jthedering
a89f649009
Fixed: Windows 8.1 is now supported. Added: Filter types LSC and HSC that allow specifying the shelf slope with center frequency, unlike LS/HS 6/12db which use corner frequency.
261 lines
8.0 KiB
C++
261 lines
8.0 KiB
C++
/*
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This file is part of EqualizerAPO, a system-wide equalizer.
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Copyright (C) 2012 Jonas Thedering
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <mmdeviceapi.h>
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#include "DeviceAPOInfo.h"
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#include "EqualizerAPO.h"
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#include "ParametricEQ.h"
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#include "StringHelper.h"
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#include "RegistryHelper.h"
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using namespace std;
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#define commonKeyPath L"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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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* 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* lfxGuidValueName2 = L"{d04e05a6-594b-4fb6-a80d-01af5eed7d1d},5";
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static const wchar_t* gfxGuidValueName2 = L"{d04e05a6-594b-4fb6-a80d-01af5eed7d1d},6";
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static const wchar_t* fxTitleValueName = L"{b725f130-47ef-101a-a5f1-02608c9eebac},10";
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static const wchar_t* sfxProcessingModesValueName = L"{d3993a3f-99c2-4402-b5ec-a92a0367664b},5";
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static const wchar_t* mfxProcessingModesValueName = L"{d3993a3f-99c2-4402-b5ec-a92a0367664b},6";
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static const wchar_t* defaultProcessingModeValue = L"{C18E2F7E-933D-4965-B7D1-1EEF228D2AF3}";
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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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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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result.push_back(info);
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}
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return result;
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}
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bool DeviceAPOInfo::load(const wstring& deviceGuid)
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{
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wstring keyPath;
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if(RegistryHelper::keyExists(renderKeyPath L"\\" + deviceGuid))
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{
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keyPath = renderKeyPath L"\\" + deviceGuid;
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isInput = false;
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}
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else
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{
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keyPath = captureKeyPath L"\\" + deviceGuid;
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isInput = true;
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}
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unsigned long deviceState = RegistryHelper::readDWORDValue(keyPath, L"DeviceState");
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if(deviceState & DEVICE_STATE_NOTPRESENT)
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return false;
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this->deviceGuid = 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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isInstalled = false;
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isLFX = false;
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isAPO2 = false;
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foundAPO2Values = false;
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if(!RegistryHelper::keyExists(keyPath + L"\\FxProperties"))
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{
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originalApoGuid = APOGUID_NOKEY;
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}
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else
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{
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originalApoGuid = APOGUID_NOVALUE;
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bool found = tryAPOGuid(keyPath, lfxGuidValueName, true, false);
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if(!found)
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found = tryAPOGuid(keyPath, gfxGuidValueName, false, false);
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if(!found)
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found = tryAPOGuid(keyPath, lfxGuidValueName2, true, true);
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if(!found)
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found = tryAPOGuid(keyPath, gfxGuidValueName2, false, true);
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foundAPO2Values = RegistryHelper::valueExists(keyPath + L"\\FxProperties", lfxGuidValueName2)
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|| RegistryHelper::valueExists(keyPath + L"\\FxProperties", gfxGuidValueName2);
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if(found)
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{
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if(RegistryHelper::valueExists(APP_REGPATH L"\\Child APOs", deviceGuid))
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originalApoGuid = RegistryHelper::readValue(APP_REGPATH L"\\Child APOs", deviceGuid);
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}
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else
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{
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wstring guidValueName;
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if(isInput)
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{
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guidValueName = lfxGuidValueName;
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if(foundAPO2Values)
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guidValueName = lfxGuidValueName2;
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}
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else
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{
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guidValueName = gfxGuidValueName;
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if(foundAPO2Values)
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guidValueName = gfxGuidValueName2;
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}
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if(RegistryHelper::valueExists(keyPath + L"\\FxProperties", guidValueName))
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originalApoGuid = RegistryHelper::readValue(keyPath + L"\\FxProperties", guidValueName);
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}
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}
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return true;
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}
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bool DeviceAPOInfo::canBeUpgraded()
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{
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return isInstalled && (!isInput && isLFX || !isAPO2 && foundAPO2Values);
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}
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bool DeviceAPOInfo::isExperimental()
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{
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return !isInstalled && originalApoGuid == APOGUID_NOKEY;
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}
