ffmpeg.c

    /* file converter / grab */
    if (nb_output_files <= 0) {
        fprintf(stderr, "At least one output file must be specified\n");
        av_exit(1);
    }

    if (nb_input_files == 0) {
        fprintf(stderr, "At least one input file must be specified\n");
        av_exit(1);
    }

    ti = getutime();
    if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
                  stream_maps, nb_stream_maps) < 0)
        av_exit(1);
    ti = getutime() - ti;
    if (do_benchmark) {
        printf("bench: utime=%0.3fs\n", ti / 1000000.0);
    }

    return av_exit(0);
}