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
|
/*
* Pure Data Packet module.
* Copyright (c) by Tom Schouten <tom@zwizwa.be>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include "pdp.h"
#include "pdp_imagebase.h"
typedef struct pdp_constant_struct
{
t_pdp_imagebase x_base;
t_outlet *x_outlet0;
int x_packet0;
t_symbol *x_type;
unsigned int x_width;
unsigned int x_height;
void *x_constant;
} t_pdp_constant;
void pdp_constant_type(t_pdp_constant *x, t_symbol *s)
{
x->x_type = s;
}
void pdp_constant_value(t_pdp_constant *x, t_floatarg f)
{
if (f>1.0f) f = 1.0f;
if (f<-1.0f) f = -1.0f;
x->x_constant = (void *)((s32)(0x7fff * f));
}
static void pdp_constant_process(t_pdp_constant *x)
{
/* get channel mask */
u32 mask = pdp_imagebase_get_chanmask(x);
/* create new packet */
if (x->x_type == gensym("yv12")){x->x_packet0 = pdp_packet_new_image_YCrCb(x->x_width, x->x_height);}
else if (x->x_type == gensym("grey")){x->x_packet0 = pdp_packet_new_image_grey(x->x_width, x->x_height);}
else return;
/* this processes the packets using a pdp image processor */
pdp_imageproc_dispatch_1buf(&pdp_imageproc_constant_process, x->x_constant, mask, x->x_packet0);
pdp_imageproc_dispatch_1buf(&pdp_imageproc_constant_process, 0, ~mask, x->x_packet0);
return;
}
static void pdp_constant_postproc(t_pdp_constant *x)
{
pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet0);
}
static void pdp_constant_bang(t_pdp_constant *x)
{
pdp_base_bang(x);
}
static void pdp_constant_dim(t_pdp_constant *x, t_floatarg w, t_floatarg h)
{
x->x_width = pdp_imageproc_legalwidth((int)w);
x->x_height = pdp_imageproc_legalheight((int)h);
//post("dims %d %d", x->x_width, x->x_height);
}
static void pdp_constant_free(t_pdp_constant *x)
{
pdp_imagebase_free(x);
pdp_packet_mark_unused(x->x_packet0);
}
t_class *pdp_constant_class;
void *pdp_constant_new(void)
{
int i;
t_pdp_constant *x = (t_pdp_constant *)pd_new(pdp_constant_class);
/* super init */
pdp_imagebase_init(x);
/* in/out*/
pdp_base_add_gen_inlet(x, gensym("float"), gensym("value"));
x->x_outlet0 = pdp_base_add_pdp_outlet(x);
/* base callbacks */
pdp_base_disable_active_inlet(x);
pdp_base_set_process_method(x, (t_pdp_method)pdp_constant_process);
pdp_base_set_postproc_method(x, (t_pdp_method)pdp_constant_postproc);
/* data init */
x->x_packet0 = -1;
pdp_constant_dim(x, 320, 240);
pdp_constant_value(x, 0.0f);
pdp_constant_type(x, gensym("yv12"));
return (void *)x;
}
#ifdef __cplusplus
extern "C"
{
#endif
void pdp_constant_setup(void)
{
pdp_constant_class = class_new(gensym("pdp_constant"), (t_newmethod)pdp_constant_new,
(t_method)pdp_constant_free, sizeof(t_pdp_constant), 0, A_NULL);
pdp_imagebase_setup(pdp_constant_class);
class_addmethod(pdp_constant_class, (t_method)pdp_constant_value, gensym("value"), A_DEFFLOAT, A_NULL);
class_addmethod(pdp_constant_class, (t_method)pdp_constant_type, gensym("type"), A_SYMBOL, A_NULL);
class_addmethod(pdp_constant_class, (t_method)pdp_constant_dim, gensym("dim"), A_FLOAT, A_FLOAT, A_NULL);
class_addmethod(pdp_constant_class, (t_method)pdp_constant_bang, gensym("bang"), A_NULL);
}
#ifdef __cplusplus
}
#endif
|
