The device is an object that manages nodes. More...

Files
file	impl-device.h
	`pipewire/impl-device.h`

Data Structures
struct	pw_impl_device_events
	Device events, listen to them with pw_impl_device_add_listener. More...

struct	pw_impl_device

Macros
#define	PW_VERSION_IMPL_DEVICE_EVENTS 0

Functions
struct pw_impl_device *	pw_context_create_device (struct pw_context context, struct pw_properties properties, size_t user_data_size)

int	pw_impl_device_register (struct pw_impl_device device, struct pw_properties properties)

void	pw_impl_device_destroy (struct pw_impl_device *device)

void *	pw_impl_device_get_user_data (struct pw_impl_device *device)

int	pw_impl_device_set_implementation (struct pw_impl_device device, struct spa_device spa_device)
	Set the device implementation. More...

struct spa_device *	pw_impl_device_get_implementation (struct pw_impl_device *device)
	Get the device implementation. More...

struct pw_global *	pw_impl_device_get_global (struct pw_impl_device *device)
	Get the global of this device. More...

void	pw_impl_device_add_listener (struct pw_impl_device device, struct spa_hook listener, const struct pw_impl_device_events events, void data)
	Add an event listener. More...

int	pw_impl_device_update_properties (struct pw_impl_device device, const struct spa_dict dict)

const struct pw_properties *	pw_impl_device_get_properties (struct pw_impl_device *device)

int	pw_impl_device_for_each_param (struct pw_impl_device device, 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)

Detailed Description

The device is an object that manages nodes.

It typically corresponds to a physical hardware device but it does not have to be.

The purpose of the device is to provide an interface to dynamically create/remove/configure the nodes it manages.

Macro Definition Documentation

◆ PW_VERSION_IMPL_DEVICE_EVENTS

#define PW_VERSION_IMPL_DEVICE_EVENTS 0

Function Documentation

◆ pw_context_create_device()

struct pw_impl_device* pw_context_create_device	(	struct pw_context *	context,
		struct pw_properties *	properties,
		size_t	user_data_size
	)

◆ pw_impl_device_register()

int pw_impl_device_register	(	struct pw_impl_device *	device,
		struct pw_properties *	properties
	)

◆ pw_impl_device_destroy()

void pw_impl_device_destroy ( struct pw_impl_device * device )

◆ pw_impl_device_get_user_data()

void* pw_impl_device_get_user_data ( struct pw_impl_device * device )

◆ pw_impl_device_set_implementation()

int pw_impl_device_set_implementation	(	struct pw_impl_device *	device,
		struct spa_device *	spa_device
	)

Set the device implementation.

◆ pw_impl_device_get_implementation()

struct spa_device* pw_impl_device_get_implementation ( struct pw_impl_device * device )

Get the device implementation.

Examples: export-spa-device.c.

◆ pw_impl_device_get_global()

struct pw_global* pw_impl_device_get_global ( struct pw_impl_device * device )

Get the global of this device.

◆ pw_impl_device_add_listener()

void pw_impl_device_add_listener	(	struct pw_impl_device *	device,
		struct spa_hook *	listener,
		const struct pw_impl_device_events *	events,
		void *	data
	)

Add an event listener.

◆ pw_impl_device_update_properties()

int pw_impl_device_update_properties	(	struct pw_impl_device *	device,
		const struct spa_dict *	dict
	)

◆ pw_impl_device_get_properties()

const struct pw_properties* pw_impl_device_get_properties ( struct pw_impl_device * device )

◆ pw_impl_device_for_each_param()

int pw_impl_device_for_each_param	(	struct pw_impl_device *	device,
		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
	)

Files

Data Structures

Macros

Functions