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| -rw-r--r-- | src/modules/module-protocol-native/v0/interfaces.h | 534 |
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diff --git a/src/modules/module-protocol-native/v0/interfaces.h b/src/modules/module-protocol-native/v0/interfaces.h new file mode 100644 index 0000000..dca9672 --- /dev/null +++ b/src/modules/module-protocol-native/v0/interfaces.h @@ -0,0 +1,534 @@ +/* PipeWire + * + * Copyright © 2016 Wim Taymans <wim.taymans@gmail.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef PIPEWIRE_INTERFACES_V0_H +#define PIPEWIRE_INTERFACES_V0_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <spa/utils/defs.h> +#include <spa/param/param.h> +#include <spa/node/node.h> + +#include <pipewire/pipewire.h> + +/** Core */ + +#define PW_VERSION_CORE_V0 0 + +#define PW_CORE_V0_METHOD_HELLO 0 +#define PW_CORE_V0_METHOD_UPDATE_TYPES 1 +#define PW_CORE_V0_METHOD_SYNC 2 +#define PW_CORE_V0_METHOD_GET_REGISTRY 3 +#define PW_CORE_V0_METHOD_CLIENT_UPDATE 4 +#define PW_CORE_V0_METHOD_PERMISSIONS 5 +#define PW_CORE_V0_METHOD_CREATE_OBJECT 6 +#define PW_CORE_V0_METHOD_DESTROY 7 +#define PW_CORE_V0_METHOD_NUM 8 + +/** + * Key to update default permissions of globals without specific + * permissions. value is "[r][w][x]" */ +#define PW_CORE_PERMISSIONS_DEFAULT "permissions.default" + +/** + * Key to update specific permissions of a global. If the global + * did not have specific permissions, it will first be assigned + * the default permissions before it is updated. + * Value is "<global-id>:[r][w][x]"*/ +#define PW_CORE_PERMISSIONS_GLOBAL "permissions.global" + +/** + * Key to update specific permissions of all existing globals. + * This is equivalent to using \ref PW_CORE_PERMISSIONS_GLOBAL + * on each global id individually that did not have specific + * permissions. + * Value is "[r][w][x]" */ +#define PW_CORE_PERMISSIONS_EXISTING "permissions.existing" + +#define PW_LINK_OUTPUT_NODE_ID "link.output_node.id" +#define PW_LINK_OUTPUT_PORT_ID "link.output_port.id" +#define PW_LINK_INPUT_NODE_ID "link.input_node.id" +#define PW_LINK_INPUT_PORT_ID "link.input_port.id" + +/** + * \struct pw_core_v0_methods + * \brief Core methods + * + * The core global object. This is a singleton object used for + * creating new objects in the remote PipeWire instance. It is + * also used for internal features. + */ +struct pw_core_v0_methods { +#define PW_VERSION_CORE_V0_METHODS 0 + uint32_t version; + /** + * Start a conversation with the server. This will send + * the core info and server types. + * + * All the existing resources for the client (except the core + * resource) will be destroyed. + */ + void (*hello) (void *object); + /** + * Update the type map + * + * Send a type map update to the PipeWire server. The server uses this + * information to keep a mapping between client types and the server types. + * \param first_id the id of the first type + * \param types the types as a string + * \param n_types the number of types + */ + void (*update_types) (void *object, + uint32_t first_id, + const char **types, + uint32_t n_types); + /** + * Do server roundtrip + * + * Ask the server to emit the 'done' event with \a id. + * Since methods are handled in-order and events are delivered + * in-order, this can be used as a barrier to ensure all previous + * methods and the resulting events have been handled. + * \param seq the sequence number passed to the done event + */ + void (*sync) (void *object, uint32_t seq); + /** + * Get the registry object + * + * Create a registry object that allows the client to list and bind + * the global objects available from the PipeWire server + * \param version the client proxy id + * \param id the client proxy id + */ + void (*get_registry) (void *object, uint32_t version, uint32_t new_id); + /** + * Update the client properties + * \param props the new client properties + */ + void (*client_update) (void *object, const struct spa_dict *props); + /** + * Manage the permissions of the global objects + * + * Update the permissions of the global objects using