libavcodec/indeo3.c:250: error: Integer Overflow L2
  ([1, +oo] - 2):unsigned64.

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

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

libavcodec/indeo3.c:250:9: Binary operation: ([1, +oo] - 2):unsigned64
248.         }
249. 
250.         bit_pos -= 2;
             ^
251.         cmd = (bit_buf >> bit_pos) & 0x03;
252. 
