Session Manager

Session manager interface More...

Files
file	session-manager.h
	pipewire/extensions/session-manager.h
file	impl-interfaces.h
	pipewire/extensions/session-manager/impl-interfaces.h
file	interfaces.h
	pipewire/extensions/session-manager/interfaces.h
file	introspect.h
	pipewire/extensions/session-manager/introspect.h
file	introspect-funcs.h
	pipewire/extensions/session-manager/introspect-funcs.h
file	keys.h
	pipewire/extensions/session-manager/keys.h

Data Structures
struct	pw_client_endpoint_events
struct	pw_client_endpoint_methods
struct	pw_client_session_events
struct	pw_client_session_methods
struct	pw_session_events
struct	pw_session_methods
struct	pw_endpoint_events
struct	pw_endpoint_methods
struct	pw_endpoint_stream_events
struct	pw_endpoint_stream_methods
struct	pw_endpoint_link_events
struct	pw_endpoint_link_methods
struct	pw_session_info
struct	pw_endpoint_info
struct	pw_endpoint_stream_info
struct	pw_endpoint_link_info
struct	pw_client_endpoint
struct	pw_client_session
struct	pw_session
struct	pw_endpoint
struct	pw_endpoint_stream
struct	pw_endpoint_link

Enumerations
enum	pw_endpoint_link_state { PW_ENDPOINT_LINK_STATE_ERROR = -1 , PW_ENDPOINT_LINK_STATE_PREPARING , PW_ENDPOINT_LINK_STATE_INACTIVE , PW_ENDPOINT_LINK_STATE_ACTIVE }

