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113 lines
No EOL
4 KiB
C++
113 lines
No EOL
4 KiB
C++
// Part of SAASound copyright 2020 Dave Hooper <dave@beermex.com>
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//
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// SAAConfig.cpp: configuration file handler class
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//
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//////////////////////////////////////////////////////////////////////
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#include "defns.h"
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#ifdef USE_CONFIG_FILE
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#include "SAAConfig.h"
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#define INI_READONLY
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#define INI_ANSIONLY
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#include "minIni/minIni.h"
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#include <codecvt>
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SAAConfig::SAAConfig()
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:
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m_bHasReadConfig(false),
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m_bGenerateRegisterLogs(false),
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m_bGeneratePcmLogs(false),
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m_bGeneratePcmSeparateChannels(false),
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m_nBoost(DEFAULT_BOOST),
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m_bHighpass(true),
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m_nOversample(DEFAULT_OVERSAMPLE),
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m_minIni(_T(CONFIG_FILE_PATH))
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{
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}
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void SAAConfig::ReadConfig()
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{
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// Assume (i.e. require) that the config file is always in UTF-8 .
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// These days, I think that's a good assumption to want to make.
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// It's also easy for people to create UTF-8 configs.
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// Define a helper to let us read from UTF-8 and convert to system locale
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// across platforms (and assume this will be a no-op on *nix)
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#if defined(WIN32) && defined(UNICODE)
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// WIN32 support for UNICODE requires different types
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// Convert config file contents from utf8 to wchar_t
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// minIni has been compiled to use plain char for file read-write operations
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// (which supports UTF8) and wchar_t for filenames (which supports unicode filenames
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// on win32)
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std::wstring_convert<std::codecvt_utf8<wchar_t>> converter;
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#define wrapped_gets(_mstring, _section, _element, _default) do{ \
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std::string _temp_u8 = m_minIni.gets(u8"" _section "", u8"" _element "", u8"" _default ""); \
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_mstring = converter.from_bytes(_temp_u8.c_str()); \
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} \
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while(0)
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#else
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// For *nix I think I'm supposed to convert the text from the
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// file encoding (which I'm assuming is utf8) to system/user locale (if different)
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// which I think that requires converting first to wchar_t and then to current locale
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// For now I'm just going to assume you'using UTF8, and I will do no conversion.
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// minIni has been compiled to use plain char for everything,
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// which is really just a utf8 passthrough assumption.
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// If you're compiling for WIN32 but with UNICODE not defined: you're on your own
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// (it might work but I'm not testing or supporting you..)
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#define wrapped_gets(_mstring, _section, _element, _default) \
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_mstring = m_minIni.gets(u8"" _section "", u8"" _element "", u8"" _default "");
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#endif
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#define _u8ify(x) ( u8"" x "" )
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m_bGenerateRegisterLogs = m_minIni.getbool(u8"Debug", u8"WriteRegisterLog", false);
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if (m_bGenerateRegisterLogs)
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{
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wrapped_gets(m_strRegisterLogPath, "Debug", "RegisterLogPath", DEBUG_SAA_REGISTER_LOG);
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}
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m_bGeneratePcmLogs = m_minIni.getbool(u8"Debug", u8"WritePCMOutput", false);
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if (m_bGeneratePcmLogs)
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{
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wrapped_gets(m_strPcmOutputPath, "Debug", "PCMOutputPath", DEBUG_SAA_PCM_LOG);
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m_bGeneratePcmSeparateChannels = m_minIni.getbool(u8"Debug", u8"PCMSeparateChannels", false);
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}
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m_bHighpass = m_minIni.getbool(u8"Quality", u8"Highpass", true);
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m_nOversample = m_minIni.geti(u8"Quality", u8"Oversample", DEFAULT_OVERSAMPLE);
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if (m_nOversample < 1)
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// oversample of 0 or negative doesn't make sense
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m_nOversample = 1;
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if (m_nOversample > 15)
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// oversample of 16 (=65536x oversample) or more is ridiculous
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// apart from just CPU cycles, our (32-bit)int-based accumulation would overflow
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m_nOversample = 15;
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m_nBoost = m_minIni.getf(u8"Quality", u8"Boost", DEFAULT_BOOST);
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if (m_nBoost < 1)
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{
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// interpret setting Boost=0 as disabling boost i.e. volume multipler = 100% (not 0%)
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// Since "Boost=1" also means volume multipler = 100%, we can just ignore values of
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// Boost between 0 and 1 as meaning 'no boost'
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m_nBoost = 1;
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}
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}
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t_string SAAConfig::getChannelPcmOutputPath(int i)
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{
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// returns a name for the i'th PCM output file when generating
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// single files per channel. This is really just a helper to localise
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// the string manipulation involved in this.
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// TODO - maybe make the naming convention more flexible?
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t_string filename = m_strPcmOutputPath;
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#if defined UNICODE
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filename += std::to_wstring(i);
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#else
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filename += std::to_string(i);
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#endif
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return filename;
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}
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#endif // USE_CONFIG_FILE
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