1 /* Simple Plugin API
2 *
3 * Copyright © 2018 Wim Taymans
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 */
24
25 #ifndef SPA_DEBUG_POD_H
26 #define SPA_DEBUG_POD_H
27
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31
32 /**
33 * \addtogroup spa_debug
34 * \{
35 */
36
37 #include <spa/debug/mem.h>
38 #include <spa/debug/types.h>
39 #include <spa/pod/pod.h>
40 #include <spa/pod/iter.h>
41
42 #ifndef spa_debug
43 #define spa_debug(...) ({ fprintf(stderr, __VA_ARGS__);fputc('\n', stderr); })
44 #endif
45
46 static inline int
spa_debug_pod_value(int indent,const struct spa_type_info * info,uint32_t type,void * body,uint32_t size)47 spa_debug_pod_value(int indent, const struct spa_type_info *info,
48 uint32_t type, void *body, uint32_t size)
49 {
50 switch (type) {
51 case SPA_TYPE_Bool:
52 spa_debug("%*s" "Bool %s", indent, "", (*(int32_t *) body) ? "true" : "false");
53 break;
54 case SPA_TYPE_Id:
55 spa_debug("%*s" "Id %-8d (%s)", indent, "", *(int32_t *) body,
56 spa_debug_type_find_name(info, *(int32_t *) body));
57 break;
58 case SPA_TYPE_Int:
59 spa_debug("%*s" "Int %d", indent, "", *(int32_t *) body);
60 break;
61 case SPA_TYPE_Long:
62 spa_debug("%*s" "Long %" PRIi64 "", indent, "", *(int64_t *) body);
63 break;
64 case SPA_TYPE_Float:
65 spa_debug("%*s" "Float %f", indent, "", *(float *) body);
66 break;
67 case SPA_TYPE_Double:
68 spa_debug("%*s" "Double %f", indent, "", *(double *) body);
69 break;
70 case SPA_TYPE_String:
71 spa_debug("%*s" "String \"%s\"", indent, "", (char *) body);
72 break;
73 case SPA_TYPE_Fd:
74 spa_debug("%*s" "Fd %d", indent, "", *(int *) body);
75 break;
76 case SPA_TYPE_Pointer:
77 {
78 struct spa_pod_pointer_body *b = (struct spa_pod_pointer_body *)body;
79 spa_debug("%*s" "Pointer %s %p", indent, "",
80 spa_debug_type_find_name(SPA_TYPE_ROOT, b->type), b->value);
81 break;
82 }
83 case SPA_TYPE_Rectangle:
84 {
85 struct spa_rectangle *r = (struct spa_rectangle *)body;
86 spa_debug("%*s" "Rectangle %dx%d", indent, "", r->width, r->height);
87 break;
88 }
89 case SPA_TYPE_Fraction:
90 {
91 struct spa_fraction *f = (struct spa_fraction *)body;
92 spa_debug("%*s" "Fraction %d/%d", indent, "", f->num, f->denom);
93 break;
94 }
95 case SPA_TYPE_Bitmap:
96 spa_debug("%*s" "Bitmap", indent, "");
97 break;
98 case SPA_TYPE_Array:
99 {
100 struct spa_pod_array_body *b = (struct spa_pod_array_body *)body;
101 void *p;
102 const struct spa_type_info *ti = spa_debug_type_find(SPA_TYPE_ROOT, b->child.type);
103
104 spa_debug("%*s" "Array: child.size %d, child.type %s", indent, "",
105 b->child.size, ti ? ti->name : "unknown");
106
107 info = info && info->values ? info->values : info;
108 SPA_POD_ARRAY_BODY_FOREACH(b, size, p)
109 spa_debug_pod_value(indent + 2, info, b->child.type, p, b->child.size);
110 break;
111 }
112 case SPA_TYPE_Choice:
113 {
114 struct spa_pod_choice_body *b = (struct spa_pod_choice_body *)body;
115 void *p;
116 const struct spa_type_info *ti = spa_debug_type_find(spa_type_choice, b->type);
117
