validate: Allow specifying scenarios to parse when lisiting them

It used to only handle the scenario present in proper paths, we
also need to handle special scenarios provided by users on the fly

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

@@ -1340,6 +1340,46 @@ _add_description (GQuark field_id, const GValue * value, KeyFileGroupName * kfg)
 }
 
 
+static gboolean
+_parse_scenario (GFile *f, GKeyFile * kf)
+{
+  gboolean ret = FALSE;
+  gchar *fname = g_file_get_basename (f);
+
+  if (g_str_has_suffix (fname, GST_VALIDATE_SCENARIO_SUFFIX)) {
+    GstStructure *desc = NULL;
+
+    gchar **name = g_strsplit (fname, GST_VALIDATE_SCENARIO_SUFFIX, 0);
+    GList *tmp, *structures = _scenario_file_get_structures (f);
+
+    for (tmp = structures; tmp; tmp = tmp->next) {
+      if (gst_structure_has_name (tmp->data, "description")) {
+        desc = tmp->data;
+        break;
+      }
+    }
+
+    if (desc) {
+      KeyFileGroupName kfg;
+
+      kfg.group_name = name[0];
+      kfg.kf = kf;
+
+      gst_structure_foreach (desc,
+          (GstStructureForeachFunc) _add_description, &kfg);
+    } else {
+      g_key_file_set_string (kf, name[0], "noinfo", "nothing");
+    }
+    g_list_free_full (structures, (GDestroyNotify) gst_structure_free);
+    g_strfreev (name);
+
+    ret = TRUE;
+  }
+
+  g_free (fname);
+  return ret;
+}
+
 static void
 _list_scenarios_in_dir (GFile * dir, GKeyFile * kf)
 {
@@ -1354,49 +1394,23 @@ _list_scenarios_in_dir (GFile * dir, GKeyFile * kf)
 
   for (info = g_file_enumerator_next_file (fenum, NULL, NULL);
       info; info = g_file_enumerator_next_file (fenum, NULL, NULL)) {
-    if (g_str_has_suffix (g_file_info_get_name (info),
-            GST_VALIDATE_SCENARIO_SUFFIX)) {
-      gchar **name = g_strsplit (g_file_info_get_name (info),
-          GST_VALIDATE_SCENARIO_SUFFIX, 0);
+    GFile *f = g_file_enumerator_get_child (fenum, info);
 
-
-      GstStructure *desc = NULL;
-      GFile *f = g_file_enumerator_get_child (fenum, info);
-      GList *tmp, *structures = _scenario_file_get_structures (f);
-
-      gst_object_unref (f);
-      for (tmp = structures; tmp; tmp = tmp->next) {
-        if (gst_structure_has_name (tmp->data, "description")) {
-          desc = tmp->data;
-          break;
-        }
-      }
-
-      if (desc) {
-        KeyFileGroupName kfg;
-
-        kfg.group_name = name[0];
-        kfg.kf = kf;
-
-        gst_structure_foreach (desc,
-            (GstStructureForeachFunc) _add_description, &kfg);
-      } else {
-        g_key_file_set_string (kf, name[0], "noinfo", "nothing");
-      }
-      g_list_free_full (structures, (GDestroyNotify) gst_structure_free);
-      g_strfreev (name);
-    }
+    _parse_scenario (f, kf);
+    gst_object_unref (f);
   }
 }
 
 gboolean
-gst_validate_list_scenarios (gchar * output_file)
+gst_validate_list_scenarios (gchar **scenarios, gint num_scenarios,
+    gchar * output_file)
 {
   gchar *result;
-
   gsize datalength;
+
   GError *err = NULL;
   GKeyFile *kf = NULL;
+  gint res = 0;
   const gchar *envvar;
   gchar **env_scenariodir = NULL;
   gchar *tldir = g_build_filename (g_get_user_data_dir (),
@@ -1404,11 +1418,28 @@ gst_validate_list_scenarios (gchar * output_file)
       NULL);
   GFile *dir = g_file_new_for_path (tldir);
 
+  kf = g_key_file_new ();
+  if (num_scenarios > 0) {
+    gint i;
+    GFile *file;
+
+    for (i = 0; i < num_scenarios; i++) {
+      file = g_file_new_for_path (scenarios[i]);
+      if (!_parse_scenario (file, kf)) {
+        GST_ERROR ("Could not parser scenario: %s", scenarios[i]);
+
+        gst_object_unref (file);
+        res = 1;
+      }
+    }
+
+    goto done;
+  }
+
   envvar = g_getenv ("GST_VALIDATE_SCENARIOS_PATH");
   if (envvar)
     env_scenariodir = g_strsplit (envvar, ":", 0);
 
-  kf = g_key_file_new ();
   _list_scenarios_in_dir (dir, kf);
   g_object_unref (dir);
   g_free (tldir);
@@ -1435,6 +1466,7 @@ gst_validate_list_scenarios (gchar * output_file)
   _list_scenarios_in_dir (dir, kf);
   g_object_unref (dir);
 
+done:
   result = g_key_file_to_data (kf, &datalength, &err);
   g_print ("All scenarios avalaible:\n%s", result);
 
@@ -1448,10 +1480,12 @@ gst_validate_list_scenarios (gchar * output_file)
     GST_WARNING ("Got error '%s' listing scenarios", err->message);
     g_clear_error (&err);
 
-    return FALSE;
+    res = FALSE;
   }
 
-  return TRUE;
+  g_key_file_free (kf);
+
+  return res;
 }
 
 static void

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

@@ -76,7 +76,11 @@ GType gst_validate_scenario_get_type (void);
 GstValidateScenario * gst_validate_scenario_factory_create (GstValidateRunner *runner,
                                                 GstElement *pipeline,
                                                 const gchar *scenario_name);
-gboolean gst_validate_list_scenarios (gchar *output_file);
+gboolean
+gst_validate_list_scenarios       (gchar **scenarios,
+                                   gint num_scenarios,
+                                   gchar * output_file);
+
 void gst_validate_add_action_type (const gchar *type_name, GstValidateExecuteAction function,
                                    const gchar * const * mandatory_fields, const gchar *description,
                                    gboolean is_config);

validate/tools/gst-validate-transcoding.c

@@ -811,7 +811,7 @@ main (int argc, gchar ** argv)
   gst_validate_init ();
 
   if (list_scenarios || output_file) {
-    if (gst_validate_list_scenarios (output_file))
+    if (gst_validate_list_scenarios (argv + 1, argc - 1, output_file))
         return 1;
     return 0;
   }

validate/tools/gst-validate.c

@@ -328,7 +328,7 @@ main (int argc, gchar ** argv)
   gst_validate_init ();
 
   if (list_scenarios || output_file) {
-    if (gst_validate_list_scenarios (output_file))
+    if (gst_validate_list_scenarios (argv + 1, argc - 1, output_file))
         return 1;
     return 0;
   }