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void DeviceAPOInfo::install()
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{
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RegistryHelper::createKey(APP_REGPATH L"\\Child APOs");
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RegistryHelper::writeValue(APP_REGPATH L"\\Child APOs", deviceGuid, originalApoGuid);
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wstring keyPath;
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wstring guidValueName;
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if(isInput)
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{
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keyPath = captureKeyPath L"\\" + deviceGuid;
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guidValueName = lfxGuidValueName;
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if(foundAPO2Values)
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guidValueName = lfxGuidValueName2;
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}
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else
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{
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keyPath = renderKeyPath L"\\" + deviceGuid;
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guidValueName = gfxGuidValueName;
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if(foundAPO2Values)
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guidValueName = gfxGuidValueName2;
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}
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if(originalApoGuid == APOGUID_NOKEY)
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{
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try
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{
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RegistryHelper::createKey(keyPath + L"\\FxProperties");
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}
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catch(RegistryException e)
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{
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// Permissions were not sufficient, so change them
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RegistryHelper::takeOwnership(keyPath);
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RegistryHelper::makeWritable(keyPath);
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RegistryHelper::createKey(keyPath + L"\\FxProperties");
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}
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RegistryHelper::writeValue(keyPath + L"\\FxProperties", fxTitleValueName, L"Equalizer APO");
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RegistryHelper::writeMultiValue(keyPath + L"\\FxProperties", sfxProcessingModesValueName, defaultProcessingModeValue);
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RegistryHelper::writeMultiValue(keyPath + L"\\FxProperties", mfxProcessingModesValueName, defaultProcessingModeValue);
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}
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else if(originalApoGuid != APOGUID_NOVALUE)
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{
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RegistryHelper::saveToFile(keyPath + L"\\FxProperties", guidValueName,
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L"backup_" + StringHelper::replaceIllegalCharacters(deviceName) + L"_" + StringHelper::replaceIllegalCharacters(connectionName) + L".reg");
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}
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RegistryHelper::writeValue(keyPath + L"\\FxProperties", guidValueName, RegistryHelper::getGuidString(__uuidof(EqualizerAPO)));
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}
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void DeviceAPOInfo::uninstall()
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{
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wstring keyPath;
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if(!isInput)
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keyPath = renderKeyPath L"\\" + deviceGuid;
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else
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keyPath = captureKeyPath L"\\" + deviceGuid;
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if(originalApoGuid == APOGUID_NOKEY)
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{
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RegistryHelper::deleteKey(keyPath + L"\\FxProperties");
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}
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else
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{
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wstring guidValueName;
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if(isLFX)
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{
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guidValueName = lfxGuidValueName;
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if(isAPO2)
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guidValueName = lfxGuidValueName2;
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}
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else
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{
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guidValueName = gfxGuidValueName;
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if(isAPO2)
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guidValueName = gfxGuidValueName2;
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}
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if(originalApoGuid == APOGUID_NOVALUE)
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RegistryHelper::deleteValue(keyPath + L"\\FxProperties", guidValueName);
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else
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RegistryHelper::writeValue(keyPath + L"\\FxProperties", guidValueName, originalApoGuid);
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}
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if(RegistryHelper::valueExists(APP_REGPATH L"\\Child APOs", deviceGuid))
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RegistryHelper::deleteValue(APP_REGPATH L"\\Child APOs", deviceGuid);
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if(RegistryHelper::valueCount(APP_REGPATH L"\\Child APOs") == 0)
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RegistryHelper::deleteKey(APP_REGPATH L"\\Child APOs");
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}
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bool DeviceAPOInfo::tryAPOGuid(const wstring& keyPath, const wchar_t* valueName, bool lfx, bool apo2)
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{
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if(RegistryHelper::valueExists(keyPath + L"\\FxProperties", valueName))
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{
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wstring apoGuidString = RegistryHelper::readValue(keyPath + L"\\FxProperties", valueName);
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GUID apoGuid;
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if(SUCCEEDED(CLSIDFromString(apoGuidString.c_str(), &apoGuid)))
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{
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if(apoGuid == __uuidof(EqualizerAPO))
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{
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isInstalled = true;
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isLFX = lfx;
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isAPO2 = apo2;
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return true;
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}
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}
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}
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return false;
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}
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