forked from sent/waves
38 lines
1.1 KiB
JavaScript
38 lines
1.1 KiB
JavaScript
xp.audio = {
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context: null,
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cache: {},
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init: function() {
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try {
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window.AudioContext = window.AudioContext || window.webkitAudioContext;
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xp.audio.context = new AudioContext();
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}
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catch(e) {
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console.error('Web Audio API is not supported in this browser');
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}
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},
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playURL: function(url) {
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if (xp.audio.cache[url] !== undefined) {
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var source = xp.audio.context.createBufferSource();
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source.buffer = xp.audio.cache[url];
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source.connect(xp.audio.context.destination);
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source.start(0);
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} else {
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var request = new XMLHttpRequest();
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request.open('GET', url, true);
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request.responseType = 'arraybuffer';
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request.onload = function() {
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if (xp.audio.context === null) {
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xp.audio.init();
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}
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xp.audio.context.decodeAudioData(request.response, function(buffer) {
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var source = xp.audio.context.createBufferSource();
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source.buffer = buffer;
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xp.audio.cache[url] = buffer;
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source.connect(xp.audio.context.destination);
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source.start(0);
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}, console.error);
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}
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request.send();
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}
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}
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}; |