diff --git a/src/back/backlasses.cpp b/src/back/backlasses.cpp
index 546c863..6c16ceb 100644
--- a/src/back/backlasses.cpp
+++ b/src/back/backlasses.cpp
@@ -38,17 +38,21 @@ HRESULT EndpointCallback::QueryInterface(REFIID riid, VOID **ppvInterface) {
 
 HRESULT EndpointCallback::OnNotify(PAUDIO_VOLUME_NOTIFICATION_DATA pNotify) {
 	if (pNotify == NULL) return E_INVALIDARG;
-	 
-	memcpy(osh->callbackInfo[this->ep->getIndex()]->caller, &pNotify->guidEventContext,sizeof(NGuid) );
-	osh->callbackInfo[this->ep->getIndex()]->muted = pNotify->bMuted; 
-	osh->callbackInfo[this->ep->getIndex()]->mainVolume = pNotify->fMasterVolume;
-	osh->callbackInfo[this->ep->getIndex()]->channels = pNotify->nChannels;
+
+	//TODO: MEMORY LEAK. FREE DATA4 FROM NGUID.
+	//TODO: el default = objcopy frees?
+	//delete osh->getEndpointHandlers().at(this->ep->getIndex())->getCallbackInfo()->caller;		
+	memcpy(osh->getEndpointHandlers().at(this->ep->getIndex())->getCallbackInfo()->caller, &pNotify->guidEventContext,sizeof(NGuid) );
+	
+	osh->getEndpointHandlers().at(this->ep->getIndex())->getCallbackInfo()->muted = pNotify->bMuted; 
+	osh->getEndpointHandlers().at(this->ep->getIndex())->getCallbackInfo()->mainVolume = pNotify->fMasterVolume;
+	osh->getEndpointHandlers().at(this->ep->getIndex())->getCallbackInfo()->channels = pNotify->nChannels;
 	
 	 UINT i = 0;
 	 do {
-	 	osh->callbackInfo[this->ep->getIndex()]->channelVolumes[i] = pNotify->afChannelVolumes[i];
+	 	osh->getEndpointHandlers().at(this->ep->getIndex())->getCallbackInfo()->channelVolumes[i] = pNotify->afChannelVolumes[i];
 	 } while(i++ < pNotify->nChannels);
-	
+	 
     return S_OK;
 }
 
diff --git a/src/cont/contclasses.cpp b/src/cont/contclasses.cpp
index b528c58..f51125d 100644
--- a/src/cont/contclasses.cpp
+++ b/src/cont/contclasses.cpp
@@ -11,6 +11,17 @@ EndpointHandler::EndpointHandler(uint64_t idx) {
 	epc = new EndpointCallback(ep);
 	//epName = ep->getName();
 	ep->setCallback(epc);
+	callbackInfo.muted = this->getMute();
+	callbackInfo.mainVolume = this->getVolume(AudioChannel::CHANNEL_MAIN);
+	callbackInfo.channels = this->getChannelCount();
+	callbackInfo.channelVolumes.resize(this->callbackInfo.channels);
+	for(uint32_t i = 0; i < this->getChannelCount(); i++){
+		callbackInfo.channelVolumes[i] = this->getVolume(i);
+	}
+}
+
+BackEndpointCallbackInfo* EndpointHandler::getCallbackInfo(){
+	return &this->callbackInfo;
 }
 
 uint32_t EndpointHandler::getChannelCount(){
diff --git a/src/cont/contclasses.h b/src/cont/contclasses.h
index b8df406..acfa66b 100644
--- a/src/cont/contclasses.h
+++ b/src/cont/contclasses.h
@@ -1,12 +1,6 @@
 #pragma once
-#define invoke_mem_fn(object,ptrToMember)  ((object).*(ptrToMember))
-#define pinvoke_mem_fn(object,ptrToMember)  ((object)->*(ptrToMember))
-
-/* #ifndef QTBLESSED */
-/* //#define Q_OBJECT */
-/* class QWidget{}; */
-/* class QMainWindow{}; */
-/* #endif */
+//#define invoke_mem_fn(object,ptrToMember)  ((object).*(ptrToMember))
+//#define pinvoke_mem_fn(object,ptrToMember)  ((object)->*(ptrToMember))
 
 class EndpointWidget; 
 class Endpoint;
@@ -31,7 +25,7 @@ struct BackEndpointCallbackInfo {
 	bool  muted;
 	float mainVolume;
 	size_t  channels;
-	float* channelVolumes = nullptr;
+	std::vector<float> channelVolumes;
 };
 
 class EndpointHandler {
@@ -43,6 +37,7 @@ public:
 	EndpointCallback *epc = nullptr;
 	//std::wstring epName;
 
