20 #ifndef __PIPEWIRE_NODE_H__ 21 #define __PIPEWIRE_NODE_H__ 27 #define PW_TYPE__Node PW_TYPE_OBJECT_BASE "Node" 28 #define PW_TYPE_NODE_BASE PW_TYPE__Node ":" 52 #define PW_VERSION_NODE_EVENTS 0 84 void (*
event) (
void *data,
const struct spa_event *
event);
91 void (*
reuse_buffer) (
void *data, uint32_t port_id, uint32_t buffer_id);
95 #define PW_NODE_PROP_MEDIA "pipewire.media" 97 #define PW_NODE_PROP_CATEGORY "pipewire.category" 100 #define PW_NODE_PROP_ROLE "pipewire.role" 102 #define PW_NODE_PROP_EXCLUSIVE "pipewire.exclusive" 104 #define PW_NODE_PROP_AUTOCONNECT "pipewire.autoconnect" 106 #define PW_NODE_PROP_TARGET_NODE "pipewire.target.node" 113 size_t user_data_size );
149 struct spa_hook *listener,
159 int (*callback) (
void *data,
struct pw_port *port),
164 uint32_t index, uint32_t max,
165 const struct spa_pod *filter,
166 int (*callback) (
void *data,
167 uint32_t
id, uint32_t index, uint32_t next,
168 struct spa_pod *param),
A collection of key/value pairs.
Definition: properties.h:38
void(* state_request)(void *data, enum pw_node_state state)
a new state is requested on the node
Definition: node.h:75
void(* port_removed)(void *data, struct pw_port *port)
a port was removed
Definition: node.h:65
struct pw_node * pw_node_new(struct pw_core *core, const char *name, struct pw_properties *properties, size_t user_data_size)
Create a new node.
Definition: node.c:396
int pw_node_set_active(struct pw_node *node, bool active)
Set a node active.
Definition: node.c:948
struct pw_port * pw_node_find_port(struct pw_node *node, enum pw_direction direction, uint32_t port_id)
Find the port with direction and port_id or NULL when not found.
Definition: node.c:717
void(* info_changed)(void *data, struct pw_node_info *info)
the node info changed
Definition: node.h:68
pw_node_state
The different node states.
Definition: introspect.h:33
int pw_node_register(struct pw_node *node, struct pw_client *owner, struct pw_global *parent, struct pw_properties *properties)
Complete initialization of the node and register.
Definition: node.c:329
bool pw_node_is_active(struct pw_node *node)
Check if a node is active.
Definition: node.c:966
struct spa_dict dict
Definition: properties.h:39
void * pw_node_get_user_data(struct pw_node *node)
Get node user_data.
Definition: node.c:458
bool pw_node_is_enabled(struct pw_node *node)
Check if a node is enabled.
Definition: node.c:991
void(* initialized)(void *data)
the node is initialized
Definition: node.h:60
enum pw_node_state state
the current state of the node
Definition: introspect.h:156
void(* need_input)(void *data)
the node wants input
Definition: node.h:87
void(* event)(void *data, const struct spa_event *event)
an event is emited
Definition: node.h:84
int pw_node_update_properties(struct pw_node *node, const struct spa_dict *dict)
Update the node properties.
Definition: node.c:478
void(* active_changed)(void *data, bool active)
the node active state changed
Definition: node.h:70
int pw_node_set_enabled(struct pw_node *node, bool enabled)
Set a node enabled.
Definition: node.c:971
int pw_node_for_each_param(struct pw_node *node, uint32_t param_id, uint32_t index, uint32_t max, const struct spa_pod *filter, int(*callback)(void *data, uint32_t id, uint32_t index, uint32_t next, struct spa_pod *param), void *data)
Definition: node.c:683
uint32_t pw_node_get_free_port_id(struct pw_node *node, enum pw_direction direction)
Get a free unused port_id from the node.
Definition: node.c:729
struct pw_core * pw_node_get_core(struct pw_node *node)
Get the core of this node.
Definition: node.c:463
void(* async_complete)(void *data, uint32_t seq, int res)
an async operation completed on the node
Definition: node.h:81
PipeWire client object class.
void(* have_output)(void *data)
the node has output
Definition: node.h:89
struct pw_global * pw_node_get_global(struct pw_node *node)
Get the global of this node.
Definition: node.c:468
uint32_t version
Definition: node.h:53
void(* port_added)(void *data, struct pw_port *port)
a port was added
Definition: node.h:63
int pw_node_for_each_port(struct pw_node *node, enum pw_direction direction, int(*callback)(void *data, struct pw_port *port), void *data)
Iterate the ports in the given direction.
Definition: node.c:663
void pw_node_destroy(struct pw_node *node)
Destroy a node.
Definition: node.c:610
void(* free)(void *data)
the node is about to be freed
Definition: node.h:58
A global object visible to remote clients.
void pw_node_set_implementation(struct pw_node *node, struct spa_node *spa_node)
Set the node implementation.
Definition: node.c:565
const struct pw_node_info * pw_node_get_info(struct pw_node *node)
Get the node info.
Definition: node.c:453
const struct pw_properties * pw_node_get_properties(struct pw_node *node)
Get the node properties.
Definition: node.c:473
struct pw_port * pw_node_get_free_port(struct pw_node *node, enum pw_direction direction)
pw_node_get_free_port:
Definition: node.c:747
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: node.h:77
void pw_node_add_listener(struct pw_node *node, struct spa_hook *listener, const struct pw_node_events *events, void *data)
Add an event listener.
Definition: node.c:581
void(* destroy)(void *data)
the node is destroyed
Definition: node.h:56
void(* enabled_changed)(void *data, bool enabled)
the node enabled state changed
Definition: node.h:72
void(* reuse_buffer)(void *data, uint32_t port_id, uint32_t buffer_id)
the node has a buffer to reuse
Definition: node.h:91
The node information.
Definition: introspect.h:142
struct spa_node * pw_node_get_implementation(struct pw_node *node)
Get the node implementation.
Definition: node.c:576
pw_direction
The direction of a port.
Definition: introspect.h:47
Node events, listen to them with pw_node_add_listener.
Definition: node.h:51
const char * error
an error reason if state is error
Definition: introspect.h:157