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<!DOCTYPE HTML>
<html>
<head>
  <script type="application/javascript" src="pc.js"></script>
  <script type="application/javascript" src="/tests/dom/canvas/test/captureStream_common.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript">
  createHTML({
    bug: "1017888",
    title: "Renegotiation: replaceTrack followed by adding a second video stream"
  });

  runNetworkTest(async (options) => {
    await pushPrefs(['media.peerconnection.video.min_bitrate_estimate', 180*1000]);
    // [TODO] re-enable HW decoder after bug 1526207 is fixed.
    if (navigator.userAgent.includes("Android")) {
      await pushPrefs(["media.navigator.mediadatadecoder_vpx_enabled", false],
                      ["media.webrtc.hw.h264.enabled", false]);
    }

    const test = new PeerConnectionTest(options);
    test.setMediaConstraints([{video:true}], [{video:true}]);
    const helper = new VideoStreamHelper();
    const emitter1 = new VideoFrameEmitter(CaptureStreamTestHelper.prototype.red,
                                           CaptureStreamTestHelper.prototype.green);
    const emitter2 = new VideoFrameEmitter(CaptureStreamTestHelper.prototype.blue,
                                           CaptureStreamTestHelper.prototype.grey);
    test.chain.replace("PC_LOCAL_GUM", [
      function PC_LOCAL_ADDTRACK(test) {
        test.pcLocal.attachLocalStream(emitter1.stream());
        emitter1.start();
      },
    ]);
    addRenegotiation(test.chain,
      [
        function PC_LOCAL_REPLACE_VIDEO_TRACK_THEN_ADD_SECOND_STREAM(test) {
          emitter1.stop();
          emitter2.start();
          const newstream = emitter2.stream();
          const newtrack = newstream.getVideoTracks()[0];
          var sender = test.pcLocal._pc.getSenders()[0];
          return test.pcLocal.senderReplaceTrack(sender, newtrack, newstream)
            .then(() => {
              test.setMediaConstraints([{video: true}, {video: true}],
                                       [{video: true}]);
            });
        },
      ],
      [
        function PC_REMOTE_CHECK_ORIGINAL_TRACK_NOT_ENDED(test) {
          is(test.pcRemote._pc.getTransceivers().length, 1,
              "pcRemote should have one transceiver");
          const track = test.pcRemote._pc.getTransceivers()[0].receiver.track;

          const vremote = test.pcRemote.remoteMediaElements.find(
              elem => elem.id.includes(track.id));
          if (!vremote) {
            return Promise.reject(new Error("Couldn't find video element"));
          }
          ok(!vremote.ended, "Original track should not have ended after renegotiation (replaceTrack is not signalled!)");
          return helper.checkVideoPlaying(vremote);
        }
      ]
    );

    await test.run();
  });

</script>
</pre>
</body>
</html>