Version 1.0
Added: Configuration Editor, which allows to edit configurations in a graphical user interface. Contains GUIs for most commands supported by E-APO, but as lines can also be edited directly, all commands can be used. Added: Command "GraphicEQ", which can act as a regular, fixed-band graphic equalizer (via the GUI) but also supports variable bands so that any desired frequency response can be specified. Internally, it is implemented via convolution with a generated IR. Added: Command "Convolution", which allows to convolve the signal with a user-provided impulse response to achieve e.g. equalization or reverberation effects. Improved: Configurator performs checks for registry values that are needed for the operation of E-APO, which may be changed by driver installations, fixing the values if necessary. Improved: Configurator shows which is the default device as a hint to the user.
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@@ -17,16 +17,19 @@
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "stdafx.h"
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#include <mmdeviceapi.h>
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#include <mmreg.h>
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#include "DeviceAPOInfo.h"
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#include "EqualizerAPO.h"
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#include "helpers/StringHelper.h"
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#include "helpers/RegistryHelper.h"
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using namespace std;
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#define protectedDGKeyPath L"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Audio"
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#define protectedDGValueName L"DisableProtectedAudioDG"
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#define commonKeyPath L"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\MMDevices\\Audio"
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#define renderKeyPath commonKeyPath L"\\Render"
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#define captureKeyPath commonKeyPath L"\\Capture"
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@@ -36,6 +39,8 @@ static const wchar_t* postMixChildGuidValueName = L"PostMixChild";
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static const wchar_t* versionValueName = L"Version";
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static const wchar_t* connectionValueName = L"{a45c254e-df1c-4efd-8020-67d146a850e0},2";
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static const wchar_t* deviceValueName = L"{b3f8fa53-0004-438e-9003-51a46e139bfc},6";
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static const wchar_t* formatValueName = L"{f19f064d-082c-4e27-bc73-6882a1bb8e4c},0";
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static const wchar_t* channelMaskValueName = L"{1da5d803-d492-4edd-8c23-e0c0ffee7f0e},3";
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static const wchar_t* lfxGuidValueName = L"{d04e05a6-594b-4fb6-a80d-01af5eed7d1d},1";
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static const wchar_t* gfxGuidValueName = L"{d04e05a6-594b-4fb6-a80d-01af5eed7d1d},2";
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static const wchar_t* sfxGuidValueName = L"{d04e05a6-594b-4fb6-a80d-01af5eed7d1d},5";
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@@ -43,7 +48,7 @@ static const wchar_t* mfxGuidValueName = L"{d04e05a6-594b-4fb6-a80d-01af5eed7d1d
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static const wchar_t* efxGuidValueName = L"{d04e05a6-594b-4fb6-a80d-01af5eed7d1d},7";
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static const unsigned allGuidValueNameCount = 5;
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static const wchar_t* allGuidValueNames[] = {lfxGuidValueName, gfxGuidValueName, sfxGuidValueName, mfxGuidValueName, efxGuidValueName};
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static enum GuidValueIndices
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enum GuidValueIndices
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{
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LFX_INDEX = 0,
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GFX_INDEX = 1,
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@@ -56,18 +61,21 @@ static const wchar_t* sfxProcessingModesValueName = L"{d3993a3f-99c2-4402-b5ec-a
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static const wchar_t* mfxProcessingModesValueName = L"{d3993a3f-99c2-4402-b5ec-a92a0367664b},6";
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static const wchar_t* efxProcessingModesValueName = L"{d3993a3f-99c2-4402-b5ec-a92a0367664b},7";
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static const wchar_t* defaultProcessingModeValue = L"{C18E2F7E-933D-4965-B7D1-1EEF228D2AF3}";
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static const wchar_t* disableEnhancementsValueName = L"{1da5d803-d492-4edd-8c23-e0c0ffee7f0e},5";
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static const wchar_t* installVersion = L"2";
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static PROPERTYKEY guidPropertyKey = {{0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e}, 4};
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vector<DeviceAPOInfo> DeviceAPOInfo::loadAllInfos(bool input)
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{
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vector<DeviceAPOInfo> result;
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vector<wstring> deviceGuidStrings = RegistryHelper::enumSubKeys(input ? captureKeyPath : renderKeyPath);
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wstring defaultDeviceGuid = getDefaultDevice(input);
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for(vector<wstring>::iterator it = deviceGuidStrings.begin(); it != deviceGuidStrings.end(); it++)
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{
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wstring deviceGuidString = *it;
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DeviceAPOInfo info;
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if(info.load(deviceGuidString))
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if(info.load(deviceGuidString, defaultDeviceGuid))
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{
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info.selectedInstallState = info.currentInstallState;
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result.push_back(info);
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@@ -77,7 +85,56 @@ vector<DeviceAPOInfo> DeviceAPOInfo::loadAllInfos(bool input)
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return result;
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}
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bool DeviceAPOInfo::load(const wstring& deviceGuid)
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wstring DeviceAPOInfo::getDefaultDevice(bool input, int role)
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{
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wstring result;
