ffplay.c

    if (!strcmp(filename, "-"))
        filename = "pipe:";
    input_filename = filename;
}

/* Called from the main */
int main(int argc, char **argv)
{
    int flags, i;

    /* register all codecs, demux and protocols */
    avcodec_register_all();
    avdevice_register_all();
#if CONFIG_AVFILTER
    avfilter_register_all();
#endif
    av_register_all();

    for(i=0; i<CODEC_TYPE_NB; i++){
        avcodec_opts[i]= avcodec_alloc_context2(i);
    }
    avformat_opts = avformat_alloc_context();
#if !CONFIG_AVFILTER
    sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
#endif

    show_banner();

    parse_options(argc, argv, options, opt_input_file);

    if (!input_filename) {
        show_usage();
        fprintf(stderr, "An input file must be specified\n");
        fprintf(stderr, "Use -h to get full help or, even better, run 'man ffplay'\n");
        exit(1);
    }

    if (display_disable) {
        video_disable = 1;
    }
    flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
#if !defined(__MINGW32__) && !defined(__APPLE__)
    flags |= SDL_INIT_EVENTTHREAD; /* Not supported on Windows or Mac OS X */
#endif
    if (SDL_Init (flags)) {
        fprintf(stderr, "Could not initialize SDL - %s\n", SDL_GetError());
        exit(1);
    }

    if (!display_disable) {
#if HAVE_SDL_VIDEO_SIZE
        const SDL_VideoInfo *vi = SDL_GetVideoInfo();
        fs_screen_width = vi->current_w;
        fs_screen_height = vi->current_h;
#endif
    }

    SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE);
    SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
    SDL_EventState(SDL_USEREVENT, SDL_IGNORE);

    av_init_packet(&flush_pkt);
    flush_pkt.data= "FLUSH";

    cur_stream = stream_open(input_filename, file_iformat);

    event_loop();

    /* never returns */

    return 0;
}