mediumi: A Media Toolkit

About this

mediumi is a media toolkit written from scratch in Rust. It provides the following features.

Features

• Media container demuxer and muxer for the following containers
  • MP4 / Fragmented MP4
  • MPEG2-TS
• Parser and Serializers and for the following codecs
  • AAC (ADTS)
  • AC-3 (A/52)
  • H.264 (AVC)
• Encrypter
  • Common Encryption (CENC) for fmp4/cmaf: cenc (AES-128-CTR) and cbcs (AES-128-CBC, 1:9 pattern)

Crates

• mediumi-aac
  • AAC (ADTS) bitstream parser and serializer
• mediumi-ac3
  • AC-3 (A/52) bitstream parser and serializer
• mediumi-crypto
  • Common Encryption (CENC) encrypter for fmp4/cmaf (H.264 video, AAC audio); cenc and cbcs schemes
• mediumi-h264
  • H.264 (AVC) bitstream parser and serializer
• mediumi-mpeg2ts
  • MPEG2-TS container demuxer and muxer

Build

$ make build-all     # Build all crates
$ make build-aac     # Build specific crate
$ make build-ac3
$ make build-h264
$ make build-mp4
$ make build-mpeg2ts

Test

$ make test-all     # Test all crates
$ make test-aac     # Test specific crate
$ make test-ac3
$ make test-h264
$ make test-mp4
$ make test-mpeg2ts

Specification

• AAC (ADTS)
  • ISO/IEC 14496-3
• AC-3 (A/52)
  • ATSC A/52
• H.264
  • ISO/IEC 14496-10
• MP4
  • ISO/IEC 14496-12
  • ISO/IEC 14496-15
• MPEG2-TS
  • ISO/IEC 13818-1
• CENC (Common Encryption)
  • ISO/IEC 23001-7

Status

This project is under active development. APIs may change without notice.

Contributing

Contributions are welcome.
If you find a bug, have a feature request, or want to improve the implementation, please open an issue or submit a pull request.