Added tool to create screenshot for amlogic grabber

Former-commit-id: d403deab3f931d01bec97b726d8e70b73d3a0012

src/CMakeLists.txt

@@ -3,6 +3,9 @@ add_subdirectory(hyperion-remote)
 
 # The following clients depend on the protobuf library
 if(ENABLE_PROTOBUF)
+	if (ENABLE_AMLOGIC)
+		add_subdirectory(hyperion-aml)
+	endif()
 	# Add the 'Video 4 Linux' grabber if it is enabled
 	if(ENABLE_V4L2)
 		add_subdirectory(hyperion-v4l2)

src/hyperion-aml/CMakeLists.txt

@@ -0,0 +1,46 @@
+# Configure minimum CMAKE version
+cmake_minimum_required(VERSION 2.8)
+
+# Set the project name
+project(hyperion-aml)
+
+# find Qt4
+find_package(Qt4 REQUIRED QtCore QtGui QtNetwork)
+
+include_directories(
+	${CMAKE_CURRENT_BINARY_DIR}/../../libsrc/protoserver
+	${QT_INCLUDES}
+	${PROTOBUF_INCLUDE_DIRS}
+)
+
+set(Hyperion_AML_QT_HEADERS
+)
+
+set(Hyperion_AML_HEADERS
+)
+
+set(Hyperion_AML_SOURCES
+	hyperion-aml.cpp
+)
+
+QT4_WRAP_CPP(Hyperion_AML_HEADERS_MOC ${Hyperion_AML_QT_HEADERS})
+
+add_executable(hyperion-amlogic
+	${Hyperion_AML_HEADERS}
+	${Hyperion_AML_SOURCES}
+	${Hyperion_AML_HEADERS_MOC}
+)
+
+target_link_libraries(hyperion-amlogic
+	getoptPlusPlus
+	blackborder
+	hyperion-utils
+	protoserver
+	amlogic-grabber
+	pthread
+)
+
+qt4_use_modules(hyperion-amlogic
+	Core
+	Gui
+	Network)

src/hyperion-aml/hyperion-aml.cpp

@@ -0,0 +1,80 @@
+
+
+// QT includes
+#include <QCoreApplication>
+#include <QImage>
+
+// getoptPlusPLus includes
+#include <getoptPlusPlus/getoptpp.h>
+
+#include "../../libsrc/grabber/amlogic/AmlogicGrabber.h"
+
+using namespace vlofgren;
+
+// save the image as screenshot
+void saveScreenshot(const char * filename, const Image<ColorRgb> & image)
+{
+    // store as PNG
+    QImage pngImage((const uint8_t *) image.memptr(), image.width(), image.height(), 3*image.width(), QImage::Format_RGB888);
+    pngImage.save(filename);
+}
+
+int main(int argc, char ** argv)
+{
+	QCoreApplication app(argc, argv);
+
+	try
+	{
+		// create the option parser and initialize all parameters
+		OptionsParser optionParser("X11 capture application for Hyperion");
+		ParameterSet & parameters = optionParser.getParameters();
+
+		//IntParameter           & argFps             = parameters.add<IntParameter>          ('f', "framerate",        "Capture frame rate [default=10]");
+		IntParameter           & argWidth           = parameters.add<IntParameter>          (0x0, "width",       "Width of the captured image [default=128]");
+		IntParameter           & argHeight          = parameters.add<IntParameter>          (0x0, "height",      "Height of the captured image [default=128]");
+		SwitchParameter<>      & argScreenshot      = parameters.add<SwitchParameter<>>     (0x0, "screenshot",       "Take a single screenshot, save it to file and quit");
+		StringParameter        & argAddress         = parameters.add<StringParameter>       ('a', "address",          "Set the address of the hyperion server [default: 127.0.0.1:19445]");
+		IntParameter           & argPriority        = parameters.add<IntParameter>          ('p', "priority",         "Use the provided priority channel (the lower the number, the higher the priority) [default: 800]");
+		//SwitchParameter<>      & argSkipReply       = parameters.add<SwitchParameter<>>     (0x0, "skip-reply",       "Do not receive and check reply messages from Hyperion");
+		SwitchParameter<>      & argHelp            = parameters.add<SwitchParameter<>>     ('h', "help",             "Show this help message and exit");
+
+		// set defaults
+		argWidth.setDefault(64);
+		argHeight.setDefault(64);
+		argAddress.setDefault("127.0.0.1:19445");
+		argPriority.setDefault(800);
+		
+		// parse all options
+		optionParser.parse(argc, const_cast<const char **>(argv));
+
+		// check if we need to display the usage. exit if we do.
+		if (argHelp.isSet())
+		{
+			optionParser.usage();
+			return 0;
+		}
+
+		if (argScreenshot.isSet())
+		{
+			// Create the grabber
+			AmlogicGrabber amlGrabber(argWidth.getValue(), argHeight.getValue());
+			
+			// Capture a single screenshot and finish
+			Image<ColorRgb> screenshot;
+			amlGrabber.grabFrame(screenshot);
+			saveScreenshot("screenshot.png", screenshot);
+		}
+		else
+		{
+			// TODO[TvdZ]: Implement the proto-client mechanisme
+		}
+
+	}
+	catch (const std::runtime_error & e)
+	{
+		// An error occured. Display error and quit
+		std::cerr << e.what() << std::endl;
+		return -1;
+	}
+	return 0;
+}