libavformat/rtsp.c:600: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned32 by call to `avformat_close_input`.

libavformat/rtsp.c:593:17: Unknown value from: non-const function
591.         if (rtsp_st) {
592.             if (rtsp_st->dynamic_handler && rtsp_st->dynamic_protocol_context)
593.                 rtsp_st->dynamic_handler->free(
                     ^
594.                     rtsp_st->dynamic_protocol_context);
595.             av_free(rtsp_st);

libavformat/rtsp.c:600:9: Call
598.     av_free(rt->rtsp_streams);
599.     if (rt->asf_ctx) {
600.         avformat_close_input(&rt->asf_ctx);
             ^
601.     }
602.     if (rt->ts && CONFIG_RTPDEC)

libavformat/utils.c:2705:1: Parameter `(*ps)->nb_programs`
  2703. #endif
  2704. 
  2705. void avformat_close_input(AVFormatContext **ps)
        ^
  2706. {
  2707.     AVFormatContext *s = *ps;

libavformat/utils.c:2713:5: Call
  2711.     if (s->iformat->read_close)
  2712.         s->iformat->read_close(s);
  2713.     avformat_free_context(s);
            ^
  2714.     *ps = NULL;
  2715.     if (pb)

libavformat/utils.c:2655:1: <LHS trace>
2653. }
2654. 
2655. void avformat_free_context(AVFormatContext *s)
      ^
2656. {
2657.     int i;

libavformat/utils.c:2655:1: Parameter `s->nb_programs`
    2653. }
    2654. 
    2655. void avformat_free_context(AVFormatContext *s)
          ^
    2656. {
    2657.     int i;

libavformat/utils.c:2681:9: Binary operation: ([0, +oo] - 1):unsigned32 by call to `avformat_close_input` 
    2679.         av_free(st);
    2680.     }
    2681.     for(i=s->nb_programs-1; i>=0; i--) {
                  ^
    2682.         av_dict_free(&s->programs[i]->metadata);
    2683.         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);
        }
        if (st->attached_pic.data)
            av_free_packet(&st->attached_pic);
        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);
}
['void ff_rtsp_close_streams(AVFormatContext *s)\n{\n    RTSPState *rt = s->priv_data;\n    int i;\n    RTSPStream *rtsp_st;\n    ff_rtsp_undo_setup(s);\n    for (i = 0; i < rt->nb_rtsp_streams; i++) {\n        rtsp_st = rt->rtsp_streams[i];\n        if (rtsp_st) {\n            if (rtsp_st->dynamic_handler && rtsp_st->dynamic_protocol_context)\n                rtsp_st->dynamic_handler->free(\n                    rtsp_st->dynamic_protocol_context);\n            av_free(rtsp_st);\n        }\n    }\n    av_free(rt->rtsp_streams);\n    if (rt->asf_ctx) {\n        avformat_close_input(&rt->asf_ctx);\n    }\n    if (rt->ts && CONFIG_RTPDEC)\n        ff_mpegts_parse_close(rt->ts);\n    av_free(rt->p);\n    av_free(rt->recvbuf);\n}', 'void avformat_close_input(AVFormatContext **ps)\n{\n    AVFormatContext *s = *ps;\n    AVIOContext *pb = (s->iformat->flags & AVFMT_NOFILE) || (s->flags & AVFMT_FLAG_CUSTOM_IO) ?\n                       NULL : s->pb;\n    flush_packet_queue(s);\n    if (s->iformat->read_close)\n        s->iformat->read_close(s);\n    avformat_free_context(s);\n    *ps = NULL;\n    if (pb)\n        avio_close(pb);\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        }\n        if (st->attached_pic.data)\n            av_free_packet(&st->attached_pic);\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}']