jjyyxx

/*
 * Copyright (c) 2015 Fran Montiel
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

jjyyxx

// ==UserScript==
// @name         Auto play xuetangx
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  Auto play xuetangx! (Support horizontal bar now!)
// @author       You
// @match        http://tsinghua.xuetangx.com/courses/*
// @grant        none
// ==/UserScript==

jjyyxx

/*
Goal : instantly play any wav source without download the file and without <audio/>

Idea is to use the fetch streaming API and pass raw data to web audio

My use case is playng a wav file

following http://stackoverflow.com/questions/38589614/webaudio-streaming-with-fetch-domexception-unable-to-decode-audio-data/38593356#38593356

jjyyxx

var Wav = function(opt_params){
	
	/**
	 * @private
	 */
	this._sampleRate = opt_params && opt_params.sampleRate ? opt_params.sampleRate : 44100;
	
	/**
	 * @private
	 */