Macros
#define	PW_TYPE_INTERFACE_ClientEndpoint   PW_TYPE_INFO_INTERFACE_BASE "ClientEndpoint"
#define	PW_VERSION_CLIENT_ENDPOINT   0
#define	PW_CLIENT_ENDPOINT_EVENT_SET_SESSION_ID   0
#define	PW_CLIENT_ENDPOINT_EVENT_SET_PARAM   1
#define	PW_CLIENT_ENDPOINT_EVENT_STREAM_SET_PARAM   2
#define	PW_CLIENT_ENDPOINT_EVENT_CREATE_LINK   3
#define	PW_CLIENT_ENDPOINT_EVENT_NUM   4
#define	PW_VERSION_CLIENT_ENDPOINT_EVENTS   0
#define	PW_CLIENT_ENDPOINT_METHOD_ADD_LISTENER   0
#define	PW_CLIENT_ENDPOINT_METHOD_UPDATE   1
#define	PW_CLIENT_ENDPOINT_METHOD_STREAM_UPDATE   2
#define	PW_CLIENT_ENDPOINT_METHOD_NUM   3
#define	PW_VERSION_CLIENT_ENDPOINT_METHODS   0
#define	pw_client_endpoint_method(o, method, version, ...)
#define	pw_client_endpoint_add_listener(o, ...)
#define	pw_client_endpoint_update(o, ...)
	Update endpoint information.
#define	pw_client_endpoint_stream_update(o, ...)
	Update stream information.
#define	PW_TYPE_INTERFACE_ClientSession   PW_TYPE_INFO_INTERFACE_BASE "ClientSession"
#define	PW_VERSION_CLIENT_SESSION   0
#define	PW_CLIENT_SESSION_EVENT_SET_PARAM   0
#define	PW_CLIENT_SESSION_EVENT_LINK_SET_PARAM   1
#define	PW_CLIENT_SESSION_EVENT_LINK_REQUEST_STATE   2
#define	PW_CLIENT_SESSION_EVENT_NUM   3
#define	PW_VERSION_CLIENT_SESSION_EVENTS   0
#define	PW_CLIENT_SESSION_METHOD_ADD_LISTENER   0
#define	PW_CLIENT_SESSION_METHOD_UPDATE   1
#define	PW_CLIENT_SESSION_METHOD_LINK_UPDATE   2
#define	PW_CLIENT_SESSION_METHOD_NUM   3
#define	PW_VERSION_CLIENT_SESSION_METHODS   0
#define	pw_client_session_method(o, method, version, ...)
#define	pw_client_session_add_listener(o, ...)
#define	pw_client_session_update(o, ...)
	Update session information.
#define	pw_client_session_link_update(o, ...)
	Update link information.
#define	PW_TYPE_INTERFACE_Session   PW_TYPE_INFO_INTERFACE_BASE "Session"
#define	PW_SESSION_PERM_MASK   PW_PERM_RWX
#define	PW_VERSION_SESSION   0
#define	PW_TYPE_INTERFACE_Endpoint   PW_TYPE_INFO_INTERFACE_BASE "Endpoint"
#define	PW_ENDPOINT_PERM_MASK   PW_PERM_RWX
#define	PW_VERSION_ENDPOINT   0
#define	PW_TYPE_INTERFACE_EndpointStream   PW_TYPE_INFO_INTERFACE_BASE "EndpointStream"
#define	PW_ENDPOINT_STREAM_PERM_MASK   PW_PERM_RWX
#define	PW_VERSION_ENDPOINT_STREAM   0
#define	PW_TYPE_INTERFACE_EndpointLink   PW_TYPE_INFO_INTERFACE_BASE "EndpointLink"
#define	PW_ENDPOINT_LINK_PERM_MASK   PW_PERM_RWX
#define	PW_VERSION_ENDPOINT_LINK   0
#define	PW_SESSION_EVENT_INFO   0
#define	PW_SESSION_EVENT_PARAM   1
#define	PW_SESSION_EVENT_NUM   2
#define	PW_VERSION_SESSION_EVENTS   0
#define	PW_SESSION_METHOD_ADD_LISTENER   0
#define	PW_SESSION_METHOD_SUBSCRIBE_PARAMS   1
#define	PW_SESSION_METHOD_ENUM_PARAMS   2
#define	PW_SESSION_METHOD_SET_PARAM   3
#define	PW_SESSION_METHOD_CREATE_LINK   4
#define	PW_SESSION_METHOD_NUM   5
#define	PW_VERSION_SESSION_METHODS   0
#define	pw_session_method(o, method, version, ...)
#define	pw_session_add_listener(c, ...)
#define	pw_session_subscribe_params(c, ...)
	Subscribe to parameter changes.
#define	pw_session_enum_params(c, ...)
	Enumerate session parameters.
#define	pw_session_set_param(c, ...)
	Set a parameter on the session.
#define	PW_ENDPOINT_EVENT_INFO   0
#define	PW_ENDPOINT_EVENT_PARAM   1
#define	PW_ENDPOINT_EVENT_NUM   2
#define	PW_VERSION_ENDPOINT_EVENTS   0
#define	PW_ENDPOINT_METHOD_ADD_LISTENER   0
#define	PW_ENDPOINT_METHOD_SUBSCRIBE_PARAMS   1
#define	PW_ENDPOINT_METHOD_ENUM_PARAMS   2
#define	PW_ENDPOINT_METHOD_SET_PARAM   3
#define	PW_ENDPOINT_METHOD_CREATE_LINK   4
#define	PW_ENDPOINT_METHOD_NUM   5
#define	PW_VERSION_ENDPOINT_METHODS   0
#define	pw_endpoint_method(o, method, version, ...)
#define	pw_endpoint_add_listener(c, ...)
#define	pw_endpoint_subscribe_params(c, ...)
	Subscribe to parameter changes.
#define	pw_endpoint_enum_params(c, ...)
	Enumerate endpoint parameters.
#define	pw_endpoint_set_param(c, ...)
	Set a parameter on the endpoint.
#define	pw_endpoint_create_link(c, ...)
	Create a link.
#define	PW_ENDPOINT_STREAM_EVENT_INFO   0
#define	PW_ENDPOINT_STREAM_EVENT_PARAM   1
#define	PW_ENDPOINT_STREAM_EVENT_NUM   2
#define	PW_VERSION_ENDPOINT_STREAM_EVENTS   0
#define	PW_ENDPOINT_STREAM_METHOD_ADD_LISTENER   0
#define	PW_ENDPOINT_STREAM_METHOD_SUBSCRIBE_PARAMS   1
#define	PW_ENDPOINT_STREAM_METHOD_ENUM_PARAMS   2
#define	PW_ENDPOINT_STREAM_METHOD_SET_PARAM   3
#define	PW_ENDPOINT_STREAM_METHOD_NUM   4
#define	PW_VERSION_ENDPOINT_STREAM_METHODS   0
#define	pw_endpoint_stream_method(o, method, version, ...)
#define	pw_endpoint_stream_add_listener(c, ...)
#define	pw_endpoint_stream_subscribe_params(c, ...)
	Subscribe to parameter changes.
#define	pw_endpoint_stream_enum_params(c, ...)
	Enumerate stream parameters.
#define	pw_endpoint_stream_set_param(c, ...)
	Set a parameter on the stream.
#define	PW_ENDPOINT_LINK_EVENT_INFO   0
#define	PW_ENDPOINT_LINK_EVENT_PARAM   1
#define	PW_ENDPOINT_LINK_EVENT_NUM   2
#define	PW_VERSION_ENDPOINT_LINK_EVENTS   0
#define	PW_ENDPOINT_LINK_METHOD_ADD_LISTENER   0
#define	PW_ENDPOINT_LINK_METHOD_SUBSCRIBE_PARAMS   1
#define	PW_ENDPOINT_LINK_METHOD_ENUM_PARAMS   2
#define	PW_ENDPOINT_LINK_METHOD_SET_PARAM   3
#define	PW_ENDPOINT_LINK_METHOD_REQUEST_STATE   4
#define	PW_ENDPOINT_LINK_METHOD_DESTROY   5
#define	PW_ENDPOINT_LINK_METHOD_NUM   6
#define	PW_VERSION_ENDPOINT_LINK_METHODS   0
#define	pw_endpoint_link_method(o, method, version, ...)
#define	pw_endpoint_link_add_listener(c, ...)
#define	pw_endpoint_link_subscribe_params(c, ...)
	Subscribe to parameter changes.
#define	pw_endpoint_link_enum_params(c, ...)
	Enumerate link parameters.
#define	pw_endpoint_link_set_param(c, ...)
	Set a parameter on the link.
#define	pw_endpoint_link_request_state(c, ...)
	Request a state on the link.
#define	PW_VERSION_SESSION_INFO   0
#define	PW_SESSION_CHANGE_MASK_PROPS   (1 << 0)
#define	PW_SESSION_CHANGE_MASK_PARAMS   (1 << 1)
#define	PW_SESSION_CHANGE_MASK_ALL   ((1 << 2)-1)
#define	PW_VERSION_ENDPOINT_INFO   0
#define	PW_ENDPOINT_FLAG_PROVIDES_SESSION   (1 << 0)
#define	PW_ENDPOINT_CHANGE_MASK_STREAMS   (1 << 0)
#define	PW_ENDPOINT_CHANGE_MASK_SESSION   (1 << 1)
#define	PW_ENDPOINT_CHANGE_MASK_PROPS   (1 << 2)
#define	PW_ENDPOINT_CHANGE_MASK_PARAMS   (1 << 3)
#define	PW_ENDPOINT_CHANGE_MASK_ALL   ((1 << 4)-1)
#define	PW_VERSION_ENDPOINT_STREAM_INFO   0
#define	PW_ENDPOINT_STREAM_CHANGE_MASK_LINK_PARAMS   (1 << 0)
#define	PW_ENDPOINT_STREAM_CHANGE_MASK_PROPS   (1 << 1)
#define	PW_ENDPOINT_STREAM_CHANGE_MASK_PARAMS   (1 << 2)
#define	PW_ENDPOINT_STREAM_CHANGE_MASK_ALL   ((1 << 3)-1)
#define	PW_VERSION_ENDPOINT_LINK_INFO   0
#define	PW_ENDPOINT_LINK_CHANGE_MASK_STATE   (1 << 0)
#define	PW_ENDPOINT_LINK_CHANGE_MASK_PROPS   (1 << 1)
#define	PW_ENDPOINT_LINK_CHANGE_MASK_PARAMS   (1 << 2)
#define	PW_ENDPOINT_LINK_CHANGE_MASK_ALL   ((1 << 3)-1)
#define	PW_KEY_SESSION_ID   "session.id"
	id of a session manager
#define	PW_KEY_ENDPOINT_ID   "endpoint.id"
	id of an endpoint
#define	PW_KEY_ENDPOINT_NAME   "endpoint.name"
	the name of an endpoint
#define	PW_KEY_ENDPOINT_MONITOR   "endpoint.monitor"
	endpoint is monitor of given endpoint
#define	PW_KEY_ENDPOINT_CLIENT_ID   "endpoint.client.id"
	client of the endpoint
#define	PW_KEY_ENDPOINT_ICON_NAME   "endpoint.icon-name"
	an XDG icon name for the device.
#define	PW_KEY_ENDPOINT_AUTOCONNECT   "endpoint.autoconnect"
	try to automatically connect this endpoint.
#define	PW_KEY_ENDPOINT_TARGET   "endpoint.target"
	the suggested target to connect to
#define	PW_KEY_ENDPOINT_STREAM_ID   "endpoint-stream.id"
	id of a stream
#define	PW_KEY_ENDPOINT_STREAM_NAME   "endpoint-stream.name"
	unique name of a stream
#define	PW_KEY_ENDPOINT_STREAM_DESCRIPTION   "endpoint-stream.description"
	description of a stream
#define	PW_KEY_ENDPOINT_LINK_OUTPUT_ENDPOINT   "endpoint-link.output.endpoint"
	output endpoint of link
#define	PW_KEY_ENDPOINT_LINK_OUTPUT_STREAM   "endpoint-link.output.stream"
	output stream of link
#define	PW_KEY_ENDPOINT_LINK_INPUT_ENDPOINT   "endpoint-link.input.endpoint"
	input endpoint of link
#define	PW_KEY_ENDPOINT_LINK_INPUT_STREAM   "endpoint-link.input.stream"
	input stream of link

