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;                                                          \
})

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

spa_graph_state_dec

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

Function Documentation

spa_graph_finish()

int spa_graph_finish ( struct spa_graph *  graph )

inline

References spa_debug, and spa_graph_node_trigger().

Referenced by spa_graph_link_signal_graph().

spa_graph_init()

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

inline

References spa_debug, spa_list_init(), and spa_graph_node::state.

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

References link::link, spa_graph_node::links, spa_graph_state::required, spa_debug, spa_list_append, and spa_graph_node::state.

Referenced by spa_graph_node_add().

spa_graph_link_remove()

void spa_graph_link_remove ( struct spa_graph_link *  link )

inline

References link::link, spa_debug, and spa_list_remove().

Referenced by spa_graph_node_remove().

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

References spa_debug, and spa_graph_node_process.

spa_graph_link_trigger()

int spa_graph_link_trigger ( struct spa_graph_link *  link )

inline

References spa_graph_state::pending, spa_graph_state::required, spa_debug, spa_graph_link_signal, spa_graph_state_dec, and spa_graph_state::status.

Referenced by spa_graph_node_trigger().

spa_graph_node_add()

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

inline

References node::graph, node::link, spa_debug, spa_graph_link_add(), and spa_list_append.

spa_graph_node_impl_process()

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

inline

References spa_debug, spa_graph_node_trigger(), spa_node_process, SPA_STATUS_OK, and spa_graph_state::status.

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

References spa_node_port_reuse_buffer.

spa_graph_node_impl_sub_process()

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

inline

spa_graph_node_init()

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

inline

References spa_debug, SPA_DIRECTION_INPUT, SPA_DIRECTION_OUTPUT, spa_graph_link_signal_graph(), spa_list_init(), SPA_STATUS_OK, and spa_graph_node::state.

spa_graph_node_remove()

void spa_graph_node_remove ( struct spa_graph_node *  node )

inline

References node::graph, node::link, spa_debug, spa_graph_link_remove(), and spa_list_remove().

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

References spa_debug, spa_graph_link_trigger(), and spa_list_for_each.

Referenced by spa_graph_finish(), and spa_graph_node_impl_process().

spa_graph_port_add()

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

inline

References port::direction, port::link, port::node, spa_debug, and spa_list_append.

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

References port::direction, port::flags, port::port_id, and spa_debug.

spa_graph_port_link()

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

inline

References spa_graph_port::node, spa_graph_port::peer, spa_debug, and spa_graph_node::state.

spa_graph_port_remove()

void spa_graph_port_remove ( struct spa_graph_port *  port )

inline

References port::link, spa_debug, and spa_list_remove().

spa_graph_port_unlink()

void spa_graph_port_unlink ( struct spa_graph_port *  port )

inline

References spa_debug.

spa_graph_run()

int spa_graph_run ( struct spa_graph *  graph )

inline

References spa_graph_state::pending, spa_graph_state::required, spa_graph_node::sched_link, spa_debug, spa_graph_node_process, spa_graph_state_reset(), spa_list_append, spa_list_for_each, spa_list_for_each_safe, spa_list_init(), spa_graph_node::state, and spa_graph_state::status.

spa_graph_state_reset()

void spa_graph_state_reset ( struct spa_graph_state *  state )

inline

References spa_graph_state::pending, and spa_graph_state::required.

Referenced by spa_graph_run().

Variable Documentation

spa_graph_node_impl_default

const struct spa_graph_node_callbacks spa_graph_node_impl_default

Initial value:

= {
        SPA_VERSION_GRAPH_NODE_CALLBACKS,
        .process = spa_graph_node_impl_process,
        .reuse_buffer = spa_graph_node_impl_reuse_buffer,
}

spa_graph_node_sub_impl_default

const struct spa_graph_node_callbacks spa_graph_node_sub_impl_default

Initial value:

= {
        SPA_VERSION_GRAPH_NODE_CALLBACKS,
        .process = spa_graph_node_impl_sub_process,
}