libavcodec/mpegvideo_enc.c:3254: error: Uninitialized Value
  The value read from level_tab[_] was never initialized.

libavcodec/mpegvideo_enc.c:3254:9: 
3252. 
3253.     for(; i>start_i; i -= run_tab[i] + 1){
3254.         block[ perm_scantable[i-1] ]= level_tab[i];
              ^
3255.     }
3256. 
