test.c

TMS320VC55XX图像处理程序

#include <stdio.h>  
#include<imagelib.h> 
short indata[64]={2, 1, 1, 0, 0, 0, 0, 0,
                  1, 0, 0, 0, 0, 0, 0, 0,
                  0, 0, 0, 0, 0, 0, 0, 0,
                  0, 0, 0, 0, 0, 0, 0, 0,
                  0, 0, 0, 0, 0, 0, 0, 0,
                  0, 0, 0, 0, 0, 0, 0, 0,
                  0, 0, 0, 0, 0, 0, 0, 0,
                  0, 0, 0, 0, 0, 0, 0, 0
                  };
  //Qutazation table               
short Qtable[64]={ 16, 11, 10, 16, 24, 40, 51, 61,
                    12, 12, 14, 19, 26, 59, 60, 55,
                    14, 13, 16, 24, 40, 57, 69, 56,
                    14, 17, 22, 29, 51, 87, 80, 62,
                    18, 22, 37, 56, 68, 109, 103, 77,
                    24, 35, 55, 64, 81, 104, 113, 92,
                    49, 64, 78, 87, 103, 121, 120, 101,
                    72, 92, 95, 98, 112, 100, 103, 99};
 
 
void main()
{ 
 
  IMG_dequantize_8x8(Qtable,indata);
  /* Expected output is 
    32, 11, 10, 0, 0, 0, 0, 0,
     12, 0, 0, 0, 0, 0, 0, ,0
     0, 0, 0, 0, 0, 0, 0, 0,
     0, 0, 0, 0, 0, 0, 0, 0,
     0, 0, 0, 0, 0, 0, 0, 0,
     0, 0, 0, 0, 0, 0, 0, 0,
     0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0
    */
}