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Dash.encrypt Segmenter from castLabs

Dash.encrypt Segmenter from castLabs | DRM video | Scoop.it

Usually when creating a video, all that is needed is to encode it using a codec (for example H.264 or HEVC). However, to transmit a video using MPEG-DASH, an extra segmentation step is required. Typical encoders do not provide this step and produce content which is not compatible with DASH.

 

Our dash.encrypt project provides a solution. It takes encoded video and audio from an array of different formats and repackages them as valid DASH streams. It also generates the required manifest which is the table of contents for the stream.

 

Hosted as a GitHub project, it is available as an open-source application written in Java. We provide everything you need to start creating DASH content and invite you to help refine the program.


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La complexité des DRM dans un contexte OTT

La complexité des DRM dans un contexte OTT | DRM video | Scoop.it

J’ai assisté hier à plusieurs présentations au SATIS, dont la « Carte blanche OVFSquad – DRMs – quel prix pour la sécurité de l’OTT ? ».

La question est importante, car tous les distributeurs de contenus en OTT sont confrontés à l’implémentation des DRM imposées par les ayants droit (pour appuyer sur un fait exprimé par les intervenants, ce n’est pas de gaité de cœur que les sites de VOD mettent en place des DRM ; s’ils ne le font pas, ils n’ont pas les films, point !).

 

Quelques rappels tout d’abord :

-          OTT (Over The Top) veut dire en pratique diffusion en dehors des plateformes IPTV des FAI, donc directement sur Internet; cela s’applique en particulier à la VOD (Vidéo à la Demande) sur PC, Mac, tablettes et TV connectées.

-          DRM (Digital Rights Management ou gestion de droits numériques) correspond à la protection du contenu par un système de licence (qui limite l’utilisation du contenu à certaines plages de temps, certains pays, certains terminaux) et un système de chiffrement des contenus (qui évite une utilisation immodérée du contenu).

-          ABR (Adaptive Bitrate) correspond à des technologies de streaming qui permettent d’adapter la qualité d’image d’un flux vidéo à la bande passante disponible. L’idée est de préférer une  image de moins haute définition à  une image qui bloque (freeze) de temps en temps.

 

Le problème est d’autant plus complexe le nombre de terminaux supportés est important. Supposons que vous développiez une plateforme VOD premium, qui commercialise des long-métrages pour lesquels l’implémentation d’un système de DRM est imposée, et qui désire mettre en place une diffusion ABR. Supporter PC et Mac est relativement facile, quoi que …


 


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Nicolas Weil's curator insight, November 26, 2013 5:31 PM

Bonne synthèse de Laurent Le Meur !

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W3C proceeds with Web video encryption despite opposition

W3C proceeds with Web video encryption despite opposition | DRM video | Scoop.it

The Web standards group is going ahead with its Encrypted Media Extensions technology despite some opposition, arguing it's a step in the right direction.

 

The World Wide Web Consortium has decided to go ahead with a technology that will let companies like Netflix stream encrypted video using Web sites -- against the wishes of the Free Software Foundation, Electronic Frontier Foundation, and 25,600 petition signatories.

 

The Web standards group announced the move Thursday, to nobody's surprise. Entertainment-industry players had approached the group three years ago to discuss the technology, Microsoft has been helping develop it, and Google already has built the specification, called Encrypted Media Extensions (EME) into Chrome.

 

The standard doesn't actually handle encryption and digital rights management (DRM) to govern who gets to see or copy video. Instead, it provides a standard mechanism that lets a browser call upon a plug-in that handles the work. In other words, it enables encryption but doesn't do the encryption itself.

 


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Nicolas Weil's curator insight, May 11, 2013 5:59 AM

Ars Technica's Opinion : "DRM in HTML5 is a victory for the open Web, not a defeat" http://goo.gl/BNHh1

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SMPTE Newswatch: DRM Drama

SMPTE Newswatch: DRM Drama | DRM video | Scoop.it

Digital Rights Management (DRM), at its most basic level, has traditionally been considered as the strategic use of technology to monitor and enforce intellectual property licensing agreements by controlling access to digital content as it is being distributed, protecting it from unauthorized use or downright theft. In the modern world, however, the notion of "broadcasting video" now includes over-the-air terrestrial signal distribution, along with cable, satellite, Internet, and mobile/data network broadcasting of content to, seemingly, an unlimited number of viewing devices. In that universe, the DRM label represents a constantly evolving, often proprietary, network of technologies and protocols used by broadcasters to secure the links of a content chain wherever those links are heading.


