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https://gitlab.freedesktop.org/pipewire/pipewire.git
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interfaces: improve remote API
Add return values to events and method callbacks. This makes it possible to pass any error or async return value. Add sync/done/error in both directions so that both proxy and resource and perform/reply sync and produce errors. Return a SPA_ASYNC from remote method calls (and events), keep the sequence number in the connection. With the core sync/done we can remove the client-node done method and it's internal sequence number along with the seq number in method calls. We can also use the method/event async return value to perform a sync with as the unique sequence number for this method. Add sync method and done/error event to proxy and resource.
This commit is contained in:
Wim Taymans
parent
0d8821096a
commit
eea062ee53
41 changed files with 1180 additions and 817 deletions
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@ -48,21 +48,17 @@ struct pw_client_node_buffer {
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struct spa_buffer *buffer; /**< buffer describing metadata and buffer memory */
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};
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#define PW_CLIENT_NODE_PROXY_METHOD_DONE 0
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#define PW_CLIENT_NODE_PROXY_METHOD_UPDATE 1
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#define PW_CLIENT_NODE_PROXY_METHOD_PORT_UPDATE 2
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#define PW_CLIENT_NODE_PROXY_METHOD_SET_ACTIVE 3
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#define PW_CLIENT_NODE_PROXY_METHOD_EVENT 4
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#define PW_CLIENT_NODE_PROXY_METHOD_NUM 5
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#define PW_CLIENT_NODE_PROXY_METHOD_UPDATE 0
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#define PW_CLIENT_NODE_PROXY_METHOD_PORT_UPDATE 1
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#define PW_CLIENT_NODE_PROXY_METHOD_SET_ACTIVE 2
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#define PW_CLIENT_NODE_PROXY_METHOD_EVENT 3
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#define PW_CLIENT_NODE_PROXY_METHOD_NUM 4
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/** \ref pw_client_node methods */
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struct pw_client_node_proxy_methods {
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#define PW_VERSION_CLIENT_NODE_PROXY_METHODS 0
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uint32_t version;
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/** Complete an async operation */
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void (*done) (void *object, int seq, int res);
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/**
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* Update the node ports and properties
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*
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@ -73,7 +69,7 @@ struct pw_client_node_proxy_methods {
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* \param max_output_ports new max output ports
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* \param params new params
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*/
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void (*update) (void *object,
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int (*update) (void *object,
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#define PW_CLIENT_NODE_UPDATE_MAX_INPUTS (1 << 0)
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#define PW_CLIENT_NODE_UPDATE_MAX_OUTPUTS (1 << 1)
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#define PW_CLIENT_NODE_UPDATE_PARAMS (1 << 2)
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@ -96,7 +92,7 @@ struct pw_client_node_proxy_methods {
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* \param params array of port parameters
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* \param info port information
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*/
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void (*port_update) (void *object,
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int (*port_update) (void *object,
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enum spa_direction direction,
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uint32_t port_id,
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#define PW_CLIENT_NODE_PORT_UPDATE_PARAMS (1 << 0)
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@ -108,21 +104,15 @@ struct pw_client_node_proxy_methods {
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/**
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* Activate or deactivate the node
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*/
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void (*set_active) (void *object, bool active);
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int (*set_active) (void *object, bool active);
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/**
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* Send an event to the node
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* \param event the event to send
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*/
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void (*event) (void *object, struct spa_event *event);
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int (*event) (void *object, struct spa_event *event);
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};
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static inline void
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pw_client_node_proxy_done(struct pw_client_node_proxy *p, int seq, int res)
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{
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pw_proxy_do((struct pw_proxy*)p, struct pw_client_node_proxy_methods, done, seq, res);
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}
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static inline void
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static inline int
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pw_client_node_proxy_update(struct pw_client_node_proxy *p,
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uint32_t change_mask,
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uint32_t max_input_ports,
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@ -131,13 +121,13 @@ pw_client_node_proxy_update(struct pw_client_node_proxy *p,
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const struct spa_pod **params,
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const struct spa_dict *props)
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{
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pw_proxy_do((struct pw_proxy*)p, struct pw_client_node_proxy_methods, update, change_mask,
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return pw_proxy_do((struct pw_proxy*)p, struct pw_client_node_proxy_methods, update, change_mask,
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max_input_ports,
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max_output_ports,
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n_params, params, props);
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}
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static inline void
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static inline int
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pw_client_node_proxy_port_update(struct pw_client_node_proxy *p,
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enum spa_direction direction,
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uint32_t port_id,
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@ -146,7 +136,7 @@ pw_client_node_proxy_port_update(struct pw_client_node_proxy *p,
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const struct spa_pod **params,
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const struct spa_port_info *info)
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{
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pw_proxy_do((struct pw_proxy*)p, struct pw_client_node_proxy_methods, port_update, direction,
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return pw_proxy_do((struct pw_proxy*)p, struct pw_client_node_proxy_methods, port_update, direction,
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port_id,
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change_mask,
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n_params,
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@ -154,16 +144,16 @@ pw_client_node_proxy_port_update(struct pw_client_node_proxy *p,
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info);
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}
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static inline void
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static inline int
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pw_client_node_proxy_set_active(struct pw_client_node_proxy *p, bool active)
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{
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pw_proxy_do((struct pw_proxy*)p, struct pw_client_node_proxy_methods, set_active, active);
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return pw_proxy_do((struct pw_proxy*)p, struct pw_client_node_proxy_methods, set_active, active);
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}
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static inline void
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static inline int
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pw_client_node_proxy_event(struct pw_client_node_proxy *p, struct spa_event *event)
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{
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pw_proxy_do((struct pw_proxy*)p, struct pw_client_node_proxy_methods, event, event);
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return pw_proxy_do((struct pw_proxy*)p, struct pw_client_node_proxy_methods, event, event);
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}
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#define PW_CLIENT_NODE_PROXY_EVENT_ADD_MEM 0
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@ -201,11 +191,11 @@ struct pw_client_node_proxy_events {
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* \param memfd the fd of the memory
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* \param flags flags for the \a memfd
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*/
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void (*add_mem) (void *object,
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uint32_t mem_id,
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uint32_t type,
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int memfd,
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uint32_t flags);
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int (*add_mem) (void *object,
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uint32_t mem_id,
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uint32_t type,
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int memfd,
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uint32_t flags);
