libtags

A cross-platform library for reading audio tags, designed mainly for highly constrained environments.

Some features:

• C, no memory allocations, no dependencies, portable, thread-safe
• minimalistic API
• MIT license
• flac, ogg/vorbis, ogg/opus, m4a, mp3, wav
• it, xm, s3m, mod
• id3v1, id3v2.*
• replay gain
• number of channels, sampling/bit rate, duration (unless it's a mod-like format)
• strings are converted to UTF-8 (from 437, ISO-8859-1 and UTF-16)
• very fast

Fuzzing has been performed with AFL++.

Usage

tags.h is the API which contains the documentation as well.

examples/readtags.c is a simple example that reads and prints out tags of the files specified on the command line.