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Video Instructions
In addition to native support for 8-bit data, the word size common to many pixel processing algorithms, the Blackfin Processor architecture includes instructions specifically defined to enhance performance in video processing applications. For example, Discrete Cosine Transform (DCT) is supported with an IEEE 1180 rounding operation, while the "SUM ABSOLUTE DIFFERENCE" instruction supports motion estimation algorithms used in video compression algorithms such as MPEG2, MPEG4, and JPEG.
Implementing video compression algorithms in software allows OEMs to adapt to evolving standards and new functional requirements without hardware changes. The enhanced instructions allow Blackfin Processors to be considered in applications previously addressed primarily by ASICs, VLIW media processors or hardwired chipsets. Ultimately, Blackfin Processors will help lower overall system cost while improving the time to market for the end application.
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