- refactored framebuffer grabber to use ImageResampler

- added OsxGrabber for OSX
- added binary for imx6 (cubox-i) and updated install script


Former-commit-id: 2c55e292c842c67e54ce36bd91e4f6303b98687a

CMakeLists.txt

@@ -35,10 +35,21 @@ endif(ENABLE_V4L2 AND NOT ENABLE_PROTOBUF)
 option(ENABLE_FB "Enable the framebuffer grabber" OFF)
 message(STATUS "ENABLE_FB = " ${ENABLE_FB})
 
+option(ENABLE_OSX "Enable the osx grabber" OFF)
+message(STATUS "ENABLE_OSX = " ${ENABLE_OSX})
+
 if(ENABLE_FB AND ENABLE_DISPMANX)
 	message(FATAL_ERROR "dispmanx grabber and framebuffer grabber cannot be used at the same time")
 endif(ENABLE_FB AND ENABLE_DISPMANX)
 
+if(ENABLE_FB AND ENABLE_OSX)
+	message(FATAL_ERROR "osx grabber and framebuffer grabber cannot be used at the same time")
+endif(ENABLE_FB AND ENABLE_OSX)
+
+if(ENABLE_OSX AND ENABLE_DISPMANX)
+	message(FATAL_ERROR "dispmanx grabber and osx grabber cannot be used at the same time")
+endif(ENABLE_OSX AND ENABLE_DISPMANX)
+
 # Createt the configuration file
 # configure a header file to pass some of the CMake settings
 # to the source code
@@ -89,6 +100,10 @@ if(NOT APPLE)
 	link_directories(${CMAKE_FIND_ROOT_PATH}/lib/arm-linux-gnueabihf)
 endif()
 
+if(ENABLE_OSX)
+	set(CMAKE_EXE_LINKER_FLAGS "-framework CoreGraphics")
+endif()
+
 configure_file(bin/install_hyperion.sh ${LIBRARY_OUTPUT_PATH} @ONLY)
 configure_file(config/hyperion.config.json ${LIBRARY_OUTPUT_PATH} @ONLY)
 configure_file(config/hyperion_x86.config.json ${LIBRARY_OUTPUT_PATH} @ONLY)

CompileHowto.txt

@@ -28,6 +28,10 @@ cmake ..
 cmake -DENABLE_DISPMANX=OFF -DENABLE_SPIDEV=OFF -DENABLE_X11=ON ..
 # as an alternative for the dispmanx grabber on non-rpi devices (e.g. cubox-i) you could try the framebuffer grabber
 cmake -DENABLE_DISPMANX=OFF -DENABLE_SPIDEV=OFF -DENABLE_FB=ON ..
+# for OSX build you need XCode, qt4 libraries and cmake. You can use macport (homebrew might work too) to install them
+sudo port install qt4-mac
+sudo port install cmake
+cmake -DENABLE_DISPMANX=OFF -DENABLE_SPIDEV=OFF -DENABLE_V4L2=OFF -DENABLE_OSX=ON .
 
 # run make to build Hyperion
 make

HyperionConfig.h.in

@@ -21,3 +21,6 @@
 // Define to enable the framebuffer grabber
 #cmakedefine ENABLE_FB
 
+// Define to enable the osx grabber
+#cmakedefine ENABLE_OSX
+

bin/install_hyperion.sh

@@ -10,6 +10,9 @@ IS_XBIAN=`cat /etc/issue | grep XBian | wc -l`
 IS_RASPBMC=`cat /etc/issue | grep Raspbmc | wc -l`
 IS_OPENELEC=`cat /etc/issue | grep -m 1 OpenELEC | wc -l`
 
