PipeWire 0.3.36
impl-link.h
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1/* PipeWire
2 *
3 * Copyright © 2018 Wim Taymans
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 */
24
25#ifndef PIPEWIRE_IMPL_LINK_H
26#define PIPEWIRE_IMPL_LINK_H
27
28#ifdef __cplusplus
29extern "C" {
30#endif
31
41struct pw_impl_link;
42struct pw_impl_port;
43
44#include <pipewire/impl.h>
45
48#define PW_VERSION_IMPL_LINK_EVENTS 0
49 uint32_t version;
50
52 void (*destroy) (void *data);
53
55 void (*free) (void *data);
56
58 void (*initialized) (void *data);
59
61 void (*info_changed) (void *data, const struct pw_link_info *info);
62
65 void (*state_changed) (void *data, enum pw_link_state old,
66 enum pw_link_state state, const char *error);
67
69 void (*port_unlinked) (void *data, struct pw_impl_port *port);
70};
71
72
75struct pw_impl_link *
76pw_context_create_link(struct pw_context *context,
77 struct pw_impl_port *output,
78 struct pw_impl_port *input,
79 struct spa_pod *format_filter,
80 struct pw_properties *properties ,
81 size_t user_data_size );
82
84void pw_impl_link_destroy(struct pw_impl_link *link);
85
87void pw_impl_link_add_listener(struct pw_impl_link *link,
88 struct spa_hook *listener,
89 const struct pw_impl_link_events *events,
90 void *data);
91
93int pw_impl_link_register(struct pw_impl_link *link,
94 struct pw_properties *properties );
95
97struct pw_context *pw_impl_link_get_context(struct pw_impl_link *link);
98
101void *pw_impl_link_get_user_data(struct pw_impl_link *link);
102
104const struct pw_link_info *pw_impl_link_get_info(struct pw_impl_link *link);
105
107struct pw_global *pw_impl_link_get_global(struct pw_impl_link *link);
108
110struct pw_impl_port *pw_impl_link_get_output(struct pw_impl_link *link);
111
113struct pw_impl_port *pw_impl_link_get_input(struct pw_impl_link *link);
114
116struct pw_impl_link *pw_impl_link_find(struct pw_impl_port *output, struct pw_impl_port *input);
117
122#ifdef __cplusplus
123}
124#endif
125
126#endif /* PIPEWIRE_IMPL_LINK_H */
user data to add to an object
Definition: media-session.c:110
Definition: module-filter-chain.c:144
Definition: properties.h:49
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:295
Definition: pod/pod.h:50