PipeWire 1.0.5
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introspect-funcs.h
Go to the documentation of this file.
1/* PipeWire */
2/* SPDX-FileCopyrightText: Copyright © 2020 Collabora Ltd. */
3/* @author George Kiagiadakis <george.kiagiadakis@collabora.com> */
4/* SPDX-License-Identifier: MIT */
5
6#ifndef PIPEWIRE_EXT_SESSION_MANAGER_INTROSPECT_FUNCS_H
7#define PIPEWIRE_EXT_SESSION_MANAGER_INTROSPECT_FUNCS_H
8
9#include "introspect.h"
10#include <spa/pod/builder.h>
11#include <pipewire/pipewire.h>
12
13#ifdef __cplusplus
14extern "C" {
15#endif
16
22static inline struct pw_session_info *
24 const struct pw_session_info *update)
25{
26 struct extended_info {
27 struct pw_properties *props_storage;
28 struct pw_session_info info;
29 } *ext;
30
31 if (update == NULL)
32 return info;
33
34 if (info == NULL) {
35 ext = (struct extended_info *) calloc(1, sizeof(*ext));
36 if (ext == NULL)
37 return NULL;
38
39 info = &ext->info;
40 info->id = update->id;
41 } else {
42 ext = SPA_CONTAINER_OF(info, struct extended_info, info);
43 }
44
45 info->change_mask = update->change_mask;
46
48 if (!ext->props_storage) {
49 ext->props_storage = pw_properties_new(NULL, NULL);
50 info->props = &ext->props_storage->dict;
51 }
52 pw_properties_clear(ext->props_storage);
53 pw_properties_update(ext->props_storage, update->props);
54 }
56 info->n_params = update->n_params;
57 free((void *) info->params);
58 if (update->params) {
59 size_t size = info->n_params * sizeof(struct spa_param_info);
60 info->params = (struct spa_param_info *) malloc(size);
61 memcpy(info->params, update->params, size);
62 }
63 else
64 info->params = NULL;
65 }
66 return info;
67}
68
69static inline void
71{
72 struct extended_info {
73 struct pw_properties *props_storage;
74 struct pw_session_info info;
75 } *ext = SPA_CONTAINER_OF(info, struct extended_info, info);
76
77 pw_properties_free(ext->props_storage);
78 free((void *) info->params);
79 free(ext);
80}
81
82static inline struct pw_endpoint_info *
84 const struct pw_endpoint_info *update)
85{
86 struct extended_info {
87 struct pw_properties *props_storage;
88 struct pw_endpoint_info info;
89 } *ext;
90
91 if (update == NULL)
92 return info;
93
94 if (info == NULL) {
95 ext = (struct extended_info *) calloc(1, sizeof(*ext));
96 if (ext == NULL)
97 return NULL;
98
99 info = &ext->info;
100 info->id = update->id;
101 info->name = strdup(update->name);
102 info->media_class = strdup(update->media_class);
103 info->direction = update->direction;
104 info->flags = update->flags;
105 } else {
106 ext = SPA_CONTAINER_OF(info, struct extended_info, info);
107 }
108
109 info->change_mask = update->change_mask;
110
112 info->n_streams = update->n_streams;
113
115 info->session_id = update->session_id;
116
118 if (!ext->props_storage) {
119 ext->props_storage = pw_properties_new(NULL, NULL);
120 info->props = &ext->props_storage->dict;
121 }
122 pw_properties_clear(ext->props_storage);
123 pw_properties_update(ext->props_storage, update->props);
124 }
126 info->n_params = update->n_params;
127 free((void *) info->params);
128 if (update->params) {
129 size_t size = info->n_params * sizeof(struct spa_param_info);
130 info->params = (struct spa_param_info *) malloc(size);
131 memcpy(info->params, update->params, size);
132 }
133 else
134 info->params = NULL;
135 }
136 return info;
137}
138
139static inline void
141{
142 struct extended_info {
143 struct pw_properties *props_storage;
144 struct pw_endpoint_info info;
145 } *ext = SPA_CONTAINER_OF(info, struct extended_info, info);
146
147 pw_properties_free(ext->props_storage);
148 free(info->name);
149 free(info->media_class);
150 free((void *) info->params);
151 free(ext);
152}
153
154static inline struct pw_endpoint_stream_info *
156 const struct pw_endpoint_stream_info *update)
157{
158 struct extended_info {
159 struct pw_properties *props_storage;
160 struct pw_endpoint_stream_info info;
161 } *ext;
162
163 if (update == NULL)
164 return info;
165
166 if (info == NULL) {
167 ext = (struct extended_info *) calloc(1, sizeof(*ext));
168 if (ext == NULL)
169 return NULL;
170
171 info = &ext->info;
172 info->id = update->id;
173 info->endpoint_id = update->endpoint_id;
174 info->name = strdup(update->name);
175 } else {
176 ext = SPA_CONTAINER_OF(info, struct extended_info, info);
177 }
178
179 info->change_mask = update->change_mask;
180
182 free(info->link_params);
183 info->link_params = update->link_params ?
