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/*
* Zapata Telephony Interface to Digium High-Performance Echo Canceller
*
* Copyright (C) 2006 Digium, Inc.
*
* All rights reserved.
*
*/
/*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2 as published by the
* Free Software Foundation. See the LICENSE file included with
* this program for more details.
*/
#if !defined(_HPEC_H)
#define _HPEC_H
struct echo_can_state;
void __attribute__((regparm(0))) hpec_init(int __attribute__((regparm(0))) __attribute__((format (printf, 1, 2))) (*logger)(const char *format, ...),
unsigned int debug,
unsigned int chunk_size,
void * (*memalloc)(size_t len),
void (*memfree)(void *ptr));
void __attribute__((regparm(0))) hpec_shutdown(void);
int __attribute__((regparm(0))) hpec_license_challenge(struct hpec_challenge *challenge);
int __attribute__((regparm(0))) hpec_license_check(struct hpec_license *license);
struct echo_can_state __attribute__((regparm(0))) *hpec_channel_alloc(unsigned int len);
void __attribute__((regparm(0))) hpec_channel_free(struct echo_can_state *channel);
void __attribute__((regparm(0))) hpec_channel_update(struct echo_can_state *channel, short *iref, short *isig);
#endif /* !defined(_HPEC_H) */
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