User:Brijsri/recordhelper.js
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Note: You may have to bypass your browser’s cache to see the changes. In addition, after saving a sitewide CSS file such as MediaWiki:Common.css, it will take 5-10 minutes before the changes take effect, even if you clear your cache.
- Mozilla / Firefox / Safari: hold Shift while clicking Reload, or press either Ctrl-F5 or Ctrl-R (Command-R on a Macintosh);
- Konqueror and Chrome: click Reload or press F5;
- Opera: clear the cache in Tools → Preferences;
- Internet Explorer: hold Ctrl while clicking Refresh, or press Ctrl-F5.
- This script lacks a documentation subpage. Please create it.
- Useful links: root page • root page’s subpages • links • redirects • your own
/*function __log(e, data) {
log.innerHTML += "\n" + e + " " + (data || '');
}
*/
var audio_context;
var recorder;
function startUserMedia(stream) {
var input = audio_context.createMediaStreamSource(stream);
console.log('Media stream created.');
// Uncomment if you want the audio to feedback directly
//input.connect(audio_context.destination);
//__log('Input connected to audio context destination.');
recorder = new Recorder(input);
console.log('Recorder initialised.');
}
function startRecording(button) {
recorder && recorder.record();
button.disabled = true;
button.nextElementSibling.disabled = false;
console.log('Recording...');
}
function stopRecording(button) {
recorder && recorder.stop();
button.disabled = true;
button.previousElementSibling.disabled = false;
console.log('Stopped recording.');
// create WAV download link using audio data blob
createDownloadLink();
recorder.clear();
}
function createDownloadLink() {
recorder && recorder.exportWAV(function(blob) {
var url = URL.createObjectURL(blob);
var li = document.createElement('li');
var au = document.createElement('audio');
var hf = document.createElement('a');
au.controls = true;
au.src = url;
hf.href = url;
hf.download = new Date().toISOString() + '.wav';
hf.innerHTML = hf.download;
li.appendChild(au);
li.appendChild(hf);
recordingslist.appendChild(li);
});
}
/*
window.onload = function init() {
try {
// webkit shim
window.AudioContext = window.AudioContext || window.webkitAudioContext;
navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia;
window.URL = window.URL || window.webkitURL;
audio_context = new AudioContext;
console.log('Audio context set up.');
console.log('navigator.getUserMedia ' + (navigator.getUserMedia ? 'available.' : 'not present!'));
} catch (e) {
alert('No web audio support in this browser!');
}
navigator.getUserMedia({audio: true}, startUserMedia, function(e) {
console.log('No live audio input: ' + e);
});
};
*/