84,049
个编辑
无编辑摘要
(function (){
(function (){
var audio = document.getElementById('myAudio');
var context = new (window.AudioContext || window.webkitAudioContext)();
var playButton = document.getElementById('playButton');
var source;
var isPlaying = false;
function loadAudio(url, callback) {
if (audio.paused) {
var request = new XMLHttpRequest();
request.open('GET', url, true);
playButton.innerHTML = 'Pause';
request.responseType = 'arraybuffer';
request.onload = function() {
context.decodeAudioData(request.response, function(buffer) {
callback(buffer);
});
};
request.send();
}
function play() {
source = context.createBufferSource();
source.buffer = buffer;
source.connect(context.destination);
source.start(0);
isPlaying = true;
}
function pause() {
source.stop(0);
isPlaying = false;
}
function togglePlay() {
if (!isPlaying) {
play();
document.getElementById('playButton').innerHTML = 'Pause';
} else {
} else {
pause();
playButton.innerHTML = 'Play';
document.getElementById('playButton').innerHTML = 'Play';
}
}
}
var audioFilePath = document.getElementById('audioFilePath').getAttribute('data-src');
var buffer;
loadAudio(audioFilePath, function(decodedBuffer) {
buffer = decodedBuffer;
});
});
})();
})();