validate: Add an option to print all avalaible actions with details

+ Cleanup actions descriptions
+ Make GstValidateActionType internal only and only expose the structure

validate/gst/validate/gst-validate-internal.h

@@ -26,6 +26,28 @@
 
 GST_DEBUG_CATEGORY_EXTERN (gstvalidate_debug);
 #define GST_CAT_DEFAULT gstvalidate_debug
+
+typedef struct _GstValidateScenario        GstValidateScenario;
+typedef struct _GstValidateAction          GstValidateAction;
+typedef gboolean (*GstValidateExecuteAction) (GstValidateScenario * scenario, GstValidateAction * action);
+
+struct _GstValidateActionType
+{
+  GstMiniObject          mini_object;
+
+  gchar *name;
+
+  GstValidateExecuteAction execute;
+
+  gchar **mandatory_fields;
+  gchar **option_fields;
+
+  gchar *description;
+  gboolean is_config;
+
+  gpointer _gst_reserved[GST_PADDING_LARGE];
+};
+
 void init_scenarios (void);
 
 #endif

validate/gst/validate/gst-validate-report.c

@@ -44,7 +44,7 @@ static GHashTable *_gst_validate_issues = NULL;
 static FILE **log_files = NULL;
 
 #ifndef GST_DISABLE_GST_DEBUG
-static GRegex *regex = NULL;
+static GRegex *newline_regex = NULL;
 #endif
 
 GST_DEBUG_CATEGORY_STATIC (gst_validate_report_debug);
@@ -309,7 +309,9 @@ gst_validate_report_init (void)
   }
 
 #ifndef GST_DISABLE_GST_DEBUG
-  regex = g_regex_new ("\n", G_REGEX_OPTIMIZE | G_REGEX_MULTILINE, 0, NULL);
+  if (!newline_regex)
+    newline_regex =
+        g_regex_new ("\n", G_REGEX_OPTIMIZE | G_REGEX_MULTILINE, 0, NULL);
 #endif
 }
 
@@ -470,6 +472,42 @@ gst_validate_printf_valist (gpointer source, const gchar * format, va_list args)
           " repeat: %i) | ", g_strcmp0 (action->name,
               "") == 0 ? "Unnamed" : action->name, action->action_number,
           GST_TIME_ARGS (action->playback_time), action->repeat);
+
+    } else if (*(GType *) source == GST_TYPE_VALIDATE_ACTION_TYPE) {
+      gint i;
+      gchar *desc, *tmp;
+      GstValidateActionType *type = GST_VALIDATE_ACTION_TYPE (source);
+
+      g_string_printf (string, "\n%s  Action type:", type->name);
+      g_string_append_printf (string, "\n%s    Name: %s", type->name,
+          type->name);
+
+      if (type->is_config)
+        g_string_append_printf (string,
+            "\n%s    Is config action (meaning it will be executing right "
+            "at the begining of the execution of the pipeline)", type->name);
+
+      tmp = g_strdup_printf ("\n%s        ", type->name);
+      desc =
+          g_regex_replace (newline_regex, type->description, -1, 0, tmp, 0,
+          NULL);
+      g_string_append_printf (string, "\n%s    Description: \n%s        %s",
+          type->name, type->name, desc);
+      g_free (desc);
+      g_free (tmp);
+
+
+      if (type->mandatory_fields) {
+        g_string_append_printf (string, "\n%s    Mandatory fileds:",
+            type->name);
+        for (i = 0; type->mandatory_fields[i]; i++)
+          g_string_append_printf (string,
+              "\n%s        %s", type->name, type->mandatory_fields[i]);
+      } else {
+        g_string_append_printf (string, "\n%s    No mandatory field",
+            type->name);
+
+      }
     } else if (GST_IS_OBJECT (source)) {
       g_string_printf (string, "\n%s --> ", GST_OBJECT_NAME (source));
     } else if (G_IS_OBJECT (source)) {
@@ -482,7 +520,13 @@ gst_validate_printf_valist (gpointer source, const gchar * format, va_list args)
 
 #ifndef GST_DISABLE_GST_DEBUG
   {
-    gchar *str = g_regex_replace (regex, string->str, string->len, 0,
+    gchar *str;
+
+    if (!newline_regex)
+      newline_regex =
+          g_regex_new ("\n", G_REGEX_OPTIMIZE | G_REGEX_MULTILINE, 0, NULL);
+
+    str = g_regex_replace (newline_regex, string->str, string->len, 0,
         "", 0, NULL);
 
     if (source)

validate/gst/validate/gst-validate-scenario.c

@@ -187,6 +187,7 @@ _action_type_free (GstValidateActionType * type)
 {
   g_strfreev (type->mandatory_fields);
   g_free (type->description);
+  g_free (type->name);
 }
 
 static void
@@ -1856,6 +1857,7 @@ gst_validate_add_action_type (const gchar * type_name,
         g_free, (GDestroyNotify) _free_action_type);
 
   type->execute = function;
+  type->name = g_strdup (type_name);
   type->mandatory_fields = g_strdupv ((gchar **) mandatory_fields);
   type->description = g_strdup (description);
   type->is_config = is_config;
@@ -1863,6 +1865,50 @@ gst_validate_add_action_type (const gchar * type_name,
   g_hash_table_insert (action_types_table, g_strdup (type_name), type);
 }
 
