Merge commit '43aec5ad^' into merge-2.4

Conflicts:
	modules/contrib/src/inputoutput.cpp
	modules/gpu/perf/perf_imgproc.cpp
	modules/gpuarithm/perf/perf_element_operations.cpp
	modules/gpuarithm/src/element_operations.cpp
	modules/ts/src/precomp.hpp

cmake/OpenCVFindIPP.cmake

@@ -136,17 +136,20 @@ endfunction()
 
 # ------------------------------------------------------------------------
 # This is auxiliary function called from set_ipp_variables()
-# to set IPP_LIBRARIES variable in IPP 7.x style
+# to set IPP_LIBRARIES variable in IPP 7.x and 8.x style
 # ------------------------------------------------------------------------
 function(set_ipp_new_libraries _LATEST_VERSION)
     set(IPP_PREFIX "ipp")
     
     if(${_LATEST_VERSION} VERSION_LESS "8.0")
-        set(IPP_SUFFIX "_l")       # static not threaded libs suffix
+        set(IPP_SUFFIX "_l")        # static not threaded libs suffix IPP 7.x
     else()
-        set(IPP_SUFFIX "")       # static not threaded libs suffix
+        if(WIN32)
+            set(IPP_SUFFIX "mt")    # static not threaded libs suffix IPP 8.x for Windows
+        else()
+            set(IPP_SUFFIX "")      # static not threaded libs suffix IPP 8.x for Linux/OS X
+        endif()
     endif()
-    set(IPP_THRD   "_t")       # static threaded libs suffix
     set(IPPCORE    "core")     # core functionality
     set(IPPSP      "s")        # signal processing
     set(IPPIP      "i")        # image processing
@@ -218,7 +221,7 @@ function(set_ipp_variables _LATEST_VERSION)
             set(IPP_LIBRARY_DIRS ${IPP_ROOT_DIR}/lib/ia32 PARENT_SCOPE)
         endif()
 
-        # set IPP_LIBRARIES variable (7.x lib names)
+        # set IPP_LIBRARIES variable (7.x or 8.x lib names)
         set_ipp_new_libraries(${_LATEST_VERSION})
         set(IPP_LIBRARIES ${IPP_LIBRARIES} PARENT_SCOPE)
         message(STATUS "IPP libs: ${IPP_LIBRARIES}")

modules/contrib/src/inputoutput.cpp

@@ -24,10 +24,9 @@ namespace cv
         HANDLE hFind;
 
         #ifdef HAVE_WINRT
-            size_t size = mbstowcs(NULL, path_f.c_str(), path_f.size());
-            Ptr<wchar_t> wpath = new wchar_t[size+1];
-            wpath[size] = 0;
-            mbstowcs(wpath, path_f.c_str(), path_f.size());
+            wchar_t wpath[MAX_PATH];
+            size_t copied = mbstowcs(wpath, path_f.c_str(), MAX_PATH);
+            CV_Assert((copied != MAX_PATH) && (copied != (size_t)-1));
             hFind = FindFirstFileExW(wpath, FindExInfoStandard, &FindFileData, FindExSearchNameMatch, NULL, 0);
         #else
             hFind = FindFirstFileA((LPCSTR)path_f.c_str(), &FindFileData);
@@ -46,12 +45,12 @@ namespace cv
                         FindFileData.dwFileAttributes == FILE_ATTRIBUTE_SYSTEM  ||
                         FindFileData.dwFileAttributes == FILE_ATTRIBUTE_READONLY)
                     {
-                        cv::Ptr<char> fname;
+                        char* fname;
                     #ifdef HAVE_WINRT
-                        size_t asize = wcstombs(NULL, FindFileData.cFileName, 0);
-                        fname = new char[asize+1];
-                        fname[asize] = 0;
-                        wcstombs(fname, FindFileData.cFileName, asize);
+                        char fname_tmp[MAX_PATH] = {0};
+                        size_t copied = wcstombs(fname_tmp, FindFileData.cFileName, MAX_PATH);
+                        CV_Assert((copied != MAX_PATH) && (copied != (size_t)-1));
+                        fname = fname_tmp;
                     #else
                         fname = FindFileData.cFileName;
                     #endif
@@ -108,10 +107,10 @@ namespace cv
             HANDLE hFind;
 
