[PD] help loading pix_opencv

ub ub at xdv.org
Thu Feb 28 22:26:07 CET 2019


i just saw your fork does have adaptions for opencv3, but it might still
be a deprecation issue. i can't build it with opencv 3.2.0, because it
includes the legacy module and probably the C api. but maybe it's just
the motion module has been relocated. see the second link

http://answers.opencv.org/question/42622/opencv-30-deprecated-opencv_legacy-module/

http://answers.opencv.org/question/190863/motion-detection-undefined-symbols-for-architecture-arm64/

cheers,

ub

On 28.02.19 22:15, ub wrote:
>
> hey frederico,
>
> you might be using a more modern major version of opencv than is
> referenced from the code of pix_opencv. calling functions this way
> apparently has been deprecated in opencv 3.
>
> if you have opencv2 installed somewhere (as you seem to have the
> headers because your build did succeed) you can force the use of the
> other version library with setting LD_LIBRARY_PATH=/path/to/opencv2 in
> the shell from which you start pd.
>
> hope that helps,
>
> ub
>
>
> On 28.02.19 21:30, Federico Camara Halac wrote:
>> Hi, 
>>
>> I compiled latest pix_opencv from my github fork, but I have linking
>> problems.
>>
>> I am on macos 10.14.2, mojave
>>
>> Using `lipo -info`, all of pd, Gem.pd_darwin, pix_opencv.pd_darwin
>> and libopencv_*.dylib show as: "Non-fat file ... architecture: x86_64"
>>
>> This is the error on the console:
>>
>> GEM: Graphics Environment for Multimedia
>> GEM: ver: 0.94.git v0.94_pre1
>> ...
>> error:
>> /Users/federicocamarahalac/Documents/pix_opencv/pix_opencv.pd_darwin:
>> dlopen(/Users/federicocamarahalac/Documents/pix_opencv/pix_opencv.pd_darwin,
>> 10): Symbol not found: _cvCalcGlobalOrientation
>>   Referenced from:
>> /Users/federicocamarahalac/Documents/pix_opencv/pix_opencv.pd_darwin
>>   Expected in: flat namespace
>>  in /Users/federicocamarahalac/Documents/pix_opencv/pix_opencv.pd_darwin
>> not reloading 'image' plugins (already 5 loaded)
>>  pix_opencv_contours
>> error: ... couldn't create
>>
>>
>> Any pointers would be appreciated.
>>
>> thanks,
>>
>> fede
>>
>>
>> -- 
>> http://fdch.github.io <http://fdch.github.io/tv>
>>
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