libavcodec/mpegvideo_enc.c:3458: error: Uninitialized Value
  The value read from run_tab[_] was never initialized.

libavcodec/mpegvideo_enc.c:3458:9: 
3456.         run=0;
3457.         rle_index=0;
3458.         run2= run_tab[rle_index++];
              ^
3459.         prev_level=0;
3460.         prev_run=0;
