Conversions.hpp

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00001 /*
00002  * C S O U N D   V S T
00003  *
00004  * A VST plugin version of Csound, with Python scripting.
00005  *
00006  * L I C E N S E
00007  *
00008  * This software is free software; you can redistribute it and/or
00009  * modify it under the terms of the GNU Lesser General Public
00010  * License as published by the Free Software Foundation; either
00011  * version 2.1 of the License, or (at your option) any later version.
00012  *
00013  * This software is distributed in the hope that it will be useful,
00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00016  * Lesser General Public License for more details.
00017  *
00018  * You should have received a copy of the GNU Lesser General Public
00019  * License along with this software; if not, write to the Free Software
00020  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00021  */
00022 #ifndef CONVERSIONS_H
00023 #define CONVERSIONS_H
00024 
00025 #include "Platform.hpp"
00026 #ifdef SWIG
00027 %module CsoundAC
00028 %{
00029 #include <cmath>
00030 #include <string>
00031 #include <cstdio>
00032 #include <map>
00033 #include <vector>
00034   %}
00035 %include "std_string.i"
00036 %include "std_vector.i"
00037 %template(DoubleVector) std::vector<double>;
00038 #else
00039 #include <cmath>
00040 #include <string>
00041 #include <cstdio>
00042 #include <map>
00043 #include <vector>
00044 #endif
00045 
00046 namespace csound
00047 {
00060   class Conversions
00061   {
00062     static bool initialized_;
00063     static std::map<std::string, double> pitchClassSetsForNames;
00064     static std::map<double, std::string> namesForPitchClassSets;
00065     static void subfill(std::string root, char *cname, double pcs);
00066     static void fill(char *cname, char *cpitches);
00067     static std::string listPitchClassSets();
00068 #if !defined(SWIG)
00069     static const double PI_;
00070     static const double TWO_PI_;
00071     static const double middleCHz;
00072     static const double log10d20;
00073     static const double log10scale;
00074     static const double NORM_7_;
00075     static const double floatMaximumAmplitude;
00076     static int sampleSize;
00077 #endif
00078   public:
00079     static double getPI(void);
00080     static double get2PI(void);
00081     static double getMiddleCHz(void);
00082     static double getNORM_7(void);
00083     static bool initialize();
00087     static int getSampleSize(void);
00092     static double getMaximumAmplitude(int size);
00093     static double getMaximumDynamicRange();
00094     static double amplitudeToDecibels(double amplitude);
00095     static double amplitudeToGain(double Amplitude);
00096     static double decibelsToAmplitude(double decibels);
00097     static double decibelsToMidi(double decibels);
00098     static double gainToAmplitude(double Gain);
00099     static double midiToDecibels(double Midi);
00100     static double midiToAmplitude(double Midi);
00101     static double amplitudeToMidi(double Amplitude);
00102     static double midiToGain(double Midi);
00103     static double leftPan(double x);
00104     static const double round(double value);
00105     static double temper(double octave, double tonesPerOctave);
00106     static double phaseToTableLengths(double Phase, double TableSampleCount);
00107     static double hzToMidi(double Hz, bool rounded);
00108     static double hzToOctave(double Hz);
00109     static double hzToSamplingIncrement(double Hz, double SR, double SamplesPerCycle);
00110     static double midiToHz(double Midi);
00111     static double midiToOctave(double Midi);
00112     static double midiToSamplingIncrement(double Midi, double SR, double SamplesPerCycle);
00113     static double octaveToHz(double Octave);
00114     static double octaveToMidi(double Octave, bool rounded);
00115     static double octaveToSamplingIncrement(double Octave, double SR, double SamplesPerCycle);
00116     static double rightPan(double x);
00117     static int swapInt(int Source);
00118     static short swapShort(short Source);
00119     static bool stringToBool(std::string value);
00120     static std::string boolToString(bool value);
00121     static int stringToInt(std::string value);
00122     static std::string intToString(int value);
00123     static double stringToDouble(std::string value);
00124     static std::string doubleToString(double value);
00125     static double midiToPitchClass(double midiKey);
00126     static double pitchClassSetToMidi(double pitchClassSet);
00127     static double midiToPitchClassSet(double midiKey);
00128     static double pitchClassToMidi(double pitchClass);
00133     static double findClosestPitchClass(double M, double pitchClass, double tones = 12.0);
00134     static double midiToRoundedOctave(double midiKey);
00135     static std::string &trim(std::string &value);
00136     static std::string &trimQuotes(std::string &value);
00140     static double modulus(double a, double b);
00144     static std::vector<double> nameToPitches(std::string name);
00150     static double nameToM(std::string name);
00157     static std::string mToName(double pitchClassSet);
00162     static char *dupstr(const char *string);
00170     static double gainToDb(double inputDb, double gain, bool odbfs = false);
00171   };
00172 }
00173 
00174 #endif

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