Libaacs is a research project and has an interoperability purpose (see above point). VideoLAN is NOT a US-based organization and is therefore outside US juridiction. NB: In the USA, you should check out the US Copyright Office decision that allows circumvention in some cases. This method is authorized by a French law decision CE 10e et 9e soussect., 16 juillet 2008, n° 301843 on interoperability. Libdvdcss is a library that can find and guess keys from a DVD in order to decrypt it. VLC MEDIA PLAYER DVD WINDOWS 7 SOFTWAREThe two software libraries that enable DVD and Blu-ray playback in VLC are libdvdcss and libaacs, both of which get their own legal justifications (the bold-faced words are in the original): Therefore, software patents licenses do not apply on VideoLAN software. Patents and codec licenses Neither French law nor European conventions recognize software as patentable (see French section below). If you skip to the bottom of the English portion of the page, you see why that matters. Well, on its "Legal concerns" page the makers of VLC open with a proud declaration: "VideoLAN is an organization based in France," and "French law. The noteworthy exception is the VLC media player, which proudly bills itself as "a free and open source cross-platform multimedia player and framework." It explicitly lists DVD as a supported format. Microsoft, Apple, Panasonic, Sony, Samsung, and other companies that make DVD players (hardware and software) have to pay those license fees for every unit they deliver to a customer, which is why you don't see very many free DVD players. My back-of-the-envelope calculations suggest that Dolby gets at least 50 cents and as much as a dollar for every Windows PC sold. The licensing schedule isn't public, but in its annual report for 2011 Dolby revealed that it collected $124 million in licensing fees from Microsoft for the year, with most of that revenue generated from Windows 7. VLC MEDIA PLAYER DVD WINDOWS 7 MOVIEThis decoder, which is required for DVD movie playback, has to be licensed from Dolby Laboratories, Inc. Microsoft pays An OEM PC maker who licenses Windows from Microsoft must pay $2 in MPEG-2 licensing fees to enable DVD playback in every copy of Windows 7 Home Premium, Professional, and Ultimate. The maker of a cheap DVD player sold at Costco pays $2 per unit for the MPEG-2 rights. The pool itself is managed by MPEG LA, which collects and distributes royalties on behalf of the patent owners, under a master license agreement. The licensing rights for the MPEG-2 standard are made up of a pool of patents contributed by their inventors. In particular, you need access to the following: Any commercial product-hardware or software-that plays back DVDs has to have a license to a handful of software components that are protected by patents.
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