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Diffstat (limited to 'extern/audaspace/include/fx/ImpulseResponse.h')
-rw-r--r-- | extern/audaspace/include/fx/ImpulseResponse.h | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/extern/audaspace/include/fx/ImpulseResponse.h b/extern/audaspace/include/fx/ImpulseResponse.h deleted file mode 100644 index 3cdb807ff99..00000000000 --- a/extern/audaspace/include/fx/ImpulseResponse.h +++ /dev/null @@ -1,108 +0,0 @@ -/******************************************************************************* -* 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 - -/** -* @file ImpulseResponse.h -* @ingroup fx -* The ImpulseResponse class. -*/ - -#include "util/StreamBuffer.h" -#include "util/FFTPlan.h" -#include "IReader.h" - -#include <memory> -#include <vector> - -AUD_NAMESPACE_BEGIN - -/** -* This class represents an impulse response that can be used in convolution. -* When this class is instanced, the impulse response is divided in channels and those channels are divided in parts of N/2 samples (N being the size of the FFT plan used). -* The main objetive of this class is to allow the reutilization of an impulse response in various sounds without having to process it more than one time. -* \warning The size of the FFTPlan used to process the impulse response must be the same as the one used in the convolver classes. -*/ -class AUD_API ImpulseResponse -{ -private: - /** - * A tri-dimensional array (channels, parts, values) The impulse response is divided in channels and those channels are divided - * in parts of N/2 samples. Those parts are transformed to the frequency domain transform which generates uni-dimensional - * arrays of fftwtf_complex data (complex numbers). - */ - std::vector<std::shared_ptr<std::vector<std::shared_ptr<std::vector<std::complex<sample_t>>>>>> m_processedIR; - - /** - * The specification of the samples. - */ - Specs m_specs; - - /** - * The length of the impulse response. - */ - int m_length; - - // delete copy constructor and operator= - ImpulseResponse(const ImpulseResponse&) = delete; - ImpulseResponse& operator=(const ImpulseResponse&) = delete; - -public: - /** - * Creates a new ImpulseResponse object. - * The impulse response will be split and transformed to the frequency domain. - * \param impulseResponse The impulse response sound. - * \param plan A shared pointer to a FFT plan used to transform the impulse response. - */ - ImpulseResponse(std::shared_ptr<StreamBuffer> impulseResponse, std::shared_ptr<FFTPlan> plan); - - /** - * Creates a new ImpulseResponse object. This overload instances its own FFTPlan with default size. - * The impulse response will be split and transformed to the frequency domain. - * \param impulseResponse The impulse response sound. - */ - ImpulseResponse(std::shared_ptr<StreamBuffer> impulseResponse); - - /** - * Returns the specification of the impulse response. - * \return The specification of the impulse response. - */ - Specs getSpecs(); - - /** - * Retrieves the length of the impulse response. - * \return The length of the impulse response. - */ - int getLength(); - - /** - * Retrieves one channel of the impulse response. - * \param n The desired channel number (from 0 to channels-1). - * \return The desired channel of the impulse response. - */ - std::shared_ptr<std::vector<std::shared_ptr<std::vector<std::complex<sample_t>>>>> getChannel(int n); - -private: - /** - * Processes the impulse response sound for its use in the convovler classes. - * \param A shared pointer to a reader of the desired sound. - * \param plan A shared pointer to a FFT plan used to transform the impulse response. - */ - void processImpulseResponse(std::shared_ptr<IReader> reader, std::shared_ptr<FFTPlan> plan); -}; - -AUD_NAMESPACE_END |