libavformat/utils.c:1764: error: Integer Overflow L2
  ([-9223372036854775807, +oo] - [-oo, 9223372036854775806]):signed64.

libavformat/utils.c:1739:5: <LHS trace>
1737.     AVStream *st;
1738. 
1739.     start_time = INT64_MAX;
          ^
1740.     end_time   = INT64_MIN;
1741.     duration   = INT64_MIN;

libavformat/utils.c:1739:5: Assignment
1737.     AVStream *st;
1738. 
1739.     start_time = INT64_MAX;
          ^
1740.     end_time   = INT64_MIN;
1741.     duration   = INT64_MIN;

libavformat/utils.c:1739:5: <RHS trace>
1737.     AVStream *st;
1738. 
1739.     start_time = INT64_MAX;
          ^
1740.     end_time   = INT64_MIN;
1741.     duration   = INT64_MIN;

libavformat/utils.c:1739:5: Assignment
1737.     AVStream *st;
1738. 
1739.     start_time = INT64_MAX;
          ^
1740.     end_time   = INT64_MIN;
1741.     duration   = INT64_MIN;

libavformat/utils.c:1764:24: Binary operation: ([-9223372036854775807, +oo] - [-oo, 9223372036854775806]):signed64
1762.         ic->start_time = start_time;
1763.         if (end_time != INT64_MIN)
1764.             duration = FFMAX(duration, end_time - start_time);
                             ^
1765.     }
1766.     if (duration != INT64_MIN) {
