move vstab related CUDA routines to vstab module

modules/videostab/src/wobble_suppression.cpp

@@ -48,10 +48,38 @@
 #  include "opencv2/cudawarping.hpp"
 #endif
 
-#ifdef HAVE_OPENCV_CUDA
-#  include "opencv2/cuda.hpp"
-#endif
+#if !defined HAVE_CUDA || defined(CUDA_DISABLER)
 
+namespace cv { namespace cuda {
+    static void calcWobbleSuppressionMaps(int, int, int, Size, const Mat&, const Mat&, GpuMat&, GpuMat&) { throw_no_cuda(); }
+}}
+
+#else
+
+namespace cv { namespace cuda { namespace device { namespace globmotion {
+    void calcWobbleSuppressionMaps(
+            int left, int idx, int right, int width, int height,
+            const float *ml, const float *mr, PtrStepSzf mapx, PtrStepSzf mapy);
+}}}}
+
+namespace cv { namespace cuda {
+    static void calcWobbleSuppressionMaps(
+            int left, int idx, int right, Size size, const Mat &ml, const Mat &mr,
+            GpuMat &mapx, GpuMat &mapy)
+    {
+        CV_Assert(ml.size() == Size(3, 3) && ml.type() == CV_32F && ml.isContinuous());
+        CV_Assert(mr.size() == Size(3, 3) && mr.type() == CV_32F && mr.isContinuous());
+
+        mapx.create(size, CV_32F);
+        mapy.create(size, CV_32F);
+
+        cv::cuda::device::globmotion::calcWobbleSuppressionMaps(
+                    left, idx, right, size.width, size.height,
+                    ml.ptr<float>(), mr.ptr<float>(), mapx, mapy);
+    }
+}}
+
+#endif
 
 namespace cv
 {
@@ -121,8 +149,7 @@ void MoreAccurateMotionWobbleSuppressor::suppress(int idx, const Mat &frame, Mat
     remap(frame, result, mapx_, mapy_, INTER_LINEAR, BORDER_REPLICATE);
 }
 
-
-#if defined(HAVE_OPENCV_CUDA) && defined(HAVE_OPENCV_CUDAWARPING)
+#if defined(HAVE_OPENCV_CUDAWARPING)
 void MoreAccurateMotionWobbleSuppressorGpu::suppress(int idx, const cuda::GpuMat &frame, cuda::GpuMat &result)
 {
     CV_Assert(motions_ && stabilizationMotions_);