Merge remote-tracking branch 'origin/2.4' into merge-2.4

Pull requests:
	#904 from ograycode:2.4
	#905 from bitwangyaoyao:2.4_TVL1
	#902 from apavlenko:fix_run_py
	#882 from pengx17:2.4_rewrite_query_info

Conflicts:
	modules/nonfree/src/surf.ocl.cpp
	modules/ocl/include/opencv2/ocl/private/util.hpp
	modules/ocl/src/hog.cpp
	modules/ocl/src/pyrlk.cpp
	modules/ocl/src/tvl1flow.cpp

modules/java/generator/src/java/android+CameraBridgeViewBase.java

@@ -80,6 +80,14 @@ public abstract class CameraBridgeViewBase extends SurfaceView implements Surfac
         mMaxHeight = MAX_UNSPECIFIED;
         styledAttrs.recycle();
     }
+    
+    /**
+     * Sets the camera index
+     * @param camera index
+     */
+    public void setCameraIndex(int cameraIndex) {
+        this.mCameraIndex = cameraIndex;
+    }
 
     public interface CvCameraViewListener {
         /**

modules/nonfree/src/surf.ocl.cpp

@@ -156,22 +156,12 @@ public:
         counters.setTo(Scalar::all(0));
 
         integral(img, surf_.sum);
-        if(support_image2d())
+        use_image2d = support_image2d();
+        if(use_image2d)
         {
-            try
-            {
-                bindImgTex(img, imgTex);
-                bindImgTex(surf_.sum, sumTex);
-                use_image2d = true;
-            }
-            catch (const cv::Exception& e)
-            {
-                use_image2d = false;
-                if(e.code != CL_IMAGE_FORMAT_NOT_SUPPORTED && e.code != -217)
-                {
-                    throw e;
-                }
-            }
+            bindImgTex(img, imgTex);
+            bindImgTex(surf_.sum, sumTex);
+            finish();
         }
 
         maskSumTex = 0;

modules/ocl/include/opencv2/ocl/private/util.hpp

@@ -127,11 +127,18 @@ namespace cv
         // the enums are used to query device information
         enum DEVICE_INFO
         {
-            WAVEFRONT_SIZE,
-            IS_CPU_DEVICE
+            WAVEFRONT_SIZE,             //in AMD speak
+            IS_CPU_DEVICE               //check if the device is CPU
         };
         template<DEVICE_INFO _it, typename _ty>
         _ty queryDeviceInfo(cl_kernel kernel = NULL);
+        //info should have been pre-allocated
+        template<>
+        int CV_EXPORTS queryDeviceInfo<WAVEFRONT_SIZE, int>(cl_kernel kernel);
+        template<>
+        size_t CV_EXPORTS queryDeviceInfo<WAVEFRONT_SIZE, size_t>(cl_kernel kernel);
+        template<>
+        bool CV_EXPORTS queryDeviceInfo<IS_CPU_DEVICE, bool>(cl_kernel kernel);
 
         //only these three specializations are implemented at the moment
         template<>

modules/ocl/src/opencl/arithm_mul.cl

@@ -277,9 +277,15 @@ __kernel void arithm_mul_D6 (__global double *src1, int src1_step, int src1_offs
 }
 #endif
 
+#ifdef DOUBLE_SUPPORT
+#define SCALAR_TYPE double
+#else
+#define SCALAR_TYPE float
+#endif
+
 __kernel void arithm_muls_D5 (__global float *src1, int src1_step, int src1_offset,
                               __global float *dst,  int dst_step,  int dst_offset,
-                              int rows, int cols, int dst_step1, float scalar)
+                              int rows, int cols, int dst_step1, SCALAR_TYPE scalar)
 {
     int x = get_global_id(0);
     int y = get_global_id(1);

modules/ocl/src/tvl1flow.cpp

@@ -472,4 +472,8 @@ void ocl_tvl1flow::warpBackward(const oclMat &I0, const oclMat &I1, oclMat &I1x,
     args.push_back( make_pair( sizeof(cl_int), (void*)&u2_offset_y));
 
     openCLExecuteKernel(clCxt, &tvl1flow, kernelName, globalThread, localThread, args, -1, -1);
+
+    releaseTexture(I1_tex);
+    releaseTexture(I1x_tex);
+    releaseTexture(I1y_tex);
 }

modules/ts/misc/run.py

@@ -288,6 +288,16 @@ class TestSuite(object):
             if self.adb:
                 # construct name for aapt tool
                 self.aapt = [os.path.join(os.path.dirname(self.adb[0]), ("aapt","aapt.exe")[hostos == 'nt'])]
+                if not os.path.isfile(self.aapt[0]):
+                    # it's moved in SDK r22
+                    sdk_dir = os.path.dirname( os.path.dirname(self.adb[0]) )
+                    aapt_fn = ("aapt", "aapt.exe")[hostos == 'nt']
+                    for r, ds, fs in os.walk( os.path.join(sdk_dir, 'build-tools') ):
+                        if aapt_fn in fs:
+                            self.aapt = [ os.path.join(r, aapt_fn) ]
+                            break
+                    else:
+                        self.error = "Can't find '%s' tool!" % aapt_fn
 
         # fix has_perf_tests param
         self.has_perf_tests = self.has_perf_tests == "ON"