iaxvoiplink.cpp

/*
 *  Copyright (C) 2006-2007 Savoir-Faire Linux inc.
 *  Author: Alexandre Bourget <alexandre.bourget@savoirfairelinux.com>
 *  Author: Yan Morin <yan.morin@savoirfairelinux.com>
 *                                                                              
 *  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 3 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.
 */
#include "iaxvoiplink.h"
#include "global.h" // for _debug
#include "iaxcall.h"
#include "eventthread.h"

#include "manager.h"
#include "audio/audiolayer.h"

//#include <iax/iax-client.h>
#include <math.h>
#include <dlfcn.h>

#define IAX_BLOCKING    1
#define IAX_NONBLOCKING 0

#define IAX_SUCCESS  0
#define IAX_FAILURE -1

#define RANDOM_IAX_PORT   rand() % 64000 + 1024

#define MUSIC_ONHOLD true

#define CHK_VALID_CALL   if (call == NULL) { _debug("IAX: Call doesn't exists\n"); \
  return false; }

  IAXVoIPLink::IAXVoIPLink(const AccountID& accountID)
: VoIPLink(accountID)
{
  _evThread = new EventThread(this);
  _regSession = NULL;
  _nextRefreshStamp = 0;

  // to get random number for RANDOM_PORT
  srand (time(NULL));

  audiolayer = NULL;

  converter = new SamplerateConverter();

  int nbSamplesMax = (int) ( converter->getFrequence() * converter->getFramesize() / 1000 );

  micData = new SFLDataFormat[nbSamplesMax];
  micDataConverted = new SFLDataFormat[nbSamplesMax];
  micDataEncoded = new unsigned char[nbSamplesMax];

  spkrDataConverted = new SFLDataFormat[nbSamplesMax];
  spkrDataDecoded = new SFLDataFormat[nbSamplesMax];
}


IAXVoIPLink::~IAXVoIPLink()