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/**
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* Notify of a new transport area
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*
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@ -215,24 +205,23 @@ struct pw_client_node_proxy_events {
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* \param readfd fd for signal data can be read
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* \param writefd fd for signal data can be written
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*/
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void (*transport) (void *object,
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uint32_t node_id,
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int readfd,
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int writefd);
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int (*transport) (void *object,
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uint32_t node_id,
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int readfd,
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int writefd);
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/**
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* Notify of a property change
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*
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* When the server configures the properties on the node
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* this event is sent
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*
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* \param seq a sequence number
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* \param id the id of the parameter
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* \param flags parameter flags
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* \param param the param to set
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*/
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void (*set_param) (void *object, uint32_t seq,
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uint32_t id, uint32_t flags,
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const struct spa_pod *param);
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int (*set_param) (void *object,
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uint32_t id, uint32_t flags,
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const struct spa_pod *param);
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/**
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* Configure an IO area for the client
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*
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@ -244,7 +233,7 @@ struct pw_client_node_proxy_events {
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* \param offset offset of io area in memory
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* \param size size of the io area
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*/
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void (*set_io) (void *object,
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int (*set_io) (void *object,
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uint32_t id,
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uint32_t mem_id,
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uint32_t offset,
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@ -252,51 +241,44 @@ struct pw_client_node_proxy_events {
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/**
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* Receive an event from the client node
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* \param event the received event */
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void (*event) (void *object, const struct spa_event *event);
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int (*event) (void *object, const struct spa_event *event);
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/**
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* Notify of a new node command
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*
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* \param seq a sequence number
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* \param command the command
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*/
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void (*command) (void *object, uint32_t seq, const struct spa_command *command);
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int (*command) (void *object, const struct spa_command *command);
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/**
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* A new port was added to the node
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*
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* The server can at any time add a port to the node when there
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* are free ports available.
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*
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* \param seq a sequence number
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* \param direction the direction of the port
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* \param port_id the new port id
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*/
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void (*add_port) (void *object,
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uint32_t seq,
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int (*add_port) (void *object,
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enum spa_direction direction,
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uint32_t port_id);
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/**
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* A port was removed from the node
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*
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* \param seq a sequence number
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* \param direction a port direction
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* \param port_id the remove port id
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*/
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void (*remove_port) (void *object,
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uint32_t seq,
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int (*remove_port) (void *object,
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enum spa_direction direction,
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uint32_t port_id);
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/**
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* A parameter was configured on the port
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*
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* \param seq a sequence number
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* \param direction a port direction
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* \param port_id the port id
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* \param id the id of the parameter
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* \param flags flags used when setting the param
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* \param param the new param
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*/
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void (*port_set_param) (void *object,
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uint32_t seq,
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int (*port_set_param) (void *object,
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enum spa_direction direction,
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uint32_t port_id,
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uint32_t id, uint32_t flags,
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@ -304,15 +286,13 @@ struct pw_client_node_proxy_events {
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/**
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* Notify the port of buffers
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*
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* \param seq a sequence number
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* \param direction a port direction
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* \param port_id the port id
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* \param mix_id the mixer port id
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* \param n_buffer the number of buffers
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* \param buffers and array of buffer descriptions
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*/
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void (*port_use_buffers) (void *object,
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uint32_t seq,
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int (*port_use_buffers) (void *object,
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enum spa_direction direction,
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uint32_t port_id,
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uint32_t mix_id,
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@ -321,7 +301,6 @@ struct pw_client_node_proxy_events {
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/**
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* Configure the io area with \a id of \a port_id.
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*
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* \param seq a sequence number
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* \param direction the direction of the port
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* \param port_id the port id
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* \param mix_id the mixer port id
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@ -330,8 +309,7 @@ struct pw_client_node_proxy_events {
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* \param offset offset of io area in memory
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* \param size size of the io area
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*/
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void (*port_set_io) (void *object,
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uint32_t seq,
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int (*port_set_io) (void *object,
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enum spa_direction direction,
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uint32_t port_id,
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uint32_t mix_id,
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@ -340,7 +318,7 @@ struct pw_client_node_proxy_events {
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uint32_t offset,
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uint32_t size);
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void (*set_activation) (void *object,
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int (*set_activation) (void *object,
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uint32_t node_id,
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int signalfd,
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uint32_t mem_id,
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