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QualityReductionAdaptor.cpp

00001  /***********************************************************************
00002  *                                                                      *
00003  * ViTooKi                                                              *
00004  *                                                                      *
00005  * title:       QualityReductionAdaptor.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       *
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00027  * GNU General Public License for more details.                         *
00028  *                                                                      *
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00033  *                                                                      *
00034  ***********************************************************************/
00035 
00036  /***********************************************************************
00037  *                                                                      *
00038  *  REVISION HISTORY:                                                   *
00039  *                                                                      *
00040  *                                                                      *
00041  *                                                                      *
00042  ***********************************************************************/
00043 
00044 #include "QualityReductionAdaptor.hpp"
00045 
00046 QualityReductionAdaptor::QualityReductionAdaptor(VideoESInfo * pESInfo,
00047                                                  u32 uiTargetBitrate,
00048                                                  u32 key,MP4Decoder::meCoderType code)
00049 {
00050         es = pESInfo;
00051         targetBitrate = uiTargetBitrate;
00052         keyFrameInterval = key;
00053         initialized = false;
00054         strcpy(name,"QualityReductionAdaptor");
00055         codec=code;
00056 }
00057 
00058 void
00059  QualityReductionAdaptor::initialize()
00060 {
00061         if(initialized)
00062                 return;
00063         dprintf_full("QualityReductionAdaptor::initialize() Codec %i\n",codec);
00064   addAdaptor(new MP4Decoder(es, false, UncompressedVideoFrame::ColorSpaceI420,codec));
00065   addAdaptor(new MP4Encoder(es, targetBitrate, (int)es->getFPS(), keyFrameInterval, 0 /*BVOPs*/, UncompressedVideoFrame::ColorSpaceI420,codec));
00066   initialized = true;
00067 };
00068 
00069 QualityReductionAdaptor::~QualityReductionAdaptor()
00070 {
00071 }
00072 
00073 Adaptor *QualityReductionAdaptor::clone()
00074 {
00075     return new QualityReductionAdaptor(es, targetBitrate,keyFrameInterval,codec);
00076 }