2 * motiondetect_internal.h
4 * Copyright (C) Georg Martius - February 2011
5 * georg dot martius at web dot de
6 * Copyright (C) Alexey Osipov - Jule 2011
7 * simba at lerlan dot ru
8 * speed optimizations (threshold, spiral, SSE, asm)
10 * This file is part of vid.stab video stabilization library
12 * vid.stab is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License,
14 * as published by the Free Software Foundation; either version 2, or
15 * (at your option) any later version.
17 * vid.stab is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with GNU Make; see the file COPYING. If not, write to
24 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
28 #ifndef MOTIONDETECT_INTERNAL_H
29 #define MOTIONDETECT_INTERNAL_H
31 #include "motiondetect.h"
33 /* type for a function that calculates the transformation of a certain field
35 typedef LocalMotion (*calcFieldTransFunc
)(VSMotionDetect
*, VSMotionDetectFields
*,
38 /* type for a function that calculates the contrast of a certain field
40 typedef double (*contrastSubImgFunc
)(VSMotionDetect
*, const Field
*);
43 int initFields(VSMotionDetect
* md
, VSMotionDetectFields
* fs
,
44 int fieldSize
, int maxShift
, int stepSize
, short border
,
45 int spacing
, double contrastThreshold
);
47 double contrastSubImgPlanar(VSMotionDetect
* md
, const Field
* field
);
48 double contrastSubImgPacked(VSMotionDetect
* md
, const Field
* field
);
49 double contrastSubImg(unsigned char* const I
, const Field
* field
,
50 int width
, int height
, int bytesPerPixel
);
53 int cmp_contrast_idx(const void *ci1
, const void* ci2
);
54 VSVector
selectfields(VSMotionDetect
* md
, VSMotionDetectFields
* fields
,
55 contrastSubImgFunc contrastfunc
);
57 LocalMotion
calcFieldTransPlanar(VSMotionDetect
* md
, VSMotionDetectFields
* fields
,
58 const Field
* field
, int fieldnum
);
59 LocalMotion
calcFieldTransPacked(VSMotionDetect
* md
, VSMotionDetectFields
* fields
,
60 const Field
* field
, int fieldnum
);
61 LocalMotions
calcTransFields(VSMotionDetect
* md
, VSMotionDetectFields
* fields
,
62 calcFieldTransFunc fieldfunc
,
63 contrastSubImgFunc contrastfunc
);
66 void drawFieldScanArea(VSMotionDetect
* md
, const LocalMotion
* motion
, int maxShift
);
67 void drawField(VSMotionDetect
* md
, const LocalMotion
* motion
, short box
);
68 void drawFieldTrans(VSMotionDetect
* md
, const LocalMotion
* motion
, int color
);
69 void drawBox(unsigned char* I
, int width
, int height
, int bytesPerPixel
,
70 int x
, int y
, int sizex
, int sizey
, unsigned char color
);
71 void drawRectangle(unsigned char* I
, int width
, int height
, int bytesPerPixel
,
72 int x
, int y
, int sizex
, int sizey
, unsigned char color
);
74 void drawLine(unsigned char* I
, int width
, int height
, int bytesPerPixel
,
75 Vec
* a
, Vec
* b
, int thickness
, unsigned char color
);
77 unsigned int compareSubImg_thr(unsigned char* const I1
, unsigned char* const I2
,
78 const Field
* field
, int width1
, int width2
, int height
,
80 int d_x
, int d_y
, unsigned int threshold
);
82 #endif /* MOTIONDETECT_INTERNAL_H */
86 * c-file-style: "stroustrup"
87 * c-file-offsets: ((case-label . *) (statement-case-intro . *))
88 * indent-tabs-mode: nil
92 * vim: expandtab shiftwidth=2: