wip: session meter

src/back/backlasses.cpp

@@ -294,6 +294,11 @@ void Endpoint::activateEndpointSessions() {
 	for (int i = 0; i < sessionCount; i++) {
 		IAudioSessionControl* sessionControlTmp;
 		sessionEnumerator->GetSession(i, (IAudioSessionControl**)&sessionControlTmp);
+		/*todo: borrar when donezo
+		 * float test2;
+		 * IAudioMeterInformation* ttmp = (IAudioMeterInformation*)sessionControlTmp;
+		 * ttmp->GetPeakValue(&test2);
+		 */
 		//todo:: asegurar lo del dynamic_cast
 		IAudioSessionControl2* sessionControl;
 		sessionControlTmp->QueryInterface(__uuidof(IAudioSessionControl2), (void**)&sessionControl);

src/back/backsessionclasses.cpp

@@ -100,7 +100,11 @@ Session::Session(Endpoint* ep, IAudioSessionControl2* sessionControl, size_t idx
 	this->ep = ep;
 	this->sessionControl = sessionControl;
 	this->idx = idx;
-
+	//https://matthewvaneerde.wordpress.com/2012/06/08/getting-audio-peak-meter-values-for-all-active-audio-sessions/
+	if (FAILED(sessionControl->QueryInterface(__uuidof(IAudioMeterInformation), (void**)&meterInformation))) { log_wdebugcpp(L"sPeakbros......"); };
+	//meterInformation = (IAudioMeterInformation*)sessionControl;
+	
+	
 	AudioSessionState msState;
 	sessionControl->GetState(&msState);
 	switch (msState) {
@@ -142,6 +146,13 @@ float Session::getVolume(int channel){
 	return volume;
 }
 
+float Session::getPeakVolume() {
+	float peakVol;
+	if(meterInformation) meterInformation->GetPeakValue(&peakVol);
+	else return 0;
+	return peakVol;
+}
+
 /*
  * uint32_t Endpoint::getChannelCount(){
  * 	return (uint32_t)channelCount;
@@ -283,6 +294,7 @@ void Session::removeStateCallback(SessionStateCallback *ssc){
 }
 
 Session::~Session() {
+	meterInformation->Release();
 	sessionControl->Release();
 	sessionVolume->Release();
 }

src/back/backsessionclasses.h

@@ -33,6 +33,7 @@ class Session {
 	Session(Endpoint* ep, IAudioSessionControl2* sessionControl) : Session(ep, sessionControl, SIZE_MAX) {};
 	void setVolume(NGuid guid, int channel, float volume);
 	float getVolume(int channel);
+	float getPeakVolume();
 	void setMute(NGuid guid, bool muted);
 	bool getMute();
 	SessionState getState();
@@ -51,6 +52,7 @@ class Session {
 	SessionState sessionState;
 	Endpoint* ep;
 	IAudioSessionControl2* sessionControl = nullptr;
+	IAudioMeterInformation* meterInformation = nullptr;
 	ISimpleAudioVolume* sessionVolume = nullptr;
 	size_t idx;
 };

src/cont/contsessionclasses.cpp

@@ -36,6 +36,10 @@ void SessionHandler::setName(std::wstring newName){
 	session->setName(newName);
 }
 
+float SessionHandler::getPeakVolume(){
+	return session->getPeakVolume();
+}
+
 bool SessionHandler::getMute(){
     return session->getMute();
 }

src/cont/contsessionclasses.h

@@ -29,6 +29,7 @@ class SessionHandler {
 	void setState(SessionState state);
 	uint64_t getFrontIndex();
 	std::wstring getName();
+	float getPeakVolume();
 	void setName(std::wstring newName);
 	void reviseSessionShowing(SessionState state);
 	SessionVolumeInfo* getVolumeInfo();

src/qt/qtclasses.cpp

@@ -200,7 +200,7 @@ SessionWidget::SessionWidget(uint64_t idx, SessionHandler* sh, QWidget *parent)
 	
 	muteButton = new QCheckBox(this);
 	mainLabel = new QLabel(QString::fromStdWString(sh->getName()), this);
-	mainSlider = new QSlider(Qt::Horizontal, this);
+	mainSlider = new MeterSlider(Qt::Horizontal, this);
 
 	//mainLabel->setMaximumWidth(150 /*1/16ish 1080p*/);
 	//mainLabel->setMinimumWidth(150 /*1/16ish 1080p*/);
@@ -248,9 +248,10 @@ SessionWidget::SessionWidget(uint64_t idx, SessionHandler* sh, QWidget *parent)
 		mainSlider->blockSignals(true);
 		muteButton->blockSignals(true);
 		mainSlider->setValue((int)((sh->getVolumeInfo()->mainVolume + roundingFactor) * 100));
+		mainSlider->setPeakValue(sh->getPeakVolume());
+		mainSlider->update();
 		muteButton->setCheckState((sh->getVolumeInfo()->muted == false ? Qt::Unchecked : Qt::Checked));
 		muteButton->setText(sh->getVolumeInfo()->muted ? STRING_UNMUTE : STRING_MUTE);
-		
 		//memcpy(osh->callbackInfo[idx]->caller, osh->getGuid(), sizeof(NGuid));
 
 		//TODO: el default = objcopy frees?
@@ -259,7 +260,7 @@ SessionWidget::SessionWidget(uint64_t idx, SessionHandler* sh, QWidget *parent)
 		mainSlider->blockSignals(false);
 		muteButton->blockSignals(false);
 	});
-	volumePoller->start(10);
+	volumePoller->start(2);
 }
 
 void SessionWidget::calculateSize(uint64_t width, uint64_t height) {

src/qt/qtclasses.h

@@ -112,7 +112,7 @@ public slots:
 	
 private:
 	QLabel *mainLabel = nullptr;
-	QSlider *mainSlider = nullptr;
+	MeterSlider *mainSlider = nullptr;
 	uint64_t idx;
 	QHBoxLayout *widgetLayout = nullptr;
 	QCheckBox *muteButton = nullptr;