184 spa_pod_copy(update->link_params) : NULL;
185 }
187 if (!ext->props_storage) {
188 ext->props_storage = pw_properties_new(NULL, NULL);
189 info->props = &ext->props_storage->dict;
190 }
191 pw_properties_clear(ext->props_storage);
192 pw_properties_update(ext->props_storage, update->props);
193 }
195 info->n_params = update->n_params;
196 free((void *) info->params);
197 if (update->params) {
198 size_t size = info->n_params * sizeof(struct spa_param_info);
199 info->params = (struct spa_param_info *) malloc(size);
200 memcpy(info->params, update->params, size);
201 }
202 else
203 info->params = NULL;
204 }
205 return info;
206}
207
208static inline void
210{
211 struct extended_info {
212 struct pw_properties *props_storage;
214 } *ext = SPA_CONTAINER_OF(info, struct extended_info, info);
215
216 pw_properties_free(ext->props_storage);
217 free(info->name);
218 free(info->link_params);
219 free((void *) info->params);
220 free(ext);
221}
222
223
224static inline struct pw_endpoint_link_info *
226 const struct pw_endpoint_link_info *update)
227{
228 struct extended_info {
229 struct pw_properties *props_storage;
230 struct pw_endpoint_link_info info;
231 } *ext;
232
233 if (update == NULL)
234 return info;
235
236 if (info == NULL) {
237 ext = (struct extended_info *) calloc(1, sizeof(*ext));
238 if (ext == NULL)
239 return NULL;
240
241 info = &ext->info;
242 info->id = update->id;
243 info->session_id = update->session_id;
244 info->output_endpoint_id = update->output_endpoint_id;
245 info->output_stream_id = update->output_stream_id;
246 info->input_endpoint_id = update->input_endpoint_id;
247 info->input_stream_id = update->input_stream_id;
248 } else {
249 ext = SPA_CONTAINER_OF(info, struct extended_info, info);
250 }
251
252 info->change_mask = update->change_mask;
253
255 info->state = update->state;
256 free(info->error);
257 info->error = update->error ? strdup(update->error) : NULL;
258 }
260 if (!ext->props_storage) {
261 ext->props_storage = pw_properties_new(NULL, NULL);
262 info->props = &ext->props_storage->dict;
263 }
264 pw_properties_clear(ext->props_storage);
265 pw_properties_update(ext->props_storage, update->props);
266 }
268 info->n_params = update->n_params;
269 free((void *) info->params);
270 if (update->params) {
271 size_t size = info->n_params * sizeof(struct spa_param_info);
272 info->params = (struct spa_param_info *) malloc(size);
273 memcpy(info->params, update->params, size);
274 }
275 else
276 info->params = NULL;
277 }
278 return info;
279}
280
281static inline void
283{
284 struct extended_info {
285 struct pw_properties *props_storage;
287 } *ext = SPA_CONTAINER_OF(info, struct extended_info, info);
288
289 pw_properties_free(ext->props_storage);
290 free(info->error);
291 free((void *) info->params);
292 free(ext);
293}
294
299#ifdef __cplusplus
300} /* extern "C" */
301#endif
302
303#endif /* PIPEWIRE_EXT_SESSION_MANAGER_INTROSPECT_FUNCS_H */
spa/pod/builder.h
void pw_properties_free(struct pw_properties *properties)
Free a properties object.
Definition properties.c:351
struct pw_properties * pw_properties_new(const char *key,...)
Make a new properties object.
Definition properties.c:85
int pw_properties_update(struct pw_properties *props, const struct spa_dict *dict)
Update properties.
