The embedded HEVC decoder is libde265 1.0.15, built as a static dependency
of libheif v1.23.4. libde265 is distributed under the GNU Lesser General
Public License, version 3.0. The complete license text is provided as
libde265-COPYING.txt in this directory.
Source: https://github.com/strukturag/libde265/releases/tag/v1.0.15
The corresponding v1.0.15 release source archive and the Kivoza rebuild
materials are available in the public `source/` directory and listed at
`/licenses/`. Its SHA-256 is recorded in `source/README.txt`.