93 lines
3.6 KiB
C++
93 lines
3.6 KiB
C++
/**
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* @author Bojan MARKOVIC
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* @author Edouard DUPIN
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* @copyright 2006, ChunkWare Music Software, OPEN-SOURCE
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* @license BSD-1 (see license file)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* * The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include <etk/types.hpp>
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#include <audio/algo/chunkware/AttRelEnvelope.hpp>
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#include <audio/algo/chunkware/Gain.hpp>
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#include <audio/format.hpp>
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namespace audio {
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namespace algo {
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namespace chunkware {
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class Gate : public AttRelEnvelope {
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protected:
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bool m_isConfigured;
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public:
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Gate();
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virtual ~Gate() {}
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public:
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/**
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* @brief Initialize the Algorithm
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*/
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virtual void init();
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/**
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* @brief Get list of format suported in input.
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* @return list of supported format
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*/
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virtual etk::Vector<enum audio::format> getSupportedFormat();
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/**
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* @brief Get list of algorithm format suported. No format convertion.
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* @return list of supported format
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*/
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virtual etk::Vector<enum audio::format> getNativeSupportedFormat();
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/**
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* @brief Main input algo process.
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* @param[in,out] _output Output data.
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* @param[in] _input Input data.
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* @param[in] _nbChunk Number of chunk in the input buffer.
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* @param[in] _nbChannel Number of channel in the stream.
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* @param[in] _format Input data format.
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*/
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virtual void process(void* _output, const void* _input, size_t _nbChunk, int8_t _nbChannel = 2, enum audio::format _format = audio::format_double);
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protected:
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virtual void processDouble(double* _out, const double* _in, int8_t _nbChannel);
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virtual void processDouble(double* _out, const double* _in, int8_t _nbChannel, double _value);
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/*
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virtual void processFloat(float* _out, const float* _in, int8_t _nbChannel);
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virtual void process16_16(int16_16_t* _out, const int16_16_t* _in, int8_t _nbChannel);
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virtual void process16_32(int16_32_t* _out, const int16_32_t* _in, int8_t _nbChannel);
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virtual void process24_32(int24_32_t* _out, const int24_32_t* _in, int8_t _nbChannel);
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virtual void process32_32(int32_32_t* _out, const int32_32_t* _in, int8_t _nbChannel);
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virtual void process32_64(int32_64_t* _out, const int32_64_t* _in, int8_t _nbChannel);
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*/
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public:
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// parameters
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virtual void setThreshold(double _dB);
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virtual double getThreshold() const {
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return m_thresholddB;
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}
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private:
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// transfer function
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double m_thresholddB; //!< threshold (dB)
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double m_threshold; //!< threshold (linear)
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// runtime variables
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double m_overThresholdEnvelope; //!< over-threshold envelope (linear)
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};
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}
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}
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}
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