/usr/include/CLAM/SegmentSMSHarmonizer.hxx is in libclam-dev 1.4.0-7.
This file is owned by root:root, with mode 0o644.
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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 _SegmentSMSHarmonizer_
#define _SegmentSMSHarmonizer_
#include "SMSPitchShift.hxx"
#include "SpectrumAdder2.hxx"
#include "FrameTransformation.hxx"
// TODO: this transformation needs to be ported to inherit from FrameTransformation instead of SegmentTransformation
// also, a solution has to be figured out to make the transformation controllable via ports
namespace CLAM{
class SegmentSMSHarmonizer: public FrameTransformation
{
/** This method returns the name of the object
* @return Char pointer with the name of object
*/
const char *GetClassName() const {return "SegmentSMSHarmonizer";}
FloatInControl mIndexCtl;//says what the amount sent as control is modifying
FloatInControl mTransCtl;
/** xamat:adding residual does not improve results much and adds a lot of overhead, there should
* probably be a configuration parameter to control whether we want to add residual or not, but that
* would mean changing the kind of configuration. For the time being the output residual is the input.*/
FloatInControl mIgnoreResidualCtl;
FloatInControl mUpdateBPFCtl;///< "boolean" control used to say that we want to update BPF
public:
void UpdateBPF(TControlData value)
{
CLAM::BPF& bpf= mConfig.GetBPF();
//this should never happen, it should be initialized at configuration time
if(bpf.Size()==0)
{
InitBPF();
}
bpf.SetValue((int)mIndexCtl.GetLastValue(), mTransCtl.GetLastValue());
}
void IgnoreResidual(TControlData value)
{
mPitchShift.mIgnoreResidual.DoControl(value);
}
public:
/** Base constructor of class. Calls Configure method with a SegmentTransformationConfig initialised by default*/
SegmentSMSHarmonizer()
: mIndexCtl("Index", this)
, mTransCtl("Transposition",this)
, mIgnoreResidualCtl("IgnoreResidual",this, &SegmentSMSHarmonizer::IgnoreResidual)
, mUpdateBPFCtl("UpdateBPF", this, &SegmentSMSHarmonizer::UpdateBPF)
{
Configure(FrameTransformationConfig());
mTmpFrame.AddAll();
mTmpFrame.UpdateData();
mTmpFund.AddElem();
}
bool ConcreteConfigure(const ProcessingConfig& c)
{
CopyAsConcreteConfig( mConfig, c );
InitBPF();
mPitchShift.Configure(FrameTransformationConfig());
//By default we ignore residual!!
mIgnoreResidualCtl.DoControl(1.);
return true;
}
/** Destructor of the class*/
~SegmentSMSHarmonizer()
{}
bool Do()
{
CLAM_ASSERT(false, "Do with ports not implemented");
return false;
}
bool Do(const Frame& in, Frame& out);
private:
SMSPitchShift mPitchShift;
SpectrumAdder2 mSpectrumAdder;
void AddFrame(const Frame& in1, const Frame& in2, Frame& out);
void Gain(Frame& inputFrame, TData gain);
Fundamental mTmpFund;
Frame mTmpFrame;
void InitBPF()
{
if (!mConfig.HasBPF())
{
mConfig.AddBPF();
mConfig.UpdateData();
}
if(mConfig.GetBPF().Size()==0)//else we asume that the user has initialized it before
{
BPF& bpf=mConfig.GetBPF();
bpf.Resize(10);
bpf.SetSize(10);
int i;
//we add ten voices with gain going from -30 to +30 but no transposition (note that X controls gain and Y transposition)
for (i=0; i< 10; i++)
{
bpf.SetValue(i,1);
bpf.SetXValue(i,(i-5)*6);
}
}
}
};
};//namespace CLAM
#endif // _SegmentSMSHarmonizer_
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