Third-party notice: FFmpeg

This product includes portions of FFmpeg 9.0.2, Copyright (c) the FFmpeg
developers. The bundled FFmpeg libraries are built from the unmodified signed
release source using the configuration recorded in
external/ffmpeg/src/PROVENANCE.md. They report "LGPL version 2.1 or later" and
are redistributed under the GNU Lesser General Public License, version 2.1 or
any later version.

A copy of LGPL version 2.1 is provided in COPYING.LGPLv2.1. The corresponding
FFmpeg source release, detached signature, exact SHA-256, build recipe and
provenance are included in the source distribution and available from the
source repository identified by the package metadata.
