decode the codec= string in a media mime type
supports
- HEVC (hvc1, hev1)
- AVC (avc1)
- AAC (mp4a)
- AV1 (av01)
- E-AC3 (ec-3) - no processing required
- VP9 - see https://www.webmproject.org/vp9/mp4/
- EVC - refer annex E.9 of ISO/IEC 14496-15:2022
- VVC - refer annex E.6 of ISO/IEC 14496-15:2022
- MPEG-H
- AVS3 video and audio
- AVS2 audio
- LCEVC - refer to ISO/IEC 14496-15:2022 Amd.1
- Install nodejs
- Install required packages:
npm ciCreate the codec-string.js bundles:
npm run buildThis will produce a dist directory with three different flavors of
package:
- ESM module (in the
dist/esmdirectory) - CommonJS module (in the
dist/cjsdirectory) - Legacy global namespace (in the
dist/scriptdirectory)
Each directory will contain a codec-string.js file containing the
library and an example application (app.js and index.html).
import { decode } from 'esm/codec-string.js';
console.log(decode('avc1.64002A'));const { decode } = require('cjs/codec-string.js');
console.log(decode('avc1.64002A'));<!doctype html>
<html>
<head>
<script src="script/codec-string.js"></script>
</head>
<body>
<script type="application/javascript">
console.log(window.CodecString.decode('avc1.64002A'));
</script>
</body>
</html>This software is distributed under the terms of the Simplified BSD License.
See the file LICENSE.txt for details.
Copyright (c) 2021-2024, Paul Higgs
All rights reserved