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IMMDeviceEnumerator* enumerator = NULL;
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HRESULT hr = CoCreateInstance(__uuidof(MMDeviceEnumerator), NULL, CLSCTX_ALL, __uuidof(IMMDeviceEnumerator), (void**)&enumerator);
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if(SUCCEEDED(hr))
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{
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IMMDevice* endPoint = NULL;
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hr = enumerator->GetDefaultAudioEndpoint(input ? eCapture : eRender, (ERole)role, &endPoint);
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if(SUCCEEDED(hr))
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{
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IPropertyStore* propertyStore = NULL;
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hr = endPoint->OpenPropertyStore(STGM_READ, &propertyStore);
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if(SUCCEEDED(hr))
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{
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PROPVARIANT variant;
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PropVariantInit(&variant);
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hr = propertyStore->GetValue(guidPropertyKey, &variant);
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if(SUCCEEDED(hr))
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{
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result = variant.pwszVal;
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PropVariantClear(&variant);
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}
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propertyStore->Release();
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}
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endPoint->Release();
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}
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enumerator->Release();
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}
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return result;
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}
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bool DeviceAPOInfo::checkProtectedAudioDG(bool fix)
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{
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bool result = true;
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if (!RegistryHelper::valueExists(protectedDGKeyPath, protectedDGValueName) || RegistryHelper::readDWORDValue(protectedDGKeyPath, protectedDGValueName) != 1)
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{
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result = false;
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if (fix)
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RegistryHelper::writeDWORDValue(protectedDGKeyPath, protectedDGValueName, 1);
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}
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return result;
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}
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bool DeviceAPOInfo::load(const wstring& deviceGuid, wstring defaultDeviceGuid)
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{
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wstring keyPath;
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if(RegistryHelper::keyExists(renderKeyPath L"\\" + deviceGuid))
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@@ -100,6 +157,40 @@ bool DeviceAPOInfo::load(const wstring& deviceGuid)
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connectionName = RegistryHelper::readValue(keyPath + L"\\Properties", connectionValueName);
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deviceName = RegistryHelper::readValue(keyPath + L"\\Properties", deviceValueName);
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channelCount = 0;
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sampleRate = 0;
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channelMask = 0;
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if(RegistryHelper::valueExists(keyPath + L"\\Properties", formatValueName))
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{
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std::vector<unsigned char> format = RegistryHelper::readBinaryValue(keyPath + L"\\Properties", formatValueName);
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if(format.size() >= sizeof(WAVEFORMATEX) + 8)
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{
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WAVEFORMATEX* waveFormat = (WAVEFORMATEX*)&format[8];
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channelCount = waveFormat->nChannels;
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sampleRate = waveFormat->nSamplesPerSec;
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if(waveFormat->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
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{
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WAVEFORMATEXTENSIBLE* waveFormatExtensible = (WAVEFORMATEXTENSIBLE*)waveFormat;
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channelMask = waveFormatExtensible->dwChannelMask;
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}
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}
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}
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if(channelMask == 0 && RegistryHelper::valueExists(keyPath + L"\\Properties", channelMaskValueName))
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channelMask = RegistryHelper::readDWORDValue(keyPath + L"\\Properties", channelMaskValueName);
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if(defaultDeviceGuid == L"")
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defaultDeviceGuid = getDefaultDevice(isInput);
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GUID guid1, guid2;
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if(SUCCEEDED(CLSIDFromString(deviceGuid.c_str(), &guid1)) && SUCCEEDED(CLSIDFromString(defaultDeviceGuid.c_str(), &guid2)))
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isDefaultDevice = (guid1 == guid2) != 0;
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else
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isDefaultDevice = false;
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isEnhancementsDisabled = false;
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if(RegistryHelper::keyExists(keyPath + L"\\FxProperties") && RegistryHelper::valueExists(keyPath + L"\\FxProperties", disableEnhancementsValueName))
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isEnhancementsDisabled = RegistryHelper::readDWORDValue(keyPath + L"\\FxProperties", disableEnhancementsValueName) != 0;
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isInstalled = false;
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currentInstallState.installMode = INSTALL_LFX_GFX;
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version = L"0";
