avconv.c:4281: error: Integer Overflow L1
  (0 - 1):unsigned32 by call to `init_output_filter`.

avconv.c:4300:17: Assignment
4298.                                                map->sync_stream_index];
4299.                 ist->discard = 0;
4300.                 ist->st->discard = AVDISCARD_NONE;
                      ^
4301.             }
4302.         }

avconv.c:4277:21: Call
4275. loop_end:
4276.                 if (!ofilter) {
4277.                     av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
                          ^
4278.                            "in any defined filter graph.\n", map->linklabel);
4279.                     exit_program(1);

libavutil/log.c:140:1: Parameter `*avcl`
  138.     av_log_default_callback;
  139. 
  140. void av_log(void* avcl, int level, const char *fmt, ...)
       ^
  141. {
  142.     AVClass* avc = avcl ? *(AVClass **) avcl : NULL;

avconv.c:4281:17: Call
4279.                     exit_program(1);
4280.                 }
4281.                 init_output_filter(ofilter, o, oc);
                      ^
4282.             } else {
4283.                 ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];

avconv.c:4110:1: Parameter `oc->nb_streams`
  4108. }
  4109. 
  4110. static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
        ^
  4111.                                AVFormatContext *oc)
  4112. {

avconv.c:4117:36: Call
  4115.     switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
  4116.                                   ofilter->out_tmp->pad_idx)) {
  4117.     case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
                                           ^
  4118.     case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
  4119.     default:

avconv.c:3865:1: Parameter `oc->nb_streams`
    3863. }
    3864. 
    3865. static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
          ^
    3866. {
    3867.     AVStream *st;

avconv.c:3871:11: Call
    3869.     AVCodecContext *video_enc;
    3870. 
    3871.     ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
                    ^
    3872.     st  = ost->st;
    3873.     video_enc = st->codec;

avconv.c:3742:1: <LHS trace>
3740. }
3741. 
3742. static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
      ^
3743. {
3744.     OutputStream *ost;

avconv.c:3742:1: Parameter `o->nb_streamid_map`
      3740. }
      3741. 
      3742. static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
            ^
      3743. {
      3744.     OutputStream *ost;

avconv.c:3759:18: Binary operation: (0 - 1):unsigned32 by call to `init_output_filter` 
      3757. 
      3758.     if (oc->nb_streams - 1 < o->nb_streamid_map)
      3759.         st->id = o->streamid_map[oc->nb_streams - 1];
                             ^
      3760. 
      3761.     output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
