/usr/include/CLAM/SimpleOscillator.hxx is in libclam-dev 1.4.0-5.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
* UNIVERSITAT POMPEU FABRA
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __SimpleOscillator_hxx__
#define __SimpleOscillator_hxx__
#include "Processing.hxx"
#include "ProcessingData.hxx"
#include "OSDefines.hxx"
#include "Audio.hxx"
#include "AudioOutPort.hxx"
#include "InControl.hxx"
#include "Enum.hxx"
#include <string>
namespace CLAM
{
class EOscillatorControls : public Enum
{
public:
EOscillatorControls() : Enum(ValueTable(), pitch) { }
EOscillatorControls(tValue v) : Enum(ValueTable(), v) { }
EOscillatorControls(std::string s) : Enum(ValueTable(), s) { }
~EOscillatorControls() { };
Component * Species() const
{
return new EOscillatorControls;
}
typedef enum
{
pitch=0,
amplitude,
modidx,
phase
} tEnum;
static tEnumValue * ValueTable()
{
static tEnumValue sEnumValues[] =
{
{ pitch, "pitch" },
{ amplitude, "amplitude" },
{ modidx, "modidx" },
{ phase, "phase" },
{ 0, NULL }
};
return sEnumValues;
}
};
class SimpleOscillatorConfig: public ProcessingConfig
{
public:
DYNAMIC_TYPE_USING_INTERFACE (SimpleOscillatorConfig, 4, ProcessingConfig);
DYN_ATTRIBUTE (0, public, TData, Frequency);
DYN_ATTRIBUTE (1, public, TData, Amplitude);
DYN_ATTRIBUTE (2, public, TData, Phase);
DYN_ATTRIBUTE (3, public, TData, SamplingRate);
protected:
void DefaultInit(void);
};
class SimpleOscillator : public Processing
{
protected:
typedef SimpleOscillatorConfig Config;
AudioOutPort mOutput;
SimpleOscillatorConfig mConfig;
TData mAmp;
TData mPhase;
TData mDeltaPhase;
TData mSamplingRate;
bool mFreqUpdated;
bool mAmpUpdated;
FloatInControl mFreqCtl;
FloatInControl mAmpCtl;
//xamat: kludge to convert this into an LFO, eventually separate into a different class
FloatInControl mSamplesBetweenCallsCtl;
protected:
inline void ApplyFreqAndAmpControls()
{
if ( mFreqUpdated )
{
mDeltaPhase = TData(2. * PI * mFreqCtl.GetLastValue() / mSamplingRate);
mFreqUpdated = false;
}
if ( mAmpUpdated )
{
mAmp = mAmpCtl.GetLastValue();
mAmpUpdated = false;
}
}
void UpdateFreq( TControlData );
void UpdateAmp( TControlData );
public:
SimpleOscillator(const SimpleOscillatorConfig& c = Config() );
virtual ~SimpleOscillator();
const char * GetClassName() const {return "SimpleOscillator";}
virtual const ProcessingConfig &GetConfig() const { return mConfig;}
virtual bool ConcreteConfigure(const ProcessingConfig& c);
virtual bool Do(void);
// "Generative Do"
bool Do(Audio& out);
/** Do for generating one sample at a time: useful to use the oscillator as a LFO*/
bool Do(TData& out);
};
}
#endif
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