50 #define SPA_TYPE_INTERFACE_Node SPA_TYPE_INFO_INTERFACE_BASE "Node" 52 #define SPA_VERSION_NODE 0 63 #define SPA_NODE_CHANGE_MASK_FLAGS (1u<<0) 64 #define SPA_NODE_CHANGE_MASK_PROPS (1u<<1) 65 #define SPA_NODE_CHANGE_MASK_PARAMS (1u<<2) 68 #define SPA_NODE_FLAG_RT (1u<<0) 69 #define SPA_NODE_FLAG_IN_DYNAMIC_PORTS (1u<<1) 70 #define SPA_NODE_FLAG_OUT_DYNAMIC_PORTS (1u<<2) 71 #define SPA_NODE_FLAG_IN_PORT_CONFIG (1u<<3) 73 #define SPA_NODE_FLAG_OUT_PORT_CONFIG (1u<<4) 75 #define SPA_NODE_FLAG_NEED_CONFIGURE (1u<<5) 77 #define SPA_NODE_FLAG_ASYNC (1u<<6) 87 #define SPA_NODE_INFO_INIT() (struct spa_node_info) { 0, } 95 #define SPA_PORT_CHANGE_MASK_FLAGS (1u<<0) 96 #define SPA_PORT_CHANGE_MASK_RATE (1u<<1) 97 #define SPA_PORT_CHANGE_MASK_PROPS (1u<<2) 98 #define SPA_PORT_CHANGE_MASK_PARAMS (1u<<3) 101 #define SPA_PORT_FLAG_REMOVABLE (1u<<0) 102 #define SPA_PORT_FLAG_OPTIONAL (1u<<1) 103 #define SPA_PORT_FLAG_CAN_ALLOC_BUFFERS (1u<<2) 104 #define SPA_PORT_FLAG_IN_PLACE (1u<<3) 106 #define SPA_PORT_FLAG_NO_REF (1u<<4) 110 #define SPA_PORT_FLAG_LIVE (1u<<5) 112 #define SPA_PORT_FLAG_PHYSICAL (1u<<6) 113 #define SPA_PORT_FLAG_TERMINAL (1u<<7) 116 #define SPA_PORT_FLAG_DYNAMIC_DATA (1u<<8) 120 struct spa_fraction rate; 121 const struct spa_dict *props; 122 struct spa_param_info *params; 126 #define SPA_PORT_INFO_INIT() (struct spa_port_info) { 0, } 128 #define SPA_RESULT_TYPE_NODE_ERROR 1 129 #define SPA_RESULT_TYPE_NODE_PARAMS 2 144 #define SPA_NODE_EVENT_INFO 0 145 #define SPA_NODE_EVENT_PORT_INFO 1 146 #define SPA_NODE_EVENT_RESULT 2 147 #define SPA_NODE_EVENT_EVENT 3 148 #define SPA_NODE_EVENT_NUM 4 157 #define SPA_VERSION_NODE_EVENTS 0 164 void (*port_info) (
void *
data,
184 void (*result) (
void *
data,
int seq,
int res,
185 uint32_t type,
const void *result);
197 #define SPA_NODE_CALLBACK_READY 0 198 #define SPA_NODE_CALLBACK_REUSE_BUFFER 1 199 #define SPA_NODE_CALLBACK_XRUN 2 200 #define SPA_NODE_CALLBACK_NUM 3 208 #define SPA_VERSION_NODE_CALLBACKS 0 218 int (*ready) (
void *
data,
int state);
230 int (*reuse_buffer) (
void *
data,
244 int (*xrun) (
void *
data, uint64_t trigger, uint64_t delay,
250 #define SPA_NODE_PARAM_FLAG_TEST_ONLY (1 << 0) 251 #define SPA_NODE_PARAM_FLAG_FIXATE (1 << 1) 252 #define SPA_NODE_PARAM_FLAG_NEAREST (1 << 2) 256 #define SPA_NODE_BUFFERS_FLAG_ALLOC (1 << 0) 261 #define SPA_NODE_METHOD_ADD_LISTENER 0 262 #define SPA_NODE_METHOD_SET_CALLBACKS 1 263 #define SPA_NODE_METHOD_SYNC 2 264 #define SPA_NODE_METHOD_ENUM_PARAMS 3 265 #define SPA_NODE_METHOD_SET_PARAM 4 266 #define SPA_NODE_METHOD_SET_IO 5 267 #define SPA_NODE_METHOD_SEND_COMMAND 6 268 #define SPA_NODE_METHOD_ADD_PORT 7 269 #define SPA_NODE_METHOD_REMOVE_PORT 8 270 #define SPA_NODE_METHOD_PORT_ENUM_PARAMS 9 271 #define SPA_NODE_METHOD_PORT_SET_PARAM 10 272 #define SPA_NODE_METHOD_PORT_USE_BUFFERS 11 273 #define SPA_NODE_METHOD_PORT_SET_IO 12 274 #define SPA_NODE_METHOD_PORT_REUSE_BUFFER 13 275 #define SPA_NODE_METHOD_PROCESS 14 276 #define SPA_NODE_METHOD_NUM 15 284 #define SPA_VERSION_NODE_METHODS 0 301 int (*add_listener) (
void *object,
318 int (*set_callbacks) (
void *object,
336 int (*
sync) (
void *object,
int seq);
369 int (*enum_params) (
void *object,
int seq,
370 uint32_t id, uint32_t
start, uint32_t max,
394 int (*set_param) (
void *object,
395 uint32_t id, uint32_t
flags,
416 int (*set_io) (
void *object,
417 uint32_t id,
void *
data,
size_t size);
433 int (*send_command) (
void *object,
const struct spa_command *command);
451 int (*add_port) (
void *object,
465 int (*remove_port) (
void *object,
498 int (*port_enum_params) (
void *object,
int seq,
500 uint32_t id, uint32_t
start, uint32_t max,
526 int (*port_set_param) (
void *object,
529 uint32_t id, uint32_t
flags,
572 int (*port_use_buffers) (
