context.h

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/* 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_CONTEXT_H
#define PIPEWIRE_CONTEXT_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <spa/utils/defs.h>
#include <spa/utils/hook.h>
 
struct pw_context;
 
struct pw_global;
struct pw_impl_client;
 
#include <pipewire/core.h>
#include <pipewire/loop.h>
#include <pipewire/properties.h>
 
struct pw_context_events {
#define PW_VERSION_CONTEXT_EVENTS       0
        uint32_t version;
 
        void (*destroy) (void *data);
        void (*free) (void *data);
        void (*check_access) (void *data, struct pw_impl_client *client);
        void (*global_added) (void *data, struct pw_global *global);
        void (*global_removed) (void *data, struct pw_global *global);
};
 
struct pw_context * pw_context_new(struct pw_loop *main_loop,           
                             struct pw_properties *props,       
                             size_t user_data_size              );
 
void pw_context_destroy(struct pw_context *context);
 
void *pw_context_get_user_data(struct pw_context *context);
 
void pw_context_add_listener(struct pw_context *context,
                          struct spa_hook *listener,
                          const struct pw_context_events *events,
                          void *data);
 
const struct pw_properties *pw_context_get_properties(struct pw_context *context);
 
int pw_context_update_properties(struct pw_context *context, const struct spa_dict *dict);
 
const char *pw_context_get_conf_section(struct pw_context *context, const char *section);
int pw_context_parse_conf_section(struct pw_context *context,
                struct pw_properties *conf, const char *section);
 
int pw_context_conf_update_props(struct pw_context *context, const char *section,
                struct pw_properties *props);
int pw_context_conf_section_for_each(struct pw_context *context, const char *section,
                int (*callback) (void *data, const char *location, const char *section,
                        const char *str, size_t len),
                void *data);
int pw_context_conf_section_match_rules(struct pw_context *context, const char *section,
                struct spa_dict *props,
                int (*callback) (void *data, const char *location, const char *action,
                        const char *str, size_t len),
                void *data);
 
const struct spa_support *pw_context_get_support(struct pw_context *context, uint32_t *n_support);
 
struct pw_loop *pw_context_get_main_loop(struct pw_context *context);
 
struct pw_work_queue *pw_context_get_work_queue(struct pw_context *context);
 
int pw_context_for_each_global(struct pw_context *context,
                            int (*callback) (void *data, struct pw_global *global),
                            void *data);
 
struct pw_global *pw_context_find_global(struct pw_context *context,    
                                      uint32_t id               );
 
int pw_context_add_spa_lib(struct pw_context *context, const char *factory_regex, const char *lib);
 
const char * pw_context_find_spa_lib(struct pw_context *context, const char *factory_name);
 
struct spa_handle *pw_context_load_spa_handle(struct pw_context *context,
                const char *factory_name,
                const struct spa_dict *info);
 
 
struct pw_export_type {
        struct spa_list link;
        const char *type;
        struct pw_proxy * (*func) (struct pw_core *core,
                const char *type, const struct spa_dict *props, void *object,
                size_t user_data_size);
};
 
int pw_context_register_export_type(struct pw_context *context, struct pw_export_type *type);
const struct pw_export_type *pw_context_find_export_type(struct pw_context *context, const char *type);
 
int pw_context_set_object(struct pw_context *context, const char *type, void *value);
void *pw_context_get_object(struct pw_context *context, const char *type);
 
#ifdef __cplusplus
}
#endif
 
#endif /* PIPEWIRE_CONTEXT_H */