Fix Android build warnings

modules/core/src/arithm.cpp

@@ -1228,10 +1228,10 @@ static int actualScalarDepth(const double* data, int len)
         maxval = MAX(maxval, ival);
     }
     return i < len ? CV_64F :
-        minval >= 0 && maxval <= UCHAR_MAX ? CV_8U :
-        minval >= SCHAR_MIN && maxval <= SCHAR_MAX ? CV_8S :
-        minval >= 0 && maxval <= USHRT_MAX ? CV_16U :
-        minval >= SHRT_MIN && maxval <= SHRT_MAX ? CV_16S :
+        minval >= 0 && maxval <= (int)UCHAR_MAX ? CV_8U :
+        minval >= (int)SCHAR_MIN && maxval <= (int)SCHAR_MAX ? CV_8S :
+        minval >= 0 && maxval <= (int)USHRT_MAX ? CV_16U :
+        minval >= (int)SHRT_MIN && maxval <= (int)SHRT_MAX ? CV_16S :
         CV_32S;
 }
 

samples/cpp/stitching_detailed.cpp

@@ -326,7 +326,10 @@ static int parseCmdArgs(int argc, char** argv)
 
 int main(int argc, char* argv[])
 {
+#if ENABLE_LOG
     int64 app_start_time = getTickCount();
+#endif
+
     cv::setBreakOnError(true);
 
     int retval = parseCmdArgs(argc, argv);
@@ -345,7 +348,9 @@ int main(int argc, char* argv[])
     bool is_work_scale_set = false, is_seam_scale_set = false, is_compose_scale_set = false;
 
     LOGLN("Finding features...");
+#if ENABLE_LOG
     int64 t = getTickCount();
+#endif
 
     Ptr<FeaturesFinder> finder;
     if (features_type == "surf")
@@ -420,7 +425,9 @@ int main(int argc, char* argv[])
     LOGLN("Finding features, time: " << ((getTickCount() - t) / getTickFrequency()) << " sec");
 
     LOG("Pairwise matching");
+#if ENABLE_LOG
     t = getTickCount();
+#endif
     vector<MatchesInfo> pairwise_matches;
     BestOf2NearestMatcher matcher(try_gpu, match_conf);
     matcher(features, pairwise_matches);
@@ -516,7 +523,9 @@ int main(int argc, char* argv[])
     }
 
     LOGLN("Warping images (auxiliary)... ");
+#if ENABLE_LOG
     t = getTickCount();
+#endif
 
     vector<Point> corners(num_images);
     vector<Mat> masks_warped(num_images);
@@ -634,7 +643,9 @@ int main(int argc, char* argv[])
     masks.clear();
 
     LOGLN("Compositing...");
+#if ENABLE_LOG
     t = getTickCount();
+#endif
 
     Mat img_warped, img_warped_s;
     Mat dilated_mask, seam_mask, mask, mask_warped;