[ACR-436] Modify getter API return value from "Unknown" to empty string("")

[platform/core/api/media-content.git] / include / media_info.h

diff --git a/include/media_info.h b/include/media_info.h
index 80b6860..3b0bbe1 100755 (executable)
--- a/include/media_info.h
+++ b/include/media_info.h
@@ -729,6 +729,8 @@ int media_info_get_thumbnail_path(media_info_h media, char **path);
 
 /**
  * @brief Gets the description of media info.
+ * @details If the value is an empty string, the method returns "Unknown". \n
+ *                Since 3.0, if the media info has no description, the method returns empty string.
  * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
  *
  * @remarks You must release @a description using free().
@@ -903,6 +905,9 @@ int media_info_get_content_name(media_info_h media, char **content_name);
 
 /**
  * @brief Gets the title of media info.
+ * @details If the value is an empty string, the method returns "Unknown". \n
+ *                Since 3.0, if the media info has no title, the method returns empty string.
+ *
  * @since_tizen @if MOBILE 2.3 @elseif WEARABLE 2.3.1 @endif
  *
  * @remarks You must release @a title using free().