Threading and more

- webui remove restarts - threading for LedDevice
2025-03-01 10:33:28 +00:00 · 2019-01-01 19:47:07 +01:00
parent 7b6df922ea
commit 7352ff4d42
24 changed files with 482 additions and 282 deletions
--- a/assets/webconfig/js/content_index.js
+++ b/assets/webconfig/js/content_index.js
@@ -1,5 +1,4 @@
 $(document).ready( function() {
-	var uiLock = false;

 	loadContentTo("#container_connection_lost","connection_lost");
 	loadContentTo("#container_restart","restart");
@@ -7,42 +6,26 @@ $(document).ready( function() {

 	$(hyperion).on("cmd-serverinfo",function(event){
 		serverInfo = event.response.info;
-		// protect components from serverinfo updates
-		if(!compsInited)
-		{
-			comps = event.response.info.components
-			compsInited = true;
-		}
+		// comps
+		comps = event.response.info.components

-		if(!priosInited)
-		{
-			priosInited = true;
-		}
 		$(hyperion).trigger("ready");

-		if (serverInfo.hyperion.config_modified)
-			$("#hyperion_reload_notify").fadeIn("fast");
-		else
-			$("#hyperion_reload_notify").fadeOut("fast");
+		comps.forEach( function(obj) {
+			if (obj.name == "ALL")
+			{
+				if(obj.enabled)
+					$("#hyperion_disabled_notify").fadeOut("fast");
+				else
+					$("#hyperion_disabled_notify").fadeIn("fast");
+			}
+		});

 		if (serverInfo.hyperion.enabled)
 			$("#hyperion_disabled_notify").fadeOut("fast");
 		else
 			$("#hyperion_disabled_notify").fadeIn("fast");

-		if (!serverInfo.hyperion.config_writeable)
-		{
-			showInfoDialog('uilock',$.i18n('InfoDialog_nowrite_title'),$.i18n('InfoDialog_nowrite_text'));
-			$('#wrapper').toggle(false);
-			uiLock = true;
-		}
-		else if (uiLock)
-		{
-			$("#modal_dialog").modal('hide');
-			$('#wrapper').toggle(true);
-			uiLock = false;
-		}
-
 		updateSessions();
 	}); // end cmd-serverinfo

@@ -51,21 +34,21 @@ $(document).ready( function() {
 		updateSessions();
 	});

-	$(hyperion).one("cmd-sysinfo", function(event) {
+	$(hyperion).on("cmd-sysinfo", function(event) {
 		requestServerInfo();
 		sysInfo = event.response.info;

 		currentVersion = sysInfo.hyperion.version;
 	});

-	$(hyperion).one("cmd-config-getschema", function(event) {
+	$(hyperion).on("cmd-config-getschema", function(event) {
 		serverSchema = event.response.info;
 		requestServerConfig();

 		schema = serverSchema.properties;
 	});

-	$(hyperion).one("cmd-config-getconfig", function(event) {
+	$(hyperion).on("cmd-config-getconfig", function(event) {
 		serverConfig = event.response.info;
 		requestSysInfo();

@@ -80,7 +63,7 @@ $(document).ready( function() {
 		requestServerConfigSchema();
 	});

-	$(hyperion).one("ready", function(event) {
+	$(hyperion).on("ready", function(event) {
 		loadContent();
 	});

@@ -98,7 +81,7 @@ $(document).ready( function() {
 		// notfication in index
 		if (obj.name == "ALL")
 		{
-			if(obj.enable)
+			if(obj.enabled)
 				$("#hyperion_disabled_notify").fadeOut("fast");
 			else
 				$("#hyperion_disabled_notify").fadeIn("fast");
@@ -117,10 +100,6 @@ $(document).ready( function() {
 		serverInfo.effects = event.response.data.effects
 	});

-	$("#btn_hyperion_reload").on("click", function(){
-		initRestart();
-	});
-
 	$(".mnava").bind('click.menu', function(e){
 		loadContent(e);
 		window.scrollTo(0, 0);
--- a/assets/webconfig/js/content_remote.js
+++ b/assets/webconfig/js/content_remote.js
@@ -203,6 +203,14 @@ $(document).ready(function() {
 	function updateComponents()
 	{
 		components = comps;
+		var hyperionEnabled = true;
+		components.forEach( function(obj) {
+			if (obj.name == "ALL")
+			{
+				hyperionEnabled = obj.enabled
+			}
+		});
+
 		// create buttons
 		$('#componentsbutton').html("");
 		for ( idx=0; idx<components.length;idx++)
@@ -214,7 +222,7 @@ $(document).ready(function() {
 			enable_icon  = (components[idx].enabled? "fa-play" : "fa-stop");
 			comp_name    = components[idx].name;
 			comp_btn_id  = "comp_btn_"+comp_name;
-			comp_goff	 = serverInfo.hyperion.enabled? "enabled" : "disabled";
+			comp_goff	 = hyperionEnabled? "enabled" : "disabled";

 			// create btn if not there
 			if ($("#"+comp_btn_id).length == 0)
--- a/assets/webconfig/js/hyperion.js
+++ b/assets/webconfig/js/hyperion.js
@@ -25,14 +25,8 @@ var wSess = [];
 var plugins_installed = {};
 var plugins_available = {};

-//comps serverinfo lock
+//comps serverinfo
 comps = [];
-compsInited = false;
-
-// prios serverinfo lock
-priosInited = false;
-// token list
-tokenList = {}

 function initRestart()
 {
--- a/assets/webconfig/js/ui_utils.js
+++ b/assets/webconfig/js/ui_utils.js
@@ -91,7 +91,7 @@ function getHashtag()
 	}
 }

-function loadContent(event)
+function loadContent(event, forceRefresh)
 {
 	var tag;

@@ -104,7 +104,7 @@ function loadContent(event)
 	else
 		tag = getHashtag();

-	if(prevTag != tag)
+	if(forceRefresh || prevTag != tag)
 	{
 		prevTag = tag;
 		$("#page-content").off();
--- a/assets/webconfig/js/wizard.js
+++ b/assets/webconfig/js/wizard.js
@@ -58,7 +58,7 @@
 		$('#wizp2_body').append('<div class="form-group"><label>'+$.i18n('wiz_rgb_switchevery')+'</label><div class="input-group" style="width:100px"><select id="wiz_switchtime_select" class="form-control"></select><div class="input-group-addon">'+$.i18n('edt_append_s')+'</div></div></div>');
 		$('#wizp2_body').append('<canvas id="wiz_canv_color" width="100" height="100" style="border-radius:60px;background-color:red; display:block; margin: 10px 0;border:4px solid grey;"></canvas><label>'+$.i18n('wiz_rgb_q')+'</label>');
 		$('#wizp2_body').append('<table class="table borderless" style="width:200px"><tbody><tr><td class="ltd"><label>'+$.i18n('wiz_rgb_qrend')+'</label></td><td class="itd"><select id="wiz_r_select" class="form-control wselect"></select></td></tr><tr><td class="ltd"><label>'+$.i18n('wiz_rgb_qgend')+'</label></td><td class="itd"><select id="wiz_g_select" class="form-control wselect"></select></td></tr></tbody></table>');
-		$('#wizp2_footer').html('<button type="button" class="btn btn-primary" id="btn_wiz_save"><i class="fa fa-fw fa-save"></i>'+$.i18n('general_btn_saverestart')+'</button><button type="button" class="btn btn-primary" id="btn_wiz_checkok" style="display:none" data-dismiss="modal"><i class="fa fa-fw fa-check"></i>'+$.i18n('general_btn_ok')+'</button><button type="button" class="btn btn-danger" id="btn_wiz_abort"><i class="fa fa-fw fa-close"></i>'+$.i18n('general_btn_cancel')+'</button>')
+		$('#wizp2_footer').html('<button type="button" class="btn btn-primary" id="btn_wiz_save"><i class="fa fa-fw fa-save"></i>'+$.i18n('general_btn_save')+'</button><button type="button" class="btn btn-primary" id="btn_wiz_checkok" style="display:none" data-dismiss="modal"><i class="fa fa-fw fa-check"></i>'+$.i18n('general_btn_ok')+'</button><button type="button" class="btn btn-danger" id="btn_wiz_abort"><i class="fa fa-fw fa-close"></i>'+$.i18n('general_btn_cancel')+'</button>')

