From 2756ae205190afd8ced32750111e9219de44c9ba Mon Sep 17 00:00:00 2001
From: Alexander Mordvintsev <Alexander.Mordvintsev@transas.com>
Date: Tue, 29 Apr 2014 16:57:19 +0400
Subject: [PATCH 1/2] exposed OpenCL-control functions to python

---
 modules/core/include/opencv2/core/ocl.hpp | 12 ++++++------
 modules/python/CMakeLists.txt             |  1 +
 modules/python/src2/gen2.py               |  3 ++-
 modules/python/src2/hdr_parser.py         |  1 +
 4 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/modules/core/include/opencv2/core/ocl.hpp b/modules/core/include/opencv2/core/ocl.hpp
index b751c51201..99fa83a98d 100644
--- a/modules/core/include/opencv2/core/ocl.hpp
+++ b/modules/core/include/opencv2/core/ocl.hpp
@@ -46,12 +46,12 @@
 
 namespace cv { namespace ocl {
 
-CV_EXPORTS bool haveOpenCL();
-CV_EXPORTS bool useOpenCL();
-CV_EXPORTS bool haveAmdBlas();
-CV_EXPORTS bool haveAmdFft();
-CV_EXPORTS void setUseOpenCL(bool flag);
-CV_EXPORTS void finish();
+CV_EXPORTS_W bool haveOpenCL();
+CV_EXPORTS_W bool useOpenCL();
+CV_EXPORTS_W bool haveAmdBlas();
+CV_EXPORTS_W bool haveAmdFft();
+CV_EXPORTS_W void setUseOpenCL(bool flag);
+CV_EXPORTS_W void finish();
 
 class CV_EXPORTS Context;
 class CV_EXPORTS Device;
diff --git a/modules/python/CMakeLists.txt b/modules/python/CMakeLists.txt
index 894c605f40..f796a97634 100644
--- a/modules/python/CMakeLists.txt
+++ b/modules/python/CMakeLists.txt
@@ -25,6 +25,7 @@ set(opencv_hdrs
     "${OPENCV_MODULE_opencv_core_LOCATION}/include/opencv2/core/types.hpp"
     "${OPENCV_MODULE_opencv_core_LOCATION}/include/opencv2/core/persistence.hpp"
     "${OPENCV_MODULE_opencv_core_LOCATION}/include/opencv2/core/utility.hpp"
+    "${OPENCV_MODULE_opencv_core_LOCATION}/include/opencv2/core/ocl.hpp"
     "${OPENCV_MODULE_opencv_flann_LOCATION}/include/opencv2/flann/miniflann.hpp"
     "${OPENCV_MODULE_opencv_imgproc_LOCATION}/include/opencv2/imgproc.hpp"
     "${OPENCV_MODULE_opencv_video_LOCATION}/include/opencv2/video/background_segm.hpp"
diff --git a/modules/python/src2/gen2.py b/modules/python/src2/gen2.py
index 3d1300847f..b613ccd4ac 100755
--- a/modules/python/src2/gen2.py
+++ b/modules/python/src2/gen2.py
@@ -776,7 +776,7 @@ class PythonWrapperGenerator(object):
         classname = bareclassname = ""
         name = decl[0]
         dpos = name.rfind(".")
-        if dpos >= 0 and name[:dpos] != "cv":
+        if dpos >= 0 and name[:dpos] not in ["cv", "cv.ocl"]:
             classname = bareclassname = re.sub(r"^cv\.", "", name[:dpos])
             name = name[dpos+1:]
             dpos = classname.rfind(".")
@@ -785,6 +785,7 @@ class PythonWrapperGenerator(object):
                 classname = classname.replace(".", "_")
         cname = name
         name = re.sub(r"^cv\.", "", name)
+        name = name.replace(".", "_")
         isconstructor = cname == bareclassname
         cname = cname.replace(".", "::")
         isclassmethod = False
diff --git a/modules/python/src2/hdr_parser.py b/modules/python/src2/hdr_parser.py
index b6f21c31eb..78981ed1c3 100755
--- a/modules/python/src2/hdr_parser.py
+++ b/modules/python/src2/hdr_parser.py
@@ -6,6 +6,7 @@ import os, sys, re, string
 # the list only for debugging. The real list, used in the real OpenCV build, is specified in CMakeLists.txt
 opencv_hdr_list = [
 "../../core/include/opencv2/core.hpp",
+"../../core/include/opencv2/core/ocl.hpp",
 "../../flann/include/opencv2/flann/miniflann.hpp",
 "../../ml/include/opencv2/ml.hpp",
 "../../imgproc/include/opencv2/imgproc.hpp",

From a52979c37fab17249aa389cefc7778e93d2e1487 Mon Sep 17 00:00:00 2001
From: Alexander Mordvintsev <Alexander.Mordvintsev@transas.com>
Date: Wed, 14 May 2014 17:44:40 +0400
Subject: [PATCH 2/2] exposed TVL1 optical flow to python

---
 modules/video/include/opencv2/video/tracking.hpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/modules/video/include/opencv2/video/tracking.hpp b/modules/video/include/opencv2/video/tracking.hpp
index 2045b19d98..1cc27fb3ef 100644
--- a/modules/video/include/opencv2/video/tracking.hpp
+++ b/modules/video/include/opencv2/video/tracking.hpp
@@ -177,11 +177,11 @@ public:
 
 
 
-class CV_EXPORTS DenseOpticalFlow : public Algorithm
+class CV_EXPORTS_W DenseOpticalFlow : public Algorithm
 {
 public:
-    virtual void calc( InputArray I0, InputArray I1, InputOutputArray flow ) = 0;
-    virtual void collectGarbage() = 0;
+    CV_WRAP virtual void calc( InputArray I0, InputArray I1, InputOutputArray flow ) = 0;
+    CV_WRAP virtual void collectGarbage() = 0;
 };
 
 // Implementation of the Zach, Pock and Bischof Dual TV-L1 Optical Flow method
@@ -189,7 +189,7 @@ public:
 // see reference:
 //   [1] C. Zach, T. Pock and H. Bischof, "A Duality Based Approach for Realtime TV-L1 Optical Flow".
 //   [2] Javier Sanchez, Enric Meinhardt-Llopis and Gabriele Facciolo. "TV-L1 Optical Flow Estimation".
-CV_EXPORTS Ptr<DenseOpticalFlow> createOptFlow_DualTVL1();
+CV_EXPORTS_W Ptr<DenseOpticalFlow> createOptFlow_DualTVL1();
 
 } // cv