ZR36060 Reference Design (H33) User's Guide Preliminary For
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1. ALIN FLIT OO WLY ELL ZR36060 Reference Design H33 User s Guide Preliminary For Driver Version 08 09 May 1997 Zoran Corporation 3112 Scott Blvd Santa Clara CA 95054 Phone 408 919 4111 Fax 408 919 4122 ZR736342 UM 0 11 1 Scope This document is intended to assist the user in installing the H33 board and using it 1 1 Introduction The H33 reference design is a high quality full screen MOTION JPEG capture playback board The target application for this design is cost effective high resolution video editing The board features e PCI bus design e Real time full screen video capture and playback e Fast STILL compression and expansion 2 Installation Guide This section covers the installation and operation of the H33 and its Video for Windows VFW drivers Please read all sections before you start 2 1 System Requirements Hardware e Pentium 90 MHz or higher e 8 Mbyte RAM or more preferably more e PCI motherboard e Graphics adapter which supports LINEAR ADDRESSING and at least 16 bit color depth Software e Microsoft Windows 95 e Video for Windows 1 1 Runtime components 2 2 Hardware Installation e Insert the board in a PCI slot e Video devices can be connected as follows S video input SVHS connector to CON2 Composite video input RCA connector to J2 S video output SVHS connector to CON1 Composite video output RCA connector to J1 NOTE a The input and output must be the same type2. both S video or both composite b Ifan output device eg TV monitor is not connected the supplied TERMINATOR must be connected to CON2 2 3 Software Installation The H33 comes with a driver installation set for Windows 95 After installing the Hardware reboot the computer and when prompted to install the new hardware s drivers choose Have Disk and point to the location of the H33 drivers eg Floppy drive Reboot If the computer had a Zoran JPEG board installed on it in the past it may not recognize the H33 as NEW hardware In this case use the path CONTROL PANEL gt SYSTEM gt DEVICE MANGER gt SOUND VIDEO AND GAME CONTROLLERS to view the old device settings Choose the DRIVER gt CHANGE DRIVER path and again select Have Disk Answer YES whenever asked if an existing component should be replaced 3 Operating the H33 VFW Drivers When the H33 with its drivers and the VFW 1 1 runtime components are installed to use it with supported VFW applications follow the instructions for the application 3 1 Using Vidcap to capture a Motion JPEG sequence e Run Vidcap or preferably for better performance Vidcap32 e Under Options gt Video Source select the input video type Composite S Video and standard PAL NTSC Set the input Brightness Contrast Saturation and Hue Use the DEFAULT button to set default values e Under Options click Overlay to display the digitized input video or Preview to disp
3. lay it decompressed as a DIB e Under Capture gt Video gt Video set the capture format JPEG or RGB the image size and using COMPRESS the MJPG code volume Note The current user interface allows the user to select the EFFECTIVE SIZE of the input video and the Vertical and Horizontal decimation done before compression e Under Capture gt Video click OK to begin capturing the first time this is done you ll be prompted for a capture file name It is recommended to preallocate and defragment an AVI file e To stop the capture click the mouse in the video window or press ESC 3 2 Using Media Player to play back the Motion JPEG AVI file e Run Media Player e Under Device select Video for Windows and browse for an MJPG AVI file e Click the PLAY button to play the clip 3 3 Operating Tips The following tips are offered as an aid to getting the best functionality of the H33 board and drivers 3 3 1 Overlay Problems In Vidcap when actual capturing is going on the PCI bus is used both for Video and JPEG Code transfers Sometimes the overlay display NOT the TV monitor may get corrupted or it may freeze This is the result of the PCI bus being overloaded by the transfers To minimize the bandwidth reguirements for the Video transfers try to set the computer s display to 16 bit color rather than 24 or 32 bit thus transferring only 2 bytes per pixel instead of 3 or 4 For most cases this will give smooth
4. overlay In Media Player when playing a clip the same corruption may happen Resize the window to a smaller size until the display is smooth 4 Technical Support The first version of the H33 is a preliminary engineering version If you encounter any difficulty call Zoran technical support In USA 408 919 4111 In Europe 972 4 854 5777 Updates of this manual and the drivers will be available from Zoran s FTP site ftp zoran com also accessible via the Technical Support page of Zoran s World Wide Web site www zoran com Release Notes for Driver Version 08 09 1 X Y dimensions are not correctly stored for each video standard NTSC PAL CCIR SQP At present you need to change the standard in the dialog box and then enter manually to the video format dialog to update the correct resolution size 2 Playback image may be shifted a little up and right compared with the position when it was captured 3 With certain VCRs or video tapes the driver may get stuck with 0 frames captured If this happens use less than maximum vertical size to avoid this situation e g instead of 576 lines enter 544 lines 4 Normal reverse field order should have the opposite polarity 5 The driver has not been completely tested under all options of Ulead and Adobe video editing applications Some options or features may not work correctly Driver updates will be made available on Zoran s FTP site ftp zoran com under
5. refdesigns h33 drivers The FTP site is also linked to Zoran s web site www zoran com and is accessible from the Technical Support page
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