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/*******************************************************************************
* Copyright 2009-2016 Jörg Müller
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
#pragma once
/**
* @file IDynamicIIRFilterCalculator.h
* @ingroup fx
* The IDynamicIIRFilterCalculator interface.
*/
#include "respec/Specification.h"
#include <vector>
AUD_NAMESPACE_BEGIN
/**
* @interface IDynamicIIRFilterCalculator
* This interface calculates dynamic filter coefficients which depend on the
* sampling rate for DynamicIIRFilterReaders.
*/
class AUD_API IDynamicIIRFilterCalculator
{
public:
virtual ~IDynamicIIRFilterCalculator() {}
/**
* Recalculates the filter coefficients.
* \param rate The sample rate of the audio data.
* \param[out] b The input filter coefficients.
* \param[out] a The output filter coefficients.
*/
virtual void recalculateCoefficients(SampleRate rate, std::vector<float>& b, std::vector<float>& a)=0;
};
AUD_NAMESPACE_END
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