+# Find out if its an imx6 device
+IS_IMX6=`cat /proc/cpuinfo | grep i.MX6 | wc -l`
+
 # check which init script we should use
 USE_INITCTL=`which /sbin/initctl | wc -l`
 USE_SERVICE=`which /usr/sbin/service | wc -l`
@@ -34,14 +37,21 @@ fi
 echo 'Downloading hyperion'
 if [ $IS_OPENELEC -eq 1 ]; then
 	# OpenELEC has a readonly file system. Use alternative location
+if [ $IS_IMX6 -eq 1 ]; then
+	curl -L --get https://raw.githubusercontent.com/tvdzwan/hyperion/master/deploy/hyperion_imx6.tar.gz | tar -C /storage -xz
+else
 	curl -L --get https://raw.githubusercontent.com/tvdzwan/hyperion/master/deploy/hyperion.tar.gz | tar -C /storage -xz
+fi
 	curl -L --get https://raw.githubusercontent.com/tvdzwan/hyperion/master/deploy/hyperion.deps.openelec-rpi.tar.gz | tar -C /storage/hyperion/bin -xz
-
 	# modify the default config to have a correct effect path
 	sed -i 's:/opt:/storage:g' /storage/hyperion/config/hyperion.config.json
+else
+if [ $IS_IMX6 -eq 1 ]; then
+	wget https://raw.githubusercontent.com/tvdzwan/hyperion/master/deploy/hyperion_imx6.tar.gz -O - | tar -C /opt -xz
 else
 	wget https://raw.githubusercontent.com/tvdzwan/hyperion/master/deploy/hyperion.tar.gz -O - | tar -C /opt -xz
 fi
+fi
 
 # create links to the binaries
 if [ $IS_OPENELEC -ne 1 ]; then
@@ -51,7 +61,7 @@ if [ $IS_OPENELEC -ne 1 ]; then
 fi
 
 # create link to the gpio changer (gpio->spi)
-if [ $IS_RASPBMC -eq 1 ]; then
+if [ $IS_RASPBMC -eq 1 ] && [ $IS_IMX6 -ne 1 ]; then
 	ln -fs /opt/hyperion/bin/gpio2spi /usr/bin/gpio2spi
 fi
 

deploy/hyperion_imx6.tar.gz.REMOVED.git-id

@@ -0,0 +1 @@
+12dce43d5b0f92cd013594f1b3d5045d5578de98

include/grabber/FramebufferWrapper.h

@@ -7,7 +7,6 @@
 // Utils includes
 #include <utils/Image.h>
 #include <utils/ColorRgb.h>
-#include <utils/ColorRgba.h>
 #include <utils/GrabbingMode.h>
 #include <utils/VideoMode.h>
 
@@ -81,7 +80,7 @@ private:
 	QTimer _timer;
 
 	/// The image used for grabbing frames
-	Image<ColorRgba> _image;
+	Image<ColorRgb> _image;
 	/// The actual grabber
 	FramebufferFrameGrabber * _frameGrabber;
 	/// The processor for transforming images to led colors

include/grabber/OsxWrapper.h

@@ -0,0 +1,95 @@
+#pragma once
+
+// QT includes
+#include <QObject>
+#include <QTimer>
+
+// Utils includes
+#include <utils/Image.h>
+#include <utils/ColorRgb.h>
+#include <utils/ColorRgba.h>
+#include <utils/GrabbingMode.h>
+#include <utils/VideoMode.h>
+
+// Forward class declaration
+class OsxFrameGrabber;
+class Hyperion;
+class ImageProcessor;
+
+///
+/// The OsxWrapper uses an instance of the OsxFrameGrabber to obtain ImageRgb's from the
+/// displayed content. This ImageRgb is processed to a ColorRgb for each led and commmited to the
+/// attached Hyperion.
+///
+class OsxWrapper: public QObject
+{
+	Q_OBJECT
+public:
+	///
+	/// Constructs the osx frame grabber with a specified grab size and update rate.
+	///
+	/// @param[in] display Index of the display to grab
+	/// @param[in] grabWidth  The width of the grabbed image [pixels]
+	/// @param[in] grabHeight  The height of the grabbed images [pixels]
+	/// @param[in] updateRate_Hz  The image grab rate [Hz]
+	/// @param[in] hyperion  The instance of Hyperion used to write the led values
+	///
+	OsxWrapper(const unsigned display, const unsigned grabWidth, const unsigned grabHeight, const unsigned updateRate_Hz, Hyperion * hyperion);
+
+	///
+	/// Destructor of this osx frame grabber. Releases any claimed resources.
+	///
+	virtual ~OsxWrapper();
+
+public slots:
+	///
+	/// Starts the grabber wich produces led values with the specified update rate
+	///
+	void start();
+
+	///
+	/// Performs a single frame grab and computes the led-colors
+	///
+	void action();
+
+	///
+	/// Stops the grabber
+	///
+	void stop();
+
+	///
+	/// Set the grabbing mode
+	/// @param[in] mode The new grabbing mode
+	///
+	void setGrabbingMode(const GrabbingMode mode);
+
+	///
+	/// Set the video mode (2D/3D)
+	/// @param[in] mode The new video mode
+	///
+	void setVideoMode(const VideoMode videoMode);
+
+private:
+	/// The update rate [Hz]
+	const int _updateInterval_ms;
+	/// The timeout of the led colors [ms]
+	const int _timeout_ms;
+	/// The priority of the led colors
+	const int _priority;
+
+	/// The timer for generating events with the specified update rate
+	QTimer _timer;
+
+	/// The image used for grabbing frames
+	Image<ColorRgb> _image;
+	/// The actual grabber
+	OsxFrameGrabber * _frameGrabber;
+	/// The processor for transforming images to led colors
+	ImageProcessor * _processor;
+
+	/// The list with computed led colors
+	std::vector<ColorRgb> _ledColors;
+
+	/// Pointer to Hyperion for writing led values
+	Hyperion * _hyperion;
+};

