4 files changed, 14 insertions, 15 deletions
diff --git a/modules/ocl/cl_utils.cpp b/modules/ocl/cl_utils.cpp
index d944733..87d4402 100644
--- a/modules/ocl/cl_utils.cpp
+++ b/modules/ocl/cl_utils.cpp
@@ -78,7 +78,7 @@ dump_image (SmartPtr<CLImage> image, const char *file_name)
 SmartPtr<CLBuffer>
 convert_to_clbuffer (
     const SmartPtr<CLContext> &context,
-    SmartPtr<VideoBuffer> &buf)
+    const SmartPtr<VideoBuffer> &buf)
 {
     SmartPtr<CLBuffer> cl_buf;
 
diff --git a/modules/ocl/cl_utils.h b/modules/ocl/cl_utils.h
index 35eb320..67ed467 100644
--- a/modules/ocl/cl_utils.h
+++ b/modules/ocl/cl_utils.h
@@ -46,7 +46,7 @@ bool dump_image (SmartPtr<CLImage> image, const char *file_name);
 
 SmartPtr<CLBuffer> convert_to_clbuffer (
     const SmartPtr<CLContext> &context,
-    SmartPtr<VideoBuffer> &buf);
+    const SmartPtr<VideoBuffer> &buf);
 
 SmartPtr<CLImage> convert_to_climage (
     const SmartPtr<CLContext> &context,
diff --git a/modules/ocl/cv_feature_match.cpp b/modules/ocl/cv_feature_match.cpp
index d685e75..16a6a0f 100644
--- a/modules/ocl/cv_feature_match.cpp
+++ b/modules/ocl/cv_feature_match.cpp
@@ -42,7 +42,7 @@ CVFeatureMatch::CVFeatureMatch ()
 
 bool
 CVFeatureMatch::get_crop_image (
-    SmartPtr<VideoBuffer> buffer, Rect crop_rect, cv::UMat &img)
+    const SmartPtr<VideoBuffer> &buffer, const Rect &crop_rect, cv::UMat &img)
 {
     SmartPtr<CLBuffer> cl_buffer = convert_to_clbuffer (_cv_context->get_cl_context (), buffer);
     VideoBufferInfo info = buffer->get_video_info ();
@@ -75,8 +75,8 @@ CVFeatureMatch::add_detected_data (
 
 void
 CVFeatureMatch::get_valid_offsets (
-    std::vector<cv::Point2f> corner0, std::vector<cv::Point2f> corner1,
-    std::vector<uchar> status, std::vector<float> error,
+    std::vector<cv::Point2f> &corner0, std::vector<cv::Point2f> &corner1,
+    std::vector<uchar> &status, std::vector<float> &error,
     std::vector<float> &offsets, float &sum, int &count,
     cv::InputOutputArray debug_img, cv::Size &img0_size)
 {
@@ -111,7 +111,7 @@ CVFeatureMatch::get_valid_offsets (
 void
 CVFeatureMatch::calc_of_match (
     cv::InputArray image0, cv::InputArray image1,
-    std::vector<cv::Point2f> corner0, std::vector<cv::Point2f> corner1,
+    std::vector<cv::Point2f> &corner0, std::vector<cv::Point2f> &corner1,
     std::vector<uchar> &status, std::vector<float> &error,
     int &last_count, float &last_mean_offset, float &out_x_offset)
 {
@@ -213,7 +213,7 @@ CVFeatureMatch::detect_and_match (
 
 void
 CVFeatureMatch::optical_flow_feature_match (
-    SmartPtr<VideoBuffer> left_buf, SmartPtr<VideoBuffer> right_buf,
+    const SmartPtr<VideoBuffer> &left_buf, const SmartPtr<VideoBuffer> &right_buf,
     Rect &left_crop_rect, Rect &right_crop_rect, int dst_width)
 {
     cv::UMat left_umat, right_umat;
diff --git a/modules/ocl/cv_feature_match.h b/modules/ocl/cv_feature_match.h
index 1d9834c..ed53fae 100644
--- a/modules/ocl/cv_feature_match.h
+++ b/modules/ocl/cv_feature_match.h
@@ -42,7 +42,7 @@ public:
     explicit CVFeatureMatch ();
 
     void optical_flow_feature_match (
-        SmartPtr<VideoBuffer> left_buf, SmartPtr<VideoBuffer> right_buf,
+        const SmartPtr<VideoBuffer> &left_buf, const SmartPtr<VideoBuffer> &right_buf,
         Rect &left_img_crop, Rect &right_img_crop, int dst_width);
 
     void set_ocl (bool use_ocl) {
@@ -53,22 +53,21 @@ public:
     }
 
 protected:
-    bool get_crop_image (SmartPtr<VideoBuffer> buffer, Rect crop_rect, cv::UMat &img);
+    bool get_crop_image (const SmartPtr<VideoBuffer> &buffer, const Rect &crop_rect, cv::UMat &img);
 
     void add_detected_data (cv::InputArray image, cv::Ptr<cv::Feature2D> detector, std::vector<cv::Point2f> &corners);
-    void get_valid_offsets (std::vector<cv::Point2f> corner0, std::vector<cv::Point2f> corner1,
-                            std::vector<uchar> status, std::vector<float> error,
+    void get_valid_offsets (std::vector<cv::Point2f> &corner0, std::vector<cv::Point2f> &corner1,
+                            std::vector<uchar> &status, std::vector<float> &error,
                             std::vector<float> &offsets, float &sum, int &count,
                             cv::InputOutputArray debug_img, cv::Size &img0_size);
 
     void calc_of_match (cv::InputArray image0, cv::InputArray image1,
-                        std::vector<cv::Point2f> corner0, std::vector<cv::Point2f> corner1,
+                        std::vector<cv::Point2f> &corner0, std::vector<cv::Point2f> &corner1,
                         std::vector<uchar> &status, std::vector<float> &error,
                         int &last_count, float &last_mean_offset, float &out_x_offset);
 
-    void detect_and_match (
-        cv::InputArray img_left, cv::InputArray img_right, Rect &crop_left, Rect &crop_right,
-        int &valid_count, float &mean_offset, float &x_offset, int dst_width);
+    void detect_and_match (cv::InputArray img_left, cv::InputArray img_right, Rect &crop_left, Rect &crop_right,
+                           int &valid_count, float &mean_offset, float &x_offset, int dst_width);
 
 private:
     XCAM_DEAD_COPY (CVFeatureMatch);