1 files changed, 17 insertions, 0 deletions
diff --git a/src/iso11172-1.h b/src/iso11172-1.h
index f284410..e01b45b 100644
--- a/src/iso11172-1.h
+++ b/src/iso11172-1.h
@@ -38,6 +38,23 @@
 
 namespace ISO11172_1 {
   ////////////////////////////////////////////////////
+  // Types
+  ////////////////////////////////////////////////////
+  // 64 bits (8 bytes)
+  typedef struct {
+    unsigned long long int marker_bit5:1;
+    unsigned long long int mux_rate:22;
+    unsigned long long int marker_bit4:1;
+    unsigned long long int marker_bit3:1;
+    unsigned long long int system_clock_reference3:15;
+    unsigned long long int marker_bit2:1;
+    unsigned long long int system_clock_reference2:15;
+    unsigned long long int marker_bit1:1;
+    unsigned long long int system_clock_reference1:3;
+    unsigned long long int padding:4;
+  } pack_header;
+
+  ////////////////////////////////////////////////////
   // Constants
   ////////////////////////////////////////////////////
   const char pack_start_code[]          = "\x00\x00\x01\xBA";