#ifndef _LIB_AUDIO_NS_H_
#define _LIB_AUDIO_NS_H_

#include <stdio.h>

#include "iaudionsinterface.h"
#include "noise_suppression.h"


class AudioNsImpl : public IAudioNs
{
public:
	AudioNsImpl(audions_callback_t* pCallback);
	~AudioNsImpl();

	virtual int SetNsParams(uint32_t uSampleRate, uint32_t uAudioCapturePeroid, int iMode);
	virtual int NsProcess(char* pDst, uint32_t uDstLen, char* pSrc, uint32_t uSrcLen);
	virtual void ReleaseObj();

private:
	int NsProcess8kAudioSampleRate(char* pDst, uint32_t uDstLen, char* pSrc, uint32_t uSrcLen);
	int NsProcess16kAudioSampleRate(char* pDst, uint32_t uDstLen, char* pSrc, uint32_t uSrcLen);
	int NsProcess32kAudioSampleRate(char* pDst, uint32_t uDstLen, char* pSrc, uint32_t uSrcLen);
	int NsProcess48kAudioSampleRate(char* pDst, uint32_t uDstLen, char* pSrc, uint32_t uSrcLen);
	void NsLog(const char* fmt, ...);

private:
	NsHandle *m_NsHandle;
	uint32_t m_audio_sample_rate;				//单位HZ
	uint32_t m_audio_capture_peroid;			//单位ms
	int m_ns_policy;	
	audions_callback_t m_nscallback;
};


#endif