feature-match: fix errors in debug mode
diff --git a/modules/ocl/cl_defog_dcp_handler.cpp b/modules/ocl/cl_defog_dcp_handler.cpp
index e445540..7300485 100644
--- a/modules/ocl/cl_defog_dcp_handler.cpp
+++ b/modules/ocl/cl_defog_dcp_handler.cpp
@@ -370,7 +370,7 @@
     height = desc.height;
 
     snprintf (file_name, 1024, "dark-channel-map_%dx%d.y", width, height);
-    write_image (image, file_name);
+    dump_image (image, file_name);
 }
 
 static SmartPtr<CLDarkChannelKernel>
diff --git a/modules/ocl/cl_pyramid_blender.cpp b/modules/ocl/cl_pyramid_blender.cpp
index 8027098..c0f4dce 100644
--- a/modules/ocl/cl_pyramid_blender.cpp
+++ b/modules/ocl/cl_pyramid_blender.cpp
@@ -1395,7 +1395,7 @@
     desc = (image)->get_image_desc ();   \
     snprintf (filename, sizeof(filename), prefix "_L%d-%dx%d",            \
               layer, (image)->get_pixel_bytes () * desc.width, desc.height); \
-    write_image (image, filename)
+    dump_image (image, filename)
 
     // dump image data to file
     CLImageDesc desc;
diff --git a/modules/ocl/cl_utils.cpp b/modules/ocl/cl_utils.cpp
index 14df762..4715d98 100644
--- a/modules/ocl/cl_utils.cpp
+++ b/modules/ocl/cl_utils.cpp
@@ -19,11 +19,12 @@
  */
 
 #include "cl_utils.h"
+#include "image_file_handle.h"
 
 namespace XCam {
 
 bool
-write_image (SmartPtr<CLImage> image, const char *file_name)
+dump_image (SmartPtr<CLImage> image, const char *file_name)
 {
     XCAM_ASSERT (file_name);
 
@@ -54,6 +55,28 @@
     return true;
 }
 
+bool
+dump_buffer (SmartPtr<VideoBuffer> buffer, char *file_name)
+{
+    ImageFileHandle file;
+
+    XCamReturn ret = file.open (file_name, "wb");
+    if (ret != XCAM_RETURN_NO_ERROR) {
+        XCAM_LOG_ERROR ("open %s failed", file_name);
+        return false;
+    }
+
+    ret = file.write_buf (buffer);
+    if (ret != XCAM_RETURN_NO_ERROR) {
+        XCAM_LOG_ERROR ("write buffer to %s failed", file_name);
+        file.close ();
+        return false;
+    }
+
+    file.close ();
+    return true;
+}
+
 SmartPtr<CLBuffer>
 convert_to_clbuffer (
     const SmartPtr<CLContext> &context,
diff --git a/modules/ocl/cl_utils.h b/modules/ocl/cl_utils.h
index 8d277aa..06160fe 100644
--- a/modules/ocl/cl_utils.h
+++ b/modules/ocl/cl_utils.h
@@ -30,7 +30,8 @@
 
 namespace XCam {
 
-bool write_image (SmartPtr<CLImage> image, const char *file_name);
+bool dump_image (SmartPtr<CLImage> image, const char *file_name);
+bool dump_buffer (SmartPtr<VideoBuffer> buffer, char *file_name);
 
 SmartPtr<CLBuffer> convert_to_clbuffer (
     const SmartPtr<CLContext> &context,
diff --git a/modules/ocl/cv_feature_match.cpp b/modules/ocl/cv_feature_match.cpp
index 9682f61..1d633bd 100644
--- a/modules/ocl/cv_feature_match.cpp
+++ b/modules/ocl/cv_feature_match.cpp
@@ -199,7 +199,7 @@
 #if XCAM_CV_FM_DEBUG
     XCAM_LOG_INFO (
         "Stiching area: left_area(x:%d, width:%d), right_area(x:%d, width:%d)",
-        crop_left.x, crop_left.width, crop_right.x, crop_right.width);
+        crop_left.pos_x, crop_left.width, crop_right.pos_x, crop_right.width);
 #endif
 }
 
@@ -234,6 +234,7 @@
     XCAM_ASSERT (_fm_idx >= 0);
     char file_name[1024];
 
