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136 lines
3.0 KiB
136 lines
3.0 KiB
/*
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* $Id: AmRtpReceiver.cpp,v 1.1.2.1 2005/03/01 17:20:08 rco Exp $
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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 ser 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 "AmRtpReceiver.h"
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#include "AmRtpStream.h"
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#include "AmRtpPacket.h"
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#include "log.h"
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#include <errno.h>
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#include <strings.h>
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#include <sys/time.h>
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AmRtpReceiver* AmRtpReceiver::_instance=0;
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AmRtpReceiver* AmRtpReceiver::instance()
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{
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if(!_instance)
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_instance = new AmRtpReceiver();
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return _instance;
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}
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AmRtpReceiver::AmRtpReceiver()
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{
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FD_ZERO(&fds);
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}
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AmRtpReceiver::~AmRtpReceiver()
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{
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}
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void AmRtpReceiver::on_stop()
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{
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}
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void AmRtpReceiver::run()
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{
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struct timeval timeout;
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fd_set cur_set;
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int max_fd;
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while(true){
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fds_mut.lock();
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memcpy(&cur_set,&fds,sizeof(fd_set));
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fds_mut.unlock();
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max_fd = -1;
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timeout.tv_sec = 0;
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timeout.tv_usec = 100000/* 100 ms */;
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streams_mut.lock();
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if(!streams.empty())
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max_fd = streams.begin()->first;
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streams_mut.unlock();
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int ret = select(++max_fd,&cur_set,NULL,NULL,&timeout);
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if(ret == -1)
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ERROR("AmRtpReceiver: select: %s\n",strerror(errno));
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if(ret < 1){
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//DBG("select timeout max_fd+1 = %i\n",max_fd);
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continue;
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}
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streams_mut.lock();
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for(Streams::iterator it = streams.begin();
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it != streams.end(); ++it) {
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if(FD_ISSET(it->first,&cur_set)){
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AmRtpPacket* p = new AmRtpPacket();
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if(p->recv(it->first) > 0){
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if(p->parse() == -1){
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ERROR("while parsing RTP packet.\n");
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delete p;
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streams_mut.unlock();
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continue;
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}
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gettimeofday(&p->recv_time,NULL);
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it->second->bufferPacket(p);
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}
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}
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}
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streams_mut.unlock();
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}
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}
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void AmRtpReceiver::addStream(int sd, AmRtpStream* stream)
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{
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streams_mut.lock();
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streams.insert(std::make_pair(sd,stream));
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streams_mut.unlock();
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fds_mut.lock();
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FD_SET(sd,&fds);
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fds_mut.unlock();
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}
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void AmRtpReceiver::removeStream(int sd)
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{
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streams_mut.lock();
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streams.erase(sd);
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streams_mut.unlock();
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fds_mut.lock();
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FD_CLR(sd,&fds);
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fds_mut.unlock();
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}
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