781dd5edb5
All these files were removed since accidental commit, revert and merge in 2.8.ea31f0ac3b+0a4e170c28+11f9a23a28+7b27b10fa6
109 lines
3.4 KiB
C++
109 lines
3.4 KiB
C++
/*******************************************************************************
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* Copyright 2015-2016 Juan Francisco Crespo Galán
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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******************************************************************************/
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#pragma once
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/**
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* @file HRTF.h
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* @ingroup fx
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* The HRTF class.
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*/
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#include "util/StreamBuffer.h"
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#include "util/FFTPlan.h"
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#include "ImpulseResponse.h"
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#include <memory>
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#include <vector>
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#include <unordered_map>
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#include <utility>
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AUD_NAMESPACE_BEGIN
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/**
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* This class represents a complete set of HRTFs.
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*/
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class AUD_API HRTF
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{
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private:
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/**
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* An unordered map of unordered maps containing the ImpulseResponse objects of the HRTFs.
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*/
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std::unordered_map<float, std::unordered_map<float, std::shared_ptr<ImpulseResponse>>> m_hrtfs;
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/**
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* The FFTPlan used to create the ImpulseResponses.
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*/
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std::shared_ptr<FFTPlan> m_plan;
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/**
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* The specifications of the HRTFs.
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*/
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Specs m_specs;
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/**
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* True if the HRTF object is empty.
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*/
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bool m_empty;
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// delete copy constructor and operator=
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HRTF(const HRTF&) = delete;
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HRTF& operator=(const HRTF&) = delete;
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public:
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/**
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* Creates a new empty HRTF object that will instance it own FFTPlan with default size.
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*/
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HRTF();
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/**
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* Creates a new empty HRTF object.
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* \param plan A shared pointer to a FFT plan used to transform the impulse responses added.
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*/
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HRTF(std::shared_ptr<FFTPlan> plan);
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/**
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* Adds a new HRTF to the class.
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* \param impulseResponse A shared pointer to an StreamBuffer with the HRTF.
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* \param azimuth The azimuth angle of the HRTF. Interval [0,360).
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* \param elevation The elevation angle of the HRTF.
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* \return True if the impulse response was added successfully, false otherwise (the specs weren't correct).
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*/
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bool addImpulseResponse(std::shared_ptr<StreamBuffer> impulseResponse, float azimuth, float elevation);
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/**
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* Retrieves a pair of HRTFs for a certain azimuth and elevation. If no exact match is found, the closest ones will be chosen (the elevation has priority over the azimuth).
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* \param[in,out] azimuth The desired azimuth angle. If no exact match is found, the value of azimuth will represent the actual azimuth elevation of the chosen HRTF. Interval [0,360)
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* \param[in,out] elevation The desired elevation angle. If no exact match is found, the value of elevation will represent the actual elevation angle of the chosen HRTF.
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* \return A pair of shared pointers to ImpulseResponse objects containing the HRTFs for the left (first element) and right (second element) ears.
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*/
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std::pair<std::shared_ptr<ImpulseResponse>, std::shared_ptr<ImpulseResponse>> getImpulseResponse(float &azimuth, float &elevation);
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/**
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* Retrieves the specs shared by all the HRTFs.
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* \return The shared specs of all the HRTFs.
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*/
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Specs getSpecs();
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/**
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* Retrieves the state of the HRTF object.
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* \return True if it is empty, false otherwise.
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*/
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bool isEmpty();
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};
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AUD_NAMESPACE_END
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