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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "mp_image.h"
#include "mp_msg.h"
#include "vf.h"
#include "libvo/fastmemcpy.h"
struct vf_priv_s {
int x, y, w, h;
};
static int
config(struct vf_instance_s* vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt)
{
if (vf->priv->w < 0 || width < vf->priv->w)
vf->priv->w = width;
if (vf->priv->h < 0 || height < vf->priv->h)
vf->priv->h = height;
if (vf->priv->x < 0)
vf->priv->x = (width - vf->priv->w) / 2;
if (vf->priv->y < 0)
vf->priv->y = (height - vf->priv->h) / 2;
if (vf->priv->w + vf->priv->x > width
|| vf->priv->h + vf->priv->y > height) {
mp_msg(MSGT_VFILTER,MSGL_WARN,"rectangle: bad position/width/height - rectangle area is out of the original!\n");
return 0;
}
return vf_next_config(vf, width, height, d_width, d_height, flags, outfmt);
}
static int
control(struct vf_instance_s* vf, int request, void *data)
{
const int *const tmp = data;
switch(request){
case VFCTRL_CHANGE_RECTANGLE:
switch (tmp[0]){
case 0:
vf->priv->w += tmp[1];
return 1;
break;
case 1:
vf->priv->h += tmp[1];
return 1;
break;
case 2:
vf->priv->x += tmp[1];
return 1;
break;
case 3:
vf->priv->y += tmp[1];
return 1;
break;
default:
mp_msg(MSGT_VFILTER,MSGL_FATAL,"Unknown param %d \n", tmp[0]);
return 0;
}
}
return vf_next_control(vf, request, data);
return 0;
}
static int
put_image(struct vf_instance_s* vf, mp_image_t* mpi, double pts){
mp_image_t* dmpi;
unsigned int bpp = mpi->bpp / 8;
unsigned int x, y, w, h;
dmpi = vf_get_image(vf->next, mpi->imgfmt, MP_IMGTYPE_TEMP,
MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
mpi->w, mpi->h);
memcpy_pic(dmpi->planes[0],mpi->planes[0],mpi->w*bpp, mpi->h,
dmpi->stride[0],mpi->stride[0]);
if(mpi->flags&MP_IMGFLAG_PLANAR && mpi->flags&MP_IMGFLAG_YUV){
memcpy_pic(dmpi->planes[1],mpi->planes[1],
mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift,
dmpi->stride[1],mpi->stride[1]);
memcpy_pic(dmpi->planes[2],mpi->planes[2],
mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift,
dmpi->stride[2],mpi->stride[2]);
}
/* Draw the rectangle */
mp_msg(MSGT_VFILTER,MSGL_INFO, "rectangle: -vf rectangle=%d:%d:%d:%d \n", vf->priv->w, vf->priv->h, vf->priv->x, vf->priv->y);
if (vf->priv->x < 0)
x = 0;
else if (dmpi->width < vf->priv->x)
x = dmpi->width;
else
x = vf->priv->x;
if (vf->priv->x + vf->priv->w - 1 < 0)
w = vf->priv->x + vf->priv->w - 1 - x;
else if (dmpi->width < vf->priv->x + vf->priv->w - 1)
w = dmpi->width - x;
else
w = vf->priv->x + vf->priv->w - 1 - x;
if (vf->priv->y < 0)
y = 0;
else if (dmpi->height < vf->priv->y)
y = dmpi->height;
else
y = vf->priv->y;
if (vf->priv->y + vf->priv->h - 1 < 0)
h = vf->priv->y + vf->priv->h - 1 - y;
else if (dmpi->height < vf->priv->y + vf->priv->h - 1)
h = dmpi->height - y;
else
h = vf->priv->y + vf->priv->h - 1 - y;
if (0 <= vf->priv->y && vf->priv->y <= dmpi->height) {
unsigned char *p = dmpi->planes[0] + y * dmpi->stride[0] + x * bpp;
unsigned int count = w * bpp;
while (count--)
p[count] = 0xff - p[count];
}
if (h != 1 && vf->priv->y + vf->priv->h - 1 <= mpi->height) {
unsigned char *p = dmpi->planes[0] + (vf->priv->y + vf->priv->h - 1) * dmpi->stride[0] + x * bpp;
unsigned int count = w * bpp;
while (count--)
p[count] = 0xff - p[count];
}
if (0 <= vf->priv->x && vf->priv->x <= dmpi->width) {
unsigned char *p = dmpi->planes[0] + y * dmpi->stride[0] + x * bpp;
unsigned int count = h;
while (count--) {
unsigned int i = bpp;
while (i--)
p[i] = 0xff - p[i];
p += dmpi->stride[0];
}
}
if (w != 1 && vf->priv->x + vf->priv->w - 1 <= mpi->width) {
unsigned char *p = dmpi->planes[0] + y * dmpi->stride[0] + (vf->priv->x + vf->priv->w - 1) * bpp;
unsigned int count = h;
while (count--) {
unsigned int i = bpp;
while (i--)
p[i] = 0xff - p[i];
p += dmpi->stride[0];
}
}
return vf_next_put_image(vf, dmpi, pts);
}
static int
open(vf_instance_t* vf, char* args) {
vf->config = config;
vf->control = control;
vf->put_image = put_image;
vf->priv = malloc(sizeof(struct vf_priv_s));
vf->priv->x = -1;
vf->priv->y = -1;
vf->priv->w = -1;
vf->priv->h = -1;
if (args)
sscanf(args, "%d:%d:%d:%d",
&vf->priv->w, &vf->priv->h, &vf->priv->x, &vf->priv->y);
return 1;
}
vf_info_t vf_info_rectangle = {
"draw rectangle",
"rectangle",
"Kim Minh Kaplan",
"",
open,
NULL
};
|
