/home/rex/ebltrunk/tools/libeblearntools/include/camera_directory.h

/***************************************************************************
 *   Copyright (C) 2010 by Pierre Sermanet   *
 *   pierre.sermanet@gmail.com   *
 *   All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Redistribution under a license not approved by the Open Source 
 *       Initiative (http://www.opensource.org) must display the 
 *       following acknowledgement in all advertising material:
 *        This product includes software developed at the Courant
 *        Institute of Mathematical Sciences (http://cims.nyu.edu).
 *     * The names of the authors may not be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL ThE AUTHORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ***************************************************************************/

#ifndef CAMERA_DIRECTORY_H_
#define CAMERA_DIRECTORY_H_

#include "camera.h"
#include "tools_utils.h"

#ifdef __BOOST__
#define BOOST_FILESYSTEM_VERSION 2
#include "boost/filesystem.hpp"
#include "boost/regex.hpp"
using namespace boost::filesystem;
using namespace boost;
#endif

using namespace std;

namespace ebl {

  template <typename Tdata> class camera_directory : public camera<Tdata> {
  public:
    // constructors/allocation /////////////////////////////////////////////////

    camera_directory(const char *directory, int height_ = -1, int width_ = -1,
                     bool randomize = false, uint npasses = 1,
                     std::ostream &out = std::cout,
                     std::ostream &err = std::cerr,
                     const char *file_pattern = IMAGE_PATTERN_MAT,
                     const list<string> *files = NULL);
    camera_directory(int height_ = -1, int width_ = -1,
                     bool randomize = false, uint npasses = 1,
                     std::ostream &out = std::cout,
                     std::ostream &err = std::cerr,
                     const char *file_pattern = IMAGE_PATTERN_MAT);
    bool read_directory(const char *directory);    
    virtual ~camera_directory();

    // frame grabbing //////////////////////////////////////////////////////////

    virtual idx<Tdata> grab();
    virtual string grab_filename();
    virtual void next();
    virtual void previous();
    virtual bool empty();
    virtual void skip(uint n);
    virtual string frame_name();
    virtual string frame_fullname();
    virtual string get_subdir();
    virtual int remaining();
    virtual int size();

    // members /////////////////////////////////////////////////////////////////
  protected:
    using camera<Tdata>::frame; 
    using camera<Tdata>::frame_id_;     
    using camera<Tdata>::frame_name_;   
    using camera<Tdata>::out;   
    using camera<Tdata>::err;   
    files_list          *fl;    
    files_list::iterator fli;   
    string               indir; 
    string               fdir;  
    string               fname; 
    string               subdir;
    ostringstream        oss;   
    uint                 flsize;        
    bool                 randomize; 
    uint                 npasses; 
    const char          *file_pattern; 
  };

} // end namespace ebl

#include "camera_directory.hpp"


#endif /* CAMERA_DIRECTORY_H_ */