 		//open modal
 		$("#wizard_modal").modal({
@@ -155,7 +155,6 @@
 			resetWizard();
 			serverConfig.device.colorOrder = new_rgb_order;
 			requestWriteConfig({"device" : serverConfig.device});
-			setTimeout(initRestart, 100);
 		});
 	}

@@ -416,7 +415,7 @@
 		$('#wizp1_body').html('<h4 style="font-weight:bold;text-transform:uppercase;">'+$.i18n('wiz_cc_title')+'</h4><p>'+$.i18n('wiz_cc_intro1')+'</p><label>'+$.i18n('wiz_cc_kwebs')+'</label><input class="form-control" style="width:170px;margin:auto" id="wiz_cc_kodiip" type="text" placeholder="'+kodiAddress+'" value="'+kodiAddress+'" /><span id="kodi_status"></span><span id="multi_cali"></span>');
 		$('#wizp1_footer').html('<button type="button" class="btn btn-primary" id="btn_wiz_cont" disabled="disabled"><i class="fa fa-fw fa-check"></i>'+$.i18n('general_btn_continue')+'</button><button type="button" class="btn btn-danger" data-dismiss="modal"><i class="fa fa-fw fa-close"></i>'+$.i18n('general_btn_cancel')+'</button>');
 		$('#wizp2_body').html('<div id="wiz_cc_desc" style="font-weight:bold"></div><div id="editor_container_wiz"></div>');
-		$('#wizp2_footer').html('<button type="button" class="btn btn-primary" id="btn_wiz_back"><i class="fa fa-fw fa-chevron-left"></i>'+$.i18n('general_btn_back')+'</button><button type="button" class="btn btn-primary" id="btn_wiz_next">'+$.i18n('general_btn_next')+'<i style="margin-left:4px;"class="fa fa-fw fa-chevron-right"></i></button><button type="button" class="btn btn-warning" id="btn_wiz_save" style="display:none"><i class="fa fa-fw fa-save"></i>'+$.i18n('general_btn_saverestart')+'</button><button type="button" class="btn btn-danger" id="btn_wiz_abort"><i class="fa fa-fw fa-close"></i>'+$.i18n('general_btn_cancel')+'</button>')
+		$('#wizp2_footer').html('<button type="button" class="btn btn-primary" id="btn_wiz_back"><i class="fa fa-fw fa-chevron-left"></i>'+$.i18n('general_btn_back')+'</button><button type="button" class="btn btn-primary" id="btn_wiz_next">'+$.i18n('general_btn_next')+'<i style="margin-left:4px;"class="fa fa-fw fa-chevron-right"></i></button><button type="button" class="btn btn-warning" id="btn_wiz_save" style="display:none"><i class="fa fa-fw fa-save"></i>'+$.i18n('general_btn_save')+'</button><button type="button" class="btn btn-danger" id="btn_wiz_abort"><i class="fa fa-fw fa-close"></i>'+$.i18n('general_btn_cancel')+'</button>')

 		//open modal
 		$("#wizard_modal").modal({
@@ -500,7 +499,6 @@
 		$('#btn_wiz_save').off().on('click',function() {
 			requestWriteConfig(wiz_editor.getValue());
 			resetWizard();
-			setTimeout(initRestart, 200);
 		});

 		wiz_editor.on("change", function(e){
@@ -538,7 +536,7 @@
 		$('#wizp2_body').append('<div id="hue_ids_t" style="display:none"><p style="font-weight:bold">'+$.i18n('wiz_hue_desc2')+'</p></div>');
 		createTable("lidsh", "lidsb", "hue_ids_t");
 		$('.lidsh').append(createTableRow([$.i18n('edt_dev_spec_lightid_title'),$.i18n('wiz_hue_pos'),$.i18n('wiz_hue_ident')], true));
-		$('#wizp2_footer').html('<button type="button" class="btn btn-primary" id="btn_wiz_save" style="display:none"><i class="fa fa-fw fa-save"></i>'+$.i18n('general_btn_saverestart')+'</button><button type="button" class="btn btn-danger" id="btn_wiz_abort"><i class="fa fa-fw fa-close"></i>'+$.i18n('general_btn_cancel')+'</button>');
+		$('#wizp2_footer').html('<button type="button" class="btn btn-primary" id="btn_wiz_save" style="display:none"><i class="fa fa-fw fa-save"></i>'+$.i18n('general_btn_save')+'</button><button type="button" class="btn btn-danger" id="btn_wiz_abort"><i class="fa fa-fw fa-close"></i>'+$.i18n('general_btn_cancel')+'</button>');
 		$('#wizp3_body').html('<span>'+$.i18n('wiz_hue_press_link')+'</span> <br /><br /><center><span id="connectionTime"></span><br /><i class="fa fa-cog fa-spin" style="font-size:100px"></i></center>');

 		//open modal
@@ -751,7 +749,7 @@
 			serverConfig.smoothing.enable = false;

 			requestWriteConfig(serverConfig, true);
-			setTimeout(initRestart,200);
+			resetWizard();
 		});

 		$('#btn_wiz_abort').off().on('click', resetWizard);
--- a/include/hyperion/GrabberWrapper.h
+++ b/include/hyperion/GrabberWrapper.h
@@ -14,7 +14,7 @@
 #include <utils/settings.h>

 class Grabber;
-class DispmanxFrameGrabber;
+class GlobalSignals;
 class QTimer;

 ///
@@ -60,7 +60,6 @@ public:
 		return false;
 	}

-
 public slots:
 	///
 	/// virtual method, should perform single frame grab and computes the led-colors
--- a/include/hyperion/Hyperion.h
+++ b/include/hyperion/Hyperion.h
@@ -5,7 +5,7 @@
 #include <QMap>

 // QT includes
-#include <QObject>
+//#include <QObject>
 #include <QString>
 #include <QStringList>
 #include <QSize>
@@ -37,11 +37,9 @@

 // Forward class declaration
 class QTimer;
-
 class HyperionDaemon;
 class ImageProcessor;
 class MessageForwarder;
-class LedDevice;
 class LinearColorSmoothing;
 class EffectEngine;
 class MultiColorAdjustment;
@@ -50,6 +48,7 @@ class SettingsManager;
 class BGEffectHandler;
 class CaptureCont;
 class BoblightServer;
+class LedDeviceWrapper;

 ///
 /// The main class of Hyperion. This gives other 'users' access to the attached LedDevice through
@@ -228,6 +227,13 @@ public:
 	/// @return the state
 	bool sourceAutoSelectEnabled();

+	///
+	/// @brief Called from components to update their current state. DO NOT CALL FROM USERS
+	/// @param[in] component The component from enum
+	/// @param[in] state The state of the component [true | false]
+	///
+	void setNewComponentState(const hyperion::Components& component, const bool& state);
+
 	///
 	/// @brief Enable/Disable components during runtime, called from external API (requests)
 	///
@@ -432,13 +438,9 @@ signals:
 	void effectListUpdated();

 	///
-	/// @brief systemImage from the parent HyperionDaemon SystemCapture
+	/// @brief Emits whenever new data should be pushed to the LedDeviceWrapper which forwards it to the threaded LedDevice
 	///
-	void systemImage(const Image<ColorRgb>& image);
-	///
-	/// @brief v4lImage from the parent HyperionDaemon V4lCapture
-	///
-	void v4lImage(const Image<ColorRgb> & image);
+	void ledDeviceData(const std::vector<ColorRgb>& ledValues);

 	///
 	/// @brief Emits whenever new untransformed ledColos data is available, reflects the current visible device
@@ -504,8 +506,8 @@ private:
 	/// The adjustment from raw colors to led colors
 	MultiColorAdjustment * _raw2ledAdjustment;

-	/// The actual LedDevice
-	LedDevice * _device;
+	/// The actual LedDeviceWrapper
+	LedDeviceWrapper* _ledDeviceWrapper;

 	/// The smoothing LedDevice
 	LinearColorSmoothing * _deviceSmooth;
@@ -513,7 +515,7 @@ private:
 	/// Effect engine
 	EffectEngine * _effectEngine;

-	// proto and json Message forwarder
+	// Message forwarder
 	MessageForwarder * _messageForwarder;

 	/// the name of config file
--- a/include/leddevice/LedDevice.h
+++ b/include/leddevice/LedDevice.h
@@ -34,11 +34,8 @@ class LedDevice : public QObject
 	Q_OBJECT

 public:
-	LedDevice();
-	///
-	/// Empty virtual destructor for pure virtual base class
-	///
-	virtual ~LedDevice() {}
+	LedDevice(const QJsonObject& config = QJsonObject(), QObject* parent = nullptr);
+	virtual ~LedDevice();

