made module dependency optional

modules/gpubgsegm/CMakeLists.txt

@@ -6,4 +6,4 @@ set(the_description "GPU-accelerated Background Segmentation")
 
 ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4127 /wd4324 /wd4512 -Wundef -Wmissing-declarations)
 
-ocv_define_module(gpubgsegm opencv_video opencv_imgproc opencv_legacy opencv_gpuarithm opencv_gpufilters opencv_gpuimgproc)
+ocv_define_module(gpubgsegm opencv_video OPTIONAL opencv_legacy opencv_imgproc opencv_gpuarithm opencv_gpufilters opencv_gpuimgproc)

modules/gpubgsegm/perf/perf_bgsegm.cpp

@@ -41,8 +41,14 @@
 //M*/
 
 #include "perf_precomp.hpp"
-#include "opencv2/legacy.hpp"
-#include "opencv2/gpuimgproc.hpp"
+
+#ifdef HAVE_OPENCV_LEGACY
+#  include "opencv2/legacy.hpp"
+#endif
+
+#ifdef HAVE_OPENCV_GPUIMGPROC
+#  include "opencv2/gpuimgproc.hpp"
+#endif
 
 using namespace std;
 using namespace testing;
@@ -60,6 +66,13 @@ using namespace perf;
 #  define BUILD_WITH_VIDEO_INPUT_SUPPORT 0
 #endif
 
+//////////////////////////////////////////////////////
+// FGDStatModel
+
+#if BUILD_WITH_VIDEO_INPUT_SUPPORT
+
+#ifdef HAVE_OPENCV_LEGACY
+
 namespace cv
 {
     template<> void Ptr<CvBGStatModel>::delete_obj()
@@ -68,10 +81,7 @@ namespace cv
     }
 }
 
-//////////////////////////////////////////////////////
-// FGDStatModel
-
-#if BUILD_WITH_VIDEO_INPUT_SUPPORT
+#endif
 
 DEF_PARAM_TEST_1(Video, string);
 
@@ -91,7 +101,7 @@ PERF_TEST_P(Video, FGDStatModel,
 
     if (PERF_RUN_GPU())
     {
-        cv::gpu::GpuMat d_frame(frame), foreground, background3, background;
+        cv::gpu::GpuMat d_frame(frame), foreground;
 
         cv::Ptr<cv::gpu::BackgroundSubtractorFGD> d_fgd = cv::gpu::createBackgroundSubtractorFGD();
         d_fgd->apply(d_frame, foreground);
@@ -108,14 +118,18 @@ PERF_TEST_P(Video, FGDStatModel,
             stopTimer();
         }
 
+        GPU_SANITY_CHECK(foreground, 1e-2, ERROR_RELATIVE);
+
+#ifdef HAVE_OPENCV_GPUIMGPROC
+        cv::gpu::GpuMat background3, background;
         d_fgd->getBackgroundImage(background3);
         cv::gpu::cvtColor(background3, background, cv::COLOR_BGR2BGRA);
-
         GPU_SANITY_CHECK(background, 1e-2, ERROR_RELATIVE);
-        GPU_SANITY_CHECK(foreground, 1e-2, ERROR_RELATIVE);
+#endif
     }
     else
     {
+#ifdef HAVE_OPENCV_LEGACY
         IplImage ipl_frame = frame;
         cv::Ptr<CvBGStatModel> model(cvCreateFGDStatModel(&ipl_frame));
 
@@ -136,6 +150,9 @@ PERF_TEST_P(Video, FGDStatModel,
 
         CPU_SANITY_CHECK(background);
         CPU_SANITY_CHECK(foreground);
+#else
+        FAIL_NO_CPU();
+#endif
     }
 }
 

modules/gpubgsegm/perf/perf_precomp.hpp

@@ -57,6 +57,8 @@
 #include "opencv2/gpubgsegm.hpp"
 #include "opencv2/video.hpp"
 
+#include "opencv2/opencv_modules.hpp"
+
 #ifdef GTEST_CREATE_SHARED_LIBRARY
 #error no modules except ts should have GTEST_CREATE_SHARED_LIBRARY defined
 #endif

modules/gpubgsegm/src/fgd.cpp

@@ -45,7 +45,7 @@
 using namespace cv;
 using namespace cv::gpu;
 
-#if !defined HAVE_CUDA || defined(CUDA_DISABLER)
+#if !defined(HAVE_CUDA) || defined(CUDA_DISABLER) || !defined(HAVE_OPENCV_IMGPROC) || !defined(HAVE_OPENCV_GPUARITHM) || !defined(HAVE_OPENCV_GPUIMGPROC)
 
 cv::gpu::FGDParams::FGDParams() { throw_no_cuda(); }
 
@@ -309,6 +309,8 @@ namespace
 /////////////////////////////////////////////////////////////////////////
 // smoothForeground
 
+#ifdef HAVE_OPENCV_GPUFILTERS
+
 namespace
 {
     void morphology(const GpuMat& src, GpuMat& dst, GpuMat& filterBrd, int brd, Ptr<gpu::Filter>& filter, Scalar brdVal)
@@ -336,6 +338,8 @@ namespace
     }
 }
 
+#endif
+
 /////////////////////////////////////////////////////////////////////////
 // findForegroundRegions
 
@@ -606,8 +610,10 @@ namespace
         GpuMat buf_;
         GpuMat filterBrd_;
 
+#ifdef HAVE_OPENCV_GPUFILTERS
         Ptr<gpu::Filter> dilateFilter_;
         Ptr<gpu::Filter> erodeFilter_;
+#endif
 
         CvMemStorage* storage_;
     };
@@ -645,8 +651,10 @@ namespace
 
         int FG_pixels_count = bgfgClassification(prevFrame_, curFrame, Ftd_, Fbd_, foreground_, countBuf_, params_, 4);
 