Definition properties.c:285
void pw_properties_clear(struct pw_properties *properties)
Clear a properties object.
Definition properties.c:264
#define PW_ENDPOINT_STREAM_CHANGE_MASK_PARAMS
Definition introspect.h:91
static void pw_endpoint_info_free(struct pw_endpoint_info *info)
Definition introspect-funcs.h:144
#define PW_SESSION_CHANGE_MASK_PROPS
Definition introspect.h:39
#define PW_ENDPOINT_CHANGE_MASK_SESSION
Definition introspect.h:64
#define PW_ENDPOINT_STREAM_CHANGE_MASK_PROPS
Definition introspect.h:89
#define PW_ENDPOINT_CHANGE_MASK_STREAMS
Definition introspect.h:62
static void pw_session_info_free(struct pw_session_info *info)
Definition introspect-funcs.h:74
static struct pw_session_info * pw_session_info_update(struct pw_session_info *info, const struct pw_session_info *update)
Definition introspect-funcs.h:27
#define PW_ENDPOINT_CHANGE_MASK_PROPS
Definition introspect.h:66
#define PW_ENDPOINT_LINK_CHANGE_MASK_PARAMS
Definition introspect.h:116
static struct pw_endpoint_stream_info * pw_endpoint_stream_info_update(struct pw_endpoint_stream_info *info, const struct pw_endpoint_stream_info *update)
Definition introspect-funcs.h:159
static struct pw_endpoint_link_info * pw_endpoint_link_info_update(struct pw_endpoint_link_info *info, const struct pw_endpoint_link_info *update)
Definition introspect-funcs.h:229
#define PW_ENDPOINT_CHANGE_MASK_PARAMS
Definition introspect.h:68
#define PW_ENDPOINT_LINK_CHANGE_MASK_PROPS
Definition introspect.h:114
#define PW_SESSION_CHANGE_MASK_PARAMS
Definition introspect.h:41
static void pw_endpoint_stream_info_free(struct pw_endpoint_stream_info *info)
Definition introspect-funcs.h:213
static void pw_endpoint_link_info_free(struct pw_endpoint_link_info *info)
Definition introspect-funcs.h:286
#define PW_ENDPOINT_STREAM_CHANGE_MASK_LINK_PARAMS
Definition introspect.h:87
static struct pw_endpoint_info * pw_endpoint_info_update(struct pw_endpoint_info *info, const struct pw_endpoint_info *update)
Definition introspect-funcs.h:87
#define PW_ENDPOINT_LINK_CHANGE_MASK_STATE
Definition introspect.h:112
static struct spa_pod * spa_pod_copy(const struct spa_pod *pod)
Copy a pod structure.
Definition builder.h:688
#define SPA_CONTAINER_OF(p, t, m)
Definition defs.h:212
pipewire/extensions/session-manager/introspect.h
pipewire/pipewire.h
Definition introspect.h:50
struct spa_param_info * params
parameters
Definition introspect.h:75
uint32_t id
the endpoint id (global)
Definition introspect.h:54
uint64_t change_mask
bitfield of changed fields since last call
Definition introspect.h:71
enum pw_direction direction
direction of the endpoint
Definition introspect.h:57
uint32_t n_params
number of items in params
Definition introspect.h:76
uint32_t flags
additional flags
Definition introspect.h:60
char * media_class
media class of the endpoint
Definition introspect.h:56
uint32_t session_id
the id of the controlling session
Definition introspect.h:73
uint32_t n_streams
number of streams available
Definition introspect.h:72
Definition introspect.h:79
uint32_t n_params
number of items in params
Definition introspect.h:98
struct spa_param_info * params
parameters
Definition introspect.h:97
uint32_t endpoint_id
the endpoint id (global)
Definition introspect.h:84
struct spa_pod * link_params
information for linking this stream
Definition introspect.h:95
uint32_t id
the stream id (local or global)
Definition introspect.h:83
uint64_t change_mask
bitfield of changed fields since last call
Definition introspect.h:94
Definition properties.h:33
Definition introspect.h:33
struct spa_param_info * params
parameters
Definition introspect.h:46
uint64_t change_mask
bitfield of changed fields since last call
Definition introspect.h:44
uint32_t id
the session id (global)
Definition introspect.h:37
uint32_t n_params
number of items in params
Definition introspect.h:47
information about a parameter
Definition param.h:51