#include "ejpgl.h"extern signed int weights[512];signed short dctresult[MATRIX_SIZE][MATRIX_SIZE];int dct_init_start() {	return 0;}int	dct_stop_done() {	return 0;	}/*	Function Name: dct	Operation: Find the 8x8 DCT of an array using separable DCT	First, finds 1-d DCT along rows, storing the result in inter[][]	Then, 1-d DCT along columns of inter[][] is found	Input: pixels is the 8x8 input array	Output: dct is the 8x8 output array*/void dct(signed char pixels[8][8], int color){	int inr, inc; 		/* rows and columns of input image */	int intr, intc;		/* rows and columns of intermediate image */	int outr, outc;		/* rows and columns of dct */	int f_val;		/* cumulative sum */	int inter[8][8];	/* stores intermediate result */	int i,j,k;        k=0; 	for (intr=0; intr<8; intr++)		for (intc=0; intc<8; intc++) {			for (i=0,f_val=0; i<8; i++) {				f_val += (pixels[intr][i]* weights[k]);//cos((double)(2*i+1)*(double)intc*PI/16);                            k++;			}                     if (intc!=0) inter[intr][intc] =  f_val>>15;                     else inter[intr][intc] =  (11585*(f_val>>14))>>15;                }	/* find 1-d dct along columns */ 	for (outc=0, k=0; outc<8; outc++)		for (outr=0; outr<8; outr++) {			for (i=0,f_val=0; i<8; i++) {				f_val += (inter[i][outc] *weights[k]);                            k++;			}                     if (outr!=0) dctresult[outr][outc] = f_val>>15;                     else dctresult[outr][outc] = (11585*(f_val>>14)>>15);		}	zzq_encode(dctresult, color);	return;}signed int weights[512] = {16384,16384,16384,16384,16384,16384,16384,16384,16069,13623,9102,3196,-3196,-9102,-13623,-16069,15137,6270,-6270,-15137,-15137,-6270,6270,15137,13623,-3196,-16069,-9103,9102,16069,3196,-13623,11585,-11585,-11585,11585,11585,-11585,-11585,11585,9102,-16069,3196,13623,-13623,-3197,16069,-9102,6270,-15137,15137,-6270,-6270,15137,-15137,6270,3196,-9103,13623,-16069,16069,-13623,9102,-3196,16384,16384,16384,16384,16384,16384,16384,16384,16069,13623,9102,3196,-3196,-9102,-13623,-16069,15137,6270,-6270,-15137,-15137,-6270,6270,15137,13623,-3196,-16069,-9103,9102,16069,3196,-13623,11585,-11585,-11585,11585,11585,-11585,-11585,11585,9102,-16069,3196,13623,-13623,-3197,16069,-9102,6270,-15137,15137,-6270,-6270,15137,-15137,6270,3196,-9103,13623,-16069,16069,-13623,9102,-3196,16384,16384,16384,16384,16384,16384,16384,16384,16069,13623,9102,3196,-3196,-9102,-13623,-16069,15137,6270,-6270,-15137,-15137,-6270,6270,15137,13623,-3196,-16069,-9103,9102,16069,3196,-13623,11585,-11585,-11585,11585,11585,-11585,-11585,11585,9102,-16069,3196,13623,-13623,-3197,16069,-9102,6270,-15137,15137,-6270,-6270,15137,-15137,6270,3196,-9103,13623,-16069,16069,-13623,9102,-3196,16384,16384,16384,16384,16384,16384,16384,16384,16069,13623,9102,3196,-3196,-9102,-13623,-16069,15137,6270,-6270,-15137,-15137,-6270,6270,15137,13623,-3196,-16069,-9103,9102,16069,3196,-13623,11585,-11585,-11585,11585,11585,-11585,-11585,11585,9102,-16069,3196,13623,-13623,-3197,16069,-9102,6270,-15137,15137,-6270,-6270,15137,-15137,6270,3196,-9103,13623,-16069,16069,-13623,9102,-3196,16384,16384,16384,16384,16384,16384,16384,16384,16069,13623,9102,3196,-3196,-9102,-13623,-16069,15137,6270,-6270,-15137,-15137,-6270,6270,15137,13623,-3196,-16069,-9103,9102,16069,3196,-13623,11585,-11585,-11585,11585,11585,-11585,-11585,11585,9102,-16069,3196,13623,-13623,-3197,16069,-9102,6270,-15137,15137,-6270,-6270,15137,-15137,6270,3196,-9103,13623,-16069,16069,-13623,9102,-3196,16384,16384,16384,16384,16384,16384,16384,16384,16069,13623,9102,3196,-3196,-9102,-13623,-16069,15137,6270,-6270,-15137,-15137,-6270,6270,15137,13623,-3196,-16069,-9103,9102,16069,3196,-13623,11585,-11585,-11585,11585,11585,-11585,-11585,11585,9102,-16069,3196,13623,-13623,-3197,16069,-9102,6270,-15137,15137,-6270,-6270,15137,-15137,6270,3196,-9103,13623,-16069,16069,-13623,9102,-3196,16384,16384,16384,16384,16384,16384,16384,16384,16069,13623,9102,3196,-3196,-9102,-13623,-16069,15137,6270,-6270,-15137,-15137,-6270,6270,15137,13623,-3196,-16069,-9103,9102,16069,3196,-13623,11585,-11585,-11585,11585,11585,-11585,-11585,11585,9102,-16069,3196,13623,-13623,-3197,16069,-9102,6270,-15137,15137,-6270,-6270,15137,-15137,6270,3196,-9103,13623,-16069,16069,-13623,9102,-3196,16384,16384,16384,16384,16384,16384,16384,16384,16069,13623,9102,3196,-3196,-9102,-13623,-16069,15137,6270,-6270,-15137,-15137,-6270,6270,15137,13623,-3196,-16069,-9103,9102,16069,3196,-13623,11585,-11585,-11585,11585,11585,-11585,-11585,11585,9102,-16069,3196,13623,-13623,-3197,16069,-9102,6270,-15137,15137,-6270,-6270,15137,-15137,6270,3196,-9103,13623,-16069,16069,-13623,9102,-3196};