CachedFrameLoader.H

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00001 /*!@file NeovisionII/NeoAnnotate/CachedFrameLoader.H A Cached interface to InputFrameSeries */
00002 
00003 // //////////////////////////////////////////////////////////////////// //
00004 // The iLab Neuromorphic Vision C++ Toolkit - Copyright (C) 2000-2005   //
00005 // by the University of Southern California (USC) and the iLab at USC.  //
00006 // See http://iLab.usc.edu for information about this project.          //
00007 // //////////////////////////////////////////////////////////////////// //
00008 // Major portions of the iLab Neuromorphic Vision Toolkit are protected //
00009 // under the U.S. patent ``Computation of Intrinsic Perceptual Saliency //
00010 // in Visual Environments, and Applications'' by Christof Koch and      //
00011 // Laurent Itti, California Institute of Technology, 2001 (patent       //
00012 // pending; application number 09/912,225 filed July 23, 2001; see      //
00013 // http://pair.uspto.gov/cgi-bin/final/home.pl for current status).     //
00014 // //////////////////////////////////////////////////////////////////// //
00015 // This file is part of the iLab Neuromorphic Vision C++ Toolkit.       //
00016 //                                                                      //
00017 // The iLab Neuromorphic Vision C++ Toolkit is free software; you can   //
00018 // redistribute it and/or modify it under the terms of the GNU General  //
00019 // Public License as published by the Free Software Foundation; either  //
00020 // version 2 of the License, or (at your option) any later version.     //
00021 //                                                                      //
00022 // The iLab Neuromorphic Vision C++ Toolkit is distributed in the hope  //
00023 // that it will be useful, but WITHOUT ANY WARRANTY; without even the   //
00024 // implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      //
00025 // PURPOSE.  See the GNU General Public License for more details.       //
00026 //                                                                      //
00027 // You should have received a copy of the GNU General Public License    //
00028 // along with the iLab Neuromorphic Vision C++ Toolkit; if not, write   //
00029 // to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,   //
00030 // Boston, MA 02111-1307 USA.                                           //
00031 // //////////////////////////////////////////////////////////////////// //
00032 //
00033 // Primary maintainer for this file:
00034 // $HeadURL: svn://isvn.usc.edu/software/invt/trunk/saliency/src/NeovisionII/NeoAnnotate/CachedFrameLoader.H $
00035 // $Id: CachedFrameLoader.H 13844 2010-08-30 21:00:19Z rand $
00036 //
00037 
00038 #ifndef NEOVISIONII_NEOANNOTATE_CACHEDFRAMELOADER_H_DEFINED
00039 #define NEOVISIONII_NEOANNOTATE_CACHEDFRAMELOADER_H_DEFINED
00040 
00041 #include "Component/OptionManager.H"
00042 #include "Component/ModelComponent.H"
00043 #include "Media/MgzJDecoder.H"
00044 #include "Media/FrameSeries.H"
00045 
00046 #include <QtGui/QtGui>
00047 
00048 //! Cached interface to InputFrameSeries which directly delivers QImage images
00049 class CachedFrameLoader: public ModelComponent
00050 {
00051 public:
00052   //! Constructor
00053   CachedFrameLoader();
00054 
00055   //! Grab a new frame from the frame series, and convert it to a QImage
00056   QImage getFrame(int frameNum);
00057 
00058   //! Get the dimensions of the video frames
00059   Dims getDims() const;
00060 
00061   //! Get the framerange of the movie
00062   FrameRange getFrameRange() const;
00063     
00064   std::string getFrameFilename(int fnum);
00065 
00066   bool loadVideo(QString filename);
00067 
00068 
00069 private:
00070   MgzJDecoder* itsVideoDecoder;
00071   std::string itsFilenameRoot;
00072   Dims itsDims;
00073 };
00074 
00075 // ######################################################################
00076 /* So things look consistent in everyone's emacs... */
00077 /* Local Variables: */
00078 /* mode: c++ */
00079 /* indent-tabs-mode: nil */
00080 /* End: */
00081 
00082 #endif // NEOVISIONII_NEOANNOTATE_CACHEDFRAMELOADER_H_DEFINED
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