ffmpeg.c:4216: error: Null Dereference
  pointer `today` last assigned on line 4214 could be null and is dereferenced at line 4216, column 69.

ffmpeg.c:4210:1: start of procedure opt_vstats()
4208. }
4209. 
4210. static int opt_vstats(const char *opt, const char *arg)
      ^
4211. {
4212.     char filename[40];

ffmpeg.c:4213:5: 
4211. {
4212.     char filename[40];
4213.     time_t today2 = time(NULL);
          ^
4214.     struct tm *today = localtime(&today2);
4215. 

ffmpeg.c:4214:5: 
4212.     char filename[40];
4213.     time_t today2 = time(NULL);
4214.     struct tm *today = localtime(&today2);
          ^
4215. 
4216.     snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,

ffmpeg.c:4216:5: 
4214.     struct tm *today = localtime(&today2);
4215. 
4216.     snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
          ^
4217.              today->tm_sec);
4218.     return opt_vstats_file(opt, filename);