118 spa_debug("%*s" "Choice: type %s, flags %08x %d %d", indent, "",
119 ti ? ti->name : "unknown", b->flags, size, b->child.size);
120
121 SPA_POD_CHOICE_BODY_FOREACH(b, size, p)
122 spa_debug_pod_value(indent + 2, info, b->child.type, p, b->child.size);
123 break;
124 }
125 case SPA_TYPE_Struct:
126 {
127 struct spa_pod *b = (struct spa_pod *)body, *p;
128 spa_debug("%*s" "Struct: size %d", indent, "", size);
129 SPA_POD_FOREACH(b, size, p)
130 spa_debug_pod_value(indent + 2, info, p->type, SPA_POD_BODY(p), p->size);
131 break;
132 }
133 case SPA_TYPE_Object:
134 {
135 struct spa_pod_object_body *b = (struct spa_pod_object_body *)body;
136 struct spa_pod_prop *p;
137 const struct spa_type_info *ti, *ii;
138
139 ti = spa_debug_type_find(info, b->type);
140 ii = ti ? spa_debug_type_find(ti->values, 0) : NULL;
141 ii = ii ? spa_debug_type_find(ii->values, b->id) : NULL;
142
143 spa_debug("%*s" "Object: size %d, type %s (%d), id %s (%d)", indent, "", size,
144 ti ? ti->name : "unknown", b->type, ii ? ii->name : "unknown", b->id);
145
146 info = ti ? ti->values : info;
147
148 SPA_POD_OBJECT_BODY_FOREACH(b, size, p) {
149 ii = spa_debug_type_find(info, p->key);
150
151 spa_debug("%*s" "Prop: key %s (%d), flags %08x", indent+2, "",
152 ii ? ii->name : "unknown", p->key, p->flags);
153
154 spa_debug_pod_value(indent + 4, ii ? ii->values : NULL,
155 p->value.type,
156 SPA_POD_CONTENTS(struct spa_pod_prop, p),
157 p->value.size);
158 }
159 break;
160 }
161 case SPA_TYPE_Sequence:
162 {
163 struct spa_pod_sequence_body *b = (struct spa_pod_sequence_body *)body;
164 const struct spa_type_info *ti, *ii;
165 struct spa_pod_control *c;
166
167 ti = spa_debug_type_find(info, b->unit);
168
169 spa_debug("%*s" "Sequence: size %d, unit %s", indent, "", size,
170 ti ? ti->name : "unknown");
171
172 SPA_POD_SEQUENCE_BODY_FOREACH(b, size, c) {
173 ii = spa_debug_type_find(spa_type_control, c->type);
174
175 spa_debug("%*s" "Control: offset %d, type %s", indent+2, "",
176 c->offset, ii ? ii->name : "unknown");
177
178 spa_debug_pod_value(indent + 4, ii ? ii->values : NULL,
179 c->value.type,
180 SPA_POD_CONTENTS(struct spa_pod_control, c),
181 c->value.size);
182 }
183 break;
184 }
185 case SPA_TYPE_Bytes:
186 spa_debug("%*s" "Bytes", indent, "");
187 spa_debug_mem(indent + 2, body, size);
188 break;
189 case SPA_TYPE_None:
190 spa_debug("%*s" "None", indent, "");
191 spa_debug_mem(indent + 2, body, size);
192 break;
193 default:
194 spa_debug("%*s" "unhandled POD type %d", indent, "", type);
195 break;
196 }
197 return 0;
198 }
199
spa_debug_pod(int indent,const struct spa_type_info * info,const struct spa_pod * pod)200 static inline int spa_debug_pod(int indent,
201 const struct spa_type_info *info, const struct spa_pod *pod)
202 {
203 return spa_debug_pod_value(indent, info ? info : SPA_TYPE_ROOT,
204 SPA_POD_TYPE(pod),
205 SPA_POD_BODY(pod),
206 SPA_POD_BODY_SIZE(pod));
207 }
208
209 /**
210 * \}
211 */
212
213
214 #ifdef __cplusplus
215 } /* extern "C" */
216 #endif
217
218 #endif /* SPA_DEBUG_POD_H */
219