the + * dictionary with properties. + * + * Globals can use the default permissions or can have specific + * permissions assigned to them. + * + * \param id the global id to change + * \param props dictionary with permission properties + */ + void (*permissions) (void *object, const struct spa_dict *props); + /** + * Create a new object on the PipeWire server from a factory. + * Use a \a factory_name of "client-node" to create a + * \ref pw_client_node. + * + * \param factory_name the factory name to use + * \param type the interface to bind to + * \param version the version of the interface + * \param props extra properties + * \param new_id the client proxy id + */ + void (*create_object) (void *object, + const char *factory_name, + uint32_t type, + uint32_t version, + const struct spa_dict *props, + uint32_t new_id); + + /** + * Destroy an object id + * + * \param id the object id to destroy + */ + void (*destroy) (void *object, uint32_t id); +}; + +#define PW_CORE_V0_EVENT_UPDATE_TYPES 0 +#define PW_CORE_V0_EVENT_DONE 1 +#define PW_CORE_V0_EVENT_ERROR 2 +#define PW_CORE_V0_EVENT_REMOVE_ID 3 +#define PW_CORE_V0_EVENT_INFO 4 +#define PW_CORE_V0_EVENT_NUM 5 + +/** \struct pw_core_v0_events + * \brief Core events + * \ingroup pw_core_interface The pw_core interface + */ +struct pw_core_v0_events { +#define PW_VERSION_CORE_V0_EVENTS 0 + uint32_t version; + /** + * Update the type map + * + * Send a type map update to the client. The client uses this + * information to keep a mapping between server types and the client types. + * \param first_id the id of the first type + * \param types the types as a string + * \param n_types the number of \a types + */ + void (*update_types) (void *data, + uint32_t first_id, + const char **types, + uint32_t n_types); + /** + * Emit a done event + * + * The done event is emitted as a result of a sync method with the + * same sequence number. + * \param seq the sequence number passed to the sync method call + */ + void (*done) (void *data, uint32_t seq); + /** + * Fatal error event + * + * The error event is sent out when a fatal (non-recoverable) + * error has occurred. The id argument is the object where + * the error occurred, most often in response to a request to that + * object. The message is a brief description of the error, + * for (debugging) convenience. + * \param id object where the error occurred + * \param res error code + * \param error error description + */ + void (*error) (void *data, uint32_t id, int res, const char *error, ...); + /** + * Remove an object ID + * + * This event is used internally by the object ID management + * logic. When a client deletes an object, the server will send + * this event to acknowledge that it has seen the delete request. + * When the client receives this event, it will know that it can + * safely reuse the object ID. + * \param id deleted object ID + */ + void (*remove_id) (void *data, uint32_t id); + /** + * Notify new core info + * + * \param info new core info + */ + void (*info) (void *data, struct pw_core_info *info); +}; + +#define pw_core_resource_v0_update_types(r,...) pw_resource_notify(r,struct pw_core_v0_events,update_types,__VA_ARGS__) +#define pw_core_resource_v0_done(r,...) pw_resource_notify(r,struct pw_core_v0_events,done,__VA_ARGS__) +#define pw_core_resource_v0_error(r,...) pw_resource_notify(r,struct pw_core_v0_events,error,__VA_ARGS__) +#define pw_core_resource_v0_remove_id(r,...) pw_resource_notify(r,struct pw_core_v0_events,remove_id,__VA_ARGS__) +#define pw_core_resource_v0_info(r,...) pw_resource_notify(r,struct pw_core_v0_events,info,__VA_ARGS__) + + +#define PW_VERSION_REGISTRY_V0 0 + +/** \page page_registry Registry + * + * \section page_registry_overview Overview + * + * The registry object is a singleton object that keeps track of + * global objects on the PipeWire instance. See also \ref page_global. + * + * Global objects typically represent an actual object in PipeWire + * (for example, a module or node) or they are singleton + * objects such as the core. + * + * When a client creates a registry