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| 1 | +<!DOCTYPE html> |
| 2 | +<meta charset="utf-8"> |
| 3 | +<title>RTCEncodedAudioFrame can be cloned and distributed</title> |
| 4 | +<script src="/resources/testharness.js"></script> |
| 5 | +<script src="/resources/testharnessreport.js"></script> |
| 6 | +<script src=/resources/testdriver.js></script> |
| 7 | +<script src=/resources/testdriver-vendor.js></script> |
| 8 | +<script src='../mediacapture-streams/permission-helper.js'></script> |
| 9 | +<script src="../webrtc/RTCPeerConnection-helper.js"></script> |
| 10 | +<script src="../service-workers/service-worker/resources/test-helpers.sub.js"></script> |
| 11 | + |
| 12 | +<script> |
| 13 | +"use strict"; |
| 14 | +promise_test(async t => { |
| 15 | + const caller1 = new RTCPeerConnection(); |
| 16 | + t.add_cleanup(() => caller1.close()); |
| 17 | + const callee1 = new RTCPeerConnection({encodedInsertableStreams:true}); |
| 18 | + t.add_cleanup(() => callee1.close()); |
| 19 | + await setMediaPermission("granted", ["microphone"]); |
| 20 | + const inputStream = await navigator.mediaDevices.getUserMedia({audio:true}); |
| 21 | + const inputTrack = inputStream.getAudioTracks()[0]; |
| 22 | + t.add_cleanup(() => inputTrack.stop()); |
| 23 | + caller1.addTrack(inputTrack) |
| 24 | + exchangeIceCandidates(caller1, callee1); |
| 25 | + |
| 26 | + const caller2 = new RTCPeerConnection({encodedInsertableStreams:true}); |
| 27 | + t.add_cleanup(() => caller2.close()); |
| 28 | + const callee2 = new RTCPeerConnection({encodedInsertableStreams:true}); |
| 29 | + t.add_cleanup(() => callee2.close()); |
| 30 | + const sender2 = caller2.addTransceiver("audio").sender; |
| 31 | + const writer2 = sender2.createEncodedStreams().writable.getWriter(); |
| 32 | + sender2.replaceTrack(new MediaStreamTrackGenerator({ kind: 'audio' })); |
| 33 | + exchangeIceCandidates(caller2, callee2); |
| 34 | + |
| 35 | + const IncomingframesSentAndReceivedCorrectly = new Promise((resolve, reject) => { |
| 36 | + // Write the received incoming frames on callee1 to caller2. |
| 37 | + callee1.ontrack = async e => { |
| 38 | + const receiverStreams = e.receiver.createEncodedStreams(); |
| 39 | + const receiverReader = receiverStreams.readable.getReader(); |
| 40 | + const result = await receiverReader.read(); |
| 41 | + const original = result.value; |
| 42 | + await writer2.write(original); |
| 43 | + resolve(); |
| 44 | + } |
| 45 | + |
| 46 | + // callee2 receives frames over the PC from caller2. |
| 47 | + callee2.ontrack = async e => { |
| 48 | + const receiverStreams = e.receiver.createEncodedStreams(); |
| 49 | + const receiverReader = receiverStreams.readable.getReader(); |
| 50 | + const receiverWriter = receiverStreams.writable.getWriter(); |
| 51 | + const result = await receiverReader.read(); |
| 52 | + receiverWriter.write(result.value); |
| 53 | + resolve(); |
| 54 | + } |
| 55 | + |
| 56 | + }); |
| 57 | + |
| 58 | + await exchangeOfferAnswer(caller1, callee1); |
| 59 | + await exchangeOfferAnswer(caller2, callee2); |
| 60 | + |
| 61 | + return IncomingframesSentAndReceivedCorrectly; |
| 62 | +}, "Send endoded incoming frame"); |
| 63 | +</script> |
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