aucdtect_linux

Starter project for a Linux clone of auCDtect and auCDtect Task Manager, implemented in C++ with Qt Widgets plus a shared analysis core.

Current scope

Queue-based desktop UI for adding lossless audio files
Built-in WAV analyzer with multi-feature CDDA/MPEG heuristic classification
Optional external decoder for formats that must be converted to WAV first
Parallel worker queue, detailed task view, live log, and report export
Separate CLI executable aucdtect using the same engine as the GUI

Command templates

The UI accepts an optional decoder command with placeholders:

{input}: source audio file
{decoded}: temporary WAV path
{report}: report output path

Recommended setup:

Decoder command: ffmpeg -loglevel error -y -i {input} -map 0:a:0 -vn -sn -dn -ar 44100 -ac 2 -c:a pcm_s16le {decoded}

If the input file is already WAV, the built-in analyzer runs directly and the decoder is skipped.

Build

CMake

cmake -S . -B build
cmake --build build

GUI binary: build/aucdtect_linux

CLI binary: build/aucdtect <input.wav> [more.wav ...]

Install into a staging prefix:

cmake --install build --prefix /tmp/aucdtect-linux

The install target includes the GUI binary, CLI binary, desktop launcher, and app icons.

Feature dump:

build/aucdtect --dump-features /path/to/file.wav

Dataset evaluation:

tools/eval_dataset.sh samples dataset_eval.csv

Arch Linux package

The repository includes a VCS PKGBUILD:

makepkg -si

Recommended sample layout:

samples/
  cdda/
    album1-track01.flac
    album1-track02.flac
  mp3_to_flac/
  aac_to_flac/
  uncertain/

Direct Qt5 build

g++ -std=c++20 -fPIC src/main.cpp src/MainWindow.cpp src/AudioAnalyzer.cpp -o aucdtect_linux $(pkg-config --cflags --libs Qt5Widgets Qt5Concurrent)
g++ -std=c++20 -fPIC src/cli_main.cpp src/AudioAnalyzer.cpp -o aucdtect $(pkg-config --cflags --libs Qt5Core)

Next steps

Calibrate the spectral model against known genuine-CDDA and transcode samples
Replicate the original Windows layout and task detail panes even more faithfully
Replace the temporary decoder bridge with native format readers
Add cancelation that can terminate active decoder subprocesses immediately

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