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/*
* Zapata Telephony Interface to Digium High-Performance Echo Canceller
*
* Copyright (C) 2006 Digium, Inc.
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#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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