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/* $Id$ */
/*
* Copyright (C) 2003-2007 Benny Prijono <benny@prijono.org>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __PJMEDIA_AEC_PORT_H__
#define __PJMEDIA_AEC_PORT_H__
/**
* @file echo_port.h
* @brief AEC (Accoustic Echo Cancellation) media port.
*/
#include <pjmedia/port.h>
/**
* @defgroup PJMEDIA_ECHO_PORT Echo Cancellation Port
* @ingroup PJMEDIA_PORT
* @brief Echo Cancellation Port
*
* Echo canceller media port, using @ref PJMEDIA_Echo_Cancel backend.
* @{
*/
PJ_BEGIN_DECL
/**
* Create echo canceller port.
*
* @param pool Pool to allocate memory.
* @param dn_port Downstream port.
* @param tail_ms Tail length in miliseconds.
* @param latency_ms Total lacency introduced by playback and
* recording device. Set to zero if the latency
* is not known.
* @param options Options, as in #pjmedia_echo_create().
* @param p_port Pointer to receive the port instance.
*
* @return PJ_SUCCESS on success.
*/
PJ_DECL(pj_status_t) pjmedia_echo_port_create(pj_pool_t *pool,
pjmedia_port *dn_port,
unsigned tail_ms,
unsigned latency_ms,
unsigned options,
pjmedia_port **p_port );
PJ_END_DECL
/**
* @}
*/
#endif /* __PJMEDIA_AEC_PORT_H__ */
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