Graph

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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_API_GRAPH   static inline
#define	spa_debug(...)
#define	spa_graph_link_signal(l)
#define	spa_graph_state_dec(s)
#define	SPA_VERSION_GRAPH_NODE_CALLBACKS   0
#define	spa_graph_node_call(n, method, version, ...)
#define	spa_graph_node_process(n)
#define	spa_graph_node_reuse_buffer(n, p, i)

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

#define SPA_API_GRAPH   static inline

spa_debug

#define spa_debug

(

...

)

spa_graph_link_signal

#define spa_graph_link_signal

(

l

)

Value:

((l)->signal((l)->signal_data))

spa_graph_state_dec

#define spa_graph_state_dec

(

s

)

Value:

(SPA_ATOMIC_DEC(s->pending) == 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

)

Value:

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 )

Value:

spa_graph_node_call((n), reuse_buffer, 0, (n), (p), (i))

Function Documentation

spa_graph_state_reset()

SPA_API_GRAPH void spa_graph_state_reset

(

struct spa_graph_state *

state

)

spa_graph_link_trigger()

SPA_API_GRAPH int spa_graph_link_trigger

(

struct spa_graph_link *

link

)

spa_graph_node_trigger()

SPA_API_GRAPH int spa_graph_node_trigger

(

struct spa_graph_node *

node

)

spa_graph_run()

SPA_API_GRAPH int spa_graph_run

(

struct spa_graph *

graph

)

spa_graph_finish()

SPA_API_GRAPH int spa_graph_finish

(

struct spa_graph *

graph

)

spa_graph_link_signal_node()

SPA_API_GRAPH int spa_graph_link_signal_node

(

void *

data

)

spa_graph_link_signal_graph()

SPA_API_GRAPH int spa_graph_link_signal_graph

(

void *

data

)

spa_graph_init()

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

Examples

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

spa_graph_link_add()

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

spa_graph_link_remove()

SPA_API_GRAPH void spa_graph_link_remove

(

struct spa_graph_link *

link

)

spa_graph_node_init()

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

Examples

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

spa_graph_node_impl_sub_process()

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

spa_graph_node_set_subgraph()

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

spa_graph_node_set_callbacks()

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

Examples

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

spa_graph_node_add()

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

Examples

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

spa_graph_node_remove()

SPA_API_GRAPH void spa_graph_node_remove

(

struct spa_graph_node *

node

)

spa_graph_port_init()

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

Examples

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

spa_graph_port_add()

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

Examples

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

spa_graph_port_remove()

SPA_API_GRAPH void spa_graph_port_remove

(

struct spa_graph_port *

port

)

spa_graph_port_link()

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

Examples

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

spa_graph_port_unlink()

SPA_API_GRAPH void spa_graph_port_unlink

(

struct spa_graph_port *

port

)

spa_graph_node_impl_process()

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

spa_graph_node_impl_reuse_buffer()

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

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.