include/utils/PixelFormat.h

@@ -9,6 +9,8 @@
 enum PixelFormat {
 	PIXELFORMAT_YUYV,
 	PIXELFORMAT_UYVY,
+	PIXELFORMAT_BGR16,
+	PIXELFORMAT_BGR24,
     PIXELFORMAT_RGB32,
     PIXELFORMAT_BGR32,
     PIXELFORMAT_NO_CHANGE
@@ -27,6 +29,14 @@ inline PixelFormat parsePixelFormat(std::string pixelFormat)
 	{
 		return PIXELFORMAT_UYVY;
 	}
+    else if (pixelFormat == "bgr16")
+    {
+        return PIXELFORMAT_BGR16;
+    }
+    else if (pixelFormat == "bgr24")
+    {
+        return PIXELFORMAT_BGR24;
+    }
     else if (pixelFormat == "rgb32")
     {
         return PIXELFORMAT_RGB32;

libsrc/grabber/CMakeLists.txt

@@ -13,3 +13,7 @@ endif (ENABLE_V4L2)
 if (ENABLE_X11)
 	add_subdirectory(x11)
 endif()
+
+if (ENABLE_OSX)
+	add_subdirectory(osx)
+endif()

libsrc/grabber/framebuffer/FramebufferFrameGrabber.cpp

@@ -5,10 +5,8 @@
 #include <linux/fb.h>
 #include <sys/mman.h>
 #include <sys/ioctl.h>
-#include <math.h>
 
 // STL includes
-#include <cassert>
 #include <iostream>
 
 // Local includes
@@ -20,59 +18,48 @@ FramebufferFrameGrabber::FramebufferFrameGrabber(const std::string & device, con
 	_fbDevice(device),
 	_width(width),
 	_height(height),
-	_xScale(1),
+	_imgResampler(new ImageResampler())
-	_yScale(1)
 {
 	int result;
 	struct fb_var_screeninfo vinfo;
 
 	// Check if the framebuffer device can be opened and display the current resolution
 	_fbfd = open(_fbDevice.c_str(), O_RDONLY);
-	assert(_fbfd > 0);
+	if (_fbfd == 0)
-
+	{
-	// get variable screen information
+		std::cerr << "Error openning " << _fbDevice << std::endl;
-	result = ioctl (_fbfd, FBIOGET_VSCREENINFO, &vinfo);
+	}
-	assert(result == 0);
+	else 
-
+	{
-	std::cout << "Framebuffer opened with resolution: " << vinfo.xres << "x" << vinfo.yres << "@" << vinfo.bits_per_pixel << "bit" << std::endl;
+		// get variable screen information
-
+		result = ioctl (_fbfd, FBIOGET_VSCREENINFO, &vinfo);
-	close(_fbfd);
+		if (result != 0)
+		{
+			std::cerr << "Could not get screen information" << std::endl;
+		}
+		else
+		{
+			std::cout << "Framebuffer opened with resolution: " << vinfo.xres << "x" << vinfo.yres << "@" << vinfo.bits_per_pixel << "bit" << std::endl;			
+		}
+		close(_fbfd);
+	}
 }
 
