Feeds

WTF is... DLNA?

A cure for media playback blues - or will it just have you seeing red?

  • alert
  • submit to reddit

The Essential Guide to IT Transformation

All you need is UPnP?

Colin Crawford, marketing manager for the UK radio manufacturer Pure takes the same view. Pure uses the core UPnP technology to allow its internet-connected radios to play music customers already have stored on their network.

”As far as DLNA’s concerned,” he says, “we don’t see quite enough value for us to be spending what is a fair amount of money annually.” To sign up with DLNA, companies like Humax and Pure would be expected to pay an annual membership fee of around $10,000. That's a lot just to formally state you support technology that you already do.

DLNA on the Samsung Wave

Sony’s PS3 is an excellent, if quirky DLNA client. The Pinkitude server seen here is tuned to work with consoles - with the result that it doesn’t work with any of the other DLNA devices on my LAN

To be DLNA certified, a product is tested to show that it meets the defined standards. But there’s no requirement to demonstrate that your DLNA-compliant devices actually work together with anyone else's. Practical tests of this kind are left to the informal DNLA “plugfests” the Alliance hosts around the globe at regular intervals.

So this leaves DLNA in a curious place. With the exception of Apple, a notable non-member with its own quite different home networking technology, large manufacturers endorse DLNA, build it into their products, but often don't mention it, or put it out under their own proprietary name - a marketing ploy that seems intended to encourage brand loyalty rather than offering hope for interoperation between brands.

DLNA: A developer's view

Open source coder Benjamin Zores, who has worked extensively with UPnP and DLNA, sees DLNA as an attempt by a consortium of industry heavy-hitters to “harden” the geeky flexibility of UPnP AV, mostly by imposing severe restrictions on the formats it will handle, to the extent that “99 per cent of video files are not DLNA compliant”.

This explains the dreaded error messages that DLNA users seem to see too often: "Unsupported Format" and, worse still, "Data is Corrupted" - which it almost always isn't. In summary, says Zores: “DLNA is truly broken by design”.

Build a business case: developing custom apps

More from The Register

next story
4K video on terrestrial TV? Not if the WRC shares frequencies to mobiles
Have your say with Ofcom now, before Freeview becomes Feeview
iPad? More like iFAD: We reveal why Apple fell into IBM's arms
But never fear fanbois, you're still lapping up iPhones, Macs
You didn't get the MeMO? Asus Pad 7 Android tab is ... not bad
Really, er, stands out among cheapie 7-inchers
Apple winks at parents: C'mon, get your kid a tweaked Macbook Pro
Cheapest models given new processors, more RAM
YES, iPhones ARE getting slower with each new release of iOS
Old hardware doesn't get any faster with new software
Leaked Windows Phone 8.1 Update specs tease details of Nokia's next mobes
New screen sizes, dual SIMs, voice over LTE, and more
Microsoft stands on shore as tablet-laden boat sails away
Brit buyers still not falling for Windows' charms
Nintend-OH NO! Sorry, Mario – your profits are in another castle
Red-hatted mascot, red-colored logo, red-stained finance books
prev story

Whitepapers

Implementing global e-invoicing with guaranteed legal certainty
Explaining the role local tax compliance plays in successful supply chain management and e-business and how leading global brands are addressing this.
Boost IT visibility and business value
How building a great service catalog relieves pressure points and demonstrates the value of IT service management.
Why and how to choose the right cloud vendor
The benefits of cloud-based storage in your processes. Eliminate onsite, disk-based backup and archiving in favor of cloud-based data protection.
The Essential Guide to IT Transformation
ServiceNow discusses three IT transformations that can help CIO's automate IT services to transform IT and the enterprise.
Maximize storage efficiency across the enterprise
The HP StoreOnce backup solution offers highly flexible, centrally managed, and highly efficient data protection for any enterprise.