Media Session API 为当前正在播放的视频,音频,提供元数据来自定义媒体通知

google 文档 https://developers.google.cn/web/updates/2017/02/media-session

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</head> <body>
<div class="audio-state">null</div>
<audio poster="https://pic.cnblogs.com/avatar/1053296/20171128213246.png" src="http://dl.stream.qqmusic.qq.com/C400001IapGk0SNlnb.m4a?vkey=142B2367BEA057666BAA43D662C2E4329FC6B5C7BB02DC3F424D4DC3448F7A0ACCD2A3BB660F2E7C2D5AE61EDD1B6ADDFF1352D51EF5E7F6&guid=5617301546&uin=1641845087&fromtag=66"
controls></audio>
<button class="play-button">click 播放</button>
<p>
<div class="doc"></div>
</p>
<script>
const audioSrcs = [
'http://dl.stream.qqmusic.qq.com/C400001IapGk0SNlnb.m4a?vkey=142B2367BEA057666BAA43D662C2E4329FC6B5C7BB02DC3F424D4DC3448F7A0ACCD2A3BB660F2E7C2D5AE61EDD1B6ADDFF1352D51EF5E7F6&guid=5617301546&uin=1641845087&fromtag=66'
];
let playButton = document.querySelector('.play-button');
let audio = document.querySelector('audio'); playButton.addEventListener('pointerup', function (event) {
if (audio.paused) {
audio.play()
.then(_ => {
document.querySelector('.audio-state').textContent = ' playing!'
setMediaSession();
})
.catch(error => {
console.log(error)
});
} else {
audio.pause();
document.querySelector('.audio-state').textContent = ' paused!'
}
}); function setMediaSession() {
if (!('mediaSession' in navigator)) {
return;
}
document.querySelector('.doc').textContent = 'yes .'
navigator.mediaSession.metadata = new MediaMetadata({
title: 'Never Gonna Give You Up',
artist: 'Rick Astley', // 艺术家 name
album: 'Whenever You Need Somebody', // 专辑 name
artwork: [{
src: 'https://dummyimage.com/96x96',
sizes: '96x96',
type: 'image/png'
},
{
src: 'https://dummyimage.com/128x128',
sizes: '128x128',
type: 'image/png'
},
{
src: 'https://dummyimage.com/192x192',
sizes: '192x192',
type: 'image/png'
},
{
src: 'https://dummyimage.com/256x256',
sizes: '256x256',
type: 'image/png'
},
{
src: 'https://dummyimage.com/384x384',
sizes: '384x384',
type: 'image/png'
},
{
src: 'https://dummyimage.com/512x512',
sizes: '512x512',
type: 'image/png'
},
]
});
navigator.mediaSession.setActionHandler('play', function () {
document.querySelector('.audio-state').textContent = ' playing!'
});
navigator.mediaSession.setActionHandler('pause', function () {
document.querySelector('.audio-state').textContent = ' paused!'
});
let skipTime = 10; // Time to skip in seconds navigator.mediaSession.setActionHandler('seekbackward', function () {
// 向后看
// video.currentTime = Math.max(video.currentTime - skipTime, 0);
});
navigator.mediaSession.setActionHandler('seekforward', function () {
// 向前看
// video.currentTime = Math.min(video.currentTime + skipTime, video.duration);
}); navigator.mediaSession.setActionHandler('previoustrack', function () {
// 用户点击了“上一首”媒体通知图标。
// playPreviousVideo(); // load and play previous video
});
navigator.mediaSession.setActionHandler('nexttrack', function () {
// 用户点击了“下一首”媒体通知图标
// playNextVideo(); // load and play next video
}); }
</script>
</body> </html>
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