'Add a new track to an already-packaged, DRM protected HLS video

I'm currently working on a video packaging workflow, involving DRM protection on video assets. For now, the process of packaging and protecting a video with DRM in HLS is rather staighforward.

The only concert remaining being: the workflow involves periodically adding new audio tracks to the video.

Is it possible to add tracks to an already packaged AND protected video using shaka-packager? Or do I need to start all over, and package the video with all the tracks at once to get a whole package working in sync?

I would really appreciate any insight about this, as the shaka documentation does not seem to address this possibility I'm starting to think that it is not an option.



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