5#ifndef SPA_NODE_UTILS_H
6#define SPA_NODE_UTILS_H
41 uint32_t
id, uint32_t *
index,
47 struct spa_hook listener = {{0}, {0}, 0, 0};
75 uint32_t
id, uint32_t *index,
81 struct spa_hook listener = {{0}, {0}, 0, 0};
93 id, *index, 1, filter);
108#define spa_node_emit(hooks,method,version,...) \
109 spa_hook_list_call_simple(hooks, struct spa_node_events, \
110 method, version, ##__VA_ARGS__)
112#define spa_node_emit_info(hooks,...) spa_node_emit(hooks,info, 0, __VA_ARGS__)
113#define spa_node_emit_port_info(hooks,...) spa_node_emit(hooks,port_info, 0, __VA_ARGS__)
114#define spa_node_emit_result(hooks,...) spa_node_emit(hooks,result, 0, __VA_ARGS__)
115#define spa_node_emit_event(hooks,...) spa_node_emit(hooks,event, 0, __VA_ARGS__)
118#define spa_node_call(callbacks,method,version,...) \
121 spa_callbacks_call_fast_res(callbacks, struct spa_node_callbacks, \
122 _res, method, version, ##__VA_ARGS__); \
126#define spa_node_call_ready(hook,...) spa_node_call(hook, ready, 0, __VA_ARGS__)
127#define spa_node_call_reuse_buffer(hook,...) spa_node_call(hook, reuse_buffer, 0, __VA_ARGS__)
128#define spa_node_call_xrun(hook,...) spa_node_call(hook, xrun, 0, __VA_ARGS__)
static void spa_hook_remove(struct spa_hook *hook)
Remove a hook.
Definition hook.h:391
static void spa_result_func_node_params(void *data, int seq 1, int res 1, uint32_t type 1, const void *result)
Definition utils.h:31
static int spa_node_enum_params_sync(struct spa_node *node, uint32_t id, uint32_t *index, const struct spa_pod *filter, struct spa_pod **param, struct spa_pod_builder *builder)
Definition utils.h:45
#define spa_node_add_listener(n,...)
Adds an event listener on node.
Definition node.h:719
#define spa_node_port_enum_params(n,...)
Enumerate all possible parameters of id on port_id of node that are compatible with filter.
Definition node.h:746
static int spa_node_port_enum_params_sync(struct spa_node *node, enum spa_direction direction, uint32_t port_id, uint32_t id, uint32_t *index, const struct spa_pod *filter, struct spa_pod **param, struct spa_pod_builder *builder)
Definition utils.h:78
#define spa_node_enum_params(n,...)
Enumerate the parameters of a node.
Definition node.h:728
#define SPA_VERSION_NODE_EVENTS
Definition node.h:178
static int spa_pod_builder_raw_padded(struct spa_pod_builder *builder, const void *data, uint32_t size)
Definition builder.h:160
#define SPA_POD_SIZE(pod)
Definition pod.h:30
static struct spa_pod * spa_pod_builder_deref(struct spa_pod_builder *builder, uint32_t offset)
Definition builder.h:93
#define SPA_UNUSED
Definition defs.h:285
spa_direction
Definition defs.h:92
A hook, contains the structure with functions and the data passed to the functions.
Definition hook.h:350
events from the spa_node.
Definition node.h:176
uint32_t version
version of this structure
Definition node.h:179
uint32_t offset
Definition builder.h:33
struct spa_pod_builder_state state
Definition builder.h:57
struct spa_result_node_params data
Definition utils.h:28
struct spa_pod_builder * builder
Definition utils.h:27
the result of enum_params or port_enum_params.
Definition node.h:152
struct spa_pod * param
the result param
Definition node.h:156
uint32_t next
next index of iteration
Definition node.h:155
uint32_t index
index of parameter
Definition node.h:154