libavformat/utils.c:2430: error: Uninitialized Value
  The value read from ret was never initialized.

libavformat/utils.c:2430:5: 
2428.     for (i=0; i < ic->nb_streams; i++)
2429.         av_freep(&ic->streams[i]->info);
2430.     return ret;
          ^
2431. }
2432. 
