100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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/*
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Rubber Band Library
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An audio time-stretching and pitch-shifting library.
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Copyright 2007-2022 Particular Programs Ltd.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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Alternatively, if you have a valid commercial licence for the
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Rubber Band Library obtained by agreement with the copyright
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holders, you may redistribute and/or modify it under the terms
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described in that licence.
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If you wish to distribute code using the Rubber Band Library
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under terms other than those of the GNU General Public License,
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you must obtain a valid commercial licence before doing so.
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*/
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#ifndef RUBBERBAND_LOG_H
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#define RUBBERBAND_LOG_H
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#include <functional>
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#include <iostream>
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namespace RubberBand {
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class Log {
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public:
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Log(std::function<void(const char *)> _log0,
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std::function<void(const char *, double)> _log1,
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std::function<void(const char *, double, double)> _log2) :
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m_log0(_log0),
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m_log1(_log1),
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m_log2(_log2),
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m_debugLevel(m_defaultDebugLevel) { }
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Log(const Log &other) :
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m_log0(other.m_log0),
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m_log1(other.m_log1),
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m_log2(other.m_log2),
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m_debugLevel(other.m_debugLevel) { }
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Log &operator=(const Log &other) {
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m_log0 = other.m_log0;
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m_log1 = other.m_log1;
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m_log2 = other.m_log2;
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m_debugLevel = other.m_debugLevel;
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return *this;
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}
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void setDebugLevel(int level) { m_debugLevel = level; }
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int getDebugLevel() const { return m_debugLevel; }
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static void setDefaultDebugLevel(int level) { m_defaultDebugLevel = level; }
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void log0(int level, const char *message) const {
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if (level <= m_debugLevel) m_log0(message);
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}
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void log1(int level, const char *message, double arg0) const {
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if (level <= m_debugLevel) m_log1(message, arg0);
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}
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//!!! On reflection, log2 is a dumb choice of name
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void log2(int level, const char *message, double arg0, double arg1) const {
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if (level <= m_debugLevel) m_log2(message, arg0, arg1);
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}
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static Log makeCoutLog() {
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return Log(
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[](const char *message) {
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std::cout << "RubberBand: " << message << "\n";
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},
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[](const char *message, double arg0) {
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std::cout << "RubberBand: " << message
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<< ": " << arg0 << "\n";
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},
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[](const char *message, double arg0, double arg1) {
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std::cout << "RubberBand: " << message
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<< ": (" << arg0 << "," << arg1 << ")" << "\n";
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}
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);
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}
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private:
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std::function<void(const char *)> m_log0;
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std::function<void(const char *, double)> m_log1;
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std::function<void(const char *, double, double)> m_log2;
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int m_debugLevel;
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static int m_defaultDebugLevel;
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};
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}
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#endif
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