111 lines
4.0 KiB
C++
111 lines
4.0 KiB
C++
/** @file
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* @author Edouard DUPIN
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* @copyright 2015, Edouard DUPIN, all right reserved
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* @license APACHE v2.0 (see license file)
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*/
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#ifndef __AUDIO_RIVER_IO_NODE_AEC_H__
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#define __AUDIO_RIVER_IO_NODE_AEC_H__
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#include <audio/river/io/Node.h>
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#include <audio/river/Interface.h>
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#include <audio/drain/CircularBuffer.h>
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namespace audio {
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namespace river {
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namespace io {
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class Manager;
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class NodeAEC : public Node {
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protected:
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/**
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* @brief Constructor
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*/
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NodeAEC(const std::string& _name, const std11::shared_ptr<const ejson::Object>& _config);
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public:
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/**
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* @brief Factory of this Virtual Node.
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* @param[in] _name Name of the node.
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* @param[in] _config Configuration of the node.
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*/
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static std11::shared_ptr<NodeAEC> create(const std::string& _name, const std11::shared_ptr<const ejson::Object>& _config);
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/**
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* @brief Destructor
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*/
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virtual ~NodeAEC();
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protected:
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virtual void start();
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virtual void stop();
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std11::shared_ptr<audio::river::Interface> m_interfaceMicrophone; //!< Interface on the Microphone.
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std11::shared_ptr<audio::river::Interface> m_interfaceFeedBack; //!< Interface on the feedback of speaker.
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/**
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* @brief Internal: create an input with the specific parameter:
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* @param[in] _freq Frequency.
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* @param[in] _map Channel map organization.
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* @param[in] _format Sample format
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* @param[in] _streamName
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* @param[in] _name
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* @return Interfae Pointer.
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*/
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std11::shared_ptr<audio::river::Interface> createInput(float _freq,
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const std::vector<audio::channel>& _map,
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audio::format _format,
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const std::string& _streamName,
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const std::string& _name);
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/**
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* @brief Stream data input callback
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* @todo : copy doc ..
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*/
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void onDataReceivedMicrophone(const void* _data,
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const audio::Time& _time,
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size_t _nbChunk,
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enum audio::format _format,
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uint32_t _frequency,
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const std::vector<audio::channel>& _map);
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/**
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* @brief Stream data input callback
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* @todo : copy doc ..
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*/
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void onDataReceivedFeedBack(const void* _data,
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const audio::Time& _time,
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size_t _nbChunk,
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enum audio::format _format,
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uint32_t _frequency,
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const std::vector<audio::channel>& _map);
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protected:
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audio::drain::CircularBuffer m_bufferMicrophone; //!< temporary buffer to synchronize data.
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audio::drain::CircularBuffer m_bufferFeedBack; //!< temporary buffer to synchronize data.
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audio::Duration m_sampleTime; //!< represent the sample time at the specify frequency.
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/**
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* @brief Process synchronization on the 2 flow.
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*/
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void process();
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/**
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* @brief Process algorithm on the current 2 syncronize flow.
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* @param[in] _dataMic Pointer in the Microphione interface.
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* @param[in] _dataFB Pointer on the beedback buffer.
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* @param[in] _nbChunk Number of chunk to process.
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* @param[in] _time Time on the firsta sample that data has been captured.
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* @return
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*/
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void processAEC(void* _dataMic, void* _dataFB, uint32_t _nbChunk, const audio::Time& _time);
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public:
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virtual void generateDot(etk::FSNode& _node);
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private:
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int32_t m_nbChunk;
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int32_t m_gainValue;
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int32_t m_sampleCount;
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int32_t m_P_attaqueTime; //ms
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int32_t m_P_releaseTime; //ms
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int32_t m_P_minimumGain; // %
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int32_t m_P_threshold; // %
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int32_t m_P_latencyTime; // ms
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};
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}
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}
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}
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#endif
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