Support Downloading Drm Protected dash

[ghoshben]

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Description of your issue, suggested solution and other information

Sample Dash https://bitmovin-a.akamaihd.net/content/art-of-motion_drm/mpds/11331.mpd

It's a DRM protected dash. But I am unable to download it using youtube-dl.

I know that as it is DRM protected, it downloaded file can't be played. It would be great if youtube-dl download all the .m4s files and combine them to an mp4 file (I 've recently figured out how widevine works but unable to download the DRM protected dash ) .

Is there any way to download DRM protected dash with youtube-dl (using any flag that force youtube-dl to stop checking whether the dash is encrypted or not )

[dstftw]

Not possible without modifying the source code.