25 #ifndef PIPEWIRE_LINK_H 26 #define PIPEWIRE_LINK_H 32 #include <spa/utils/defs.h> 33 #include <spa/utils/hook.h> 37 #define PW_TYPE_INTERFACE_Link PW_TYPE_INFO_INTERFACE_BASE "Link" 39 #define PW_VERSION_LINK 3 62 #define PW_LINK_CHANGE_MASK_STATE (1 << 0) 63 #define PW_LINK_CHANGE_MASK_FORMAT (1 << 1) 64 #define PW_LINK_CHANGE_MASK_PROPS (1 << 2) 65 #define PW_LINK_CHANGE_MASK_ALL ((1 << 3)-1) 81 #define PW_LINK_EVENT_INFO 0 82 #define PW_LINK_EVENT_NUM 1 86 #define PW_VERSION_LINK_EVENTS 0 96 #define PW_LINK_METHOD_ADD_LISTENER 0 97 #define PW_LINK_METHOD_NUM 1 101 #define PW_VERSION_LINK_METHODS 0 105 struct spa_hook *listener,
110 #define pw_link_method(o,method,version,...) \ 112 int _res = -ENOTSUP; \ 113 spa_interface_call_res((struct spa_interface*)o, \ 114 struct pw_link_methods, _res, \ 115 method, version, ##__VA_ARGS__); \ 119 #define pw_link_add_listener(c,...) pw_link_method(c,add_listener,0,__VA_ARGS__) Link events.
Definition: link.h:85
enum pw_link_state state
the current state of the link
Definition: link.h:67
the link is paused
Definition: link.h:49
void(* info)(void *object, const struct pw_link_info *info)
Notify link info.
Definition: link.h:93
pw_link_state
The different link states.
Definition: link.h:43
uint32_t output_port_id
output port id
Definition: link.h:59
the link is in error
Definition: link.h:44
struct spa_pod * format
format over link
Definition: link.h:69
uint64_t change_mask
bitfield of changed fields since last call
Definition: link.h:66
uint32_t id
id of the global
Definition: link.h:57
the link is negotiating formats
Definition: link.h:47
the link is allocating buffers
Definition: link.h:48
uint32_t version
Definition: link.h:87
const char * error
an error reason if state is error
Definition: link.h:68
the link is active
Definition: link.h:50
Link methods.
Definition: link.h:100
the link is unlinked
Definition: link.h:45
the link is initialized
Definition: link.h:46
The link information.
Definition: link.h:56
struct spa_dict * props
the properties of the link
Definition: link.h:70
int(* add_listener)(void *object, struct spa_hook *listener, const struct pw_link_events *events, void *data)
Definition: link.h:104
uint32_t version
Definition: link.h:102
uint32_t input_port_id
input port id
Definition: link.h:61
uint32_t input_node_id
server side input node id
Definition: link.h:60
uint32_t output_node_id
server side output node id
Definition: link.h:58
void pw_link_info_free(struct pw_link_info *info)
Definition: introspect.c:491
struct pw_link_info * pw_link_info_update(struct pw_link_info *info, const struct pw_link_info *update)
Definition: introspect.c:453
SPA_EXPORT const char * pw_link_state_as_string(enum pw_link_state state)
Definition: introspect.c:64