impl-link.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_IMPL_LINK_H
#define PIPEWIRE_IMPL_LINK_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct pw_impl_link;
struct pw_impl_port;
 
#include <pipewire/impl.h>
 
struct pw_impl_link_events {
#define PW_VERSION_IMPL_LINK_EVENTS     0
        uint32_t version;
 
        void (*destroy) (void *data);
 
        void (*free) (void *data);
 
        void (*initialized) (void *data);
 
        void (*info_changed) (void *data, const struct pw_link_info *info);
 
        void (*state_changed) (void *data, enum pw_link_state old,
                                           enum pw_link_state state, const char *error);
 
        void (*port_unlinked) (void *data, struct pw_impl_port *port);
};
 
 
struct pw_impl_link *
pw_context_create_link(struct pw_context *context,              
            struct pw_impl_port *output,                
            struct pw_impl_port *input,         
            struct spa_pod *format_filter,      
            struct pw_properties *properties    ,
            size_t user_data_size               );
 
void pw_impl_link_destroy(struct pw_impl_link *link);
 
void pw_impl_link_add_listener(struct pw_impl_link *link,
                          struct spa_hook *listener,
                          const struct pw_impl_link_events *events,
                          void *data);
 
int pw_impl_link_register(struct pw_impl_link *link,            
                     struct pw_properties *properties   );
 
struct pw_context *pw_impl_link_get_context(struct pw_impl_link *link);
 
void *pw_impl_link_get_user_data(struct pw_impl_link *link);
 
const struct pw_link_info *pw_impl_link_get_info(struct pw_impl_link *link);
 
struct pw_global *pw_impl_link_get_global(struct pw_impl_link *link);
 
struct pw_impl_port *pw_impl_link_get_output(struct pw_impl_link *link);
 
struct pw_impl_port *pw_impl_link_get_input(struct pw_impl_link *link);
 
struct pw_impl_link *pw_impl_link_find(struct pw_impl_port *output, struct pw_impl_port *input);
 
#ifdef __cplusplus
}
#endif
 
#endif /* PIPEWIRE_IMPL_LINK_H */