show_help_options(options);
show_help_options(options, "Main options:\n", OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0); show_help_options(options, "\nVideo options:\n", OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, OPT_VIDEO); show_help_options(options, "\nAdvanced Video options:\n", OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, OPT_VIDEO | OPT_EXPERT); show_help_options(options, "\nAudio options:\n", OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, OPT_AUDIO); show_help_options(options, "\nAdvanced Audio options:\n", OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, OPT_AUDIO | OPT_EXPERT); show_help_options(options, "\nAudio/Video grab options:\n", OPT_GRAB, OPT_GRAB); show_help_options(options, "\nAdvanced options:\n", OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, OPT_EXPERT);
void show_help(void){    printf("ffmpeg version " FFMPEG_VERSION ", Copyright (c) 2000, 2001, 2002 Fabrice Bellard\n");    printf("usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n"           "Hyper fast Audio and Video encoder\n");    printf("\n");    show_help_options(options);    exit(1);}