failed loudness eq experiment

AsuroTool/ApplicationData.cpp

@@ -3,7 +3,7 @@
 #include "AudioApi.h"
 #include <functiondiscoverykeys.h>
 
-AudioDevice::AudioDevice(IMMDevice* device, LPCWSTR deviceId)
+AudioDevice::AudioDevice(IMMDevice* device, LPCWSTR deviceId) : device(device)
 {
 	id = std::wstring(deviceId);
 

AsuroTool/AsuroTool.cpp

@@ -7,6 +7,7 @@
 // see https://github.com/microsoft/Windows-classic-samples/blob/main/Samples/Win7Samples/winui/shell/appshellintegration/NotificationIcon/NotificationIcon.cpp
 #pragma comment(linker,"/manifestdependency:\"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
 #pragma comment(lib, "comctl32.lib")
+#pragma comment(lib, "rpcrt4.lib")
 
 #include "Util.h"
 #include "AudioApi.h"
@@ -214,6 +215,7 @@ ImVec2 audioDeviceWindow(ApplicationData& appData, std::vector<AudioDevice>& dev
 			ImGui::TableSetupColumn("Devices", ImGuiTableColumnFlags_WidthStretch, 3.);
 			ImGui::TableSetupColumn("Volume", ImGuiTableColumnFlags_WidthStretch, 1.);
 			ImGui::TableSetupColumn("Defaults", ImGuiTableColumnFlags_WidthFixed, 55.);
+			//ImGui::TableSetupColumn("Proc", ImGuiTableColumnFlags_WidthFixed, 30.);
 			ImGui::TableHeadersRow();
 
 			for (auto& dev : deviceList)
@@ -324,6 +326,21 @@ ImVec2 audioDeviceWindow(ApplicationData& appData, std::vector<AudioDevice>& dev
 					}
 				}
 
+				// Advanced
+				/*ImGui::TableNextColumn();
+
+				AudioProcessingState procState = getAudioProcessing(dev);
+				bool procChecked = procState == AudioProcessingState::Enabled;
+
+				std::string procCbId("cb_proc_");
+				procCbId.append(deviceIdUtf8.c_str());
+				ImGui::PushID(procCbId.c_str());
+				if (ImGui::Checkbox("", &procChecked))
+				{
+					setAudioProcessing(dev, procChecked);
+				}
+				ImGui::PopID();*/
+
 				ImGui::PopStyleColor();
 			}
 

AsuroTool/AudioApi.cpp

@@ -1,15 +1,18 @@
+#include "AudioApi.h"
+#include "Util.h"
+#include "PolicyConfig.h"
 
 #include <windows.h>
 #include <functiondiscoverykeys.h>
 #include <endpointvolume.h>
 
+#include <initguid.h>
+#include <mmdeviceapi.h>
+
 #include <array>
 #include <vector>
 #include <algorithm>
-
+#include <iostream>
-#include "Util.h"
-#include "AudioApi.h"
-#include "PolicyConfig.h"
 
