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plugin-loader.h
Go to the documentation of this file.
/* Simple Plugin API */
/* SPDX-FileCopyrightText: Copyright © 2021 Wim Taymans */
/* SPDX-License-Identifier: MIT */
#ifndef SPA_PLUGIN_LOADER_H
#define SPA_PLUGIN_LOADER_H
#ifdef __cplusplus
extern "C" {
#endif
#include <spa/utils/hook.h>
#include <spa/utils/dict.h>
#define SPA_TYPE_INTERFACE_PluginLoader SPA_TYPE_INFO_INTERFACE_BASE "PluginLoader"
#define SPA_VERSION_PLUGIN_LOADER 0
struct spa_plugin_loader { struct spa_interface iface; };
struct spa_plugin_loader_methods {
#define SPA_VERSION_PLUGIN_LOADER_METHODS 0
uint32_t version;
struct spa_handle *(*load) (void *object, const char *factory_name, const struct spa_dict *info);
int (*unload)(void *object, struct spa_handle *handle);
};
static inline struct spa_handle *
spa_plugin_loader_load(struct spa_plugin_loader *loader, const char *factory_name, const struct spa_dict *info)
{
struct spa_handle *res = NULL;
if (SPA_LIKELY(loader != NULL))
spa_interface_call_res(&loader->iface,
struct spa_plugin_loader_methods, res,
load, 0, factory_name, info);
return res;
}
static inline int
spa_plugin_loader_unload(struct spa_plugin_loader *loader, struct spa_handle *handle)
{
int res = -1;
if (SPA_LIKELY(loader != NULL))
spa_interface_call_res(&loader->iface,
struct spa_plugin_loader_methods, res,
unload, 0, handle);
return res;
}
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* SPA_PLUGIN_LOADER_H */
spa_interface_call_res
#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:251
spa_plugin_loader_load
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
spa_plugin_loader_unload
static int spa_plugin_loader_unload(struct spa_plugin_loader *loader, struct spa_handle *handle)
Definition plugin-loader.h:71
SPA_LIKELY
#define SPA_LIKELY(x)
Definition defs.h:349
hook.h
spa/utils/hook.h
spa_dict
Definition dict.h:39
spa_handle
Definition plugin.h:30
spa_interface
Definition hook.h:138
spa_plugin_loader_methods
Definition plugin-loader.h:36
spa_plugin_loader_methods::unload
int(* unload)(void *object, struct spa_handle *handle)
Unload a SPA plugin.
Definition plugin-loader.h:56
spa_plugin_loader_methods::version
uint32_t version
Definition plugin-loader.h:39
spa_plugin_loader
Definition plugin-loader.h:34
spa_plugin_loader::iface
struct spa_interface iface
Definition plugin-loader.h:34
dict.h
spa/utils/dict.h