mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-15 16:06:41 +03:00
Agajan J.
58f666ba7a
Fixes https://github.com/shaka-project/shaka-player/issues/7354 These platforms don't support `encryptionScheme`, so there is no need to install this polyfil.
41 lines
1.2 KiB
JavaScript
41 lines
1.2 KiB
JavaScript
/*! @license
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* Shaka Player
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* Copyright 2016 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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goog.provide('shaka.polyfill.EncryptionScheme');
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goog.require('shaka.polyfill');
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goog.require('shaka.util.Platform');
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/**
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* @summary A polyfill to add support for EncryptionScheme queries in EME.
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* @see https://wicg.github.io/encrypted-media-encryption-scheme/
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* @see https://github.com/w3c/encrypted-media/pull/457
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* @see https://github.com/shaka-project/eme-encryption-scheme-polyfill
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* @export
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*/
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shaka.polyfill.EncryptionScheme = class {
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/**
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* Install the polyfill if needed.
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*
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* @suppress {missingRequire}
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* @export
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*/
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static install() {
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// Skip polyfill for PlayStation 4 and SkyQ devices due to known crashes
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// caused by unsupported encryptionScheme handling. These platforms do not
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// require the polyfill, and forcing encryptionScheme processing can result
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// in playback crashes.
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if (shaka.util.Platform.isPS4() || shaka.util.Platform.isSkyQ()) {
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return;
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}
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EncryptionSchemePolyfills.install();
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}
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};
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// Install at a low priority so that other EME polyfills go first.
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shaka.polyfill.register(shaka.polyfill.EncryptionScheme.install, -2);
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