cleanup some cuda module warnings

modules/cudacodec/include/opencv2/cudacodec.hpp

@@ -385,6 +385,8 @@ struct CV_EXPORTS_W_SIMPLE FormatInfo
  */
 class CV_EXPORTS_W NVSurfaceToColorConverter {
 public:
+    virtual ~NVSurfaceToColorConverter() = default;
+
     /** @brief Performs the conversion from the raw YUV Surface output from VideoReader to the requested color format. Use this function when you want to convert the raw YUV Surface output from VideoReader to more than one color format or you want both the raw Surface output in addition to a color frame.
      * @param yuv The raw YUV Surface output from VideoReader see @ref SurfaceFormat.
      * @param color The converted frame.

modules/cudacodec/src/cuda/ColorSpace.cu

@@ -160,15 +160,15 @@ __global__ static void YuvToColorKernel(uint8_t* pYuv, int nYuvPitch, uint8_t* p
 
     union ColorOutx2 {
         Colorx2 d;
-        Color Color[2];
+        Color ColorArray[2];
     };
     ColorOutx2 l1Out;
-    l1Out.Color[0] = YuvToColorForPixel<Color>(l0.x, ch.x, ch.y, videoFullRangeFlag);
-    l1Out.Color[1] = YuvToColorForPixel<Color>(l0.y, ch.x, ch.y, videoFullRangeFlag);
+    l1Out.ColorArray[0] = YuvToColorForPixel<Color>(l0.x, ch.x, ch.y, videoFullRangeFlag);
+    l1Out.ColorArray[1] = YuvToColorForPixel<Color>(l0.y, ch.x, ch.y, videoFullRangeFlag);
     *(Colorx2*)pDst = l1Out.d;
     ColorOutx2 l2Out;
-    l2Out.Color[0] = YuvToColorForPixel<Color>(l1.x, ch.x, ch.y, videoFullRangeFlag);
-    l2Out.Color[1] = YuvToColorForPixel<Color>(l1.y, ch.x, ch.y, videoFullRangeFlag);
+    l2Out.ColorArray[0] = YuvToColorForPixel<Color>(l1.x, ch.x, ch.y, videoFullRangeFlag);
+    l2Out.ColorArray[1] = YuvToColorForPixel<Color>(l1.y, ch.x, ch.y, videoFullRangeFlag);
     *(Colorx2*)(pDst + nColorPitch) = l2Out.d;
 }
 
@@ -214,11 +214,11 @@ __global__ static void Yuv444ToColorKernel(uint8_t* pYuv, int nYuvPitch, uint8_t
 
     union ColorOutx2 {
         Colorx2 d;
-        Color Color[2];
+        Color ColorArray[2];
     };
     ColorOutx2 out;
-    out.Color[0] = YuvToColorForPixel<Color>(l0.x, ch1.x, ch2.x, videoFullRangeFlag);
-    out.Color[1] = YuvToColorForPixel<Color>(l0.y, ch1.y, ch2.y, videoFullRangeFlag);
+    out.ColorArray[0] = YuvToColorForPixel<Color>(l0.x, ch1.x, ch2.x, videoFullRangeFlag);
+    out.ColorArray[1] = YuvToColorForPixel<Color>(l0.y, ch1.y, ch2.y, videoFullRangeFlag);
     *(Colorx2*)pDst = out.d;
 }
 

modules/cudafeatures2d/include/opencv2/cudafeatures2d.hpp

@@ -118,11 +118,11 @@ class CV_EXPORTS_W DescriptorMatcher : public cv::Algorithm
 
     /** @brief Clears the train descriptor collection.
      */
-    CV_WRAP virtual void clear() = 0;
+    CV_WRAP virtual void clear() override = 0;
 
     /** @brief Returns true if there are no train descriptors in the collection.
      */
-    CV_WRAP virtual bool empty() const = 0;
+    CV_WRAP virtual bool empty() const override = 0;
 
     /** @brief Trains a descriptor matcher.