+static GList *
+gst_validate_list_action_types (void)
+{
+  if (action_types_table)
+    return g_hash_table_get_values (action_types_table);
+
+  return NULL;
+}
+
+gboolean
+gst_validate_print_action_types (gchar ** wanted_types, gint num_wanted_types)
+{
+  GList *tmp;
+  gint nfound;
+
+  for (tmp = gst_validate_list_action_types (); tmp; tmp = tmp->next) {
+    gboolean print = FALSE;
+
+    if (num_wanted_types) {
+      gint n;
+
+      for (n = 0; n < num_wanted_types; n++) {
+        if (g_strcmp0 (((GstValidateActionType *) tmp->data)->name,
+                wanted_types[n]) == 0) {
+          nfound++;
+          print = TRUE;
+
+          break;
+        }
+      }
+    } else {
+      print = TRUE;
+    }
+
+    if (print)
+      gst_validate_printf (tmp->data, "\n");
+  }
+
+  if (num_wanted_types && num_wanted_types != nfound) {
+    return FALSE;
+  }
+
+  return TRUE;
+}
 
 void
 init_scenarios (void)
@@ -1885,43 +1931,47 @@ init_scenarios (void)
 
   clean_action_str = g_regex_new ("\\\\\n|#.*\n", G_REGEX_CASELESS, 0, NULL);
   gst_validate_add_action_type ("seek", _execute_seek, seek_mandatory_fields,
-      "Allows to seek into the files", FALSE);
+      "Seeks into the files", FALSE);
   gst_validate_add_action_type ("pause", _execute_pause, NULL,
-      "Make it possible to set pipeline to PAUSED, you can add a duration"
-      " parametter so the pipeline goaes back to playing after that duration"
-      " (in second)", FALSE);
+      "Sets pipeline to PAUSED. You can add a 'duration'\n"
+      "parametter so the pipeline goaes back to playing after that duration\n"
+      "(in second)", FALSE);
   gst_validate_add_action_type ("play", _execute_play, NULL,
-      "Make it possible to set the pipeline state to PLAYING", FALSE);
+      "Sets the pipeline state to PLAYING", FALSE);
   gst_validate_add_action_type ("stop", _execute_stop, NULL,
-      "Make it possible to set the pipeline state to NULL", FALSE);
+      "Sets the pipeline state to NULL", FALSE);
   gst_validate_add_action_type ("eos", _execute_eos, NULL,
-      "Make it possible to send an EOS to the pipeline", FALSE);
+      "Sends an EOS event to the pipeline", FALSE);
   gst_validate_add_action_type ("switch-track", _execute_switch_track, NULL,
       "The 'switch-track' command can be used to switch tracks.\n"
       "The 'type' argument selects which track type to change (can be 'audio', 'video',"
-      " or 'text'). The 'index' argument selects which track of this type"
-      " to use: it can be either a number, which will be the Nth track of"
-      " the given type, or a number with a '+' or '-' prefix, which means"
-      " a relative change (eg, '+1' means 'next track', '-1' means 'previous"
-      " track'), note that you need to state that it is a string in the scenario file"
-      " prefixing it with (string).", FALSE);
+      " or 'text').\nThe 'index' argument selects which track of this type\n"
+      "to use: it can be either a number, which will be the Nth track of\n"
+      "the given type, or a number with a '+' or '-' prefix, which means\n"
+      "a relative change (eg, '+1' means 'next track', '-1' means 'previous\n"
+      "track'), note that you need to state that it is a string in the scenario file\n"
+      "prefixing it with (string).", FALSE);
   gst_validate_add_action_type ("wait", _execute_wait, wait_mandatory_fields,
-      "Action to wait during 'duration' seconds", FALSE);
+      "Waits during 'duration' seconds", FALSE);
   gst_validate_add_action_type ("dot-pipeline", _execute_dot_pipeline, NULL,
-      "Action to wait dot the pipeline (the 'name' property will be included in the"
-      " dot filename. Also the GST_DEBUG_DUMP_DOT_DIR env variable needs to be set",
+      "Dots the pipeline (the 'name' property will be used in the\n"
+      "dot filename).\n"
+      "For more information have a look at the GST_DEBUG_BIN_TO_DOT_FILE documentation."
+      "Note that the GST_DEBUG_DUMP_DOT_DIR env variable needs to be set\n",
       FALSE);
   gst_validate_add_action_type ("set-feature-rank", _set_rank, NULL,
-      "Allows you to change the ranking of a particular plugin feature", TRUE);
+      "Changes the ranking of a particular plugin feature", TRUE);
   gst_validate_add_action_type ("set-state", _execute_set_state,
       set_state_mandatory_fields,
-      "Allows to change the state of the pipeline to any GstState", FALSE);
+      "Change the state of the pipeline to any GstState as a string like:\n"
+      "    * 'null'\n"
+      "    * 'ready'\n" "    * 'paused'\n" "    * 'play'\n", FALSE);
   gst_validate_add_action_type ("set-property", _execute_set_property,
       set_property_mandatory_fields,
-      "Allows to set a property of any element in the pipeline", FALSE);
+      "Sets a property of any element in the pipeline", FALSE);
   gst_validate_add_action_type ("set-debug-threshold",
       _execute_set_debug_threshold, set_debug_threshold_mandatory_fields,
-      "Sets the debug level to be used, same format as "
+      "Sets the debug level to be used, same format as\n"
       "setting the GST_DEBUG env variable", FALSE);
   gst_validate_add_action_type ("emit-signal", _execute_emit_signal,
       emit_signal_mandatory_fields,

