PipeWire: device.h File Reference

PipeWire 0.3.12

Data Structures | Macros
device.h File Reference
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## Data Structures
struct | pw_device_info
| The device information. More...
struct | pw_device_events
| Device events. More...
struct | pw_device_methods
| Device methods. More...

## Macros
#define | PW_TYPE_INTERFACE_Device PW_TYPE_INFO_INTERFACE_BASE "Device"
#define | PW_VERSION_DEVICE 3
#define | PW_DEVICE_CHANGE_MASK_PROPS (1 << 0)
#define | PW_DEVICE_CHANGE_MASK_PARAMS (1 << 1)
#define | PW_DEVICE_CHANGE_MASK_ALL ((1 << 2)-1)
#define | PW_DEVICE_EVENT_INFO 0
#define | PW_DEVICE_EVENT_PARAM 1
#define | PW_DEVICE_EVENT_NUM 2
#define | PW_VERSION_DEVICE_EVENTS 0
#define | PW_DEVICE_METHOD_ADD_LISTENER 0
#define | PW_DEVICE_METHOD_SUBSCRIBE_PARAMS 1
#define | PW_DEVICE_METHOD_ENUM_PARAMS 2
#define | PW_DEVICE_METHOD_SET_PARAM 3
#define | PW_DEVICE_METHOD_NUM 4
#define | PW_VERSION_DEVICE_METHODS 0
#define | pw_device_method(o, method, version, ...)
#define | pw_device_add_listener(c, ...) pw_device_method(c,add_listener,0,__VA_ARGS__)
#define | pw_device_subscribe_params(c, ...) pw_device_method(c,subscribe_params,0,__VA_ARGS__)
#define | pw_device_enum_params(c, ...) pw_device_method(c,enum_params,0,__VA_ARGS__)
#define | pw_device_set_param(c, ...) pw_device_method(c,set_param,0,__VA_ARGS__)

## Macro Definition Documentation

## ◆ pw_device_add_listener

#define pw_device_add_listener | ( |  | c,
|  |  | ...
| ) |  | pw_device_method(c,add_listener,0,__VA_ARGS__)

## ◆ PW_DEVICE_CHANGE_MASK_ALL

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

## ◆ PW_DEVICE_CHANGE_MASK_PARAMS

#define PW_DEVICE_CHANGE_MASK_PARAMS (1 << 1)

## ◆ PW_DEVICE_CHANGE_MASK_PROPS

#define PW_DEVICE_CHANGE_MASK_PROPS (1 << 0)

## ◆ pw_device_enum_params

#define pw_device_enum_params | ( |  | c,
|  |  | ...
| ) |  | pw_device_method(c,enum_params,0,__VA_ARGS__)

## ◆ PW_DEVICE_EVENT_INFO

#define PW_DEVICE_EVENT_INFO 0

## ◆ PW_DEVICE_EVENT_NUM

#define PW_DEVICE_EVENT_NUM 2

## ◆ PW_DEVICE_EVENT_PARAM

#define PW_DEVICE_EVENT_PARAM 1

## ◆ pw_device_method

#define pw_device_method | ( |  | o,
|  |  | method,
|  |  | version,
|  |  | ...
| ) |  |

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

## ◆ PW_DEVICE_METHOD_ADD_LISTENER

#define PW_DEVICE_METHOD_ADD_LISTENER 0

## ◆ PW_DEVICE_METHOD_ENUM_PARAMS

#define PW_DEVICE_METHOD_ENUM_PARAMS 2

## ◆ PW_DEVICE_METHOD_NUM

#define PW_DEVICE_METHOD_NUM 4

## ◆ PW_DEVICE_METHOD_SET_PARAM

#define PW_DEVICE_METHOD_SET_PARAM 3

## ◆ PW_DEVICE_METHOD_SUBSCRIBE_PARAMS

#define PW_DEVICE_METHOD_SUBSCRIBE_PARAMS 1

## ◆ pw_device_set_param

#define pw_device_set_param | ( |  | c,
|  |  | ...
| ) |  | pw_device_method(c,set_param,0,__VA_ARGS__)

## ◆ pw_device_subscribe_params

#define pw_device_subscribe_params | ( |  | c,
|  |  | ...
| ) |  | pw_device_method(c,subscribe_params,0,__VA_ARGS__)

## ◆ PW_TYPE_INTERFACE_Device

#define PW_TYPE_INTERFACE_Device PW_TYPE_INFO_INTERFACE_BASE "Device"

## ◆ PW_VERSION_DEVICE

#define PW_VERSION_DEVICE 3

## ◆ PW_VERSION_DEVICE_EVENTS

#define PW_VERSION_DEVICE_EVENTS 0

## ◆ PW_VERSION_DEVICE_METHODS

#define PW_VERSION_DEVICE_METHODS 0

pw_device_methods
Device methods.
Definition: device.h:100