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==Format== VC-1 is an evolution of the conventional block-based [[motion compensation|motion-compensated]] hybrid video coding design also found in [[H.261]], [[MPEG-1#Part 2: Video|MPEG-1 Part 2]], [[H.262/MPEG-2 Part 2]], [[H.263]], and [[MPEG-4 Part 2]]. It was widely characterized as an alternative to the [[ITU-T]] and [[MPEG]] video codec standard known as [[H.264/MPEG-4 AVC]]. The Advanced Profile of VC-1 contains tools designed for coding [[Interlaced video|interlaced]] video sequences as well as [[progressive scan]] video. The main goal of the development and standardization of the VC-1 Advanced Profile was to support interlace-optimized compression of interlaced content without first converting it to progressive scan, making it more attractive to broadcast and video industry professionals using the [[1080i]] format. Both [[HD DVD]] and [[Blu-ray Disc]] adopted VC-1 as a supported video format, meaning their video playback devices are required to be capable of decoding and playing video-content compressed using VC-1. [[Windows Vista]] partially supports HD DVD playback by including the VC-1 decoder and some related components needed for playback of VC-1 encoded HD DVD movies.<ref name = "MicrosoftVC1">{{Cite web | year = 2006 | work = Windows Media | url = http://www.microsoft.com/windows/windowsmedia/howto/articles/vc1techoverview.aspx | title = VC-1 Technical Overview | publisher = Microsoft | access-date = October 5, 2006 }}</ref> Microsoft designated VC-1 as the [[Xbox 360]] [[video game console]]'s official video format, and game developers could use VC-1 for [[full motion video]] included with games. By means of an October 31, 2006 update, all formats of Windows Media Video could be played on the Xbox 360 from a disc, USB storage device, or streaming from a PC via Windows Media Connect/Windows Media Player 11. VC-1 is supported in the [[PlayStation 3]] console and the [[FFmpeg]] project also includes a VC-1 decoder.<ref name= "FFmpeg VC-1 Google 2006 SoC">{{cite web| url= http://code.google.com/soc/2006/ffmpeg/about.html | title= VC-1 | work = Summer of Code| access-date = 2007-03-21 | archive-url = https://web.archive.org/web/20070913044216/http://code.google.com/soc/2006/ffmpeg/appinfo.html?csaid=5AA777DB19E2BB24 | archive-date = 2007-09-13}}</ref> On August 24, 2012, the [[Raspberry Pi]] Foundation announced hardware decoding support for VC-1.<ref name = "Raspberry Pi VC-1 Support">{{cite web | year = 2012 | url = http://www.raspberrypi.org/archives/1839 | title = Raspberry Pi VC-1 Hardware Decoding | publisher = Raspberry Pi Foundation | access-date = August 24, 2012 | archive-date = October 4, 2013 | archive-url = https://web.archive.org/web/20131004233225/http://www.raspberrypi.org/archives/1839 | url-status = dead }}</ref>
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