/**
* gst_preset_set_app_dir:
- * @app_dir: the application specific preset dir
+ * @app_dir: (type filename): the application specific preset dir
*
* Sets an extra directory as an absolute path that should be considered when
* looking for presets. Any presets in the application dir will shadow the
* Gets the directory for application specific presets if set by the
* application.
*
- * Returns: (nullable): the directory or %NULL, don't free or modify
+ * Returns: (nullable) (type filename): the directory or %NULL, don't free or modify
* the string
*/
const gchar *
/**
* gst_filename_to_uri:
- * @filename: absolute or relative file name path
+ * @filename: (type filename): absolute or relative file name path
* @error: pointer to error, or %NULL
*
* Similar to g_filename_to_uri(), but attempts to handle relative file paths