31 #define SPA_TYPE_INTERFACE_Node SPA_TYPE_INFO_INTERFACE_BASE "Node" 33 #define SPA_VERSION_NODE 0 44 #define SPA_NODE_CHANGE_MASK_FLAGS (1u<<0) 45 #define SPA_NODE_CHANGE_MASK_PROPS (1u<<1) 46 #define SPA_NODE_CHANGE_MASK_PARAMS (1u<<2) 49 #define SPA_NODE_FLAG_RT (1u<<0) 50 #define SPA_NODE_FLAG_IN_DYNAMIC_PORTS (1u<<1) 51 #define SPA_NODE_FLAG_OUT_DYNAMIC_PORTS (1u<<2) 52 #define SPA_NODE_FLAG_IN_PORT_CONFIG (1u<<3) 54 #define SPA_NODE_FLAG_OUT_PORT_CONFIG (1u<<4) 56 #define SPA_NODE_FLAG_NEED_CONFIGURE (1u<<5) 58 #define SPA_NODE_FLAG_ASYNC (1u<<6) 68 #define SPA_NODE_INFO_INIT() ((struct spa_node_info) { 0, }) 76 #define SPA_PORT_CHANGE_MASK_FLAGS (1u<<0) 77 #define SPA_PORT_CHANGE_MASK_RATE (1u<<1) 78 #define SPA_PORT_CHANGE_MASK_PROPS (1u<<2) 79 #define SPA_PORT_CHANGE_MASK_PARAMS (1u<<3) 82 #define SPA_PORT_FLAG_REMOVABLE (1u<<0) 83 #define SPA_PORT_FLAG_OPTIONAL (1u<<1) 84 #define SPA_PORT_FLAG_CAN_ALLOC_BUFFERS (1u<<2) 85 #define SPA_PORT_FLAG_IN_PLACE (1u<<3) 87 #define SPA_PORT_FLAG_NO_REF (1u<<4) 91 #define SPA_PORT_FLAG_LIVE (1u<<5) 93 #define SPA_PORT_FLAG_PHYSICAL (1u<<6) 94 #define SPA_PORT_FLAG_TERMINAL (1u<<7) 97 #define SPA_PORT_FLAG_DYNAMIC_DATA (1u<<8) 101 struct spa_fraction rate; 102 const struct spa_dict *props; 103 struct spa_param_info *params; 107 #define SPA_PORT_INFO_INIT() ((struct spa_port_info) { 0, }) 109 #define SPA_RESULT_TYPE_NODE_ERROR 1 110 #define SPA_RESULT_TYPE_NODE_PARAMS 2 125 #define SPA_NODE_EVENT_INFO 0 126 #define SPA_NODE_EVENT_PORT_INFO 1 127 #define SPA_NODE_EVENT_RESULT 2 128 #define SPA_NODE_EVENT_EVENT 3 129 #define SPA_NODE_EVENT_NUM 4 138 #define SPA_VERSION_NODE_EVENTS 0 145 void (*port_info) (
void *data,
165 void (*result) (
void *data,
int seq,
int res,
166 uint32_t type,
const void *result);
175 void (*event) (
void *data,
const struct spa_event *event);
178 #define SPA_NODE_CALLBACK_READY 0 179 #define SPA_NODE_CALLBACK_REUSE_BUFFER 1 180 #define SPA_NODE_CALLBACK_XRUN 2 181 #define SPA_NODE_CALLBACK_NUM 3 189 #define SPA_VERSION_NODE_CALLBACKS 0 199 int (*ready) (
void *data,
int state);
211 int (*reuse_buffer) (
void *data,
225 int (*xrun) (
void *data, uint64_t trigger, uint64_t delay,
231 #define SPA_NODE_PARAM_FLAG_TEST_ONLY (1 << 0) 232 #define SPA_NODE_PARAM_FLAG_FIXATE (1 << 1) 233 #define SPA_NODE_PARAM_FLAG_NEAREST (1 << 2) 237 #define SPA_NODE_BUFFERS_FLAG_ALLOC (1 << 0) 242 #define SPA_NODE_METHOD_ADD_LISTENER 0 243 #define SPA_NODE_METHOD_SET_CALLBACKS 1 244 #define SPA_NODE_METHOD_SYNC 2 245 #define SPA_NODE_METHOD_ENUM_PARAMS 3 246 #define SPA_NODE_METHOD_SET_PARAM 4 247 #define SPA_NODE_METHOD_SET_IO 5 248 #define SPA_NODE_METHOD_SEND_COMMAND 6 249 #define SPA_NODE_METHOD_ADD_PORT 7 250 #define SPA_NODE_METHOD_REMOVE_PORT 8 251 #define SPA_NODE_METHOD_PORT_ENUM_PARAMS 9 252 #define SPA_NODE_METHOD_PORT_SET_PARAM 10 253 #define SPA_NODE_METHOD_PORT_USE_BUFFERS 11 254 #define SPA_NODE_METHOD_PORT_SET_IO 12 255 #define SPA_NODE_METHOD_PORT_REUSE_BUFFER 13 256 #define SPA_NODE_METHOD_PROCESS 14 257 #define SPA_NODE_METHOD_NUM 15 265 #define SPA_VERSION_NODE_METHODS 0 282 int (*add_listener) (
void *object,
299 int (*set_callbacks) (
void *object,
317 int (*sync) (
void *object,
int seq);
350 int (*enum_params) (
void *object,
int seq,
351 uint32_t id, uint32_t start, uint32_t max,
375 int (*set_param) (
void *object,
376 uint32_t id, uint32_t
flags,
397 int (*set_io) (
void *object,
398 uint32_t id,
void *data,
size_t size);
414 int (*send_command) (
