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H.264 Motion Estimation Engine www.xilinx.com 13
UG453 (v1.1) April 23, 2008
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Chapter 1
Introduction
This user guide is required reading for the engineer using or considering using the Xilinx®
Motion Estimation Engine core. The release of this product is given in ZIP file form.
About the Core
The Xilinx Motion Estimation Engine core accepts input parameters on a frame and
macroblock basis and a stream of pixels in macroblock format and generates output
motion vectors, Sum-of-Absolute Difference (SAD) values, and coded block pattern with
best motion vector for each block.
Recommended Design Experience
Although the Motion Estimation Engine core is a fully-verified solution, the challenge
associated with implementing a complete design varies depending on the configuration
and functionality of the application. For best results, previous experience building high-
performance pipelined FPGA designs using Xilinx implementation software and user
constraints files (UCF) is recommended.
Contact your local Xilinx representative for a closer review and estimation for your specific
site requirements.
Additional Core Resources
For detailed information and updates about the Motion Estimation Engine core, see the
documents located on the Motion Estimation Engine
product page. In general, this
document should always be used in conjunction with the following:
• The Xilinx Motion Estimation Engine Product Specification (DS648)
• The MPEG4 Part 10 specification ([Ref 1])
• JM10.2 H.264 Codec Reference C Code
Technical Support
For technical support, go to www.xilinx.com/support. Questions are routed to a team of
engineers with expertise using the Motion Estimation Engine core.
Xilinx provides technical support for use of this product as described in this guide.
Xilinx cannot guarantee timing, functionality, or support of this product for designs that do
not follow these guidelines.