 FramebufferFrameGrabber::~FramebufferFrameGrabber()
 {
+	delete _imgResampler;
 }
 
 void FramebufferFrameGrabber::setVideoMode(const VideoMode videoMode)
 {
-	switch (videoMode) {
+	_imgResampler->set3D(videoMode);
-	case VIDEO_3DSBS:
-		_xScale = 2;
-		_yScale = 1;
-		break;
-	case VIDEO_3DTAB:
-		_xScale = 1;
-		_yScale = 2;
-		break;
-	case VIDEO_2D:
-	default:
-		_xScale = 1;
-		_yScale = 1;
-		break;
-	}
 }
 
-void FramebufferFrameGrabber::grabFrame(Image<ColorRgba> & image)
+void FramebufferFrameGrabber::grabFrame(Image<ColorRgb> & image)
 {
 	struct fb_var_screeninfo vinfo;
-	unsigned capSize, px, py, index, bytesPerPixel;
+	unsigned capSize, bytesPerPixel;
-	float x_scale, y_scale;
+	PixelFormat pixelFormat;
-
-	/* resize the given image if needed */
-	if (image.width() != _width || image.height() != _height)
-	{
-		image.resize(_width, _height);
-	}
 
 	/* Open the framebuffer device */
 	_fbfd = open(_fbDevice.c_str(), O_RDONLY);
@@ -82,41 +69,37 @@ void FramebufferFrameGrabber::grabFrame(Image<ColorRgba> & image)
 
 	bytesPerPixel = vinfo.bits_per_pixel / 8;
 	capSize = vinfo.xres * vinfo.yres * bytesPerPixel;
-		
+	
+	if (vinfo.bits_per_pixel == 16)
+	{
+		pixelFormat = PIXELFORMAT_BGR16;
+	}
+	else if (vinfo.bits_per_pixel == 24)
+	{
+		pixelFormat = PIXELFORMAT_BGR24;
+	}	
+	else if (vinfo.bits_per_pixel == 32)
+	{
+		pixelFormat = PIXELFORMAT_BGR32;
+	}
+	else
+	{
+		std::cerr << "Unknown pixel format: " << vinfo.bits_per_pixel << " bits per pixel" << std::endl;
+		close(_fbfd);
+		return;
+	}
+			
 	/* map the device to memory */
 	_fbp = (unsigned char*)mmap(0, capSize, PROT_READ, MAP_PRIVATE | MAP_NORESERVE, _fbfd, 0);	
 
-	/* nearest neighbor downscaling */
+	_imgResampler->setHorizontalPixelDecimation(vinfo.xres/_width);
-    x_scale = (vinfo.xres / float(_xScale)) / float(_width);
+	_imgResampler->setVerticalPixelDecimation(vinfo.yres/_height);
-    y_scale = (vinfo.yres / float(_yScale)) / float(_height);
+	_imgResampler->processImage(_fbp,
-
+								vinfo.xres,
-	ColorRgba *pPixel = image.memptr();
+								vinfo.yres,
-	for (unsigned i=0; i < _height; i++) {
+								vinfo.xres * bytesPerPixel,
-		for (unsigned j=0; j < _width; j++) {
+								pixelFormat,
-			px = floor(j * x_scale);
+								image);
-			py = floor(i * y_scale);
-			index = (py * vinfo.xres + px) * bytesPerPixel;
-
-			if (vinfo.bits_per_pixel == 16) {
-				pPixel->blue = (_fbp[index] & 0x1f) << 3;
-				pPixel->green = (((_fbp[index + 1] & 0x7) << 3) | (_fbp[index] & 0xE0) >> 5) << 2;
-				pPixel->red = (_fbp[index + 1] & 0xF8);
-				pPixel->alpha = 255;
-			} else if(vinfo.bits_per_pixel == 24) {
-				pPixel->blue = _fbp[index];
-				pPixel->green = _fbp[index + 1];
-				pPixel->red = _fbp[index + 2];
-				pPixel->alpha = 255;
-			} else if(vinfo.bits_per_pixel == 32) {
-				pPixel->blue = _fbp[index];
-				pPixel->green = _fbp[index + 1];
-				pPixel->red = _fbp[index + 2];
-				pPixel->alpha = _fbp[index + 3];
-			}
-			
-			pPixel++;
-		}
-	}
 	
