FaderReader.h

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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
 
#include "fx/EffectReader.h"
 
AUD_NAMESPACE_BEGIN
 
enum FadeType
{
    FADE_IN,
    FADE_OUT
};
 
class AUD_API FaderReader : public EffectReader
{
private:
    const FadeType m_type;
 
    const double m_start;
 
    const double m_length;
 
    // delete copy constructor and operator=
    FaderReader(const FaderReader&) = delete;
    FaderReader& operator=(const FaderReader&) = delete;
 
public:
    FaderReader(std::shared_ptr<IReader> reader, FadeType type,
                    double start,double length);
 
    virtual void read(int& length, bool& eos, sample_t* buffer);
};
 
AUD_NAMESPACE_END