yanchengPowerSupply/node_modules/videojs-contrib-hls/es5/decrypter-worker.js

47 lines
1.4 KiB
JavaScript

'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
var _globalWindow = require('global/window');
var _globalWindow2 = _interopRequireDefault(_globalWindow);
var _aesDecrypter = require('aes-decrypter');
var _binUtils = require('./bin-utils');
/**
* Our web worker interface so that things can talk to aes-decrypter
* that will be running in a web worker. the scope is passed to this by
* webworkify.
*
* @param {Object} self
* the scope for the web worker
*/
var DecrypterWorker = function DecrypterWorker(self) {
self.onmessage = function (event) {
var data = event.data;
var encrypted = new Uint8Array(data.encrypted.bytes, data.encrypted.byteOffset, data.encrypted.byteLength);
var key = new Uint32Array(data.key.bytes, data.key.byteOffset, data.key.byteLength / 4);
var iv = new Uint32Array(data.iv.bytes, data.iv.byteOffset, data.iv.byteLength / 4);
/* eslint-disable no-new, handle-callback-err */
new _aesDecrypter.Decrypter(encrypted, key, iv, function (err, bytes) {
_globalWindow2['default'].postMessage((0, _binUtils.createTransferableMessage)({
source: data.source,
decrypted: bytes
}), [bytes.buffer]);
});
/* eslint-enable */
};
};
exports['default'] = function (self) {
return new DecrypterWorker(self);
};
module.exports = exports['default'];