JPEGDecoderL4TMHelper.h

#ifndef __NV_JPEG_ENCODER_H__
#define __NV_JPEG_ENCODER_H__
 
#include <stdint.h>
#include<stdio.h>
#include "libjpeg-8b/jpeglib.h"
 
class JPEGDecoderL4TMHelper
{
public:
     JPEGDecoderL4TMHelper();
     ~JPEGDecoderL4TMHelper();
    
     bool init(const unsigned char* in_buf, unsigned long in_buf_size, int& width, int& height);        
     int decode(const unsigned char* in_buf, unsigned long in_buf_size, unsigned char *out_buf);
 
private:
 
    struct jpeg_decompress_struct cinfo;
    struct jpeg_error_mgr jerr;
 
    uint32_t pixel_format = 0;
 
    unsigned char **line[3];
    unsigned char *y[4 * DCTSIZE] = { NULL, };
    unsigned char *u[4 * DCTSIZE] = { NULL, };
    unsigned char *v[4 * DCTSIZE] = { NULL, };
    int i, j;
    int lines, v_samp[3];
    unsigned char *base[3], *last[3];
    int stride[3];
 
};
#endif