lib/audiodec.js and lib/audiodec.wasm contain parts of FFmpeg 7.1.2 (libavcodec, libavutil,
libswresample: the AC-3, E-AC-3, DTS, TrueHD/MLP and MP1/MP2 decoders and parsers), built to
WebAssembly with Emscripten.

FFmpeg is free software licensed under the GNU Lesser General Public License, version 2.1 or later:
https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
FFmpeg source code: https://ffmpeg.org/releases/ffmpeg-7.1.2.tar.xz

The wrapper source (tools/audiodec/audiodec.c) and the exact build script (tools/audiodec/build.sh)
are included in this repository, so the binary can be rebuilt or replaced with a modified FFmpeg.
