impl-port.c File Reference

Data Structures
struct	result_port_params_data
struct	param_filter

Macros
#define	NAME   "port"

Functions
void	pw_impl_port_update_state (struct pw_impl_port *port, enum pw_impl_port_state state, int res, char *error)
int	pw_impl_port_init_mix (struct pw_impl_port *port, struct pw_impl_port_mix *mix)
int	pw_impl_port_release_mix (struct pw_impl_port *port, struct pw_impl_port_mix *mix)
struct pw_impl_port *	pw_context_create_port (struct pw_context *context, enum pw_direction direction, uint32_t port_id, const struct spa_port_info *info, size_t user_data_size)
	Create a new port. More...
int	pw_impl_port_set_mix (struct pw_impl_port *port, struct spa_node *node, uint32_t flags)
enum pw_direction	pw_impl_port_get_direction (struct pw_impl_port *port)
	Get the port direction. More...
uint32_t	pw_impl_port_get_id (struct pw_impl_port *port)
	Get the port id. More...
const struct pw_properties *	pw_impl_port_get_properties (struct pw_impl_port *port)
	Get the port properties. More...
int	pw_impl_port_update_properties (struct pw_impl_port *port, const struct spa_dict *dict)
	Update the port properties. More...
void	pw_impl_port_update_info (struct pw_impl_port *port, const struct spa_port_info *info)
struct pw_impl_node *	pw_impl_port_get_node (struct pw_impl_port *port)
	Get the port parent node or NULL when not yet set. More...
void	pw_impl_port_add_listener (struct pw_impl_port *port, struct spa_hook *listener, const struct pw_impl_port_events *events, void *data)
	Add an event listener on the port. More...
const struct pw_port_info *	pw_impl_port_get_info (struct pw_impl_port *port)
	Get the port info. More...
void *	pw_impl_port_get_user_data (struct pw_impl_port *port)
int	pw_impl_port_register (struct pw_impl_port *port, struct pw_properties *properties)
int	pw_impl_port_add (struct pw_impl_port *port, struct pw_impl_node *node)
	Add a port to a node. More...
void	pw_impl_port_unlink (struct pw_impl_port *port)
void	pw_impl_port_destroy (struct pw_impl_port *port)
int	pw_impl_port_for_each_param (struct pw_impl_port *port, 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_port_for_each_filtered_param (struct pw_impl_port *in_port, struct pw_impl_port *out_port, int seq, uint32_t in_param_id, uint32_t out_param_id, 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_port_for_each_link (struct pw_impl_port *port, int(*callback)(void *data, struct pw_impl_link *link), void *data)
int	pw_impl_port_recalc_latency (struct pw_impl_port *port)
int	pw_impl_port_is_linked (struct pw_impl_port *port)
	check is a port has links, return 0 if not, 1 if it is linked More...
int	pw_impl_port_set_param (struct pw_impl_port *port, uint32_t id, uint32_t flags, const struct spa_pod *param)
int	pw_impl_port_use_buffers (struct pw_impl_port *port, struct pw_impl_port_mix *mix, uint32_t flags, struct spa_buffer **buffers, uint32_t n_buffers)

Macro Definition Documentation

NAME

#define NAME   "port"

Function Documentation

pw_impl_port_destroy()

void pw_impl_port_destroy

(

struct pw_impl_port *

port

)

References NAME, pw_control_destroy(), pw_impl_port_unlink(), pw_log_debug, SPA_CONTAINER_OF, and spa_list_consume.

pw_impl_port_for_each_filtered_param()

int pw_impl_port_for_each_filtered_param	(	struct pw_impl_port *	in_port,
		struct pw_impl_port *	out_port,
		int	seq,
		uint32_t	in_param_id,
		uint32_t	out_param_id,
		const struct spa_pod *	filter,
		int(*)(void *data, int seq, uint32_t id, uint32_t index, uint32_t next, struct spa_pod *param)	callback,
		void *	data
	)

References param_filter::callback, param_filter::data, param_filter::in_param_id, param_filter::in_port, param_filter::out_param_id, param_filter::out_port, pw_impl_port_for_each_param(), and param_filter::seq.

pw_impl_port_for_each_link()

int pw_impl_port_for_each_link	(	struct pw_impl_port *	port,
		int(*)(void *data, struct pw_impl_link *link)	callback,
		void *	data
	)

References port::direction, PW_DIRECTION_OUTPUT, and spa_list_for_each_safe.