void *object,
const struct spa_command *command);
432 int (*add_port) (
void *object,
446 int (*remove_port) (
void *object,
479 int (*port_enum_params) (
void *object,
int seq,
481 uint32_t id, uint32_t start, uint32_t max,
507 int (*port_set_param) (
void *object,
510 uint32_t id, uint32_t
flags,
553 int (*port_use_buffers) (
void *object,
580 int (*port_set_io) (
void *object,
584 void *data,
size_t size);
597 int (*port_reuse_buffer) (
void *object, uint32_t port_id, uint32_t buffer_id);
622 int (*process) (
void *object);
625 #define spa_node_method(o,method,version,...) \ 627 int _res = -ENOTSUP; \ 628 struct spa_node *_n = o; \ 629 spa_interface_call_res(&_n->iface, \ 630 struct spa_node_methods, _res, \ 631 method, version, ##__VA_ARGS__); \ 635 #define spa_node_add_listener(n,...) spa_node_method(n, add_listener, 0, __VA_ARGS__) 636 #define spa_node_set_callbacks(n,...) spa_node_method(n, set_callbacks, 0, __VA_ARGS__) 637 #define spa_node_sync(n,...) spa_node_method(n, sync, 0, __VA_ARGS__) 638 #define spa_node_enum_params(n,...) spa_node_method(n, enum_params, 0, __VA_ARGS__) 639 #define spa_node_set_param(n,...) spa_node_method(n, set_param, 0, __VA_ARGS__) 640 #define spa_node_set_io(n,...) spa_node_method(n, set_io, 0, __VA_ARGS__) 641 #define spa_node_send_command(n,...) spa_node_method(n, send_command, 0, __VA_ARGS__) 642 #define spa_node_add_port(n,...) spa_node_method(n, add_port, 0, __VA_ARGS__) 643 #define spa_node_remove_port(n,...) spa_node_method(n, remove_port, 0, __VA_ARGS__) 644 #define spa_node_port_enum_params(n,...) spa_node_method(n, port_enum_params, 0, __VA_ARGS__) 645 #define spa_node_port_set_param(n,...) spa_node_method(n, port_set_param, 0, __VA_ARGS__) 646 #define spa_node_port_use_buffers(n,...) spa_node_method(n, port_use_buffers, 0, __VA_ARGS__) 647 #define spa_node_port_set_io(n,...) spa_node_method(n, port_set_io, 0, __VA_ARGS__) 649 #define spa_node_port_reuse_buffer(n,...) spa_node_method(n, port_reuse_buffer, 0, __VA_ARGS__) 650 #define spa_node_process(n) spa_node_method(n, process, 0) Definition: spa/include/spa/node/node.h:41
uint64_t change_mask
Definition: spa/include/spa/node/node.h:108
Node information structure.
Definition: spa/include/spa/node/node.h:48
the result of enum_params or port_enum_params.
Definition: spa/include/spa/node/node.h:167
uint32_t n_params
number of items in params
Definition: spa/include/spa/node/node.h:88
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:331
struct spa_param_info * params
parameter information
Definition: spa/include/spa/node/node.h:87
an error result
Definition: spa/include/spa/node/node.h:162
Definition: utils/dict.h:39
Port information structure.
Definition: spa/include/spa/node/node.h:99
events from the spa_node.
Definition: spa/include/spa/node/node.h:191
struct spa_interface iface
Definition: spa/include/spa/node/node.h:41
information about a parameter
Definition: param.h:50
A Buffer.
Definition: buffer/buffer.h:92
uint64_t change_mask
Definition: spa/include/spa/node/node.h:57
Node methods.
Definition: spa/include/spa/node/node.h:345
uint32_t max_output_ports
Definition: spa/include/spa/node/node.h:50
uint64_t flags
port flags
Definition: spa/include/spa/node/node.h:146
uint32_t size
Definition: pod/pod.h:44
Node callbacks.
Definition: spa/include/spa/node/node.h:247
spa_direction
Definition: defs.h:92
Definition: pod/event.h:28
Definition: pod/command.h:29
uint32_t max_input_ports
Definition: spa/include/spa/node/node.h:49