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Several problems of OpenCV1.2
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Several problems of OpenCV1.2
by jiapei100
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Hi, All: OpenCV 1.2 is out. However, it 1) relies on videoInput, which seems not to be a full open source 2) ffopencv.cpp is just for Linux or MinGW... I'm wondering if there is a pure Windows Visual Studio version? 3) If FFMPEG is relied, there seems to be no point to continue using img_convert any longer. This is not a bug because it's just conditional compilation, but I'd suggest totally removing img_convert. Best Regards JIA -- Welcome to Vision Open http://www.visionopen.com ------------------------------------------------------------------------------ Come build with us! The BlackBerry® Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9-12, 2009. Register now! http://p.sf.net/sfu/devconf _______________________________________________ Opencvlibrary-devel mailing list Opencvlibrary-devel@... https://lists.sourceforge.net/lists/listinfo/opencvlibrary-devel |
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Re: Several problems of OpenCV1.2
by Vadim Pisarevsky
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Hello,
Sorry for delay with reply. Please, see below Regards, Vadim On Thu, Sep 17, 2009 at 11:27 PM, JIA Pei <jp4work@...> wrote:
videoInput is open-source library and, so far, the best tool that is available to grab video from DirectShow-compatible devices on Windows. If you know of some better alternatives, please, let us know. 2) ffopencv.cpp is just for Linux or MinGW... I'm wondering if there is a pure Windows Visual Studio version? ffopencv can be built within Visual Studio (only on 32-bit Windows for now). FFMPEG can not be compiled with Visual Studio, as far as I know, thus we have to compile it with MinGW. But OpenCV comes with precompiled ffmpeg binaries, so I do not think it is a problem (unless you are using 64-bit Windows) 3) If FFMPEG is relied, there seems to be no point to continue using img_convert any longer. This is not a bug because it's just conditional compilation, but I'd suggest totally removing img_convert. I would argue with that. This additional support for older ffmpeg versions does not do any harm. I would retain it. Besides, if you look here, for example: http://archives.free.net.ph/message/20090807.105829.ddb67ca3.fr.html you will see that libswscale may impose some issues in terms of licensing. So some people may prefer to use an older version of ffmpeg with img_convert embedded. Best Regards ------------------------------------------------------------------------------ Come build with us! The BlackBerry® Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9-12, 2009. Register now! http://p.sf.net/sfu/devconf _______________________________________________ Opencvlibrary-devel mailing list Opencvlibrary-devel@... https://lists.sourceforge.net/lists/listinfo/opencvlibrary-devel |
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