Functions
static struct pw_session_info *	pw_session_info_update (struct pw_session_info *info, const struct pw_session_info *update)
static void	pw_session_info_free (struct pw_session_info *info)
static struct pw_endpoint_info *	pw_endpoint_info_update (struct pw_endpoint_info *info, const struct pw_endpoint_info *update)
static void	pw_endpoint_info_free (struct pw_endpoint_info *info)
static struct pw_endpoint_stream_info *	pw_endpoint_stream_info_update (struct pw_endpoint_stream_info *info, const struct pw_endpoint_stream_info *update)
static void	pw_endpoint_stream_info_free (struct pw_endpoint_stream_info *info)
static struct pw_endpoint_link_info *	pw_endpoint_link_info_update (struct pw_endpoint_link_info *info, const struct pw_endpoint_link_info *update)
static void	pw_endpoint_link_info_free (struct pw_endpoint_link_info *info)

Variables
int(*	pw_client_endpoint_methods::update )(void *object, #define PW_CLIENT_ENDPOINT_UPDATE_PARAMS #define PW_CLIENT_ENDPOINT_UPDATE_INFO uint32_t change_mask, uint32_t n_params, const struct spa_pod **params, const struct pw_endpoint_info *info)
	Update endpoint information.
int(*	pw_client_endpoint_methods::stream_update )(void *object, uint32_t stream_id, #define PW_CLIENT_ENDPOINT_STREAM_UPDATE_PARAMS #define PW_CLIENT_ENDPOINT_STREAM_UPDATE_INFO #define PW_CLIENT_ENDPOINT_STREAM_UPDATE_DESTROYED uint32_t change_mask, uint32_t n_params, const struct spa_pod **params, const struct pw_endpoint_stream_info *info)
	Update stream information.
int(*	pw_client_session_methods::update )(void *object, #define PW_CLIENT_SESSION_UPDATE_PARAMS #define PW_CLIENT_SESSION_UPDATE_INFO uint32_t change_mask, uint32_t n_params, const struct spa_pod **params, const struct pw_session_info *info)
	Update session information.
int(*	pw_client_session_methods::link_update )(void *object, uint32_t link_id, #define PW_CLIENT_SESSION_LINK_UPDATE_PARAMS #define PW_CLIENT_SESSION_LINK_UPDATE_INFO #define PW_CLIENT_SESSION_LINK_UPDATE_DESTROYED uint32_t change_mask, uint32_t n_params, const struct spa_pod **params, const struct pw_endpoint_link_info *info)
	Update link information.

