modified highgui and ts modules and cmakelists for ios cross-compiling, added ios toolchains, added ios build tutorial

modules/highgui/src/cap.cpp

@@ -136,6 +136,7 @@ CV_IMPL CvCapture * cvCreateCameraCapture (int index)
 #ifdef HAVE_XIMEA
         CV_CAP_XIAPI,
 #endif
+        CV_CAP_AVFOUNDATION
         -1
     };
 
@@ -155,7 +156,8 @@ CV_IMPL CvCapture * cvCreateCameraCapture (int index)
         defined(HAVE_CAMV4L) || defined (HAVE_CAMV4L2) || defined(HAVE_GSTREAMER) || \
         defined(HAVE_DC1394_2) || defined(HAVE_DC1394) || defined(HAVE_CMU1394) || \
         defined(HAVE_GSTREAMER) || defined(HAVE_MIL) || defined(HAVE_QUICKTIME) || \
-        defined(HAVE_UNICAP) || defined(HAVE_PVAPI) || defined(HAVE_OPENNI) || defined(HAVE_ANDROID_NATIVE_CAMERA)
+        defined(HAVE_UNICAP) || defined(HAVE_PVAPI) || defined(HAVE_OPENNI) || defined(HAVE_ANDROID_NATIVE_CAMERA) || \
+        defined(TARGET_OS_IPHONE) || defined(TARGET_IPHONE_SIMULATOR)
         // local variable to memorize the captured device
         CvCapture *capture;
         #endif
@@ -278,6 +280,14 @@ CV_IMPL CvCapture * cvCreateCameraCapture (int index)
                 return capture;
         break;
         #endif
+
+        #if TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR
+        case CV_CAP_AVFOUNDATION:
+            capture = cvCreateCameraCapture_AVFoundation (index);
+            if (capture)
+                return capture;
+        break;
+        #endif
         }
     }
 
@@ -311,6 +321,11 @@ CV_IMPL CvCapture * cvCreateFileCapture (const char * filename)
         result = cvCreateFileCapture_QT (filename);
     #endif
     
+    #if  TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR
+    if (! result)
+        result = cvCreateFileCapture_AVFoundation (filename);
+    #endif
+    
     if (! result)
         result = cvCreateFileCapture_Images (filename);
 
@@ -339,6 +354,10 @@ CV_IMPL CvVideoWriter* cvCreateVideoWriter( const char* filename, int fourcc,
 		result = cvCreateVideoWriter_XINE(filename, fourcc, fps, frameSize, is_color);
 	#endif
 */
+    #if  TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR
+    if (! result)
+        result = cvCreateVideoWriter_AVFoundation(filename, fourcc, fps, frameSize, is_color);
+    #endif
 
 	#ifdef HAVE_QUICKTIME
 	if(!result)