25 #ifndef PIPEWIRE_CORE_H 26 #define PIPEWIRE_CORE_H 54 #define PW_TYPE_INTERFACE_Core PW_TYPE_INFO_INTERFACE_BASE "Core" 55 #define PW_TYPE_INTERFACE_Registry PW_TYPE_INFO_INTERFACE_BASE "Registry" 57 #define PW_VERSION_CORE 3 59 #define PW_VERSION_REGISTRY 3 63 #define PW_DEFAULT_REMOTE "pipewire-0" 69 #define PW_ID_ANY (uint32_t)(0xffffffff) 80 #define PW_CORE_CHANGE_MASK_PROPS (1 << 0) 81 #define PW_CORE_CHANGE_MASK_ALL ((1 << 1)-1) 100 #define PW_CORE_EVENT_INFO 0 101 #define PW_CORE_EVENT_DONE 1 102 #define PW_CORE_EVENT_PING 2 103 #define PW_CORE_EVENT_ERROR 3 104 #define PW_CORE_EVENT_REMOVE_ID 4 105 #define PW_CORE_EVENT_BOUND_ID 5 106 #define PW_CORE_EVENT_ADD_MEM 6 107 #define PW_CORE_EVENT_REMOVE_MEM 7 108 #define PW_CORE_EVENT_NUM 8 115 #define PW_VERSION_CORE_EVENTS 0 135 void (*done) (
void *object, uint32_t
id,
int seq);
142 void (*ping) (
void *object, uint32_t
id,
int seq);
161 void (*error) (
void *object, uint32_t
id,
int seq,
int res,
const char *message);
173 void (*remove_id) (
void *object, uint32_t
id);
185 void (*bound_id) (
void *object, uint32_t
id, uint32_t global_id);
201 void (*add_mem) (
void *object, uint32_t
id, uint32_t type,
int fd, uint32_t flags);
208 void (*remove_mem) (
void *object, uint32_t
id);
211 #define PW_CORE_METHOD_ADD_LISTENER 0 212 #define PW_CORE_METHOD_HELLO 1 213 #define PW_CORE_METHOD_SYNC 2 214 #define PW_CORE_METHOD_PONG 3 215 #define PW_CORE_METHOD_ERROR 4 216 #define PW_CORE_METHOD_GET_REGISTRY 5 217 #define PW_CORE_METHOD_CREATE_OBJECT 6 218 #define PW_CORE_METHOD_DESTROY 7 219 #define PW_CORE_METHOD_NUM 8 230 #define PW_VERSION_CORE_METHODS 0 233 int (*add_listener) (
void *object,
242 int (*hello) (
void *object, uint32_t
version);
254 int (*
sync) (
void *object, uint32_t
id,
int seq);
262 int (*pong) (
void *object, uint32_t
id,
int seq);
279 int (*
error) (
void *object, uint32_t
id,
int seq,
int res,
const char *message);
288 struct pw_registry * (*get_registry) (
void *object, uint32_t
version,
289 size_t user_data_size);
300 void * (*create_object) (
void *object,
301 const char *factory_name,
305 size_t user_data_size);
313 int (*destroy) (
void *object,
void *proxy);
316 #define pw_core_method(o,method,version,...) \ 318 int _res = -ENOTSUP; \ 319 spa_interface_call_res((struct spa_interface*)o, \ 320 struct pw_core_methods, _res, \ 321 method, version, ##__VA_ARGS__); \ 325 #define pw_core_add_listener(c,...) pw_core_method(c,add_listener,0,__VA_ARGS__) 326 #define pw_core_hello(c,...) pw_core_method(c,hello,0,__VA_ARGS__) 327 #define pw_core_sync(c,...) pw_core_method(c,sync,0,__VA_ARGS__) 328 #define pw_core_pong(c,...) pw_core_method(c,pong,0,__VA_ARGS__) 329 #define pw_core_error(c,...) pw_core_method(c,error,0,__VA_ARGS__) 334 pw_core_errorv(struct pw_core *core, uint32_t
id,
int seq,
335 int res, const
char *message, va_list args)
338 vsnprintf(buffer,
sizeof(buffer), message, args);
345 pw_core_errorf(
struct pw_core *core, uint32_t
id,
int seq,
346 int res,
const char *message, ...)
