Something

	/* run, level coding */
	for (i = 0; i < FRAME_HEIGHT * FRAME_WIDTH; i++)
	{
		if (coeff[i] == 0)
		{
			run++;
			continue;
		}
printf ("%i ", i);
		code_buffer[index]     = run;         /* (run,   */
		code_buffer[index + 1] = coeff[i];    /*  level) */
		
		index += 2;
		run    = 0;
	}