1/0 fix for files with size=0
authorMichael Niedermayer <michaelni@gmx.at>
Mon, 20 Sep 2004 15:40:50 +0000 (15:40 +0000)
committerMichael Niedermayer <michaelni@gmx.at>
Mon, 20 Sep 2004 15:40:50 +0000 (15:40 +0000)
Originally committed as revision 3484 to svn://svn.ffmpeg.org/ffmpeg/trunk

tests/tiny_psnr.c

index 572dd27..be129fa 100644 (file)
@@ -120,6 +120,7 @@ int main(int argc,char* argv[]){
         }
     }
     
+    if(!i) i=1;
     dev= int_sqrt((sse*F*F)/i);
     if(sse)
         psnr= (log16(256*256*255*255LL*i/sse)*284619LL*F + (1<<31)) / (1LL<<32);