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 */ 85