void show_help_default(const char *opt, const char *arg)
{
+ /* per-file options have at least one of those set */
+ const int per_file = OPT_SPEC | OPT_OFFSET | OPT_FUNC2;
int show_advanced = 0, show_avoptions = 0;
if (opt) {
"\n", program_name);
show_help_options(options, "Print help / information / capabilities:",
- OPT_EXIT, 0);
- show_help_options(options, "Main options:",
- 0, OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE |
- OPT_EXIT);
+ OPT_EXIT, 0, 0);
+
+ show_help_options(options, "Global options (affect whole program "
+ "instead of just one file:",
+ 0, per_file | OPT_EXIT | OPT_EXPERT, 0);
+ if (show_advanced)
+ show_help_options(options, "Advanced global options:", OPT_EXPERT,
+ per_file | OPT_EXIT, 0);
+
+ show_help_options(options, "Per-file main options:", 0,
+ OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE |
+ OPT_EXIT, per_file);
if (show_advanced)
- show_help_options(options, "Advanced options:",
- OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE);
+ show_help_options(options, "Advanced per-file options:",
+ OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file);
show_help_options(options, "Video options:",
- OPT_VIDEO, OPT_EXPERT | OPT_AUDIO);
+ OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0);
if (show_advanced)
show_help_options(options, "Advanced Video options:",
- OPT_EXPERT | OPT_VIDEO, OPT_AUDIO);
+ OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0);
show_help_options(options, "Audio options:",
- OPT_AUDIO, OPT_EXPERT | OPT_VIDEO);
+ OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0);
if (show_advanced)
show_help_options(options, "Advanced Audio options:",
- OPT_EXPERT | OPT_AUDIO, OPT_VIDEO);
+ OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0);
show_help_options(options, "Subtitle options:",
- OPT_SUBTITLE, 0);
+ OPT_SUBTITLE, 0, 0);
printf("\n");
if (show_avoptions) {
{
av_log_set_callback(log_callback_help);
show_usage();
- show_help_options(options, "Main options:", 0, OPT_EXPERT);
- show_help_options(options, "Advanced options:", OPT_EXPERT, 0);
+ show_help_options(options, "Main options:", 0, OPT_EXPERT, 0);
+ show_help_options(options, "Advanced options:", OPT_EXPERT, 0, 0);
printf("\n");
show_help_children(avcodec_get_class(), AV_OPT_FLAG_DECODING_PARAM);
show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
* @param msg title of this group. Only printed if at least one option matches.
* @param req_flags print only options which have all those flags set.
* @param rej_flags don't print options which have any of those flags set.
+ * @param alt_flags print only options that have at least one of those flags set
*/
void show_help_options(const OptionDef *options, const char *msg, int req_flags,
- int rej_flags);
+ int rej_flags, int alt_flags);
/**
* Show help for all options with given flags in class and all its