Roadmap

[lovesegfault]

Following the discussion on IRC in the past couple of days, I thought it would be fitting to work on a roadmap to be able to implement an MP3 decoder in pure Rust. These are the resources we have

Other Decoders

• Fluendo (C)
• mp3decoder (Haskell)
• mp3dec (C)
• pyMP3 (Python)
• minimp3 (C)
• Many others

Resources

• The Theory Behind MP3
• How is MP3 Built
• MPEG Audio Basics
• Let's Build an MP3 Decoder

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Roadmap of the project:

• header parsing (Frame header parser and some help functions and tables. #4)
• obtain sample files (Assemble/find a list of test vectors #7)
• frame parsing (Frame parsing logic #8)
• bit reader
• Layer I
• Layer II
• Layer III
  • side information decoder
  • huffman decoder
  • imdct implementation
  • synth
  • TBD

[lieff]

Hi, may be this helps https://github.com/germangb/minimp3-rs . It can be transformed to pure rust step-by-step.

[lovesegfault]

@lieff That actually is extremely useful!

[lovesegfault]

@lieff Could you look on #7 and maybe help us understand those files?

[skierpage]

https://github.com/icefoxen/rinimp3 is "An attempt to make a port of lieff's minimp3 to Rust."