Global variable for timing FLI playback.


extern volatile int fli_timer;
Global variable for timing FLI playback. When you open an FLI file, a timer interrupt is installed which increments this variable every time a new frame should be displayed. Calling next_fli_frame() decrements it, so you can test it and know that it is time to display a new frame if it is greater than zero. Example:
      while (next_fli_frame(0) == FLI_OK) {
	 /* Do stuff, like play audio stream
	    or check keys to skip animation. */
	 /* Rest some time until next frame... */
	 while (fli_timer <= 0)

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