From 1fc60e6d64dc8ffec72891d9ca73c8fe6bba1b8e Mon Sep 17 00:00:00 2001
From: zongwave <wei.zong@intel.com>
Date: Wed, 21 Dec 2016 16:12:08 +0800
Subject: [PATCH] Add method KeypointBasedMotionEstimator::estimate(InputArray,
 InputArray) to support both cpu & opencl algorithm processing

the orignal estimate function has input parameters defined as "Mat", this prevent users to call into algorithm opencl path
---
 .../videostab/include/opencv2/videostab/global_motion.hpp | 1 +
 modules/videostab/src/global_motion.cpp                   | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/modules/videostab/include/opencv2/videostab/global_motion.hpp b/modules/videostab/include/opencv2/videostab/global_motion.hpp
index 80b147a6b5..8250654c2c 100644
--- a/modules/videostab/include/opencv2/videostab/global_motion.hpp
+++ b/modules/videostab/include/opencv2/videostab/global_motion.hpp
@@ -236,6 +236,7 @@ public:
     Ptr<IOutlierRejector> outlierRejector() const { return outlierRejector_; }
 
     virtual Mat estimate(const Mat &frame0, const Mat &frame1, bool *ok = 0);
+    Mat estimate(InputArray frame0, InputArray frame1, bool *ok = 0);
 
 private:
     Ptr<MotionEstimatorBase> motionEstimator_;
diff --git a/modules/videostab/src/global_motion.cpp b/modules/videostab/src/global_motion.cpp
index 53603382ad..e0302ced2c 100644
--- a/modules/videostab/src/global_motion.cpp
+++ b/modules/videostab/src/global_motion.cpp
@@ -710,6 +710,14 @@ KeypointBasedMotionEstimator::KeypointBasedMotionEstimator(Ptr<MotionEstimatorBa
 
 
 Mat KeypointBasedMotionEstimator::estimate(const Mat &frame0, const Mat &frame1, bool *ok)
+{
+    InputArray image0 = frame0;
+    InputArray image1 = frame1;
+
+    return estimate(image0, image1, ok);
+}
+
+Mat KeypointBasedMotionEstimator::estimate(InputArray frame0, InputArray frame1, bool *ok)
 {
     // find keypoints
     detector_->detect(frame0, keypointsPrev_);