| <!doctype html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Testing H264 encoder race condition fix</title> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <video id="video1" autoplay playsInline width="320" height="240"></video> |
| <video id="video2" autoplay playsInline width="320" height="240"></video> |
| <canvas id="canvas" width="320" height="240"></canvas> |
| <script src="routines.js"></script> |
| <script> |
| async function getCodecFromStats(connection) { |
| const stats = await connection.getStats(); |
| let codecName = null; |
| stats.forEach((stat) => { |
| if (stat.type === 'inbound-rtp' && stat.kind === 'video') { |
| const codecId = stat.codecId; |
| stats.forEach((codecStat) => { |
| if (codecStat.id === codecId) { |
| codecName = codecStat.mimeType; |
| } |
| }); |
| } |
| }); |
| return codecName; |
| } |
| |
| function setupTransceiver(transceiver) |
| { |
| // Set codec preferences: H264 first, VP8 as fallback |
| const capabilities = RTCRtpSender.getCapabilities('video'); |
| const h264Codecs = capabilities.codecs.filter(codec => codec.mimeType === 'video/H264'); |
| const vp8Codecs = capabilities.codecs.filter(codec => codec.mimeType === 'video/VP8'); |
| transceiver.setCodecPreferences([...h264Codecs, ...vp8Codecs]); |
| } |
| |
| promise_test(async (test) => { |
| if (window.internals) |
| internals.clearWebRTCCodecsConnection(); |
| |
| const localStream1 = await navigator.mediaDevices.getUserMedia({video: {width: 320, height: 240}}); |
| const localStream2 = await navigator.mediaDevices.getUserMedia({video: {width: 320, height: 240}}); |
| |
| const receivingConnection = await new Promise((resolve, reject) => { |
| createConnections((firstConnection) => { |
| firstConnection.addTrack(localStream1.getVideoTracks()[0], localStream1); |
| firstConnection.addTrack(localStream2.getVideoTracks()[0], localStream2); |
| for (const transceiver of firstConnection.getTransceivers()) |
| setupTransceiver(transceiver); |
| }, (secondConnection) => { |
| secondConnection.ontrack = (trackEvent) => { |
| if (!video1.srcObject) { |
| video1.srcObject = trackEvent.streams[0]; |
| return; |
| } |
| video2.srcObject = trackEvent.streams[0]; |
| resolve(secondConnection); |
| }; |
| }); |
| setTimeout(() => reject("Test timed out for setting up connections"), 5000); |
| }); |
| |
| await video1.play(); |
| await video2.play(); |
| |
| const codec = await getCodecFromStats(receivingConnection); |
| assert_true(codec.includes('H264'), 'First connection should be using H264 codec, not VP8 fallback'); |
| |
| localStream1.getTracks().forEach(track => track.stop()); |
| localStream2.getTracks().forEach(track => track.stop()); |
| }, "Multiple tracks H264 encoding"); |
| </script> |
| </body> |
| </html> |
