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subtract_Filter.h

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00001 /* ---------------------------------------------------------------------------
00002     Phission :
00003         Realtime Vision Processing System
00004 
00005     Copyright (C) 2003-2006 Philip D.S. Thoren (pthoren@cs.uml.edu)
00006     University of Massachusetts at Lowell,
00007     Laboratory for Artificial Intelligence and Robotics
00008 
00009     This file is part of Phission.
00010 
00011     Phission is free software; you can redistribute it and/or modify
00012     it under the terms of the GNU Lesser General Public License as published by
00013     the Free Software Foundation; either version 2 of the License, or
00014     (at your option) any later version.
00015 
00016     Phission is distributed in the hope that it will be useful,
00017     but WITHOUT ANY WARRANTY; without even the implied warranty of
00018     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019     GNU Lesser General Public License for more details.
00020 
00021     You should have received a copy of the GNU Lesser General Public License
00022     along with Phission; if not, write to the Free Software
00023     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00024 
00025  ---------------------------------------------------------------------------*/
00026 #ifndef _SUBTRACT_FILTER_H
00027 #define _SUBTRACT_FILTER_H
00028 
00034 #include <phFilter.h>
00035 
00041 /* ------------------------------------------------------------------------ */
00060 PHAPI(class) subtract_Filter : public phFilter
00061 {
00062 private:
00063     uint32_t m_nFrames;
00064     uint32_t m_frame_step;
00065     uint32_t m_total_stored;
00066     uint32_t m_first_frame_index;
00067     uint32_t m_current_frame_index;
00068     
00069     uint32_t m_frame_elems;
00070     uint32_t m_frame_size;
00071     
00072     uint8_t **m_imgptrs;
00073     uint32_t m_imgptrs_size;
00074     uint8_t *m_buffer;
00075     uint32_t m_buffer_size;
00076     uint8_t *m_outputBuffer;
00077     uint32_t m_outputBuffer_size;
00078 
00079     uint32_t m_buf_height;
00080     uint32_t m_buf_width;
00081     uint32_t m_buf_depth;
00082     uint32_t m_buf_format;
00083     uint32_t m_buf_nframes;
00084     uint32_t m_buf_step;
00085     uint32_t m_group_step;
00086 
00087     int check_buffers( uint32_t alloc = 0 );
00088     
00089 protected:
00090     int filter();
00091 
00092 public:
00105     subtract_Filter(uint32_t nFrames = 2,
00106                     uint32_t frame_step = 1,
00107                     uint32_t group_step = 1);
00108     ~subtract_Filter();
00109     
00124     int set(uint32_t nFrames = 2,
00125             uint32_t frame_step = 1,
00126             uint32_t group_step = 1);
00127 
00135     int flush();
00136     
00144     phFilter *cloneFilter();
00145 
00146 };
00147  /* ImageProcessing */
00149 
00150 #endif /* _SUBTRACT_FILTER_H */
00151 




Copyright (C) 2002 - 2007 Philip D.S. Thoren ( pthoren@users.sourceforge.net )
University Of Massachusetts at Lowell
Robotics Lab
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