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25 #ifndef PIPEWIRE_PORT_H
26 #define PIPEWIRE_PORT_H
35 #include <spa/utils/defs.h>
36 #include <spa/utils/hook.h>
37 #include <spa/param/param.h>
41 #define PW_TYPE_INTERFACE_Port PW_TYPE_INFO_INTERFACE_BASE "Port"
43 #define PW_VERSION_PORT 3
65 #define PW_PORT_CHANGE_MASK_PROPS (1 << 0)
66 #define PW_PORT_CHANGE_MASK_PARAMS (1 << 1)
67 #define PW_PORT_CHANGE_MASK_ALL ((1 << 2)-1)
81 #define PW_PORT_EVENT_INFO 0
82 #define PW_PORT_EVENT_PARAM 1
83 #define PW_PORT_EVENT_NUM 2
87 #define PW_VERSION_PORT_EVENTS 0
107 uint32_t
id, uint32_t index, uint32_t next,
108 const struct spa_pod *
param);
111 #define PW_PORT_METHOD_ADD_LISTENER 0
112 #define PW_PORT_METHOD_SUBSCRIBE_PARAMS 1
113 #define PW_PORT_METHOD_ENUM_PARAMS 2
114 #define PW_PORT_METHOD_NUM 3
118 #define PW_VERSION_PORT_METHODS 0
122 struct spa_hook *listener,
149 uint32_t
id, uint32_t start, uint32_t num,
150 const struct spa_pod *
filter);
153 #define pw_port_method(o,method,version,...) \
155 int _res = -ENOTSUP; \
156 spa_interface_call_res((struct spa_interface*)o, \
157 struct pw_port_methods, _res, \
158 method, version, ##__VA_ARGS__); \
162 #define pw_port_add_listener(c,...) pw_port_method(c,add_listener,0,__VA_ARGS__)
163 #define pw_port_subscribe_params(c,...) pw_port_method(c,subscribe_params,0,__VA_ARGS__)
164 #define pw_port_enum_params(c,...) pw_port_method(c,enum_params,0,__VA_ARGS__)
static uint32_t id
Definition: core.h:322
Port methods.
Definition: port.h:117
uint64_t change_mask
bitfield of changed fields since last call
Definition: port.h:68
enum pw_direction direction
port direction
Definition: port.h:64
uint32_t n_params
number of items in params
Definition: port.h:71
uint32_t version
Definition: port.h:88
void pw_port_info_free(struct pw_port_info *info)
Definition: introspect.c:283
Port events.
Definition: port.h:86
const char * pw_direction_as_string(enum pw_direction direction)
Convert a pw_direction to a readable string.
Definition: introspect.c:52
@ PW_DIRECTION_INPUT
an input port direction
Definition: port.h:48
struct pw_port_info * pw_port_info_update(struct pw_port_info *info, const struct pw_port_info *update)
Definition: introspect.c:237
struct spa_dict * props
the properties of the port
Definition: port.h:69
uint32_t version
Definition: port.h:119
struct spa_param_info * params
parameters
Definition: port.h:70
void(* info)(void *object, const struct pw_port_info *info)
Notify port info.
Definition: port.h:94
pw_direction
Definition: port.h:47
int(* subscribe_params)(void *object, uint32_t *ids, uint32_t n_ids)
Subscribe to parameter changes.
Definition: port.h:134
uint32_t id
id of the global
Definition: port.h:63
int(* add_listener)(void *object, struct spa_hook *listener, const struct pw_port_events *events, void *data)
Definition: port.h:121
static uint32_t int seq
Definition: core.h:322
@ PW_DIRECTION_OUTPUT
an output port direction
Definition: port.h:49
void(* param)(void *object, int seq, uint32_t id, uint32_t index, uint32_t next, const struct spa_pod *param)
Notify a port param.
Definition: port.h:106
int(* enum_params)(void *object, int seq, uint32_t id, uint32_t start, uint32_t num, const struct spa_pod *filter)
Enumerate port parameters.
Definition: port.h:148