void *object,
599 int (*port_set_io) (
void *object,
603 void *
data,
size_t size);
616 int (*port_reuse_buffer) (
void *object, uint32_t port_id, uint32_t buffer_id);
635 int (*process) (
void *object);
638 #define spa_node_method(o,method,version,...) \ 640 int _res = -ENOTSUP; \ 641 struct spa_node *_n = o; \ 642 spa_interface_call_res(&_n->iface, \ 643 struct spa_node_methods, _res, \ 644 method, version, ##__VA_ARGS__); \ 648 #define spa_node_add_listener(n,...) spa_node_method(n, add_listener, 0, __VA_ARGS__) 649 #define spa_node_set_callbacks(n,...) spa_node_method(n, set_callbacks, 0, __VA_ARGS__) 650 #define spa_node_sync(n,...) spa_node_method(n, sync, 0, __VA_ARGS__) 651 #define spa_node_enum_params(n,...) spa_node_method(n, enum_params, 0, __VA_ARGS__) 652 #define spa_node_set_param(n,...) spa_node_method(n, set_param, 0, __VA_ARGS__) 653 #define spa_node_set_io(n,...) spa_node_method(n, set_io, 0, __VA_ARGS__) 654 #define spa_node_send_command(n,...) spa_node_method(n, send_command, 0, __VA_ARGS__) 655 #define spa_node_add_port(n,...) spa_node_method(n, add_port, 0, __VA_ARGS__) 656 #define spa_node_remove_port(n,...) spa_node_method(n, remove_port, 0, __VA_ARGS__) 657 #define spa_node_port_enum_params(n,...) spa_node_method(n, port_enum_params, 0, __VA_ARGS__) 658 #define spa_node_port_set_param(n,...) spa_node_method(n, port_set_param, 0, __VA_ARGS__) 659 #define spa_node_port_use_buffers(n,...) spa_node_method(n, port_use_buffers, 0, __VA_ARGS__) 660 #define spa_node_port_set_io(n,...) spa_node_method(n, port_set_io, 0, __VA_ARGS__) 662 #define spa_node_port_reuse_buffer(n,...) spa_node_method(n, port_reuse_buffer, 0, __VA_ARGS__) 663 #define spa_node_process(n) spa_node_method(n, process, 0) Definition: media-session.c:123
Definition: aarch64-redhat-linux-gnu/doc/spa/node/node.h:53
spa_direction
Definition: defs.h:78
uint64_t change_mask
Definition: aarch64-redhat-linux-gnu/doc/spa/node/node.h:105
Node information structure.
Definition: aarch64-redhat-linux-gnu/doc/spa/node/node.h:60
the result of enum_params or port_enum_params.
Definition: aarch64-redhat-linux-gnu/doc/spa/node/node.h:152
struct spa_dict * props
extra node properties
Definition: aarch64-redhat-linux-gnu/doc/spa/node/node.h:88
uint32_t n_params
number of items in params
Definition: aarch64-redhat-linux-gnu/doc/spa/node/node.h:90
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:313
struct spa_param_info * params
parameter information
Definition: aarch64-redhat-linux-gnu/doc/spa/node/node.h:89
an error result
Definition: aarch64-redhat-linux-gnu/doc/spa/node/node.h:147
Definition: utils/dict.h:48
const struct spa_dict * props
extra port properties
Definition: aarch64-redhat-linux-gnu/doc/spa/node/node.h:136
Port information structure.
Definition: aarch64-redhat-linux-gnu/doc/spa/node/node.h:100
events from the spa_node.
Definition: aarch64-redhat-linux-gnu/doc/spa/node/node.h:171
struct spa_interface iface
Definition: aarch64-redhat-linux-gnu/doc/spa/node/node.h:53
information about a parameter
Definition: param.h:64
A Buffer.
Definition: buffer/buffer.h:93
uint64_t change_mask
Definition: aarch64-redhat-linux-gnu/doc/spa/node/node.h:66
Node methods.
Definition: aarch64-redhat-linux-gnu/doc/spa/node/node.h:299
uint32_t max_output_ports
Definition: aarch64-redhat-linux-gnu/doc/spa/node/node.h:62
uint64_t flags
port flags
Definition: aarch64-redhat-linux-gnu/doc/spa/node/node.h:134
uint32_t size
Definition: pod/pod.h:51
Node callbacks.
Definition: aarch64-redhat-linux-gnu/doc/spa/node/node.h:222
Definition: pod/event.h:43
Definition: pod/command.h:44
user data to add to an object
Definition: filter.c:75
uint32_t max_input_ports
Definition: aarch64-redhat-linux-gnu/doc/spa/node/node.h:61