validate/gst/validate/gst-validate-scenario.h

@@ -65,25 +65,12 @@ struct _GstValidateAction
 #define GST_IS_VALIDATE_ACTION(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VALIDATE_ACTION))
 GType gst_validate_action_get_type (void);
 
-struct _GstValidateActionType
-{
-  GstMiniObject          mini_object;
-
-  GstValidateExecuteAction execute;
-
-  gchar **mandatory_fields;
-  gchar **option_fields;
-
-  gchar *description;
-  gboolean is_config;
-
-  gpointer _gst_reserved[GST_PADDING_LARGE];
-};
-
 #define GST_TYPE_VALIDATE_ACTION_TYPE       (gst_validate_action_type_get_type ())
 #define GST_IS_VALIDATE_ACTION_TYPE(obj)    (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VALIDATE_ACTION_TYPE))
+#define GST_VALIDATE_ACTION_TYPE(obj)       ((GstValidateActionType*) obj)
 GType gst_validate_action_type_get_type     (void);
 
+gboolean gst_validate_print_action_types    (gchar ** wanted_types, gint num_wanted_types);
 
 struct _GstValidateScenarioClass
 {

validate/gst/validate/validate.c

@@ -36,12 +36,12 @@ gst_validate_init (void)
   GST_DEBUG_CATEGORY_INIT (gstvalidate_debug, "validate", 0,
       "Validation library");
 
-  /* Init the scenario system */
-  init_scenarios ();
-
   /* init the report system (can be called multiple times) */
   gst_validate_report_init ();
 
+  /* Init the scenario system */
+  init_scenarios ();
+
   /* Ensure we load overrides before any use of a monitor */
   gst_validate_override_registry_preload ();
 }

validate/tools/gst-validate-transcoding.c

@@ -733,7 +733,7 @@ main (int argc, gchar ** argv)
   GError *err = NULL;
   const gchar *scenario = NULL, *configs = NULL;
   gboolean want_help = FALSE;
-  gboolean list_scenarios = FALSE;
+  gboolean list_scenarios = FALSE, list_action_types = FALSE;
 
   GOptionEntry options[] = {
     {"output-format", 'o', 0, G_OPTION_ARG_CALLBACK, &_parse_encoding_profile,
@@ -760,6 +760,8 @@ main (int argc, gchar ** argv)
           "exiting.", NULL},
     {"list-scenarios", 'l', 0, G_OPTION_ARG_NONE, &list_scenarios,
         "List the avalaible scenarios that can be run", NULL},
+    {"list-action-types", 't', 0, G_OPTION_ARG_NONE, &list_action_types,
+        "List the avalaible action types with which to write scenarios", NULL},
     {"scenarios-defs-output-file", '\0', 0, G_OPTION_ARG_FILENAME,
           &output_file, "The output file to store scenarios details. "
           "Implies --list-scenario",
@@ -822,6 +824,14 @@ main (int argc, gchar ** argv)
 
 
   _register_actions ();
+
+  if (list_action_types) {
+    if (gst_validate_print_action_types (argv + 1, argc - 1))
+      return 0;
+
+    return -1;
+  }
+
   if (argc != 3) {
     g_printerr ("%i arguments recived, 2 expected.\n"
         "You should run the test using:\n"

validate/tools/gst-validate.c

@@ -300,12 +300,45 @@ _execute_switch_track (GstValidateScenario * scenario,
   return TRUE;
 }
 