 	/// Switch the leds off (led hardware disable)
 	virtual int switchOff();
@@ -48,33 +45,38 @@ public:

 	virtual int setLedValues(const std::vector<ColorRgb>& ledValues);

-	///
-	/// Opens and configures the output device
-	///
-	/// @return Zero on succes else negative
-	///
-	virtual int open();
-
 	///
 	/// @brief Get color order of device
 	/// @return The color order
 	///
 	const QString & getColorOrder() { return _colorOrder; };

-	static int addToDeviceMap(QString name, LedDeviceCreateFuncType funcPtr);
-	static const LedDeviceRegistry& getDeviceMap();
 	void setActiveDevice(QString dev);
 	const QString & getActiveDevice() { return _activeDevice; };
-	static QJsonObject getLedDeviceSchemas();
 	void setLedCount(int ledCount);
 	int  getLedCount() { return _ledCount; }

 	void setEnable(bool enable);
 	bool enabled() { return _enabled; };
-	int getLatchTime() { return _latchTime_ms; };
+	const int getLatchTime() { return _latchTime_ms; };

 	inline bool componentState() { return enabled(); };

+public slots:
+	///
+	/// Is called on thread start, all construction tasks and init should run here
+	///
+	virtual void start() { _deviceReady = open(); };
+
+	///
+	/// Writes the RGB-Color values to the leds.
+	///
+	/// @param[in] ledValues  The RGB-color per led
+	///
+	/// @return Zero on success else negative
+	///
+	virtual int write(const std::vector<ColorRgb>& ledValues) = 0;
+
 signals:
 	///
 	/// Emits whenever the led device switches between on/off
@@ -83,16 +85,18 @@ signals:
 	void enableStateChanged(bool newState);

 protected:
-	///
-	/// Writes the RGB-Color values to the leds.
-	///
-	/// @param[in] ledValues  The RGB-color per led
-	///
-	/// @return Zero on success else negative
-	///
-	virtual int write(const std::vector<ColorRgb>& ledValues) = 0;
 	virtual bool init(const QJsonObject &deviceConfig);

+	///
+	/// Opens and configures the output device
+	///
+	/// @return Zero on succes else negative
+	///
+	virtual int open();
+
+	// Helper to pipe device config from constructor to start()
+	QJsonObject _devConfig;
+
 	/// The common Logger instance for all LedDevices
 	Logger * _log;

@@ -102,7 +106,6 @@ protected:
 	bool _deviceReady;

 	QString _activeDevice;
-	static LedDeviceRegistry _ledDeviceMap;

 	int _ledCount;
 	int _ledRGBCount;
--- a/include/leddevice/LedDeviceWrapper.h
+++ b/include/leddevice/LedDeviceWrapper.h
@@ -0,0 +1,111 @@
+#pragma once
+
+// util
+#include <utils/Logger.h>
+#include <utils/ColorRgb.h>
+#include <utils/Components.h>
+
+class LedDevice;
+class Hyperion;
+
+typedef LedDevice* ( *LedDeviceCreateFuncType ) ( const QJsonObject& );
+typedef std::map<QString,LedDeviceCreateFuncType> LedDeviceRegistry;
+
+///
+/// @brief Creates and destroys LedDevice instances with LedDeviceFactory and moves the device to a thread. Pipes all signal/slots and methods to LedDevice instance
+///
+class LedDeviceWrapper : public QObject
+{
+	Q_OBJECT
+public:
+	LedDeviceWrapper(Hyperion* hyperion);
+	~LedDeviceWrapper();
+	///
+	/// @brief Contructs a new LedDevice, moves to thread and starts
+	/// @param config  With the given config
+	///
+	void createLedDevice(const QJsonObject& config);
+
+	///
+	/// @brief Get all available device schemas
+	/// @return device schemas
+	///
+	static const QJsonObject getLedDeviceSchemas();
+
+	///
+	/// @brief add all device constrcutors to the map
+	///
+	static int addToDeviceMap(QString name, LedDeviceCreateFuncType funcPtr);
+
+	///
+	/// @brief Return all available device contructors
+	/// @return device constrcutors
+	///
+	static const LedDeviceRegistry& getDeviceMap();
+
+	///
+	/// @brief Get the current latchtime of the ledDevice
+	/// @ return latchtime in ms
+	///
+	int getLatchTime();
+
+	///
+	/// @brief Get the current active ledDevice
+	///
+	const QString & getActiveDevice();
+
+	///
+	/// @brief Return the last enable state
+	///
+	const bool & enabled() { return _enabled; };
+
+	///
+	/// @brief Get the current colorOrder from device
+	///
+	const QString & getColorOrder();
+
+public slots:
+	///
+	/// @brief Handle new component state request
+	/// @apram component  The comp from enum
+	/// @param state      The new state
+	///
+	void handleComponentState(const hyperion::Components component, const bool state);
+
+signals:
+	///
+	/// PIPER signal for Hyperion -> LedDevice
+	///
+	/// @param[in] ledValues  The RGB-color per led
+	///
+	/// @return Zero on success else negative
+	///
+	int write(const std::vector<ColorRgb>& ledValues);
+
+private slots:
+	///
+	/// @brief Is called whenever the led device switches between on/off. The led device can disable it's component state
+	/// The signal comes from the LedDevice
+	/// @param newState The new state of the device
+	///
+	void handleInternalEnableState(bool newState);
+
+
+protected:
+	/// contains all available led device constrcutors
+	static LedDeviceRegistry _ledDeviceMap;
+
+private:
+	///
+	/// @brief switchOff() the device and Stops the device thread
+	/// 
+	void stopDeviceThread();
+
+private:
+	// parent Hyperion
+	Hyperion* _hyperion;
+	// Pointer of current led device
+	LedDevice* _ledDevice;
+	// the enable state
+	bool _enabled;
+};
--- a/include/utils/GlobalSignals.h
+++ b/include/utils/GlobalSignals.h
@@ -0,0 +1,41 @@
+#pragma once
+
+// util
+#include <utils/Image.h>
+#include <utils/ColorRgb.h>
+
+// qt
+#include <QObject>
+
+///
+/// Singleton instance for simple signal sharing across threads, should be never used with Qt:DirectConnection!
+///
+class GlobalSignals : public QObject
+{
+	Q_OBJECT
+public:
+    static GlobalSignals* getInstance()
+    {
+        static GlobalSignals instance;
+        return & instance;
+    }
+private:
+    GlobalSignals() {}
+
+public:
+    GlobalSignals(GlobalSignals const&)   = delete;
+    void operator=(GlobalSignals const&)  = delete;
+
+signals:
+	///
+	/// @brief PIPE SystemCapture images from GrabberWrapper to Hyperion class
+	/// @param image  The prepared image
+	///
+	void setSystemImage(const Image<ColorRgb>&  image);
+
+	///
+	/// @brief PIPE v4lCapture images from v4lCapture over HyperionDaemon to Hyperion class
+	/// @param image  The prepared image
+	///
+	void setV4lImage(const Image<ColorRgb> & image);
+};
--- a/libsrc/api/JsonAPI.cpp
+++ b/libsrc/api/JsonAPI.cpp
@@ -22,7 +22,7 @@
 #include <utils/SysInfo.h>
 #include <HyperionConfig.h>
 #include <utils/ColorSys.h>
-#include <leddevice/LedDevice.h>
+#include <leddevice/LedDeviceWrapper.h>
 #include <hyperion/GrabberWrapper.h>
 #include <utils/Process.h>
 #include <utils/JsonUtils.h>
@@ -50,6 +50,8 @@ JsonAPI::JsonAPI(QString peerAddress, Logger* log, QObject* parent, bool noListe
 	, _image_stream_timeout(0)
 	, _led_stream_timeout(0)
 {
+	Q_INIT_RESOURCE(JSONRPC_schemas);
+
 	// the JsonCB creates json messages you can subscribe to e.g. data change events; forward them to the parent client
 	connect(_jsonCB, &JsonCB::newCallback, this, &JsonAPI::callbackMessage);

