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Manual Xilinx UG4153

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  • Xilinx UG4153 - page 1

    R H.264 Motion Estimation Engine v1.0 User Guide [optional] UG453 (v1.1) Ap ril 23, 2008 [opt ional] H.264 Motion Estimation Engine v1.0 User Guide UG453 (v1.1) Ap ril 23, 2008 ...

  • Xilinx UG4153 - page 2

    H.264 Motion Estimation Engine www .xilinx.com UG453 (v1.1) April 23, 2008 Xilinx is disclosing this user guide , manual, rel ease note, an d/ or specification (the “Documen tation”) to you so lely for u se in the de velopment of designs to operate with Xilinx hardw are de vices. Y ou may not re produce, distribu te, repub lish, download, displ ...

  • Xilinx UG4153 - page 3

    UG453 (v1.1) Apr il 23, 2008 www .xilinx.com H.264 Motion Es timation Engine T able of Contents Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Schedule of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Xilinx UG4153 - page 4

    UG453 (v1.1) Apr il 23, 2008 www .xilinx.com H.264 Motion Es timation Engine Appendix: Supporting Information Input Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Directory Tree Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Xilinx UG4153 - page 5

    UG453 (v1.1) Apr il 23, 2008 www .xilinx.com H.264 Motion Es timation Engine Schedule of Figur es Chapter 1: Introduction Chapter 2: Installing the H.264 Moti on Estimation Engine Core Chapter 3: Designing with the H.264 Motion Estimation Engi ne Core Figure 3-1: H.264 Encoder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Xilinx UG4153 - page 6

    H.264 Motion Estimation Engine www .xilinx.com UG453 (v1.1) Apr il 23, 2008 ...

  • Xilinx UG4153 - page 7

    UG453 (v1.1) Apr il 23, 2008 www .xilinx.com H.264 Motion Es timation Engine Schedule of T ables Chapter 1: Introduction Chapter 2: Installing the H.264 Moti on Estimation Engine Core Chapter 3: Designing with the H.264 Motion Estimation Engi ne Core Chapter 4: Simulating the H. 264 Mo tion Estimation Engine Core Chapter 5: Verifying the System Tab ...

  • Xilinx UG4153 - page 8

    H.264 Motion Estimation Engine www .xilinx.com UG453 (v1.1) Apr il 23, 2008 ...

  • Xilinx UG4153 - page 9

    H.264 Motion Estimation Engine www .xilinx.com 9 UG453 (v1.1) Apr il 23, 2008 R Pr eface About This Guide This document is intended to guide the user through all aspects of installation, demonstration, simulation, verification, an d general usage of the Motion Estimation Engine core. It should be read in conjunction with the Xilinx Motion Estimatio ...

  • Xilinx UG4153 - page 10

    10 www .xilinx.com H.264 Motion Es timation Engine UG453 (v1.1) April 23, 2008 Pref ace: About This Guide R T ypographical The following typographical conventions are used in this document: Online Document The following conventions ar e used in this document: Con vention Meaning or Use Example Courier font Messages, prompts, and program files that ...

  • Xilinx UG4153 - page 11

    H.264 Motion Estimation Engine www .xilinx.com 11 UG453 (v1.1) Apr il 23, 2008 Con v entions R Red text Cross-r eference link to a location in another document See Figur e 2-5 in the V irtex-II Platform FPGA User Guide. Blue, underlined text Hyperlink to a website (URL) Go to http://www .xilinx.com for the latest speed files. Con vention Meaning or ...

  • Xilinx UG4153 - page 12

    12 www .xilinx.com H.264 Motion Es timation Engine UG453 (v1.1) April 23, 2008 Pref ace: About This Guide R ...

  • Xilinx UG4153 - page 13

    H.264 Motion Estimation Engine www .xilinx.com 13 UG453 (v1.1) Apr il 23, 2008 R Chapter 1 Intr oduction This user guide is required r eading for t he engineer using or consid ering using the Xi linx® Motion Estimation Engine core. The release of this pr oduct is given in ZIP file form. About the Core The Xilinx Motion Estimation Engine core accep ...

  • Xilinx UG4153 - page 14

    14 www .xilinx.com H.264 Motion Es timation Engine UG453 (v1.1) April 23, 2008 Chapter 1: Introduct ion R Feedbac k Xilinx welcomes comments and suggestions abou t the Motion Est imation Engine cor e and the accompanying documentation. For comments or suggestions about the Motion Estimation Engine core, s ubmit a W ebCase from www .xilinx.com/suppo ...

  • Xilinx UG4153 - page 15

    H.264 Motion Estimation Engine www .xilinx.com 15 UG453 (v1.1) Apr il 23, 2008 R Chapter 2 Installing the H.264 Motion Estimation Engine Cor e This chapter provides instructions for installi ng the H. 264 Motion Estimation Engine core. The Motion Estimation Engine fixed netlist is provided under th e Xilinx LogiCORE™ Site License Agreement, which ...