 	munmap(_fbp, capSize);
 	close(_fbfd);

libsrc/grabber/framebuffer/FramebufferFrameGrabber.h

@@ -2,8 +2,9 @@
 
 // Utils includes
 #include <utils/Image.h>
-#include <utils/ColorRgba.h>
+#include <utils/ColorRgb.h>
 #include <utils/VideoMode.h>
+#include <utils/ImageResampler.h>
 
 ///
 /// The FramebufferFrameGrabber is used for creating snapshots of the display (screenshots) 
@@ -35,7 +36,7 @@ public:
 	/// @param[out] image  The snapped screenshot (should be initialized with correct width and
 	/// height)
 	///
-	void grabFrame(Image<ColorRgba> & image);
+	void grabFrame(Image<ColorRgb> & image);
 
 private:
 	/// Framebuffer file descriptor
@@ -53,9 +54,6 @@ private:
 	/// Height of the captured snapshot [pixels]
 	const unsigned _height;
 
-	/// width scale factor for 3D image processing
+	/// Image resampler for downscaling the image
-	float _xScale;
+	ImageResampler * _imgResampler;
-	
-	/// height scale factor for 3D image processing
-	float _yScale;
 };

libsrc/grabber/osx/CMakeLists.txt

@@ -0,0 +1,30 @@
+# Define the current source locations
+SET(CURRENT_HEADER_DIR ${CMAKE_SOURCE_DIR}/include/grabber)
+SET(CURRENT_SOURCE_DIR ${CMAKE_SOURCE_DIR}/libsrc/grabber/osx)
+
+# Group the headers that go through the MOC compiler
+SET(OsxGrabberQT_HEADERS
+		${CURRENT_HEADER_DIR}/OsxWrapper.h
+)
+
+SET(OsxGrabberHEADERS
+		${CURRENT_SOURCE_DIR}/OsxFrameGrabber.h
+)
+
+SET(OsxGrabberSOURCES
+		${CURRENT_SOURCE_DIR}/OsxWrapper.cpp
+		${CURRENT_SOURCE_DIR}/OsxFrameGrabber.cpp
+)
+
+QT4_WRAP_CPP(OsxGrabberHEADERS_MOC ${OsxGrabberQT_HEADERS})
+
+add_library(osx-grabber
+		${OsxGrabberHEADERS}
+		${OsxGrabberQT_HEADERS}
+		${OsxGrabberHEADERS_MOC}
+		${OsxGrabberSOURCES}
+)
+
+target_link_libraries(osx-grabber
+		hyperion
+		${QT_LIBRARIES})