@@ -63,7 +65,6 @@ JsonAPI::JsonAPI(QString peerAddress, Logger* log, QObject* parent, bool noListe
 void JsonAPI::handleMessage(const QString& messageString)
 {
 	const QString ident = "JsonRpc@"+_peerAddress;
-	Q_INIT_RESOURCE(JSONRPC_schemas);
 	QJsonObject message;
 	// parse the message
 	if(!JsonUtils::parse(ident, messageString, message, _log))
@@ -408,7 +409,7 @@ void JsonAPI::handleServerInfoCommand(const QJsonObject& message, const QString&
 	QJsonObject ledDevices;
 	ledDevices["active"] = _hyperion->getActiveDevice();
 	QJsonArray availableLedDevices;
-	for (auto dev: LedDevice::getDeviceMap())
+	for (auto dev: LedDeviceWrapper::getDeviceMap())
 	{
 		availableLedDevices.append(dev.first);
 	}
@@ -696,7 +697,7 @@ void JsonAPI::handleSchemaGetCommand(const QJsonObject& message, const QString&

 	// collect all LED Devices
 	properties = schemaJson["properties"].toObject();
-	alldevices = LedDevice::getLedDeviceSchemas();
+	alldevices = LedDeviceWrapper::getLedDeviceSchemas();
 	properties.insert("alldevices", alldevices);

 	// collect all available effect schemas
--- a/libsrc/hyperion/CaptureCont.cpp
+++ b/libsrc/hyperion/CaptureCont.cpp
@@ -1,6 +1,12 @@
 #include <hyperion/CaptureCont.h>

+// hyperion includes
 #include <hyperion/Hyperion.h>
+
+// utils includes
+#include <utils/GlobalSignals.h>
+
+// qt includes
 #include <QTimer>

 CaptureCont::CaptureCont(Hyperion* hyperion)
@@ -56,11 +62,11 @@ void CaptureCont::setSystemCaptureEnable(const bool& enable)
 		if(enable)
 		{
 			_hyperion->registerInput(_systemCaptPrio, hyperion::COMP_GRABBER);
-			connect(_hyperion, &Hyperion::systemImage, this, &CaptureCont::handleSystemImage);
+			connect(GlobalSignals::getInstance(), &GlobalSignals::setSystemImage, this, &CaptureCont::handleSystemImage);
 		}
 		else
 		{
-			disconnect(_hyperion, &Hyperion::systemImage, this, &CaptureCont::handleSystemImage);
+			disconnect(GlobalSignals::getInstance(), &GlobalSignals::setSystemImage, 0, 0);
 			_hyperion->clear(_systemCaptPrio);
 		}
 		_systemCaptEnabled = enable;
@@ -75,11 +81,11 @@ void CaptureCont::setV4LCaptureEnable(const bool& enable)
 		if(enable)
 		{
 			_hyperion->registerInput(_v4lCaptPrio, hyperion::COMP_V4L);
-			connect(_hyperion, &Hyperion::v4lImage, this, &CaptureCont::handleV4lImage);
+			connect(GlobalSignals::getInstance(), &GlobalSignals::setV4lImage, this, &CaptureCont::handleV4lImage);
 		}
 		else
 		{
-			disconnect(_hyperion, &Hyperion::v4lImage, this, &CaptureCont::handleV4lImage);
+			disconnect(GlobalSignals::getInstance(), &GlobalSignals::setV4lImage, 0, 0);
 			_hyperion->clear(_v4lCaptPrio);
 			_v4lInactiveTimer->stop();
 		}
--- a/libsrc/hyperion/GrabberWrapper.cpp
+++ b/libsrc/hyperion/GrabberWrapper.cpp
@@ -3,6 +3,9 @@
 #include <hyperion/Grabber.h>
 #include <HyperionConfig.h>

+// utils includes
+#include <utils/GlobalSignals.h>
+
 // qt
 #include <QTimer>

@@ -20,6 +23,11 @@ GrabberWrapper::GrabberWrapper(QString grabberName, Grabber * ggrabber, unsigned
 	_image.resize(width, height);

 	connect(_timer, &QTimer::timeout, this, &GrabberWrapper::action);
+
+	// connect the image forwarding
+	_grabberName.startsWith("V4L")
+		? connect(this, &GrabberWrapper::systemImage, GlobalSignals::getInstance(), &GlobalSignals::setV4lImage)
+		: connect(this, &GrabberWrapper::systemImage, GlobalSignals::getInstance(), &GlobalSignals::setSystemImage);
 }

 GrabberWrapper::~GrabberWrapper()
--- a/libsrc/hyperion/Hyperion.cpp
+++ b/libsrc/hyperion/Hyperion.cpp
@@ -26,8 +26,7 @@
 #include <utils/hyperion.h>

 // Leddevice includes
-#include <leddevice/LedDevice.h>
-#include <leddevice/LedDeviceFactory.h>
+#include <leddevice/LedDeviceWrapper.h>

 #include <hyperion/MultiColorAdjustment.h>
 #include "LinearColorSmoothing.h"
@@ -127,22 +126,23 @@ Hyperion::Hyperion(HyperionDaemon* daemon, const quint8& instance, const QString
 	QJsonObject ledDevice = getSetting(settings::DEVICE).object();
 	ledDevice["currentLedCount"] = int(_hwLedCount); // Inject led count info

-	_device       = LedDeviceFactory::construct(ledDevice);
-	_deviceSmooth = new LinearColorSmoothing(_device, getSetting(settings::SMOOTHING), this);
+	_ledDeviceWrapper = new LedDeviceWrapper(this);
+	connect(this, &Hyperion::componentStateChanged, _ledDeviceWrapper, &LedDeviceWrapper::handleComponentState);
+	connect(this, &Hyperion::ledDeviceData, _ledDeviceWrapper, &LedDeviceWrapper::write);
+	_ledDeviceWrapper->createLedDevice(ledDevice);
+
+	// smoothing
+	_deviceSmooth = new LinearColorSmoothing(getSetting(settings::SMOOTHING), this);
 	connect(this, &Hyperion::settingsChanged, _deviceSmooth, &LinearColorSmoothing::handleSettingsUpdate);

-	getComponentRegister().componentStateChanged(hyperion::COMP_LEDDEVICE, _device->componentState());
-
-	// create the effect engine and pipe the updateEmit; must be initialized after smoothing!
+	// create the effect engine; needs to be initialized after smoothing!
 	_effectEngine = new EffectEngine(this);
 	connect(_effectEngine, &EffectEngine::effectListUpdated, this, &Hyperion::effectListUpdated);

 	// setup config state checks and initial shot
 	checkConfigState();
 	if(_fsWatcher.addPath(_configFile))
-	{
 		QObject::connect(&_fsWatcher, &QFileSystemWatcher::fileChanged, this, &Hyperion::checkConfigState);
-	}
 	else
 	{
 		_cTimer = new QTimer(this);
@@ -153,6 +153,7 @@ Hyperion::Hyperion(HyperionDaemon* daemon, const quint8& instance, const QString

 	// initial startup effect
 	hyperion::handleInitialEffect(this, getSetting(settings::FGEFFECT).object());
+
 	// handle background effect
 	_BGEffectHandler = new BGEffectHandler(this);

@@ -163,7 +164,6 @@ Hyperion::Hyperion(HyperionDaemon* daemon, const quint8& instance, const QString
 	update();

 	// boblight, can't live in global scope as it depends on layout
-
 	_boblightServer = new BoblightServer(this, getSetting(settings::BOBLSERVER));
 	connect(this, &Hyperion::settingsChanged, _boblightServer, &BoblightServer::handleSettingsUpdate);
 }
@@ -188,10 +188,10 @@ void Hyperion::freeObjects(bool emitCloseSignal)
 	delete _captureCont;
 	delete _effectEngine;
 	//delete _deviceSmooth;
-	delete _device;
 	delete _raw2ledAdjustment;
 	delete _messageForwarder;
 	delete _settingsManager;
+	delete _ledDeviceWrapper;
 }

 void Hyperion::handleSettingsUpdate(const settings::type& type, const QJsonDocument& config)
@@ -241,7 +241,7 @@ void Hyperion::handleSettingsUpdate(const settings::type& type, const QJsonDocum
 		_hwLedCount = qMax(unsigned(getSetting(settings::DEVICE).object()["hardwareLedCount"].toInt(getLedCount())), getLedCount());

 		// update led count in device
-		_device->setLedCount(_hwLedCount);
+		//_ledDeviceWrapper->setLedCount(_hwLedCount);

 		// change in leds are also reflected in adjustment
 		delete _raw2ledAdjustment;
@@ -262,7 +262,7 @@ void Hyperion::handleSettingsUpdate(const settings::type& type, const QJsonDocum
 		_hwLedCount = qMax(unsigned(dev["hardwareLedCount"].toInt(getLedCount())), getLedCount());

