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GUAC-1354: Use Guacamole.AudioPlayer.getSupportedTypes() to query available audio mimetypes within webapp.

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This commit is contained in:
Michael Jumper
2015-09-30 17:07:14 -07:00
parent 572534c6d3
commit 324c800167
1 changed files with 3 additions and 74 deletions
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77
guacamole/src/main/webapp/app/client/services/guacAudio.js
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@@ -1,5 +1,5 @@
/*
* Copyright (C) 2014 Glyptodon LLC
* Copyright (C) 2015 Glyptodon LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
@@ -31,82 +31,11 @@ angular.module('client').factory('guacAudio', [function guacAudio() {
return new (function() {
/**
* Array of codecs to test.
* Array of all supported audio mimetypes.
*
* @type String[]
*/
var codecs = [
'audio/ogg; codecs="vorbis"',
'audio/mp4; codecs="mp4a.40.5"',
'audio/mpeg; codecs="mp3"',
'audio/webm; codecs="vorbis"',
'audio/wav; codecs=1'
];
/**
* Array of all codecs that are reported as "probably" supported.
*
* @type String[]
*/
var probably_supported = [];
/**
* Array of all codecs that are reported as "maybe" supported.
*
* @type String[]
*/
var maybe_supported = [];
/**
* Internal audio element for the sake of testing codec support. If
* audio is explicitly not supported by the browser, this will instead
* be null.
*
* @type Audio
*/
var audio = null;
// Attempt to create audio element
try {
audio = new Audio();
}
catch (e) {
// If creation fails, allow audio to remain null
}
/**
* Array of all supported audio mimetypes, ordered by liklihood of
* working.
*/
this.supported = [];
// Build array of supported audio formats (if audio supported at all)
if (audio) {
codecs.forEach(function(mimetype) {
var support_level = audio.canPlayType(mimetype);
// Trim semicolon and trailer
var semicolon = mimetype.indexOf(";");
if (semicolon !== -1)
mimetype = mimetype.substring(0, semicolon);
// Partition by probably/maybe
if (support_level === "probably")
probably_supported.push(mimetype);
else if (support_level === "maybe")
maybe_supported.push(mimetype);
});
// Add probably supported types first
Array.prototype.push.apply(
this.supported, probably_supported);
// Prioritize "maybe" supported types second
Array.prototype.push.apply(
this.supported, maybe_supported);
}
this.supported = Guacamole.AudioPlayer.getSupportedTypes();
})();