Function main

fftools/ffplay.c:3838–3976

Called from the main */

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

    init_dynload();

    av_log_set_flags(AV_LOG_SKIP_REPEATED);
    parse_loglevel(argc, argv, options);

    /* register all codecs, demux and protocols */
#if CONFIG_AVDEVICE
    avdevice_register_all();
#endif
    avformat_network_init();

    signal(SIGINT , sigterm_handler); /* Interrupt (ANSI).    */
    signal(SIGTERM, sigterm_handler); /* Termination (ANSI).  */

    show_banner(argc, argv, options);

    ret = parse_options(NULL, argc, argv, options, opt_input_file);
    if (ret < 0)
        exit(ret == AVERROR_EXIT ? 0 : 1);

    if (!input_filename) {
        show_usage();
        av_log(NULL, AV_LOG_FATAL, "An input file must be specified\n");
        av_log(NULL, AV_LOG_FATAL,
               "Use -h to get full help or, even better, run 'man %s'\n", program_name);
        exit(1);
    }

    if (display_disable) {
        video_disable = 1;
    }
    flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
    if (audio_disable)
        flags &= ~SDL_INIT_AUDIO;
    else {
        /* Try to work around an occasional ALSA buffer underflow issue when the
         * period size is NPOT due to ALSA resampling by forcing the buffer size. */
        if (!SDL_getenv("SDL_AUDIO_ALSA_SET_BUFFER_SIZE"))
            SDL_setenv("SDL_AUDIO_ALSA_SET_BUFFER_SIZE","1", 1);
    }
    if (display_disable)
        flags &= ~SDL_INIT_VIDEO;
    if (SDL_Init (flags)) {
        av_log(NULL, AV_LOG_FATAL, "Could not initialize SDL - %s\n", SDL_GetError());
        av_log(NULL, AV_LOG_FATAL, "(Did you set the DISPLAY variable?)\n");
        exit(1);
    }

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

    if (!display_disable) {
        int flags = SDL_WINDOW_HIDDEN;