a graph of filters  
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| 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) | 
a graph of filters 
◆ SPA_TYPE_INTERFACE_FilterGraph
◆ 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 | 
      
 
 
◆ spa_filter_graph_add_listener()
◆ spa_filter_graph_enum_prop_info()
◆ spa_filter_graph_get_props()
◆ spa_filter_graph_set_props()
◆ spa_filter_graph_activate()
◆ spa_filter_graph_deactivate()
◆ spa_filter_graph_reset()
◆ spa_filter_graph_process()