AUD_DynamicIIRFilterReader.cpp

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/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * Copyright 2009-2011 Jörg Hermann Müller
 *
 * This file is part of AudaSpace.
 *
 * Audaspace 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.
 *
 * AudaSpace 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 Audaspace; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#include "AUD_DynamicIIRFilterReader.h"

AUD_DynamicIIRFilterReader::AUD_DynamicIIRFilterReader(AUD_Reference<AUD_IReader> reader,
                                                       AUD_Reference<AUD_DynamicIIRFilterFactory> factory) :
    AUD_IIRFilterReader(reader, std::vector<float>(), std::vector<float>()),
    m_factory(factory)
{
    sampleRateChanged(reader->getSpecs().rate);
}

void AUD_DynamicIIRFilterReader::sampleRateChanged(AUD_SampleRate rate)
{
    std::vector<float> a, b;
    m_factory->recalculateCoefficients(rate, b, a);
    setCoefficients(b, a);
}