From DailyTech:

Regardless of what you may have heard, ATI's newest Radeon does not have hardware or software HD acceleration

AMD has hit another obstacle with its ATI Radeon HD 2900 XT. After constant delays, weak performance improvements and questionable benchmark tactics, AMD’s Universal Video Decoder is the source of controversy.

The ATI Radeon HD 2900 XT lacks AMD’s highly touted UVD hardware video processing engine, a feature highlighted in roadmaps. Not only that, AMD continues to tout its entire ATI Radeon HD 2000-series as having UVD, when in fact it is only the 65nm HD 2600 and HD 2400 series that possess the hardware decoding capabilities.

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