Get rid of cvconfig.h in Latent SVM samples. Use common OpenCV parallel…

Get rid of cvconfig.h in Latent SVM samples. Use common OpenCV parallel framework instead of direct TBB calls.

samples/c/CMakeLists.txt

@@ -51,7 +51,7 @@ if(BUILD_EXAMPLES AND OCV_DEPENDENCIES_FOUND)
   endforeach()
 endif()
 
-if (INSTALL_C_EXAMPLES AND NOT WIN32)
+if (OCV_DEPENDENCIES_FOUND AND INSTALL_C_EXAMPLES AND NOT WIN32)
   file(GLOB C_SAMPLES *.c *.cpp *.jpg *.png *.data makefile.* build_all.sh *.dsp *.cmd )
   install(FILES ${C_SAMPLES}
           DESTINATION ${OPENCV_SAMPLES_SRC_INSTALL_PATH}/c

samples/c/latentsvmdetect.cpp

@@ -2,13 +2,6 @@
 #include "opencv2/highgui/highgui.hpp"
 #include <stdio.h>
 
-#ifdef HAVE_CVCONFIG_H
-#include <cvconfig.h>
-#endif
-#ifdef HAVE_TBB
-#include "tbb/task_scheduler_init.h"
-#endif
-
 using namespace cv;
 
 static void help()
@@ -31,28 +24,13 @@ static void detect_and_draw_objects( IplImage* image, CvLatentSvmDetector* detec
     CvSeq* detections = 0;
     int i = 0;
     int64 start = 0, finish = 0;
-#ifdef HAVE_TBB
-    tbb::task_scheduler_init init(tbb::task_scheduler_init::deferred);
-    if (numThreads > 0)
-    {
-        init.initialize(numThreads);
-        printf("Number of threads %i\n", numThreads);
-    }
-    else
-    {
-        printf("Number of threads is not correct for TBB version");
-        return;
-    }
-#endif
+    cv::setNumThreads(numThreads);
 
     start = cvGetTickCount();
     detections = cvLatentSvmDetectObjects(image, detector, storage, 0.5f, numThreads);
     finish = cvGetTickCount();
     printf("detection time = %.3f\n", (float)(finish - start) / (float)(cvGetTickFrequency() * 1000000.0));
 
-#ifdef HAVE_TBB
-    init.terminate();
-#endif
     for( i = 0; i < detections->total; i++ )
     {
         CvObjectDetection detection = *(CvObjectDetection*)cvGetSeqElem( detections, i );

samples/cpp/CMakeLists.txt

@@ -90,7 +90,7 @@ if(BUILD_EXAMPLES AND OCV_DEPENDENCIES_FOUND)
   endforeach()
 endif()
 
-if (INSTALL_C_EXAMPLES AND NOT WIN32)
+if (OCV_DEPENDENCIES_FOUND AND INSTALL_C_EXAMPLES AND NOT WIN32)
   file(GLOB C_SAMPLES *.c *.cpp *.jpg *.png *.data makefile.* build_all.sh *.dsp *.cmd )
   install(FILES ${C_SAMPLES}
           DESTINATION ${OPENCV_SAMPLES_SRC_INSTALL_PATH}/cpp

samples/cpp/latentsvm_multidetect.cpp

@@ -9,14 +9,6 @@
 #include <dirent.h>
 #endif
 
-#ifdef HAVE_CVCONFIG_H
-#include <cvconfig.h>
-#endif
-
-#ifdef HAVE_TBB
-#include "tbb/task_scheduler_init.h"
-#endif
-
 using namespace std;
 using namespace cv;
 

samples/gpu/CMakeLists.txt

@@ -80,7 +80,7 @@ if(BUILD_EXAMPLES AND OCV_DEPENDENCIES_FOUND)
   include("performance/CMakeLists.txt")
 endif()
 
-if (INSTALL_C_EXAMPLES AND NOT WIN32)
+if (OCV_DEPENDENCIES_FOUND AND INSTALL_C_EXAMPLES AND NOT WIN32)
   file(GLOB install_list *.c *.cpp *.jpg *.png *.data makefile.* build_all.sh *.dsp *.cmd )
   install(FILES ${install_list}
           DESTINATION ${OPENCV_SAMPLES_SRC_INSTALL_PATH}/gpu

samples/ocl/CMakeLists.txt

@@ -51,7 +51,7 @@ if(BUILD_EXAMPLES AND OCV_DEPENDENCIES_FOUND)
   endforeach()
 endif()
 
-if (INSTALL_C_EXAMPLES AND NOT WIN32)
+if (OCV_DEPENDENCIES_FOUND AND INSTALL_C_EXAMPLES AND NOT WIN32)
   file(GLOB install_list *.c *.cpp *.jpg *.png *.data makefile.* build_all.sh *.dsp *.cmd )
   install(FILES ${install_list}
           DESTINATION ${OPENCV_SAMPLES_SRC_INSTALL_PATH}/ocl