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The case for a common DRM framework

The case for a common DRM framework | DRM video | Scoop.it

It is possible to overstate the complexity of multi-screen video, but the absolute number and types of display devices are indeed increasing, which means that efforts to promote standards and greater simplicity address a live concern. A current initiative, playing out within the MPEG-DASH Industry Forum, among other places, to enable digital rights management (DRM) interoperability is a case in point.

 

Building his case for a common downloadable DRM framework that is independent of but compatible with CE devices of all shapes and sizes, Tranter (VP at NDS, now part of Cisco) names three standards that could play a foundational role, namely:

* Simulcrypt—the long-standing DVB protocol published by ETSI used to enable multiple key management systems;
* MPEG-DASH—Dynamic Adaptive Streaming over HTTP (DASH), which became an ISO standard in late 2011; and
* UltraViolet—an authentication and cloud-based rights system deployed over the past few years by a consortium of studios, manufacturers and service providers.


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HbbTV improved adaptive streaming

HbbTV improved adaptive streaming | DRM video | Scoop.it

The HbbTV (Hybrid Broadcast Broadband TV) consortium has announced the publication of version 1.5 of its hybrid TV specification. Building on existing standards and web technologies, the HbbTV specification provides the features and functionality required to deliver feature rich broadcast and internet TV services.

 

Version 1.5 of the HbbTV specification notably introduces support for HTTP adaptive streaming based on the recently published MPEG-DASH specification, improving the perceived quality of video presentation on busy or slow Internet connections. It also enables content providers to protect DASH delivered content with potentially multiple DRM technologies based on the MPEG CENC specification, improving efficiency in markets where more than one DRM technology will be used. Version 1.5 significantly enhances access to broadcast TV schedule information, enabling operators to produce full seven-day electronic programme guides as HbbTV applications that can be deployed across all HbbTV receivers to provide a consistent user experience. The latest advances are based on activity within the HD Forum in France as part of the development of the TNT 2.0 specification


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Intertrust’s Wasabi Marlin Client SDK v.1.3 supports MPEG-DASH multi-screen streaming [PR]

Intertrust’s Wasabi Marlin Client SDK v.1.3 supports MPEG-DASH multi-screen streaming [PR] | DRM video | Scoop.it

Recognizing the growing demand for a standards-based streaming technology for Over the top (OTT) content delivery, Intertrust today announced a new version of its Wasabi Marlin Client SDK that supports MPEG-DASH (Dynamic Adaptive Streaming over HTTP).

[...]

 

Intertrust’s Wasabi Marlin Client SDK v.1.3, available immediately, is a complete Software Development Kit (SDK) for developing media applications based on the Marlin DRM standard. Wasabi allows quick and efficient deployments based on Marlin DRM on desktop (PC and Mac), mobile (iOS and Android), and embedded systems (set top box and connected TV), with support for MPEG DASH and Common Encryption on all those platforms.

 

Wasabi Marlin Client SDK product page : http://www.intertrust.com/solutions/wasabi


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Netview Technology Media Client SDK - Smooth, DASH and PlayReady support for iOS and Android apps

Netview Technology Media Client SDK - Smooth, DASH and PlayReady support for iOS and Android apps | DRM video | Scoop.it

Input media formats:

- Smooth (VoD & Live). An adaptive HTTP format specified by Microsoft. Used by Microsoft in Silverlight, but is an open format that third party clients also support.

- Apple HLS (VoD & Live). An adaptive HTTP format specified by Apple. Used by Apple in iPhone/iPad, but is – like Smooth – an open format.

- MPEG DASH (VoD). A new adaptive format specified by ISO. Wide and promising industry backing. We support both MPEG-2 TS and MP4-based (ISOBFF) profiles.

