The FFmpeg libraries here (avcodec, avutil, swresample) are an unmodified prebuilt
LGPL shared build of FFmpeg 7.1.5 from BtbN/FFmpeg-Builds, licensed under the
GNU LGPL version 3 or later (FFmpeg-LICENSE.txt). They are dynamically linked.

Build:  https://github.com/BtbN/FFmpeg-Builds/releases/download/autobuild-2026-06-30-13-34/ffmpeg-n7.1.5-1-g7d0e842004-win64-lgpl-shared-7.1.zip
Source: https://github.com/FFmpeg/FFmpeg/tree/release/7.1 (the commit is in the file name)
Build scripts: https://github.com/BtbN/FFmpeg-Builds
