internal bool Flush(out OggPage page) => SafeNativeMethods.OggStreamFlush(_state, out page) != 0;
internal bool PageOut(out OggPage page) => SafeNativeMethods.OggSyncPageOut(_state, out page) == 1;
internal bool PageOut(out OggPage page) => SafeNativeMethods.OggStreamPageOut(_state, out page) != 0;