https://github.com/jhiesey/mp4-box-encoding

mp4 header reading and writing using the abstract-encoding interface
https://github.com/jhiesey/mp4-box-encoding

Last synced: 5 days ago
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mp4 header reading and writing using the abstract-encoding interface

• Host: GitHub
• URL: https://github.com/jhiesey/mp4-box-encoding
• Owner: jhiesey
• License: mit
• Created: 2016-01-31T05:53:11.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2021-07-09T18:52:28.000Z (almost 3 years ago)
• Last Synced: 2024-06-18T14:15:27.972Z (19 days ago)
• Language: JavaScript
• Size: 38.1 KB
• Stars: 48
• Watchers: 5
• Forks: 13
• Open Issues: 4
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Lists

• awesome-nodejs-pure-js - mp4-box-encoding - encoding interface (graphic (图形库))

README

        
[![abstract-encoding](https://img.shields.io/badge/abstract--encoding-compliant-brightgreen.svg?style=flat)](https://github.com/mafintosh/abstract-encoding)

# mp4-box-encoding

This module provides encoders and decoders with the

[abstract encoding](https://github.com/mafintosh/abstract-encoding) interface.

The module exports the interface for a generic box, including all headers and

children (for container boxes) Encodings for many leaf (non-container) boxes,

without headers, is available keyed by the box type:

``` js

var box = require('mp4-box-encoding')

var buffer = fs.readFileSync('myvideo.mp4')

// decode any box including headers

// decode the entire moov box and its children

var moov = box.decode(buffer.slice(24, 236989))

var moov.mfhd.mtime = new Date() // Change the modification time

// now this is an encoding of the modified moov box

var moofBuffer = box.encode(moov)

// decode the contents of just the stts box

var stts = box.decode(buffer.slice(609, 625))

```

These encodings are factored out of [mp4-stream](https://github.com/mafintosh/mp4-stream).

## License

MIT