25 #ifndef PIPEWIRE_LINK_H 26 #define PIPEWIRE_LINK_H 52 #define PW_TYPE_INTERFACE_Link PW_TYPE_INFO_INTERFACE_BASE "Link" 54 #define PW_VERSION_LINK 3 77 #define PW_LINK_CHANGE_MASK_STATE (1 << 0) 78 #define PW_LINK_CHANGE_MASK_FORMAT (1 << 1) 79 #define PW_LINK_CHANGE_MASK_PROPS (1 << 2) 80 #define PW_LINK_CHANGE_MASK_ALL ((1 << 3)-1) 96 #define PW_LINK_EVENT_INFO 0 97 #define PW_LINK_EVENT_NUM 1 101 #define PW_VERSION_LINK_EVENTS 0 111 #define PW_LINK_METHOD_ADD_LISTENER 0 112 #define PW_LINK_METHOD_NUM 1 116 #define PW_VERSION_LINK_METHODS 0 125 #define pw_link_method(o,method,version,...) \ 127 int _res = -ENOTSUP; \ 128 spa_interface_call_res((struct spa_interface*)o, \ 129 struct pw_link_methods, _res, \ 130 method, version, ##__VA_ARGS__); \ 134 #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:82
the link is initialized
Definition: link.h:61
void(* info)(void *object, const struct pw_link_info *info)
Notify link info.
Definition: link.h:108
uint32_t output_port_id
output port id
Definition: link.h:74
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:76
struct spa_pod * format
format over link
Definition: link.h:84
the link is active
Definition: link.h:65
uint64_t change_mask
bitfield of changed fields since last call
Definition: link.h:81
the link is unlinked
Definition: link.h:60
uint32_t id
id of the global
Definition: link.h:72
const char * pw_link_state_as_string(enum pw_link_state state)
Convert a pw_link_state to a readable string.
Definition: introspect.c:64
Definition: utils/dict.h:48
uint32_t version
Definition: link.h:102
const char * error
an error reason if state is error
Definition: link.h:83
void pw_link_info_free(struct pw_link_info *info)
Definition: introspect.c:491
Link methods.
Definition: link.h:115
the link is in error
Definition: link.h:59
The link information.
Definition: link.h:71
struct spa_dict * props
the properties of the link
Definition: link.h:85
pw_link_state
The different link states.
Definition: link.h:58
int(* add_listener)(void *object, struct spa_hook *listener, const struct pw_link_events *events, void *data)
Definition: link.h:119
the link is allocating buffers
Definition: link.h:63
uint32_t version
Definition: link.h:117
uint32_t input_port_id
input port id
Definition: link.h:76
uint32_t input_node_id
server side input node id
Definition: link.h:75
the link is negotiating formats
Definition: link.h:62
uint32_t output_node_id
server side output node id
Definition: link.h:73
the link is paused
Definition: link.h:64
struct pw_link_info * pw_link_info_update(struct pw_link_info *info, const struct pw_link_info *update)
Definition: introspect.c:453