorCallback());
+    pc2.onicecandidate = e => add(pc1, e.candidate, generateErrorCallback());
+
+    info("testing scaling with " + codec);
+
+    pc1.onnegotiationneeded = e =>
+      pc1.createOffer()
+      .then(d => pc1.setLocalDescription(codec == "VP8" ? d : removeAllButCodec(d, 126)))
+      .then(() => pc2.setRemoteDescription(pc1.localDescription))
+      .then(() => pc2.createAnswer()).then(d => pc2.setLocalDescription(d))
+      .then(() => pc1.setRemoteDescription(pc2.localDescription))
+      .catch(generateErrorCallback());
+
+    return navigator.mediaDevices.getUserMedia({ video: true })
+    .then(stream => {
+      var v1 = createMediaElement('video', 'v1');
+      var v2 = createMediaElement('video', 'v2');
+
+      is(v2.currentTime, 0, "v2.currentTime is zero at outset");
+
+      v1.srcObject = stream;
+      var sender = pc1.addTrack(stream.getVideoTracks()[0], stream);
+
+      return mustRejectWith("Invalid scaleResolutionDownBy must reject", "RangeError",
+                            () => sender.setParameters({ encodings:
+                                                       [{ scaleResolutionDownBy: 0.5 } ] }))
+      .then(() => sender.setParameters({ encodings: [{ maxBitrate: 60000,
+                                                       scaleResolutionDownBy: 2 }] }))
+      .then(() => new Promise(resolve => pc2.ontrack = e => resolve(e)))
+      .then(e => v2.srcObject = e.streams[0])
+      .then(() => new Promise(resolve => v2.onloadedmetadata = resolve))
+      .then(() => waitUntil(() => v2.currentTime > 0 && v2.srcObject.currentTime > 0))
+      .then(() => ok(v2.currentTime > 0, "v2.currentTime is moving (" + v2.currentTime + ")"))
+      .then(() => wait(3000)) // TODO: Bug 1248154
+      .then(() => {
+        ok(v1.videoWidth > 0, "source width is positive");
+        ok(v1.videoHeight > 0, "source height is positive");
+        if (v2.videoWidth == 640 && v2.videoHeight == 480) { // TODO: Bug 1248154
+          info("Skipping test due to Bug 1248154");
+        } else {
+          is(v2.videoWidth, v1.videoWidth / 2, "sink is half the width of source");
+          is(v2.videoHeight, v1.videoHeight / 2, "sink is half the height of source");
+        }
+      })
+      .then(() => {
+        stream.getTracks().forEach(track => track.stop());
+        v1.srcObject = v2.srcObject = null;
+      })
+    })
+    .catch(generateErrorCallback());
+  }
+
+  runNetworkTest(() => testScale("VP8").then(() => testScale("H264"))
+                 .then(networkTestFinished));
+</script>
+</pre>
+</body>
+</html>