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101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
/* Simple Plugin API
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*
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* Copyright © 2021 Wim Taymans
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef SPA_PLUGIN_LOADER_H
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#define SPA_PLUGIN_LOADER_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <spa/utils/hook.h>
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#include <spa/utils/defs.h>
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/** \defgroup spa_plugin_loader Plugin Loader
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* SPA plugin loader
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*/
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/**
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* \addtogroup spa_plugin_loader
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* \{
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*/
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#define SPA_TYPE_INTERFACE_PluginLoader SPA_TYPE_INFO_INTERFACE_BASE "PluginLoader"
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#define SPA_VERSION_PLUGIN_LOADER 0
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struct spa_plugin_loader { struct spa_interface iface; };
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struct spa_plugin_loader_methods {
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#define SPA_VERSION_PLUGIN_LOADER_METHODS 0
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uint32_t version;
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/**
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* Load a SPA plugin.
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*
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* \param factory_name Plugin factory name
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* \param info Info dictionary for plugin. NULL if none.
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* \return plugin handle, or NULL on error
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*/
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struct spa_handle *(*load) (void *object, const char *factory_name, const struct spa_dict *info);
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/**
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* Unload a SPA plugin.
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*
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* \param handle Plugin handle.
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* \return 0 on success, < 0 on error
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*/
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int (*unload)(void *object, struct spa_handle *handle);
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};
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static inline struct spa_handle *
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spa_plugin_loader_load(struct spa_plugin_loader *loader, const char *factory_name, const struct spa_dict *info)
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{
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struct spa_handle *res = NULL;
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if (SPA_LIKELY(loader != NULL))
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spa_interface_call_res(&loader->iface,
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struct spa_plugin_loader_methods, res,
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load, 0, factory_name, info);
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return res;
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}
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static inline int
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spa_plugin_loader_unload(struct spa_plugin_loader *loader, struct spa_handle *handle)
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{
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int res = -1;
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if (SPA_LIKELY(loader != NULL))
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spa_interface_call_res(&loader->iface,
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struct spa_plugin_loader_methods, res,
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unload, 0, handle);
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return res;
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}
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/**
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* \}
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*/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* SPA_PLUGIN_LOADER_H */
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