| <!doctype html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <video controls id="video" autoplay></video> |
| <canvas id="canvas" width="640" height="480"></canvas> |
| <script src ="routines.js"></script> |
| <script> |
| function grabFrameData(x, y, w, h) |
| { |
| canvas.width = video.videoWidth; |
| canvas.height = video.videoHeight; |
| |
| canvas.getContext('2d').drawImage(video, x, y, w, h, x, y, w, h); |
| return canvas.getContext('2d').getImageData(x, y, w, h).data; |
| } |
| |
| function getCircleImageData() |
| { |
| return grabFrameData(450, 100, 150, 100); |
| } |
| |
| async function checkVideoIsUpdated(test, shouldBeUpdated, count, referenceData) |
| { |
| if (count === undefined) |
| count = 0; |
| else if (count >= 20) |
| return Promise.reject("checkVideoIsUpdated timed out :" + shouldBeUpdated + " " + count); |
| |
| if (referenceData === undefined) |
| referenceData = getCircleImageData(); |
| |
| await waitFor(test, 200); |
| const newData = getCircleImageData(); |
| |
| if (shouldBeUpdated === (JSON.stringify(referenceData) !== JSON.stringify(newData))) |
| return; |
| |
| await checkVideoIsUpdated(test, shouldBeUpdated, ++count, newData); |
| } |
| |
| promise_test(async (test) => { |
| const localStream = await navigator.mediaDevices.getUserMedia({video: true}); |
| const senderTransform = new SFrameTransform({ compatibilityMode: "H264" }); |
| const receiverTransform = new SFrameTransform({ compatibilityMode: "H264" }); |
| await crypto.subtle.importKey("raw", new Uint8Array([143, 77, 43, 10, 72, 19, 37, 67, 236, 219, 24, 93, 26, 165, 91, 178]), "HKDF", false, ["deriveBits", "deriveKey"]).then(key => { |
| senderTransform.setEncryptionKey(key); |
| receiverTransform.setEncryptionKey(key); |
| }); |
| |
| let sender, receiver; |
| const stream = await new Promise((resolve, reject) => { |
| createConnections(test, (firstConnection) => { |
| pc1 = firstConnection; |
| sender = firstConnection.addTrack(localStream.getVideoTracks()[0], localStream); |
| sender.transform = senderTransform; |
| }, (secondConnection) => { |
| pc2 = secondConnection; |
| secondConnection.ontrack = (trackEvent) => { |
| receiver = trackEvent.receiver; |
| // we do not set the receiver transform here; |
| resolve(trackEvent.streams[0]); |
| }; |
| }, { |
| observeOffer : (offer) => { |
| const lines = offer.sdp.split('\r\n'); |
| const h264Lines = lines.filter(line => line.indexOf("a=fmtp") === 0 && line.indexOf("42e01f") !== -1); |
| const baselineNumber = h264Lines[0].substring(6).split(' ')[0]; |
| offer.sdp = lines.filter(line => { |
| return (line.indexOf('a=fmtp') === -1 && line.indexOf('a=rtcp-fb') === -1 && line.indexOf('a=rtpmap') === -1) || line.indexOf(baselineNumber) !== -1; |
| }).join('\r\n'); |
| } |
| }); |
| test.step_timeout(() => reject("Test timed out"), 5000); |
| }); |
| |
| video.srcObject = stream; |
| video.play(); |
| |
| // We set the receiver transform here so that the decoder probably tried to decode sframe content. |
| test.step_timeout(() => receiver.transform = receiverTransform, 50); |
| await checkVideoIsUpdated(test, true); |
| }, "video exchange with late receiver transform"); |
| </script> |
| </body> |
| </html> |