00001 /*!@file Transport/LowLevelEncoderMap.H A partial implementation of FrameOstream, using a map between 'shortnames' and LowLevelEncoder objects */ 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/Transport/LowLevelEncoderMap.H $ 00035 // $Id: LowLevelEncoderMap.H 8905 2007-10-25 23:21:41Z rjpeters $ 00036 // 00037 00038 #ifndef TRANSPORT_LOWLEVELENCODERMAP_H_DEFINED 00039 #define TRANSPORT_LOWLEVELENCODERMAP_H_DEFINED 00040 00041 #include "Transport/FrameOstream.H" 00042 #include "Transport/LowLevelEncoder.H" 00043 #include "rutz/shared_ptr.h" 00044 00045 class GenericFrameSpec; 00046 00047 /// A partial implementation of FrameOstream, using a map between 'shortnames' and LowLevelEncoder objects 00048 /** Subclasses must implement makeEncoderForStem(), but do not need to 00049 implement writeFrame() or closeStream(). Subclasses may implement 00050 setConfigInfo() as needed. */ 00051 class LowLevelEncoderMap : public FrameOstream 00052 { 00053 public: 00054 LowLevelEncoderMap(OptionManager& mgr, 00055 const std::string& descrName, 00056 const std::string& tagName); 00057 00058 virtual ~LowLevelEncoderMap(); 00059 00060 /// Send the frame to the LowLevelEncoder corresponding to shortname 00061 /** If no such encoder exists yet, then a new one will be created by 00062 calling the subclass's implementation of makeEncoderForStem(). */ 00063 virtual void writeFrame(const GenericFrame& frame, 00064 const std::string& shortname, 00065 const FrameInfo& auxinfo); 00066 00067 /// Close and delete the LowLevelEncoder corresponding to shortname 00068 /*! This means that if additional frames are later sent to that same 00069 shortname, then a new LowLevelEncoder object will be created for 00070 that shortname (possibly overwriting previous files or output 00071 destinations, etc.). */ 00072 virtual void closeStream(const std::string& shortname); 00073 00074 protected: 00075 /// Must be implemented by subclasses to return a type-appropriate encoder object 00076 virtual rutz::shared_ptr<LowLevelEncoder> 00077 makeEncoder(const GenericFrameSpec& spec, 00078 const std::string& shortname, 00079 const FrameInfo& auxinfo) = 0; 00080 00081 /// Overridden to destroy our encoder map 00082 virtual void stop2(); 00083 00084 private: 00085 LowLevelEncoderMap(const LowLevelEncoderMap&); 00086 LowLevelEncoderMap& operator=(const LowLevelEncoderMap&); 00087 00088 struct Impl; 00089 Impl* rep; 00090 }; 00091 00092 // ###################################################################### 00093 /* So things look consistent in everyone's emacs... */ 00094 /* Local Variables: */ 00095 /* mode: c++ */ 00096 /* indent-tabs-mode: nil */ 00097 /* End: */ 00098 00099 #endif // TRANSPORT_LOWLEVELENCODERMAP_H_DEFINED
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