PipeWire  0.3.45
impl-node.h
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24 
25 #ifndef PIPEWIRE_IMPL_NODE_H
26 #define PIPEWIRE_IMPL_NODE_H
27 
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31 
42 struct pw_impl_node;
43 struct pw_impl_port;
44 
45 #include <spa/node/node.h>
46 #include <spa/node/event.h>
47 
48 #include <pipewire/impl.h>
49 
51 struct pw_impl_node_events {
52 #define PW_VERSION_IMPL_NODE_EVENTS 0
53  uint32_t version;
54 
56  void (*destroy) (void *data);
58  void (*free) (void *data);
60  void (*initialized) (void *data);
61 
63  void (*port_init) (void *data, struct pw_impl_port *port);
65  void (*port_added) (void *data, struct pw_impl_port *port);
67  void (*port_removed) (void *data, struct pw_impl_port *port);
68 
70  void (*info_changed) (void *data, const struct pw_node_info *info);
72  void (*port_info_changed) (void *data, struct pw_impl_port *port,
73  const struct pw_port_info *info);
75  void (*active_changed) (void *data, bool active);
76 
78  void (*state_request) (void *data, enum pw_node_state state);
80  void (*state_changed) (void *data, enum pw_node_state old,
81  enum pw_node_state state, const char *error);
82 
84  void (*result) (void *data, int seq, int res, uint32_t type, const void *result);
85 
87  void (*event) (void *data, const struct spa_event *event);
88 
90  void (*driver_changed) (void *data, struct pw_impl_node *old, struct pw_impl_node *driver);
91 
93  void (*peer_added) (void *data, struct pw_impl_node *peer);
95  void (*peer_removed) (void *data, struct pw_impl_node *peer);
96 };
97 
99 struct pw_impl_node *
101  struct pw_properties *properties,
102  size_t user_data_size );
103 
105 int pw_impl_node_register(struct pw_impl_node *node,
106  struct pw_properties *properties );
107 
109 void pw_impl_node_destroy(struct pw_impl_node *node);
110 
112 const struct pw_node_info *pw_impl_node_get_info(struct pw_impl_node *node);
113 
115 void * pw_impl_node_get_user_data(struct pw_impl_node *node);
116 
118 struct pw_context *pw_impl_node_get_context(struct pw_impl_node *node);
119 
121 struct pw_global *pw_impl_node_get_global(struct pw_impl_node *node);
122 
124 const struct pw_properties *pw_impl_node_get_properties(struct pw_impl_node *node);
125 
127 int pw_impl_node_update_properties(struct pw_impl_node *node, const struct spa_dict *dict);
128 
131 
134 
136 void pw_impl_node_add_listener(struct pw_impl_node *node,
137  struct spa_hook *listener,
138  const struct pw_impl_node_events *events,
139  void *data);
140 
146  enum pw_direction direction,
147  int (*callback) (void *data, struct pw_impl_port *port),
148  void *data);
149 
151  int seq, uint32_t param_id,
152  uint32_t index, uint32_t max,
153  const struct spa_pod *filter,
154  int (*callback) (void *data, int seq,
155  uint32_t id, uint32_t index, uint32_t next,
156  struct spa_pod *param),
157  void *data);
158 
161 struct pw_impl_port *
162 pw_impl_node_find_port(struct pw_impl_node *node, enum pw_direction direction, uint32_t port_id);
163 
165 uint32_t pw_impl_node_get_free_port_id(struct pw_impl_node *node, enum pw_direction direction);
166 
167 int pw_impl_node_initialized(struct pw_impl_node *node);
168 
171 int pw_impl_node_set_active(struct pw_impl_node *node, bool active);
172 
174 bool pw_impl_node_is_active(struct pw_impl_node *node);
175 
177 int pw_impl_node_send_command(struct pw_impl_node *node, const struct spa_command *command);
182 #ifdef __cplusplus
183 }
184 #endif
185 
186 #endif /* PIPEWIRE_IMPL_NODE_H */
int pw_impl_node_initialized(struct pw_impl_node *node)
Definition: impl-node.c:762
struct pw_impl_node * pw_context_create_node(struct pw_context *context, struct pw_properties *properties, size_t user_data_size)
Create a new node.
Definition: impl-node.c:1180
const struct pw_node_info * pw_impl_node_get_info(struct pw_impl_node *node)
Get the node info.
Definition: impl-node.c:1299
int pw_impl_node_set_implementation(struct pw_impl_node *node, struct spa_node *spa_node)
Set the node implementation.
Definition: impl-node.c:1760
void pw_impl_node_add_listener(struct pw_impl_node *node, struct spa_hook *listener, const struct pw_impl_node_events *events, void *data)
Add an event listener.
Definition: impl-node.c:1789
const struct pw_properties * pw_impl_node_get_properties(struct pw_impl_node *node)
Get the node properties.
