mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-26 17:46:26 +03:00
Joey Parrish
1d1a0fcb46
This also cleans up compiler errors for: - Things required but not used - Things used but not required - Write-only local variables We are suppressing the 'unnecessaryCasts' error in specific places where it is, in fact, necessary to convert between unrelated types for polyfills and work-alikes. Change-Id: I155c746116f95383ea0a9caf9239fadccd8601af
86 lines
2.1 KiB
JavaScript
86 lines
2.1 KiB
JavaScript
/**
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* @license
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* Copyright 2015 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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goog.provide('shaka.media.DrmEngine');
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goog.require('shaka.util.IDestroyable');
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/**
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* @constructor
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* @struct
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* @implements {shaka.util.IDestroyable}
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*/
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shaka.media.DrmEngine = function() {
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// TODO
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};
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/**
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* @override
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*/
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shaka.media.DrmEngine.prototype.destroy = function() {
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// TODO
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};
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/**
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* Returns a Promise to map of EME support for well-known key systems.
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*
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* @return {!Promise.<!Object.<string, boolean>>}
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*/
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shaka.media.DrmEngine.support = function() {
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// Every object in the support hierarchy has a "basic" member.
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// All "basic" members must be true for the library to be usable.
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var basic =
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!!window.MediaKeys &&
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!!window.navigator &&
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!!window.navigator.requestMediaKeySystemAccess &&
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!!window.MediaKeySystemAccess &&
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!!window.MediaKeySystemAccess.prototype.getConfiguration;
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var support = {'basic': basic};
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var tests = [];
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if (support['basic']) {
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var testKeySystems = [
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'org.w3.clearkey',
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'com.widevine.alpha',
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'com.microsoft.playready',
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'com.apple.fps.2_0',
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'com.apple.fps.1_0',
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'com.apple.fps',
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'com.adobe.primetime'
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];
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testKeySystems.forEach(function(keySystem) {
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var p = navigator.requestMediaKeySystemAccess(keySystem, [{}])
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.then(function() {
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support[keySystem] = true;
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}, function() {
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support[keySystem] = false;
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});
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tests.push(p);
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});
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}
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return Promise.all(tests).then(function() {
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return support;
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});
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};
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