Firefox is giving me a warning about audio and/or video DRM
Please see the table of contents in the right-hand column to access each of technical support items.
Firefox has changed how it treats the playback of video and audio from some external providers.
The warning can be dismissed by clicking the "X" to the right of the warning in the browser window.
If you want to disable the warning completely, please see - https://support.mozilla.org/en-US/kb/enable-drm?as=u&utm_source=inproduct