.bca File Structure

Example for a typical .bca file

• | - | --- | --- File Header | BCA Header Frame Header | - Device Header | Device Data Device Header | Device Data Frame Header | - Device Header | Device Data ... | ... Device Header | Device Data EOF | -

File Structure

File Header

Offset	Bytes	Datatype	Name	Description
0x00	2	uint16	fType	ASCII Chars 'BA', 0x4241
0x02	4	uint32	fSize	Whole file size
0x06	4	uint32	fReserved
0x0A	4	uint32	fBcaOffset	Start of BCA content after file header

BCA Header

Offset	Bytes	Datatype	Name	Description
0x0E	4	uint32	hSize	BCA header size
0x12	2	uint16	hVersion	BCA file version = 1
0x14	4	uint32	hFrameOffset	Offset to first frame
0x18	2	uint16	hFPS	Frames per second
0x1A	4	uint32	hFrameCount	Number of total frames
0x1E	2	uint16	hReserved

Frame Header

Offset	Bytes	Datatype	Name	Description
0x20	2	uint16	fhSize	Frame header size
0x22	2	uint16	fhDeviceCount	Number of devices in this frame
0x24	2	uint16	fhDataSize	Size of all devices and their data in this frame

Device Header

Offset	Bytes	Datatype	Name	Description
0x26	1	uint8	dhSize	Device header size
0x27	1	enum	dhDataType	0-Assign color to all, 1-Assing color to row/col
0x28	2	enum	dhDevice	None, Keyboard, Keypad, Mouse, Mousepad, Headset
0x30	2	uint16	dhDataSize	Size of data contained in this frame for this device

Device Data

Offset	Bytes	Datatype	Name	Description
0x32	1	uint8	dRow	0 on devices with only 1 row
0x33	1	uint8	dColumn	Column
0x34	4	uint32	dABGR	RGBa