 

Input DRM formats:
- Microsoft PlayReady DRM


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Marlin-DRM protected DASH POC : MMSys 2011 Ericsson research paper

Marlin-DRM protected DASH POC : MMSys 2011 Ericsson research paper | DRM video | Scoop.it

Dynamic adaptive HTTP streaming (DASH) is a new concept for video streaming using consecutive downloads of short video segments. 3GPP has developed the basic DASH standard which is further extended by OIPF and MPEG. In all versions available to date, content protection is not properly enabled. Extensions are needed to enable important use cases like pay-per-view, license change in an ongoing video channel, and pay-per-maximum-quality.


In this publication, Frank Hartung, Sinan Kesici and Daniel Catrein have examined which extensions are needed, in order to use DASH for DRM protected content. This comprises required changes in the DASH standard, namely MPD metadata extensions, as well as changes in the used transport file formats, namely the inclusion of a ISO file format box carrying a segment key, and finally a suitable key and license structure applied to the underlying DASH concept. All those changes have been proposed and explained in the paper. With these changes and additions, which do not change the core idea of DASH, even more complex use cases like pay-per-view and pay-per-maximum-quality are possible. As a proof-of-concept, the authors have implemented the proposed changes and integrated them with a real DRM key and license management system. For the proof-of-concept, they have used Marlin DRM, but any other similar DRM would be equally usable.

 

READ THE PAPER HERE : http://www.hartung.fh-aachen.de/publications/ACM_MMSys2011_p277.pdf 

 


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Content Decryption Module Interface Specification: An open interface for enabling HTML5 Encrypted Media Extensions in open source browsers

Content Decryption Module Interface Specification: An open interface for enabling HTML5 Encrypted Media Extensions in open source browsers | DRM video | Scoop.it

The W3C HTML working group is developing media extension specifications for HTML5 to enable the delivery of commercial video to consumers over the Web. One of these is the Encrypted Media Extensions (EME) specification. The current specification describes an open interface which may be used to implement an EME-compliant Content Decryption Module (CDM) within a User-agent, providing access to a platform DRM component which supports the defined Content Decryption Module interface (CDMi).


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Intertrust claims it is now easier to use Marlin than other DRMs

Intertrust claims it is now easier to use Marlin than other DRMs | DRM video | Scoop.it

The new ExpressPlay content protection solution-as-a-service makes it dramatically easier to implement DRM for Connected TV and multiscreen services, Intertrust, the company behind the solution, claims. ExpressPlay is designed for use with Marlin DRM, the open-standard content protection system, and can be used with existing Marlin-enabled connected TVs and set-top boxes. The market for this service therefore includes HbbTV-based broadcast/broadband services as well as YouView in the UK. Intertrust says ITV and BT both use the ExpressPlay service for their DRM requirements on YouView. A good proportion of the transactions on the Tivù platform in Italy use the ExpressPlay hosted service. Eutelsat KabelKiosk is going to use this cloud-based content protection.


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Asil's curator insight, August 3, 2013 5:33 PM

Interesting read if you're planning to self-publish your work.

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DRM in HTML5 : not ready for prime time

DRM in HTML5 : not ready for prime time | DRM video | Scoop.it

A few days ago, a new proposal was put forward in the HTML Working Group (HTML WG) by Microsoft, Netflix, and Google to take DRM in HTML5 to the next stage of standardization at W3C. This triggered another uproar about the morality and ethics behind DRM and building it into the Web. There are good arguments about morality/ethics on both sides of the debate but ultimately, the HTML WG will decide whether or not to pursue the specification based on technical merit. I am a member of the HTML WG. I was also the founder of a start-up that focused on building a legal, peer-to-peer, content distribution network for music and movies. It employed DRM much like the current DRM in HTML5 proposal. During the course of 8 years of technical development, we had talks with many of the major record labels. I have first-hand knowledge of the problem, and building a technical solution to address the problem.

 

The Encrypted Media Extensions (DRM in HTML5) specification does not solve the problem the authors are attempting to solve, which is the protection of content from opportunistic or professional piracy. The HTML WG should not publish First Public Working Drafts that do not effectively address the primary goal of a specification.


