MrawvInputStream.H

Go to the documentation of this file.
00001 /*!@file Media/MrawvInputStream.H Read frames from raw video files */
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: Rob Peters <rjpeters at usc dot edu>
00034 // $HeadURL: svn://isvn.usc.edu/software/invt/trunk/saliency/src/Media/MrawvInputStream.H $
00035 // $Id: MrawvInputStream.H 9108 2007-12-30 06:14:30Z rjpeters $
00036 //
00037 
00038 #ifndef MEDIA_MRAWVINPUTSTREAM_H_DEFINED
00039 #define MEDIA_MRAWVINPUTSTREAM_H_DEFINED
00040 
00041 #include "Component/ModelComponent.H"
00042 #include "Component/ModelParam.H"
00043 #include "Transport/FrameIstream.H"
00044 #include "Raster/GenericFrame.H"
00045 
00046 class MrawvDecoder;
00047 
00048 // ######################################################################
00049 // ######################################################################
00050 //! MrawvInputStream is a wrapper class to read frames from raw video files
00051 /*! This class handles files that contain many frames in just one
00052   file. Raster/YuvParser deals with data where there is one file per
00053   frame. */
00054 
00055 class MrawvInputStream : public FrameIstream
00056 {
00057 public:
00058   //! Construct an mgzstream object for mgz input
00059   MrawvInputStream(OptionManager& mgr,
00060                  const std::string& descrName = "Multi Raw Video Input Stream",
00061                  const std::string& tagName = "MrawvInputStream");
00062 
00063   //! Virtual destructor
00064   virtual ~MrawvInputStream();
00065 
00066   //! Override from FrameIstream; just calls setFileName()
00067   virtual void setConfigInfo(const std::string& filename);
00068 
00069   //! get frame specifications, peeking at the first frame if necessary
00070   virtual GenericFrameSpec peekFrameSpec();
00071 
00072   //! Configure the MGZ Stream for decoding
00073   /*! @param fname name of file from which frames are to be read from */
00074   void setFileName(const std::string& fname);
00075 
00076   //! Read the next frame from the mgz stream
00077   /*! The native representation of the GenericFrame will be the same
00078     as what it was when the frame was stored into the stream. */
00079   virtual GenericFrame readFrame();
00080 
00081 private:
00082   MrawvDecoder *itsDecoder;
00083   GenericFrame itsFrame; // used for peeking of frame specs
00084   GenericFrameSpec itsFrameSpec;
00085   bool itsFrameSpecValid;
00086 };
00087 
00088 // ######################################################################
00089 /* So things look consistent in everyone's emacs... */
00090 /* Local Variables: */
00091 /* mode: c++ */
00092 /* indent-tabs-mode: nil */
00093 /* End: */
00094 
00095 #endif // MEDIA_MRAWVINPUTSTREAM_H_DEFINED
Generated on Sun May 8 08:41:01 2011 for iLab Neuromorphic Vision Toolkit by  doxygen 1.6.3