/*
 * delay.h
 * Description:
 *
 *  Created on: 2014-9-29
 *      Author: Graydon
 *  Modify:
 */

#ifndef DELAY_H_
#define DELAY_H_

/*define the max delay millisecond*/
//#define MAX_DELAY_MSEC	1200

/*description: Create Delay processor handle.
 *@param1: sample rate
 *@param2: sample num per frame
 *@param3: how much msec need to delay
 *return: The handle
 */
void* alg_delay_create(int max_delay_msec, int smpl_rate, int smpl_num);

/*description: Destroy the delay handle.
 *@param1: The delay handle
 *return: none
 */
void alg_delay_destroy(void * h);

/*description: Set the Delay param-msec, range from 0-2000
 *@param1: handle
 *@param2: the real delay ms
 *return: none
 */
void alg_delay_set_msec(void* h,float ms);

/*description: Delay process function
 *@param1: handle
 *@param2: the data input
 *@param3: the data output
 *return: successful
 */
int alg_delay_process(void* h,const float* data_in,float* data_out);


#endif /* DELAY_H_ */