5 #ifndef PIPEWIRE_LINK_H
6 #define PIPEWIRE_LINK_H
12 #include <spa/utils/defs.h>
13 #include <spa/utils/hook.h>
15 #include <pipewire/proxy.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