OPDS 1.1 and beyond Hadrien Gardeur @Hadrien Feedbooks
GoalCreating a new architecture usingcommon, open standards that permitspeople to find, buy, acquire, and readbooks from any source, on any device,using many different ebook applications.
Short VersionRead anything, anywhere.
Two years ago From Stanza catalogs to a standard August 2010 – OPDS 1.0Standard way to search, browse & acquire June 2011 – OPDS 1.1Complex acquisitions, advanced browsing December 2011 – OPDS 1.2Better support for lending & subscriptions Links to catalogs & callbacks
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
New Features OPDS 1.1
#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 intermediateresource between the catalog and the publication itself.
From Catalog toCatalog / Shelf / Callback
Catalog Catalogs are discoverable and can be shared We use catalogs to… discover browse search acquire contentCatalogs are meant to organize large collections,enable content providers to curate them, provide an integrated experience for the end user
Shelf A shelf is where I store my content Shelfs can be… specific to a catalog global or aggregated public or private synchronizedA shelf enables the user to find and read previously acquired content anywhere
Callback A callback is a message It contains… how to acquire the content metadata location of the shelf & catalog service discovery informationA callback is a message between the content provider and the reading environment.It opens the door to the reading ecosystem.
Callback Example #1Web Reading Systems
Current workflow 1. Buy the book2. Download the file locally 3. Upload the file 4. Start Reading OPDS Callback 1. Buy the book (OPDS Callback) 2. Start Reading
Callback Example #2 Service discovery
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
Upcoming Features OPDS 1.2
#1OPDS URI Scheme A necessary evil
One click to… Add a catalog Add a shelfLaunch a callback
#2Lending & Subscription
Lending & SubscriptionOPDS 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
What’s next ? A new serialization ? JSON ? Maybe. Domain & media specific metadata Better ecosystem(validation, discovery, documentation)Integration with upcoming standards (annotations ?)