 		// force ledString update, if device ByteOrder changed
-		if(_device->getColorOrder() != dev["colorOrder"].toString("rgb"))
+		if(_ledDeviceWrapper->getColorOrder() != dev["colorOrder"].toString("rgb"))
 		{
 			_ledString = hyperion::createLedString(getSetting(settings::LEDS).array(), hyperion::createColorOrder(dev));
 			_ledStringClone = hyperion::createLedStringClone(getSetting(settings::LEDS).array(), hyperion::createColorOrder(dev));
@@ -276,16 +276,9 @@ void Hyperion::handleSettingsUpdate(const settings::type& type, const QJsonDocum
 		// update led count
 		_device->setLedCount(_hwLedCount);
 	*/
-		// do always reinit
-		// TODO segfaulting in LinearColorSmoothing::queueColor triggert from QTimer because of device->setLEdValues (results from gdb debugging and testing)
-		bool wasEnabled = _deviceSmooth->enabled();
-		_deviceSmooth->stopTimer();
-		delete _device;
+		// do always reinit until the led devices can handle dynamic changes
 		dev["currentLedCount"] = int(_hwLedCount); // Inject led count info
-		_device = LedDeviceFactory::construct(dev);
-		getComponentRegister().componentStateChanged(hyperion::COMP_LEDDEVICE, _device->componentState());
-		if(wasEnabled)
-			_deviceSmooth->startTimerDelayed();
+		_ledDeviceWrapper->createLedDevice(dev);
 		_lockUpdate = false;
 	}
 	// update once to push single color sets / adjustments/ ledlayout resizes and update ledBuffer color
@@ -310,7 +303,7 @@ QString Hyperion::getConfigFileName() const

 int Hyperion::getLatchTime() const
 {
-  return _device->getLatchTime();
+  return _ledDeviceWrapper->getLatchTime();
 }

 unsigned Hyperion::addSmoothingConfig(int settlingTime_ms, double ledUpdateFrequency_hz, unsigned updateDelay)
@@ -373,18 +366,14 @@ bool Hyperion::sourceAutoSelectEnabled()
 	return _muxer.isSourceAutoSelectEnabled();
 }

+void Hyperion::setNewComponentState(const hyperion::Components& component, const bool& state)
+{
+	_componentRegister.componentStateChanged(component, state);
+}
+
 void Hyperion::setComponentState(const hyperion::Components component, const bool state)
 {
-	switch (component)
-	{
-		case hyperion::COMP_LEDDEVICE:
-			_device->setEnable(state);
-			getComponentRegister().componentStateChanged(hyperion::COMP_LEDDEVICE, _device->componentState());
-			break;
-
-		default:
-			emit componentStateChanged(component, state);
-	}
+	emit componentStateChanged(component, state);
 }

 void Hyperion::registerInput(const int priority, const hyperion::Components& component, const QString& origin, const QString& owner, unsigned smooth_cfg)
@@ -571,7 +560,7 @@ const VideoMode & Hyperion::getCurrentVideoMode()

 const QString & Hyperion::getActiveDevice()
 {
-	return _device->getActiveDevice();
+	return _ledDeviceWrapper->getActiveDevice();
 }

 void Hyperion::updatedComponentState(const hyperion::Components comp, const bool state)
@@ -681,7 +670,7 @@ void Hyperion::update()
 	}

 	// Write the data to the device
-	if (_device->enabled())
+	if (_ledDeviceWrapper->enabled())
 	{
 		_deviceSmooth->selectConfig(priorityInfo.smooth_cfg);

@@ -690,6 +679,6 @@ void Hyperion::update()
 			_deviceSmooth->setLedValues(_ledBuffer);

 		if  (! _deviceSmooth->enabled())
-			_device->setLedValues(_ledBuffer);
+			emit ledDeviceData(_ledBuffer);
 	}
 }
--- a/libsrc/hyperion/LinearColorSmoothing.cpp
+++ b/libsrc/hyperion/LinearColorSmoothing.cpp
@@ -9,9 +9,8 @@

 using namespace hyperion;

-LinearColorSmoothing::LinearColorSmoothing( LedDevice * ledDevice, const QJsonDocument& config, Hyperion* hyperion)
-	: LedDevice()
-	, _ledDevice(ledDevice)
+LinearColorSmoothing::LinearColorSmoothing(const QJsonDocument& config, Hyperion* hyperion)
+	: LedDevice(QJsonObject(), hyperion)
 	, _log(Logger::getInstance("SMOOTHING"))
 	, _hyperion(hyperion)
 	, _updateInterval(1000)
@@ -42,8 +41,7 @@ LinearColorSmoothing::LinearColorSmoothing( LedDevice * ledDevice, const QJsonDo

 LinearColorSmoothing::~LinearColorSmoothing()
 {
-	// Make sure to switch off the underlying led-device (because switchOff is no longer forwarded)
-	_ledDevice->switchOff();
+
 }

 void LinearColorSmoothing::handleSettingsUpdate(const settings::type& type, const QJsonDocument& config)
@@ -148,7 +146,8 @@ void LinearColorSmoothing::queueColors(const std::vector<ColorRgb> & ledColors)
 	{
 		// No output delay => immediate write
 		if ( _writeToLedsEnable && !_pause)
-			_ledDevice->setLedValues(ledColors);
+			emit _hyperion->ledDeviceData(ledColors);
+
 	}
 	else
 	{
@@ -163,7 +162,7 @@ void LinearColorSmoothing::queueColors(const std::vector<ColorRgb> & ledColors)
 			{
 				if (!_pause)
 				{
-					_ledDevice->setLedValues(_outputQueue.front());
+					emit _hyperion->ledDeviceData(_outputQueue.front());
 				}
 				_outputQueue.pop_front();
 			}
@@ -235,18 +234,3 @@ bool LinearColorSmoothing::selectConfig(unsigned cfg, const bool& force)
 	_currentConfigId = 0;
 	return false;
 }
-
-void LinearColorSmoothing::startTimerDelayed()
-{
-	QTimer::singleShot(500, this, SLOT(delayStartTimer()));
-}
-
-void LinearColorSmoothing::stopTimer()
-{
-	_timer->stop();
-}
-
-void LinearColorSmoothing::delayStartTimer()
-{
-	_timer->start();
-}
--- a/libsrc/hyperion/LinearColorSmoothing.h
+++ b/libsrc/hyperion/LinearColorSmoothing.h
@@ -28,11 +28,10 @@ class LinearColorSmoothing : public LedDevice

 public:
 	/// Constructor
-	/// @param LedDevice the led device
 	/// @param config    The configuration document smoothing
 	/// @param hyperion  The hyperion parent instance
 	///
-	LinearColorSmoothing(LedDevice *ledDevice, const QJsonDocument& config, Hyperion* hyperion);
+	LinearColorSmoothing(const QJsonDocument& config, Hyperion* hyperion);

 	/// Destructor
 	virtual ~LinearColorSmoothing();
@@ -71,12 +70,6 @@ public:
 	///
 	bool selectConfig(unsigned cfg, const bool& force = false);

-	///
-	/// @ Helper methods to start the timer with delay (see delayStartSmooth())
-	///
-	void startTimerDelayed();
-	void stopTimer();
-
 public slots:
 	///
 	/// @brief Handle settings update from Hyperion Settingsmanager emit or this constructor
@@ -89,9 +82,6 @@ private slots:
 	/// Timer callback which writes updated led values to the led device
 	void updateLeds();

-	/// Delay timer slot to workaround the leddevice reconstruction segfault (dangling pointer)
-	void delayStartTimer();
-
 	///
 	/// @brief Handle component state changes
 	/// @param component   The component
@@ -107,9 +97,6 @@ private:
 	 */
 	void queueColors(const std::vector<ColorRgb> & ledColors);

-	/// The led device
-	LedDevice * _ledDevice;
-
 	/// Logger instance
 	Logger* _log;

--- a/libsrc/leddevice/LedDevice.cpp
+++ b/libsrc/leddevice/LedDevice.cpp
@@ -10,10 +10,9 @@
 #include "hyperion/Hyperion.h"
 #include <utils/JsonUtils.h>

