*/
#include <stdio.h>
+#include <stdlib.h>
#include <inttypes.h>
#include <assert.h>
FILE *f[2];
uint8_t buf[2][SIZE];
uint64_t psnr;
- int len= argc<4 ? 1 : 2;
+ int len= argc<4 ? 1 : atoi(argv[3]);
int64_t max= (1<<(8*len))-1;
+ int shift= argc<5 ? 0 : atoi(argv[4]);
if(argc<3){
- printf("tiny_psnr <file1> <file2>\n");
+ printf("tiny_psnr <file1> <file2> [<elem size> [<shift>]]\n");
return -1;
}
f[0]= fopen(argv[1], "rb");
f[1]= fopen(argv[2], "rb");
+ fseek(f[shift<0], shift < 0 ? -shift : shift, SEEK_SET);
for(i=0;;){
if( fread(buf[0], SIZE, 1, f[0]) != 1) break;