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) 62 #define PW_DEVICE_EVENT_INFO 0 63 #define PW_DEVICE_EVENT_PARAM 1 64 #define PW_DEVICE_EVENT_NUM 2 68 #define PW_VERSION_DEVICE_EVENTS 0 88 uint32_t
id, uint32_t index, uint32_t next,
93 #define PW_DEVICE_METHOD_ADD_LISTENER 0 94 #define PW_DEVICE_METHOD_SUBSCRIBE_PARAMS 1 95 #define PW_DEVICE_METHOD_ENUM_PARAMS 2 96 #define PW_DEVICE_METHOD_SET_PARAM 3 97 #define PW_DEVICE_METHOD_NUM 4 101 #define PW_VERSION_DEVICE_METHODS 0 144 #define pw_device_method(o,method,version,...) \ 146 int _res = -ENOTSUP; \ 147 spa_interface_call_res((struct spa_interface*)o, \ 148 struct pw_device_methods, _res, \ 149 method, version, ##__VA_ARGS__); \ 153 #define pw_device_add_listener(c,...) pw_device_method(c,add_listener,0,__VA_ARGS__) 154 #define pw_device_subscribe_params(c,...) pw_device_method(c,subscribe_params,0,__VA_ARGS__) 155 #define pw_device_enum_params(c,...) pw_device_method(c,enum_params,0,__VA_ARGS__) 156 #define pw_device_set_param(c,...) pw_device_method(c,set_param,0,__VA_ARGS__) struct spa_dict * props
extra properties
Definition: src/pipewire/device.h:49
void(* info)(void *object, const struct pw_device_info *info)
Notify device info.
Definition: src/pipewire/device.h:75
uint32_t version
Definition: src/pipewire/device.h:69
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:76
void pw_device_info_free(struct pw_device_info *info)
Free a pw_device_info.
Definition: introspect.c:412
static uint32_t int seq
Definition: core.h:328
uint64_t change_mask
bitfield of changed fields since last call
Definition: src/pipewire/device.h:48
Definition: utils/dict.h:48
static uint32_t id
Definition: core.h:328
The device information.
Definition: src/pipewire/device.h:43
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.
Definition: introspect.c:368
Device methods.
Definition: src/pipewire/device.h:100
int(* subscribe_params)(void *object, uint32_t *ids, uint32_t n_ids)
Subscribe to parameter changes.
Definition: src/pipewire/device.h:117
information about a parameter
Definition: param.h:63
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:131
struct spa_param_info * params
parameters
Definition: src/pipewire/device.h:50
uint32_t n_params
number of items in params
Definition: src/pipewire/device.h:51
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:87
uint32_t id
id of the global
Definition: src/pipewire/device.h:44
Device events.
Definition: src/pipewire/device.h:67
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:140
uint32_t version
Definition: src/pipewire/device.h:102
int(* add_listener)(void *object, struct spa_hook *listener, const struct pw_device_events *events, void *data)
Definition: src/pipewire/device.h:104