libsrc/grabber/osx/OsxFrameGrabber.cpp

@@ -0,0 +1,82 @@
+// STL includes
+#include <cassert>
+#include <iostream>
+
+// Local includes
+#include "OsxFrameGrabber.h"
+
+OsxFrameGrabber::OsxFrameGrabber(const unsigned display, const unsigned width, const unsigned height) :
+	_screenIndex(display),
+	_width(width),
+	_height(height),
+	_imgResampler(new ImageResampler())
+{
+	CGImageRef image;
+	CGDisplayCount displayCount;
+	CGDirectDisplayID displays[8];
+
+	// get list of displays
+	CGGetActiveDisplayList(8, displays, &displayCount);
+	if (_screenIndex + 1 > displayCount)
+	{
+		std::cerr << "OSX display with index " << _screenIndex << " is not available. Using main display" << std::endl;
+		_display = kCGDirectMainDisplay;
+	} else {
+		_display = displays[_screenIndex];
+	}
+		
+	image = CGDisplayCreateImage(_display);
+	assert(image != NULL);
+
+	std::cout << "OSX display opened with resolution: " << CGImageGetWidth(image) << "x" << CGImageGetHeight(image) << "@" << CGImageGetBitsPerPixel(image) << "bit" << std::endl;
+
+	CGImageRelease(image);
+}
+
+OsxFrameGrabber::~OsxFrameGrabber()
+{
+	delete _imgResampler;
+}
+
+void OsxFrameGrabber::setVideoMode(const VideoMode videoMode)
+{
+	_imgResampler->set3D(videoMode);
+}
+
+void OsxFrameGrabber::grabFrame(Image<ColorRgb> & image)
+{
+	CGImageRef dispImage;
+	CFDataRef imgData;
+	unsigned char * pImgData;	
+	unsigned dspWidth, dspHeight;
+	
+	dispImage = CGDisplayCreateImage(_display);
+	
+	// dsiplay lost, use main
+	if (dispImage == NULL && _display)
+	{
+		dispImage = CGDisplayCreateImage(kCGDirectMainDisplay);
+		// no displays connected, return
+		if (dispImage == NULL)
+		{
+			std::cerr << "OSX no display connected..." << std::endl;
+			return;
+		}
+	}
+	imgData = CGDataProviderCopyData(CGImageGetDataProvider(dispImage));
+	pImgData = (unsigned char*) CFDataGetBytePtr(imgData);
+	dspWidth = CGImageGetWidth(dispImage);
+	dspHeight = CGImageGetHeight(dispImage);
+	
+	_imgResampler->setHorizontalPixelDecimation(dspWidth/_width);
+	_imgResampler->setVerticalPixelDecimation(dspHeight/_height);
+	_imgResampler->processImage( pImgData,
+								dspWidth,
+								dspHeight,
+								CGImageGetBytesPerRow(dispImage),
+								PIXELFORMAT_BGR32,
+								image);
+	
+	CFRelease(imgData);
+	CGImageRelease(dispImage);
+}

libsrc/grabber/osx/OsxFrameGrabber.h

@@ -0,0 +1,59 @@
+#pragma once
+
+// OSX includes
+#include <CoreGraphics/CoreGraphics.h>
+
+// Utils includes
+#include <utils/Image.h>
+#include <utils/ColorRgb.h>
+#include <utils/VideoMode.h>
+#include <utils/ImageResampler.h>
+
+///
+/// The OsxFrameGrabber is used for creating snapshots of the display (screenshots) 
+///
+class OsxFrameGrabber
+{
+public:
+	///
+	/// Construct a OsxFrameGrabber that will capture snapshots with specified dimensions.
+	///
+	/// @param[in] display The index of the display to capture
+	/// @param[in] width  The width of the captured screenshot
+	/// @param[in] height The heigth of the captured screenshot
+	///
+	OsxFrameGrabber(const unsigned display, const unsigned width, const unsigned height);
+	~OsxFrameGrabber();
+
+	///
+	/// Set the video mode (2D/3D)
+	/// @param[in] mode The new video mode
+	///
+	void setVideoMode(const VideoMode videoMode);
+
+	///
+	/// Captures a single snapshot of the display and writes the data to the given image. The
+	/// provided image should have the same dimensions as the configured values (_width and
+	/// _height)
+	///
+	/// @param[out] image  The snapped screenshot (should be initialized with correct width and
+	/// height)
+	///
+	void grabFrame(Image<ColorRgb> & image);
+
+private:	
+	/// display
+	const unsigned _screenIndex;
+	
+	/// With of the captured snapshot [pixels]
+	const unsigned _width;
+	
+	/// Height of the captured snapshot [pixels]
+	const unsigned _height;
+	
+	/// Reference to the captured diaplay
+	CGDirectDisplayID _display;
+	
+	/// Image resampler for downscaling the image
+	ImageResampler * _imgResampler;
+};

