PipeWire  0.3.36
SPA Graph

Data Structures

struct  spa_graph_state
 
struct  spa_graph_link
 
struct  spa_graph
 
struct  spa_graph_node_callbacks
 
struct  spa_graph_node
 
struct  spa_graph_port
 

Macros

#define spa_debug(...)
 
#define spa_graph_link_signal(l)   ((l)->signal((l)->signal_data))
 
#define spa_graph_state_dec(s, c)   (__atomic_sub_fetch(&(s)->pending, c, __ATOMIC_SEQ_CST) == 0)
 
#define spa_graph_node_call(n, method, version, ...)
 
#define spa_graph_node_process(n)   spa_graph_node_call(n, process, 0, n)
 
#define spa_graph_node_reuse_buffer(n, p, i)   spa_graph_node_call(n, reuse_buffer, 0, n, p, i)
 

Functions

void spa_graph_state_reset (struct spa_graph_state *state)
 
int spa_graph_link_trigger (struct spa_graph_link *link)
 
int spa_graph_node_trigger (struct spa_graph_node *node)
 
int spa_graph_run (struct spa_graph *graph)
 
int spa_graph_finish (struct spa_graph *graph)
 
int spa_graph_link_signal_node (void *data)
 
int spa_graph_link_signal_graph (void *data)
 
void spa_graph_init (struct spa_graph *graph, struct spa_graph_state *state)
 
void spa_graph_link_add (struct spa_graph_node *out, struct spa_graph_state *state, struct spa_graph_link *link)
 
void spa_graph_link_remove (struct spa_graph_link *link)
 
void spa_graph_node_init (struct spa_graph_node *node, struct spa_graph_state *state)
 
int spa_graph_node_impl_sub_process (void *data, struct spa_graph_node *node)
 
void spa_graph_node_set_subgraph (struct spa_graph_node *node, struct spa_graph *subgraph)
 
void spa_graph_node_set_callbacks (struct spa_graph_node *node, const struct spa_graph_node_callbacks *callbacks, void *data)
 
void spa_graph_node_add (struct spa_graph *graph, struct spa_graph_node *node)
 
void spa_graph_node_remove (struct spa_graph_node *node)
 
void spa_graph_port_init (struct spa_graph_port *port, enum spa_direction direction, uint32_t port_id, uint32_t flags)
 
void spa_graph_port_add (struct spa_graph_node *node, struct spa_graph_port *port)
 
void spa_graph_port_remove (struct spa_graph_port *port)
 
void spa_graph_port_link (struct spa_graph_port *out, struct spa_graph_port *in)
 
void spa_graph_port_unlink (struct spa_graph_port *port)
 
int spa_graph_node_impl_process (void *data, struct spa_graph_node *node)
 
int spa_graph_node_impl_reuse_buffer (void *data, struct spa_graph_node *node, uint32_t port_id, uint32_t buffer_id)
 

Variables

const struct spa_graph_node_callbacks spa_graph_node_sub_impl_default
 
const struct spa_graph_node_callbacks spa_graph_node_impl_default
 

Detailed Description

Macro Definition Documentation

◆ spa_debug

#define spa_debug (   ...)

◆ spa_graph_link_signal

#define spa_graph_link_signal (   l)    ((l)->signal((l)->signal_data))

◆ spa_graph_node_call

#define spa_graph_node_call (   n,
  method,
  version,
  ... 
)
Value:
({ \
int __res = 0; \
spa_callbacks_call_res(&(n)->callbacks, \
struct spa_graph_node_callbacks, __res, \
method, version, ##__VA_ARGS__); \
__res; \
})
const char unsigned long int n
Definition: src/pipewire/i18n.h:35
Definition: graph.h:96

◆ spa_graph_node_process

#define spa_graph_node_process (   n)    spa_graph_node_call(n, process, 0, n)

◆ spa_graph_node_reuse_buffer

#define spa_graph_node_reuse_buffer (   n,
  p,
 
)    spa_graph_node_call(n, reuse_buffer, 0, n, p, i)