350 va_start(args, message);
351 r = pw_core_errorv(core,
id, seq, res, message, args);
356 static inline struct pw_registry *
357 pw_core_get_registry(
struct pw_core *core, uint32_t
version,
size_t user_data_size)
359 struct pw_registry *res = NULL;
362 get_registry, 0, version, user_data_size);
367 pw_core_create_object(
struct pw_core *core,
368 const char *factory_name,
372 size_t user_data_size)
377 create_object, 0, factory_name,
378 type, version, props, user_data_size);
382 #define pw_core_destroy(c,...) pw_core_method(c,destroy,0,__VA_ARGS__) 423 #define PW_REGISTRY_EVENT_GLOBAL 0 424 #define PW_REGISTRY_EVENT_GLOBAL_REMOVE 1 425 #define PW_REGISTRY_EVENT_NUM 2 429 #define PW_VERSION_REGISTRY_EVENTS 0 443 void (*global) (
void *object, uint32_t
id,
444 uint32_t permissions,
const char *type, uint32_t
version,
455 void (*global_remove) (
void *object, uint32_t
id);
458 #define PW_REGISTRY_METHOD_ADD_LISTENER 0 459 #define PW_REGISTRY_METHOD_BIND 1 460 #define PW_REGISTRY_METHOD_DESTROY 2 461 #define PW_REGISTRY_METHOD_NUM 3 465 #define PW_VERSION_REGISTRY_METHODS 0 468 int (*add_listener) (
void *object,
484 void * (*bind) (
void *object, uint32_t
id,
const char *type, uint32_t
version,
485 size_t use_data_size);
494 int (*destroy) (
void *object, uint32_t
id);
497 #define pw_registry_method(o,method,version,...) \ 499 int _res = -ENOTSUP; \ 500 spa_interface_call_res((struct spa_interface*)o, \ 501 struct pw_registry_methods, _res, \ 502 method, version, ##__VA_ARGS__); \ 507 #define pw_registry_add_listener(p,...) pw_registry_method(p,add_listener,0,__VA_ARGS__) 510 pw_registry_bind(
struct pw_registry *
registry,
511 uint32_t
id,
const char *type, uint32_t version,
512 size_t user_data_size)
517 bind, 0,
id, type, version, user_data_size);
521 #define pw_registry_destroy(p,...) pw_registry_method(p,destroy,0,__VA_ARGS__) 545 size_t user_data_size);
561 size_t user_data_size);
574 size_t user_data_size);
617 size_t user_data_size );
#define spa_interface_call_res(iface, method_type, res, method, vers,...)
Invoke method named method in the callbacks on the given interface object.
Definition: hook.h:208
Definition: media-session.c:119
uint32_t version
Definition: core.h:430
Definition: properties.h:49
int pw_core_update_properties(struct pw_core *core, const struct spa_dict *dict)
Update the core properties.
Definition: core.c:143
struct spa_dict * props
extra properties
Definition: core.h:83
uint64_t change_mask
bitfield of changed fields since last call
Definition: core.h:82
Core events.
Definition: core.h:114
void(* error)(void *object, uint32_t id, int seq, int res, const char *message)
Fatal error event.
Definition: core.h:161
struct pw_client * pw_core_get_client(struct pw_core *core)
Get the client proxy of the connected core.
Definition: core.c:262
const char * host_name
name of the machine the core is running on
Definition: core.h:77
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:295
Core methods.
Definition: core.h:229
struct spa_dict dict
dictionary of key/values
Definition: properties.h:50
uint32_t version
Definition: core.h:116
uint32_t cookie
a random cookie for identifying this instance of PipeWire
Definition: core.h:75
uint32_t id
id of the global
Definition: core.h:74
The core information.
Definition: core.h:73
struct pw_core * pw_context_connect(struct pw_context *context, struct pw_properties *properties, size_t user_data_size)
Connect to a PipeWire instance.
Definition: core.c:401
Registry events.
Definition: core.h:428
Definition: utils/dict.h:48
#define SPA_PRINTF_FUNC(fmt, arg1)
Definition: defs.h:205
#define pw_core_error(c,...)
Definition: core.h:329
const char * version
version of the core
Definition: core.h:78
struct pw_mempool * pw_core_get_mempool(struct pw_core *core)
Get the core mempool object.
Definition: core.c:482
int pw_core_steal_fd(struct pw_core *core)
Steal the fd of the core connection or < 0 on error.
Definition: core.c:467
struct pw_core * pw_context_connect_self(struct pw_context *context, struct pw_properties *properties, size_t user_data_size)
Connect to a given PipeWire instance.
Definition: core.c:453
int pw_core_disconnect(struct pw_core *core)
disconnect and destroy a core
Definition: core.c:488
struct pw_context * pw_core_get_context(struct pw_core *core)
Get the context object used to created this core.
Definition: core.c:131
struct pw_proxy * pw_core_export(struct pw_core *core, const char *type, const struct spa_dict *props, void *object, size_t user_data_size)
Export an object into the PipeWire instance associated with core.
Definition: core.c:274
const char * user_name
name of the user that started the core
Definition: core.h:76
uint32_t version
Definition: core.h:466
struct pw_proxy * pw_core_find_proxy(struct pw_core *core, uint32_t id)
Get the proxy with the given id.
Definition: core.c:268
void pw_core_info_free(struct pw_core_info *info)
Free a pw_core_info.
Definition: introspect.c:156
int pw_core_set_paused(struct pw_core *core, bool paused)
Pause or resume the core.
Definition: core.c:475
Registry methods.
Definition: core.h:464
const struct pw_properties * pw_core_get_properties(struct pw_core *core)
Get properties from the core.
Definition: core.c:137
uint32_t version
Definition: core.h:231
Definition: pipewire.c:76
struct pw_core_info * pw_core_info_update(struct pw_core_info *info, const struct pw_core_info *update)
Update and existing pw_core_info with update.
Definition: introspect.c:127
void * pw_core_get_user_data(struct pw_core *core)
Get the user_data.
Definition: core.c:161
A memory pool is a collection of pw_memblocks.
Definition: src/pipewire/mem.h:72
const char * name
name of the core
Definition: core.h:79
struct pw_core * pw_context_connect_fd(struct pw_context *context, int fd, struct pw_properties *properties, size_t user_data_size)
Connect to a PipeWire instance on the given socket.
Definition: core.c:428
user data to add to an object
Definition: filter.c:75