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@@ -112,12 +203,12 @@ bool DeviceAPOInfo::load(const wstring& deviceGuid)
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if(!RegistryHelper::keyExists(keyPath + L"\\FxProperties"))
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{
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for(int i=0; i < allGuidValueNameCount; i++)
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for(int i = 0; i < allGuidValueNameCount; i++)
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originalApoGuids[i] = APOGUID_NOKEY;
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}
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else
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{
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for(int i=0; i < allGuidValueNameCount; i++)
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for(int i = 0; i < allGuidValueNameCount; i++)
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{
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if(RegistryHelper::valueExists(keyPath + L"\\FxProperties", allGuidValueNames[i]))
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originalApoGuids[i] = RegistryHelper::readValue(keyPath + L"\\FxProperties", allGuidValueNames[i]);
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@@ -127,7 +218,7 @@ bool DeviceAPOInfo::load(const wstring& deviceGuid)
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bool found = false;
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bool foundAt[allGuidValueNameCount];
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for(int i=0; i < allGuidValueNameCount; i++)
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for(int i = 0; i < allGuidValueNameCount; i++)
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{
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foundAt[i] = false;
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@@ -164,7 +255,7 @@ bool DeviceAPOInfo::load(const wstring& deviceGuid)
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version = L"1";
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}
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for(int i=0; i < allGuidValueNameCount; i++)
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for(int i = 0; i < allGuidValueNameCount; i++)
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{
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if(RegistryHelper::valueExists(childApoPath L"\\" + deviceGuid, allGuidValueNames[i]))
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originalApoGuids[i] = RegistryHelper::readValue(childApoPath L"\\" + deviceGuid, allGuidValueNames[i]);
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@@ -208,7 +299,7 @@ bool DeviceAPOInfo::load(const wstring& deviceGuid)
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}
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else if(RegistryHelper::valueExists(childApoPath, deviceGuid))
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{
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for(int i=0; i < allGuidValueNameCount; i++)
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for(int i = 0; i < allGuidValueNameCount; i++)
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{
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if(foundAt[i])
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{
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@@ -335,7 +426,7 @@ void DeviceAPOInfo::install()
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RegistryHelper::writeValue(keyPath + L"\\FxProperties", fxTitleValueName, L"Equalizer APO");
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for(int i=0; i < allGuidValueNameCount; i++)
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for(int i = 0; i < allGuidValueNameCount; i++)
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{
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RegistryHelper::writeValue(childApoPath L"\\" + deviceGuid, allGuidValueNames[i], APOGUID_NOKEY);
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}
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@@ -344,7 +435,7 @@ void DeviceAPOInfo::install()
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{
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vector<wstring> valuenames;
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for(int i=0; i < allGuidValueNameCount; i++)
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for(int i = 0; i < allGuidValueNameCount; i++)
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{
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wstring apoGuidString = APOGUID_NOVALUE;
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if(RegistryHelper::valueExists(keyPath + L"\\FxProperties", allGuidValueNames[i]))
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@@ -358,7 +449,7 @@ void DeviceAPOInfo::install()
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if(!valuenames.empty())
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RegistryHelper::saveToFile(keyPath + L"\\FxProperties", valuenames,
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L"backup_" + StringHelper::replaceIllegalCharacters(deviceName) + L"_" + StringHelper::replaceIllegalCharacters(connectionName) + L".reg");
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L"backup_" + StringHelper::replaceIllegalCharacters(deviceName) + L"_" + StringHelper::replaceIllegalCharacters(connectionName) + L".reg");
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}
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wstring preMixValue;
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@@ -425,6 +516,10 @@ void DeviceAPOInfo::install()
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RegistryHelper::writeMultiValue(keyPath + L"\\FxProperties", efxProcessingModesValueName, defaultProcessingModeValue);
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}
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}
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// force-enable enhancements
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if(RegistryHelper::valueExists(keyPath + L"\\FxProperties", disableEnhancementsValueName))
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RegistryHelper::deleteValue(keyPath + L"\\FxProperties", disableEnhancementsValueName);
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}
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void DeviceAPOInfo::uninstall()
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@@ -441,7 +536,7 @@ void DeviceAPOInfo::uninstall()
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}
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else
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{
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for(int i=0; i < allGuidValueNameCount; i++)
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for(int i = 0; i < allGuidValueNameCount; i++)
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{
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if(originalApoGuids[i] == APOGUID_NOVALUE)
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{
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