◆ spa_graph_state_dec

#define spa_graph_state_dec (   s,
 
)    (__atomic_sub_fetch(&(s)->pending, c, __ATOMIC_SEQ_CST) == 0)

Function Documentation

◆ spa_graph_finish()

int spa_graph_finish ( struct spa_graph graph)
inline

◆ spa_graph_init()

void spa_graph_init ( struct spa_graph graph,
struct spa_graph_state state 
)
inline

◆ spa_graph_link_add()

void spa_graph_link_add ( struct spa_graph_node out,
struct spa_graph_state state,
struct spa_graph_link link 
)
inline

◆ spa_graph_link_remove()

void spa_graph_link_remove ( struct spa_graph_link link)
inline

◆ spa_graph_link_signal_graph()

int spa_graph_link_signal_graph ( void *  data)
inline

References node::graph, and spa_graph_finish().

Referenced by spa_graph_node_init().

◆ spa_graph_link_signal_node()

int spa_graph_link_signal_node ( void *  data)
inline

◆ spa_graph_link_trigger()

◆ spa_graph_node_add()

void spa_graph_node_add ( struct spa_graph graph,
struct spa_graph_node node 
)
inline

◆ spa_graph_node_impl_process()

int spa_graph_node_impl_process ( void *  data,
struct spa_graph_node node 
)
inline

◆ spa_graph_node_impl_reuse_buffer()

int spa_graph_node_impl_reuse_buffer ( void *  data,
struct spa_graph_node node,
uint32_t  port_id,
uint32_t  buffer_id 
)
inline

◆ spa_graph_node_impl_sub_process()

int spa_graph_node_impl_sub_process ( void *  data,
struct spa_graph_node node 
)
inline

References spa_debug, and spa_graph_run().

◆ spa_graph_node_init()

void spa_graph_node_init ( struct spa_graph_node node,
struct spa_graph_state state 
)
inline

◆ spa_graph_node_remove()

void spa_graph_node_remove ( struct spa_graph_node node)
inline

◆ spa_graph_node_set_callbacks()

void spa_graph_node_set_callbacks ( struct spa_graph_node node,
const struct spa_graph_node_callbacks callbacks,
void *  data 
)
inline

References SPA_CALLBACKS_INIT.

◆ spa_graph_node_set_subgraph()

void spa_graph_node_set_subgraph ( struct spa_graph_node node,
struct spa_graph subgraph 
)
inline

References parent, and spa_debug.

◆ spa_graph_node_trigger()

int spa_graph_node_trigger ( struct spa_graph_node node)
inline

◆ spa_graph_port_add()

void spa_graph_port_add ( struct spa_graph_node node,
struct spa_graph_port port 
)
inline

◆ spa_graph_port_init()

void spa_graph_port_init ( struct spa_graph_port port,
enum spa_direction  direction,
uint32_t  port_id,
uint32_t  flags 
)
inline

◆ spa_graph_port_link()

void spa_graph_port_link ( struct spa_graph_port out,
struct spa_graph_port in 
)
inline

◆ spa_graph_port_remove()

void spa_graph_port_remove ( struct spa_graph_port port)
inline

◆ spa_graph_port_unlink()

void spa_graph_port_unlink ( struct spa_graph_port port)
inline

References spa_debug.

◆ spa_graph_run()

◆ spa_graph_state_reset()

void spa_graph_state_reset ( struct spa_graph_state state)
inline

Variable Documentation

◆ spa_graph_node_impl_default

const struct spa_graph_node_callbacks spa_graph_node_impl_default
Initial value:
= {
}
#define SPA_VERSION_GRAPH_NODE_CALLBACKS
Definition: graph.h:97
int spa_graph_node_impl_process(void *data, struct spa_graph_node *node)
Definition: graph.h:331
int spa_graph_node_impl_reuse_buffer(void *data, struct spa_graph_node *node, uint32_t port_id, uint32_t buffer_id)
Definition: graph.h:343

◆ spa_graph_node_sub_impl_default

const struct spa_graph_node_callbacks spa_graph_node_sub_impl_default
Initial value:
= {
}
int spa_graph_node_impl_sub_process(void *data, struct spa_graph_node *node)
Definition: graph.h:236