amrnb.min.js 播放本地amr音频文件
云季萌
1.准备插件：amrnb.min.js，pcmdata.min.js
下载地址：https://github.com/jpemartins/amr.js/blob/master/dist/amrnb.min.js
https://github.com/jpemartins/amr.js/blob/master/public/js/lib/pcmdata.min.js
2.html代码
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Audio Example</title>
</head>
<body>
<span class="bold">amr文件(*.amr):</span>
<input type="file" id="file" name="file" />
</body>
<script src="/amr_player/amrnb.min.js"></script>
<script src="/amr_player/pcmdata.min.js"></script>
<script src="/amr_player/enter.js"></script>
<script>
document.getElementById('file').addEventListener('change', function(evt) {
var f = evt.target.files[0]; // File Object
handleFileSelect(f);
}, false);
</script>
</html>function handleFileSelect(f, isTypedArray) {
var reader = new FileReader();// 文件阅读器
reader.onload = (function(file) {
return function(e) {
var extension = file.name.split(".")[1];
if (extension === "amr") {
var samples = new AMR({
benchmark : true
}).decode(e.target.result);
AMR.util.play(samples);
}
}
})(f);
if (!!isTypedArray) {
reader.readAsArrayBuffer(f);
return;
}
reader.readAsBinaryString(f);
}
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