+#if 0
     VideoBufferInfo info = left_buf->get_video_info ();
     std::snprintf (file_name, 1023, "fm_in_%d_%d_%dx%d_0.nv12", info.width, info.height, _frame_num, _fm_idx);
     dump_buffer (left_buf, file_name);
@@ -241,20 +242,23 @@
     info = right_buf->get_video_info ();
     std::snprintf (file_name, 1023, "fm_in_%d_%d_%dx%d_1.nv12", info.width, info.height, _frame_num, _fm_idx);
     dump_buffer (right_buf, file_name);
+#endif
 
     cv::Mat mat;
     std::snprintf (file_name, 1023, "fm_in_stitch_area_%d_%d_0.jpg", _frame_num, _fm_idx);
     convert_to_mat (left_buf, mat);
-    cv::line (mat, cv::Point(left_img_crop.x, 0), cv::Point(left_img_crop.x, dst_width), cv::Scalar(0, 0, 255), 2);
-    cv::line (mat, cv::Point(left_img_crop.x + left_img_crop.width, 0),
-              cv::Point(left_img_crop.x + left_img_crop.width, dst_width), cv::Scalar(0, 0, 255), 2);
+    cv::line (mat, cv::Point(left_crop_rect.pos_x, 0),
+              cv::Point(left_crop_rect.pos_x, dst_width), cv::Scalar(0, 0, 255), 2);
+    cv::line (mat, cv::Point(left_crop_rect.pos_x + left_crop_rect.width, 0),
+              cv::Point(left_crop_rect.pos_x + left_crop_rect.width, dst_width), cv::Scalar(0, 0, 255), 2);
     cv::imwrite (file_name, mat);
 
     std::snprintf (file_name, 1023, "fm_in_stitch_area_%d_%d_1.jpg", _frame_num, _fm_idx);
     convert_to_mat (right_buf, mat);
-    cv::line (mat, cv::Point(right_img_crop.x, 0), cv::Point(right_img_crop.x, dst_width), cv::Scalar(0, 0, 255), 2);
-    cv::line (mat, cv::Point(right_img_crop.x + right_img_crop.width, 0),
-              cv::Point(right_img_crop.x + right_img_crop.width, dst_width), cv::Scalar(0, 0, 255), 2);
+    cv::line (mat, cv::Point(right_crop_rect.pos_x, 0),
+              cv::Point(right_crop_rect.pos_x, dst_width), cv::Scalar(0, 0, 255), 2);
+    cv::line (mat, cv::Point(right_crop_rect.pos_x + right_crop_rect.width, 0),
+              cv::Point(right_crop_rect.pos_x + right_crop_rect.width, dst_width), cv::Scalar(0, 0, 255), 2);
     cv::imwrite (file_name, mat);
 
     XCAM_LOG_INFO ("Feature match: frame number:%d index:%d done", _frame_num, _fm_idx);
diff --git a/modules/ocl/feature_match.cpp b/modules/ocl/feature_match.cpp
index 06619b1..140f407 100644
--- a/modules/ocl/feature_match.cpp
+++ b/modules/ocl/feature_match.cpp
@@ -25,31 +25,6 @@
 
 #define XCAM_FM_DEBUG 0
 
-#if XCAM_FM_DEBUG
-static XCamReturn
-dump_buffer (SmartPtr<VideoBuffer> buffer, char *dump_name)
-{
-    ImageFileHandle file;
-
-    XCamReturn ret = file.open (dump_name, "wb");
-    if (ret != XCAM_RETURN_NO_ERROR) {
-        XCAM_LOG_ERROR ("open %s failed", dump_name);
-        return ret;
-    }
-
-    ret = file.write_buf (buffer);
-    if (ret != XCAM_RETURN_NO_ERROR) {
-        XCAM_LOG_ERROR ("write buffer to %s failed", dump_name);
-        file.close ();
-        return ret;
-    }
-
-    file.close ();
-
-    return XCAM_RETURN_NO_ERROR;
-}
-#endif
-
 FeatureMatch::FeatureMatch ()
     : _x_offset (0.0f)
     , _mean_offset (0.0f)
diff --git a/modules/ocl/feature_match.h b/modules/ocl/feature_match.h
index 0b3e762..fa7f366 100644
--- a/modules/ocl/feature_match.h
+++ b/modules/ocl/feature_match.h
@@ -81,8 +81,6 @@
     int                  _valid_count;
     CVFMConfig           _config;
 
-private:
-
     // debug parameters
     int                  _fm_idx;
     uint                 _frame_num;