+	BackEndpointCallbackInfo* getCallbackInfo();
 	uint32_t getChannelCount();
 	
 	void setIndex(uint64_t idx);
@@ -59,11 +54,8 @@ public:
 	~EndpointHandler();
 private:
 	uint64_t idx;
+	BackEndpointCallbackInfo callbackInfo;
     //QSlider *slidy;
-
-//signals: 
-
-
 };
 
 
@@ -77,10 +69,6 @@ public:
 	uint64_t getPlaybackEndpointsCount();
 	void reloadEndpointHandlers();
 	NGuid* getGuid();
-
-	//TODO: A EPH
-	BackEndpointCallbackInfo** callbackInfo = nullptr;
-	int callbackInfoSize = 0;
 	
 private:
     static Overseer os;
diff --git a/src/qt/qtclasses.cpp b/src/qt/qtclasses.cpp
index ace2e2b..4da3f95 100644
--- a/src/qt/qtclasses.cpp
+++ b/src/qt/qtclasses.cpp
@@ -35,13 +35,9 @@ EndpointWidget::EndpointWidget(uint64_t idx, EndpointHandler* eph, QWidget *pare
 	mainSlider->setSingleStep(1);
 	mainSlider->setRange(0,100);
 
-	//TODO: APARTE
-	osh->callbackInfo[idx]->muted = eph->getMute();
 	muteButton->setCheckState((eph->getMute()  == false ? Qt::Unchecked : Qt::Checked));
 	muteButton->setText(eph->getMute() ? STRING_UNMUTE : STRING_MUTE);
 	float volume = eph->getVolume(AudioChannel::CHANNEL_MAIN) * 100;
-	//TODO: APARTE
-	osh->callbackInfo[idx]->mainVolume = eph->getVolume(AudioChannel::CHANNEL_MAIN);
 	mainSlider->setValue((int)volume);
 	log_debugcpp("ENDPOINT SET WITH VOLUME " << volume);
 
@@ -55,9 +51,6 @@ EndpointWidget::EndpointWidget(uint64_t idx, EndpointHandler* eph, QWidget *pare
 	connect<void(QSlider::*)(int), void(EndpointWidget::*)(int)>(mainSlider, &QSlider::valueChanged, this,&EndpointWidget::updateMainVolume);
 	connect<void(QCheckBox::*)(int), void(EndpointWidget::*)(int)>(muteButton, &QCheckBox::stateChanged, this, (&EndpointWidget::updateMute));
 	 
-	//TODO: APARTE
-	osh->callbackInfo[idx]->channels = eph->getChannelCount();
-	osh->callbackInfo[idx]->channelVolumes = (float*)calloc(osh->callbackInfo[idx]->channels, sizeof(float));
 
 	for(uint32_t i = 0; i < eph->getChannelCount(); i++){
 		QSlider* tmp = new QSlider(Qt::Horizontal);
@@ -65,8 +58,7 @@ EndpointWidget::EndpointWidget(uint64_t idx, EndpointHandler* eph, QWidget *pare
 		tmp->setTickInterval(5);
 		tmp->setSingleStep(1);
 		tmp->setRange(0,100);
-		//TODO: Aparte
-		osh->callbackInfo[idx]->channelVolumes[i] = eph->getVolume(i);
+
 		volume = eph->getVolume(i) * 100;
 		tmp->setValue((int) volume);
 		tmpLb->setText(QString::number(volume));
@@ -84,22 +76,25 @@ EndpointWidget::EndpointWidget(uint64_t idx, EndpointHandler* eph, QWidget *pare
 	
