pipewire/src/pipewire/impl-factory.h

132 lines
4.1 KiB
C

/* PipeWire
*
* Copyright © 2018 Wim Taymans
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef PIPEWIRE_IMPL_FACTORY_H
#define PIPEWIRE_IMPL_FACTORY_H
#ifdef __cplusplus
extern "C" {
#endif
/** \defgroup pw_impl_factory PipeWire Factory Interface
*
* The factory is used to make objects on demand.
*/
/**
* \addtogroup pw_impl_factory
* \{
*/
struct pw_impl_factory;
#include <pipewire/context.h>
#include <pipewire/impl-client.h>
#include <pipewire/global.h>
#include <pipewire/properties.h>
#include <pipewire/resource.h>
/** Factory events, listen to them with \ref pw_impl_factory_add_listener */
struct pw_impl_factory_events {
#define PW_VERSION_IMPL_FACTORY_EVENTS 0
uint32_t version;
/** the factory is destroyed */
void (*destroy) (void *data);
/** the factory is freed */
void (*free) (void *data);
/** the factory is initialized */
void (*initialized) (void *data);
};
struct pw_impl_factory_implementation {
#define PW_VERSION_IMPL_FACTORY_IMPLEMENTATION 0
uint32_t version;
/** The function to create an object from this factory */
void *(*create_object) (void *data,
struct pw_resource *resource,
const char *type,
uint32_t version,
struct pw_properties *properties,
uint32_t new_id);
};
struct pw_impl_factory *pw_context_create_factory(struct pw_context *context,
const char *name,
const char *type,
uint32_t version,
struct pw_properties *properties,
size_t user_data_size);
/** Get the factory properties */
const struct pw_properties *pw_impl_factory_get_properties(struct pw_impl_factory *factory);
/** Get the factory info */
const struct pw_factory_info *pw_impl_factory_get_info(struct pw_impl_factory *factory);
/** Update the factory properties */
int pw_impl_factory_update_properties(struct pw_impl_factory *factory, const struct spa_dict *dict);
int pw_impl_factory_register(struct pw_impl_factory *factory,
struct pw_properties *properties);
void pw_impl_factory_destroy(struct pw_impl_factory *factory);
void *pw_impl_factory_get_user_data(struct pw_impl_factory *factory);
/** Get the global of this factory */
struct pw_global *pw_impl_factory_get_global(struct pw_impl_factory *factory);
/** Add an event listener */
void pw_impl_factory_add_listener(struct pw_impl_factory *factory,
struct spa_hook *listener,
const struct pw_impl_factory_events *events,
void *data);
void pw_impl_factory_set_implementation(struct pw_impl_factory *factory,
const struct pw_impl_factory_implementation *implementation,
void *data);
void *pw_impl_factory_create_object(struct pw_impl_factory *factory,
struct pw_resource *resource,
const char *type,
uint32_t version,
struct pw_properties *properties,
uint32_t new_id);
/** Find a factory by name */
struct pw_impl_factory *
pw_context_find_factory(struct pw_context *context /**< the context */,
const char *name /**< the factory name */);
/**
* \}
*/
#ifdef __cplusplus
}
#endif
#endif /* PIPEWIRE_IMPL_FACTORY_H */