#ifndef __AUDIODSP_H__
#define __AUDIODSP_H__

#pragma once

#ifdef __cplusplus
extern "C" {
#endif

#include "audiostream.h"

#define AUDIO_DSP_NONE		0x00
#define AUDIO_DSP_AGC		0x01
#define AUDIO_DSP_DENOISE	0x02

typedef struct audiodsp_t audiodsp_t;

struct audiodsp_t
{
	audiostream_t base;
	int clock;
	void * read_preprocess;
	void * write_preprocess;
	unsigned read_option;
	unsigned write_option;
	int frame_samples;
	audioframe_t tmp_read_frame;
	audioframe_t tmp_write_frame;
};

apr_status_t audiodsp_create(apr_pool_t *pool,
							 audioengine_t *engine, 
							 int read_opt, 
							 int write_opt, 
							 int clock,
							 audiodsp_t **p_dsp);
void audiodsp_destroy(audiodsp_t *dsp);

#ifdef __cplusplus
} // extern "C" {
#endif

#endif //__AUDIODSP_H__