void av_close_input_stream(AVFormatContext *s)
{
    int i;
    AVStream *st;
    flush_packet_queue(s);
    if (s->iformat->read_close)
        s->iformat->read_close(s);
    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_metadata_free(&st->metadata);
        av_free(st->index_entries);
        av_free(st->codec->extradata);
        av_free(st->codec->subtitle_header);
        av_free(st->codec);
#if FF_API_OLD_METADATA
        av_free(st->filename);
#endif
        av_free(st->priv_data);
        av_free(st->info);
        av_free(st);
    }
    for(i=s->nb_programs-1; i>=0; i--) {
#if FF_API_OLD_METADATA
        av_freep(&s->programs[i]->provider_name);
        av_freep(&s->programs[i]->name);
#endif
        av_metadata_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--) {
#if FF_API_OLD_METADATA
        av_free(s->chapters[s->nb_chapters]->title);
#endif
        av_metadata_free(&s->chapters[s->nb_chapters]->metadata);
        av_free(s->chapters[s->nb_chapters]);
    }
    av_freep(&s->chapters);
    av_metadata_free(&s->metadata);
    av_freep(&s->key);
    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->close(\n                    rtsp_st->dynamic_protocol_context);\n        }\n    }\n    av_free(rt->rtsp_streams);\n    if (rt->asf_ctx) {\n        av_close_input_stream (rt->asf_ctx);\n        rt->asf_ctx = NULL;\n    }\n    av_free(rt->recvbuf);\n}', 'void av_close_input_stream(AVFormatContext *s)\n{\n    int i;\n    AVStream *st;\n    flush_packet_queue(s);\n    if (s->iformat->read_close)\n        s->iformat->read_close(s);\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_metadata_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#if FF_API_OLD_METADATA\n        av_free(st->filename);\n#endif\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#if FF_API_OLD_METADATA\n        av_freep(&s->programs[i]->provider_name);\n        av_freep(&s->programs[i]->name);\n#endif\n        av_metadata_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#if FF_API_OLD_METADATA\n        av_free(s->chapters[s->nb_chapters]->title);\n#endif\n        av_metadata_free(&s->chapters[s->nb_chapters]->metadata);\n        av_free(s->chapters[s->nb_chapters]);\n    }\n    av_freep(&s->chapters);\n    av_metadata_free(&s->metadata);\n    av_freep(&s->key);\n    av_free(s);\n}']