Support Python binding for CUDA functionalities

modules/core/misc/python/pyopencv_core.hpp

@@ -0,0 +1,54 @@
+#ifdef HAVE_OPENCV_CORE
+
+#include "opencv2/core/cuda.hpp"
+
+typedef std::vector<cuda::GpuMat> vector_GpuMat;
+typedef cuda::GpuMat::Allocator GpuMat_Allocator;
+
+template<> bool pyopencv_to(PyObject* o, Ptr<cuda::GpuMat>& m, const char* name);
+template<> PyObject* pyopencv_from(const Ptr<cuda::GpuMat>& m);
+
+template<>
+bool pyopencv_to(PyObject* o, cuda::GpuMat& m, const char* name)
+{
+    if (!o || o == Py_None)
+        return true;
+    Ptr<cuda::GpuMat> mPtr(new cuda::GpuMat());
+
+    if (!pyopencv_to(o, mPtr, name)) return false;
+    m = *mPtr;
+    return true;
+}
+
+template<>
+PyObject* pyopencv_from(const cuda::GpuMat& m)
+{
+    Ptr<cuda::GpuMat> mPtr(new cuda::GpuMat());
+
+    *mPtr = m;
+    return pyopencv_from(mPtr);
+}
+
+template<>
+bool pyopencv_to(PyObject *o, cuda::GpuMat::Allocator* &allocator, const char *name)
+{
+    (void)name;
+    if (!o || o == Py_None)
+        return true;
+
+    failmsg("Python binding for cv::cuda::GpuMat::Allocator is not implemented yet.");
+    return false;
+}
+
+template<>
+bool pyopencv_to(PyObject *o, cuda::Stream &stream, const char *name)
+{
+    (void)name;
+    if (!o || o == Py_None)
+        return true;
+
+    failmsg("Python binding for cv::cuda::Stream is not implemented yet.");
+    return false;
+}
+
+#endif