libsrc/grabber/osx/OsxWrapper.cpp

@@ -0,0 +1,79 @@
+// Hyperion includes
+#include <hyperion/Hyperion.h>
+#include <hyperion/ImageProcessorFactory.h>
+#include <hyperion/ImageProcessor.h>
+
+// Osx grabber includes
+#include <grabber/OsxWrapper.h>
+#include "OsxFrameGrabber.h"
+
+OsxWrapper::OsxWrapper(const unsigned display, const unsigned grabWidth, const unsigned grabHeight, const unsigned updateRate_Hz, Hyperion * hyperion) :
+	_updateInterval_ms(1000/updateRate_Hz),
+	_timeout_ms(2 * _updateInterval_ms),
+	_priority(1000),
+	_timer(),
+	_image(grabWidth, grabHeight),
+	_frameGrabber(new OsxFrameGrabber(display, grabWidth, grabHeight)),
+	_processor(ImageProcessorFactory::getInstance().newImageProcessor()),
+	_ledColors(hyperion->getLedCount(), ColorRgb{0,0,0}),
+	_hyperion(hyperion)
+{
+	// Configure the timer to generate events every n milliseconds
+	_timer.setInterval(_updateInterval_ms);
+	_timer.setSingleShot(false);
+
+	_processor->setSize(grabWidth, grabHeight);
+
+	// Connect the QTimer to this
+	QObject::connect(&_timer, SIGNAL(timeout()), this, SLOT(action()));
+}
+
+OsxWrapper::~OsxWrapper()
+{
+	// Cleanup used resources (ImageProcessor and FrameGrabber)
+	delete _processor;
+	delete _frameGrabber;
+}
+
+void OsxWrapper::start()
+{
+	// Start the timer with the pre configured interval
+	_timer.start();
+}
+
+void OsxWrapper::action()
+{
+	// Grab frame into the allocated image
+	_frameGrabber->grabFrame(_image);
+
+	_processor->process(_image, _ledColors);
+
+	_hyperion->setColors(_priority, _ledColors, _timeout_ms);
+}
+void OsxWrapper::stop()
+{
+	// Stop the timer, effectivly stopping the process
+	_timer.stop();
+}
+
+void OsxWrapper::setGrabbingMode(const GrabbingMode mode)
+{
+	switch (mode)
+	{
+	case GRABBINGMODE_VIDEO:
+	case GRABBINGMODE_AUDIO:
+	case GRABBINGMODE_PHOTO:
+	case GRABBINGMODE_MENU:
+	case GRABBINGMODE_INVALID:
+		start();
+		break;
+	case GRABBINGMODE_OFF:
+		stop();
+		break;
+	}
+}
+
+void OsxWrapper::setVideoMode(const VideoMode mode)
+{
+	_frameGrabber->setVideoMode(mode);
+}

libsrc/leddevice/LedDeviceTpm2.cpp

@@ -4,10 +4,6 @@
 #include <cstdio>
 #include <iostream>
 
-// Linux includes
-#include <fcntl.h>
-#include <sys/ioctl.h>
-
 // hyperion local includes
 #include "LedDeviceTpm2.h"
 

libsrc/leddevice/LedRs232Device.cpp

@@ -1,7 +1,6 @@
 
 // STL includes
 #include <cstring>
-#include <cstdio>
 #include <iostream>
 
 // Qt includes

libsrc/utils/ImageResampler.cpp

@@ -91,6 +91,22 @@ void ImageResampler::processImage(const uint8_t * data, int width, int height, i
 					yuv2rgb(y, u, v, rgb.red, rgb.green, rgb.blue);
 				}
 				break;
+            case PIXELFORMAT_BGR16:
+                {
+                    int index = lineLength * ySource + xSource * 2;
+                    rgb.blue  = (data[index] & 0x1f) << 3;
+                    rgb.green = (((data[index+1] & 0x7) << 3) | (data[index] & 0xE0) >> 5) << 2;
+                    rgb.red   = (data[index+1] & 0xF8);
+                }
+                break;
+            case PIXELFORMAT_BGR24:
+                {
+                    int index = lineLength * ySource + xSource * 3;
+                    rgb.blue  = data[index  ];
+                    rgb.green = data[index+1];
+                    rgb.red   = data[index+2];
+                }
+                break;
             case PIXELFORMAT_RGB32:
                 {
                     int index = lineLength * ySource + xSource * 4;

src/hyperiond/CMakeLists.txt

@@ -18,6 +18,10 @@ if (ENABLE_FB)
 	target_link_libraries(hyperiond framebuffer-grabber)
 endif (ENABLE_FB)
 
