plugin-loader.h

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/* 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>
 
#ifndef SPA_API_PLUGIN_LOADER
 #ifdef SPA_API_IMPL
  #define SPA_API_PLUGIN_LOADER SPA_API_IMPL
 #else
  #define SPA_API_PLUGIN_LOADER static inline
 #endif
#endif
 
#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);
};
 
SPA_API_PLUGIN_LOADER struct spa_handle *
spa_plugin_loader_load(struct spa_plugin_loader *loader, const char *factory_name, const struct spa_dict *info)
{
        return spa_api_method_null_r(struct spa_handle *, NULL, spa_plugin_loader, loader, &loader->iface,
                        load, 0, factory_name, info);
}
 
SPA_API_PLUGIN_LOADER int
spa_plugin_loader_unload(struct spa_plugin_loader *loader, struct spa_handle *handle)
{
        return spa_api_method_null_r(int, -1, spa_plugin_loader, loader, &loader->iface,
                        unload, 0, handle);
}
 
                        unload, 0, handle); {…}
#ifdef __cplusplus
}  /* extern "C" */
#endif
 
#endif /* SPA_PLUGIN_LOADER_H */
#ifdef __cplusplus {…}