Added VideoCapture.Release function.

Emgu.CV.Extern/CMakeLists.txt

@@ -1980,13 +1980,14 @@ ENDIF()
     "${CMAKE_CURRENT_SOURCE_DIR}/../Emgu.CV/Videoio/VideoCapture.g.cs"
     "cv::VideoCapture" 
     "VideoCapture" 
-    "isOpened;ExceptionMode" 
-    "bool;bool" 
-    "val;prop"
-    "IsOpened;ExceptionMode" 
-    "bool;bool"
+    "isOpened;ExceptionMode;release" 
+    "bool;bool;void" 
+    "val;prop;act0"
+    "IsOpened;ExceptionMode;Release" 
+    "bool;bool;void"
     "True if the camera is opened;
-    If True, methods raise exceptions if not successful instead of returning an error code"
+    If True, methods raise exceptions if not successful instead of returning an error code;
+    The method is automatically called by subsequent VideoCapture.Open and by VideoCapture destructor."
     "Emgu.CV"
     "CvInvoke"
     "VideoCapture"

Emgu.CV.Extern/videoio/videoio_c_extra.cpp

@@ -84,7 +84,7 @@ cv::VideoCapture* cveVideoCaptureCreateFromFile(cv::String* fileName, int apiPre
 #endif
 }
 
-void cveVideoCaptureRelease(cv::VideoCapture** capture)
+void cveVideoCaptureRelease2(cv::VideoCapture** capture)
 {
 #ifdef HAVE_OPENCV_VIDEOIO
 	delete *capture;

Emgu.CV.Extern/videoio/videoio_c_extra.h

@@ -69,7 +69,7 @@ CVAPI(void) OpenniGetColorPoints(
 CVAPI(cv::VideoCapture*) cveVideoCaptureCreateFromDevice(int device, int apiPreference, std::vector< int >* params);
 CVAPI(cv::VideoCapture*) cveVideoCaptureCreateFromFile(cv::String* fileName, int apiPreference, std::vector< int >* params);
 
-CVAPI(void) cveVideoCaptureRelease(cv::VideoCapture** capture);
+CVAPI(void) cveVideoCaptureRelease2(cv::VideoCapture** capture);
 CVAPI(bool) cveVideoCaptureSet(cv::VideoCapture* capture, int propId, double value);
 CVAPI(double) cveVideoCaptureGet(cv::VideoCapture* capture, int propId);
 CVAPI(bool) cveVideoCaptureGrab(cv::VideoCapture* capture);

Emgu.CV/Videoio/VideoCapture.cs

@@ -413,7 +413,7 @@ namespace Emgu.CV
             if (_needDispose && _ptr != IntPtr.Zero)
             {
                 Stop();
-                CvInvoke.cveVideoCaptureRelease(ref _ptr);
+                CvInvoke.cveVideoCaptureRelease2(ref _ptr);
             }
 #endif
         }
@@ -779,7 +779,7 @@ namespace Emgu.CV
         internal static extern IntPtr cveVideoCaptureCreateFromFile(IntPtr filename, VideoCapture.API api, IntPtr captureProperties);
 
         [DllImport(ExternLibrary, CallingConvention = CvInvoke.CvCallingConvention)]
-        internal static extern void cveVideoCaptureRelease(ref IntPtr capture);
+        internal static extern void cveVideoCaptureRelease2(ref IntPtr capture);
 
         [DllImport(ExternLibrary, CallingConvention = CvInvoke.CvCallingConvention)]
         [return: MarshalAs(CvInvoke.BoolToIntMarshalType)]