wehub-resource-sync
79 lines
2.3 KiB
JavaScript
79 lines
2.3 KiB
JavaScript
<!--
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* @Author: chenzhongsheng
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* @Date: 2023-03-18 16:52:44
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* @Description: Coding something
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-->
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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</head>
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<body>
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<script>
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window.AudioContext = window.AudioContext || window.webkitAudioContext || window.mozAudioContext || window.msAudioContext;
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try {
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var context = new window.AudioContext();;
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var source = null;
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var audioBuffer = null;
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function stopSound() {
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if (source) {
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source.stop(0); //立即停止
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}
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}
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function playSound() {
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source = context.createBufferSource();
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source.playbackRate.value = 1;
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source.buffer = audioBuffer;
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// source.loop = true; //循环播放
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const gain = context.createGain();
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gain.gain.value = 1;
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source.connect(gain);
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gain.connect(context.destination);
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// source.connect(context.destination);
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source.start(0); //立即播放
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}
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function initSound(arrayBuffer) {
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context.decodeAudioData(arrayBuffer, function(buffer) { //解码成功时的回调函数
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audioBuffer = buffer;
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playSound();
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}, function(e) { //解码出错时的回调函数
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console.log('Error decoding file', e);
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});
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}
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function loadAudioFile(url) {
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var xhr = new XMLHttpRequest(); //通过XHR下载音频文件
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xhr.open('GET', url, true);
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xhr.responseType = 'arraybuffer';
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xhr.onreadystatechange = () => {
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if (xhr.status === 200) {
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if (xhr.readyState === 4) {
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console.log('response decodeArrayBuffer', xhr.response);
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// decodeArrayBuffer(xhr.response, resolve);
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initSound(xhr.response);
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}
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} else {
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resolve(null);
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}
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};
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// xhr.onload = function(e) { //下载完成
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// initSound(this.response);
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// };
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xhr.send();
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}
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loadAudioFile('https://unpkg.com/cnchar-data@1.1.0/voice/hao3.mp3');
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} catch (e) {
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console.log('!Your browser does not support AudioContext');
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}
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</script>
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</body>
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</html> |