avconv.c:2853: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned32 by call to `avformat_open_input`.

avconv.c:2824:21: Unknown value from: strncmp
2822.         filename = "pipe:";
2823. 
2824.     using_stdin |= !strncmp(filename, "pipe:", 5) ||
                          ^
2825.                     !strcmp(filename, "/dev/stdin");
2826. 

avconv.c:2850:5: Assignment
2848.         av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
2849. 
2850.     ic->flags |= AVFMT_FLAG_NONBLOCK;
          ^
2851. 
2852.     /* open the input file with generic libav function */

avconv.c:2853:11: Call
2851. 
2852.     /* open the input file with generic libav function */
2853.     err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
                ^
2854.     if (err < 0) {
2855.         print_error(filename, err);

libavformat/utils.c:596:1: Parameter `(*ps)->nb_programs`
  594. }
  595. 
  596. int avformat_open_input(AVFormatContext **ps, const char *filename, AVInputFormat *fmt, AVDictionary **options)
       ^
  597. {
  598.     AVFormatContext *s = *ps;

libavformat/utils.c:666:5: Call
  664.     if (s->pb && !(s->flags & AVFMT_FLAG_CUSTOM_IO))
  665.         avio_close(s->pb);
  666.     avformat_free_context(s);
           ^
  667.     *ps = NULL;
  668.     return ret;

libavformat/utils.c:2607:1: <LHS trace>
2605. }
2606. 
2607. void avformat_free_context(AVFormatContext *s)
      ^
2608. {
2609.     int i;

libavformat/utils.c:2607:1: Parameter `s->nb_programs`
    2605. }
    2606. 
    2607. void avformat_free_context(AVFormatContext *s)
          ^
    2608. {
    2609.     int i;

libavformat/utils.c:2632:9: Binary operation: ([0, +oo] - 1):unsigned32 by call to `avformat_open_input` 
    2630.         av_free(st);
    2631.     }
    2632.     for(i=s->nb_programs-1; i>=0; i--) {
                  ^
    2633.         av_dict_free(&s->programs[i]->metadata);
    2634.         av_freep(&s->programs[i]->stream_index);
