ince every Opus packet is processed byte-by-byte.
            In this specification, 'sample' means 'Opus sample' except for 'padded samples', 'priming samples', 'valid
            sample' and 'sample-accurate', i.e. 'sample' is 'sample' in the term defined in ISO/IEC 14496-12 [1].

                +-----------------------------------------+-------------------------------------+
                | Opus packet 0 (self-delimiting framing) | Opus packet 1 (undelimited framing) |
                +---------------