Client

Client interface More...

Files
file	client.h
	pipewire/client.h

Data Structures
struct	pw_client_info
	The client information. More...
struct	pw_client_events
	Client events. More...
struct	pw_client_methods
	Client methods. More...
struct	pw_client

Macros
#define	PW_TYPE_INTERFACE_Client   PW_TYPE_INFO_INTERFACE_BASE "Client"
#define	PW_CLIENT_PERM_MASK   PW_PERM_RWXM
#define	PW_VERSION_CLIENT   3
#define	PW_ID_CLIENT   1
#define	PW_CLIENT_CHANGE_MASK_PROPS   (1 << 0)
#define	PW_CLIENT_CHANGE_MASK_ALL   ((1 << 1)-1)
#define	PW_CLIENT_EVENT_INFO   0
#define	PW_CLIENT_EVENT_PERMISSIONS   1
#define	PW_CLIENT_EVENT_NUM   2
#define	PW_VERSION_CLIENT_EVENTS   0
#define	PW_CLIENT_METHOD_ADD_LISTENER   0
#define	PW_CLIENT_METHOD_ERROR   1
#define	PW_CLIENT_METHOD_UPDATE_PROPERTIES   2
#define	PW_CLIENT_METHOD_GET_PERMISSIONS   3
#define	PW_CLIENT_METHOD_UPDATE_PERMISSIONS   4
#define	PW_CLIENT_METHOD_NUM   5
#define	PW_VERSION_CLIENT_METHODS   0
#define	pw_client_method(o, method, version, ...)
#define	pw_client_add_listener(c, ...)   pw_client_method(c,add_listener,0,__VA_ARGS__)
#define	pw_client_error(c, ...)   pw_client_method(c,error,0,__VA_ARGS__)
	Send an error to a client.
#define	pw_client_update_properties(c, ...)   pw_client_method(c,update_properties,0,__VA_ARGS__)
	Update client properties.
#define	pw_client_get_permissions(c, ...)   pw_client_method(c,get_permissions,0,__VA_ARGS__)
	Get client permissions.
#define	pw_client_update_permissions(c, ...)   pw_client_method(c,update_permissions,0,__VA_ARGS__)
	Manage the permissions of the global objects for this client.

Functions
struct pw_client_info *	pw_client_info_update (struct pw_client_info *info, const struct pw_client_info *update)
	Update an existing pw_client_info with update with reset.
struct pw_client_info *	pw_client_info_merge (struct pw_client_info *info, const struct pw_client_info *update, bool reset)
	Merge an existing pw_client_info with update.
void	pw_client_info_free (struct pw_client_info *info)
	Free a pw_client_info.

Detailed Description

Client interface

Macro Definition Documentation

PW_TYPE_INTERFACE_Client

#define PW_TYPE_INTERFACE_Client   PW_TYPE_INFO_INTERFACE_BASE "Client"

Examples

tutorial6.c.

PW_CLIENT_PERM_MASK

#define PW_CLIENT_PERM_MASK   PW_PERM_RWXM

PW_VERSION_CLIENT

#define PW_VERSION_CLIENT   3

Examples

tutorial6.c.

PW_ID_CLIENT

#define PW_ID_CLIENT   1

PW_CLIENT_CHANGE_MASK_PROPS

#define PW_CLIENT_CHANGE_MASK_PROPS   (1 << 0)

PW_CLIENT_CHANGE_MASK_ALL

#define PW_CLIENT_CHANGE_MASK_ALL   ((1 << 1)-1)

PW_CLIENT_EVENT_INFO

#define PW_CLIENT_EVENT_INFO   0

PW_CLIENT_EVENT_PERMISSIONS

#define PW_CLIENT_EVENT_PERMISSIONS   1

PW_CLIENT_EVENT_NUM

#define PW_CLIENT_EVENT_NUM   2

PW_VERSION_CLIENT_EVENTS

#define PW_VERSION_CLIENT_EVENTS   0

Examples

tutorial6.c.

PW_CLIENT_METHOD_ADD_LISTENER

#define PW_CLIENT_METHOD_ADD_LISTENER   0

PW_CLIENT_METHOD_ERROR

#define PW_CLIENT_METHOD_ERROR   1

PW_CLIENT_METHOD_UPDATE_PROPERTIES

#define PW_CLIENT_METHOD_UPDATE_PROPERTIES   2

PW_CLIENT_METHOD_GET_PERMISSIONS

#define PW_CLIENT_METHOD_GET_PERMISSIONS   3

PW_CLIENT_METHOD_UPDATE_PERMISSIONS

#define PW_CLIENT_METHOD_UPDATE_PERMISSIONS   4

PW_CLIENT_METHOD_NUM

#define PW_CLIENT_METHOD_NUM   5

PW_VERSION_CLIENT_METHODS

#define PW_VERSION_CLIENT_METHODS   0

pw_client_method

#define pw_client_method	(		o,
			method,
			version,
			... )

pw_client_add_listener

#define pw_client_add_listener	(		c,
			... )   pw_client_method(c,add_listener,0,__VA_ARGS__)

See also

pw_client_methods.add_listener

Examples

tutorial6.c.

pw_client_error

#define pw_client_error	(		c,
			... )   pw_client_method(c,error,0,__VA_ARGS__)

Send an error to a client.

Parameters

id	the global id to report the error on
res	an errno style error code
message	an error string

This requires W and X permissions on the client.

See also

pw_client_methods.error

pw_client_update_properties

#define pw_client_update_properties	(		c,
			... )   pw_client_method(c,update_properties,0,__VA_ARGS__)

Update client properties.

Parameters

props

new properties

This requires W and X permissions on the client.

See also

pw_client_methods.update_properties

pw_client_get_permissions

#define pw_client_get_permissions	(		c,
			... )   pw_client_method(c,get_permissions,0,__VA_ARGS__)

Get client permissions.

A permissions event will be emitted with the permissions.

Parameters

index	the first index to query, 0 for first
num	the maximum number of items to get

This requires W and X permissions on the client.

See also

pw_client_methods.get_permissions

pw_client_update_permissions

#define pw_client_update_permissions	(		c,
			... )   pw_client_method(c,update_permissions,0,__VA_ARGS__)

Manage the permissions of the global objects for this client.

Update the permissions of the global objects using the provided array with permissions

Globals can use the default permissions or can have specific permissions assigned to them.

Parameters

n_permissions	number of permissions
permissions	array of permissions

This requires W and X permissions on the client.

See also

pw_client_methods.update_permissions

Examples

export-sink.c.

Function Documentation

pw_client_info_update()

struct pw_client_info * pw_client_info_update	(	struct pw_client_info *	info,
		const struct pw_client_info *	update )

Update an existing pw_client_info with update with reset.

pw_client_info_merge()

struct pw_client_info * pw_client_info_merge	(	struct pw_client_info *	info,
		const struct pw_client_info *	update,
		bool	reset )

Merge an existing pw_client_info with update.

pw_client_info_free()

void pw_client_info_free

(

struct pw_client_info *

info

)

Free a pw_client_info.