Detailed Description

Session manager interface

Enumeration Type Documentation

pw_endpoint_link_state

enum pw_endpoint_link_state

Enumerator
PW_ENDPOINT_LINK_STATE_ERROR
PW_ENDPOINT_LINK_STATE_PREPARING
PW_ENDPOINT_LINK_STATE_INACTIVE
PW_ENDPOINT_LINK_STATE_ACTIVE

Macro Definition Documentation

PW_TYPE_INTERFACE_ClientEndpoint

#define PW_TYPE_INTERFACE_ClientEndpoint   PW_TYPE_INFO_INTERFACE_BASE "ClientEndpoint"

PW_VERSION_CLIENT_ENDPOINT

#define PW_VERSION_CLIENT_ENDPOINT   0

PW_CLIENT_ENDPOINT_EVENT_SET_SESSION_ID

#define PW_CLIENT_ENDPOINT_EVENT_SET_SESSION_ID   0

PW_CLIENT_ENDPOINT_EVENT_SET_PARAM

#define PW_CLIENT_ENDPOINT_EVENT_SET_PARAM   1

PW_CLIENT_ENDPOINT_EVENT_STREAM_SET_PARAM

#define PW_CLIENT_ENDPOINT_EVENT_STREAM_SET_PARAM   2

PW_CLIENT_ENDPOINT_EVENT_CREATE_LINK

#define PW_CLIENT_ENDPOINT_EVENT_CREATE_LINK   3

PW_CLIENT_ENDPOINT_EVENT_NUM

#define PW_CLIENT_ENDPOINT_EVENT_NUM   4

PW_VERSION_CLIENT_ENDPOINT_EVENTS

#define PW_VERSION_CLIENT_ENDPOINT_EVENTS   0

PW_CLIENT_ENDPOINT_METHOD_ADD_LISTENER

#define PW_CLIENT_ENDPOINT_METHOD_ADD_LISTENER   0

PW_CLIENT_ENDPOINT_METHOD_UPDATE

#define PW_CLIENT_ENDPOINT_METHOD_UPDATE   1

PW_CLIENT_ENDPOINT_METHOD_STREAM_UPDATE

#define PW_CLIENT_ENDPOINT_METHOD_STREAM_UPDATE   2

PW_CLIENT_ENDPOINT_METHOD_NUM

#define PW_CLIENT_ENDPOINT_METHOD_NUM   3

PW_VERSION_CLIENT_ENDPOINT_METHODS

#define PW_VERSION_CLIENT_ENDPOINT_METHODS   0

pw_client_endpoint_method

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

pw_client_endpoint_add_listener

#define pw_client_endpoint_add_listener	(		o,
			... )

Value:

pw_client_endpoint_method(o,add_listener,0,__VA_ARGS__)

See also

pw_client_endpoint_methods.add_listener

pw_client_endpoint_update

#define pw_client_endpoint_update	(		o,
			... )

Value:

pw_client_endpoint_method(o,update,0,__VA_ARGS__)

Update endpoint information.

See also

pw_client_endpoint_methods.update

pw_client_endpoint_stream_update

#define pw_client_endpoint_stream_update	(		o,
			... )

Value:

pw_client_endpoint_method(o,stream_update,0,__VA_ARGS__)

Update stream information.

See also

pw_client_endpoint_methods.stream_update

PW_TYPE_INTERFACE_ClientSession

#define PW_TYPE_INTERFACE_ClientSession   PW_TYPE_INFO_INTERFACE_BASE "ClientSession"

PW_VERSION_CLIENT_SESSION

#define PW_VERSION_CLIENT_SESSION   0

PW_CLIENT_SESSION_EVENT_SET_PARAM

#define PW_CLIENT_SESSION_EVENT_SET_PARAM   0

PW_CLIENT_SESSION_EVENT_LINK_SET_PARAM

#define PW_CLIENT_SESSION_EVENT_LINK_SET_PARAM   1

PW_CLIENT_SESSION_EVENT_LINK_REQUEST_STATE

#define PW_CLIENT_SESSION_EVENT_LINK_REQUEST_STATE   2

PW_CLIENT_SESSION_EVENT_NUM

#define PW_CLIENT_SESSION_EVENT_NUM   3

PW_VERSION_CLIENT_SESSION_EVENTS

#define PW_VERSION_CLIENT_SESSION_EVENTS   0

PW_CLIENT_SESSION_METHOD_ADD_LISTENER

#define PW_CLIENT_SESSION_METHOD_ADD_LISTENER   0

PW_CLIENT_SESSION_METHOD_UPDATE

#define PW_CLIENT_SESSION_METHOD_UPDATE   1

PW_CLIENT_SESSION_METHOD_LINK_UPDATE

#define PW_CLIENT_SESSION_METHOD_LINK_UPDATE   2

PW_CLIENT_SESSION_METHOD_NUM

#define PW_CLIENT_SESSION_METHOD_NUM   3

PW_VERSION_CLIENT_SESSION_METHODS

#define PW_VERSION_CLIENT_SESSION_METHODS   0

pw_client_session_method

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

pw_client_session_add_listener

#define pw_client_session_add_listener	(		o,
			... )

Value:

pw_client_session_method(o,add_listener,0,__VA_ARGS__)

See also

pw_client_session_methods.add_listener

pw_client_session_update

#define pw_client_session_update	(		o,
			... )

Value:

pw_client_session_method(o,update,0,__VA_ARGS__)

Update session information.

See also

pw_client_session_methods.update

pw_client_session_link_update

#define pw_client_session_link_update	(		o,
			... )

Value:

pw_client_session_method(o,link_update,0,__VA_ARGS__)

Update link information.

