Used BLOCK_FLAG_PRIVATE_SHIFT for creating private masks.

modules/packetizer/dirac.c

@@ -185,8 +185,8 @@ enum {
 };
 
 enum {
-    DIRAC_NON_DATED = 0x04000000,
-    DIRAC_DISCARD = 0x08000000,
+    DIRAC_NON_DATED = (1 << BLOCK_FLAG_PRIVATE_SHIFT),
+    DIRAC_DISCARD   = (2 << BLOCK_FLAG_PRIVATE_SHIFT),
 };
 
 enum {