Definition: impl-node.c:1323
int pw_impl_node_send_command(struct pw_impl_node *node, const struct spa_command *command)
Check if a node is active, Since 0.3.39.
Definition: impl-node.c:2236
bool pw_impl_node_is_active(struct pw_impl_node *node)
Check if a node is active.
Definition: impl-node.c:2230
int pw_impl_node_register(struct pw_impl_node *node, struct pw_properties *properties)
Complete initialization of the node and register.
Definition: impl-node.c:682
int pw_impl_node_update_properties(struct pw_impl_node *node, const struct spa_dict *dict)
Update the node properties.
Definition: impl-node.c:1354
struct pw_impl_port * pw_impl_node_find_port(struct pw_impl_node *node, enum pw_direction direction, uint32_t port_id)
Find the port with direction and port_id or NULL when not found.
Definition: impl-node.c:2030
int pw_impl_node_set_active(struct pw_impl_node *node, bool active)
Set a node active.
Definition: impl-node.c:2212
struct pw_context * pw_impl_node_get_context(struct pw_impl_node *node)
Get the context of this node.
Definition: impl-node.c:1311
void pw_impl_node_destroy(struct pw_impl_node *node)
Destroy a node.
Definition: impl-node.c:1804
void * pw_impl_node_get_user_data(struct pw_impl_node *node)
Get node user_data.
Definition: impl-node.c:1305
struct spa_node * pw_impl_node_get_implementation(struct pw_impl_node *node)
Get the node implementation.
Definition: impl-node.c:1783
struct pw_global * pw_impl_node_get_global(struct pw_impl_node *node)
Get the global of this node.
Definition: impl-node.c:1317
uint32_t pw_impl_node_get_free_port_id(struct pw_impl_node *node, enum pw_direction direction)
Get a free unused port_id from the node.
Definition: impl-node.c:2065
int pw_impl_node_for_each_port(struct pw_impl_node *node, enum pw_direction direction, int(*callback)(void *data, struct pw_impl_port *port), void *data)
Iterate the ports in the given direction.
Definition: impl-node.c:1886
int pw_impl_node_for_each_param(struct pw_impl_node *node, int seq, uint32_t param_id, uint32_t index, uint32_t max, const struct spa_pod *filter, int(*callback)(void *data, int seq, uint32_t id, uint32_t index, uint32_t next, struct spa_pod *param), void *data)
Definition: impl-node.c:1941
pw_node_state
The different node states.
Definition: node.h:63
#define pw_direction
The direction of a port.
Definition: port.h:63
pipewire/impl.h
spa/node/event.h
spa/node/node.h
Definition: context.h:67
Node events, listen to them with pw_impl_node_add_listener.
Definition: impl-node.h:57
void(* peer_removed)(void *data, struct pw_impl_node *peer)
a peer was removed
Definition: impl-node.h:102
void(* state_request)(void *data, enum pw_node_state state)
a new state is requested on the node
Definition: impl-node.h:85
void(* destroy)(void *data)
the node is destroyed
Definition: impl-node.h:63
void(* port_init)(void *data, struct pw_impl_port *port)
a port is being initialized on the node
Definition: impl-node.h:70
void(* peer_added)(void *data, struct pw_impl_node *peer)
a peer was added
Definition: impl-node.h:100
void(* result)(void *data, int seq, int res, uint32_t type, const void *result)
a result was received
Definition: impl-node.h:91
uint32_t version
Definition: impl-node.h:60
void(* free)(void *data)
the node is about to be freed
Definition: impl-node.h:65
void(* port_info_changed)(void *data, struct pw_impl_port *port, const struct pw_port_info *info)
a port on the node changed info
Definition: impl-node.h:79
void(* active_changed)(void *data, bool active)
the node active state changed
Definition: impl-node.h:82
void(* port_removed)(void *data, struct pw_impl_port *port)
a port was removed
Definition: impl-node.h:74
void(* event)(void *data, const struct spa_event *event)
an event is emitted
Definition: impl-node.h:94
void(* info_changed)(void *data, const struct pw_node_info *info)
the node info changed
Definition: impl-node.h:77
void(* port_added)(void *data, struct pw_impl_port *port)
a port was added
Definition: impl-node.h:72
void(* initialized)(void *data)
the node is initialized
Definition: impl-node.h:67
void(* driver_changed)(void *data, struct pw_impl_node *old, struct pw_impl_node *driver)
the driver of the node changed
Definition: impl-node.h:97
void(* state_changed)(void *data, enum pw_node_state old, enum pw_node_state state, const char *error)
the state of the node changed
Definition: impl-node.h:87
Definition: impl.h:47
The node information.
Definition: node.h:77
Definition: port.h:72
Definition: properties.h:53
struct spa_dict dict
dictionary of key/values
Definition: properties.h:54
Definition: command.h:49
Definition: dict.h:59
Definition: event.h:48
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:342
Definition: node.h:61
Definition: pod.h:63