ejpgl.cpp

ejpace source code for linux compiled with C language

// ejpgl.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
//#include "stdafx.h"
#include <stdio.h>
#include "ejpgl.h"

extern "C" INFOHEADER *bmpheader;

signed char pixelmatrix[MACRO_BLOCK_SIZE][MACRO_BLOCK_SIZE*3];
signed char YMatrix[MATRIX_SIZE][MATRIX_SIZE];
signed char CrMatrix[MATRIX_SIZE][MATRIX_SIZE];
signed char CbMatrix[MATRIX_SIZE][MATRIX_SIZE];

extern "C" int openBMPJPG(int argc, char* bmpfilename, char* jpgfilename);
extern "C"  int closeBMPJPG();
extern "C"  int dct_init_start();
extern "C"  int zzq_encode_init_start(int compression);
extern "C"  int vlc_init_start();
extern "C"  void get_MB(int mb_row, int mb_col, signed char pixelmatrix[MACRO_BLOCK_SIZE][MACRO_BLOCK_SIZE*3]);
extern "C"  void RGB2YCrCb(signed char pixelmatrix[MACRO_BLOCK_SIZE][MACRO_BLOCK_SIZE*3],signed char YMatrix[MATRIX_SIZE][MATRIX_SIZE],signed char CrMatrix[MATRIX_SIZE][MATRIX_SIZE],signed char CbMatrix[MATRIX_SIZE][MATRIX_SIZE], unsigned int sample);
extern "C"  void dct(signed char pixels[8][8], int color);
extern "C"  int	dct_stop_done() ;
extern "C"  int zzq_encode_stop_done();
extern "C"  int vlc_stop_done();

int main(int argc, char* argv[])
{
	int compression =0,sample;
	unsigned int col, cols, row, rows;

  	openBMPJPG(argc, argv[1], argv[2]);

	//openBMPJPG(argc, "test.bmp", "test.jpg");
 
	rows = bmpheader->height>>4;
    cols = bmpheader->width>>4;

	dct_init_start();
	zzq_encode_init_start(compression);
	vlc_init_start();
				 
       for (row = 0; row < rows; row++) {
      		for (col = 0; col < cols; col++) {
			get_MB(row, col, pixelmatrix);
			for(sample=0;sample<5;sample++) {
				if(sample<4) {
					RGB2YCrCb(pixelmatrix,YMatrix,CrMatrix,CbMatrix,sample);  		
					dct(YMatrix,0);
				} else {
					dct(CrMatrix,1);					
					dct(CbMatrix,2);						
				}
			}
		}
         }
	
	dct_stop_done();
	zzq_encode_stop_done();
	vlc_stop_done();

	closeBMPJPG();
	return 0;
	
}