object, the registry object + * will emit a global event for each global currently in the + * registry. Globals come and go as a result of device hotplugs or + * reconfiguration or other events, and the registry will send out + * global and global_remove events to keep the client up to date + * with the changes. To mark the end of the initial burst of + * events, the client can use the pw_core.sync methosd immediately + * after calling pw_core.get_registry. + * + * A client can bind to a global object by using the bind + * request. This creates a client-side proxy that lets the object + * emit events to the client and lets the client invoke methods on + * the object. See \ref page_proxy + * + * Clients can also change the permissions of the global objects that + * it can see. This is interesting when you want to configure a + * pipewire session before handing it to another application. You + * can, for example, hide certain existing or new objects or limit + * the access permissions on an object. + */ +#define PW_REGISTRY_V0_METHOD_BIND 0 +#define PW_REGISTRY_V0_METHOD_NUM 1 + +/** Registry methods */ +struct pw_registry_v0_methods { +#define PW_VERSION_REGISTRY_V0_METHODS 0 + uint32_t version; + /** + * Bind to a global object + * + * Bind to the global object with \a id and use the client proxy + * with new_id as the proxy. After this call, methods can be + * send to the remote global object and events can be received + * + * \param id the global id to bind to + * \param type the interface type to bind to + * \param version the interface version to use + * \param new_id the client proxy to use + */ + void (*bind) (void *object, uint32_t id, uint32_t type, uint32_t version, uint32_t new_id); +}; + +#define PW_REGISTRY_V0_EVENT_GLOBAL 0 +#define PW_REGISTRY_V0_EVENT_GLOBAL_REMOVE 1 +#define PW_REGISTRY_V0_EVENT_NUM 2 + +/** Registry events */ +struct pw_registry_v0_events { +#define PW_VERSION_REGISTRY_V0_EVENTS 0 + uint32_t version; + /** + * Notify of a new global object + * + * The registry emits this event when a new global object is + * available. + * + * \param id the global object id + * \param parent_id the parent global id + * \param permissions the permissions of the object + * \param type the type of the interface + * \param version the version of the interface + * \param props extra properties of the global + */ + void (*global) (void *data, uint32_t id, uint32_t parent_id, + uint32_t permissions, uint32_t type, uint32_t version, + const struct spa_dict *props); + /** + * Notify of a global object removal + * + * Emitted when a global object was removed from the registry. + * If the client has any bindings to the global, it should destroy + * those. + * + * \param id the id of the global that was removed + */ + void (*global_remove) (void *data, uint32_t id); +}; + +#define pw_registry_resource_v0_global(r,...) pw_resource_notify(r,struct pw_registry_v0_events,global,__VA_ARGS__) +#define pw_registry_resource_v0_global_remove(r,...) pw_resource_notify(r,struct pw_registry_v0_events,global_remove,__VA_ARGS__) + + +#define PW_VERSION_MODULE_V0 0 + +#define PW_MODULE_V0_EVENT_INFO 0 +#define PW_MODULE_V0_EVENT_NUM 1 + +/** Module events */ +struct pw_module_v0_events { +#define PW_VERSION_MODULE_V0_EVENTS 0 + uint32_t version; + /** + * Notify module info + * + * \param info info about the module + */ + void (*info) (void *data, struct pw_module_info *info); +}; + +#define pw_module_resource_v0_info(r,...) pw_resource_notify(r,struct pw_module_v0_events,info,__VA_ARGS__) + +#define PW_VERSION_NODE_V0 0 + +#define PW_NODE_V0_EVENT_INFO 0 +#define PW_NODE_V0_EVENT_PARAM 1 +#define PW_NODE_V0_EVENT_NUM 2 + +/** Node events */ +struct pw_node_v0_events { +#define PW_VERSION_NODE_V0_EVENTS 0 + uint32_t version; + /** + * Notify node info + * + * \param info info about the node + */ + void (*info) (void *data, struct pw_node_info *info); + /** + * Notify a node param + * + * Event emitted as a result of the enum_params method. + * + * \param id the param id + * \param index the param index + * \param next the param index