 void initAudio(ApplicationData& appData)
 {
@@ -184,4 +187,58 @@ bool isMuted(IAudioEndpointVolume* volumeInterface)
 void setMuted(IAudioEndpointVolume* volumeInterface, bool newState)
 {
 	volumeInterface->SetMute(static_cast<BOOL>(newState), NULL);
-}
+}
+
+void CreateLoudnessEqualizationKey(PROPERTYKEY& key)
+{
+	// Realtek: const wchar_t* guid = L"E0A941A0-88A2-4df5-8D6B-DD20BB06E8FB";
+	const wchar_t* guid = L"FC52A749-4BE9-4510-896E-966BA6525980";
+	UuidFromString((RPC_WSTR)guid, &key.fmtid);
+	key.pid = 3;
+}
+
+AudioProcessingState getAudioProcessing(AudioDevice& device)
+{
+	return AudioProcessingState::Unknown;
+
+	LPWSTR pwstrEndpointId = NULL;
+	HRESULT hr = device.device->GetId(&pwstrEndpointId);
+
+	IPolicyConfig* pPolicyConfig;
+	hr = CoCreateInstance(__uuidof(CPolicyConfigClient), NULL, CLSCTX_ALL, IID_PPV_ARGS(&pPolicyConfig));
+	if (SUCCEEDED(hr))
+	{
+		PROPVARIANT var;
+		PropVariantInit(&var);
+
+		PROPERTYKEY key{};
+		CreateLoudnessEqualizationKey(key);
+
+		hr = pPolicyConfig->GetPropertyValue(pwstrEndpointId, TRUE, key, &var);
+		pPolicyConfig->Release();
+		return var.boolVal ? AudioProcessingState::Disabled : AudioProcessingState::Enabled;
+	}
+	return AudioProcessingState::Unknown;
+}
+
+void setAudioProcessing(AudioDevice& device, bool newVal)
+{
+	return;
+
+	LPWSTR pwstrEndpointId = NULL;
+	HRESULT hr = device.device->GetId(&pwstrEndpointId);
+
+	IPolicyConfig* pPolicyConfig;
+	hr = CoCreateInstance(__uuidof(CPolicyConfigClient), NULL, CLSCTX_ALL, IID_PPV_ARGS(&pPolicyConfig));
+	if (SUCCEEDED(hr))
+	{
+		PROPVARIANT var;
+		PropVariantInit(&var);
+		var.vt = VT_UI4;
+		var.uintVal = newVal ? ENDPOINT_SYSFX_ENABLED : ENDPOINT_SYSFX_DISABLED;
+		PROPERTYKEY key{};
+		CreateLoudnessEqualizationKey(key);
+		hr = pPolicyConfig->SetPropertyValue(pwstrEndpointId, TRUE, key, &var);
+		pPolicyConfig->Release();
+	}
+}

AsuroTool/AudioApi.h

@@ -1,9 +1,14 @@
 #pragma once
 
-#include <mmdeviceapi.h>
-
 #include "ApplicationData.h"
 
+enum class AudioProcessingState
+{
+	Enabled,
+	Disabled,
+	Unknown
+};
+
 void initAudio(ApplicationData& appData);
 void loadAudioDevices(AudioData& audioData, std::vector<AudioDevice>& deviceList, EDataFlow deviceType);
 void reloadDeviceLists(AudioData& audioData);
@@ -17,4 +22,6 @@ void setVolume(IAudioEndpointVolume* volumeInterface, float newVolume);
 UINT getMeterValues(IAudioMeterInformation* meterInterface, std::array<float, 2>& levels);
 void getVolumeLimit(IAudioEndpointVolume* volumeInterface, float* outMin, float* outMax);
 bool isMuted(IAudioEndpointVolume* volumeInterface);
-void setMuted(IAudioEndpointVolume* volumeInterface, bool newState);
+void setMuted(IAudioEndpointVolume* volumeInterface, bool newState);
+AudioProcessingState getAudioProcessing(AudioDevice& device);
+void setAudioProcessing(AudioDevice& device, bool newVal);

AsuroTool/AudioNotificationListener.h

@@ -1,8 +1,10 @@
 #pragma once
 
-#include <memory>
+#include <initguid.h>
 #include <mmdeviceapi.h>
 
+#include <memory>
+
 class AudioData;
 class ApplicationData;
 class AudioNotificationListener : public IMMNotificationClient {

AsuroTool/PolicyConfig.h

@@ -115,6 +115,9 @@ public:
         PCWSTR,
         INT
     );
+
+    virtual HRESULT STDMETHODCALLTYPE GetPropertyValue(PCWSTR pszDeviceName, BOOL bFxStore, const PROPERTYKEY& pKey, PROPVARIANT* pv) = 0;
+    virtual HRESULT STDMETHODCALLTYPE SetPropertyValue(PCWSTR pszDeviceName, BOOL bFxStore, const PROPERTYKEY& pKey, PROPVARIANT* pv) = 0;
 };
 
 interface DECLSPEC_UUID("568b9108-44bf-40b4-9006-86afe5b5a620") IPolicyConfigVista;

AsuroTool/Settings.h

@@ -1,8 +1,8 @@
 #pragma once
-#include "ImguiBase.h"
-#include <imgui_internal.h>
-
 #include "ApplicationData.h"
+#include "ImguiBase.h"
+
+#include <imgui_internal.h>
 
 void initSettings(DrawData& drawData, ApplicationData& appData);
 

AsuroTool/Util.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <windows.h>
+
 #include <sstream>
 
 bool isError(const HRESULT result, const std::stringstream message);