• Select stream
  
• Parallel processing
  
• MPEG function
  
  Play video
  Still image playback (high definition, JPEG)
  Window function
  Visual effects function
  (Mosaic, Blur, Chroma Key, Fade In / Fade Out)
  Branch playback function
  Pause, freeze, frame advance, slow playback
  MPEG buffer function

The CD-ROM system temporarily stores the data read from the CD-ROM in the CD buffer. The stored data is written to and read from MPEG and the main system according to commands from the main system.
The data flow of the CD-ROM system is shown in Figure 3.29.

Figure 3.29 CD-ROM system data flow