You can then create the MFDocumentManager with the path to
document_001.pdf as usual. Then, if you have added annotations like
fpkv://video/video_02.mp4, you set the MFDocumentManager's
resourceFolder to /Library/Document001. The kit will look for the
video at /Library/Document001/video/video_02.mp4.
FPK archives (zip archive) are comfy because you can add
anything you need into them, pdf and multimedia alike, and unzip
them in a specific document folder. This also mean you can delete
the folder and remove all the unneded file at once.
Yo uncompress the fpk/zip file you can use a third party library
based on libz, like ZipArchive. You'll find the static library and
the header, and the required minizip files, in the Third parties
folder of the kit project. Code samples is in BookItemView's