Chapter 13, Problem 11AW

Explanation of Solution

Playing video files:

• The classes “Media”, “MediaPlayer” and “MediaView” are used for playing media files.
• The media file is been loaded into memory by “Media” class.
• The methods for playing media files are been provided by “MediaPlayer” class.
• The “MediaView” class could be inserted into scene graph; it affords a way to view video on screen.
• The steps involved in process of playing a media file includes:
  • The media file is been loaded into memory.
    • An instance of “Media” class is been created.
  • The media file’s playback is been controlled.
    • An instance of “MediaPlayer” class is been created.
    • It controls playback of video.
  • Display the video file
    • An instance of “MediaView” class is been created.
    • The “MediaPlayer” object is been passed as an argument to constructor.
    • It could be added to scene graph.
    • The size of viewing window could be adjusted with “setFitWidth” and “setFitHeight” methods.
    • The video is resized to fit within viewing window.
• The methods that help to play video file includes:
  • play():
    • It starts playing video file.
    • Normally, it starts playing video file from beginning.
    • If video file is been paused currently, the method resumes from point it was paused.
  • pause():
    • It pauses the video file.
    • The “play” method causes video file to resume playing at point where it was paused.
  • stop():
    • It stops video file’s playback...