@l5i/dashjs/build/es5/externals/base64.js

A reference client implementation for the playback of MPEG DASH via Javascript and compliant browsers.

/* $Date: 2007-06-12 18:02:31 $ */ // from: http://bannister.us/weblog/2007/06/09/simple-base64-encodedecode-javascript/
// Handles encode/decode of ASCII and Unicode strings.
'use strict';var UTF8={};UTF8.encode = function(s){var u=[];for(var i=0;i < s.length;++i) {var c=s.charCodeAt(i);if(c < 0x80){u.push(c);}else if(c < 0x800){u.push(0xC0 | c >> 6);u.push(0x80 | 63 & c);}else if(c < 0x10000){u.push(0xE0 | c >> 12);u.push(0x80 | 63 & c >> 6);u.push(0x80 | 63 & c);}else {u.push(0xF0 | c >> 18);u.push(0x80 | 63 & c >> 12);u.push(0x80 | 63 & c >> 6);u.push(0x80 | 63 & c);}}return u;};UTF8.decode = function(u){var a=[];var i=0;while(i < u.length) {var v=u[i++];if(v < 0x80){ // no need to mask byte
}else if(v < 0xE0){v = (31 & v) << 6;v |= 63 & u[i++];}else if(v < 0xF0){v = (15 & v) << 12;v |= (63 & u[i++]) << 6;v |= 63 & u[i++];}else {v = (7 & v) << 18;v |= (63 & u[i++]) << 12;v |= (63 & u[i++]) << 6;v |= 63 & u[i++];}a.push(String.fromCharCode(v));}return a.join('');};var BASE64={};(function(T){var encodeArray=function encodeArray(u){var i=0;var a=[];var n=0 | u.length / 3;while(0 < n--) {var v=(u[i] << 16) + (u[i + 1] << 8) + u[i + 2];i += 3;a.push(T.charAt(63 & v >> 18));a.push(T.charAt(63 & v >> 12));a.push(T.charAt(63 & v >> 6));a.push(T.charAt(63 & v));}if(2 == u.length - i){var v=(u[i] << 16) + (u[i + 1] << 8);a.push(T.charAt(63 & v >> 18));a.push(T.charAt(63 & v >> 12));a.push(T.charAt(63 & v >> 6));a.push('=');}else if(1 == u.length - i){var v=u[i] << 16;a.push(T.charAt(63 & v >> 18));a.push(T.charAt(63 & v >> 12));a.push('==');}return a.join('');};var R=(function(){var a=[];for(var i=0;i < T.length;++i) {a[T.charCodeAt(i)] = i;}a['='.charCodeAt(0)] = 0;return a;})();var decodeArray=function decodeArray(s){var i=0;var u=[];var n=0 | s.length / 4;while(0 < n--) {var v=(R[s.charCodeAt(i)] << 18) + (R[s.charCodeAt(i + 1)] << 12) + (R[s.charCodeAt(i + 2)] << 6) + R[s.charCodeAt(i + 3)];u.push(255 & v >> 16);u.push(255 & v >> 8);u.push(255 & v);i += 4;}if(u){if('=' == s.charAt(i - 2)){u.pop();u.pop();}else if('=' == s.charAt(i - 1)){u.pop();}}return u;};var ASCII={};ASCII.encode = function(s){var u=[];for(var i=0;i < s.length;++i) {u.push(s.charCodeAt(i));}return u;};ASCII.decode = function(u){for(var i=0;i < s.length;++i) {a[i] = String.fromCharCode(a[i]);}return a.join('');};BASE64.decodeArray = function(s){var u=decodeArray(s);return new Uint8Array(u);};BASE64.encodeASCII = function(s){var u=ASCII.encode(s);return encodeArray(u);};BASE64.decodeASCII = function(s){var a=decodeArray(s);return ASCII.decode(a);};BASE64.encode = function(s){var u=UTF8.encode(s);return encodeArray(u);};BASE64.decode = function(s){var u=decodeArray(s);return UTF8.decode(u);};})("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"); /*The following polyfills are not used in dash.js but have caused multiplayer integration issues.
 Therefore commenting them out.
if (undefined === btoa) {
    var btoa = BASE64.encode;
}
if (undefined === atob) {
    var atob = BASE64.decode;
}
*/if(typeof exports !== 'undefined'){exports.decode = BASE64.decode;exports.decodeArray = BASE64.decodeArray;exports.encode = BASE64.encode;exports.encodeASCII = BASE64.encodeASCII;}
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