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
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
/*
* Pure Data Packet module.
* Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
*
* 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_mmx.h"
#include <math.h>
typedef struct pdp_chrot_struct
{
t_object x_obj;
t_float x_f;
t_outlet *x_outlet0;
int x_packet0;
int x_queue_id;
int x_dropped; // indicate if a packet was dropped during register_rw cycle
int x_channel;
float x_matrix[4];
void *x_crot2d;
} t_pdp_chrot;
static void pdp_chrot_process_yv12(t_pdp_chrot *x)
{
t_pdp *header0 = pdp_packet_header(x->x_packet0);
void *data0 = pdp_packet_data (x->x_packet0);
unsigned int w = header0->info.image.width;
unsigned int h = header0->info.image.height;
unsigned int size = w*h;
unsigned int v_offset = size;
short int * idata = (short int *)data0;
/* color rotation for 2 colour planes */
pdp_imageproc_crot2d_process(x->x_crot2d, idata + v_offset, w>>1, h>>1);
return;
}
static void pdp_chrot_process(t_pdp_chrot *x)
{
t_pdp *header0 = pdp_packet_header(x->x_packet0);
/* check data packets */
if ((header0) && (PDP_IMAGE == header0->type)){
/* pdp_chrot_process inputs and write into active inlet */
switch(header0->info.image.encoding){
case PDP_IMAGE_YV12:
pdp_chrot_process_yv12(x);
break;
case PDP_IMAGE_GREY:
break;
default:
break;
/* don't know the type, so dont pdp_chrot_process */
}
}
}
static void pdp_chrot_sendpacket(t_pdp_chrot *x)
{
/* unregister and propagate if valid packet */
pdp_pass_if_valid(x->x_outlet0, &x->x_packet0);
}
static void pdp_chrot_input_0(t_pdp_chrot *x, t_symbol *s, t_floatarg f)
{
int p = (int)f;
if (s== gensym("register_rw")) x->x_dropped = pdp_packet_copy_rw_or_drop(&x->x_packet0, p);
if ((s == gensym("process")) && (-1 != x->x_packet0) && (!x->x_dropped)){
/* add the process method and callback to the process queue */
pdp_queue_add(x, pdp_chrot_process, pdp_chrot_sendpacket, &x->x_queue_id);
}
}
static void pdp_chrot_setelement(t_pdp_chrot *x, int element, float f)
{
x->x_matrix[element] = f;
}
static void pdp_chrot_angle_radians(t_pdp_chrot *x, t_floatarg angle)
{
float c = cos(angle);
float s = sin(angle);
pdp_chrot_setelement(x, 0, c);
pdp_chrot_setelement(x, 1, s);
pdp_chrot_setelement(x, 2, -s);
pdp_chrot_setelement(x, 3, c);
pdp_imageproc_crot2d_setmatrix(x->x_crot2d, x->x_matrix);
}
static void pdp_chrot_angle_degrees(t_pdp_chrot *x, t_floatarg angle)
{
pdp_chrot_angle_radians(x, (angle * (M_PI / 180.f)));
}
static void pdp_chrot_free(t_pdp_chrot *x)
{
pdp_queue_finish(x->x_queue_id);
pdp_imageproc_crot2d_delete(x->x_crot2d);
pdp_packet_mark_unused(x->x_packet0);
}
t_class *pdp_chrot_class;
void *pdp_chrot_new(t_floatarg f)
{
t_pdp_chrot *x = (t_pdp_chrot *)pd_new(pdp_chrot_class);
inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("angle"));
x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
x->x_packet0 = -1;
x->x_queue_id = -1;
x->x_crot2d = pdp_imageproc_crot2d_new();
pdp_chrot_angle_radians(x, 0.0f);
return (void *)x;
}
#ifdef __cplusplus
extern "C"
{
#endif
void pdp_chrot_setup(void)
{
pdp_chrot_class = class_new(gensym("pdp_chrot"), (t_newmethod)pdp_chrot_new,
(t_method)pdp_chrot_free, sizeof(t_pdp_chrot), 0, A_DEFFLOAT, A_NULL);
class_addmethod(pdp_chrot_class, (t_method)pdp_chrot_angle_degrees, gensym("angle"), A_DEFFLOAT, A_NULL);
class_addmethod(pdp_chrot_class, (t_method)pdp_chrot_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
}
#ifdef __cplusplus
}
#endif
|