+static void
+_register_playbin_actions (void)
+{
+/* *INDENT-OFF* */
+  gst_validate_add_action_type ("set-subtitle", _execute_set_subtitles,
+      (GstValidateActionParameter [])
+      {
+        {"subtitle-file", "", TRUE}
+        , {NULL}
+      },
+      "Action to set a subtitle file to use on a playbin pipeline.\n"
+      "The subtitles file that will be used should will be specified\n"
+      "relatively to the playbin URI in use thanks to the subtitle-file\n"
+      "action property. You can also specify a folder with subtitle-dir\n"
+      "For example if playbin.uri='file://some/uri.mov\n"
+      "and action looks like 'set-subtitle, subtitle-file=en.srt'\n"
+      "the subtitle URI will be set to 'file:///some/uri.mov.en.srt'\n",
+      FALSE);
+
+  /* Overriding default implementation */
+  gst_validate_add_action_type ("switch-track", _execute_switch_track, NULL,
+      "The 'switch-track' command can be used to switch tracks.\n"
+      "The 'type' argument selects which track type to change (can be 'audio', 'video',"
+      " or 'text').\nThe 'index' argument selects which track of this type\n"
+      "to use: it can be either a number, which will be the Nth track of\n"
+      "the given type, or a number with a '+' or '-' prefix, which means\n"
+      "a relative change (eg, '+1' means 'next track', '-1' means 'previous\n"
+      "track'), note that you need to state that it is a string in the scenario file\n"
+      "prefixing it with (string).", FALSE);
+/* *INDENT-ON* */
+}
+
 int
 main (int argc, gchar ** argv)
 {
   GError *err = NULL;
   const gchar *scenario = NULL, *configs = NULL;
-  gboolean list_scenarios = FALSE, monitor_handles_state;
+  gboolean list_scenarios = FALSE, monitor_handles_state,
+      list_action_types = FALSE;
   GstStateChangeReturn sret;
   gchar *output_file = NULL;
   gint ret = 0;
@@ -325,6 +358,8 @@ main (int argc, gchar ** argv)
           &output_file, "The output file to store scenarios details. "
           "Implies --list-scenario",
         NULL},
+    {"list-action-types", 't', 0, G_OPTION_ARG_NONE, &list_action_types,
+        "List the avalaible action types with which to write scenarios", NULL},
     {"set-configs", '\0', 0, G_OPTION_ARG_STRING, &configs,
           "Let you set a config scenario, the scenario needs to be set as 'config"
           "' you can specify a list of scenario separated by ':'"
@@ -380,6 +415,17 @@ main (int argc, gchar ** argv)
     return 0;
   }
 
+  if (list_action_types) {
+    _register_playbin_actions ();
+
+    if (!gst_validate_print_action_types (argv + 1, argc - 1)) {
+      GST_ERROR ("Could not print all wanted types");
+      return -1;
+    }
+
+    return 0;
+  }
+
   if (argc == 1) {
     g_print ("%s", g_option_context_get_help (ctx, FALSE, NULL));
     g_option_context_free (ctx);
@@ -413,30 +459,7 @@ main (int argc, gchar ** argv)
 #endif
 
   if (_is_playbin_pipeline (argc, argv + 1)) {
-    const gchar *sub_mandatory_fields[] = { "subtitle-file", NULL };
-
-    gst_validate_add_action_type ("set-subtitle", _execute_set_subtitles,
-        sub_mandatory_fields,
-        "Action to wait set the subtitle file to use on a playbin pipeline. "
-        "The subtitles file that will be use should will be specified "
-        "relatively to the playbin URI in use thanks to the subtitle-file "
-        " action property. You can also specify a folder with subtitle-dir\n"
-        "For example if playbin.uri='file://some/uri.mov"
-        " and action looks like 'set-subtitle, subtitle-file=en.srt'"
-        " the subtitle URI will be set to 'file:///some/uri.mov.en.srt'",
-        FALSE);
-
-    /* Overriding default implementation */
-    gst_validate_add_action_type ("switch-track", _execute_switch_track, NULL,
-        "The 'switch-track' command can be used to switch tracks.\n"
-        "The 'type' argument selects which track type to change (can be 'audio', 'video',"
-        " or 'text'). The 'index' argument selects which track of this type"
-        " to use: it can be either a number, which will be the Nth track of"
-        " the given type, or a number with a '+' or '-' prefix, which means"
-        " a relative change (eg, '+1' means 'next track', '-1' means 'previous"
-        " track'), note that you need to state that it is a string in the scenario file"
-        " prefixing it with (string). You can also disable the track type"
-        " setting the 'disable' field (to anything)", FALSE);
+    _register_playbin_actions ();
   }
 
   runner = gst_validate_runner_new ();