libavcodec/indeo3.c:251: error: Integer Overflow L2
  ([1, +oo] - 2):unsigned32.

libavcodec/indeo3.c:241:5: <LHS trace>
239.     strip->usl7 = 0;
240. 
241.     bit_pos = 0;
         ^
242. 
243.     rle_v1 = rle_v2 = rle_v3 = 0;

libavcodec/indeo3.c:241:5: Assignment
239.     strip->usl7 = 0;
240. 
241.     bit_pos = 0;
         ^
242. 
243.     rle_v1 = rle_v2 = rle_v3 = 0;

libavcodec/indeo3.c:251:9: Binary operation: ([1, +oo] - 2):unsigned32
249.         }
250. 
251.         bit_pos -= 2;
             ^
252.         cmd = (bit_buf >> bit_pos) & 0x03;
253. 