Referenced by pw_impl_port_unlink().

pw_impl_port_for_each_param()

int pw_impl_port_for_each_param	(	struct pw_impl_port *	port,
		int	seq,
		uint32_t	param_id,
		uint32_t	index,
		uint32_t	max,
		const struct spa_pod *	filter,
		int(*)(void *data, int seq, uint32_t id, uint32_t index, uint32_t next, struct spa_pod *param)	callback,
		void *	data
	)

References result_port_params_data::callback, result_port_params_data::data, result_port_params_data::impl, port::node, result_port_params_data::seq, and SPA_CONTAINER_OF.

Referenced by pw_impl_port_for_each_filtered_param().

pw_impl_port_get_user_data()

void* pw_impl_port_get_user_data

(

struct pw_impl_port *

port

)

References port::user_data.

pw_impl_port_init_mix()

int pw_impl_port_init_mix	(	struct pw_impl_port *	port,
		struct pw_impl_port_mix *	mix
	)

pw_impl_port_recalc_latency()

int pw_impl_port_recalc_latency

(

struct pw_impl_port *

port

)

References spa_latency_info::direction, port::direction, port::info, port::latency, spa_latency_info::max_ns, spa_latency_info::max_quantum, spa_latency_info::max_rate, spa_latency_info::min_ns, spa_latency_info::min_quantum, spa_latency_info::min_rate, pw_direction_as_string(), PW_DIRECTION_OUTPUT, pw_impl_port_set_param(), pw_log_debug, SPA_DIRECTION_REVERSE, spa_latency_build(), SPA_LATENCY_INFO, spa_latency_info_combine(), spa_latency_info_compare(), spa_list_for_each, SPA_PARAM_Latency, and spa_pod_builder_init().

pw_impl_port_register()

int pw_impl_port_register	(	struct pw_impl_port *	port,
		struct pw_properties *	properties
	)

References port::node, pw_global_new(), PW_KEY_AUDIO_CHANNEL, PW_KEY_FORMAT_DSP, PW_KEY_NODE_ID, PW_KEY_OBJECT_PATH, PW_KEY_PORT_ALIAS, PW_KEY_PORT_CONTROL, PW_KEY_PORT_DIRECTION, PW_KEY_PORT_EXTRA, PW_KEY_PORT_ID, PW_KEY_PORT_MONITOR, PW_KEY_PORT_NAME, PW_KEY_PORT_PHYSICAL, PW_KEY_PORT_TERMINAL, PW_TYPE_INTERFACE_Port, and PW_VERSION_PORT.

pw_impl_port_release_mix()

int pw_impl_port_release_mix	(	struct pw_impl_port *	port,
		struct pw_impl_port_mix *	mix
	)

pw_impl_port_set_mix()

int pw_impl_port_set_mix	(	struct pw_impl_port *	port,
		struct spa_node *	node,
		uint32_t	flags
	)

References port::direction, port::io, NAME, port::port, pw_direction_reverse(), pw_log_debug, pw_unload_spa_handle(), SPA_CONTAINER_OF, SPA_IO_Buffers, spa_list_for_each, spa_node_add_port, spa_node_port_set_io, and spa_node_remove_port.

pw_impl_port_set_param()

int pw_impl_port_set_param	(	struct pw_impl_port *	port,
		uint32_t	id,
		uint32_t	flags,
		const struct spa_pod *	param
	)

References port::direction, port::flags, NAME, node::node, port::node, port::port_id, PW_DIRECTION_INPUT, pw_log_debug, spa_debug_type_find_name(), SPA_FLAG_IS_SET, spa_node_port_set_param, SPA_PARAM_Format, spa_strerror, and spa_type_param.

Referenced by pw_impl_port_recalc_latency().

pw_impl_port_unlink()

void pw_impl_port_unlink

(

struct pw_impl_port *

port

)

References pw_impl_port_for_each_link().

Referenced by pw_impl_port_destroy().

pw_impl_port_update_info()

void pw_impl_port_update_info	(	struct pw_impl_port *	port,
		const struct spa_port_info *	info
	)

pw_impl_port_update_state()

void pw_impl_port_update_state	(	struct pw_impl_port *	port,
		enum pw_impl_port_state	state,
		int	res,
		char *	error
	)

References NAME, PW_IMPL_PORT_STATE_ERROR, pw_log, SPA_LOG_LEVEL_DEBUG, and SPA_LOG_LEVEL_ERROR.

Referenced by pw_impl_port_use_buffers().

pw_impl_port_use_buffers()

int pw_impl_port_use_buffers	(	struct pw_impl_port *	port,
		struct pw_impl_port_mix *	mix,
		uint32_t	flags,
		struct spa_buffer **	buffers,
		uint32_t	n_buffers
	)

References port::direction, NAME, port::port_id, PW_IMPL_PORT_STATE_READY, pw_impl_port_update_state(), and pw_log_debug.