NOTICE

opus-m: C++ module wrapper
Copyright (c) 2026 mcpp-community contributors

The wrapper contributions are licensed under the Apache License, Version 2.0.
Upstream code, copied interfaces and dependencies retain their original
licenses and copyright notices. The three libraries this wrapper links are
distributed under the BSD 3-Clause License:

  libopus 1.6.1   Copyright 2001-2023 Xiph.Org, Skype Limited, Octasic,
                  Jean-Marc Valin, Timothy B. Terriberry, CSIRO,
                  Gregory Maxwell, Mark Borgerding, Erik de Castro Lopo,
                  Mozilla, Amazon
  opusfile 0.12   Copyright (c) 1994-2013 Xiph.Org Foundation and contributors
  libogg 1.3.6    Copyright (c) 2002, Xiph.org Foundation

Opus is subject to the royalty-free patent licenses referenced in
upstream/opus/COPYING. Each library's original README and license are retained
in upstream/opus/, upstream/opusfile/ and upstream/ogg/. The libraries are
built by compat.opus, compat.opusfile and compat.ogg from the same releases;
this wrapper links them, it does not modify them.

examples/opus/conformance/opus_compare.c is libopus 1.6.1's src/opus_compare.c,
unchanged, under the same BSD 3-Clause License (Copyright (c) 2011-2012
Xiph.Org Foundation, Mozilla Corporation). The conformance runner reads the
RFC 8251 test vectors from opus-codec.org; they are not redistributed here.

Provenance and checksums are recorded in upstream/documents.json.