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<!DOCTYPE html>
<meta charset="utf-8">
<title>RTCEncodedAudioFrame can be cloned and distributed</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="../../service-workers/service-worker/resources/test-helpers.sub.js"></script>
<script>
"use strict";
promise_test(async t => {
const caller1 = new RTCPeerConnection();
t.add_cleanup(() => caller1.close());
const callee1 = new RTCPeerConnection({encodedInsertableStreams:true});
t.add_cleanup(() => callee1.close());
await setMediaPermission("granted", ["microphone"]);
const inputStream = await navigator.mediaDevices.getUserMedia({audio:true});
const inputTrack = inputStream.getAudioTracks()[0];
t.add_cleanup(() => inputTrack.stop());
caller1.addTrack(inputTrack)
exchangeIceCandidates(caller1, callee1);
const caller2 = new RTCPeerConnection({encodedInsertableStreams:true});
t.add_cleanup(() => caller2.close());
const callee2 = new RTCPeerConnection({encodedInsertableStreams:true});
t.add_cleanup(() => callee2.close());
const sender2 = caller2.addTransceiver("audio").sender;
const writer2 = sender2.createEncodedStreams().writable.getWriter();
sender2.replaceTrack(new MediaStreamTrackGenerator({ kind: 'audio' }));
exchangeIceCandidates(caller2, callee2);
const IncomingframesSentAndReceivedCorrectly = new Promise((resolve, reject) => {
// Write the received incoming frames on callee1 to caller2.
callee1.ontrack = async e => {
const receiverStreams = e.receiver.createEncodedStreams();
const receiverReader = receiverStreams.readable.getReader();
const result = await receiverReader.read();
const original = result.value;
await writer2.write(original);
resolve();
}
// callee2 receives frames over the PC from caller2.
callee2.ontrack = async e => {
const receiverStreams = e.receiver.createEncodedStreams();
const receiverReader = receiverStreams.readable.getReader();
const receiverWriter = receiverStreams.writable.getWriter();
const result = await receiverReader.read();
receiverWriter.write(result.value);
resolve();
}
});
await exchangeOfferAnswer(caller1, callee1);
await exchangeOfferAnswer(caller2, callee2);
return IncomingframesSentAndReceivedCorrectly;
}, "Send endoded incoming frame");
</script>
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