PipeWire  0.3.66
plugin-loader.h
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1 /* Simple Plugin API */
2 /* SPDX-FileCopyrightText: Copyright © 2021 Wim Taymans */
3 /* SPDX-License-Identifier: MIT */
4 
5 #ifndef SPA_PLUGIN_LOADER_H
6 #define SPA_PLUGIN_LOADER_H
7 
8 #ifdef __cplusplus
9 extern "C" {
10 #endif
11 
12 #include <spa/utils/hook.h>
13 #include <spa/utils/dict.h>
14 
24 #define SPA_TYPE_INTERFACE_PluginLoader SPA_TYPE_INFO_INTERFACE_BASE "PluginLoader"
25 
26 #define SPA_VERSION_PLUGIN_LOADER 0
27 struct spa_plugin_loader { struct spa_interface iface; };
28 
30 #define SPA_VERSION_PLUGIN_LOADER_METHODS 0
31  uint32_t version;
32 
40  struct spa_handle *(*load) (void *object, const char *factory_name, const struct spa_dict *info);
41 
48  int (*unload)(void *object, struct spa_handle *handle);
49 };
50 
51 static inline struct spa_handle *
52 spa_plugin_loader_load(struct spa_plugin_loader *loader, const char *factory_name, const struct spa_dict *info)
53 {
54  struct spa_handle *res = NULL;
55  if (SPA_LIKELY(loader != NULL))
57  struct spa_plugin_loader_methods, res,
58  load, 0, factory_name, info);
59  return res;
60 }
61 
62 static inline int
63 spa_plugin_loader_unload(struct spa_plugin_loader *loader, struct spa_handle *handle)
64 {
65  int res = -1;
66  if (SPA_LIKELY(loader != NULL))
68  struct spa_plugin_loader_methods, res,
69  unload, 0, handle);
70  return res;
71 }
72 
77 #ifdef __cplusplus
78 } /* extern "C" */
79 #endif
80 
81 #endif /* SPA_PLUGIN_LOADER_H */
#define spa_interface_call_res(iface, method_type, res, method, vers,...)
Invoke method named method in the callbacks on the given interface object.
Definition: hook.h:235
static struct spa_handle * spa_plugin_loader_load(struct spa_plugin_loader *loader, const char *factory_name, const struct spa_dict *info)
Definition: plugin-loader.h:60
static int spa_plugin_loader_unload(struct spa_plugin_loader *loader, struct spa_handle *handle)
Definition: plugin-loader.h:71
#define SPA_LIKELY(x)
Definition: defs.h:345
spa/utils/hook.h
Definition: utils/dict.h:39
Definition: plugin.h:30
Definition: hook.h:138
Definition: plugin-loader.h:36
int(* unload)(void *object, struct spa_handle *handle)
Unload a SPA plugin.
Definition: plugin-loader.h:56
uint32_t version
Definition: plugin-loader.h:39
Definition: plugin-loader.h:34
struct spa_interface iface
Definition: plugin-loader.h:34
spa/utils/dict.h