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ColorReductionAdaptor.cpp

00001  /***********************************************************************
00002  *                                                                      *
00003  * ViTooKi                                                              *
00004  *                                                                      *
00005  * title:       ColorReductionAdaptor.cpp                                     *
00006  *                                                                      *
00007  *                                                                      *
00008  *                                                                      *
00009  * ITEC institute of the University of Klagenfurt (Austria)             *
00010  * http://www.itec.uni-klu.ac.at                                        *
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00017  *                                                                      *
00018  * This file is part of ViTooKi, a free video toolkit.                  *
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00027  * GNU General Public License for more details.                         *
00028  *                                                                      *
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00035 
00036  /***********************************************************************
00037  *                                                                      *
00038  *  REVISION HISTORY:                                                   *
00039  *                                                                      *
00040  *                                                                      *
00041  *                                                                      *
00042  ***********************************************************************/
00043 
00044 #include "ColorReductionAdaptor.hpp"
00045 
00046 ColorReductionAdaptor::ColorReductionAdaptor(VideoESInfo * pESInfo, u32 key,
00047                                                                                                                                                                                  u32 bitrate,MP4Decoder::meCoderType coderType)
00048 {
00049     es = pESInfo;
00050     initialized = false;
00051     keyFrameInterval = key;
00052         targetBitrate=bitrate;
00053         strcpy(name,"ColorReductionAdaptor");
00054         codec=coderType;
00055         dprintf_full("ColorReductionAdaptor::ColorReductionAdaptor Codec %i\n",(int)coderType);
00056 }
00057 
00058 void ColorReductionAdaptor::initialize()
00059 {
00060         if(initialized)
00061                 return;
00062 
00063   addAdaptor(new MP4Decoder(es, false, UncompressedVideoFrame::ColorSpaceI420, codec));
00064   addAdaptor(new YUVColorReductionAdaptor(es));
00065         if(targetBitrate==0 || targetBitrate>es->getAvgBandwidth())
00066                 targetBitrate=es->getAvgBandwidth() * 80 / 100;
00067   addAdaptor(new MP4Encoder(es, targetBitrate, (int)es->getFPS(), keyFrameInterval, 0 /*BVOPs*/, UncompressedVideoFrame::ColorSpaceI420, codec));
00068   initialized = true;
00069 };
00070 
00071 ColorReductionAdaptor::~ColorReductionAdaptor()
00072 {
00073 }
00074 
00075 Adaptor *ColorReductionAdaptor::clone()
00076 {
00077     return new ColorReductionAdaptor(es,keyFrameInterval,targetBitrate,codec);
00078 }
00079