avconv.c:443: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned32 by call to `avformat_free_context`.

avconv.c:443:9: Call
441.         if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
442.             avio_close(s->pb);
443.         avformat_free_context(s);
             ^
444.         av_dict_free(&output_files[i].opts);
445.     }

libavformat/utils.c:2620:13: Call
  2618.         if (st->parser) {
  2619.             av_parser_close(st->parser);
  2620.             av_free_packet(&st->cur_pkt);
                    ^
  2621.         }
  2622.         av_dict_free(&st->metadata);

libavcodec/avpacket.c:151:1: Parameter `pkt->size`
    149. }
    150. 
    151. void av_free_packet(AVPacket *pkt)
         ^
    152. {
    153.     if (pkt) {

avconv.c:444:9: Call
442.             avio_close(s->pb);
443.         avformat_free_context(s);
444.         av_dict_free(&output_files[i].opts);
             ^
445.     }
446.     for(i=0;i<nb_input_files;i++) {

libavutil/dict.c:101:1: Parameter `(*pm)->count`
   99. }
  100. 
  101. void av_dict_free(AVDictionary **pm)
       ^
  102. {
  103.     AVDictionary *m = *pm;

avconv.c:443:9: Call
441.         if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
442.             avio_close(s->pb);
443.         avformat_free_context(s);
             ^
444.         av_dict_free(&output_files[i].opts);
445.     }

libavformat/utils.c:2606:1: <LHS trace>
2604. }
2605. 
2606. void avformat_free_context(AVFormatContext *s)
      ^
2607. {
2608.     int i;

libavformat/utils.c:2606:1: Parameter `s->nb_programs`
  2604. }
  2605. 
  2606. void avformat_free_context(AVFormatContext *s)
        ^
  2607. {
  2608.     int i;

libavformat/utils.c:2631:9: Binary operation: ([0, +oo] - 1):unsigned32 by call to `avformat_free_context` 
  2629.         av_free(st);
  2630.     }
  2631.     for(i=s->nb_programs-1; i>=0; i--) {
                ^
  2632.         av_dict_free(&s->programs[i]->metadata);
  2633.         av_freep(&s->programs[i]->stream_index);

void avformat_free_context(AVFormatContext *s)
{
    int i;
    AVStream *st;
    av_opt_free(s);
    if (s->iformat && s->iformat->priv_class && s->priv_data)
        av_opt_free(s->priv_data);
    for(i=0;i<s->nb_streams;i++) {
        st = s->streams[i];
        if (st->parser) {
            av_parser_close(st->parser);
            av_free_packet(&st->cur_pkt);
        }
        av_dict_free(&st->metadata);
        av_free(st->index_entries);
        av_free(st->codec->extradata);
        av_free(st->codec->subtitle_header);
        av_free(st->codec);
        av_free(st->priv_data);
        av_free(st->info);
        av_free(st);
    }
    for(i=s->nb_programs-1; i>=0; i--) {
        av_dict_free(&s->programs[i]->metadata);
        av_freep(&s->programs[i]->stream_index);
        av_freep(&s->programs[i]);
    }
    av_freep(&s->programs);
    av_freep(&s->priv_data);
    while(s->nb_chapters--) {
        av_dict_free(&s->chapters[s->nb_chapters]->metadata);
        av_free(s->chapters[s->nb_chapters]);
    }
    av_freep(&s->chapters);
    av_dict_free(&s->metadata);
    av_freep(&s->streams);
    av_free(s);
}
['static int exit_program(int ret)\n{\n    int i;\n    for(i=0;i<nb_output_files;i++) {\n        AVFormatContext *s = output_files[i].ctx;\n        if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)\n            avio_close(s->pb);\n        avformat_free_context(s);\n        av_dict_free(&output_files[i].opts);\n    }\n    for(i=0;i<nb_input_files;i++) {\n        av_close_input_file(input_files[i].ctx);\n    }\n    for (i = 0; i < nb_input_streams; i++)\n        av_dict_free(&input_streams[i].opts);\n    av_free(intra_matrix);\n    av_free(inter_matrix);\n    if (vstats_file)\n        fclose(vstats_file);\n    av_free(vstats_filename);\n    av_free(meta_data_maps);\n    av_freep(&input_streams);\n    av_freep(&input_files);\n    av_freep(&output_streams);\n    av_freep(&output_files);\n    uninit_opts();\n    av_free(audio_buf);\n    av_free(audio_out);\n    allocated_audio_buf_size= allocated_audio_out_size= 0;\n    av_free(samples);\n#if CONFIG_AVFILTER\n    avfilter_uninit();\n#endif\n    if (received_sigterm) {\n        fprintf(stderr,\n            "Received signal %d: terminating.\\n",\n            (int) received_sigterm);\n        exit (255);\n    }\n    exit(ret);\n    return ret;\n}', 'void avformat_free_context(AVFormatContext *s)\n{\n    int i;\n    AVStream *st;\n    av_opt_free(s);\n    if (s->iformat && s->iformat->priv_class && s->priv_data)\n        av_opt_free(s->priv_data);\n    for(i=0;i<s->nb_streams;i++) {\n        st = s->streams[i];\n        if (st->parser) {\n            av_parser_close(st->parser);\n            av_free_packet(&st->cur_pkt);\n        }\n        av_dict_free(&st->metadata);\n        av_free(st->index_entries);\n        av_free(st->codec->extradata);\n        av_free(st->codec->subtitle_header);\n        av_free(st->codec);\n        av_free(st->priv_data);\n        av_free(st->info);\n        av_free(st);\n    }\n    for(i=s->nb_programs-1; i>=0; i--) {\n        av_dict_free(&s->programs[i]->metadata);\n        av_freep(&s->programs[i]->stream_index);\n        av_freep(&s->programs[i]);\n    }\n    av_freep(&s->programs);\n    av_freep(&s->priv_data);\n    while(s->nb_chapters--) {\n        av_dict_free(&s->chapters[s->nb_chapters]->metadata);\n        av_free(s->chapters[s->nb_chapters]);\n    }\n    av_freep(&s->chapters);\n    av_dict_free(&s->metadata);\n    av_freep(&s->streams);\n    av_free(s);\n}', 'void av_free_packet(AVPacket *pkt)\n{\n    if (pkt) {\n        if (pkt->destruct) pkt->destruct(pkt);\n        pkt->data = NULL; pkt->size = 0;\n        pkt->side_data       = NULL;\n        pkt->side_data_elems = 0;\n    }\n}', 'void av_dict_free(AVDictionary **pm)\n{\n    AVDictionary *m = *pm;\n    if (m) {\n        while(m->count--) {\n            av_free(m->elems[m->count].key);\n            av_free(m->elems[m->count].value);\n        }\n        av_free(m->elems);\n    }\n    av_freep(pm);\n}']