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141 lines
3.5 KiB
141 lines
3.5 KiB
/*
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* $Id$
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*
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* Copyright (C) 2002-2003 Fhg Fokus
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*
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* This file is part of sems, a free SIP media server.
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*
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* sems is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* For a license to use the sems software under conditions
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* other than those described here, or to purchase support for this
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* software, please contact iptel.org by e-mail at the following addresses:
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* info@iptel.org
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*
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* sems is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "AmApi.h"
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#include "AmSession.h"
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#include "AmConfig.h"
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#include "AmAudio.h"
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#include "AmConfigReader.h"
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#include "log.h"
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#include "Echo.h"
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#include "AmAudioEcho.h"
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#include "AmPlugIn.h"
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EXPORT_SESSION_FACTORY(EchoFactory,"echo");
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#define STAR_SWITCHES_PLAYOUTBUFFER
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EchoFactory::EchoFactory(const string& _app_name)
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: AmSessionFactory(_app_name),
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session_timer_f(NULL)
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{}
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int EchoFactory::onLoad()
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{
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bool useSessionTimer = false;
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if(conf.loadFile(AmConfig::ModConfigPath + string(MODULE_NAME)+ ".conf")){
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WARN("Could not open " MODULE_NAME ".conf\n");
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WARN("assuming that default values are fine\n");
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}
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else {
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if(conf.hasParameter("enable_session_timer") &&
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(conf.getParameter("enable_session_timer") == string("yes")) ){
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useSessionTimer = true;
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}
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}
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if(useSessionTimer){
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session_timer_f = AmPlugIn::instance()->getFactory4Seh("session_timer");
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// DBG("session_timer_f == 0x%.16lX\n",(unsigned long)session_timer_f);
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if(session_timer_f == NULL){
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ERROR("Could not load the session_timer module: disabling session timers.\n");
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//return -1;
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}
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}
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return 0;
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}
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AmSession* EchoFactory::onInvite(const AmSipRequest& req)
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{
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AmSession* s = new EchoDialog();
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if (NULL != session_timer_f) {
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AmSessionEventHandler* h = session_timer_f->getHandler(s);
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if(h->configure(conf)){
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ERROR("Could not configure the session timer: disabling session timers.\n");
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delete h;
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} else {
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s->addHandler(h);
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}
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}
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return s;
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}
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EchoDialog::EchoDialog()
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: playout_type(ADAPTIVE_PLAYOUT)
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{
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}
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EchoDialog::~EchoDialog()
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{
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}
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void EchoDialog::onSessionStart(const AmSipRequest& req)
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{
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RTPStream()->setPlayoutType(playout_type);
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setInOut(&echo,&echo);
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}
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void EchoDialog::onSessionStart(const AmSipReply& req)
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{
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RTPStream()->setPlayoutType(playout_type);
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setInOut(&echo,&echo);
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}
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void EchoDialog::onBye(const AmSipRequest& req)
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{
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setStopped();
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}
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void EchoDialog::onDtmf(int event, int duration)
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{
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#ifdef STAR_SWITCHES_PLAYOUTBUFFER
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if (event == 10) {
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const char* pt = "simple (fifo) playout buffer";
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if (playout_type == SIMPLE_PLAYOUT) {
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playout_type = ADAPTIVE_PLAYOUT;
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pt = "adaptive playout buffer";
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} else if (playout_type == ADAPTIVE_PLAYOUT) {
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pt = "adaptive jitter buffer";
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playout_type = JB_PLAYOUT;
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} else
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playout_type = SIMPLE_PLAYOUT;
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DBG("received *. set playout technique to %s.\n", pt);
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RTPStream()->setPlayoutType(playout_type);
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}
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#endif
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}
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