libavcodec/h264_refs.c:558: error: Uninitialized Value
  The value read from pic was never initialized.

libavcodec/h264_refs.c:558:5: 
556.     int i, av_uninit(j);
557.     int current_ref_assigned = 0, err = 0;
558.     H264Picture *av_uninit(pic);
         ^
559. 
560.     if (!h->ps.sps) {
