1. OPDS 1.1 and beyond
Hadrien Gardeur
@Hadrien
Feedbooks

2. Goal
Creating a new architecture using
common, open standards that permits
people to find, buy, acquire, and read
books from any source, on any device,
using many different ebook applications.

3. Short Version
Read anything, anywhere.

5. Two years ago
From Stanza catalogs to a standard
August 2010 – OPDS 1.0
Standard way to search, browse & acquire
June 2011 – OPDS 1.1
Complex acquisitions, advanced browsing
December 2011 – OPDS 1.2
Better support for lending & subscriptions
Links to catalogs & callbacks

6. State of the ecosystem
20+ OPDS Clients
… a must have feature for indie apps
… access to content from major international
publishers
> 10 mil. users
… thousands of them using their own catalogs
A first version of an OPDS Validation Service

7. New Features
OPDS 1.1

8. #1
Facets

10. #2
Featured content

13. #3 Indirect Acquisition
Support for complex acquisition flows
Among other things…
support for transactions in browser
packaging formats
(ZIP archive, DRM)
Solving the issue of having an intermediate
resource between the catalog and the publication
itself.

15. From Catalog to
Catalog / Shelf / Callback

16. Catalog
Catalogs are discoverable and can be shared
We use catalogs to…
discover
browse
search
acquire content
Catalogs are meant to organize large collections,
enable content providers to curate them, provide
an integrated experience for the end user

17. Shelf
A shelf is where I store my content
Shelfs can be…
specific to a catalog
global or aggregated
public or private
synchronized
A shelf enables the user to find and read
previously acquired content anywhere

18. Callback
A callback is a message
It contains…
how to acquire the content
metadata
location of the shelf & catalog
service discovery information
A callback is a message between the content
provider and the reading environment.
It opens the door to the reading ecosystem.

19. Callback Example #1
Web Reading Systems

23. Current workflow
1. Buy the book
2. Download the file locally
3. Upload the file
4. Start Reading
OPDS Callback
1. Buy the book
(OPDS Callback)
2. Start Reading

24. Callback Example #2
Service discovery

25. 22/09/2011

26. Services
Downloading a publication could trigger…
the ability to share annotations in your field
the addition of a peer reviewing service
the discovery of the full arXiv catalog

27. Upcoming Features
OPDS 1.2

28. #1
OPDS URI Scheme
A necessary evil

30. One click to…
Add a catalog
Add a shelf
Launch a callback

31. #2
Lending & Subscription

33. Lending & Subscription
OPDS 1.2 will provide better support for…
Indicating the availability of a publication
(pre-order, lending availability, next issue)
Length of the acquisition
(return date, subscription length)
A subscription shelf

34. What’s next ?
A new serialization ?
JSON ?
Maybe.
Domain & media specific metadata
Better ecosystem
(validation, discovery, documentation)
Integration with upcoming standards
(annotations ?)

35. Discover OPDS at
http://opds-spec.org