25 #ifndef PIPEWIRE_PORT_H
26 #define PIPEWIRE_PORT_H
50 #define PW_TYPE_INTERFACE_Port PW_TYPE_INFO_INTERFACE_BASE "Port"
52 #define PW_VERSION_PORT 3
56 #define pw_direction spa_direction
57 #define PW_DIRECTION_INPUT SPA_DIRECTION_INPUT
58 #define PW_DIRECTION_OUTPUT SPA_DIRECTION_OUTPUT
66 #define PW_PORT_CHANGE_MASK_PROPS (1 << 0)
67 #define PW_PORT_CHANGE_MASK_PARAMS (1 << 1)
68 #define PW_PORT_CHANGE_MASK_ALL ((1 << 2)-1)
82 #define PW_PORT_EVENT_INFO 0
83 #define PW_PORT_EVENT_PARAM 1
84 #define PW_PORT_EVENT_NUM 2
88 #define PW_VERSION_PORT_EVENTS 0
108 uint32_t
id, uint32_t index, uint32_t next,
112 #define PW_PORT_METHOD_ADD_LISTENER 0
113 #define PW_PORT_METHOD_SUBSCRIBE_PARAMS 1
114 #define PW_PORT_METHOD_ENUM_PARAMS 2
115 #define PW_PORT_METHOD_NUM 3
119 #define PW_VERSION_PORT_METHODS 0
150 uint32_t
id, uint32_t start, uint32_t num,
154 #define pw_port_method(o,method,version,...) \
156 int _res = -ENOTSUP; \
157 spa_interface_call_res((struct spa_interface*)o, \
158 struct pw_port_methods, _res, \
159 method, version, ##__VA_ARGS__); \
163 #define pw_port_add_listener(c,...) pw_port_method(c,add_listener,0,__VA_ARGS__)
164 #define pw_port_subscribe_params(c,...) pw_port_method(c,subscribe_params,0,__VA_ARGS__)
165 #define pw_port_enum_params(c,...) pw_port_method(c,enum_params,0,__VA_ARGS__)
static uint32_t int seq
Definition: core.h:328
static uint32_t id
Definition: core.h:328
const char * pw_direction_as_string(enum pw_direction direction)
Convert a pw_direction to a readable string.
Definition: introspect.c:52
void pw_port_info_free(struct pw_port_info *info)
Definition: introspect.c:283
#define pw_direction
The direction of a port.
Definition: port.h:56
struct pw_port_info * pw_port_info_update(struct pw_port_info *info, const struct pw_port_info *update)
Definition: introspect.c:237
Port events.
Definition: port.h:87
void(* info)(void *object, const struct pw_port_info *info)
Notify port info.
Definition: port.h:95
uint32_t version
Definition: port.h:89
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:107
struct spa_dict * props
the properties of the port
Definition: port.h:70
uint32_t n_params
number of items in params
Definition: port.h:72
struct spa_param_info * params
parameters
Definition: port.h:71
uint64_t change_mask
bitfield of changed fields since last call
Definition: port.h:69
uint32_t id
id of the global
Definition: port.h:64
enum pw_direction direction
port direction
Definition: port.h:65
Port methods.
Definition: port.h:118
int(* subscribe_params)(void *object, uint32_t *ids, uint32_t n_ids)
Subscribe to parameter changes.
Definition: port.h:135
uint32_t version
Definition: port.h:120
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:149
int(* add_listener)(void *object, struct spa_hook *listener, const struct pw_port_events *events, void *data)
Definition: port.h:122
Definition: utils/dict.h:48
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:76
information about a parameter
Definition: param.h:63