control.c File Reference

Data Structures
struct	impl

Macros
#define	NAME   "control"

Functions
struct pw_control *	pw_control_new (struct pw_context *context, struct pw_impl_port *port, uint32_t id, uint32_t size, size_t user_data_size)
void	pw_control_destroy (struct pw_control *control)
struct pw_impl_port *	pw_control_get_port (struct pw_control *control)
	Get the control parent port or NULL when not set. More...
void	pw_control_add_listener (struct pw_control *control, struct spa_hook *listener, const struct pw_control_events *events, void *data)
	Add an event listener on the control. More...
int	pw_control_add_link (struct pw_control *control, uint32_t cmix, struct pw_control *other, uint32_t omix, struct pw_control_link *link)
int	pw_control_remove_link (struct pw_control_link *link)

Macro Definition Documentation

NAME

#define NAME   "control"

Function Documentation

pw_control_add_link()

int pw_control_add_link	(	struct pw_control *	control,
		uint32_t	cmix,
		struct pw_control *	other,
		uint32_t	omix,
		struct pw_control_link *	link
	)

References control::id, impl::mem, NAME, pw_log_debug, PW_MEMBLOCK_FLAG_MAP, PW_MEMBLOCK_FLAG_READWRITE, PW_MEMBLOCK_FLAG_SEAL, pw_mempool_alloc(), SPA_CONTAINER_OF, SPA_DATA_MemFd, spa_debug_type_find_name(), SPA_DIRECTION_INPUT, SPA_DIRECTION_OUTPUT, spa_list_is_empty, SPA_MAX, SPA_SWAP, and spa_type_io.

pw_control_destroy()

void pw_control_destroy

(

struct pw_control *

control

)

References control::link, impl::mem, NAME, pw_control_remove_link(), pw_log_debug, SPA_CONTAINER_OF, SPA_DIRECTION_OUTPUT, spa_hook_list_clean(), spa_list_consume, and spa_list_remove().

Referenced by pw_impl_port_destroy().

pw_control_new()

struct pw_control* pw_control_new	(	struct pw_context *	context,
		struct pw_impl_port *	port,
		uint32_t	id,
		uint32_t	size,
		size_t	user_data_size
	)

References NAME, pw_log_debug, spa_debug_type_find_name(), SPA_DIRECTION_INPUT, SPA_DIRECTION_OUTPUT, spa_hook_list_init(), SPA_IO_Control, SPA_IO_Notify, spa_list_append, spa_list_init(), SPA_PTROFF, spa_type_io, and impl::this.

pw_control_remove_link()

int pw_control_remove_link

(

struct pw_control_link *

link

)

References link::input, NAME, link::output, pw_log_debug, spa_list_is_empty, and spa_list_remove().

Referenced by pw_control_destroy().