1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
/*
* video.h: A program for the Video Disk Recorder
*
* See the README file for copyright information and how to reach the author.
*
*/
#ifndef __video_h_
#define __video_h_
#include <time.h>
#include <math.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "global.h"
extern "C"
{
#include "debug.h"
}
#define LOGO_MAXHEIGHT 170
#define LOGO_MAXWIDTH 480
#define LOGO_DEFHEIGHT 100
#define LOGO_DEFWIDTH 192
#define LOGO_DEFHDWIDTH 288
#define LOGO_VMAXCOUNT 3 // count of IFrames for detection of "logo invisible"
#define LOGO_IMAXCOUNT 5 // count of IFrames for detection of "logo invisible"
#define LOGO_VMARK 0.5 // percantage of pixels for visible
#define LOGO_IMARK 0.15 // percentage of pixels for invisible
class cMarkAdLogo
{
private:
enum
{
TOP_LEFT,
TOP_RIGHT,
BOTTOM_LEFT,
BOTTOM_RIGHT
};
enum
{
ERROR=-3,
UNINITIALIZED=-2,
NOLOGO=-1,
NOCHANGE=0,
LOGO=1
};
int LOGOHEIGHT; // max. 140
int LOGOWIDTH; // 192-288
#define MAXPIXEL LOGO_MAXWIDTH*LOGO_MAXHEIGHT
struct areaT
{
uchar source[MAXPIXEL]; // original grayscale picture
uchar sobel[MAXPIXEL]; // monochrome picture with edges (after sobel)
uchar mask[MAXPIXEL]; // monochrome mask of logo
uchar result[MAXPIXEL]; // result of sobel + mask
int rpixel; // black pixel in result
int mpixel; // black pixel in mask
int status; // status = LOGO on, off, uninitialized
int lastiframe; // start/stop frame
int counter; // how many logo on, offs detected?
int corner; // which corner
MarkAdAspectRatio aspectratio; // aspectratio
bool valid; // logo mask valid?
} area;
int G[5][5];
int GX[3][3];
int GY[3][3];
MarkAdContext *macontext;
int Detect(int lastiframe, int *logoiframe); // ret 1 = logo, 0 = unknown, -1 = no logo
int Load(char *directory, char *file);
void Save(int lastiframe, uchar *picture);
public:
cMarkAdLogo(MarkAdContext *maContext);
~cMarkAdLogo();
int Process(int LastIFrame, int *LogoIFrame);
};
class cMarkAdBlackBordersHoriz
{
private:
enum
{
ERROR=-3,
UNINITIALIZED=-2,
NOBORDER=-1,
NOCHANGE=0,
BORDER=1
};
int borderstatus;
int borderiframe;
MarkAdContext *macontext;
public:
cMarkAdBlackBordersHoriz(MarkAdContext *maContext);
int Process(int LastIFrame,int *BorderIFrame);
};
class cMarkAdVideo
{
private:
MarkAdContext *macontext;
MarkAdMark mark;
MarkAdAspectRatio aspectratio;
cMarkAdBlackBordersHoriz *hborder;
cMarkAdLogo *logo;
void ResetMark();
bool AddMark(int Type, int Position, const char *Comment);
bool AspectRatioChange(MarkAdAspectRatio *a, MarkAdAspectRatio *b);
void SetTimerMarks(int LastIFrame);
public:
cMarkAdVideo(MarkAdContext *maContext);
~cMarkAdVideo();
MarkAdMark *Process(int LastIFrame);
};
#endif
|
