Client node interface.  
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| PW_API_CLIENT_NODE_IMPL int | pw_client_node_add_listener (struct pw_client_node *object, struct spa_hook *listener, const struct pw_client_node_events *events, void *data) | 
| PW_API_CLIENT_NODE_IMPL struct pw_node * | pw_client_node_get_node (struct pw_client_node *p, uint32_t version, size_t user_data_size) | 
| PW_API_CLIENT_NODE_IMPL int | pw_client_node_update (struct pw_client_node *object, uint32_t change_mask, uint32_t n_params, const struct spa_pod **params, const struct spa_node_info *info) | 
| PW_API_CLIENT_NODE_IMPL int | pw_client_node_port_update (struct pw_client_node *object, enum spa_direction direction, uint32_t port_id, uint32_t change_mask, uint32_t n_params, const struct spa_pod **params, const struct spa_port_info *info) | 
| PW_API_CLIENT_NODE_IMPL int | pw_client_node_set_active (struct pw_client_node *object, bool active) | 
| PW_API_CLIENT_NODE_IMPL int | pw_client_node_event (struct pw_client_node *object, const struct spa_event *event) | 
| PW_API_CLIENT_NODE_IMPL int | pw_client_node_port_buffers (struct pw_client_node *object, enum spa_direction direction, uint32_t port_id, uint32_t mix_id, uint32_t n_buffers, struct spa_buffer **buffers) | 
|  | 
| int(* | pw_client_node_methods::update )(void *object, #define PW_CLIENT_NODE_UPDATE_PARAMS #define PW_CLIENT_NODE_UPDATE_INFO uint32_t change_mask, uint32_t n_params, const struct spa_pod **params, const struct spa_node_info *info) | 
|  | Update the node ports and properties. 
 | 
| int(* | pw_client_node_methods::port_update )(void *object, enum spa_direction direction, uint32_t port_id, #define PW_CLIENT_NODE_PORT_UPDATE_PARAMS #define PW_CLIENT_NODE_PORT_UPDATE_INFO uint32_t change_mask, uint32_t n_params, const struct spa_pod **params, const struct spa_port_info *info) | 
|  | Update a node port. 
 | 
Client node interface. 
◆ PW_TYPE_INTERFACE_ClientNode
◆ PW_VERSION_CLIENT_NODE
      
        
          | #define PW_VERSION_CLIENT_NODE   6 | 
      
 
 
◆ PW_API_CLIENT_NODE_IMPL
      
        
          | #define PW_API_CLIENT_NODE_IMPL   static inline | 
      
 
 
◆ PW_EXTENSION_MODULE_CLIENT_NODE
◆ PW_CLIENT_NODE_EVENT_TRANSPORT
      
        
          | #define PW_CLIENT_NODE_EVENT_TRANSPORT   0 | 
      
 
 
◆ PW_CLIENT_NODE_EVENT_SET_PARAM
      
        
          | #define PW_CLIENT_NODE_EVENT_SET_PARAM   1 | 
      
 
 
◆ PW_CLIENT_NODE_EVENT_SET_IO
      
        
          | #define PW_CLIENT_NODE_EVENT_SET_IO   2 | 
      
 
 
◆ PW_CLIENT_NODE_EVENT_EVENT
      
        
          | #define PW_CLIENT_NODE_EVENT_EVENT   3 | 
      
 
 
◆ PW_CLIENT_NODE_EVENT_COMMAND
      
        
          | #define PW_CLIENT_NODE_EVENT_COMMAND   4 | 
      
 
 
◆ PW_CLIENT_NODE_EVENT_ADD_PORT
      
        
          | #define PW_CLIENT_NODE_EVENT_ADD_PORT   5 | 
      
 
 
◆ PW_CLIENT_NODE_EVENT_REMOVE_PORT
      
        
          | #define PW_CLIENT_NODE_EVENT_REMOVE_PORT   6 | 
      
 
 
