OpenVideo Documentation

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ImageSrc.h

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00001 /* ========================================================================
00002  * Copyright (C) 2005  Graz University of Technology
00003  *
00004  * This framework is free software; you can redistribute it and/or modify
00005  * it under the terms of the GNU General Public License as published by
00006  * the Free Software Foundation; either version 2 of the License, or
00007  * (at your option) any later version.
00008  *
00009  * This framework is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  * GNU General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU General Public License
00015  * along with this framework; if not, write to the Free Software
00016  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00017  *
00018  * For further information please contact Denis Kalkofen under
00019  * <kalkofen@icg.tu-graz.ac.at> or write to Denis Kalkofen,
00020  * Graz University of Technology, Inffeldgasse 16a, A8010 Graz,
00021  * Austria.
00022  * ========================================================================
00023  * PROJECT: OpenVideo
00024  * ======================================================================== */
00031  /* ======================================================================= */
00032 
00033 
00034 #ifndef _IMAGESRC_H
00035 #define _IMAGESRC_H
00036 
00037 #include <openvideo/openVideo.h>
00038 #include <openvideo/State.h>
00039 
00040 #ifdef ENABLE_IMAGESRC
00041 
00042 #include <string>
00043 #include <vector>
00044 
00045 #include <openvideo/Node.h>
00046 
00047 class ACE_Time_Value;
00048 
00049 
00050 namespace openvideo {
00051 
00052 
00053 class OPENVIDEO_API ImageSrc : public openvideo::Node
00054 {
00055 public:
00059     ImageSrc(); 
00060 
00064     ~ImageSrc();
00065 
00067 
00072     virtual void nextImage()  {  doNextPic = true;  }
00073 
00077     virtual bool setParameter(std::string key, std::string value);
00078 
00083     virtual void init();
00084 
00088     virtual void process();
00089 
00093     virtual void postProcess();
00094 
00095     virtual void preProcess();
00096     virtual void initPixelFormats();
00097 
00098 protected:
00099     int                         numBuffers;
00100     unsigned int                updateCtr;
00101     size_t                      curIdx;
00102     int                         width,height;
00103     std::vector<std::string>    fileNames;
00104     float                       delay;
00105     bool                        manual, doNextPic;
00106     ACE_Time_Value              *lastUpdate;
00107 };
00108 
00109 
00110 }//namespace openvideo {
00111 
00112 #endif // ENABLE_DSVLSRC
00113 
00114 #endif // _IMAGESRC_H
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