<!DOCTYPE html>
<html>
<head>
<title>RTCPeerConnection Insertable Streams - Worker</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src=/resources/testdriver.js></script>
<script src=/resources/testdriver-vendor.js></script>
<script src='../mediacapture-streams/permission-helper.js'></script>
<script src="../webrtc/RTCPeerConnection-helper.js"></script>
<script src="./RTCPeerConnection-insertable-streams.js"></script>
</head>
<body>
<script>
promise_test(async t => {
  const caller = new RTCPeerConnection({encodedInsertableStreams:true});
  t.add_cleanup(() => caller.close());
  const callee = new RTCPeerConnection();
  t.add_cleanup(() => callee.close());

  // Video is used in a later test, so we ask for both permissions
  await setMediaPermission();
  const stream = await navigator.mediaDevices.getUserMedia({audio:true});
  const track = stream.getTracks()[0];
  t.add_cleanup(() => track.stop());

  const sender = caller.addTrack(track)
  const senderStreams = sender.createEncodedStreams();

  const senderWorker = new Worker('RTCPeerConnection-sender-worker-single-frame.js')
  t.add_cleanup(() => senderWorker.terminate());
  senderWorker.postMessage(
    {readableStream: senderStreams.readable},
    [senderStreams.readable]);

  let expectedFrameData = null;
  let verifiedFrameData = false;
  let numVerifiedFrames = 0;
  const onmessagePromise = new Promise(resolve => {
    senderWorker.onmessage = t.step_func(message => {
      if (!(message.data instanceof RTCEncodedAudioFrame)) {
        // This is the first message sent from the Worker to the test.
        // It contains an object (not an RTCEncodedAudioFrame) with the same
        // fields as the RTCEncodedAudioFrame to be sent in follow-up messages.
        // These serve as expected values to validate that the
        // RTCEncodedAudioFrame is sent correctly back to the test in the next
        // message.
        expectedFrameData = message.data;
      } else {
        // This is the frame sent by the Worker after reading it from the
        // readable stream. The Worker sends it twice after sending the
        // verification message.
        assert_equals(message.data.type, expectedFrameData.type);
        assert_equals(message.data.timestamp, expectedFrameData.timestamp);
        assert_true(areArrayBuffersEqual(message.data.data, expectedFrameData.data));
        if (++numVerifiedFrames == 2)
          resolve();
      }
    });
  });

  exchangeIceCandidates(caller, callee);
  await exchangeOfferAnswer(caller, callee);

  return onmessagePromise;
}, 'RTCRtpSender readable stream transferred to a Worker and the Worker sends an RTCEncodedAudioFrame back');

promise_test(async t => {
  const caller = new RTCPeerConnection({encodedInsertableStreams:true});
  t.add_cleanup(() => caller.close());
  const callee = new RTCPeerConnection();
  t.add_cleanup(() => callee.close());

  const stream = await navigator.mediaDevices.getUserMedia({video:true});
  const videoTrack = stream.getVideoTracks()[0];
  t.add_cleanup(() => videoTrack.stop());

  const videoSender = caller.addTrack(videoTrack)
  const senderStreams = videoSender.createEncodedStreams();

  const senderWorker = new Worker('RTCPeerConnection-sender-worker-single-frame.js')
  t.add_cleanup(() => senderWorker.terminate());
  senderWorker.postMessage(
    {readableStream: senderStreams.readable},
    [senderStreams.readable]);

  let expectedFrameData = null;
  let verifiedFrameData = false;
  let numVerifiedFrames = 0;
  const onmessagePromise = new Promise(resolve => {
    senderWorker.onmessage = t.step_func(message => {
      if (!(message.data instanceof RTCEncodedVideoFrame)) {
        // This is the first message sent from the Worker to the test.
        // It contains an object (not an RTCEncodedVideoFrame) with the same
        // fields as the RTCEncodedVideoFrame to be sent in follow-up messages.
        // These serve as expected values to validate that the
        // RTCEncodedVideoFrame is sent correctly back to the test in the next
        // message.
        expectedFrameData = message.data;
      } else {
        // This is the frame sent by the Worker after reading it from the
        // readable stream. The Worker sends it twice after sending the
        // verification message.
        assert_equals(message.data.type, expectedFrameData.type);
        assert_equals(message.data.timestamp, expectedFrameData.timestamp);
        assert_true(areArrayBuffersEqual(message.data.data, expectedFrameData.data));
        assert_equals(message.data.getMetadata().synchronizationSource, expectedFrameData.metadata.synchronizationSource);
        if (++numVerifiedFrames == 2)
          resolve();
      }
    });
  });

  exchangeIceCandidates(caller, callee);
  await exchangeOfferAnswer(caller, callee);

  return onmessagePromise;
}, 'RTCRtpSender readable stream transferred to a Worker and the Worker sends an RTCEncodedVideoFrame back');

promise_test(async t => {
  const caller = new RTCPeerConnection({encodedInsertableStreams:true});
  t.add_cleanup(() => caller.close());
  const callee = new RTCPeerConnection();
  t.add_cleanup(() => callee.close());

  const stream = await navigator.mediaDevices.getUserMedia({video:true});
  const videoTrack = stream.getVideoTracks()[0];
  t.add_cleanup(() => videoTrack.stop());

  const videoSender = caller.addTrack(videoTrack)
  const senderStreams = videoSender.createEncodedStreams();

  const senderWorker = new Worker('RTCPeerConnection-worker-transform.js')
  t.add_cleanup(() => senderWorker.terminate());
  senderWorker.postMessage(
    {
      readableStream: senderStreams.readable,
      writableStream: senderStreams.writable,
      insertError: true
    },
    [senderStreams.readable, senderStreams.writable]);

  const onmessagePromise = new Promise(resolve => {
    senderWorker.onmessage = t.step_func(message => {
      assert_false(message.data.success);
      assert_true(message.data.error instanceof TypeError);
      resolve();
    });
  });

  exchangeIceCandidates(caller, callee);
  await exchangeOfferAnswer(caller, callee);

  return onmessagePromise;
}, 'Video RTCRtpSender insertable streams transferred to a worker, which tries to write an invalid frame');

promise_test(async t => {
  const caller = new RTCPeerConnection({encodedInsertableStreams:true});
  t.add_cleanup(() => caller.close());
  const callee = new RTCPeerConnection();
  t.add_cleanup(() => callee.close());

  const stream = await navigator.mediaDevices.getUserMedia({audio:true});
  const audioTrack = stream.getAudioTracks()[0];
  t.add_cleanup(() => audioTrack.stop());

  const audioSender = caller.addTrack(audioTrack)
  const senderStreams = audioSender.createEncodedStreams();

  const senderWorker = new Worker('RTCPeerConnection-worker-transform.js')
  t.add_cleanup(() => senderWorker.terminate());
  senderWorker.postMessage(
    {
      readableStream: senderStreams.readable,
      writableStream: senderStreams.writable,
      insertError: true
    },
    [senderStreams.readable, senderStreams.writable]);

  const onmessagePromise = new Promise(resolve => {
    senderWorker.onmessage = t.step_func(message => {
      assert_false(message.data.success);
      assert_true(message.data.error instanceof TypeError);
      resolve();
    });
  });

  exchangeIceCandidates(caller, callee);
  await exchangeOfferAnswer(caller, callee);

  return onmessagePromise;
}, 'Audio RTCRtpSender insertable streams transferred to a worker, which tries to write an invalid frame');

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