See also

pw_client_session_methods.link_update

PW_TYPE_INTERFACE_Session

#define PW_TYPE_INTERFACE_Session   PW_TYPE_INFO_INTERFACE_BASE "Session"

PW_SESSION_PERM_MASK

#define PW_SESSION_PERM_MASK   PW_PERM_RWX

PW_VERSION_SESSION

#define PW_VERSION_SESSION   0

PW_TYPE_INTERFACE_Endpoint

#define PW_TYPE_INTERFACE_Endpoint   PW_TYPE_INFO_INTERFACE_BASE "Endpoint"

PW_ENDPOINT_PERM_MASK

#define PW_ENDPOINT_PERM_MASK   PW_PERM_RWX

PW_VERSION_ENDPOINT

#define PW_VERSION_ENDPOINT   0

PW_TYPE_INTERFACE_EndpointStream

#define PW_TYPE_INTERFACE_EndpointStream   PW_TYPE_INFO_INTERFACE_BASE "EndpointStream"

PW_ENDPOINT_STREAM_PERM_MASK

#define PW_ENDPOINT_STREAM_PERM_MASK   PW_PERM_RWX

PW_VERSION_ENDPOINT_STREAM

#define PW_VERSION_ENDPOINT_STREAM   0

PW_TYPE_INTERFACE_EndpointLink

#define PW_TYPE_INTERFACE_EndpointLink   PW_TYPE_INFO_INTERFACE_BASE "EndpointLink"

PW_ENDPOINT_LINK_PERM_MASK

#define PW_ENDPOINT_LINK_PERM_MASK   PW_PERM_RWX

PW_VERSION_ENDPOINT_LINK

#define PW_VERSION_ENDPOINT_LINK   0

PW_SESSION_EVENT_INFO

#define PW_SESSION_EVENT_INFO   0

PW_SESSION_EVENT_PARAM

#define PW_SESSION_EVENT_PARAM   1

PW_SESSION_EVENT_NUM

#define PW_SESSION_EVENT_NUM   2

PW_VERSION_SESSION_EVENTS

#define PW_VERSION_SESSION_EVENTS   0

PW_SESSION_METHOD_ADD_LISTENER

#define PW_SESSION_METHOD_ADD_LISTENER   0

PW_SESSION_METHOD_SUBSCRIBE_PARAMS

#define PW_SESSION_METHOD_SUBSCRIBE_PARAMS   1

PW_SESSION_METHOD_ENUM_PARAMS

#define PW_SESSION_METHOD_ENUM_PARAMS   2

PW_SESSION_METHOD_SET_PARAM

#define PW_SESSION_METHOD_SET_PARAM   3

PW_SESSION_METHOD_CREATE_LINK

#define PW_SESSION_METHOD_CREATE_LINK   4

PW_SESSION_METHOD_NUM

#define PW_SESSION_METHOD_NUM   5

PW_VERSION_SESSION_METHODS

#define PW_VERSION_SESSION_METHODS   0

pw_session_method

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

pw_session_add_listener

#define pw_session_add_listener	(		c,
			... )

Value:

pw_session_method(c,add_listener,0,__VA_ARGS__)

See also

pw_session_methods.add_listener

pw_session_subscribe_params

#define pw_session_subscribe_params	(		c,
			... )

Value:

pw_session_method(c,subscribe_params,0,__VA_ARGS__)

Subscribe to parameter changes.

Automatically emit param events for the given ids when they are changed.

Parameters

ids	an array of param ids
n_ids	the number of ids in ids

This requires X permissions.

See also

pw_session_methods.subscribe_params

pw_session_enum_params

#define pw_session_enum_params	(		c,
			... )

Value:

pw_session_method(c,enum_params,0,__VA_ARGS__)

Enumerate session parameters.

Start enumeration of session parameters. For each param, a param event will be emitted.

Parameters

seq	a sequence number returned in the reply
id	the parameter id to enumerate
start	the start index or 0 for the first param
num	the maximum number of params to retrieve
filter	a param filter or NULL

This requires X permissions.

See also

pw_session_methods.enum_params

pw_session_set_param

#define pw_session_set_param	(		c,
			... )

Value:

pw_session_method(c,set_param,0,__VA_ARGS__)

Set a parameter on the session.

Parameters

id	the parameter id to set
flags	extra parameter flags
param	the parameter to set

This requires X and W permissions.

See also

pw_session_methods.set_param

PW_ENDPOINT_EVENT_INFO

#define PW_ENDPOINT_EVENT_INFO   0

PW_ENDPOINT_EVENT_PARAM

#define PW_ENDPOINT_EVENT_PARAM   1

PW_ENDPOINT_EVENT_NUM

#define PW_ENDPOINT_EVENT_NUM   2

PW_VERSION_ENDPOINT_EVENTS

#define PW_VERSION_ENDPOINT_EVENTS   0

PW_ENDPOINT_METHOD_ADD_LISTENER

#define PW_ENDPOINT_METHOD_ADD_LISTENER   0

PW_ENDPOINT_METHOD_SUBSCRIBE_PARAMS

#define PW_ENDPOINT_METHOD_SUBSCRIBE_PARAMS   1

PW_ENDPOINT_METHOD_ENUM_PARAMS

#define PW_ENDPOINT_METHOD_ENUM_PARAMS   2

PW_ENDPOINT_METHOD_SET_PARAM

#define PW_ENDPOINT_METHOD_SET_PARAM   3

PW_ENDPOINT_METHOD_CREATE_LINK

#define PW_ENDPOINT_METHOD_CREATE_LINK   4

PW_ENDPOINT_METHOD_NUM

#define PW_ENDPOINT_METHOD_NUM   5

PW_VERSION_ENDPOINT_METHODS

#define PW_VERSION_ENDPOINT_METHODS   0

pw_endpoint_method

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

pw_endpoint_add_listener

#define pw_endpoint_add_listener	(		c,
			... )

Value:

pw_endpoint_method(c,add_listener,0,__VA_ARGS__)

See also

pw_endpoint_methods.add_listener

pw_endpoint_subscribe_params

#define pw_endpoint_subscribe_params	(		c,
			... )

Value:

pw_endpoint_method(c,subscribe_params,0,__VA_ARGS__)

Subscribe to parameter changes.

Automatically emit param events for the given ids when they are changed.

