基于Delphi的视频捕捉系统设计

TVideoGrabber VCL component for Delphi and C++Builder ----------------------------------------------------- version : 6.7 build : 6.7.7 date : February 12, 2004 status : Commercial Demo restriction : This demo package can be freely distributed limitations : nag-screens system req. : Windows 95/98/ME/2000/XP, DirectX9, Delphi 4/5/6/7 or C++Builder 4/5/6 home page : http://www.datastead.com alt. home page : http://www.delphicity.com contact : contact@datastead.com support : support@datastead.com order : visit http://www.datastead.com/ PACKAGE INSTALL =============== - Exit Delphi or C++Builder, - unzip the package archive to a folder of your choice (e.g. c:\vidgrab). Be sure to unzip the full directory structure (using WinZip check "use folders names" ). - according to your version of Delphi/C++Builder, copy all the Delphi\*.* or CBuilder\*.* archive files to your ...\Borland\Delphi?\Imports or ...\Borland\CBuilder?\Imports directory, - run Delphi or C++Builder, - select Component | Install packages, - press the "Add" button, - locate the TVidGrab.bpl file in the \Borland\...\Imports directory and select it, - Select Open - Click "Ok" - Check the "Datastead" tab in the right of the component palette. The TVideoGrabber object should have been added. CONTEXT SENSITIVE HELP INSTALL ============================== - copy the VidGrab.hlp and VidGrab.cnt archives files to your \Borland\Delphi\Imports or \Borland\CBuilder\Imports directory, - run Delphi or C++ Builder, - click "Help", "Customize", - select the "Index" tab, - click "Edit", "Add files"..., - if necessary, select the "Help Files (*.hlp) file type, - locate the VidGrab.hlp file in the \Borland\...\Imports directory and select it, - select the "Link" tab, - click "Edit", "Add files"..., - locate the VidGrab.hlp file in the \Borland\...\Imports directory and select it, - click "File", "Save Project", - exit OpenHelp. INSTALL TROUBLESHOOTING ======================= "TVidGrab.??? file not found" error when compiling or linking a TVideoGrabber project: - go to Tools | Environment Options | Library, and check that there is ;$(DELPHI)\Imports (Delphi) or ;$(BCB)\Imports (C++Builder) in the Library path, otherwise add it at the end of the edit field. - go to Project | Options | Packages, check "Build with runtime package", go to the end of the packages edit field, remove ";TVidGrab", and then uncheck "Build with runtime package". ZIPPED PACKAGE: -------------- When unzipping the package, the unzip tool must re-create the package's subdirectories. Using WinZip, be sure to enable "use folder names", otherwise files with same name will overwrite themselves. DELPHI 6 TRIAL: -------------- The trial version of Delphi 6 comes with a different DCU format than the real one. You can't use TVideoGrabber or other third party components in the trial, otherwise you will get the following error when trying to build the project: Access violation at address nnnnnn in module dcc60.dll read of address nnnnn.