jthedering
a24eaa0cd9
Fixed: When trying to add a high-pass filter in the Configuration Editor, it was instead configured to be a low-pass filter.
114 lines
2.8 KiB
C++
114 lines
2.8 KiB
C++
/*
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This file is part of Equalizer APO, a system-wide equalizer.
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Copyright (C) 2017 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 "stdafx.h"
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#include <Imagehlp.h>
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#include "AbstractLibrary.h"
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#include "helpers/LogHelper.h"
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using namespace std;
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AbstractLibrary::~AbstractLibrary()
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{
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if (module != NULL)
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{
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wchar_t path[MAX_PATH];
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GetModuleFileNameW(module, path, MAX_PATH);
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FreeLibrary(module);
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module = NULL;
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TraceF(L"Unloaded library %s", path);
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}
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}
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int AbstractLibrary::initialize()
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{
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if (module == NULL)
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{
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wstring libPath = getLibPath();
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if (GetFileAttributesW(libPath.c_str()) == INVALID_FILE_ATTRIBUTES)
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return FILE_NOT_FOUND;
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module = LoadLibraryW(libPath.c_str());
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if (module == NULL)
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{
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unsigned short arch = getFileArchitecture(libPath);
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#ifdef _WIN64
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int bitDepth = 64;
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#else
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int bitDepth = 32;
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#endif
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if (arch != 0 && (bitDepth == 64 && arch != IMAGE_FILE_MACHINE_AMD64
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|| bitDepth == 32 && arch != IMAGE_FILE_MACHINE_I386))
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return WRONG_ARCHITECTURE;
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return LOADING_FAILED;
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}
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if (!loadFunctions())
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{
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FreeLibrary(module);
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module = NULL;
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return FUNCTIONS_MISSING;
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}
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int res = customInitialize();
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if (res < 0)
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return res;
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TraceF(L"Loaded library %s", libPath.c_str());
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return 1;
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}
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return 0;
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}
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int AbstractLibrary::customInitialize()
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{
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// overwrite if needed
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return 0;
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}
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unsigned short AbstractLibrary::getFileArchitecture(const wstring& filePath)
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{
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unsigned short result = 0;
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HANDLE hFile = CreateFileW(filePath.c_str(), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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if (hFile != INVALID_HANDLE_VALUE)
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{
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HANDLE hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL);
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if (hMap != NULL)
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{
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void* mapAddr = MapViewOfFileEx(hMap, FILE_MAP_READ, 0, 0, 0, NULL);
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if (mapAddr != NULL)
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{
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PIMAGE_NT_HEADERS ntHeaders = ImageNtHeader(mapAddr);
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if (ntHeaders != NULL)
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result = ntHeaders->FileHeader.Machine;
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UnmapViewOfFile(mapAddr);
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}
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CloseHandle(hMap);
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}
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CloseHandle(hFile);
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}
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return result;
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}
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