5 #ifndef SPA_NODE_UTILS_H
6 #define SPA_NODE_UTILS_H
27 int seq,
int res, uint32_t type,
const void *result)
41 uint32_t
id, uint32_t *
index,
75 uint32_t
id, uint32_t *index,
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,...) \
120 int _res = -ENOTSUP; \
121 spa_callbacks_call_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:372
static void spa_result_func_node_params(void *data, int seq, int res, uint32_t type, const void *result)
Definition: spa/include/spa/node/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: spa/include/spa/node/utils.h:45
#define spa_node_add_listener(n,...)
Adds an event listener on node.
Definition: spa/include/spa/node/node.h:701
#define spa_node_port_enum_params(n,...)
Enumerate all possible parameters of id on port_id of node that are compatible with filter.
Definition: spa/include/spa/node/node.h:728
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: spa/include/spa/node/utils.h:78
#define spa_node_enum_params(n,...)
Enumerate the parameters of a node.
Definition: spa/include/spa/node/node.h:710
#define SPA_VERSION_NODE_EVENTS
Definition: spa/include/spa/node/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/pod.h:30
static struct spa_pod * spa_pod_builder_deref(struct spa_pod_builder *builder, uint32_t offset)
Definition: builder.h:93
spa_direction
Definition: defs.h:92
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:331
events from the spa_node.
Definition: spa/include/spa/node/node.h:176
uint32_t version
version of this structure
Definition: spa/include/spa/node/node.h:179
Definition: spa/include/spa/node/node.h:41
uint32_t offset
Definition: builder.h:33
struct spa_pod_builder_state state
Definition: builder.h:57
Definition: spa/include/spa/node/utils.h:26
struct spa_result_node_params data
Definition: spa/include/spa/node/utils.h:28
struct spa_pod_builder * builder
Definition: spa/include/spa/node/utils.h:27
the result of enum_params or port_enum_params.
Definition: spa/include/spa/node/node.h:152
struct spa_pod * param
the result param
Definition: spa/include/spa/node/node.h:156
uint32_t next
next index of iteration
Definition: spa/include/spa/node/node.h:155
uint32_t index
index of parameter
Definition: spa/include/spa/node/node.h:154