| 1 | /* |
| 2 | * transform.h |
| 3 | * |
| 4 | * Copyright (C) Georg Martius - June 2007 - 2013 |
| 5 | * |
| 6 | * This file is part of transcode, a video stream processing tool |
| 7 | * |
| 8 | * transcode is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2, or (at your option) |
| 11 | * any later version. |
| 12 | * |
| 13 | * transcode is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with GNU Make; see the file COPYING. If not, write to |
| 20 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
| 21 | * |
| 22 | */ |
| 23 | #ifndef __TRANSFORMTYPE_H |
| 24 | #define __TRANSFORMTYPE_H |
| 25 | |
| 26 | #include <stdio.h> |
| 27 | #include "vsvector.h" |
| 28 | |
| 29 | /* structure to hold information about frame transformations |
| 30 | x,y are translations, alpha is a rotation around the center in RAD, |
| 31 | zoom is a percentage to zoom in and |
| 32 | extra is for additional information like scene cut (unused) |
| 33 | */ |
| 34 | typedef struct _transform { |
| 35 | double x; |
| 36 | double y; |
| 37 | double alpha; |
| 38 | double zoom; |
| 39 | double barrel; |
| 40 | double rshutter; |
| 41 | int extra; /* -1: ignore transform (only internal use); |
| 42 | 0 for normal trans; 1 for inter scene cut (unused) */ |
| 43 | } VSTransform; |
| 44 | |
| 45 | /** stores x y and size of a measurement field */ |
| 46 | typedef struct _field { |
| 47 | int x; // middle position x |
| 48 | int y; // middle position y |
| 49 | int size; // size of field |
| 50 | } Field; |
| 51 | |
| 52 | /** stores x y coordinates (integer) */ |
| 53 | typedef struct _vec { |
| 54 | int x; // middle position x |
| 55 | int y; // middle position y |
| 56 | } Vec; |
| 57 | |
| 58 | /* structure to hold information about local motion. |
| 59 | */ |
| 60 | typedef struct _localmotion { |
| 61 | Vec v; |
| 62 | Field f; |
| 63 | double contrast; // local contrast of the measurement field |
| 64 | double match; // quality of match |
| 65 | } LocalMotion; |
| 66 | |
| 67 | typedef VSVector LocalMotions; |
| 68 | |
| 69 | #endif |
| 70 | |
| 71 | /* |
| 72 | * Local variables: |
| 73 | * c-file-style: "stroustrup" |
| 74 | * c-file-offsets: ((case-label . *) (statement-case-intro . *)) |
| 75 | * indent-tabs-mode: nil |
| 76 | * c-basic-offset: 2 t |
| 77 | * End: |
| 78 | * |
| 79 | * vim: expandtab shiftwidth=2: |
| 80 | */ |