grabber api and feature unification (#462)

* move setvideomode to common place

* implement more croping and 3d support

* more api unification

* more refactoring

* osx fix

* next step

* add a mock for osx grabber. Now it is possible to test compile on none osx platforms.

* more unifications ...

* remove obsolete includes and grabbers are not dyn allocated. dispmanx needs rework an probaly not work atm

* first version of dispmanx mock. it compiles, but outputs a black image

* now dispmanx mock works!

* activate mocks in travis linux build
prepare dispmanx to rgb image out

* dispmanx now with image rgb output
fix deadlock with w/h -1 in grabber v4l
cleanups

* fix json

* fix some runtime stuff

* Update FramebufferWrapper.cpp

fix missing code

* unify grabframe

* 3d and croping for amlogic

* fix setimage not working

* make use of templates
save some codelines

* save more code lines

include/grabber/AmlogicWrapper.h

@@ -1,16 +1,7 @@
 #pragma once
 
-// Utils includes
-#include <utils/Image.h>
-#include <utils/ColorBgr.h>
-#include <utils/ColorRgb.h>
-#include <utils/VideoMode.h>
 #include <hyperion/GrabberWrapper.h>
-
-// Forward class declaration
-class AmlogicGrabber;
-class Hyperion;
-class ImageProcessor;
+#include <grabber/AmlogicGrabber.h>
 
 ///
 /// The DispmanxWrapper uses an instance of the DispmanxFrameGrabber to obtain ImageRgb's from the
@@ -34,7 +25,7 @@ public:
 	///
 	/// Destructor of this dispmanx frame grabber. Releases any claimed resources.
 	///
-	virtual ~AmlogicWrapper();
+	virtual ~AmlogicWrapper() {};
 
 public slots:
 	///
@@ -42,19 +33,7 @@ public slots:
 	///
 	virtual void action();
 
-	virtual void setVideoMode(const VideoMode mode);
-
 private:
-	/// The update rate [Hz]
-	const int _updateInterval_ms;
-	/// The timeout of the led colors [ms]
-	const int _timeout_ms;
-
-	/// The image used for grabbing frames
-	Image<ColorBgr> _image;
 	/// The actual grabber
-	AmlogicGrabber * _grabber;
-
-	/// The list with computed led colors
-	std::vector<ColorRgb> _ledColors;
+	AmlogicGrabber  _grabber;
 };