48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
/** @file
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* @author Edouard DUPIN
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* @copyright 2011, 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 __AIRT_ALGO_RESAMPLER_H__
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#define __AIRT_ALGO_RESAMPLER_H__
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#include <airtalgo/Algo.h>
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#ifdef HAVE_SPEEX_DSP_RESAMPLE
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#include <speex/speex_resampler.h>
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#endif
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#include <memory>
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namespace airtalgo {
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class Resampler : public Algo {
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private:
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#ifdef HAVE_SPEEX_DSP_RESAMPLE
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SpeexResamplerState* m_speexResampler;
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#endif
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size_t m_positionRead; //!< For residual data in the buffer last read number of chunk
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size_t m_positionWrite; //!< Current pointer of writing new output data of resampler
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protected:
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/**
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* @brief Constructor
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*/
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Resampler();
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void init();
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public:
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static std::shared_ptr<Resampler> create();
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/**
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* @brief Destructor
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*/
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virtual ~Resampler();
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protected:
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virtual void configurationChange();
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public:
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virtual bool process(std::chrono::system_clock::time_point& _time,
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void* _input,
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size_t _inputNbChunk,
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void*& _output,
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size_t& _outputNbChunk);
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};
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};
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#endif
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