19  #define SPA_API_DEVICE SPA_API_IMPL 
   21  #define SPA_API_DEVICE static inline 
   38#define SPA_TYPE_INTERFACE_Device       SPA_TYPE_INFO_INTERFACE_BASE "Device" 
   40#define SPA_VERSION_DEVICE              0 
   49#define SPA_VERSION_DEVICE_INFO 0 
   52#define SPA_DEVICE_CHANGE_MASK_FLAGS            (1u<<0) 
   53#define SPA_DEVICE_CHANGE_MASK_PROPS            (1u<<1) 
   54#define SPA_DEVICE_CHANGE_MASK_PARAMS           (1u<<2) 
   62#define SPA_DEVICE_INFO_INIT()  ((struct spa_device_info){ SPA_VERSION_DEVICE_INFO, }) 
   70#define SPA_VERSION_DEVICE_OBJECT_INFO 0 
 
   76#define SPA_DEVICE_OBJECT_CHANGE_MASK_FLAGS     (1u<<0) 
   77#define SPA_DEVICE_OBJECT_CHANGE_MASK_PROPS     (1u<<1) 
   83#define SPA_DEVICE_OBJECT_INFO_INIT()   ((struct spa_device_object_info){ SPA_VERSION_DEVICE_OBJECT_INFO, }) 
   86#define SPA_RESULT_TYPE_DEVICE_PARAMS   1 
   94#define SPA_DEVICE_EVENT_INFO           0 
   95#define SPA_DEVICE_EVENT_RESULT         1 
   96#define SPA_DEVICE_EVENT_EVENT          2 
   97#define SPA_DEVICE_EVENT_OBJECT_INFO    3 
   98#define SPA_DEVICE_EVENT_NUM            4 
 
  107#define SPA_VERSION_DEVICE_EVENTS       0 
 
  121        void (*object_info) (
void *data, uint32_t 
id,
 
  125#define SPA_DEVICE_METHOD_ADD_LISTENER  0 
  126#define SPA_DEVICE_METHOD_SYNC          1 
  127#define SPA_DEVICE_METHOD_ENUM_PARAMS   2 
  128#define SPA_DEVICE_METHOD_SET_PARAM     3 
  129#define SPA_DEVICE_METHOD_NUM           4 
  137#define SPA_VERSION_DEVICE_METHODS      0 
 
  174        int (*
sync) (
void *object, 
int seq);
 
  202                            uint32_t 
id, uint32_t index, uint32_t max,
 
  227                          uint32_t 
id, uint32_t flags,
 
  237                        listener, events, data);
 
  246                            uint32_t 
id, uint32_t index, uint32_t max,
 
  250                        seq, 
id, index, max, filter);
 
  253                          uint32_t 
id, uint32_t flags,
 
  260#define SPA_KEY_DEVICE_ENUM_API         "device.enum.api"        
 
  262#define SPA_KEY_DEVICE_API              "device.api"             
  264#define SPA_KEY_DEVICE_NAME             "device.name"            
  265#define SPA_KEY_DEVICE_ALIAS            "device.alias"           
  266#define SPA_KEY_DEVICE_NICK             "device.nick"            
  267#define SPA_KEY_DEVICE_DESCRIPTION      "device.description"     
  268#define SPA_KEY_DEVICE_ICON             "device.icon"            
  270#define SPA_KEY_DEVICE_ICON_NAME        "device.icon-name"       
 
  272#define SPA_KEY_DEVICE_PLUGGED_USEC     "device.plugged.usec"    
  274#define SPA_KEY_DEVICE_BUS_ID           "device.bus-id"          
  275#define SPA_KEY_DEVICE_BUS_PATH         "device.bus-path"        
 
  278#define SPA_KEY_DEVICE_BUS              "device.bus"             
  281#define SPA_KEY_DEVICE_SUBSYSTEM        "device.subsystem"       
  282#define SPA_KEY_DEVICE_SYSFS_PATH       "device.sysfs.path"      
 
  284#define SPA_KEY_DEVICE_VENDOR_ID        "device.vendor.id"       
  285#define SPA_KEY_DEVICE_VENDOR_NAME      "device.vendor.name"     
  286#define SPA_KEY_DEVICE_PRODUCT_ID       "device.product.id"      
  287#define SPA_KEY_DEVICE_PRODUCT_NAME     "device.product.name"    
  288#define SPA_KEY_DEVICE_SERIAL           "device.serial"          
  289#define SPA_KEY_DEVICE_CLASS            "device.class"           
 
  290#define SPA_KEY_DEVICE_CAPABILITIES     "device.capabilities"    
  291#define SPA_KEY_DEVICE_FORM_FACTOR      "device.form-factor"     
  296#define SPA_KEY_DEVICE_PROFILE          "device.profile"         
  297#define SPA_KEY_DEVICE_PROFILE_SET      "device.profile-set"     
  298#define SPA_KEY_DEVICE_STRING           "device.string"          
  300#define SPA_KEY_DEVICE_DEVIDS           "device.devids"          
uint32_t int seq
Definition core.h:432
uint32_t id
Definition core.h:432
uint32_t int int res
Definition core.h:433
SPA_API_DEVICE int spa_device_sync(struct spa_device *object, int seq)
Definition device.h:271
SPA_API_DEVICE int spa_device_set_param(struct spa_device *object, uint32_t id, uint32_t flags, const struct spa_pod *param)
Definition device.h:283
SPA_API_DEVICE int spa_device_enum_params(struct spa_device *object, int seq, uint32_t id, uint32_t index, uint32_t max, const struct spa_pod *filter)
Definition device.h:276
SPA_API_DEVICE int spa_device_add_listener(struct spa_device *object, struct spa_hook *listener, const struct spa_device_events *events, void *data)
Definition device.h:262
#define spa_api_method_r(rtype, def, type, o, method, version,...)
Definition hook.h:291
#define SPA_API_DEVICE
Definition device.h:28
spa_device_events:
Definition device.h:129
void(* result)(void *data, int seq, int res, uint32_t type, const void *result)
notify a result
Definition device.h:139
void(* event)(void *data, const struct spa_event *event)
a device event
Definition device.h:142
uint32_t version
Definition device.h:133
Information about the device and parameters it supports.
Definition device.h:57
uint64_t flags
Definition device.h:69
struct spa_param_info * params
supported parameters
Definition device.h:71
uint32_t version
Definition device.h:60
uint32_t n_params
number of elements in params
Definition device.h:72
uint64_t change_mask
Definition device.h:68
spa_device_methods:
Definition device.h:164
int(* sync)(void *object, int seq)
Perform a sync operation.
Definition device.h:205
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:232
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:257
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:186
Information about a device object.
Definition device.h:83
const char * type
the object type managed by this device
Definition device.h:88
uint64_t change_mask
Definition device.h:95
const char * factory_name
a factory name that implements the object
Definition device.h:89
uint64_t flags
Definition device.h:96
struct spa_interface iface
Definition device.h:50
A hook, contains the structure with functions and the data passed to the functions.
Definition hook.h:427
information about a parameter
Definition param.h:51
uint32_t index
Definition device.h:108
uint32_t next
Definition device.h:109