If you license content from a studio, distributor, or PBS partner, your Roku channel will need DRM. Which DRM, at what security level, with which key system - these are make-or-break questions for your content deals. Here is the plain-English version of what you need to know.
The three DRM systems that matter for OTT
- Widevine (Google) - required by virtually all studio licenses for Android, Fire TV, Chrome, Roku, and most Smart TVs. Three security levels: L1 (hardware-backed, required for HD/4K studio content), L2, and L3 (software, SD only).
- PlayReady (Microsoft) - required by Xbox and Windows, and used on many Smart TVs. Two security levels: SL3000 (hardware-backed) and SL2000 (software).
- FairPlay (Apple) - required for tvOS, iOS, and Safari playback. Hardware-backed by default.
On Roku specifically, you can standardize on Widevine - the same DRM you already use for Fire TV and Android - so there is no need to add PlayReady just for Roku. Modern Roku devices support Widevine Modular DRM, including Widevine L1 (hardware-backed) for HD and 4K studio content. Roku also supports PlayReady, but Widevine alone is sufficient.
Not sure which DRMs and security levels your platforms need? The Multi-DRM & Security-Level Checker maps your target devices and resolution to Widevine, PlayReady, and FairPlay requirements.
What 'studio-approved' DRM means
When you sign a license with a major studio for HD or 4K content, the contract specifies a security level - typically 'hardware-backed DRM at SL3000 or equivalent.' This rules out software-only DRM and forces you onto a multi-DRM stack across platforms.
Practical effect: you need a Multi-DRM service (Bitmovin DRM, EZDRM, BuyDRM, Axinom, or similar) that issues license tokens for Widevine, PlayReady, and FairPlay from a common key set.
Common Encryption (CENC) is the glue
All three DRM systems can decrypt content encrypted with Common Encryption (CENC) - specifically CTR mode for Widevine/PlayReady and CBCS mode for FairPlay/recent PlayReady. CMAF packaging with CBCS encryption is now the universal format and is what you should generate by default.
One encrypted master, three license servers - that is the modern multi-DRM workflow. Your packager (Shaka Packager, Bento4, or a managed equivalent) handles the encryption; your multi-DRM service handles the licensing.
Roku's DRM setup specifically
Roku's video node accepts Widevine-protected DASH. You set drmParams with the key system set to Widevine and the licenseServerURL pointing to your DRM provider's Widevine license endpoint, passing the licensing token in the request headers.
For Roku 4K HDR playback of studio content, the channel must use Widevine L1 (hardware-backed) license rules and the device must support HDCP 2.2 on the HDMI output. Roku tests this during certification.
When you do not need DRM
If your content is your own (originals, user-generated, public domain), you generally do not need DRM. AES-128 stream encryption is enough to prevent casual ripping and is far cheaper to operate. Most FAST channels and creator-owned VOD libraries stream without DRM.
If you are not sure, ask your content provider in writing. License audits are real and discovering you should have had DRM after the fact is expensive.
What it costs
Multi-DRM services typically charge $0.001–$0.005 per license request. A 1M-monthly-viewer service generating ~10M license requests pays $10k–$50k/year for DRM. Packaging and origin storage are additional.
The bottom line
DRM is unavoidable for studio content and overkill for everything else. Pick a multi-DRM service early, package with CMAF + CBCS, and use Widevine for Roku, Fire TV, and Android, FairPlay for Apple, and PlayReady for Windows and Xbox. OTTEngine ships DRM-ready by default - book a demo to see how it integrates with your existing content rights stack.
Frequently Asked Questions
Does Roku support Widevine DRM?
Yes. Modern Roku devices support Widevine Modular DRM, so you can protect Roku playback with Widevine - the same DRM you use for Fire TV and Android - and you do not need PlayReady just for Roku. Roku also supports PlayReady, but Widevine alone is sufficient.
Do I need DRM for my Roku channel?
Only if your content licensing requires it. Original, user-generated, and public-domain content typically stream without DRM using AES-128 encryption.
What is the difference between Widevine L1 and L3?
L1 uses hardware-backed key storage and is required for HD/4K studio content. L3 uses software-only protection and is limited to SD playback under most studio contracts.
What is CMAF and why does it matter for DRM?
Common Media Application Format is a packaging standard that lets one encrypted media file work with Widevine, PlayReady, and FairPlay - eliminating the need to encode multiple times for multi-platform DRM.
How much does multi-DRM cost?
Most services charge $0.001–$0.005 per license request. Plan for $10k–$50k/year for a million-viewer service.