PipeWire  0.3.26
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
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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
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14  * Software.
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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,
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24 
25 #ifndef PIPEWIRE_IMPL_LINK_H
26 #define PIPEWIRE_IMPL_LINK_H
27 
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31 
36 struct pw_impl_link;
37 struct pw_impl_port;
38 
39 #include <pipewire/impl.h>
40 
54 #define PW_VERSION_IMPL_LINK_EVENTS 0
55  uint32_t version;
56 
58  void (*destroy) (void *data);
59 
61  void (*free) (void *data);
62 
64  void (*initialized) (void *data);
65 
67  void (*info_changed) (void *data, const struct pw_link_info *info);
68 
71  void (*state_changed) (void *data, enum pw_link_state old,
72  enum pw_link_state state, const char *error);
73 
75  void (*port_unlinked) (void *data, struct pw_impl_port *port);
76 };
77 
78 
81 struct pw_impl_link *
82 pw_context_create_link(struct pw_context *context,
83  struct pw_impl_port *output,
84  struct pw_impl_port *input,
85  struct spa_pod *format_filter,
86  struct pw_properties *properties ,
87  size_t user_data_size );
88 
90 void pw_impl_link_destroy(struct pw_impl_link *link);
91 
93 void pw_impl_link_add_listener(struct pw_impl_link *link,
94  struct spa_hook *listener,
95  const struct pw_impl_link_events *events,
96  void *data);
97 
99 int pw_impl_link_register(struct pw_impl_link *link,
100  struct pw_properties *properties );
101 
103 struct pw_context *pw_impl_link_get_context(struct pw_impl_link *link);
104 
107 void *pw_impl_link_get_user_data(struct pw_impl_link *link);
108 
110 const struct pw_link_info *pw_impl_link_get_info(struct pw_impl_link *link);
111 
113 struct pw_global *pw_impl_link_get_global(struct pw_impl_link *link);
114 
117 
119 struct pw_impl_port *pw_impl_link_get_input(struct pw_impl_link *link);
120 
122 struct pw_impl_link *pw_impl_link_find(struct pw_impl_port *output, struct pw_impl_port *input);
123 
124 #ifdef __cplusplus
125 }
126 #endif
127 
128 #endif /* PIPEWIRE_IMPL_LINK_H */
the PipeWire context
A global object visible to remote clients.
The port object.
Definition: filter.c:74
Definition: buffers.c:44
A collection of key/value pairs.
Definition: properties.h:45