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Reducing Complexity of Multiscreen Video Services with PlayReady and MPEG-DASH

Reducing Complexity of Multiscreen Video Services with PlayReady and MPEG-DASH | DRM video | Scoop.it

Adaptive streaming protocols need to be integrated with content protection schemes. PlayReady was originally designed to work with Smooth Streaming. It has also been integrated with HLS, which is probably the most popular of the proprietary adaptive streaming schemes. Integration of PlayReady with MPEG-DASH is likely to be viewed as a safe choice, in line with the way the industry is going. That solution came into view this month as BuyDRM and Fraunhofer IIS announced an integration of MPEG-DASH with PlayReady for the HBO GO service in Europe. HBO GO is HBO’s “over the top” service for subscribers.


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UltraViolet: Another DRM dead-end for Internet video

UltraViolet: Another DRM dead-end for Internet video | DRM video | Scoop.it

At first glance, I thought UltraViolet was just what I needed to put my movie collection online. I was wrong.

 

UltraViolet sounded good. "UltraViolet is DVD for the Internet. Just as the DVD logo means that you can buy a DVD from any seller and expect it to play in any player with a DVD logo (DVD players, DVD PCs, DVD entertainment systems in automobiles, and so on), the UltraViolet logo means you can buy UltraViolet movies from any seller, keep track of your 'online locker' or 'virtual collection' of movies, and expect them to play on anything with the UltraViolet logo (PCs, tablets, smartphones, Blu-ray players, cable set-top boxes, and so on)."

 

Oh well, lots of things sound good at first.


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Adobe Access – A Single DRM Workflow

Adobe Access – A Single DRM Workflow | DRM video | Scoop.it

"We recently announced the upcoming availability of Adobe Access (formerly Flash Access) DRM protection for native iOS applications. So what does this mean for your workflow?

 

You can now finally reach a broad range of destination devices with a single, simple workflow, including Windows, OSX, iPad, iPhones, iPods, hundreds of Android smartphones and tablets (Android 2.2+), and televisions, including Samsung Smart TVs, TIVO and LG devices, and soon many more as part of project Primetime."


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Encrypted Media Extensions for HTML5 by Google, Microsoft and Netflix

Encrypted Media Extensions for HTML5 by Google, Microsoft and Netflix | DRM video | Scoop.it

This proposal extends HTMLMediaElement to enable playback of protected content. The proposed API supports use cases ranging from simple clear key decryption to high value video (given an appropriate user agent implementation). License/key exchange is controlled by the application, facilitating the development of robust playback applications supporting a range of content decryption and protection technologies. No "DRM" is added to the HTML5 specification, and only simple clear key decryption is required as a common baseline.


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Verimatrix white-paper : Navigating content security requirements for multi-screen video

Verimatrix white-paper : Navigating content security requirements for multi-screen video | DRM video | Scoop.it

Video service providers looking to launch multi-network, multi-screen services face challenges in assessing the implications of the content security requirements that major content owners will include in content licensing deals.

 

Whether you are a traditional managed-network operator or an OTT video startup, you need to know what protection technologies the studios will expect as you plan new offerings.

 

Verimatrix teamed with Bill Rosenblatt of GiantSteps Media Technology Strategies to develop the most comprehensive guide available today on how TV Everywhere-type services are affecting traditional licensing and security rules.

 

Based on extensive research with major Hollywood studios and other content owners, we have found that content protection requirements contain many subtleties and are in states of flux regarding various criteria. Our examination of content owners' policies reveals important benchmarks and trends in protection requirements.


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Unified Streaming Platform Roadmap

Unified Streaming Platform Roadmap | DRM video | Scoop.it

A good overview of the major features implemented in 2011 inside USP repackaging software :

- PlayReady encryption key exchange with BuyDRM's KeyOS Smooth DRM Service

- Verimatrix iOS key exchange

- support for MPEG DASH draft specification

- Proxy support (NFS, S3, Windows Azure)

 

... and what's coming in 2012 :

- Selective scrambling

- Flash access DRM

- Full MPEG-DASH support

- support for UltraViolet's Common File Format, using Common Encryption


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