taglib_ffi #

Use TagLib to manage audio metadata tags in dart/flutter.

WIP #

taglib_ffi is currently work in progress. API may change in the future.

Currently test on Android and Linux.

Usage #

import 'package:taglib_ffi_dart/taglib_ffi_dart.dart' as taglib;

final filePath = 'path/to/audio/file';

await taglib.initialize();

final metadata = await taglib.readMetadata(filePath);

For Android platform,

where metadata is:

class Metadata {
  final String? title;
  final String? artist;
  final String? album;
  final String? albumArtist;
  final int? track;
  final int? albumTotalTrack;
  final int? year;
  final String? genre;
  final String? comment;
  final int? sampleRate;
  final int? bitrate;
  final int? channels;
  final int? length;
  final String? lyrics;
  final Uint8List? albumCover;
}

Features #

Platform support #

• Android
• iOS
• Linux
• macOS
• Windows (coming soon)

I don't have Apple device, feel free to PR if you would like to help for this!

Format support #

Tag support #

• Title
• Artist
• Album
• Album artist
• Track number
• Album track number
• Year
• Genre
• Comment
• Sample rate
• Bitrate
• Channels
• Duration
• Lyrics
• Album cover image
  • Multiple images with type
• Custom tags

Install #

Add taglib_ffi_dart and taglib_ffi_dart_libs to pubspec.yaml as dependencies.

Use packages hosted on pub:

dependencies:
  taglib_ffi_dart: current_version
  taglib_ffi_dart_libs: current_version

Build from source #

All #

All platforms should generate the binding dart code first.

dart pub get
dart run ffigen --config ffigen.yaml

• Set llvm directory in ffigen.yaml if llvm is not found on Windows.

  # For Windows:
  # llvm-path:
  #   - 'D:\PATH\TO\LLVM'
  

• Run the following command if system header is not found on Linux.
  • export CPATH="$(clang -v 2>&1 | grep "Selected GCC installation" | rev | cut -d' ' -f1 | rev)/include"
  • See dart-lang issue

Android #

# Export env, SDK and NDK are required.
export ANDROID_HOME=/path/to/Android/SDK

cd packages

# Build and save libs
./taglib_ffi_dart/scripts/build_android.sh ./taglib_ffi_dart_libs/android/src/main/jniLibs

After that, libs are automatically bundled with app.

Linux #

./taglib_ffi_dart/scripts/build_linux.sh ./taglib_ffi_dart_libs/linux

After that, libs are automatically bundled with app.

Windows #

TODO