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StatisticsUpdater.cpp

00001  /***********************************************************************
00002  *                                                                      *
00003  * ViTooKi                                                              *
00004  *                                                                      *
00005  * title:       StatisticsUpdater.cpp                                         *
00006  *                                                                      *
00007  *                                                                      *
00008  *                                                                      *
00009  * ITEC institute of the University of Klagenfurt (Austria)             *
00010  * http://www.itec.uni-klu.ac.at                                        *
00011  *                                                                      *
00012  *                                                                      *
00013  * For more information visit the ViTooKi homepage:                     *
00014  * http://ViTooKi.sourceforge.net                                       *
00015  * vitooki-user@lists.sourceforge.net                                   *
00016  * vitooki-devel@lists.sourceforge.net                                  *
00017  *                                                                      *
00018  * This file is part of ViTooKi, a free video toolkit.                  *
00019  * ViTooKi is free software; you can redistribute it and/or             *
00020  * modify it under the terms of the GNU General Public License          *
00021  * as published by the Free Software Foundation; either version 2       *
00022  * of the License, or (at your option) any later version.               *
00023  *                                                                      *
00024  * This program is distributed in the hope that it will be useful,      *
00025  * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
00026  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the         *
00027  * GNU General Public License for more details.                         *
00028  *                                                                      *
00029  * You should have received a copy of the GNU General Public License    *
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00032  * MA  02111-1307, USA.                                                 *
00033  *                                                                      *
00034  ***********************************************************************/
00035 
00036  /***********************************************************************
00037  *                                                                      *
00038  *  REVISION HISTORY:                                                   *
00039  *                                                                      *
00040  *                                                                      *
00041  *                                                                      *
00042  ***********************************************************************/
00043 
00044 #include "StatisticsUpdater.hpp"
00045 #include "Statistics.hpp"
00046 
00047 
00048 StatisticsUpdater::StatisticsUpdater(ESInfo *esi, Statistics *statistics) {
00049         dprintf_full("StatisticsUpdater::StatisticsUpdater up and ready\n");
00050         es = esi;
00051         stats = statistics;
00052         strcpy(name,"StatisticsUpdater");
00053 }
00054 
00055 
00056 StatisticsUpdater::~StatisticsUpdater() {
00057 }
00058 
00059 
00060 void StatisticsUpdater::initialize() {
00061 }
00062 
00063 
00064 /***************************************************************/
00065 list < Frame * > StatisticsUpdater::adapt(Frame * frm) {
00066         list < Frame * >tmp;
00067         u32 thisCTS;
00068 
00069         thisCTS = frm->getAU()->cts;
00070         dprintf_full("StatisticsUpdater::adapt frame CTS %i, VOP increment %i\n",
00071                                                          thisCTS,es->getVOPTimeIncrement() );
00072 
00073         //STATS BLOCK
00074         struct  timeval now_tv;
00075         double now_dtime;
00076         double thisFloatSec = (double)frm->getAU()->cts / es->getMediaTimeScale();
00077         int thisSec = (int)floor(thisFloatSec);
00078 
00079         gettimeofday(&now_tv,NULL);
00080         now_dtime = now_tv.tv_sec + now_tv.tv_usec/1000000.0;
00081 
00082         if (stats->getFirstPacketTime() == 0) {
00083           stats->setFirstPacketTime(now_dtime);
00084           stats->setFirstPacketTS(thisCTS);
00085         }
00086         stats->setLastPacketTime(now_dtime);
00087 
00088         stats->checkForNewPlayoutSec(thisSec,(int)floor((double)stats->getHighestPacketTS() 
00089                                                         / es->getMediaTimeScale()));
00090         stats->setHighestPacketTS(frm->getAU()->cts);
00091         if (frm->getType() != Frame::HEADER_VOP)
00092                 stats->incPlayoutSecNetFPS(thisSec);
00093 
00094         stats->checkForNewStreamoutSec(now_dtime);
00095         stats->incPlayoutSecDataBW(thisSec,frm->getAU()->size);
00096         stats->incStreamoutSecDataBW(thisSec,frm->getAU()->size);
00097 
00098         //standard forwarding adaptor behaviour
00099         tmp.push_front(frm);
00100         return tmp;
00101 
00102 }