-LedDeviceRegistry LedDevice::_ledDeviceMap = LedDeviceRegistry();
-
-LedDevice::LedDevice()
-	: QObject()
+LedDevice::LedDevice(const QJsonObject& config, QObject* parent)
+	: QObject(parent)
+	, _devConfig(config)
 	, _log(Logger::getInstance("LEDDEVICE"))
 	, _ledBuffer(0)
 	, _deviceReady(true)
@@ -24,15 +23,16 @@ LedDevice::LedDevice()
 	, _componentRegistered(false)
 	, _enabled(true)
 {
-	LedDevice::getLedDeviceSchemas();
-	qRegisterMetaType<hyperion::Components>("hyperion::Components");
-
 	// setup timer
-	_refresh_timer.setSingleShot(false);
 	_refresh_timer.setInterval(0);
 	connect(&_refresh_timer, SIGNAL(timeout()), this, SLOT(rewriteLeds()));
 }

+LedDevice::~LedDevice()
+{
+
+}
+
 // dummy implemention
 int LedDevice::open()
 {
@@ -55,17 +55,6 @@ void LedDevice::setEnable(bool enable)
 	_enabled = enable;
 }

-int LedDevice::addToDeviceMap(QString name, LedDeviceCreateFuncType funcPtr)
-{
-	_ledDeviceMap.emplace(name,funcPtr);
-	return 0;
-}
-
-const LedDeviceRegistry& LedDevice::getDeviceMap()
-{
-	return _ledDeviceMap;
-}
-
 void LedDevice::setActiveDevice(QString dev)
 {
 	_activeDevice = dev;
@@ -88,42 +77,6 @@ bool LedDevice::init(const QJsonObject &deviceConfig)
 	return true;
 }

-QJsonObject LedDevice::getLedDeviceSchemas()
-{
-	// make sure the resources are loaded (they may be left out after static linking)
-	Q_INIT_RESOURCE(LedDeviceSchemas);
-
-	// read the json schema from the resource
-	QDir d(":/leddevices/");
-	QStringList l = d.entryList();
-	QJsonObject result, schemaJson;
-
-	for(QString &item : l)
-	{
-		QString schemaPath(QString(":/leddevices/")+item);
-		QString devName = item.remove("schema-");
-
-		QString data;
-		if(!FileUtils::readFile(schemaPath, data, Logger::getInstance("LedDevice")))
-		{
-			throw std::runtime_error("ERROR: Schema not found: " + item.toStdString());
-		}
-
-		QJsonObject schema;
-		if(!JsonUtils::parse(schemaPath, data, schema, Logger::getInstance("LedDevice")))
-		{
-			throw std::runtime_error("ERROR: Json schema wrong of file: " + item.toStdString());
-		}
-
-		schemaJson = schema;
-		schemaJson["title"] = QString("edt_dev_spec_header_title");
-
-		result[devName] = schemaJson;
-	}
-
-	return result;
-}
-
 int LedDevice::setLedValues(const std::vector<ColorRgb>& ledValues)
 {
 	int retval = 0;
--- a/libsrc/leddevice/LedDeviceFactory.cpp
+++ b/libsrc/leddevice/LedDeviceFactory.cpp
@@ -7,10 +7,11 @@

 // Leddevice includes
 #include <leddevice/LedDeviceFactory.h>
+#include <leddevice/LedDeviceWrapper.h>
 #include <utils/Logger.h>
 #include <leddevice/LedDevice.h>

-// following file is auto generated by cmake! it contains all available leddevice headers
+// autogen
 #include "LedDevice_headers.h"

 LedDevice * LedDeviceFactory::construct(const QJsonObject & deviceConfig)
@@ -21,14 +22,7 @@ LedDevice * LedDeviceFactory::construct(const QJsonObject & deviceConfig)

 	QString type = deviceConfig["type"].toString("UNSPECIFIED").toLower();

-	#define REGISTER(className) LedDevice::addToDeviceMap(QString(#className).toLower(), LedDevice##className::construct);
-
-	// the REGISTER() calls are autogenerated by cmake.
-	#include "LedDevice_register.cpp"
-
-	#undef REGISTER
-
-	const LedDeviceRegistry& devList = LedDevice::getDeviceMap();
+	const LedDeviceRegistry& devList = LedDeviceWrapper::getDeviceMap();
 	LedDevice* device = nullptr;
 	try
 	{
@@ -56,7 +50,5 @@ LedDevice * LedDeviceFactory::construct(const QJsonObject & deviceConfig)
 		device = LedDeviceFile::construct(QJsonObject());
 	}

-	device->open();
-
 	return device;
 }
--- a/libsrc/leddevice/LedDeviceWrapper.cpp
+++ b/libsrc/leddevice/LedDeviceWrapper.cpp
@@ -0,0 +1,148 @@
+#include <leddevice/LedDeviceWrapper.h>
+
+#include <leddevice/LedDevice.h>
+#include <leddevice/LedDeviceFactory.h>
+
+// following file is auto generated by cmake! it contains all available leddevice headers
+#include "LedDevice_headers.h"
+
+// util
+#include <hyperion/Hyperion.h>
+#include <utils/JsonUtils.h>
+
+// qt
+#include <QThread>
+#include <QDir>
+
+LedDeviceRegistry LedDeviceWrapper::_ledDeviceMap = LedDeviceRegistry();
+
+LedDeviceWrapper::LedDeviceWrapper(Hyperion* hyperion)
+	: QObject(hyperion)
+	, _hyperion(hyperion)
+	, _ledDevice(nullptr)
+{
+	// prepare the device constrcutor map
+	#define REGISTER(className) LedDeviceWrapper::addToDeviceMap(QString(#className).toLower(), LedDevice##className::construct);
+
+	// the REGISTER() calls are autogenerated by cmake.
+	#include "LedDevice_register.cpp"
+
+	#undef REGISTER
+
+	_hyperion->setNewComponentState(hyperion::COMP_LEDDEVICE, true);
+}
+
+LedDeviceWrapper::~LedDeviceWrapper()
+{
+	stopDeviceThread();
+}
+
+void LedDeviceWrapper::createLedDevice(const QJsonObject& config)
+{
+	if(_ledDevice != nullptr)
+	 {
+		 stopDeviceThread();
+	 }
+
+	 // create thread and device
+	 QThread* thread = new QThread(this);
+	 _ledDevice = LedDeviceFactory::construct(config);
+	 _ledDevice->moveToThread(thread);
+	 // setup thread management
+	 connect(thread, &QThread::started, _ledDevice, &LedDevice::start);
+	 connect(thread, &QThread::finished, thread, &QObject::deleteLater);
+	 connect(thread, &QThread::finished, _ledDevice, &QObject::deleteLater);
+
+	 // further signals
+	 connect(this, &LedDeviceWrapper::write, _ledDevice, &LedDevice::write);
+	 connect(_ledDevice, &LedDevice::enableStateChanged, this, &LedDeviceWrapper::handleInternalEnableState);
+
+	 // start the thread
+	 thread->start();
+}
+
+const QJsonObject LedDeviceWrapper::getLedDeviceSchemas()
+{
+	// make sure the resources are loaded (they may be left out after static linking)
+	Q_INIT_RESOURCE(LedDeviceSchemas);
+
+	// read the json schema from the resource
+	QDir d(":/leddevices/");
+	QStringList l = d.entryList();
+	QJsonObject result, schemaJson;
+
+	for(QString &item : l)
+	{
+		QString schemaPath(QString(":/leddevices/")+item);
+		QString devName = item.remove("schema-");
+
+		QString data;
+		if(!FileUtils::readFile(schemaPath, data, Logger::getInstance("LedDevice")))
+		{
+			throw std::runtime_error("ERROR: Schema not found: " + item.toStdString());
+		}
+
+		QJsonObject schema;
+		if(!JsonUtils::parse(schemaPath, data, schema, Logger::getInstance("LedDevice")))
+		{
+			throw std::runtime_error("ERROR: Json schema wrong of file: " + item.toStdString());
+		}
+
+		schemaJson = schema;
+		schemaJson["title"] = QString("edt_dev_spec_header_title");
+
+		result[devName] = schemaJson;
+	}
+
+	return result;
+}
+
+int LedDeviceWrapper::addToDeviceMap(QString name, LedDeviceCreateFuncType funcPtr)
+{
+	_ledDeviceMap.emplace(name,funcPtr);
+	return 0;
+}
+
+const LedDeviceRegistry& LedDeviceWrapper::getDeviceMap()
+{
+	return _ledDeviceMap;
+}
+
+int LedDeviceWrapper::getLatchTime()
+{
+	return _ledDevice->getLatchTime();
+}
+
+const QString & LedDeviceWrapper::getActiveDevice()
+{
+	return _ledDevice->getActiveDevice();
+}
+
+const QString & LedDeviceWrapper::getColorOrder()
+{
+	return _ledDevice->getColorOrder();
+}
+
+void LedDeviceWrapper::handleComponentState(const hyperion::Components component, const bool state)
+{
+	if(component == hyperion::COMP_LEDDEVICE)
+	{
+		_ledDevice->setEnable(state);
+		_hyperion->setNewComponentState(hyperion::COMP_LEDDEVICE, _ledDevice->componentState());
+		_enabled = state;
+	}
+}
+
+void LedDeviceWrapper::handleInternalEnableState(bool newState)
+{
+	_hyperion->setNewComponentState(hyperion::COMP_LEDDEVICE, newState);
+	_enabled = newState;
+}
+
+void LedDeviceWrapper::stopDeviceThread()
+{
+	_ledDevice->switchOff();
+	QThread* oldThread = _ledDevice->thread();
+	delete _ledDevice; // fast desctruction
+	oldThread->quit(); // non blocking
+}
--- a/libsrc/leddevice/dev_net/LedDevicePhilipsHue.cpp
+++ b/libsrc/leddevice/dev_net/LedDevicePhilipsHue.cpp
@@ -201,7 +201,7 @@ void PhilipsHueBridge::resolveReply(QNetworkReply* reply)

