DeBayer.H

00001 /*!@file Raster/Debayer.C is the general debayer class */
00002 
00003 // //////////////////////////////////////////////////////////////////// //
00004 // The iLab Neuromorphic Vision C++ Toolkit - Copyright (C) 2001 by the //
00005 // 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: Zhicheng Li <zhicheng@usc.edu>
00034 // $HeadURL: svn://isvn.usc.edu/software/invt/trunk/saliency/src/Raster/DeBayer.H $
00035 // $Id: DeBayer.H 10794 2009-02-08 06:21:09Z itti $
00036 //
00037 
00038 #ifndef __DEBAYER_H__
00039 #define __DEBAYER_H__
00040 
00041 #include <stdio.h>
00042 #include <stdint.h>
00043 #ifdef INVT_USE_SSEDB
00044 #include <emmintrin.h>
00045 #ifdef INVT_USE_SSE3
00046 #include <pmmintrin.h>
00047 #endif
00048 #endif
00049 #include "Image/Image.H"
00050 #include "Image/Pixels.H"
00051 
00052 #define CPUID(func,ax,bx,cx,dx)                                \
00053   __asm__ __volatile__ (                                 \
00054                         "xchgl %%ebx, %1    \n\t"         \
00055                         "cpuid              \n\t"                        \
00056                         "xchgl %%ebx, %1    \n\t"                        \
00057                         : "=a" (ax), "=r" (bx), "=c" (cx), "=d" (dx)        \
00058                         : "a" (func)                                        \
00059                         : "cc")
00060 
00061 #define IS_ALIGNED16(x) (((uintptr_t)(x) & 0xf) == 0)
00062 #define IS_ALIGNED32(x) (((uintptr_t)(x) & 0x1f) == 0)
00063 #define IS_ALIGNED128(x) (((uintptr_t)(x) & 0x7f) == 0)
00064 
00065 #ifdef __cplusplus
00066 extern "C" {
00067 #endif
00068 }
00069 
00070 enum BayerFormat
00071   {
00072     //! 8 bit depth (1 byte) bayer type
00073     BAYER_GBRG,
00074     BAYER_GRBG,
00075     BAYER_RGGB,
00076     BAYER_BGGR,
00077     //! 12 bit depth (actually use 2 byte) bayer type
00078     BAYER_GBRG12,
00079     BAYER_GRBG12,
00080     BAYER_RGGB12,
00081     BAYER_BGGR12
00082   };
00083 
00084 inline void cpuid_detect (int * sse2, int * sse3)
00085 {
00086   int a, b, c, d;
00087   CPUID (1, a, b, c, d);
00088 
00089   if (sse2)
00090     *sse2 = (d >> 26) & 1;
00091   if (sse3)
00092     *sse3 = c & 1;
00093 }
00094 
00095 template<class T>
00096 Image<PixRGB<T> > deBayer(const Image<T>& src,
00097                              BayerFormat format =BAYER_GBRG);
00098 
00099 int
00100 splitBayerPlanes_8u (uint8_t *dst[4], int dstride,
00101                                  const uint8_t * src, int sstride,
00102                                  int width, int height);
00103 
00104 int
00105 replicateBorder_8u (uint8_t * src, int sstride, int width, int height);
00106 
00107 int
00108 copy_8u_generic (const uint8_t *src, int sstride,
00109                            uint8_t *dst, int dstride,
00110                            int src_x, int src_y,
00111                            int dst_x, int dst_y,
00112                            int width, int height,
00113                            int bits_per_pixel);
00114 
00115 
00116 /* So things look consistent in everyone's emacs... */
00117 /* Local Variables: */
00118 /* indent-tabs-mode: nil */
00119 /* End: */
00120 
00121 #endif
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