Managing ClearKey DRM protected media on a personalized receiver (such as Chromecast) - best practices and tips

Looking to develop a unique Chromecast receiver customized for playing clearkey protected content. Seeking ways to leverage the clearkey from the receiver's side to successfully achieve this goal.

Answer №1

In my opinion, you will likely discover that this simply 'functions as intended' - Clearkey DRM embeds the key, or a link to the key in plain view, within the stream itself and should be natively supported on a Google Cast device.

If not, or if you prefer to transmit the key or license URL regardless, you have the option to include it as custom data sent to the receiver - refer to this post for more information:

Google offers detailed instructions on this topic here: https://developers.google.com/cast/docs/media/streaming_protocols?hl=en#drm

Specifically tailored to your scenario:

When dealing with media content containing its DRM license (and key URL) stored within their manifest (DASH or HLS), the Cast SDK takes care of this situation automatically. Some of this content may necessitate a licenseUrl required for obtaining the decryption key. In the Web Receiver, utilize PlaybackConfig to define the licenseUrl as necessary.

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