Fallback to L3 incase of DRM errors while downloading content.

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1. Similar to the Issue here : https://github.com/google/ExoPlayer/issues/8108# Is it possible for us to force the device to use L3 security level using some blackList config, by passing a custom ExoMediaDrm.Provider? I saw one secondary constructor in the OfflineLicenseHelper Class but it has been deprecated.
2. Is there any other work-around to avoid DRM Issues while downloading content on devices which have their L1 security level revoked?

Error

com.google.android.exoplayer2.drm.DrmSession$DrmSessionException: android.media.MediaDrm$MediaDrmStateException: Failed to get key request: General DRM error

[rrfrias]

These seem like two separate issues. Can you send a full bugreport to [e-mail]? It might shed some light on what is happening.

while playing the content without downloading, this error comes up.

I assume you are using the default security level (L1) but since it the device is revoked it ends up with higher resolution content and license policies that L3 cannot fulfill. HDCP and output protections are not supported on L3.

In the earlier case, it might be that the license was downloaded as L3 but it is search for an L1 offline license and cannot find it. Maybe you can tell. More logs will be helpful.

but with forcing widevine level L3, on both scenarios playing without downloading and downloading and playing the content works ( it downloads the lower resolution content and successfully able to play it).

This is the right way to handle devices for which L1 has been revoked. If you are part of CWIP, you can contact Widevine for support https://widevine.com/contact and a list of revoked devices.

[icbaker]

@rrfrias can you please take a look at this question about the specifics of widevine offline licenses on a device with revoked L1.