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Update web-platform-tests to revision e51f414776c4e7efa7cfa5fe63a3a8b3969e06ac

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WPT Sync Bot 2020-04-30 08:20:24 +00:00 • committed by Josh Matthews
parent ed392ab3be
commit db4f300c7c
7956 changed files with 92483 additions and 78520 deletions
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40
tests/wpt/web-platform-tests/webrtc/RTCPeerConnection-helper.js
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@ -582,7 +582,7 @@ const trackFactories = {
return dst.stream.getAudioTracks()[0];
},
video({width = 640, height = 480} = {}) {
video({width = 640, height = 480, signal = null} = {}) {
const canvas = Object.assign(
document.createElement("canvas"), {width, height}
);
@ -593,8 +593,13 @@ const trackFactories = {
setInterval(() => {
ctx.fillStyle = `rgb(${count%255}, ${count*count%255}, ${count%255})`;
count += 1;
ctx.fillRect(0, 0, width, height);
// If signal is set, add a constant-color box to the video frame.
if (signal !== null) {
ctx.fillStyle = `rgb(${signal}, ${signal}, ${signal})`;
ctx.fillRect(10, 10, 20, 20);
let pixel = ctx.getImageData(15, 15, 1, 1);
}
}, 100);
if (document.body) {
@ -609,13 +614,40 @@ const trackFactories = {
}
};
// Get the signal from a video element inserted by createNoiseStream
function getVideoSignal(v) {
if (v.videoWidth < 21 || v.videoHeight < 21) {
return null;
}
const canvas = new OffscreenCanvas(v.videoWidth, v.videoHeight);
let context = canvas.getContext('2d');
context.drawImage(v, 0, 0, v.videoWidth, v.videoHeight);
// Extract pixel value at position 20, 20
let pixel = context.getImageData(20, 20, 1, 1);
return (pixel.data[0] + pixel.data[1] + pixel.data[2]) / 3;
}
function detectSignal(t, v, value) {
return new Promise((resolve) => {
let check = () => {
const signal = getVideoSignal(v);
if (signal !== null && signal < value + 1 && signal > value - 1) {
resolve();
} else {
t.step_timeout(check, 100);
}
}
check();
});
}
// Generate a MediaStream bearing the specified tracks.
//
// @param {object} [caps]
// @param {boolean} [caps.audio] - flag indicating whether the generated stream
// should include an audio track
// @param {boolean} [caps.video] - flag indicating whether the generated stream
// should include a video track
// should include a video track, or parameters for video
async function getNoiseStream(caps = {}) {
if (!trackFactories.canCreate(caps)) {
return navigator.mediaDevices.getUserMedia(caps);
@ -627,7 +659,7 @@ async function getNoiseStream(caps = {}) {
}
if (caps.video) {
tracks.push(trackFactories.video());
tracks.push(trackFactories.video(caps.video));
}
return new MediaStream(tracks);