1/0 fix for files with size=0

Originally committed as revision 3484 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-09-20 15:40:50 +00:00 · 2004-09-20 15:40:50 +00:00 · eeaa742c3e
commit eeaa742c3e
parent 9ebb8e1124
1 changed files with 1 additions and 0 deletions
--- a/tests/tiny_psnr.c
+++ b/tests/tiny_psnr.c
@ -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);