+#ifdef HAVE_OPENCV_GPUFILTERS
         if (params_.perform_morphing > 0)
             smoothForeground(foreground_, filterBrd_, buf_, erodeFilter_, dilateFilter_, params_);
+#endif
 
         if (params_.minArea > 0 || params_.is_obj_without_holes)
             findForegroundRegions(foreground_, h_foreground_, foreground_regions_, storage_, params_);
@@ -702,6 +710,7 @@ namespace
         stat_.create(firstFrame.size(), params_);
         fgd::setBGPixelStat(stat_);
 
+#ifdef HAVE_OPENCV_GPUFILTERS
         if (params_.perform_morphing > 0)
         {
             Mat kernel = getStructuringElement(MORPH_RECT, Size(1 + params_.perform_morphing * 2, 1 + params_.perform_morphing * 2));
@@ -710,6 +719,7 @@ namespace
             dilateFilter_ = gpu::createMorphologyFilter(MORPH_DILATE, CV_8UC1, kernel, anchor);
             erodeFilter_ = gpu::createMorphologyFilter(MORPH_ERODE, CV_8UC1, kernel, anchor);
         }
+#endif
     }
 }
 

modules/gpubgsegm/src/gmg.cpp

@@ -45,7 +45,7 @@
 using namespace cv;
 using namespace cv::gpu;
 
-#if !defined HAVE_CUDA || defined(CUDA_DISABLER) || !defined(HAVE_OPENCV_GPUFILTERS)
+#if !defined HAVE_CUDA || defined(CUDA_DISABLER)
 
 Ptr<gpu::BackgroundSubtractorGMG> cv::gpu::createBackgroundSubtractorGMG(int, double) { throw_no_cuda(); return Ptr<gpu::BackgroundSubtractorGMG>(); }
 
@@ -141,8 +141,10 @@ namespace
         GpuMat colors_;
         GpuMat weights_;
 
+#if defined(HAVE_OPENCV_GPUFILTERS) && defined(HAVE_OPENCV_GPUARITHM)
         Ptr<gpu::Filter> boxFilter_;
         GpuMat buf_;
+#endif
     };
 
     GMGImpl::GMGImpl(int initializationFrames, double decisionThreshold)
@@ -212,6 +214,7 @@ namespace
         funcs[frame.depth()][frame.channels() - 1](frame, fgmask, colors_, weights_, nfeatures_, frameNum_,
                                                    learningRate_, updateBackgroundModel_, StreamAccessor::getStream(stream));
 
+#if defined(HAVE_OPENCV_GPUFILTERS) && defined(HAVE_OPENCV_GPUARITHM)
         // medianBlur
         if (smoothingRadius_ > 0)
         {
@@ -220,6 +223,7 @@ namespace
             const double thresh = 255.0 * minCount / (smoothingRadius_ * smoothingRadius_);
             gpu::threshold(buf_, fgmask, thresh, 255.0, THRESH_BINARY, stream);
         }
+#endif
 
         // keep track of how many frames we have processed
         ++frameNum_;
@@ -255,8 +259,10 @@ namespace
 
         nfeatures_.setTo(Scalar::all(0));
 
+#if defined(HAVE_OPENCV_GPUFILTERS) && defined(HAVE_OPENCV_GPUARITHM)
         if (smoothingRadius_ > 0)
             boxFilter_ = gpu::createBoxFilter(CV_8UC1, -1, Size(smoothingRadius_, smoothingRadius_));
+#endif
 
         loadConstants(frameSize_.width, frameSize_.height, minVal_, maxVal_,
                       quantizationLevels_, backgroundPrior_, decisionThreshold_, maxFeatures_, numInitializationFrames_);

modules/gpubgsegm/src/precomp.hpp

@@ -46,12 +46,21 @@
 #include <limits>
 
 #include "opencv2/gpubgsegm.hpp"
-#include "opencv2/gpuarithm.hpp"
-#include "opencv2/gpufilters.hpp"
-#include "opencv2/gpuimgproc.hpp"
 
 #include "opencv2/core/private.gpu.hpp"
 
 #include "opencv2/opencv_modules.hpp"
 
+#ifdef HAVE_OPENCV_GPUARITHM
+#  include "opencv2/gpuarithm.hpp"
+#endif
+
+#ifdef HAVE_OPENCV_GPUFILTERS
+#  include "opencv2/gpufilters.hpp"
+#endif
+
+#ifdef HAVE_OPENCV_GPUIMGPROC
+#  include "opencv2/gpuimgproc.hpp"
+#endif
+
 #endif /* __OPENCV_PRECOMP_H__ */

modules/gpubgsegm/test/test_bgsegm.cpp

@@ -41,7 +41,10 @@
 //M*/
 
 #include "test_precomp.hpp"
-#include "opencv2/legacy.hpp"
+
+#ifdef HAVE_OPENCV_LEGACY
+#  include "opencv2/legacy.hpp"
+#endif
 
 #ifdef HAVE_CUDA
 
@@ -62,7 +65,7 @@ using namespace cvtest;
 //////////////////////////////////////////////////////
 // FGDStatModel
 
-#if BUILD_WITH_VIDEO_INPUT_SUPPORT
+#if BUILD_WITH_VIDEO_INPUT_SUPPORT && defined(HAVE_OPENCV_LEGACY)
 
 namespace cv
 {

modules/gpubgsegm/test/test_precomp.hpp

@@ -59,4 +59,6 @@
 #include "opencv2/gpubgsegm.hpp"
 #include "opencv2/video.hpp"
 
+#include "opencv2/opencv_modules.hpp"
+
 #endif