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_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
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

)

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()

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.