item 

 byte count 

 Content 

 For action 

 tag name 

 4 

 ACTN 

 Data size 

 4 

 Number of bytes of data in this tag 

 Timecode 

 4 

 Supported video file timecode 
 hour: minute: second: frame is represented by 1 byte each 

 Spare 

 4 

 Spare 

 Number of actions 

 2 

 Number of action packets for this timecode 

 
 address of action packet 

 2 

 from the top of the action table 
 Number of offset bytes − 

 * 2 

 -------------------- * 2 repetition 

 number of events 

 2 

 number of events in this action packet 

 * 5 

 Size 

 2 

 Registered for this event 
 Action value byte count 

 Event value 

 2 

 Event value 

 * 4 

 Number of action values ​​

 2 

 Register for this event 
 number of actions 

 Action value 

 4 

 Action value to process 

 * 3 

 -------------------- * 3 Repeat 

 -------------------- * 4 repetition 

 -------------------- * Repeat 5