fftools/cmdutils: drop alt_flags parameter from show_help_options()

No user sets it to more than one flag, so it is redundant with
req_flags.

fftools/cmdutils.c

@@ -108,7 +108,7 @@ int parse_number(const char *context, const char *numstr, enum OptionType type,
 }
 
 void show_help_options(const OptionDef *options, const char *msg, int req_flags,
-                       int rej_flags, int alt_flags)
+                       int rej_flags)
 {
     const OptionDef *po;
     int first;
@@ -118,7 +118,6 @@ void show_help_options(const OptionDef *options, const char *msg, int req_flags,
         char buf[128];
 
         if (((po->flags & req_flags) != req_flags) ||
-            (alt_flags && !(po->flags & alt_flags)) ||
             (po->flags & rej_flags))
             continue;
 

fftools/cmdutils.h

@@ -200,10 +200,9 @@ typedef struct OptionDef {
  * @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 alt_flags);
+                       int rej_flags);
 
 /**
  * Show help for all options with given flags in class and all its

fftools/ffmpeg_opt.c

@@ -1198,46 +1198,46 @@ void show_help_default(const char *opt, const char *arg)
            "\n", program_name);
 
     show_help_options(options, "Print help / information / capabilities:",
-                      OPT_EXIT, OPT_EXPERT, 0);
+                      OPT_EXIT, OPT_EXPERT);
     if (show_advanced)
         show_help_options(options, "Advanced information / capabilities:",
-                          OPT_EXIT | OPT_EXPERT, 0, 0);
+                          OPT_EXIT | OPT_EXPERT, 0);
 
     show_help_options(options, "Global options (affect whole program "
                       "instead of just one file):",
-                      0, OPT_PERFILE | OPT_EXIT | OPT_EXPERT, 0);
+                      0, OPT_PERFILE | OPT_EXIT | OPT_EXPERT);
     if (show_advanced)
         show_help_options(options, "Advanced global options:", OPT_EXPERT,
-                          OPT_PERFILE | OPT_EXIT, 0);
+                          OPT_PERFILE | OPT_EXIT);
 
-    show_help_options(options, "Per-file main options:", 0,
+    show_help_options(options, "Per-file main options:", OPT_PERFILE,
                       OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_DATA |
-                      OPT_EXIT, OPT_PERFILE);
+                      OPT_EXIT);
     if (show_advanced)
         show_help_options(options, "Advanced per-file options:",
-                          OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, OPT_PERFILE);
+                          OPT_EXPERT | OPT_PERFILE, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE);
 
     show_help_options(options, "Video options:",
-                      OPT_VIDEO, OPT_EXPERT | OPT_AUDIO | OPT_SUBTITLE | OPT_DATA, 0);
+                      OPT_VIDEO, OPT_EXPERT | OPT_AUDIO | OPT_SUBTITLE | OPT_DATA);
     if (show_advanced)
         show_help_options(options, "Advanced Video options:",
-                          OPT_EXPERT | OPT_VIDEO, OPT_AUDIO | OPT_SUBTITLE | OPT_DATA, 0);
+                          OPT_EXPERT | OPT_VIDEO, OPT_AUDIO | OPT_SUBTITLE | OPT_DATA);
 
     show_help_options(options, "Audio options:",
-                      OPT_AUDIO, OPT_EXPERT | OPT_VIDEO | OPT_SUBTITLE | OPT_DATA, 0);
+                      OPT_AUDIO, OPT_EXPERT | OPT_VIDEO | OPT_SUBTITLE | OPT_DATA);
     if (show_advanced)
         show_help_options(options, "Advanced Audio options:",
-                          OPT_EXPERT | OPT_AUDIO, OPT_VIDEO | OPT_SUBTITLE | OPT_DATA, 0);
+                          OPT_EXPERT | OPT_AUDIO, OPT_VIDEO | OPT_SUBTITLE | OPT_DATA);
 
     show_help_options(options, "Subtitle options:",
-                      OPT_SUBTITLE, OPT_EXPERT | OPT_VIDEO | OPT_AUDIO | OPT_DATA, 0);
+                      OPT_SUBTITLE, OPT_EXPERT | OPT_VIDEO | OPT_AUDIO | OPT_DATA);
     if (show_advanced)
         show_help_options(options, "Advanced Subtitle options:",
-                          OPT_EXPERT | OPT_SUBTITLE, OPT_VIDEO | OPT_AUDIO | OPT_DATA, 0);
+                          OPT_EXPERT | OPT_SUBTITLE, OPT_VIDEO | OPT_AUDIO | OPT_DATA);
 
     if (show_advanced)
         show_help_options(options, "Data stream options:",
-                          OPT_DATA, OPT_VIDEO | OPT_AUDIO | OPT_SUBTITLE, 0);
+                          OPT_DATA, OPT_VIDEO | OPT_AUDIO | OPT_SUBTITLE);
     printf("\n");
 
     if (show_avoptions) {

fftools/ffplay.c

@@ -3705,8 +3705,8 @@ void show_help_default(const char *opt, const char *arg)
 {
     av_log_set_callback(log_callback_help);
     show_usage();
-    show_help_options(options, "Main options:", 0, OPT_EXPERT, 0);
-    show_help_options(options, "Advanced options:", OPT_EXPERT, 0, 0);
+    show_help_options(options, "Main options:", 0, OPT_EXPERT);
+    show_help_options(options, "Advanced options:", OPT_EXPERT, 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);

fftools/ffprobe.c

@@ -3869,7 +3869,7 @@ void show_help_default(const char *opt, const char *arg)
 {
     av_log_set_callback(log_callback_help);
     show_usage();
-    show_help_options(options, "Main options:", 0, 0, 0);
+    show_help_options(options, "Main options:", 0, 0);
     printf("\n");
 
     show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);