HRTF.h

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/*******************************************************************************
* Copyright 2015-2016 Juan Francisco Crespo Galán
*
* 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 "util/StreamBuffer.h"
#include "util/FFTPlan.h"
#include "ImpulseResponse.h"
 
#include <memory>
#include <vector>
#include <unordered_map>
#include <utility>
 
AUD_NAMESPACE_BEGIN
 
class AUD_API HRTF
{
private:
    std::unordered_map<float, std::unordered_map<float, std::shared_ptr<ImpulseResponse>>> m_hrtfs;
 
    std::shared_ptr<FFTPlan> m_plan;
 
    Specs m_specs;
 
    bool m_empty;
 
    // delete copy constructor and operator=
    HRTF(const HRTF&) = delete;
    HRTF& operator=(const HRTF&) = delete;
 
public:
    HRTF();
 
    HRTF(std::shared_ptr<FFTPlan> plan);
 
    bool addImpulseResponse(std::shared_ptr<StreamBuffer> impulseResponse, float azimuth, float elevation);
 
    std::pair<std::shared_ptr<ImpulseResponse>, std::shared_ptr<ImpulseResponse>> getImpulseResponse(float &azimuth, float &elevation);
 
    Specs getSpecs();
 
    bool isEmpty();
};
 
AUD_NAMESPACE_END