 	//Polling time
 	timer = new QTimer(this);
-	connect(timer, &QTimer::timeout, [this, idx](){
-		//if (memcmp(osh->callbackInfo[idx]->caller, osh->getGuid(), sizeof(NGuid)) == 0) return;
+	connect(timer, &QTimer::timeout, [this, eph](){
+		//if (memcmp(osh->callbackInfo[idx]->caller, osh->getGuid(), sizeof(NGuid)) == 0) return; CHECK IF THIS PROGRAM GENERATED THE FUNSIES IS NO LONGER IN USE FOR NOW.
 		const float roundingFactor = 0.005;
 		mainSlider->blockSignals(true);
 		muteButton->blockSignals(true);
-		mainSlider->setValue((int)((osh->callbackInfo[idx]->mainVolume + roundingFactor) * 100));
-		muteButton->setCheckState((osh->callbackInfo[idx]->muted == false ? Qt::Unchecked : Qt::Checked));
-		muteButton->setText(osh->callbackInfo[idx]->muted ? STRING_UNMUTE : STRING_MUTE);
-		for(uint32_t i = 0; i < osh->callbackInfo[idx]->channels; i++){
+		mainSlider->setValue((int)((eph->getCallbackInfo()->mainVolume + roundingFactor) * 100));
+		muteButton->setCheckState((eph->getCallbackInfo()->muted == false ? Qt::Unchecked : Qt::Checked));
+		muteButton->setText(eph->getCallbackInfo()->muted ? STRING_UNMUTE : STRING_MUTE);
+		for(uint32_t i = 0; i < eph->getCallbackInfo()->channels; i++){
 			this->channelSliders.at(i)->blockSignals(true);
-			this->channelSliders.at(i)->setValue((int)((osh->callbackInfo[idx]->channelVolumes[i] + roundingFactor) * 100));
-			this->channelLabels.at(i)->setText(QString::number((int)((osh->callbackInfo[idx]->channelVolumes[i] + roundingFactor) * 100)));
+			this->channelSliders.at(i)->setValue((int)((eph->getCallbackInfo()->channelVolumes[i] + roundingFactor) * 100));
+			this->channelLabels.at(i)->setText(QString::number((int)((eph->getCallbackInfo()->channelVolumes[i] + roundingFactor) * 100)));
 			this->channelSliders.at(i)->blockSignals(false);
 		}
 		//memcpy(osh->callbackInfo[idx]->caller, osh->getGuid(), sizeof(NGuid));
-		*osh->callbackInfo[idx]->caller = *osh->getGuid();
+
+		//TODO: el default = objcopy frees?
+		//delete eph->getCallbackInfo()->caller;
+		*eph->getCallbackInfo()->caller = *osh->getGuid();
 		mainSlider->blockSignals(false);
 		muteButton->blockSignals(false);
 	});
@@ -193,17 +188,7 @@ void MainWindow::reloadEndpointWidgets() {
 	size_t i = 0;
 	for (; i < (osh->getEndpointHandlers().size()); i++) {
 		log_debugcpp("EPWidget creation");
-		//TODO: APARTE
-		if(i >= osh->callbackInfoSize) {
-			BackEndpointCallbackInfo** temp = (BackEndpointCallbackInfo**)calloc((i + 1), sizeof(BackEndpointCallbackInfo));
-			memcpy(temp,osh->callbackInfo, i * sizeof(sizeof(BackEndpointCallbackInfo)));
-			free(osh->callbackInfo);
-			osh->callbackInfo = temp;
-			osh->callbackInfo[i] = new BackEndpointCallbackInfo();
-			osh->callbackInfoSize++;
-		}
-		memcpy(osh->callbackInfo[i]->caller, osh->getGuid(),sizeof(NGuid) );
-	
+		*osh->getEndpointHandlers().at(i)->getCallbackInfo()->caller = *osh->getGuid();
 		EndpointWidget *epw = new EndpointWidget(i, osh->getEndpointHandlers().at(i), widget);
 		//TODO: ALWAYS PUSH BACK??? PSZ CHANGE DIS WHEN IMPLEMENTING DYN ENDPOINT DET
 		ews.push_back(epw);