src/transformfixedpoint.h

   1 /*
   2  *  transformfixedpoint.h
   3  *
   4  *  Copyright (C) Georg Martius - June 2011
   5  *   georg dot martius at web dot de
   6  *
   7  *  This file is part of vid.stab video stabilization library
   8  *
   9  *  vid.stab is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License,
  11  *  as published by the Free Software Foundation; either version 2, or
  12  *  (at your option) any later version.
  13  *
  14  *  vid.stab is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with GNU Make; see the file COPYING.  If not, write to
  21  *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  22  *
  23  *  This work is licensed under the Creative Commons
  24  *  Attribution-NonCommercial-ShareAlike 2.5 License. To view a copy of
  25  *  this license, visit http://creativecommons.org/licenses/by-nc-sa/2.5/
  26  *  or send a letter to Creative Commons, 543 Howard Street, 5th Floor,
  27  *  San Francisco, California, 94105, USA.
  28  *  This EXCLUDES COMMERCIAL USAGE
  29  *
  30  */
  31 #ifndef __TRANSFORMFIXEDPOINT_H
  32 #define __TRANSFORMFIXEDPOINT_H
  33
  34 #include "transformtype.h"
  35 #include <stdint.h>
  36
  37 typedef int32_t fp8;
  38 typedef int32_t fp16; // also ncot definition of interpolFun in transform.h
  39
  40 struct _VSTransformData;
  41
  42 /// does the actual transformation in Packed space
  43 int transformPacked(struct _VSTransformData* td, VSTransform t);
  44
  45 /// does the actual transformation in Planar space
  46 int transformPlanar(struct _VSTransformData* td, VSTransform t);
  47
  48 // testing
  49 /// does the actual transformation in Planar space
  50 int transformPlanar_orc(struct _VSTransformData* td, VSTransform t);
  51
  52
  53 /* forward deklarations, please see .c file for documentation*/
  54 void interpolateBiLinBorder(uint8_t *rv, fp16 x, fp16 y,
  55                             const uint8_t *img, int img_linesize,
  56                             int w, int h, uint8_t def);
  57 void interpolateBiCub(uint8_t *rv, fp16 x, fp16 y,
  58                       const uint8_t *img, int img_linesize,
  59                       int width, int height, uint8_t def);
  60 void interpolateBiLin(uint8_t *rv, fp16 x, fp16 y,
  61                       const uint8_t *img, int img_linesize,
  62                       int w, int h, uint8_t def);
  63 void interpolateLin(uint8_t *rv, fp16 x, fp16 y,
  64                     const uint8_t *img, int img_linesize,
  65                     int w, int h, uint8_t def);
  66 void interpolateZero(uint8_t *rv, fp16 x, fp16 y,
  67                      const uint8_t *img, int img_linesize,
  68                      int w, int h, uint8_t def);
  69 void interpolateN(uint8_t *rv, fp16 x, fp16 y,
  70                   const uint8_t *img, int img_linesize,
  71                   int width, int height,
  72                   uint8_t N, uint8_t channel, uint8_t def);
  73
  74 #endif
  75
  76 /*
  77  * Local variables:
  78  *   c-file-style: "stroustrup"
  79  *   c-file-offsets: ((case-label . *) (statement-case-intro . *))
  80  *   indent-tabs-mode: nil
  81  * End:
  82  *
  83  * vim: expandtab shiftwidth=4:
  84  */