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Fix cscore build with OpenCV 4 (#1803)

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The main change in OpenCV 4 was removing its C APIs from OpenCV 1. If
the user has OpenCV 4, they have no way of obtaining the correct
arguments for cscore functions that require the C API. Therefore, we can
fix the build by just not compiling in functions reliant on the C API if
OpenCV 4 is being used.

OpenCV 3 builds should continue to work with this change.
This commit is contained in:
Tyler Veness
2019-08-03 16:10:39 -07:00
committed by Peter Johnson
parent fbe67c90c8
commit 98d0706de8
4 changed files with 10 additions and 2 deletions
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2
cscore/src/main/native/cpp/CvSinkImpl.cpp
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@@ -217,6 +217,7 @@ void CS_SetSinkDescription(CS_Sink sink, const char* description,
return cs::SetSinkDescription(sink, description, status);
}
#if CV_VERSION_MAJOR < 4
uint64_t CS_GrabSinkFrame(CS_Sink sink, struct CvMat* image,
CS_Status* status) {
auto mat = cv::cvarrToMat(image);
@@ -228,6 +229,7 @@ uint64_t CS_GrabSinkFrameTimeout(CS_Sink sink, struct CvMat* image,
auto mat = cv::cvarrToMat(image);
return cs::GrabSinkFrameTimeout(sink, mat, timeout, status);
}
#endif // CV_VERSION_MAJOR < 4
uint64_t CS_GrabSinkFrameCpp(CS_Sink sink, cv::Mat* image, CS_Status* status) {
return cs::GrabSinkFrame(sink, *image, status);