 void PhilipsHueBridge::post(QString route, QString content)
 {
-	Debug(log, "Post %s: %s", QSTRING_CSTR(QString("http://IP/api/USR/%1").arg(route)), QSTRING_CSTR(content));
+	//Debug(log, "Post %s: %s", QSTRING_CSTR(QString("http://IP/api/USR/%1").arg(route)), QSTRING_CSTR(content));

 	QNetworkRequest request(QString("http://%1/api/%2/%3").arg(host).arg(username).arg(route));
 	manager.put(request, content.toLatin1());
@@ -214,7 +214,7 @@ const std::set<QString> PhilipsHueLight::GAMUT_B_MODEL_IDS =
 const std::set<QString> PhilipsHueLight::GAMUT_C_MODEL_IDS =
 { "LLC020", "LST002", "LCT011", "LCT012", "LCT010", "LCT014" };

-PhilipsHueLight::PhilipsHueLight(Logger* log, PhilipsHueBridge& bridge, unsigned int id, QJsonObject values)
+PhilipsHueLight::PhilipsHueLight(Logger* log, PhilipsHueBridge* bridge, unsigned int id, QJsonObject values)
 	: log(log)
 	, bridge(bridge)
 	, id(id)
@@ -297,7 +297,7 @@ PhilipsHueLight::~PhilipsHueLight()

 void PhilipsHueLight::set(QString state)
 {
-	bridge.post(QString("lights/%1/state").arg(id), state);
+	bridge->post(QString("lights/%1/state").arg(id), state);
 }

 void PhilipsHueLight::setOn(bool on)
@@ -345,18 +345,25 @@ LedDevice* LedDevicePhilipsHue::construct(const QJsonObject &deviceConfig)
 }

 LedDevicePhilipsHue::LedDevicePhilipsHue(const QJsonObject& deviceConfig)
-	: LedDevice()
-	, bridge(_log, deviceConfig["output"].toString(), deviceConfig["username"].toString())
+	: LedDevice(deviceConfig)
+	, _bridge(nullptr)
 {
-	_deviceReady = init(deviceConfig);

-	connect(&bridge, &PhilipsHueBridge::newLights, this, &LedDevicePhilipsHue::newLights);
-	connect(this, &LedDevice::enableStateChanged, this, &LedDevicePhilipsHue::stateChanged);
 }

 LedDevicePhilipsHue::~LedDevicePhilipsHue()
 {
 	switchOff();
+	delete _bridge;
+}
+
+void LedDevicePhilipsHue::start()
+{
+	_bridge = new PhilipsHueBridge(_log, _devConfig["output"].toString(), _devConfig["username"].toString());
+	_deviceReady = init(_devConfig);
+
+	connect(_bridge, &PhilipsHueBridge::newLights, this, &LedDevicePhilipsHue::newLights);
+	connect(this, &LedDevice::enableStateChanged, this, &LedDevicePhilipsHue::stateChanged);
 }

 bool LedDevicePhilipsHue::init(const QJsonObject &deviceConfig)
@@ -374,7 +381,7 @@ bool LedDevicePhilipsHue::init(const QJsonObject &deviceConfig)
 			lightIds.push_back(i.toInt());
 		}
 		// get light info from bridge
-		bridge.bConnect();
+		_bridge->bConnect();

 		// adapt latchTime to count of user lightIds (bridge 10Hz max overall)
 		newDC.insert("latchTime",QJsonValue(100*(int)lightIds.size()));
@@ -399,7 +406,7 @@ void LedDevicePhilipsHue::newLights(QMap<quint16, QJsonObject> map)
 		{
 			if (map.contains(id))
 			{
-				lights.push_back(PhilipsHueLight(_log, bridge, id, map.value(id)));
+				lights.push_back(PhilipsHueLight(_log, _bridge, id, map.value(id)));
 			}
 			else
 			{
@@ -427,7 +434,6 @@ int LedDevicePhilipsHue::write(const std::vector<ColorRgb> & ledValues)
 	{
 		// Get color.
 		ColorRgb color = ledValues.at(idx);
-
 		// Scale colors from [0, 255] to [0, 1] and convert to xy space.
 		CiColor xy = CiColor::rgbToCiColor(color.red / 255.0f, color.green / 255.0f, color.blue / 255.0f,
 				light.getColorSpace());
@@ -453,7 +459,7 @@ int LedDevicePhilipsHue::write(const std::vector<ColorRgb> & ledValues)
 void LedDevicePhilipsHue::stateChanged(bool newState)
 {
 	if(newState)
-		bridge.bConnect();
+		_bridge->bConnect();
 	else
 		lights.clear();
 }
--- a/libsrc/leddevice/dev_net/LedDevicePhilipsHue.h
+++ b/libsrc/leddevice/dev_net/LedDevicePhilipsHue.h
@@ -139,7 +139,7 @@ class PhilipsHueLight
 {
 private:
 	Logger* log;
-	PhilipsHueBridge& bridge;
+	PhilipsHueBridge* bridge;
 	/// light id
 	unsigned int id;
 	bool on;
@@ -172,7 +172,7 @@ public:
 	/// @param bridge the bridge
 	/// @param id the light id
 	///
-	PhilipsHueLight(Logger* log, PhilipsHueBridge& bridge, unsigned int id, QJsonObject values);
+	PhilipsHueLight(Logger* log, PhilipsHueBridge* bridge, unsigned int id, QJsonObject values);
 	~PhilipsHueLight();

 	///
@@ -227,6 +227,10 @@ public:
 	/// constructs leddevice
 	static LedDevice* construct(const QJsonObject &deviceConfig);

+public slots:
+	/// thread start
+	virtual void start();
+
 private slots:
 	/// creates new PhilipsHueLight(s) based on user lightid with bridge feedback
 	///
@@ -249,7 +253,7 @@ protected:

 private:
 	/// bridge class
-	PhilipsHueBridge bridge;
+	PhilipsHueBridge* _bridge;

 	///
 	bool switchOffOnBlack;
--- a/libsrc/leddevice/dev_tinker/LedDeviceTinkerforge.cpp
+++ b/libsrc/leddevice/dev_tinker/LedDeviceTinkerforge.cpp
@@ -40,7 +40,7 @@ bool LedDeviceTinkerforge::init(const QJsonObject &deviceConfig)
 	_uid      = deviceConfig["uid"].toString();
 	_interval = deviceConfig["rate"].toInt();

-	if ((unsigned)_ledCount > MAX_NUM_LEDS) 
+	if ((unsigned)_ledCount > MAX_NUM_LEDS)
 	{
 		Error(_log,"Invalid attempt to write led values. Not more than %d leds are allowed.", MAX_NUM_LEDS);
 		return -1;
@@ -68,7 +68,7 @@ int LedDeviceTinkerforge::open()
 	if (_ipConnection != nullptr)
 	{
 		Error(_log, "Attempt to open existing connection; close before opening");
-		return -1;
+		return 0;
 	}

