mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-20 16:57:25 +03:00
Joey Parrish
4cc4e96dbd
* Updates all Copyright years to 2015. * Adds licenses annotations to all JS. * Makes all licenses identical to avoid repeated appearance in the compiled output. * Drops fileoverview annotations, which do not affect docs output. * The linter still requires fileoverview on externs. This patch required a newer closure compiler, since the previous version we used had a bug regarding license annotations that caused the license comment block to appear in the output once per file regardless of uniqueness. Change-Id: I2e9272db680cba7ecc4613d97f1d3a94ac2244cc
64 lines
2.0 KiB
JavaScript
64 lines
2.0 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.util.EmeUtils');
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/**
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* @namespace shaka.util.EmeUtils
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* @summary A set of EME utility functions.
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*/
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/**
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* Gets the error message for the given key status.
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*
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* @param {string} status
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* @return {?string}
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* @see {@link https://w3c.github.io/encrypted-media/#idl-def-MediaKeyStatus}
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*/
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shaka.util.EmeUtils.getKeyStatusErrorMessage = function(status) {
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var message = shaka.util.EmeUtils.KEY_STATUS_ERROR_MAP_[status];
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// usable, output-downscaled, and status-pending are not errors.
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// The assertion helps catch future status message changes.
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shaka.asserts.assert(message ||
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status === 'usable' ||
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status === 'output-downscaled' ||
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status === 'status-pending',
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'Unexpected key status value: ' + status);
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return message || null;
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};
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/**
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* A map from key statuses to error messages. Key statuses that are not
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* errors are not included in the map.
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*
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* @const {!Object.<string, string>}
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* @private
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*/
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shaka.util.EmeUtils.KEY_STATUS_ERROR_MAP_ = {
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'output-restricted': 'The required output protection is not available.',
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// This has been removed from the EME spec and deprecated, but some browsers
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// may still use it.
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'output-not-allowed': 'The required output protection is not available.',
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'expired': 'The decryption key has expired.',
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'internal-error': 'The key system has encountered an unspecified error.'
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};
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