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Processing
Transformations
SMS
SMSResidualGain.cxx
Go to the documentation of this file.
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/*
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* Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
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* UNIVERSITAT POMPEU FABRA
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "
SMSResidualGain.hxx
"
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#include "
ProcessingFactory.hxx
"
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namespace
CLAM
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{
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namespace
Hidden
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{
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static
const
char
*
metadata
[] = {
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"key"
,
"SMSResidualGain"
,
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"category"
,
"SMS Transformations"
,
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"description"
,
"SMSResidualGain"
,
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0
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};
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static
FactoryRegistrator<ProcessingFactory, SMSResidualGain>
reg
=
metadata
;
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}
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bool
SMSResidualGain::Do
(
const
Spectrum
& in,
Spectrum
& out)
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{
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out = in;
// TODO big cludge for streaming
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TSize
spectrumSize = in.
GetSize
();
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if
(in.GetScale()==
EScale::eLinear
)
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{
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TData
amount =
Lin
(mGain.
GetLastValue
());
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for
(
int
i=0;i<spectrumSize;i++)
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{
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out.
SetMag
(i,in.
GetMag
(i)*amount);
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}
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}
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else
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{
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TData
amount = mGain.
GetLastValue
();
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for
(
int
i=0;i<spectrumSize;i++)
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{
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out.
SetMag
(i,in.
GetMag
(i)+amount);
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}
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}
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return
true
;
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}
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}
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