5 #ifndef PIPEWIRE_PORT_H 6 #define PIPEWIRE_PORT_H 30 #define PW_TYPE_INTERFACE_Port PW_TYPE_INFO_INTERFACE_BASE "Port" 32 #define PW_VERSION_PORT 3 36 #define pw_direction spa_direction 37 #define PW_DIRECTION_INPUT SPA_DIRECTION_INPUT 38 #define PW_DIRECTION_OUTPUT SPA_DIRECTION_OUTPUT 46 #define PW_PORT_CHANGE_MASK_PROPS (1 << 0) 47 #define PW_PORT_CHANGE_MASK_PARAMS (1 << 1) 48 #define PW_PORT_CHANGE_MASK_ALL ((1 << 2)-1) 66 #define PW_PORT_EVENT_INFO 0 67 #define PW_PORT_EVENT_PARAM 1 68 #define PW_PORT_EVENT_NUM 2 72 #define PW_VERSION_PORT_EVENTS 0 91 void (*
param) (
void *data,
int seq,
92 uint32_t
id, uint32_t index, uint32_t next,
96 #define PW_PORT_METHOD_ADD_LISTENER 0 97 #define PW_PORT_METHOD_SUBSCRIBE_PARAMS 1 98 #define PW_PORT_METHOD_ENUM_PARAMS 2 99 #define PW_PORT_METHOD_NUM 3 103 #define PW_VERSION_PORT_METHODS 0 134 uint32_t id, uint32_t start, uint32_t num,
138 #define pw_port_method(o,method,version,...) \ 140 int _res = -ENOTSUP; \ 141 spa_interface_call_res((struct spa_interface*)o, \ 142 struct pw_port_methods, _res, \ 143 method, version, ##__VA_ARGS__); \ 147 #define pw_port_add_listener(c,...) pw_port_method(c,add_listener,0,__VA_ARGS__) 148 #define pw_port_subscribe_params(c,...) pw_port_method(c,subscribe_params,0,__VA_ARGS__) 149 #define pw_port_enum_params(c,...) pw_port_method(c,enum_params,0,__VA_ARGS__) struct pw_port_info * pw_port_info_update(struct pw_port_info *info, const struct pw_port_info *update)
Definition: introspect.c:297
#define pw_direction
The direction of a port.
Definition: port.h:43
uint32_t n_params
number of items in params
Definition: port.h:64
void(* info)(void *data, const struct pw_port_info *info)
Notify port info.
Definition: port.h:95
void pw_port_info_free(struct pw_port_info *info)
Definition: introspect.c:304
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:350
uint64_t change_mask
bitfield of changed fields since last call
Definition: port.h:61
void(* param)(void *data, int seq, uint32_t id, uint32_t index, uint32_t next, const struct spa_pod *param)
Notify a port param.
Definition: port.h:107
uint32_t version
Definition: port.h:89
Definition: utils/dict.h:39
enum pw_direction direction
port direction
Definition: port.h:54
int(* subscribe_params)(void *object, uint32_t *ids, uint32_t n_ids)
Subscribe to parameter changes.
Definition: port.h:140
uint32_t id
id of the global
Definition: port.h:53
information about a parameter
Definition: param.h:50
Port events.
Definition: port.h:86
struct pw_port_info * pw_port_info_merge(struct pw_port_info *info, const struct pw_port_info *update, bool reset)
Definition: introspect.c:241
uint32_t version
Definition: port.h:125
const char * pw_direction_as_string(enum pw_direction direction)
Convert a pw_direction to a readable string.
Definition: introspect.c:32
Port methods.
Definition: port.h:122
struct spa_param_info * params
parameters
Definition: port.h:63
int(* add_listener)(void *object, struct spa_hook *listener, const struct pw_port_events *events, void *data)
Definition: port.h:127
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:154