MPEG-4 Book, The

5.2. MPEG-J APIs

So far the way MPEGlets and all the associated data are received and executed at the MPEG-J terminal has been analyzed. It has been seen that MPEGlets can make API calls that are defined in the Java packages supported by the platform. For those readers familiar with Java packages,^[8] java.io, java.lang, and java.util are three Java packages that have to be supported by the Java platform present in the terminal. In other words, all MPEG-J–enabled terminals must normatively support these Java packages in their implementation. The MPEGlets can also make function calls that are defined in application-specific classes. In the last section, a mechanism for delivering all the dependent classes at the terminal was presented. The third ...