Flacoutcpp Snesnopic
Use this command to install Flacoutcpp:
winget install --id=Snesnopic.Flacoutcpp -e Recompress FLAC files to the smallest possible
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README
flacoutcpp
flacoutcpp is a modern C++17 recreation of the original flacout utility. It focuses on providing extreme lossless FLAC recompression by using advanced dynamic programming techniques to find the absolute optimal block partitioning and LPC coefficients for the FLAC stream.
While the original tool was a closed-source Windows binary, this project reverse-engineered its core compression logic and ported it to a clean, multi-threaded C++ implementation that can run on any modern platform (including macOS ARM64 and Linux). It significantly outperforms the original in speed by leveraging std::thread to evaluate block configurations concurrently and includes early-exit heuristics to speed up exhaustive LPC searches without any loss in compression ratio.
By default, flacoutcpp acts as a drop-in FLAC optimizer, flawlessly cloning all original IDv3 tags, Vorbis Comments, cover arts, and other metadata into the recompressed output.
Building from source
The project uses CMake for its build system and includes libflac as a submodule. A C++17 compliant compiler is required.
To build the project:
mkdir build
cd build
cmake -DCMAKE_BUILD_TYPE=Release ..
cmake --build . --config Release
Usage
Usage: flacoutcpp [options] [output.flac]
Options:
-n, --no-metadata Do not copy metadata from input to output
If [output.flac] is omitted, it will default to .optimized.flac.