The PixeLINK Data Stream file (.pds) is a binary file with the following format:
U32  | "magic number" 0x04040404, indicating that this is a valid PDS file.  | 
U32  | number of frames in the file  | 
FRAME_DESC  | FRAME_DESC for the first frame. NOTE: The uSize field indicates the size of the FRAME_DESC used in the PDS.  | 
data  | Data for the first frame. Note: Format and size of data can be determined by examining the FRAME_DESC for this frame.  | 
FRAME_DESC  | FRAME_DESC for the second frame  | 
data  | Data for the second frame  | 
...  | And so on until...  | 
FRAME_DESC  | FRAME_DESC for the last frame  | 
data  | Data for the last frame |