#define BLOCK_FLAG_CLOCK 0x0200
/** This block is scrambled */
#define BLOCK_FLAG_SCRAMBLED 0x0400
+/** This block has to be decoded but not be displayed */
+#define BLOCK_FLAG_PREROLL 0x0800
+/** This block is corrupted and/or there is data loss */
+#define BLOCK_FLAG_CORRUPTED 0x1000
#define BLOCK_FLAG_PRIVATE_MASK 0xffff0000
#define BLOCK_FLAG_PRIVATE_SHIFT 16