impl-node.c File Reference

Data Structures
struct	result_node_params_data

Macros
#define	NAME   "node"
#define	DEFAULT_SYNC_TIMEOUT   ((uint64_t)(5 * SPA_NSEC_PER_SEC))
#define	SYNC_CHECK   0
#define	SYNC_START   1
#define	SYNC_STOP   2

Functions
int	pw_impl_node_register (struct pw_impl_node *this, struct pw_properties *properties)
	Complete initialization of the node and register. More...
int	pw_impl_node_initialized (struct pw_impl_node *this)
int	pw_impl_node_set_driver (struct pw_impl_node *node, struct pw_impl_node *driver)
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. More...
const struct pw_node_info *	pw_impl_node_get_info (struct pw_impl_node *node)
	Get the node info. More...
void *	pw_impl_node_get_user_data (struct pw_impl_node *node)
	Get node user_data. More...
struct pw_context *	pw_impl_node_get_context (struct pw_impl_node *node)
	Get the context of this node. More...
struct pw_global *	pw_impl_node_get_global (struct pw_impl_node *node)
	Get the global of this node. More...
const struct pw_properties *	pw_impl_node_get_properties (struct pw_impl_node *node)
	Get the node properties. More...
int	pw_impl_node_update_properties (struct pw_impl_node *node, const struct spa_dict *dict)
	Update the node properties. More...
int	pw_impl_node_set_implementation (struct pw_impl_node *node, struct spa_node *spa_node)
	Set the node implementation. More...
struct spa_node *	pw_impl_node_get_implementation (struct pw_impl_node *node)
	Get the node implementation. More...
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. More...
void	pw_impl_node_destroy (struct pw_impl_node *node)
	Destroy a node. More...
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. More...
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)
int	pw_impl_node_set_param (struct pw_impl_node *node, uint32_t id, uint32_t flags, const struct spa_pod *param)
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. More...
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. More...
int	pw_impl_node_set_state (struct pw_impl_node *node, enum pw_node_state state)
	Set the node state. More...
int	pw_impl_node_set_active (struct pw_impl_node *node, bool active)
	Set a node active. More...
bool	pw_impl_node_is_active (struct pw_impl_node *node)
	Check if a node is active. More...

Macro Definition Documentation

DEFAULT_SYNC_TIMEOUT

#define DEFAULT_SYNC_TIMEOUT   ((uint64_t)(5 * SPA_NSEC_PER_SEC))

NAME

#define NAME   "node"

SYNC_CHECK

#define SYNC_CHECK   0

SYNC_START

#define SYNC_START   1

SYNC_STOP

#define SYNC_STOP   2

Function Documentation

pw_impl_node_set_driver()

int pw_impl_node_set_driver	(	struct pw_impl_node *	node,
		struct pw_impl_node *	driver
	)

References SPA_CONTAINER_OF, spa_list_append, and spa_list_remove().

pw_impl_node_set_param()

int pw_impl_node_set_param	(	struct pw_impl_node *	node,
		uint32_t	id,
		uint32_t	flags,
		const struct spa_pod *	param
	)

References NAME, node::node, pw_log_debug, spa_debug_type_find_name(), spa_node_set_param, and spa_type_param.

pw_impl_node_set_state()

int pw_impl_node_set_state	(	struct pw_impl_node *	node,
		enum pw_node_state	state
	)

Set the node state.

Parameters

node	a Node
state	a pw_node_state

Returns

0 on success < 0 on error

Set the state of node to state.

References node::active, NAME, pw_log_debug, pw_node_state_as_string(), PW_NODE_STATE_CREATING, PW_NODE_STATE_SUSPENDED, and SPA_CONTAINER_OF.