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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
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| Current Path : /proc/self/root/usr/include/CLAM/ |
| Current File : //proc/self/root/usr/include/CLAM/Envelope.hxx |
/*
* 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 _Envelope_
#define _Envelope_
#include <typeinfo>
#include "DynamicType.hxx"
#include "Array.hxx"
#include "BPF.hxx"
#include "DataTypes.hxx"
#include "OSDefines.hxx"
#include "Err.hxx"
#include "ProcessingDataConfig.hxx"
#include "ProcessingData.hxx"
#include "GlobalEnums.hxx"
namespace CLAM{
/** Configuration class for Envelope data objects.
* @see Envelope, ProcessingDataConfig*/
class EnvelopeConfig : public ProcessingDataConfig
{
public:
DYNAMIC_TYPE_USING_INTERFACE (EnvelopeConfig, 3, ProcessingDataConfig);
/** Type of Scale used*/
DYN_ATTRIBUTE (0, public, EScale, Scale);
/** Size of the Break Point Function */
DYN_ATTRIBUTE (1, public, int, BPFSize);
/** Information related to the type of interpolation */
DYN_ATTRIBUTE (2, public, EInterpolation, InterpolationType);
~EnvelopeConfig(){};
protected:
void DefaultInit();
};
/** Envelope class.
* This class tipically represents the amplitude envelope of an
* audio object. The internal representation is a BreakPoint
* function (BPF). For a floating point abcisa value representing
* time (in milliseconds), the BPF returns the amplitude value, in an
* scale from 0.0 to 1.0.
* @see ProcessingData, EnvelopeExtractor, EnvelopeConfig */
class Envelope : public ProcessingData
{
public:
typedef BPFTmpl<TTime,TData> TEnvelopeBPF;
DYNAMIC_TYPE_USING_INTERFACE (Envelope, 2, ProcessingData);
/** Configuration of Envelope with information about it*/
DYN_ATTRIBUTE (0, public, EnvelopeConfig, Config);
/** BPF, with amplitude returned as TData values */
DYN_ATTRIBUTE (1, public, TEnvelopeBPF , AmplitudeBPF);
public:
/** Constructor class given a concrete configuration
* @param &newConfig reference to an Envelope Configuration established by the user
*/
Envelope(const EnvelopeConfig &newConfig);
/** Method that allows get the configuration of the Envelope
* @return The configuration of this Envelope
*/
inline const ProcessingDataConfig &GetProcessingDataConfig() const;
/** Create the configuration of Envelope using an EnvelopeConfig instantiation
* @param &newConfig reference to an Envelope Configuration established by the user
*/
void Configure(const EnvelopeConfig &newConfig);
/** Configure the Envelope with an EnvelopeConfig created by default*/
protected:
void DefaultInit();
public:
// Config shortcut interface.
/** Method to obtain the size of the Break Point Function
* @return Value of the size
*/
inline int GetBPFSize() const;
/** Resize the BPF
* @param s New size desired
*/
inline void SetBPFSize(int s);
/** Method to obtain the value of Scale
* @return Scale
*/
inline int GetScale() const;
/** Change the Scale factor
* @param s New Scale factor
*/
inline void SetScale(int s);
};
/////////////// Inline functions
const ProcessingDataConfig &Envelope::GetProcessingDataConfig() const
{
return GetConfig();
};
int Envelope::GetBPFSize() const
{
return GetConfig().GetBPFSize();
}
void Envelope::SetBPFSize(int s)
{
GetConfig().SetBPFSize(s);
}
int Envelope::GetScale() const
{
return GetConfig().GetScale();
}
void Envelope::SetScale(int s)
{
GetConfig().SetScale(s);
}
}; // namespace CLAM
#endif
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