of the next param + * \param param the parameter + */ + void (*param) (void *data, + uint32_t id, uint32_t index, uint32_t next, + const struct spa_pod *param); +}; + +#define pw_node_resource_v0_info(r,...) pw_resource_notify(r,struct pw_node_v0_events,info,__VA_ARGS__) +#define pw_node_resource_v0_param(r,...) pw_resource_notify(r,struct pw_node_v0_events,param,__VA_ARGS__) + +#define PW_NODE_V0_METHOD_ENUM_PARAMS 0 +#define PW_NODE_V0_METHOD_NUM 1 + +/** Node methods */ +struct pw_node_v0_methods { +#define PW_VERSION_NODE_V0_METHODS 0 + uint32_t version; + /** + * Enumerate node parameters + * + * Start enumeration of node parameters. For each param, a + * param event will be emitted. + * + * \param id the parameter id to enum or PW_ID_ANY for all + * \param start the start index or 0 for the first param + * \param num the maximum number of params to retrieve + * \param filter a param filter or NULL + */ + void (*enum_params) (void *object, uint32_t id, uint32_t start, uint32_t num, + const struct spa_pod *filter); +}; + +#define PW_VERSION_PORT_V0 0 + +#define PW_PORT_V0_EVENT_INFO 0 +#define PW_PORT_V0_EVENT_PARAM 1 +#define PW_PORT_V0_EVENT_NUM 2 + +/** Port events */ +struct pw_port_v0_events { +#define PW_VERSION_PORT_V0_EVENTS 0 + uint32_t version; + /** + * Notify port info + * + * \param info info about the port + */ + void (*info) (void *data, struct pw_port_info *info); + /** + * Notify a port param + * + * Event emitted as a result of the enum_params method. + * + * \param id the param id + * \param index the param index + * \param next the param index of the next param + * \param param the parameter + */ + void (*param) (void *data, + uint32_t id, uint32_t index, uint32_t next, + const struct spa_pod *param); +}; + +#define pw_port_resource_v0_info(r,...) pw_resource_notify(r,struct pw_port_v0_events,info,__VA_ARGS__) +#define pw_port_resource_v0_param(r,...) pw_resource_notify(r,struct pw_port_v0_events,param,__VA_ARGS__) + +#define PW_PORT_V0_METHOD_ENUM_PARAMS 0 +#define PW_PORT_V0_METHOD_NUM 1 + +/** Port methods */ +struct pw_port_v0_methods { +#define PW_VERSION_PORT_V0_METHODS 0 + uint32_t version; + /** + * Enumerate port parameters + * + * Start enumeration of port parameters. For each param, a + * param event will be emitted. + * + * \param id the parameter id to enumerate + * \param start the start index or 0 for the first param + * \param num the maximum number of params to retrieve + * \param filter a param filter or NULL + */ + void (*enum_params) (void *object, uint32_t id, uint32_t start, uint32_t num, + const struct spa_pod *filter); +}; + +#define PW_VERSION_FACTORY_V0 0 + +#define PW_FACTORY_V0_EVENT_INFO 0 +#define PW_FACTORY_V0_EVENT_NUM 1 + +/** Factory events */ +struct pw_factory_v0_events { +#define PW_VERSION_FACTORY_V0_EVENTS 0 + uint32_t version; + /** + * Notify factory info + * + * \param info info about the factory + */ + void (*info) (void *data, struct pw_factory_info *info); +}; + +#define pw_factory_resource_v0_info(r,...) pw_resource_notify(r,struct pw_factory_v0_events,info,__VA_ARGS__) + +#define PW_VERSION_CLIENT_V0 0 + +#define PW_CLIENT_V0_EVENT_INFO 0 +#define PW_CLIENT_V0_EVENT_NUM 1 + +/** Client events */ +struct pw_client_v0_events { +#define PW_VERSION_CLIENT_V0_EVENTS 0 + uint32_t version; + /** + * Notify client info + * + * \param info info about the client + */ + void (*info) (void *data, struct pw_client_info *info); +}; + +#define pw_client_resource_v0_info(r,...) pw_resource_notify(r,struct pw_client_v0_events,info,__VA_ARGS__) + + +#define PW_VERSION_LINK_V0 0 + +#define PW_LINK_V0_EVENT_INFO 0 +#define PW_LINK_V0_EVENT_NUM 1 + +/** Link events */ +struct pw_link_v0_events { +#define PW_VERSION_LINK_V0_EVENTS 0 + uint32_t version; + /** + * Notify link info + * + * \param info info about the link + */ + void (*info) (void *data, struct pw_link_info *info); +}; + +#define pw_link_resource_v0_info(r,...) pw_resource_notify(r,struct pw_link_v0_events,info,__VA_ARGS__) + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* PIPEWIRE_INTERFACES_V0_H */ |