5 #ifndef PIPEWIRE_LINK_H 6 #define PIPEWIRE_LINK_H 32 #define PW_TYPE_INTERFACE_Link PW_TYPE_INFO_INTERFACE_BASE "Link" 34 #define PW_LINK_PERM_MASK PW_PERM_R | PW_PERM_X 36 #define PW_VERSION_LINK 3 59 #define PW_LINK_CHANGE_MASK_STATE (1 << 0) 60 #define PW_LINK_CHANGE_MASK_FORMAT (1 << 1) 61 #define PW_LINK_CHANGE_MASK_PROPS (1 << 2) 62 #define PW_LINK_CHANGE_MASK_ALL ((1 << 3)-1) 82 #define PW_LINK_EVENT_INFO 0 83 #define PW_LINK_EVENT_NUM 1 87 #define PW_VERSION_LINK_EVENTS 0 97 #define PW_LINK_METHOD_ADD_LISTENER 0 98 #define PW_LINK_METHOD_NUM 1 102 #define PW_VERSION_LINK_METHODS 0 111 #define pw_link_method(o,method,version,...) \ 113 int _res = -ENOTSUP; \ 114 spa_interface_call_res((struct spa_interface*)o, \ 115 struct pw_link_methods, _res, \ 116 method, version, ##__VA_ARGS__); \ 120 #define pw_link_add_listener(c,...) pw_link_method(c,add_listener,0,__VA_ARGS__) Link events.
Definition: link.h:100
enum pw_link_state state
the current state of the link
Definition: link.h:76
the link is initialized
Definition: link.h:51
uint32_t output_port_id
output port id
Definition: link.h:64
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:350
struct spa_pod * format
format over link
Definition: link.h:78
the link is active
Definition: link.h:55
uint64_t change_mask
bitfield of changed fields since last call
Definition: link.h:75
the link is unlinked
Definition: link.h:50
void(* info)(void *data, const struct pw_link_info *info)
Notify link info.
Definition: link.h:109
uint32_t id
id of the global
Definition: link.h:62
const char * pw_link_state_as_string(enum pw_link_state state)
Convert a pw_link_state to a readable string.
Definition: introspect.c:45
uint32_t version
Definition: link.h:103
const char * error
an error reason if state is error
Definition: link.h:77
void pw_link_info_free(struct pw_link_info *info)
Definition: introspect.c:567
Link methods.
Definition: link.h:118
the link is in error
Definition: link.h:49
The link information.
Definition: link.h:61
struct pw_link_info * pw_link_info_merge(struct pw_link_info *info, const struct pw_link_info *update, bool reset)
Definition: introspect.c:521
pw_link_state
The different link states.
Definition: link.h:48
int(* add_listener)(void *object, struct spa_hook *listener, const struct pw_link_events *events, void *data)
Definition: link.h:123
the link is allocating buffers
Definition: link.h:53
uint32_t input_port_id
input port id
Definition: link.h:66
uint32_t input_node_id
server side input node id
Definition: link.h:65
the link is negotiating formats
Definition: link.h:52
uint32_t output_node_id
server side output node id
Definition: link.h:63
the link is paused
Definition: link.h:54
struct pw_link_info * pw_link_info_update(struct pw_link_info *info, const struct pw_link_info *update)
Definition: introspect.c:560