/*
 * compress.h
 *
 *  Created on: 2014-9-23
 *      Author: Graydon
 */

#ifndef COMPRESS_H_
#define COMPRESS_H_

typedef enum {
	compresser_peak =0x1,
	compresser_rms,
}compresser_type;


/*description: create compressor processor
 *@param1: sample rate,48K-192K
 *@param2: sample num per frame.
 *return: Get the processor handle
 */
uvoidptr alg_compress_create(uint32_t sample_rate, uint32_t sample_num, compresser_type type);
/*description: Set compressor param
 *@param1:
 *@param2:
 *@param3:
 *@param4:
 *return: none
 */
uvoid alg_compress_set_param(uvoidptr h, ufloat threshold, ufloat ratio, uint32_t attackTime, uint32_t releaseTime, ufloat gain, uint32_t soft);

uvoid alg_compresss_set_type(uvoidptr h, compresser_type type);

/*description: Destroy a compressor
 *@param1: The compressor handle
 *return: none
 */
uvoid alg_compress_destroy(uvoidptr h);

/*description: compressor work function
 *@param1: The compressor handle
 *@param2: data input
 *@param3: The processed data output.
 *return: 0-ok,-1-fail
 */
int32_t alg_compress_process(uvoidptr h, const ufloat* in, ufloat* out);

/*description: Get compress current has compressed how many DB
 *@param1: The compressor handle
 *return: Return the value
 */
ufloat alg_compress_get_db(uvoidptr h);


ufloat alg_compress_get_output_db(uvoidptr h);
#endif /* COMPRESS_H_ */