Re: Campaign for position of chair and mandate to close this community group

On Thu, Jan 16, 2014 at 1:09 AM, Henri Sivonen <hsivonen@hsivonen.fi> wrote:

> On Wed, Jan 15, 2014 at 11:56 PM, Mark Watson <watsonm@netflix.com> wrote:
> > Try this one:
> http://msdn.microsoft.com/en-us/library/windows/apps/dn466732
>
> A sentence of interest in that document: "To support Microsoft
> PlayReady EME, browsers must implement MSE and EME APIs onto their
> Media Foundation equivalents."
>
> Compare with how one supports Adobe ADEPT for EPUB: If you want to
> support ADEPT, you embed Adobe's EPUB engine—CSS formatter and
> all—into you reading app. What if Kobo wants to support an engine
> feature not supported by Adobe's engine? Well, they get to ship
> another CSS formatter next to Adobe's and that CSS formatter is used
> for Kobo DRM books—but not for ADEPT books.
>
> >> A DRM implementation cannot be open source either.
> >
> > There are several counter-examples, for example OMA DRM.
>
> We've been over this before. The key question is whether what's
> shipped to users is still under Open Source licensing terms *only*.
> It's not that interesting if some Open Source code goes into an
> end-user product, but the end-user product as a whole is proprietary.
> Some BSD code in Windows doesn't make Windows Open Source as a whole.
> Quite a bit more BSD code in OS X doesn't make OS X Open Source as a
> whole.
>
> Also, the particular (now dead) OMA DRM implementation in question
> seemed to rely on Tivoization for robustness and, therefore, would
> probably not have gotten its keys signed by the trust root on a
> non-Tivoized system.
>
> > However, as explained above, it's entirely possible for a FOSS browser to
> > integrate with a non-FOSS CDM that is distributed separately, for example
> > with the OS.
>
> It seems to me that people in this thread are not only interested in
> FOSS browsers but also in FOSS operating systems.
>
> Or even non-Windows operating systems. I'd be curious to see existence
> proof of a PlayReady Final Product for OS X shipped by someone other
> than Microsoft (i.e. Silverlight for Mac doesn't count).
>

I don't know about OS X specifically, though I have no doubt that could be
done, but such things certainly exist for many Linux-based platforms, iOS,
Android and other operating systems.

...Mark



>
> --
> Henri Sivonen
> hsivonen@hsivonen.fi
> https://hsivonen.fi/
>