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* Copyright (C) 2004, 2005, 2006, 2009, 2008, 2009, 2010 Savoir-Faire Linux Inc.
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* Author: Alexandre Savard <alexandre.savard@savoirfairelinux.com>
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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 3 of the License, or
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* (at your option) any later version.
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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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* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
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* Additional permission under GNU GPL version 3 section 7:
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* If you modify this program, or any covered work, by linking or
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* combining it with the OpenSSL project's OpenSSL library (or a
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* modified version of that library), containing parts covered by the
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* terms of the OpenSSL or SSLeay licenses, Savoir-Faire Linux Inc.
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* grants you additional permission to convey the resulting work.
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* Corresponding Source for a non-source form of such a combination
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* shall include the source code for the parts of OpenSSL used as well
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* as that of the covered work.
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#include "noisesuppress.h"
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NoiseSuppress::NoiseSuppress (int smplPerFrame, int samplingRate) : _noiseState (NULL)
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, _smplPerFrame (smplPerFrame)
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, _samplingRate (samplingRate)
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initNewNoiseSuppressor (_smplPerFrame, _samplingRate);
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NoiseSuppress::~NoiseSuppress()
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speex_preprocess_state_destroy (_noiseState);
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void NoiseSuppress::reset (void)
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speex_preprocess_state_destroy (_noiseState);
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initNewNoiseSuppressor (_smplPerFrame, _samplingRate);
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void NoiseSuppress::putData (SFLDataFormat *inputData, int nbBytes) {}
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int NoiseSuppress::getData (SFLDataFormat *outputData)
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void NoiseSuppress::process (SFLDataFormat *data, int nbBytes)
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speex_preprocess_run (_noiseState, data);
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int NoiseSuppress::process (SFLDataFormat *inputData, SFLDataFormat *outputData, int nbBytes)
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void NoiseSuppress::process (SFLDataFormat *micData, SFLDataFormat *spkrData, SFLDataFormat *outputData, int nbBytes) {}
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void NoiseSuppress::initNewNoiseSuppressor (int smplPerFrame, int samplingRate)
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_noiseState = speex_preprocess_state_init (smplPerFrame, samplingRate);
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speex_preprocess_ctl (_noiseState, SPEEX_PREPROCESS_SET_DENOISE, &i);
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speex_preprocess_ctl (_noiseState, SPEEX_PREPROCESS_SET_NOISE_SUPPRESS, &i);
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speex_preprocess_ctl (_noiseState, SPEEX_PREPROCESS_SET_AGC, &i);
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speex_preprocess_ctl (_noiseState, SPEEX_PREPROCESS_SET_AGC_TARGET, &i);
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speex_preprocess_ctl (_noiseState, SPEEX_PREPROCESS_SET_AGC_LEVEL, &i);
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speex_preprocess_ctl (_noiseState, SPEEX_PREPROCESS_SET_DEREVERB, &i);
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speex_preprocess_ctl (_noiseState, SPEEX_PREPROCESS_SET_DEREVERB_DECAY, &f);
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speex_preprocess_ctl (_noiseState, SPEEX_PREPROCESS_SET_DEREVERB_LEVEL, &f);
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speex_preprocess_ctl (_noiseState, SPEEX_PREPROCESS_SET_VAD, &i);