Parameters

ids	an array of param ids
n_ids	the number of ids in ids

This requires X permissions.

See also

pw_endpoint_methods.subscribe_params

pw_endpoint_enum_params

#define pw_endpoint_enum_params	(		c,
			... )

Value:

pw_endpoint_method(c,enum_params,0,__VA_ARGS__)

Enumerate endpoint parameters.

Start enumeration of endpoint parameters. For each param, a param event will be emitted.

Parameters

seq	a sequence number returned in the reply
id	the parameter id to enumerate
start	the start index or 0 for the first param
num	the maximum number of params to retrieve
filter	a param filter or NULL

This requires X permissions.

See also

pw_endpoint_methods.enum_params

pw_endpoint_set_param

#define pw_endpoint_set_param	(		c,
			... )

Value:

pw_endpoint_method(c,set_param,0,__VA_ARGS__)

Set a parameter on the endpoint.

Parameters

id	the parameter id to set
flags	extra parameter flags
param	the parameter to set

This requires X and W permissions.

See also

pw_endpoint_methods.set_param

pw_endpoint_create_link

#define pw_endpoint_create_link	(		c,
			... )

Value:

pw_endpoint_method(c,create_link,0,__VA_ARGS__)

Create a link.

This requires X permissions.

See also

pw_endpoint_methods.create_link

PW_ENDPOINT_STREAM_EVENT_INFO

#define PW_ENDPOINT_STREAM_EVENT_INFO   0

PW_ENDPOINT_STREAM_EVENT_PARAM

#define PW_ENDPOINT_STREAM_EVENT_PARAM   1

PW_ENDPOINT_STREAM_EVENT_NUM

#define PW_ENDPOINT_STREAM_EVENT_NUM   2

PW_VERSION_ENDPOINT_STREAM_EVENTS

#define PW_VERSION_ENDPOINT_STREAM_EVENTS   0

PW_ENDPOINT_STREAM_METHOD_ADD_LISTENER

#define PW_ENDPOINT_STREAM_METHOD_ADD_LISTENER   0

PW_ENDPOINT_STREAM_METHOD_SUBSCRIBE_PARAMS

#define PW_ENDPOINT_STREAM_METHOD_SUBSCRIBE_PARAMS   1

PW_ENDPOINT_STREAM_METHOD_ENUM_PARAMS

#define PW_ENDPOINT_STREAM_METHOD_ENUM_PARAMS   2

PW_ENDPOINT_STREAM_METHOD_SET_PARAM

#define PW_ENDPOINT_STREAM_METHOD_SET_PARAM   3

PW_ENDPOINT_STREAM_METHOD_NUM

#define PW_ENDPOINT_STREAM_METHOD_NUM   4

PW_VERSION_ENDPOINT_STREAM_METHODS

#define PW_VERSION_ENDPOINT_STREAM_METHODS   0

pw_endpoint_stream_method

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

pw_endpoint_stream_add_listener

#define pw_endpoint_stream_add_listener	(		c,
			... )

Value:

pw_endpoint_stream_method(c,add_listener,0,__VA_ARGS__)

See also

pw_endpoint_stream_methods.add_listener

pw_endpoint_stream_subscribe_params

#define pw_endpoint_stream_subscribe_params	(		c,
			... )

Value:

pw_endpoint_stream_method(c,subscribe_params,0,__VA_ARGS__)

Subscribe to parameter changes.

Automatically emit param events for the given ids when they are changed.

Parameters

ids	an array of param ids
n_ids	the number of ids in ids

This requires X permissions.

See also

pw_endpoint_stream_methods.subscribe_params

pw_endpoint_stream_enum_params

#define pw_endpoint_stream_enum_params	(		c,
			... )

Value:

pw_endpoint_stream_method(c,enum_params,0,__VA_ARGS__)

Enumerate stream parameters.

Start enumeration of stream parameters. For each param, a param event will be emitted.

Parameters

seq	a sequence number returned in the reply
id	the parameter id to enumerate
start	the start index or 0 for the first param
num	the maximum number of params to retrieve
filter	a param filter or NULL

This requires X permissions.

See also

pw_endpoint_stream_methods.enum_params

pw_endpoint_stream_set_param

#define pw_endpoint_stream_set_param	(		c,
			... )

Value:

pw_endpoint_stream_method(c,set_param,0,__VA_ARGS__)

Set a parameter on the stream.

Parameters

id	the parameter id to set
flags	extra parameter flags
param	the parameter to set

This requires X and W permissions.

See also

pw_endpoint_stream_methods.set_param

PW_ENDPOINT_LINK_EVENT_INFO

#define PW_ENDPOINT_LINK_EVENT_INFO   0

PW_ENDPOINT_LINK_EVENT_PARAM

#define PW_ENDPOINT_LINK_EVENT_PARAM   1

PW_ENDPOINT_LINK_EVENT_NUM

#define PW_ENDPOINT_LINK_EVENT_NUM   2

PW_VERSION_ENDPOINT_LINK_EVENTS

#define PW_VERSION_ENDPOINT_LINK_EVENTS   0

PW_ENDPOINT_LINK_METHOD_ADD_LISTENER

#define PW_ENDPOINT_LINK_METHOD_ADD_LISTENER   0

PW_ENDPOINT_LINK_METHOD_SUBSCRIBE_PARAMS

#define PW_ENDPOINT_LINK_METHOD_SUBSCRIBE_PARAMS   1

PW_ENDPOINT_LINK_METHOD_ENUM_PARAMS

#define PW_ENDPOINT_LINK_METHOD_ENUM_PARAMS   2

PW_ENDPOINT_LINK_METHOD_SET_PARAM

#define PW_ENDPOINT_LINK_METHOD_SET_PARAM   3

PW_ENDPOINT_LINK_METHOD_REQUEST_STATE

#define PW_ENDPOINT_LINK_METHOD_REQUEST_STATE   4

PW_ENDPOINT_LINK_METHOD_DESTROY

#define PW_ENDPOINT_LINK_METHOD_DESTROY   5

PW_ENDPOINT_LINK_METHOD_NUM

#define PW_ENDPOINT_LINK_METHOD_NUM   6

PW_VERSION_ENDPOINT_LINK_METHODS

#define PW_VERSION_ENDPOINT_LINK_METHODS   0

pw_endpoint_link_method

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

pw_endpoint_link_add_listener

#define pw_endpoint_link_add_listener	(		c,
			... )

