Netflix and TiVo announced Thursday the roll out of a streaming video service for subscribers. Set for availability in early December, the service appears to be the culmination of a deal the two companies originally announced in 2004. The TiVo-Netflix venture is the latest in a series of similar partnerships Netflix has announced this year. Thus far, the movie rental company has signed on to provide streaming video content via set-top boxes built by Roku, Blu-ray players from LG and Samsung, and Microsoft’s Xbox 360 gaming console.