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persistentState for Widevine DRM


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Hi guys,

Is it possible on webOS with chromium 68 and above to make DRM playback with persistentState set to 'required'?

I'm testing with command:

'navigator.requestMediaKeySystemAccess('com.widevine.alpha',[{videoCapabilities: [{robustness: 'SW_SECURE_CRYPTO', contentType: 'video/mp4;codecs="avc1.42C015"'}], persistentState: 'required' }])' and on LG tv got "DOMException: Unsupported keySystem or supportedConfigurations."

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