Value:

pw_endpoint_link_method(c,add_listener,0,__VA_ARGS__)

See also

pw_endpoint_link_methods.add_listener

pw_endpoint_link_subscribe_params

#define pw_endpoint_link_subscribe_params	(		c,
			... )

Value:

pw_endpoint_link_method(c,subscribe_params,0,__VA_ARGS__)

Subscribe to parameter changes.

Automatically emit param events for the given ids when they are changed.

Parameters

ids	an array of param ids
n_ids	the number of ids in ids

This requires X permissions.

See also

pw_endpoint_link_methods.subscribe_params

pw_endpoint_link_enum_params

#define pw_endpoint_link_enum_params	(		c,
			... )

Value:

pw_endpoint_link_method(c,enum_params,0,__VA_ARGS__)

Enumerate link parameters.

Start enumeration of link parameters. For each param, a param event will be emitted.

Parameters

seq	a sequence number returned in the reply
id	the parameter id to enumerate
start	the start index or 0 for the first param
num	the maximum number of params to retrieve
filter	a param filter or NULL

This requires X permissions.

See also

pw_endpoint_link_methods.enum_params

pw_endpoint_link_set_param

#define pw_endpoint_link_set_param	(		c,
			... )

Value:

pw_endpoint_link_method(c,set_param,0,__VA_ARGS__)

Set a parameter on the link.

Parameters

id	the parameter id to set
flags	extra parameter flags
param	the parameter to set

This requires X and W permissions.

See also

pw_endpoint_link_methods.set_param

pw_endpoint_link_request_state

#define pw_endpoint_link_request_state	(		c,
			... )

Value:

pw_endpoint_link_method(c,request_state,0,__VA_ARGS__)

Request a state on the link.

This requires X and W permissions.

See also

pw_endpoint_link_methods.request_state

PW_VERSION_SESSION_INFO

#define PW_VERSION_SESSION_INFO   0

PW_SESSION_CHANGE_MASK_PROPS

#define PW_SESSION_CHANGE_MASK_PROPS   (1 << 0)

PW_SESSION_CHANGE_MASK_PARAMS

#define PW_SESSION_CHANGE_MASK_PARAMS   (1 << 1)

PW_SESSION_CHANGE_MASK_ALL

#define PW_SESSION_CHANGE_MASK_ALL   ((1 << 2)-1)

PW_VERSION_ENDPOINT_INFO

#define PW_VERSION_ENDPOINT_INFO   0

PW_ENDPOINT_FLAG_PROVIDES_SESSION

#define PW_ENDPOINT_FLAG_PROVIDES_SESSION   (1 << 0)

PW_ENDPOINT_CHANGE_MASK_STREAMS

#define PW_ENDPOINT_CHANGE_MASK_STREAMS   (1 << 0)

PW_ENDPOINT_CHANGE_MASK_SESSION

#define PW_ENDPOINT_CHANGE_MASK_SESSION   (1 << 1)

PW_ENDPOINT_CHANGE_MASK_PROPS

#define PW_ENDPOINT_CHANGE_MASK_PROPS   (1 << 2)

PW_ENDPOINT_CHANGE_MASK_PARAMS

#define PW_ENDPOINT_CHANGE_MASK_PARAMS   (1 << 3)

PW_ENDPOINT_CHANGE_MASK_ALL

#define PW_ENDPOINT_CHANGE_MASK_ALL   ((1 << 4)-1)

PW_VERSION_ENDPOINT_STREAM_INFO

#define PW_VERSION_ENDPOINT_STREAM_INFO   0

PW_ENDPOINT_STREAM_CHANGE_MASK_LINK_PARAMS

#define PW_ENDPOINT_STREAM_CHANGE_MASK_LINK_PARAMS   (1 << 0)

PW_ENDPOINT_STREAM_CHANGE_MASK_PROPS

#define PW_ENDPOINT_STREAM_CHANGE_MASK_PROPS   (1 << 1)

PW_ENDPOINT_STREAM_CHANGE_MASK_PARAMS

#define PW_ENDPOINT_STREAM_CHANGE_MASK_PARAMS   (1 << 2)

PW_ENDPOINT_STREAM_CHANGE_MASK_ALL

#define PW_ENDPOINT_STREAM_CHANGE_MASK_ALL   ((1 << 3)-1)

PW_VERSION_ENDPOINT_LINK_INFO

#define PW_VERSION_ENDPOINT_LINK_INFO   0

PW_ENDPOINT_LINK_CHANGE_MASK_STATE

#define PW_ENDPOINT_LINK_CHANGE_MASK_STATE   (1 << 0)

PW_ENDPOINT_LINK_CHANGE_MASK_PROPS

#define PW_ENDPOINT_LINK_CHANGE_MASK_PROPS   (1 << 1)

PW_ENDPOINT_LINK_CHANGE_MASK_PARAMS

#define PW_ENDPOINT_LINK_CHANGE_MASK_PARAMS   (1 << 2)

PW_ENDPOINT_LINK_CHANGE_MASK_ALL

#define PW_ENDPOINT_LINK_CHANGE_MASK_ALL   ((1 << 3)-1)

