25#ifndef PIPEWIRE_DEVICE_H
26#define PIPEWIRE_DEVICE_H
37#define PW_TYPE_INTERFACE_Device PW_TYPE_INFO_INTERFACE_BASE "Device"
39#define PW_VERSION_DEVICE 3
45#define PW_DEVICE_CHANGE_MASK_PROPS (1 << 0)
46#define PW_DEVICE_CHANGE_MASK_PARAMS (1 << 1)
47#define PW_DEVICE_CHANGE_MASK_ALL ((1 << 2)-1)
65#define PW_DEVICE_EVENT_INFO 0
66#define PW_DEVICE_EVENT_PARAM 1
67#define PW_DEVICE_EVENT_NUM 2
71#define PW_VERSION_DEVICE_EVENTS 0
90 void (*
param) (
void *object,
int seq,
91 uint32_t
id, uint32_t index, uint32_t next,
96#define PW_DEVICE_METHOD_ADD_LISTENER 0
97#define PW_DEVICE_METHOD_SUBSCRIBE_PARAMS 1
98#define PW_DEVICE_METHOD_ENUM_PARAMS 2
99#define PW_DEVICE_METHOD_SET_PARAM 3
100#define PW_DEVICE_METHOD_NUM 4
104#define PW_VERSION_DEVICE_METHODS 0
143 int (*
set_param) (
void *object, uint32_t id, uint32_t flags,
147#define pw_device_method(o,method,version,...) \
149 int _res = -ENOTSUP; \
150 spa_interface_call_res((struct spa_interface*)o, \
151 struct pw_device_methods, _res, \
152 method, version, ##__VA_ARGS__); \
156#define pw_device_add_listener(c,...) pw_device_method(c,add_listener,0,__VA_ARGS__)
157#define pw_device_subscribe_params(c,...) pw_device_method(c,subscribe_params,0,__VA_ARGS__)
158#define pw_device_enum_params(c,...) pw_device_method(c,enum_params,0,__VA_ARGS__)
159#define pw_device_set_param(c,...) pw_device_method(c,set_param,0,__VA_ARGS__)
void pw_device_info_free(struct pw_device_info *info)
Free a pw_device_info.
Definition: introspect.c:463
struct pw_device_info * pw_device_info_merge(struct pw_device_info *info, const struct pw_device_info *update, bool reset)
Merge and existing pw_device_info with update.
Definition: introspect.c:410
struct pw_device_info * pw_device_info_update(struct pw_device_info *info, const struct pw_device_info *update)
Update and existing pw_device_info with update and reset.
Definition: introspect.c:456
user data to add to an object
Definition: filter.c:75
Device events.
Definition: src/pipewire/device.h:70
void(* info)(void *object, const struct pw_device_info *info)
Notify device info.
Definition: src/pipewire/device.h:78
void(* param)(void *object, int seq, uint32_t id, uint32_t index, uint32_t next, const struct spa_pod *param)
Notify a device param.
Definition: src/pipewire/device.h:90
uint32_t version
Definition: src/pipewire/device.h:72
The device information.
Definition: src/pipewire/device.h:43
uint32_t id
id of the global
Definition: src/pipewire/device.h:44
uint64_t change_mask
bitfield of changed fields since last call
Definition: src/pipewire/device.h:48
struct spa_dict * props
extra properties
Definition: src/pipewire/device.h:49
uint32_t n_params
number of items in params
Definition: src/pipewire/device.h:51
struct spa_param_info * params
parameters
Definition: src/pipewire/device.h:50
Device methods.
Definition: src/pipewire/device.h:103
int(* subscribe_params)(void *object, uint32_t *ids, uint32_t n_ids)
Subscribe to parameter changes.
Definition: src/pipewire/device.h:120
int(* enum_params)(void *object, int seq, uint32_t id, uint32_t start, uint32_t num, const struct spa_pod *filter)
Enumerate device parameters.
Definition: src/pipewire/device.h:134
int(* set_param)(void *object, uint32_t id, uint32_t flags, const struct spa_pod *param)
Set a parameter on the device.
Definition: src/pipewire/device.h:143
uint32_t version
Definition: src/pipewire/device.h:105
int(* add_listener)(void *object, struct spa_hook *listener, const struct pw_device_events *events, void *data)
Definition: src/pipewire/device.h:107
Definition: utils/dict.h:48
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:313
information about a parameter
Definition: param.h:64