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