Filter Graph

a graph of filters More...

Files
file	filter-graph.h
	spa/filter-graph/filter-graph.h

Data Structures
struct	spa_filter_graph
struct	spa_filter_graph_info
struct	spa_filter_graph_events
struct	spa_filter_graph_methods

Macros
#define	SPA_TYPE_INTERFACE_FilterGraph   SPA_TYPE_INFO_INTERFACE_BASE "FilterGraph"
	A graph of filters.
#define	SPA_VERSION_FILTER_GRAPH   0
#define	SPA_FILTER_GRAPH_CHANGE_MASK_FLAGS   (1u<<0)
#define	SPA_FILTER_GRAPH_CHANGE_MASK_PROPS   (1u<<1)
#define	SPA_VERSION_FILTER_GRAPH_EVENTS   0
#define	SPA_VERSION_FILTER_GRAPH_METHODS   0

Functions
SPA_API_FILTER_GRAPH int	spa_filter_graph_add_listener (struct spa_filter_graph *object, struct spa_hook *listener, const struct spa_filter_graph_events *events, void *data)
SPA_API_FILTER_GRAPH int	spa_filter_graph_enum_prop_info (struct spa_filter_graph *object, uint32_t idx, struct spa_pod_builder *b, struct spa_pod **param)
SPA_API_FILTER_GRAPH int	spa_filter_graph_get_props (struct spa_filter_graph *object, struct spa_pod_builder *b, struct spa_pod **props)
SPA_API_FILTER_GRAPH int	spa_filter_graph_set_props (struct spa_filter_graph *object, enum spa_direction direction, const struct spa_pod *props)
SPA_API_FILTER_GRAPH int	spa_filter_graph_activate (struct spa_filter_graph *object, const struct spa_dict *props)
SPA_API_FILTER_GRAPH int	spa_filter_graph_deactivate (struct spa_filter_graph *object)
SPA_API_FILTER_GRAPH int	spa_filter_graph_reset (struct spa_filter_graph *object)
SPA_API_FILTER_GRAPH int	spa_filter_graph_process (struct spa_filter_graph *object, const void *in[], void *out[], uint32_t n_samples)

Detailed Description

a graph of filters

Macro Definition Documentation

SPA_TYPE_INTERFACE_FilterGraph

#define SPA_TYPE_INTERFACE_FilterGraph   SPA_TYPE_INFO_INTERFACE_BASE "FilterGraph"

A graph of filters.

SPA_VERSION_FILTER_GRAPH

#define SPA_VERSION_FILTER_GRAPH   0

SPA_FILTER_GRAPH_CHANGE_MASK_FLAGS

#define SPA_FILTER_GRAPH_CHANGE_MASK_FLAGS   (1u<<0)

SPA_FILTER_GRAPH_CHANGE_MASK_PROPS

#define SPA_FILTER_GRAPH_CHANGE_MASK_PROPS   (1u<<1)

SPA_VERSION_FILTER_GRAPH_EVENTS

#define SPA_VERSION_FILTER_GRAPH_EVENTS   0

SPA_VERSION_FILTER_GRAPH_METHODS

#define SPA_VERSION_FILTER_GRAPH_METHODS   0

Function Documentation

spa_filter_graph_add_listener()

SPA_API_FILTER_GRAPH int spa_filter_graph_add_listener	(	struct spa_filter_graph *	object,
		struct spa_hook *	listener,
		const struct spa_filter_graph_events *	events,
		void *	data )

spa_filter_graph_enum_prop_info()

SPA_API_FILTER_GRAPH int spa_filter_graph_enum_prop_info	(	struct spa_filter_graph *	object,
		uint32_t	idx,
		struct spa_pod_builder *	b,
		struct spa_pod **	param )

spa_filter_graph_get_props()

SPA_API_FILTER_GRAPH int spa_filter_graph_get_props	(	struct spa_filter_graph *	object,
		struct spa_pod_builder *	b,
		struct spa_pod **	props )

spa_filter_graph_set_props()

SPA_API_FILTER_GRAPH int spa_filter_graph_set_props	(	struct spa_filter_graph *	object,
		enum spa_direction	direction,
		const struct spa_pod *	props )

spa_filter_graph_activate()

SPA_API_FILTER_GRAPH int spa_filter_graph_activate	(	struct spa_filter_graph *	object,
		const struct spa_dict *	props )

spa_filter_graph_deactivate()

SPA_API_FILTER_GRAPH int spa_filter_graph_deactivate

(

struct spa_filter_graph *

object

)

spa_filter_graph_reset()

SPA_API_FILTER_GRAPH int spa_filter_graph_reset

(

struct spa_filter_graph *

object

)

spa_filter_graph_process()

SPA_API_FILTER_GRAPH int spa_filter_graph_process	(	struct spa_filter_graph *	object,
		const void *	in[],
		void *	out[],
		uint32_t	n_samples )