PW_KEY_SESSION_ID

#define PW_KEY_SESSION_ID   "session.id"

id of a session manager

PW_KEY_ENDPOINT_ID

#define PW_KEY_ENDPOINT_ID   "endpoint.id"

id of an endpoint

PW_KEY_ENDPOINT_NAME

#define PW_KEY_ENDPOINT_NAME   "endpoint.name"

the name of an endpoint

PW_KEY_ENDPOINT_MONITOR

#define PW_KEY_ENDPOINT_MONITOR   "endpoint.monitor"

endpoint is monitor of given endpoint

PW_KEY_ENDPOINT_CLIENT_ID

#define PW_KEY_ENDPOINT_CLIENT_ID   "endpoint.client.id"

client of the endpoint

PW_KEY_ENDPOINT_ICON_NAME

#define PW_KEY_ENDPOINT_ICON_NAME   "endpoint.icon-name"

an XDG icon name for the device.

Ex. "sound-card-speakers-usb"

PW_KEY_ENDPOINT_AUTOCONNECT

#define PW_KEY_ENDPOINT_AUTOCONNECT   "endpoint.autoconnect"

try to automatically connect this endpoint.

PW_KEY_ENDPOINT_TARGET

#define PW_KEY_ENDPOINT_TARGET   "endpoint.target"

the suggested target to connect to

PW_KEY_ENDPOINT_STREAM_ID

#define PW_KEY_ENDPOINT_STREAM_ID   "endpoint-stream.id"

id of a stream

PW_KEY_ENDPOINT_STREAM_NAME

#define PW_KEY_ENDPOINT_STREAM_NAME   "endpoint-stream.name"

unique name of a stream

PW_KEY_ENDPOINT_STREAM_DESCRIPTION

#define PW_KEY_ENDPOINT_STREAM_DESCRIPTION   "endpoint-stream.description"

description of a stream

PW_KEY_ENDPOINT_LINK_OUTPUT_ENDPOINT

#define PW_KEY_ENDPOINT_LINK_OUTPUT_ENDPOINT   "endpoint-link.output.endpoint"

output endpoint of link

PW_KEY_ENDPOINT_LINK_OUTPUT_STREAM

#define PW_KEY_ENDPOINT_LINK_OUTPUT_STREAM   "endpoint-link.output.stream"

output stream of link

PW_KEY_ENDPOINT_LINK_INPUT_ENDPOINT

#define PW_KEY_ENDPOINT_LINK_INPUT_ENDPOINT   "endpoint-link.input.endpoint"

input endpoint of link

PW_KEY_ENDPOINT_LINK_INPUT_STREAM

#define PW_KEY_ENDPOINT_LINK_INPUT_STREAM   "endpoint-link.input.stream"

input stream of link

Function Documentation

pw_session_info_update()

static struct pw_session_info * pw_session_info_update ( struct pw_session_info * info, const struct pw_session_info * update )

inlinestatic

pw_session_info_free()

static void pw_session_info_free ( struct pw_session_info * info )

inlinestatic

pw_endpoint_info_update()

static struct pw_endpoint_info * pw_endpoint_info_update ( struct pw_endpoint_info * info, const struct pw_endpoint_info * update )

inlinestatic

pw_endpoint_info_free()

static void pw_endpoint_info_free ( struct pw_endpoint_info * info )

inlinestatic

pw_endpoint_stream_info_update()

static struct pw_endpoint_stream_info * pw_endpoint_stream_info_update ( struct pw_endpoint_stream_info * info, const struct pw_endpoint_stream_info * update )

inlinestatic

pw_endpoint_stream_info_free()

static void pw_endpoint_stream_info_free ( struct pw_endpoint_stream_info * info )

inlinestatic

pw_endpoint_link_info_update()

static struct pw_endpoint_link_info * pw_endpoint_link_info_update ( struct pw_endpoint_link_info * info, const struct pw_endpoint_link_info * update )

inlinestatic

pw_endpoint_link_info_free()

static void pw_endpoint_link_info_free ( struct pw_endpoint_link_info * info )

inlinestatic

Variable Documentation

update [1/2]

int(* pw_client_endpoint_methods::update) (void *object, #define PW_CLIENT_ENDPOINT_UPDATE_PARAMS #define PW_CLIENT_ENDPOINT_UPDATE_INFO uint32_t change_mask, uint32_t n_params, const struct spa_pod **params, const struct pw_endpoint_info *info)

Update endpoint information.

stream_update

int(* pw_client_endpoint_methods::stream_update) (void *object, uint32_t stream_id, #define PW_CLIENT_ENDPOINT_STREAM_UPDATE_PARAMS #define PW_CLIENT_ENDPOINT_STREAM_UPDATE_INFO #define PW_CLIENT_ENDPOINT_STREAM_UPDATE_DESTROYED uint32_t change_mask, uint32_t n_params, const struct spa_pod **params, const struct pw_endpoint_stream_info *info)

Update stream information.

update [2/2]

int(* pw_client_session_methods::update) (void *object, #define PW_CLIENT_SESSION_UPDATE_PARAMS #define PW_CLIENT_SESSION_UPDATE_INFO uint32_t change_mask, uint32_t n_params, const struct spa_pod **params, const struct pw_session_info *info)

Update session information.

link_update

int(* pw_client_session_methods::link_update) (void *object, uint32_t link_id, #define PW_CLIENT_SESSION_LINK_UPDATE_PARAMS #define PW_CLIENT_SESSION_LINK_UPDATE_INFO #define PW_CLIENT_SESSION_LINK_UPDATE_DESTROYED uint32_t change_mask, uint32_t n_params, const struct spa_pod **params, const struct pw_endpoint_link_info *info)

Update link information.