IETF Opus audio codec reference implementation. The source in this directory was copied from an opus repository checkout by running the ./update.sh script. Any changes made to this version of the source should be reflected in that script, e.g. by applying patch files after the copy step. The upstream repository is https://git.xiph.org/opus.git The git tag/revision used was v1.3-rc-19-g5cbd7d5f.