PipeWire  0.3.27
link.h File Reference

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Data Structures

struct  pw_link_info
 The link information. More...
 
struct  pw_link_events
 Link events. More...
 
struct  pw_link_methods
 Link methods. More...
 

Macros

#define PW_TYPE_INTERFACE_Link   PW_TYPE_INFO_INTERFACE_BASE "Link"
 
#define PW_VERSION_LINK   3
 
#define PW_LINK_CHANGE_MASK_STATE   (1 << 0)
 
#define PW_LINK_CHANGE_MASK_FORMAT   (1 << 1)
 
#define PW_LINK_CHANGE_MASK_PROPS   (1 << 2)
 
#define PW_LINK_CHANGE_MASK_ALL   ((1 << 3)-1)
 
#define PW_LINK_EVENT_INFO   0
 
#define PW_LINK_EVENT_NUM   1
 
#define PW_VERSION_LINK_EVENTS   0
 
#define PW_LINK_METHOD_ADD_LISTENER   0
 
#define PW_LINK_METHOD_NUM   1
 
#define PW_VERSION_LINK_METHODS   0
 
#define pw_link_method(o, method, version, ...)
 
#define pw_link_add_listener(c, ...)   pw_link_method(c,add_listener,0,__VA_ARGS__)
 

Enumerations

enum  pw_link_state {
  PW_LINK_STATE_ERROR = -2, PW_LINK_STATE_UNLINKED = -1, PW_LINK_STATE_INIT = 0, PW_LINK_STATE_NEGOTIATING = 1,
  PW_LINK_STATE_ALLOCATING = 2, PW_LINK_STATE_PAUSED = 3, PW_LINK_STATE_ACTIVE = 4
}
 The different link states. More...
 

Functions

struct pw_link_infopw_link_info_update (struct pw_link_info *info, const struct pw_link_info *update)
 
void pw_link_info_free (struct pw_link_info *info)
 

Macro Definition Documentation

◆ pw_link_add_listener

#define pw_link_add_listener (   c,
  ... 
)    pw_link_method(c,add_listener,0,__VA_ARGS__)

◆ PW_LINK_CHANGE_MASK_ALL

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

◆ PW_LINK_CHANGE_MASK_FORMAT

#define PW_LINK_CHANGE_MASK_FORMAT   (1 << 1)

◆ PW_LINK_CHANGE_MASK_PROPS

#define PW_LINK_CHANGE_MASK_PROPS   (1 << 2)

◆ PW_LINK_CHANGE_MASK_STATE

#define PW_LINK_CHANGE_MASK_STATE   (1 << 0)

◆ PW_LINK_EVENT_INFO

#define PW_LINK_EVENT_INFO   0

◆ PW_LINK_EVENT_NUM

#define PW_LINK_EVENT_NUM   1

◆ pw_link_method

#define pw_link_method (   o,
  method,
  version,
  ... 
)
Value:
({ \
int _res = -ENOTSUP; \
spa_interface_call_res((struct spa_interface*)o, \
struct pw_link_methods, _res, \
method, version, ##__VA_ARGS__); \
_res; \
})

◆ PW_LINK_METHOD_ADD_LISTENER

#define PW_LINK_METHOD_ADD_LISTENER   0

◆ PW_LINK_METHOD_NUM

#define PW_LINK_METHOD_NUM   1

◆ PW_TYPE_INTERFACE_Link

#define PW_TYPE_INTERFACE_Link   PW_TYPE_INFO_INTERFACE_BASE "Link"

◆ PW_VERSION_LINK

#define PW_VERSION_LINK   3

◆ PW_VERSION_LINK_EVENTS

#define PW_VERSION_LINK_EVENTS   0

◆ PW_VERSION_LINK_METHODS

#define PW_VERSION_LINK_METHODS   0

Enumeration Type Documentation

◆ pw_link_state

The different link states.

Enumerator
PW_LINK_STATE_ERROR 

the link is in error

PW_LINK_STATE_UNLINKED 

the link is unlinked

PW_LINK_STATE_INIT 

the link is initialized

PW_LINK_STATE_NEGOTIATING 

the link is negotiating formats

PW_LINK_STATE_ALLOCATING 

the link is allocating buffers

PW_LINK_STATE_PAUSED 

the link is paused

PW_LINK_STATE_ACTIVE 

the link is active

Function Documentation

◆ pw_link_info_free()

void pw_link_info_free ( struct pw_link_info info)

◆ pw_link_info_update()