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script.js
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script.js
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const videoElement = document.getElementById('video');
const startBtn = document.getElementById('start');
const stopBtn = document.getElementById('stop');
const selectBtn = document.getElementById('select');
// Prompt to select media stream, pass to video element, then play
const selectMediaStream = async () => {
try {
const mediaStream = await navigator.mediaDevices.getDisplayMedia();
videoElement.srcObject = mediaStream;
videoElement.onloadedmetadata = () => {
videoElement.play();
};
selectBtn.hidden = true;
startBtn.hidden = false;
} catch (error) {
// catch error
}
};
stopStreamedVideo = (videoElement) => {
const mediaStream = videoElement.srcObject;
const tracks = mediaStream.getTracks();
tracks.forEach((track) => {
track.stop();
});
};
// Start Picture-in-Picture
const startPIP = async () => {
startBtn.hidden = true;
stopBtn.hidden = false;
await videoElement.requestPictureInPicture();
};
// Stop Picture-in-Picture
const stopPIP = () => {
stopStreamedVideo(videoElement);
stopBtn.hidden = true;
selectBtn.hidden = false;
// Closes the Picture In Picture window
document.exitPictureInPicture();
};
// Select
selectBtn.addEventListener('click', selectMediaStream);
// Start
startBtn.addEventListener('click', startPIP);
// Stop
stopBtn.addEventListener('click', stopPIP);