+if (ENABLE_OSX)
+	target_link_libraries(hyperiond osx-grabber)
+endif (ENABLE_OSX)
+
 if (ENABLE_V4L2)
 	target_link_libraries(hyperiond v4l2-grabber)
 endif (ENABLE_V4L2)

src/hyperiond/hyperiond.cpp

@@ -31,6 +31,11 @@
 #include <grabber/FramebufferWrapper.h>
 #endif
 
+#ifdef ENABLE_OSX
+// OSX grabber includes
+#include <grabber/OsxWrapper.h>
+#endif
+
 // XBMC Video checker includes
 #include <xbmcvideochecker/XBMCVideoChecker.h>
 
@@ -187,7 +192,7 @@ int main(int argc, char** argv)
 		std::cout << "Frame grabber created and started" << std::endl;
 	}
 #else
-#ifndef ENABLE_FB
+#if !defined(ENABLE_OSX) && !defined(ENABLE_FB)
 	if (config.isMember("framegrabber"))
 	{
 		std::cerr << "The dispmanx framegrabber can not be instantiated, becuse it has been left out from the build" << std::endl;
@@ -238,7 +243,6 @@ int main(int argc, char** argv)
 	if (config.isMember("framegrabber"))
 	{
 		const Json::Value & grabberConfig = config["framegrabber"];
-		// TODO get device from config
 		fbGrabber = new FramebufferWrapper(
 			grabberConfig.get("device", "/dev/fb0").asString(),
 			grabberConfig["width"].asUInt(),
@@ -256,13 +260,44 @@ int main(int argc, char** argv)
 		std::cout << "Framebuffer grabber created and started" << std::endl;
 	}
 #else
-#ifndef ENABLE_DISPMANX
+#if !defined(ENABLE_DISPMANX) && !defined(ENABLE_OSX)
 	if (config.isMember("framegrabber"))
 	{
 		std::cerr << "The framebuffer grabber can not be instantiated, becuse it has been left out from the build" << std::endl;
 	}
 #endif
-#endif	
+#endif
+    
+#ifdef ENABLE_OSX
+    // Construct and start the osx grabber if the configuration is present
+    OsxWrapper * osxGrabber = nullptr;
+    if (config.isMember("framegrabber"))
+    {
+        const Json::Value & grabberConfig = config["framegrabber"];
+        osxGrabber = new OsxWrapper(
+                                           grabberConfig.get("display", 0).asUInt(),
+                                           grabberConfig["width"].asUInt(),
+                                           grabberConfig["height"].asUInt(),
+                                           grabberConfig["frequency_Hz"].asUInt(),
+                                           &hyperion);
+        
+        if (xbmcVideoChecker != nullptr)
+        {
+            QObject::connect(xbmcVideoChecker, SIGNAL(grabbingMode(GrabbingMode)), osxGrabber, SLOT(setGrabbingMode(GrabbingMode)));
+            QObject::connect(xbmcVideoChecker, SIGNAL(videoMode(VideoMode)), osxGrabber, SLOT(setVideoMode(VideoMode)));
+        }
+        
+        osxGrabber->start();
+        std::cout << "OSX grabber created and started" << std::endl;
+    }
+#else
+#if !defined(ENABLE_DISPMANX) && !defined(ENABLE_FB)
+    if (config.isMember("framegrabber"))
+    {
+        std::cerr << "The osx grabber can not be instantiated, becuse it has been left out from the build" << std::endl;
+    }
+#endif
+#endif
 
 	// Create Json server if configuration is present
 	JsonServer * jsonServer = nullptr;
@@ -304,6 +339,9 @@ int main(int argc, char** argv)
 #ifdef ENABLE_FB
 	delete fbGrabber;
 #endif
+#ifdef ENABLE_OSX
+    delete osxGrabber;
+#endif
 #ifdef ENABLE_V4L2
 	delete v4l2Grabber;
 #endif