  • Xilinx UG4153 - page 16

    16 www .xilinx.com H.264 Motion Es timation Engine UG453 (v1.1) April 23, 2008 Chapter 2: Installing the H.264 Motion Estimation Engine Core R 4. Allow the extractor utility you use to overwrite all exi sting files and maintain the directory structur e defined in the ar chive. See “ Appendix , “Supporting Information” ” for an illustration ...

  • Xilinx UG4153 - page 17

    H.264 Motion Estimation Engine www .xilinx.com 17 UG453 (v1.1) Apr il 23, 2008 R Chapter 3 Designing with the H.264 Motion Estimation Engine Cor e This chapter describes how to include a Moti on Estimation Engine core into the next hierarchy of system ar chitecture. VHDL T emplate Files T o help the user design the cor e into his system, the releas ...

  • Xilinx UG4153 - page 18

    18 www .xilinx.com H.264 Motion Es timation Engine UG453 (v1.1) April 23, 2008 Chapter 3: Designing with the H.264 Motion Est imation Engine Core R Motion est imation requires a definit ion of a search region and a se arch scheme to find th e best match (motion vector) within a search r e gion. Ra te-Distortion th eory also take s into consideratio ...

  • Xilinx UG4153 - page 19

    H.264 Motion Estimation Engine www .xilinx.com 19 UG453 (v1.1) Apr il 23, 2008 Motion E stimation in the H.264 En coder R X-Ref Target - Figure 3-2 Figure 3-2: Motion Estimation Engine Bloc k Diagram FULL P E L Motion Estim ation Search Sliding Window Controller (112 x128 ) External Memory Controller Variable Block Size Decision External Mem ory Fr ...

  • Xilinx UG4153 - page 20

    20 www .xilinx.com H.264 Motion Es timation Engine UG453 (v1.1) April 23, 2008 Chapter 3: Designing with the H.264 Motion Est imation Engine Core R ...

  • Xilinx UG4153 - page 21

    H.264 Motion Estimation Engine www .xilinx.com 21 UG453 (v1.1) Apr il 22, 2008 R Chapter 4 Simulating the H. 264 Motion Estimation Engine Cor e This chapter describes a test bench ar chit ecture that was created in the ModelSim environment for simulation of the Motion Estimation Engine cor e. It does not describe the verification platform. The simu ...

  • Xilinx UG4153 - page 22

    22 www .xilinx.com H.264 Motion Es timation Engine UG453 (v1.1) April 22, 2008 Chapter 4: Simulating the H. 2 64 Motio n Estimation Engine Core R 4. T estbench source file: /HDL/LowCost_MotionEstimation/MotionEstimation/Testbench/ MotionEstimation_TB.vhd Running the T est Bench T o run the test bench: 1. Double-click on the vsim_gui.bat file. This ...

  • Xilinx UG4153 - page 23

    H.264 Motion Estimation Engine www .xilinx.com 23 UG453 (v1.1) Apr il 23, 2008 R Chapter 5 V erifying the System This chapter describes the verification envir o nment delivered with the Motion Estimation Engine core. Ultimately , the system is verified by using long regr ession tests with several differ ent r esolution input sequences. The outp ut ...

  • Xilinx UG4153 - page 24

    24 www .xilinx.com H.264 Motion Es timation Engine UG453 (v1.1) April 23, 2008 Chapter 5: V erifying the System R Running the V erification T ests There ar e five tests that can be run by the user . Each test has varying characteristics , including varying video forma ts, parameter settin gs, etc. A description of the tests is given in the Appendix ...

  • Xilinx UG4153 - page 25

    H.264 Motion Estimation Engine www .xilinx.com 25 UG453 (v1.1) Apr il 23, 2008 V erification Notes R The command line in the batch script invokes the following pr ocesses in this or der: 1. A DOS window is spawned. 2. A Perl script ( MotionEstimation_Verification.pl ) is called, which sets up the requir ed test(s) in order with the appr opriate par ...

  • Xilinx UG4153 - page 26

    26 www .xilinx.com H.264 Motion Es timation Engine UG453 (v1.1) April 23, 2008 Chapter 5: V erifying the System R ...

  • Xilinx UG4153 - page 27

    H.264 Motion Estimation Engine www .xilinx.com 27 UG453 (v1.1) Apr il 23, 2008 R Appendix Supporting Information Input Sequences The files provided as video input source files ar e: InputSequencescity_4cif_30city_4cif_30.hdr InputSequencescity_4cif_30city_4cif_30.yuv InputSequencesfootball_cif_30football_cif_30.hdr InputSequencesfootball ...

  • Xilinx UG4153 - page 28

    28 www .xilinx.com H.264 Motion Es timation Engine UG453 (v1.1) April 23, 2008 R References 1. ITU-T/ISO/IEC, Advanced V ideo Coding for Generic Audio V isual Services , H.264 03/2005. X-Ref Target - Figure A-1 Figure A-1: Directory T ree Struct ure ...

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