94 lines
3.5 KiB
C++
94 lines
3.5 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 "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 renderKeyPath L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\MMDevices\\Audio\\Render"
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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* apoGuidValueName = L"{d04e05a6-594b-4fb6-a80d-01af5eed7d1d},1";
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vector<DeviceAPOInfo> DeviceAPOInfo::loadAllInfos()
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{
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vector<DeviceAPOInfo> result;
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vector<wstring> deviceGuidStrings = RegistryHelper::enumSubKeys(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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if(!RegistryHelper::keyExists(renderKeyPath L"\\" + deviceGuid + L"\\FxProperties"))
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return false;
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this->deviceGuid = deviceGuid;
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connectionName = RegistryHelper::readValue(renderKeyPath L"\\" + deviceGuid + L"\\Properties", connectionValueName);
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deviceName = RegistryHelper::readValue(renderKeyPath L"\\" + deviceGuid + L"\\Properties", deviceValueName);
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originalApoGuid = RegistryHelper::readValue(renderKeyPath L"\\" + deviceGuid + L"\\FxProperties", apoGuidValueName);
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GUID apoGuid;
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if(!SUCCEEDED(CLSIDFromString(originalApoGuid.c_str(), &apoGuid)))
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return false;
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isInstalled = false;
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if(apoGuid == __uuidof(EqualizerAPO))
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isInstalled = true;
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return true;
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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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RegistryHelper::saveToFile(renderKeyPath L"\\" + deviceGuid + L"\\FxProperties", apoGuidValueName,
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L"backup_" + StringHelper::replaceIllegalCharacters(deviceName) + L"_" + StringHelper::replaceIllegalCharacters(connectionName) + L".reg");
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RegistryHelper::writeValue(renderKeyPath L"\\" + deviceGuid + L"\\FxProperties", apoGuidValueName, RegistryHelper::getGuidString(__uuidof(EqualizerAPO)));
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}
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void DeviceAPOInfo::uninstall()
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{
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wstring originalChildApoGuid = RegistryHelper::readValue(APP_REGPATH L"\\Child APOs", deviceGuid);
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RegistryHelper::writeValue(renderKeyPath L"\\" + deviceGuid + L"\\FxProperties", apoGuidValueName, originalChildApoGuid);
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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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