Merge pull request #642 An error occurred from taka-no-me:fix1

3rdparty/libwebp/CMakeLists.txt

@@ -41,6 +41,7 @@ if(UNIX)
 endif()
 
 ocv_warnings_disable(CMAKE_C_FLAGS -Wunused-variable -Wshadow)
+ocv_warnings_disable(CMAKE_C_FLAGS /wd4244 /wd4267) # vs2005
 
 set_target_properties(${WEBP_LIBRARY}
   PROPERTIES OUTPUT_NAME ${WEBP_LIBRARY}

modules/core/src/lapack.cpp

@@ -878,6 +878,7 @@ double cv::determinant( InputArray _mat )
     size_t step = mat.step;
     const uchar* m = mat.data;
 
+    CV_Assert( !mat.empty() );
     CV_Assert( mat.rows == mat.cols && (type == CV_32F || type == CV_64F));
 
     #define Mf(y, x) ((float*)(m + y*step))[x]

modules/highgui/src/grfmt_webp.cpp

@@ -176,7 +176,7 @@ bool WebPEncoder::write(const Mat& img, const std::vector<int>& params)
 
     const Mat *image = &img;
     Mat temp;
-    int size = 0;
+    size_t size = 0;
 
     bool comp_lossless = true;
     int quality = 100;

modules/imgproc/src/convhull.cpp

@@ -206,9 +206,9 @@ void convexHull( InputArray _points, OutputArray _hull, bool clockwise, bool ret
         }
 
         for( i = 0; i < tl_count-1; i++ )
-            hullbuf[nout++] = pointer[tl_stack[i]] - data0;
+            hullbuf[nout++] = int(pointer[tl_stack[i]] - data0);
         for( i = tr_count - 1; i > 0; i-- )
-            hullbuf[nout++] = pointer[tr_stack[i]] - data0;
+            hullbuf[nout++] = int(pointer[tr_stack[i]] - data0);
         int stop_idx = tr_count > 2 ? tr_stack[1] : tl_count > 2 ? tl_stack[tl_count - 2] : -1;
 
         // lower half
@@ -244,9 +244,9 @@ void convexHull( InputArray _points, OutputArray _hull, bool clockwise, bool ret
         }
 
         for( i = 0; i < bl_count-1; i++ )
-            hullbuf[nout++] = pointer[bl_stack[i]] - data0;
+            hullbuf[nout++] = int(pointer[bl_stack[i]] - data0);
         for( i = br_count-1; i > 0; i-- )
-            hullbuf[nout++] = pointer[br_stack[i]] - data0;
+            hullbuf[nout++] = int(pointer[br_stack[i]] - data0);
     }
 
     if( !returnPoints )

modules/imgproc/src/demosaicing.cpp

@@ -316,7 +316,7 @@ public:
             _mm_storel_epi64((__m128i*)(dst+6*6), g1);
         }
 
-        return bayer - (bayer_end - width);
+        return int(bayer - (bayer_end - width));
     }
 
     bool use_simd;

modules/imgproc/test/test_color.cpp

@@ -1960,7 +1960,7 @@ static void test_Bayer2RGB_EdgeAware_8u(const Mat& src, Mat& dst, int code)
     int dcn = dst.channels();
     CV_Assert(dcn == 3);
 
-    int step = src.step;
+    int step = (int)src.step;
     const uchar* S = src.ptr<uchar>(1) + 1;
     uchar* D = dst.ptr<uchar>(1) + dcn;
 

modules/softcascade/src/softcascade.cpp

@@ -53,7 +53,7 @@ namespace {
 struct SOctave
 {
     SOctave(const int i, const cv::Size& origObjSize, const cv::FileNode& fn)
-    : index(i), weaks((int)fn[SC_OCT_WEAKS]), scale(std::pow(2,(float)fn[SC_OCT_SCALE])),
+    : index(i), weaks((int)fn[SC_OCT_WEAKS]), scale((float)std::pow(2,(float)fn[SC_OCT_SCALE])),
       size(cvRound(origObjSize.width * scale), cvRound(origObjSize.height * scale)) {}
 
     int   index;

modules/stitching/src/matchers.cpp

@@ -573,7 +573,7 @@ void BestOf2NearestMatcher::match(const ImageFeatures &features1, const ImageFea
 
     // Find pair-wise motion
     matches_info.H = findHomography(src_points, dst_points, matches_info.inliers_mask, CV_RANSAC);
-    if (std::abs(determinant(matches_info.H)) < std::numeric_limits<double>::epsilon())
+    if (matches_info.H.empty() || std::abs(determinant(matches_info.H)) < std::numeric_limits<double>::epsilon())
         return;
 
     // Find number of inliers