         #ifdef HAVE_WINRT
-            size_t size = mbstowcs(NULL, path_f.c_str(), path_f.size());
-            Ptr<wchar_t> wpath = new wchar_t[size+1];
-            wpath[size] = 0;
-            mbstowcs(wpath, path_f.c_str(), path_f.size());
+            wchar_t wpath [MAX_PATH];
+            size_t copied = mbstowcs(wpath, path_f.c_str(), path_f.size());
+            CV_Assert((copied != MAX_PATH) && (copied != (size_t)-1));
+
             hFind = FindFirstFileExW(wpath, FindExInfoStandard, &FindFileData, FindExSearchNameMatch, NULL, 0);
         #else
             hFind = FindFirstFileA((LPCSTR)path_f.c_str(), &FindFileData);
@@ -134,12 +133,12 @@ namespace cv
                         strcmp(FindFileData.cFileName, "..") != 0)
 #endif
                     {
-                        cv::Ptr<char> fname;
+                        char* fname;
                     #ifdef HAVE_WINRT
-                        size_t asize = wcstombs(NULL, FindFileData.cFileName, 0);
-                        fname = new char[asize+1];
-                        fname[asize] = 0;
-                        wcstombs(fname, FindFileData.cFileName, asize);
+                        char fname_tmp[MAX_PATH];
+                        size_t copied = wcstombs(fname, FindFileData.cFileName, MAX_PATH);
+                        CV_Assert((copied != MAX_PATH) && (copied != (size_t)-1));
+                        fname = fname_tmp;
                     #else
                         fname = FindFileData.cFileName;
                     #endif

modules/core/perf/perf_main.cpp

@@ -1,3 +1,8 @@
 #include "perf_precomp.hpp"
+#ifdef _MSC_VER
+# if _MSC_VER >= 1700
+#  pragma warning(disable:4447) // Disable warning 'main' signature found without threading model
+# endif
+#endif
 
 CV_PERF_TEST_MAIN(core)

modules/core/src/glob.cpp

@@ -79,10 +79,9 @@ namespace
         dir->ent.d_name = 0;
 #ifdef HAVE_WINRT
         cv::String full_path = cv::String(path) + "\\*";
-        size_t size = mbstowcs(NULL, full_path.c_str(), full_path.size());
-        cv::Ptr<wchar_t> wfull_path = new wchar_t[size+1];
-        wfull_path[size] = 0;
-        mbstowcs(wfull_path, full_path.c_str(), full_path.size());
+        wchar_t wfull_path[MAX_PATH];
+        size_t copied = mbstowcs(wfull_path, full_path.c_str(), MAX_PATH);
+        CV_Assert((copied != MAX_PATH) && (copied != (size_t)-1));
         dir->handle = ::FindFirstFileExW(wfull_path, FindExInfoStandard,
                         &dir->data, FindExSearchNameMatch, NULL, 0);
 #else
@@ -106,6 +105,7 @@ namespace
                 return 0;
         }
         size_t asize = wcstombs(NULL, dir->data.cFileName, 0);
+        CV_Assert((asize != 0) && (asize != (size_t)-1));
         char* aname = new char[asize+1];
         aname[asize] = 0;
         wcstombs(aname, dir->data.cFileName, asize);
@@ -146,10 +146,9 @@ static bool isDir(const cv::String& path, DIR* dir)
     {
         WIN32_FILE_ATTRIBUTE_DATA all_attrs;
 #ifdef HAVE_WINRT
-        size_t size = mbstowcs(NULL, path.c_str(), path.size());
-        cv::Ptr<wchar_t> wpath = new wchar_t[size+1];
-        wpath[size] = 0;
-        mbstowcs(wpath, path.c_str(), path.size());
+        wchar_t wpath[MAX_PATH];
+        size_t copied = mbstowcs(wpath, path.c_str(), MAX_PATH);
+        CV_Assert((copied != MAX_PATH) && (copied != (size_t)-1));
         ::GetFileAttributesExW(wpath, GetFileExInfoStandard, &all_attrs);
 #else
         ::GetFileAttributesExA(path.c_str(), GetFileExInfoStandard, &all_attrs);

modules/core/src/system.cpp

@@ -42,6 +42,12 @@
 
 #include "precomp.hpp"
 
+#ifdef _MSC_VER
+# if _MSC_VER >= 1700
+#  pragma warning(disable:4447) // Disable warning 'main' signature found without threading model
+# endif
+#endif
+
 #if defined WIN32 || defined _WIN32 || defined WINCE
 #ifndef _WIN32_WINNT           // This is needed for the declaration of TryEnterCriticalSection in winbase.h with Visual Studio 2005 (and older?)
   #define _WIN32_WINNT 0x0400  // http://msdn.microsoft.com/en-us/library/ms686857(VS.85).aspx
@@ -423,15 +429,14 @@ String tempfile( const char* suffix )
     temp_file = temp_dir + std::wstring(L"\\") + temp_file;
     DeleteFileW(temp_file.c_str());
 