◆ PW_CLIENT_NODE_EVENT_PORT_SET_PARAM
      
        
          | #define PW_CLIENT_NODE_EVENT_PORT_SET_PARAM   7 | 
      
 
 
◆ PW_CLIENT_NODE_EVENT_PORT_USE_BUFFERS
      
        
          | #define PW_CLIENT_NODE_EVENT_PORT_USE_BUFFERS   8 | 
      
 
 
◆ PW_CLIENT_NODE_EVENT_PORT_SET_IO
      
        
          | #define PW_CLIENT_NODE_EVENT_PORT_SET_IO   9 | 
      
 
 
◆ PW_CLIENT_NODE_EVENT_SET_ACTIVATION
      
        
          | #define PW_CLIENT_NODE_EVENT_SET_ACTIVATION   10 | 
      
 
 
◆ PW_CLIENT_NODE_EVENT_PORT_SET_MIX_INFO
      
        
          | #define PW_CLIENT_NODE_EVENT_PORT_SET_MIX_INFO   11 | 
      
 
 
◆ PW_CLIENT_NODE_EVENT_NUM
      
        
          | #define PW_CLIENT_NODE_EVENT_NUM   12 | 
      
 
 
◆ PW_VERSION_CLIENT_NODE_EVENTS
      
        
          | #define PW_VERSION_CLIENT_NODE_EVENTS   1 | 
      
 
 
◆ PW_CLIENT_NODE_METHOD_ADD_LISTENER
      
        
          | #define PW_CLIENT_NODE_METHOD_ADD_LISTENER   0 | 
      
 
 
◆ PW_CLIENT_NODE_METHOD_GET_NODE
      
        
          | #define PW_CLIENT_NODE_METHOD_GET_NODE   1 | 
      
 
 
◆ PW_CLIENT_NODE_METHOD_UPDATE
      
        
          | #define PW_CLIENT_NODE_METHOD_UPDATE   2 | 
      
 
 
◆ PW_CLIENT_NODE_METHOD_PORT_UPDATE
      
        
          | #define PW_CLIENT_NODE_METHOD_PORT_UPDATE   3 | 
      
 
 
◆ PW_CLIENT_NODE_METHOD_SET_ACTIVE
      
        
          | #define PW_CLIENT_NODE_METHOD_SET_ACTIVE   4 | 
      
 
 
◆ PW_CLIENT_NODE_METHOD_EVENT
      
        
          | #define PW_CLIENT_NODE_METHOD_EVENT   5 | 
      
 
 
◆ PW_CLIENT_NODE_METHOD_PORT_BUFFERS
      
        
          | #define PW_CLIENT_NODE_METHOD_PORT_BUFFERS   6 | 
      
 
 
◆ PW_CLIENT_NODE_METHOD_NUM
      
        
          | #define PW_CLIENT_NODE_METHOD_NUM   7 | 
      
 
 
◆ PW_VERSION_CLIENT_NODE_METHODS
      
        
          | #define PW_VERSION_CLIENT_NODE_METHODS   0 | 
      
 
 
◆ pw_client_node_add_listener()
◆ pw_client_node_get_node()
◆ pw_client_node_update()
◆ pw_client_node_port_update()
◆ pw_client_node_set_active()
◆ pw_client_node_event()
◆ pw_client_node_port_buffers()
◆ update
Update the node ports and properties. 
Update the maximum number of ports and the params of the client node. 
- Parameters
- 
  
    | change_mask | bitfield with changed parameters |  | max_input_ports | new max input ports |  | max_output_ports | new max output ports |  | params | new params |  
 
 
 
◆ port_update
Update a node port. 
Update the information of one port of a node. 
- Parameters
- 
  
    | direction | the direction of the port |  | port_id | the port id to update |  | change_mask | a bitfield of changed items |  | n_params | number of port parameters |  | params | array of port parameters |  | info | port information |