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149 lines
5.2 KiB
HTML
149 lines
5.2 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>RTCPeerConnection Insertable Streams - Video</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src=/resources/testdriver.js></script>
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<script src=/resources/testdriver-vendor.js></script>
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<script src='../mediacapture-streams/permission-helper.js'></script>
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<script src="../webrtc/RTCPeerConnection-helper.js"></script>
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<script src="./RTCPeerConnection-insertable-streams.js"></script>
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</head>
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<body>
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<script>
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async function testVideoFlow(t, negotiationFunction) {
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const caller = new RTCPeerConnection({encodedInsertableStreams:true});
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t.add_cleanup(() => caller.close());
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const callee = new RTCPeerConnection({encodedInsertableStreams:true});
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t.add_cleanup(() => callee.close());
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await setMediaPermission("granted", ["camera"]);
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const stream = await navigator.mediaDevices.getUserMedia({video:true});
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const videoTrack = stream.getVideoTracks()[0];
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t.add_cleanup(() => videoTrack.stop());
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const videoSender = caller.addTrack(videoTrack)
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const senderStreams = videoSender.createEncodedStreams();
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const senderReader = senderStreams.readable.getReader();
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const senderWriter = senderStreams.writable.getWriter();
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const frameInfos = [];
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const numFramesPassthrough = 5;
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const numFramesReplaceData = 5;
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const numFramesModifyData = 5;
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const numFramesToSend = numFramesPassthrough + numFramesReplaceData + numFramesModifyData;
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const ontrackPromise = new Promise(resolve => {
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callee.ontrack = t.step_func(() => {
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const videoReceiver = callee.getReceivers().find(r => r.track.kind === 'video');
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assert_not_equals(videoReceiver, undefined);
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const receiverStreams =
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videoReceiver.createEncodedStreams();
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const receiverReader = receiverStreams.readable.getReader();
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const receiverWriter = receiverStreams.writable.getWriter();
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const maxFramesToReceive = numFramesToSend;
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let numVerifiedFrames = 0;
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for (let i = 0; i < maxFramesToReceive; i++) {
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receiverReader.read().then(t.step_func(result => {
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verifyNonstandardAdditionalDataIfPresent(result.value);
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if (frameInfos[numVerifiedFrames] &&
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areFrameInfosEqual(result.value, frameInfos[numVerifiedFrames])) {
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numVerifiedFrames++;
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} else {
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// Receiving unexpected frames is an indication that
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// frames are not passed correctly between sender and receiver.
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assert_unreached("Incorrect frame received");
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}
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if (numVerifiedFrames == numFramesToSend)
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resolve();
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}));
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}
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});
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});
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exchangeIceCandidates(caller, callee);
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await negotiationFunction(caller, callee);
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// Pass frames as they come from the encoder.
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for (let i = 0; i < numFramesPassthrough; i++) {
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const result = await senderReader.read();
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const metadata = result.value.getMetadata();
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assert_true(containsVideoMetadata(metadata));
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verifyNonstandardAdditionalDataIfPresent(result.value);
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frameInfos.push({
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timestamp: result.value.timestamp,
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type: result.value.type,
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data: result.value.data,
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metadata: metadata,
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getMetadata() { return this.metadata; }
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});
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senderWriter.write(result.value);
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}
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// Replace frame data with arbitrary buffers.
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for (let i = 0; i < numFramesReplaceData; i++) {
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const result = await senderReader.read();
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const metadata = result.value.getMetadata();
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assert_true(containsVideoMetadata(metadata));
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const buffer = new ArrayBuffer(100);
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const int8View = new Int8Array(buffer);
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int8View.fill(i);
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result.value.data = buffer;
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frameInfos.push({
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timestamp: result.value.timestamp,
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type: result.value.type,
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data: result.value.data,
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metadata: metadata,
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getMetadata() { return this.metadata; }
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});
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senderWriter.write(result.value);
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}
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// Modify frame data.
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for (let i = 0; i < numFramesReplaceData; i++) {
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const result = await senderReader.read();
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const metadata = result.value.getMetadata();
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assert_true(containsVideoMetadata(metadata));
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const int8View = new Int8Array(result.value.data);
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int8View.fill(i);
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frameInfos.push({
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timestamp: result.value.timestamp,
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type: result.value.type,
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data: result.value.data,
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metadata: metadata,
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getMetadata() { return this.metadata; }
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});
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senderWriter.write(result.value);
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}
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return ontrackPromise;
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}
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promise_test(async t => {
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return testVideoFlow(t, exchangeOfferAnswer);
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}, 'Frames flow correctly using insertable streams');
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promise_test(async t => {
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return testVideoFlow(t, exchangeOfferAnswerReverse);
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}, 'Frames flow correctly using insertable streams when receiver starts negotiation');
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promise_test(async t => {
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const caller = new RTCPeerConnection({encodedInsertableStreams:true});
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t.add_cleanup(() => caller.close());
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const stream = await navigator.mediaDevices.getUserMedia({video:true});
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const track = stream.getTracks()[0];
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t.add_cleanup(() => track.stop());
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const sender = caller.addTrack(track)
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sender.createEncodedStreams();
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assert_throws_dom("InvalidStateError", () => sender.createEncodedStreams());
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}, 'Creating streams twice throws');
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</script>
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</body>
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</html>
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