-    size_t asize = wcstombs(NULL, temp_file.c_str(), 0);
-    Ptr<char> aname = new char[asize+1];
-    aname[asize] = 0;
-    wcstombs(aname, temp_file.c_str(), asize);
+    char aname[MAX_PATH];
+    size_t copied = wcstombs(aname, temp_file.c_str(), MAX_PATH);
+    CV_Assert((copied != MAX_PATH) && (copied != (size_t)-1));
     fname = std::string(aname);
     RoUninitialize();
 #else
-    char temp_dir2[MAX_PATH + 1] = { 0 };
-    char temp_file[MAX_PATH + 1] = { 0 };
+    char temp_dir2[MAX_PATH] = { 0 };
+    char temp_file[MAX_PATH] = { 0 };
 
     if (temp_dir == 0 || temp_dir[0] == 0)
     {

modules/core/test/test_main.cpp

@@ -1,7 +1,10 @@
-#ifdef HAVE_WINRT
-    #pragma warning(disable:4447) // Disable warning 'main' signature found without threading model
+#ifdef _MSC_VER
+# if _MSC_VER >= 1700
+#  pragma warning(disable:4447) // Disable warning 'main' signature found without threading model
+# endif
 #endif
 
+
 #include "test_precomp.hpp"
 
 CV_TEST_MAIN("cv")

modules/gpuarithm/perf/perf_arithm.cpp

@@ -84,7 +84,7 @@ PERF_TEST_P(Sz_Type_Flags, GEMM,
 
         TEST_CYCLE() cv::gpu::gemm(d_src1, d_src2, 1.0, d_src3, 1.0, dst, flags);
 
-        GPU_SANITY_CHECK(dst, 1e-6);
+        GPU_SANITY_CHECK(dst, 1e-6, ERROR_RELATIVE);
     }
     else
     {
@@ -234,7 +234,7 @@ PERF_TEST_P(Sz_KernelSz_Ccorr, Convolve,
 
         TEST_CYCLE() convolution->convolve(d_image, d_templ, dst, ccorr);
 
-        GPU_SANITY_CHECK(dst);
+        GPU_SANITY_CHECK(dst, 1e-6, ERROR_RELATIVE);
     }
     else
     {

modules/gpuarithm/src/element_operations.cpp

@@ -1912,7 +1912,7 @@ void cv::gpu::bitwise_not(InputArray _src, OutputArray _dst, InputArray _mask, S
     }
     else
     {
-        bitMatNot<unsigned short>(
+        bitMatNot<unsigned char>(
                     PtrStepSzb(src.rows, bcols, src.data, src.step),
                     PtrStepSzb(src.rows, bcols, dst.data, dst.step),
                     mask, stream);

modules/java/generator/gen_java.py

@@ -542,7 +542,7 @@ JNIEXPORT jstring JNICALL Java_org_opencv_highgui_VideoCapture_getSupportedPrevi
 {
     static const char method_name[] = "highgui::VideoCapture_getSupportedPreviewSizes_10()";
     try {
-        LOGD(%s, method_name);
+        LOGD("%s", method_name);
         VideoCapture* me = (VideoCapture*) self; //TODO: check for NULL
         union {double prop; const char* name;} u;
         u.prop = me->get(CAP_PROP_ANDROID_PREVIEW_SIZES_STRING);

modules/ts/src/precomp.hpp

@@ -1,6 +1,7 @@
 #include "opencv2/core/utility.hpp"
 #include "opencv2/core/private.hpp"
 #include "opencv2/ts.hpp"
+#include "cvconfig.h"
 
 #ifdef GTEST_LINKED_AS_SHARED_LIBRARY
 #error ts module should not have GTEST_LINKED_AS_SHARED_LIBRARY defined

modules/ts/src/ts_perf.cpp

@@ -740,6 +740,14 @@ void TestBase::RecordRunParameters()
 {
     ::testing::Test::RecordProperty("cv_implementation", param_impl);
     ::testing::Test::RecordProperty("cv_num_threads", param_threads);
+
+#ifdef HAVE_CUDA
+    if (param_impl == "cuda")
+    {
+        cv::gpu::DeviceInfo info(param_cuda_device);
+        ::testing::Test::RecordProperty("cv_cuda_gpu", info.name());
+    }
+#endif
 }
 
 std::string TestBase::getSelectedImpl()