Graph

Node graph. More...

Files
file	graph.h
	spa/graph/graph.h

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

Variables
static const struct spa_graph_node_callbacks	spa_graph_node_sub_impl_default
static const struct spa_graph_node_callbacks	spa_graph_node_impl_default

Detailed Description

Node graph.

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_state_dec

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

SPA_VERSION_GRAPH_NODE_CALLBACKS

#define SPA_VERSION_GRAPH_NODE_CALLBACKS   0

spa_graph_node_call

#define spa_graph_node_call	(		n,
			method,
			version,
			...
	)

spa_graph_node_process

#define spa_graph_node_process

(

n

)

spa_graph_node_call(n, process, 0, n)

Examples

spa/examples/adapter-control.c, and spa/examples/example-control.c.

spa_graph_node_reuse_buffer

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

Function Documentation

spa_graph_state_reset()

static void spa_graph_state_reset ( struct spa_graph_state *  state )

inlinestatic

spa_graph_link_trigger()

static int spa_graph_link_trigger ( struct spa_graph_link *  link )

inlinestatic

spa_graph_node_trigger()

static int spa_graph_node_trigger ( struct spa_graph_node *  node )

inlinestatic

spa_graph_run()

static int spa_graph_run ( struct spa_graph *  graph )

inlinestatic

spa_graph_finish()

static int spa_graph_finish ( struct spa_graph *  graph )

inlinestatic

spa_graph_link_signal_node()

static int spa_graph_link_signal_node ( void *  data )

inlinestatic

spa_graph_link_signal_graph()

static int spa_graph_link_signal_graph ( void *  data )

inlinestatic

spa_graph_init()

static void spa_graph_init ( struct spa_graph *  graph, struct spa_graph_state *  state  )

inlinestatic

Examples

spa/examples/adapter-control.c, and spa/examples/example-control.c.

spa_graph_link_add()

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

inlinestatic

spa_graph_link_remove()

static void spa_graph_link_remove ( struct spa_graph_link *  link )

inlinestatic

spa_graph_node_init()

static void spa_graph_node_init ( struct spa_graph_node *  node, struct spa_graph_state *  state  )

inlinestatic

Examples

spa/examples/adapter-control.c, and spa/examples/example-control.c.

spa_graph_node_impl_sub_process()

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

inlinestatic

spa_graph_node_set_subgraph()

static void spa_graph_node_set_subgraph ( struct spa_graph_node *  node, struct spa_graph *  subgraph  )

inlinestatic

spa_graph_node_set_callbacks()

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

inlinestatic

Examples

spa/examples/adapter-control.c, and spa/examples/example-control.c.

spa_graph_node_add()

static void spa_graph_node_add ( struct spa_graph *  graph, struct spa_graph_node *  node  )

inlinestatic

Examples

spa/examples/adapter-control.c, and spa/examples/example-control.c.

spa_graph_node_remove()

static void spa_graph_node_remove ( struct spa_graph_node *  node )

inlinestatic

spa_graph_port_init()

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

inlinestatic

Examples

spa/examples/adapter-control.c, and spa/examples/example-control.c.

spa_graph_port_add()

static void spa_graph_port_add ( struct spa_graph_node *  node, struct spa_graph_port *  port  )

inlinestatic

Examples

spa/examples/adapter-control.c, and spa/examples/example-control.c.

spa_graph_port_remove()

static void spa_graph_port_remove ( struct spa_graph_port *  port )

inlinestatic

spa_graph_port_link()

static void spa_graph_port_link ( struct spa_graph_port *  out, struct spa_graph_port *  in  )

inlinestatic

Examples

spa/examples/adapter-control.c, and spa/examples/example-control.c.

spa_graph_port_unlink()

static void spa_graph_port_unlink ( struct spa_graph_port *  port )

inlinestatic

spa_graph_node_impl_process()

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

inlinestatic

spa_graph_node_impl_reuse_buffer()

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

inlinestatic

Variable Documentation

spa_graph_node_sub_impl_default

const struct spa_graph_node_callbacks spa_graph_node_sub_impl_default

static

spa_graph_node_impl_default

const struct spa_graph_node_callbacks spa_graph_node_impl_default

static

Examples

spa/examples/adapter-control.c, and spa/examples/example-control.c.