/usr/include/CLAM/ADSR.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 __ADSR__
#define __ADSR__
#include "Processing.hxx"
#include "ProcessingData.hxx"
#include "Audio.hxx"
#include "OSDefines.hxx"
#include "InControl.hxx"
#include "AudioOutPort.hxx"
#include "OutControl.hxx"
namespace CLAM
{
class ADSRConfig: public ProcessingConfig
{
public:
DYNAMIC_TYPE_USING_INTERFACE (ADSRConfig, 5, ProcessingConfig);
DYN_ATTRIBUTE (0, public, TData, AttackTime);
DYN_ATTRIBUTE (1, public, TData, DecayTime);
DYN_ATTRIBUTE (2, public, TData, SustainLevel);
DYN_ATTRIBUTE (3, public, TData , ReleaseTime);
DYN_ATTRIBUTE (4, public, TData , SampleRate);
protected:
void DefaultInit(void);
};
class ADSR: public Processing
{
public:
typedef ADSRConfig Config;
AudioOutPort mOutput;
enum Status {
Attack = 0,
Decay = 1,
Sustain = 2,
Release = 3,
Done = 4,
};
private:
FloatInControl mAmplitude;
ADSRConfig mConfig;
TControlData mAmpValue;
TData mAttackTime;
TData mDecayTime;
TData mSustainLevel;
TData mReleaseTime;
TData mSamplingRate;
TData mLevel;
TData mDLevel;
Status mStatus;
FloatOutControl mState;
protected:
void HandleAttack();
void HandleDecay();
void HandleRelease();
void HandleAmplitude()
{
if ( mAmpValue > 0 )
HandleAttack();
if ( mAmpValue == 0 )
HandleRelease();
}
void UpdateState()
{
if( mStatus == Done )
mState.SendControl( 0 ); // Available instrument
else
mState.SendControl( 1 ); // Busy intrument
}
void UpdateAmp( TControlData value )
{
mAmpValue = value ;
HandleAmplitude();
}
public:
ADSR( const ADSRConfig& c = Config() );
~ADSR(){}
const char * GetClassName() const {return "ADSR";}
const ProcessingConfig &GetConfig() const { return mConfig; }
bool ConcreteConfigure( const ProcessingConfig& c );
// Unsupervised mode
bool Do(void); // { return true; }
bool Do( Audio& out);
};
}
#endif
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