The Control and Processing Chains
Four key classes play central roles in all JMF control and processing. These four classes form links in a chain who's first element is always a source of media. Depending on the particular task that media is then handled (such as playing or processing), that handling might be the end result itself (such as a Player); or the handling might result in a new data source or even a persistent media object (for example, a new media file).
Figure 8.9 shows the key classes involved in playing media. The media is sourced through a DataSource object. That is used to create a Player object, which renders the media to the appropriate hardware devices.
Figure 8.9. Playing media with the JMF: The media is sourced through a ...
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