EME & MediaCapabilities Encryption Scheme Polyfill
A polyfill to add support for EncryptionScheme queries in EME and
MediaCapabilities.
Because this polyfill can't know what schemes the UA or CDM actually support,
it assumes support for the historically-supported schemes of each well-known
key system.
In source form (index.js
), this is compatible with the Closure Compiler and
the CommonJS module format. It can also be directly included via a script tag.
The minified bundle (dist/eme-encryption-scheme-polyfill.js
) is a standalone
module compatible with the CommonJS and AMD module formats, and can also be
directly included via a script tag.
The v2.0.3 build is about 5.3kB uncompressed, and gzips to about 1.7kB.
To avoid the possibility of extra user prompts, this will shim EME & MC so long
as they exist, without checking support for encryptionScheme
upfront. The
support check will happen on-demand the first time EME/MC are used.
Usage
npm install eme-encryption-scheme-polyfill
<script src="node_modules/eme-encryption-scheme-polyfill/dist/eme-encryption-scheme-polyfill.js"></script>
EncryptionSchemePolyfills.install();
EmeEncryptionSchemePolyfill.install();
McEncryptionSchemePolyfill.install();