50 #define SPA_TYPE_INTERFACE_Device SPA_TYPE_INFO_INTERFACE_BASE "Device" 52 #define SPA_VERSION_DEVICE 0 61 #define SPA_VERSION_DEVICE_INFO 0 64 #define SPA_DEVICE_CHANGE_MASK_FLAGS (1u<<0) 65 #define SPA_DEVICE_CHANGE_MASK_PROPS (1u<<1) 66 #define SPA_DEVICE_CHANGE_MASK_PARAMS (1u<<2) 74 #define SPA_DEVICE_INFO_INIT() (struct spa_device_info){ SPA_VERSION_DEVICE_INFO, } 82 #define SPA_VERSION_DEVICE_OBJECT_INFO 0 88 #define SPA_DEVICE_OBJECT_CHANGE_MASK_FLAGS (1u<<0) 89 #define SPA_DEVICE_OBJECT_CHANGE_MASK_PROPS (1u<<1) 95 #define SPA_DEVICE_OBJECT_INFO_INIT() (struct spa_device_object_info){ SPA_VERSION_DEVICE_OBJECT_INFO, } 98 #define SPA_RESULT_TYPE_DEVICE_PARAMS 1 106 #define SPA_DEVICE_EVENT_INFO 0 107 #define SPA_DEVICE_EVENT_RESULT 1 108 #define SPA_DEVICE_EVENT_EVENT 2 109 #define SPA_DEVICE_EVENT_OBJECT_INFO 3 110 #define SPA_DEVICE_EVENT_NUM 4 119 #define SPA_VERSION_DEVICE_EVENTS 0 126 void (*
result) (
void *data,
int seq,
int res, uint32_t type,
const void *
result);
137 #define SPA_DEVICE_METHOD_ADD_LISTENER 0 138 #define SPA_DEVICE_METHOD_SYNC 1 139 #define SPA_DEVICE_METHOD_ENUM_PARAMS 2 140 #define SPA_DEVICE_METHOD_SET_PARAM 3 141 #define SPA_DEVICE_METHOD_NUM 4 149 #define SPA_VERSION_DEVICE_METHODS 0 186 int (*
sync) (
void *object,
int seq);
214 uint32_t id, uint32_t index, uint32_t max,
239 uint32_t id, uint32_t flags,
243 #define spa_device_method(o,method,version,...) \ 245 int _res = -ENOTSUP; \ 246 struct spa_device *_o = o; \ 247 spa_interface_call_res(&_o->iface, \ 248 struct spa_device_methods, _res, \ 249 method, version, ##__VA_ARGS__); \ 253 #define spa_device_add_listener(d,...) spa_device_method(d, add_listener, 0, __VA_ARGS__) 254 #define spa_device_sync(d,...) spa_device_method(d, sync, 0, __VA_ARGS__) 255 #define spa_device_enum_params(d,...) spa_device_method(d, enum_params, 0, __VA_ARGS__) 256 #define spa_device_set_param(d,...) spa_device_method(d, set_param, 0, __VA_ARGS__) 258 #define SPA_KEY_DEVICE_ENUM_API "device.enum.api" 260 #define SPA_KEY_DEVICE_API "device.api" 262 #define SPA_KEY_DEVICE_NAME "device.name" 263 #define SPA_KEY_DEVICE_ALIAS "device.alias" 264 #define SPA_KEY_DEVICE_NICK "device.nick" 265 #define SPA_KEY_DEVICE_DESCRIPTION "device.description" 266 #define SPA_KEY_DEVICE_ICON "device.icon" 268 #define SPA_KEY_DEVICE_ICON_NAME "device.icon-name" 270 #define SPA_KEY_DEVICE_PLUGGED_USEC "device.plugged.usec" 272 #define SPA_KEY_DEVICE_BUS_ID "device.bus-id" 273 #define SPA_KEY_DEVICE_BUS_PATH "device.bus-path" 276 #define SPA_KEY_DEVICE_BUS "device.bus" 279 #define SPA_KEY_DEVICE_SUBSYSTEM "device.subsystem" 280 #define SPA_KEY_DEVICE_SYSFS_PATH "device.sysfs.path" 282 #define SPA_KEY_DEVICE_VENDOR_ID "device.vendor.id" 283 #define SPA_KEY_DEVICE_VENDOR_NAME "device.vendor.name" 284 #define SPA_KEY_DEVICE_PRODUCT_ID "device.product.id" 285 #define SPA_KEY_DEVICE_PRODUCT_NAME "device.product.name" 286 #define SPA_KEY_DEVICE_SERIAL "device.serial" 287 #define SPA_KEY_DEVICE_CLASS "device.class" 288 #define SPA_KEY_DEVICE_CAPABILITIES "device.capabilities" 289 #define SPA_KEY_DEVICE_FORM_FACTOR "device.form-factor" 294 #define SPA_KEY_DEVICE_PROFILE "device.profile " 295 #define SPA_KEY_DEVICE_PROFILE_SET "device.profile-set" 296 #define SPA_KEY_DEVICE_STRING "device.string" uint64_t change_mask
Definition: device.h:105
void(* info)(void *data, const struct spa_device_info *info)
notify extra information about the device
Definition: device.h:146
struct spa_pod * param
Definition: device.h:120
uint32_t version
Definition: device.h:143
uint32_t id
Definition: device.h:117
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:351
spa_device_methods:
Definition: device.h:174
Information about a device object.
Definition: device.h:93
void(* event)(void *data, const struct spa_event *event)
a device event
Definition: device.h:152
uint32_t n_params
number of elements in params
Definition: device.h:82
void(* object_info)(void *data, uint32_t id, const struct spa_device_object_info *info)
info changed for an object managed by the device, info is NULL when the object is removed ...
Definition: device.h:156
int(* enum_params)(void *object, int seq, uint32_t id, uint32_t index, uint32_t max, const struct spa_pod *filter)
Enumerate the parameters of a device.
Definition: device.h:242
const char * type
the object type managed by this device
Definition: device.h:98
uint32_t index
Definition: device.h:118
uint32_t version
Definition: device.h:179
information about a parameter
Definition: param.h:70
Information about the device and parameters it supports.
Definition: device.h:67
uint32_t version
Definition: device.h:70
spa_device_events:
Definition: device.h:139
const char * factory_name
a factory name that implements the object
Definition: device.h:99
struct spa_interface iface
Definition: device.h:60
int(* set_param)(void *object, uint32_t id, uint32_t flags, const struct spa_pod *param)
Set the configurable parameter in device.
Definition: device.h:267
int(* add_listener)(void *object, struct spa_hook *listener, const struct spa_device_events *events, void *data)
Set events to receive asynchronous notifications from the device.
Definition: device.h:196
uint64_t flags
Definition: device.h:79
struct spa_param_info * params
supported parameters
Definition: device.h:81
uint64_t flags
Definition: device.h:106
uint64_t change_mask
Definition: device.h:78
int(* sync)(void *object, int seq)
Perform a sync operation.
Definition: device.h:215
void(* result)(void *data, int seq, int res, uint32_t type, const void *result)
notify a result
Definition: device.h:149
uint32_t version
Definition: device.h:96
uint32_t next
Definition: device.h:119