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View Code? Open in Web Editor NEWA set of OFX plugins (for Nuke, Sony Vegas, Scratch, etc.) which perform image processing using OpenCV
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How to import and use opencv c++ library in my Natron plugin?
Hi there.
I am a beginner in OpenFX and plugin building in general.
I am building an OpenFX natron plugin and want to use OpenCV c++ functions inside my natron plugin.
Is this possible?
If yes can you guide me on how to do it?
Thank you.
Problems building on 64 bit Intel OS X
Notice OpenCV -is- installed (via homebrew)
$make
/Applications/Xcode.app/Contents/Developer/usr/bin/make -C OpenCV
Package opencv was not found in the pkg-config search path.
Perhaps you should add the directory containing `opencv.pc'
to the PKG_CONFIG_PATH environment variable
No package 'opencv' found
c++ -c -g -I../openfx/Support/../include -I../openfx/Support/include -I../openfx/Support/Plugins/include -fvisibility=hidden -DOFX_EXTENSIONS_VEGAS -DOFX_EXTENSIONS_NUKE -I../OpenCV -I../SupportExt -I. -I../VectorGenerator ../VectorGenerator/VectorGenerator.cpp -o Darwin-64-debug/VectorGenerator.o
In file included from ../VectorGenerator/VectorGenerator.cpp:75:
../OpenCV/GenericOpenCVPlugin.h:41:10: fatal error: 'ofxsMacros.h' file not
found
include "ofxsMacros.h"
^
1 error generated.
make[1]: *** [Darwin-64-debug/VectorGenerator.o] Error 1
make: *** [OpenCV] Error 2
make on OSX 10.10.5
Getting this error, any suggestions?
Undefined symbols for architecture x86_64:
"OFX::Color::LutManager::m_instance", referenced from:
OFX::Color::LutBase const* OFX::Color::LutManager::getLut<OFX::MultiThread::Mutex>(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, float (*)(float), float (*)(float)) in GenericOpenCVPlugin.o
"OFX::Color::LutBase::index_to_float(unsigned short)", referenced from:
OFX::Color::Lut<OFX::MultiThread::Mutex>::validate() const in GenericOpenCVPlugin.o
"OFX::Color::LutBase::hipart(float)", referenced from:
OFX::Color::Lut<OFX::MultiThread::Mutex>::validate() const in GenericOpenCVPlugin.o
OFX::Color::Lut<OFX::MultiThread::Mutex>::toColorSpaceUint8FromLinearFloatFast(float) const in GenericOpenCVPlugin.o
OFX::Color::Lut<OFX::MultiThread::Mutex>::toColorSpaceUint8xxFromLinearFloatFast(float) const in GenericOpenCVPlugin.o
OFX::Color::Lut<OFX::MultiThread::Mutex>::toColorSpaceUint16FromLinearFloatFast(float) const in GenericOpenCVPlugin.o
OFX::Color::Lut<OFX::MultiThread::Mutex>::to_byte_packed_dither(void const*, OfxRectI const&, OFX::PixelComponentEnum, int, OFX::BitDepthEnum, int, OfxRectI const&, void*, OfxRectI const&, OFX::PixelComponentEnum, int, OFX::BitDepthEnum, int) const in GenericOpenCVPlugin.o
OFX::Color::Lut<OFX::MultiThread::Mutex>::to_byte_packed_nodither(void const*, OfxRectI const&, OFX::PixelComponentEnum, int, OFX::BitDepthEnum, int, OfxRectI const&, void*, OfxRectI const&, OFX::PixelComponentEnum, int, OFX::BitDepthEnum, int) const in GenericOpenCVPlugin.o
OFX::Color::Lut<OFX::MultiThread::Mutex>::to_byte_grayscale_nodither(void const*, OfxRectI const&, OFX::PixelComponentEnum, int, OFX::BitDepthEnum, int, OfxRectI const&, void*, OfxRectI const&, OFX::PixelComponentEnum, int, OFX::BitDepthEnum, int) const in GenericOpenCVPlugin.o
...
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[1]: *** [Darwin-64-release/Misc.ofx] Error 1
make: *** [OpenCV] Error 2
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