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Tag Info
Tag Number: 
Tag Type: 
Tag Flash Version: 
Unknown SWF Tag: 
This tag is defined by the Flash documentation by Adobe
Brief Description: 

Defines a buffer of any size with any binary user data.

Tag Structure: 
struct swf_definebinarydata {
	swf_tag			f_tag;		/* 87 */
	unsigned short		f_data_id;
	unsigned long		f_reserved;	/* must be zero */
	unsigned char		f_data[<variable size>];

The DefineBinaryData tag is used to save any arbitrary user defined binary data in an SWF movie. The Flash player itself ignores that data. The size of the data is not specifically limited.

The f_data_id is this object identifier. The identifier is the same type as any identifier (like a sprite identifier.) It is used in ActionScripts to reference the data.

The f_reversed area is 32 bits and it must be set to zero in version 9.

The size of the f_data buffer is defined as the size of the tag minus the f_data_id and f_reserved fields. This is where the raw binary data goes.


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