libs: encoder: Add MB ratecontrol mode to get its string

diff --git a/gst-libs/gst/vaapi/gstvaapiutils.c b/gst-libs/gst/vaapi/gstvaapiutils.c
index 49fb652..736fafa 100644 (file)
--- a/gst-libs/gst/vaapi/gstvaapiutils.c
+++ b/gst-libs/gst/vaapi/gstvaapiutils.c
@@ -338,6 +338,10 @@ string_of_VARateControl (guint rate_control)
       return "VBR";
     case VA_RC_VBR_CONSTRAINED:
       return "VBR-Constrained";
+#if VA_CHECK_VERSION(0,39,1)
+    case VA_RC_MB:
+      return "MB";
+#endif
     default:
       break;
   }