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19 Multimedia

Bigloo provides various facilities for programming multimedia applications. It provides functions for parsing images and sounds and functions for controlling music players. All the functions, variables, and classes presented in the document are accessible via the multimedia library. Here is an example of module that uses this library:

;; Extract the thumbnail of a digital photography.
(module thumbnail
   (library multimedia)
   (main main))

(define (main argv)
   (when (and (pair? (cdr argv)) (file-exists? (cadr argv)))
      (let ((ex (jpeg-exif (cadr argv))))
          (when (exif? ex)
             (display (exif-thumbnail ex))))))

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