Yes, much of the demuxing and decoding relies on libav, but there are other demuxers and decoders in VLC as well. The library for handling DVD/BD playback is al

Yes, much of the demuxing and decoding relies on libav, but there are other demuxers and decoders in VLC as well. The library for handling DVD/BD playback is also distinct. Managing playback (flow, state, buffering..etc) itself is not a facility of libav so that is managed by the app.