 	// Initialise a new connection
@@ -76,10 +76,10 @@ int LedDeviceTinkerforge::open()
 	ipcon_create(_ipConnection);

 	int connectionStatus = ipcon_connect(_ipConnection, QSTRING_CSTR(_host), _port);
-	if (connectionStatus < 0) 
+	if (connectionStatus < 0)
 	{
-		Warning(_log, "Attempt to connect to master brick (%s:%d) failed with status %d", QSTRING_CSTR(_host), _port, connectionStatus);
-		return -1;
+		Error(_log, "Attempt to connect to master brick (%s:%d) failed with status %d", QSTRING_CSTR(_host), _port, connectionStatus);
+		return 0;
 	}

 	// Create the 'LedStrip'
@@ -87,17 +87,20 @@ int LedDeviceTinkerforge::open()
 	led_strip_create(_ledStrip, QSTRING_CSTR(_uid), _ipConnection);

 	int frameStatus = led_strip_set_frame_duration(_ledStrip, _interval);
-	if (frameStatus < 0) 
+	if (frameStatus < 0)
 	{
 		Error(_log,"Attempt to connect to led strip bricklet (led_strip_set_frame_duration()) failed with status %d", frameStatus);
-		return -1;
+		return 0;
 	}

-	return 0;
+	return 1;
 }

 int LedDeviceTinkerforge::write(const std::vector<ColorRgb> &ledValues)
 {
+	if(!_deviceReady)
+		return 0;
+
 	auto redIt   = _redChannel.begin();
 	auto greenIt = _greenChannel.begin();
 	auto blueIt  = _blueChannel.begin();
@@ -115,7 +118,7 @@ int LedDeviceTinkerforge::write(const std::vector<ColorRgb> &ledValues)
 	return transferLedData(_ledStrip, 0, _colorChannelSize, _redChannel.data(), _greenChannel.data(), _blueChannel.data());
 }

-int LedDeviceTinkerforge::transferLedData(LEDStrip *ledStrip, unsigned index, unsigned length, uint8_t *redChannel, uint8_t *greenChannel, uint8_t *blueChannel) 
+int LedDeviceTinkerforge::transferLedData(LEDStrip *ledStrip, unsigned index, unsigned length, uint8_t *redChannel, uint8_t *greenChannel, uint8_t *blueChannel)
 {
 	if (length == 0 || index >= length || length > MAX_NUM_LEDS)
 	{
--- a/src/hyperiond/hyperiond.cpp
+++ b/src/hyperiond/hyperiond.cpp
@@ -90,14 +90,13 @@ HyperionDaemon::HyperionDaemon(QString configFile, const QString rootPath, QObje

 	Info(_log, "Hyperion initialized");

-	connect(_hyperion,SIGNAL(closing()),this,SLOT(freeObjects()));
+	//connect(_hyperion,SIGNAL(closing()),this,SLOT(freeObjects())); for app restart refactor required
+
 	// listen for setting changes
 	connect(_hyperion, &Hyperion::settingsChanged, this, &HyperionDaemon::settingsChanged);
 	// listen for setting changes of framegrabber and v4l2
 	connect(this, &HyperionDaemon::settingsChanged, this, &HyperionDaemon::handleSettingsUpdate);
-	// forward system and v4l images to Hyperion
-	connect(this, &HyperionDaemon::systemImage, _hyperion, &Hyperion::systemImage);
-	connect(this, &HyperionDaemon::v4lImage, _hyperion, &Hyperion::v4lImage);
+
 	// forward videoModes from Hyperion to Daemon evaluation
 	connect(_hyperion, &Hyperion::videoMode, this, &HyperionDaemon::setVideoMode);
 	// forward videoMode changes from Daemon to Hyperion
@@ -107,6 +106,7 @@ HyperionDaemon::HyperionDaemon(QString configFile, const QString rootPath, QObje
 	#if !defined(ENABLE_DISPMANX) && !defined(ENABLE_OSX) && !defined(ENABLE_FB) && !defined(ENABLE_X11) && !defined(ENABLE_AMLOGIC)
 		Warning(_log, "No platform capture can be instantiated, because all grabbers have been left out from the build");
 	#endif
+
 	// init system capture (framegrabber)
 	handleSettingsUpdate(settings::SYSTEMCAPTURE, getSetting(settings::SYSTEMCAPTURE));
 	// init v4l2 capture
@@ -379,7 +379,6 @@ void HyperionDaemon::handleSettingsUpdate(const settings::type& type, const QJso
 			Debug(_log, "V4L2 grabber created");

 			// connect to HyperionDaemon signal
-			connect(grabber, &V4L2Wrapper::systemImage, this, &HyperionDaemon::v4lImage);
 			connect(this, &HyperionDaemon::videoMode, grabber, &V4L2Wrapper::setVideoMode);
 			connect(this, &HyperionDaemon::settingsChanged, grabber, &V4L2Wrapper::handleSettingsUpdate);

@@ -399,7 +398,6 @@ void HyperionDaemon::createGrabberDispmanx()

 	// connect to HyperionDaemon signal
 	connect(this, &HyperionDaemon::videoMode, _dispmanx, &DispmanxWrapper::setVideoMode);
-	connect(_dispmanx, &DispmanxWrapper::systemImage, this, &HyperionDaemon::systemImage);
 	connect(this, &HyperionDaemon::settingsChanged, _dispmanx, &DispmanxWrapper::handleSettingsUpdate);

 	_dispmanx->start();
@@ -419,7 +417,6 @@ void HyperionDaemon::createGrabberAmlogic()

 	// connect to HyperionDaemon signal
 	connect(this, &HyperionDaemon::videoMode, _amlGrabber, &AmlogicWrapper::setVideoMode);
-	connect(_amlGrabber, &AmlogicWrapper::systemImage, this, &HyperionDaemon::systemImage);
 	connect(this, &HyperionDaemon::settingsChanged, _amlGrabber, &AmlogicWrapper::handleSettingsUpdate);

 	_amlGrabber->start();
@@ -440,7 +437,6 @@ void HyperionDaemon::createGrabberX11(const QJsonObject & grabberConfig)

 	// connect to HyperionDaemon signal
 	connect(this, &HyperionDaemon::videoMode, _x11Grabber, &X11Wrapper::setVideoMode);
-	connect(_x11Grabber, &X11Wrapper::systemImage, this, &HyperionDaemon::systemImage);
 	connect(this, &HyperionDaemon::settingsChanged, _x11Grabber, &X11Wrapper::handleSettingsUpdate);

 	_x11Grabber->start();
@@ -461,7 +457,6 @@ void HyperionDaemon::createGrabberFramebuffer(const QJsonObject & grabberConfig)
 	_fbGrabber->setCropping(_grabber_cropLeft, _grabber_cropRight, _grabber_cropTop, _grabber_cropBottom);
 	// connect to HyperionDaemon signal
 	connect(this, &HyperionDaemon::videoMode, _fbGrabber, &FramebufferWrapper::setVideoMode);
-	connect(_fbGrabber, &FramebufferWrapper::systemImage, this, &HyperionDaemon::systemImage);
 	connect(this, &HyperionDaemon::settingsChanged, _fbGrabber, &FramebufferWrapper::handleSettingsUpdate);

 	_fbGrabber->start();
@@ -482,7 +477,6 @@ void HyperionDaemon::createGrabberOsx(const QJsonObject & grabberConfig)

 	// connect to HyperionDaemon signal
 	connect(this, &HyperionDaemon::videoMode, _osxGrabber, &OsxWrapper::setVideoMode);
-	connect(_osxGrabber, &OsxWrapper::systemImage, this, &HyperionDaemon::systemImage);
 	connect(this, &HyperionDaemon::settingsChanged, _osxGrabber, &OsxWrapper::handleSettingsUpdate);

 	_osxGrabber->start();
--- a/src/hyperiond/hyperiond.h
+++ b/src/hyperiond/hyperiond.h
@@ -97,16 +97,6 @@ signals:
 	///
 	void settingsChanged(const settings::type& type, const QJsonDocument& data);

-	///
-	/// @brief PIPE SystemCapture images from SystemCapture over HyperionDaemon to Hyperion class
-	///
-	void systemImage(const Image<ColorRgb>&  image);
-
-	///
-	/// @brief PIPE v4lCapture images from v4lCapture over HyperionDaemon to Hyperion class
-	///
-	void v4lImage(const Image<ColorRgb> & image);
-
 	///
 	/// @brief After eval of setVideoMode this signal emits with a new one on change
 	///