jthedering
90ee2b0aa9
Added: Filter type "IIR", which allows to specify a user-defined IIR filter of arbitrary order with custom coefficients. Improved: For playback devices, the APO is now installed both as GFX (post-mix) and LFX (pre-mix) APO. Normally the filtering happens in GFX, but the command "Stage" allows to select LFX to apply effects based on the number of input channels. Added: Expression language. The commands "If", "ElseIf", "Else", "EndIf", "Eval" and inline expressions allow to change the filter behaviour based on runtime conditions. Added: Command "Copy", which copies audio data between channels. Added: Command "Delay", which delays the audio on the currently selected channels. Improved: Configuration files are now locked exclusively for writing while reading them. Improved: There is now a transition (10 ms) from old to new configuration after loading. Improved: Substantial internal restructuring to improve extensibility and maintainability. Filtering commands now work exactly in the order they were specified. Fixed: When the microphone input was in stereo but the application requested a mono stream, the audio was heavily distorted. Fixed: The sine sweep generated by the Benchmark application had floating-point precision issues leading to severe artifacts when certain filters were applied.
70 lines
2.4 KiB
C++
70 lines
2.4 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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#pragma once
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#include <string>
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#include <vector>
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#include <stdexcept>
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#define APP_REGPATH L"HKEY_LOCAL_MACHINE\\SOFTWARE\\EqualizerAPO"
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class RegistryHelper
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{
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public:
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static std::wstring readValue(std::wstring key, std::wstring valuename);
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static unsigned long readDWORDValue(std::wstring key, std::wstring valuename);
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static void writeValue(std::wstring key, std::wstring valuename, std::wstring value);
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static void writeMultiValue(std::wstring key, std::wstring valuename, std::wstring value);
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static void deleteValue(std::wstring key, std::wstring valuename);
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static void createKey(std::wstring key);
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static void deleteKey(std::wstring key);
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static void makeWritable(std::wstring key);
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static void takeOwnership(std::wstring key);
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static std::vector<std::wstring> enumSubKeys(std::wstring key);
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static bool keyExists(std::wstring key);
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static bool valueExists(std::wstring key, std::wstring valuename);
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static bool keyEmpty(std::wstring key);
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static void saveToFile(std::wstring key, std::vector<std::wstring> valuenames, std::wstring filepath);
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static std::wstring getGuidString(GUID guid);
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static bool isWindowsVersionAtLeast(unsigned major, unsigned minor);
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static HKEY openKey(const std::wstring& key, REGSAM samDesired);
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private:
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static std::wstring splitKey(const std::wstring& key, HKEY* rootKey);
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static unsigned long windowsVersion;
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};
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class RegistryException
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{
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public:
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RegistryException(const std::wstring& message):message(message) {}
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std::wstring getMessage()
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{
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return message;
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}
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private:
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std::wstring message;
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};
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