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/* PipeWire
*
* Copyright © 2019 Wim Taymans
*
* 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 SM_MEDIA_SESSION_H
#define SM_MEDIA_SESSION_H
#include <spa/monitor/device.h>
#ifdef __cplusplus
extern "C" {
#endif
#define SM_TYPE_MEDIA_SESSION PW_TYPE_INFO_OBJECT_BASE "SessionManager"
struct sm_media_session;
struct sm_object_events {
#define SM_VERSION_OBJECT_EVENTS 0
uint32_t version;
void (*update) (void *data);
void (*destroy) (void *data);
};
struct sm_object {
uint32_t id;
uint32_t type;
struct spa_list link;
struct sm_media_session *session;
#define SM_OBJECT_CHANGE_MASK_LISTENER (1<<1)
#define SM_OBJECT_CHANGE_MASK_PROPERTIES (1<<2)
#define SM_OBJECT_CHANGE_MASK_BIND (1<<3)
#define SM_OBJECT_CHANGE_MASK_LAST (1<<8)
uint32_t mask; /**< monitored info */
uint32_t avail; /**< available info */
uint32_t changed; /**< changed since last update */
struct pw_properties *props; /**< global properties */
struct pw_proxy *proxy;
struct spa_hook proxy_listener;
struct spa_hook object_listener;
pw_destroy_t destroy;
struct spa_hook_list hooks;
struct spa_list data;
};
int sm_object_add_listener(struct sm_object *obj, struct spa_hook *listener,
const struct sm_object_events *events, void *data);
struct sm_param {
uint32_t id;
struct spa_list link; /**< link in param_list */
struct spa_pod *param;
};
/** get user data with \a id and \a size to an object */
void *sm_object_add_data(struct sm_object *obj, const char *id, size_t size);
void *sm_object_get_data(struct sm_object *obj, const char *id);
int sm_object_remove_data(struct sm_object *obj, const char *id);
int sm_object_destroy(struct sm_object *obj);
struct sm_client {
struct sm_object obj;
#define SM_CLIENT_CHANGE_MASK_INFO (SM_OBJECT_CHANGE_MASK_LAST<<0)
#define SM_CLIENT_CHANGE_MASK_PERMISSIONS (SM_OBJECT_CHANGE_MASK_LAST<<1)
struct pw_client_info *info;
};
struct sm_device {
struct sm_object obj;
unsigned int subscribe:1; /**< if we subscribed to param changes */
#define SM_DEVICE_CHANGE_MASK_INFO (SM_OBJECT_CHANGE_MASK_LAST<<0)
#define SM_DEVICE_CHANGE_MASK_PARAMS (SM_OBJECT_CHANGE_MASK_LAST<<1)
#define SM_DEVICE_CHANGE_MASK_NODES (SM_OBJECT_CHANGE_MASK_LAST<<2)
uint32_t n_params;
struct spa_list param_list; /**< list of sm_param */
struct pw_device_info *info;
struct spa_list node_list;
};
struct sm_node {
struct sm_object obj;
struct sm_device *device; /**< optional device */
struct spa_list link; /**< link in device node_list */
unsigned int subscribe:1; /**< if we subscribed to param changes */
uint32_t last_id;
#define SM_NODE_CHANGE_MASK_INFO (SM_OBJECT_CHANGE_MASK_LAST<<0)
#define SM_NODE_CHANGE_MASK_PARAMS (SM_OBJECT_CHANGE_MASK_LAST<<1)
#define SM_NODE_CHANGE_MASK_PORTS (SM_OBJECT_CHANGE_MASK_LAST<<2)
uint32_t n_params;
struct spa_list param_list; /**< list of sm_param */
struct pw_node_info *info;
struct spa_list port_list;
};
struct sm_port {
struct sm_object obj;
enum pw_direction direction;
struct sm_node *node;
struct spa_list link; /**< link in node port_list */
#define SM_PORT_CHANGE_MASK_INFO (SM_OBJECT_CHANGE_MASK_LAST<<0)
struct pw_port_info *info;
};
struct sm_session {
struct sm_object obj;
#define SM_SESSION_CHANGE_MASK_INFO (SM_OBJECT_CHANGE_MASK_LAST<<0)
#define SM_SESSION_CHANGE_MASK_ENDPOINTS (SM_OBJECT_CHANGE_MASK_LAST<<1)
struct pw_session_info *info;
struct spa_list endpoint_list;
};
struct sm_endpoint {
struct sm_object obj;
int32_t priority;
struct sm_session *session;
struct spa_list link; /**< link in session endpoint_list */
#define SM_ENDPOINT_CHANGE_MASK_INFO (SM_OBJECT_CHANGE_MASK_LAST<<0)
#define SM_ENDPOINT_CHANGE_MASK_STREAMS (SM_OBJECT_CHANGE_MASK_LAST<<1)
struct pw_endpoint_info *info;
struct spa_list stream_list;
};
struct sm_endpoint_stream {
struct sm_object obj;
int32_t priority;
struct sm_endpoint *endpoint;
struct spa_list link; /**< link in endpoint stream_list */
struct spa_list link_list; /**< list of links */
#define SM_ENDPOINT_STREAM_CHANGE_MASK_INFO (SM_OBJECT_CHANGE_MASK_LAST<<0)
struct pw_endpoint_stream_info *info;
};
struct sm_endpoint_link {
struct sm_object obj;
struct spa_list link; /**< link in session link_list */
struct spa_list output_link;
struct sm_endpoint_stream *output;
struct spa_list input_link;
struct sm_endpoint_stream *input;
#define SM_ENDPOINT_LINK_CHANGE_MASK_INFO (SM_OBJECT_CHANGE_MASK_LAST<<0)
struct pw_endpoint_link_info *info;
};
struct sm_media_session_events {
#define SM_VERSION_MEDIA_SESSION_EVENTS 0
uint32_t version;
void (*create) (void *data, struct sm_object *object);
void (*remove) (void *data, struct sm_object *object);
void (*rescan) (void *data, int seq);
};
struct sm_media_session {
struct sm_session *session; /** session object managed by this session */
struct pw_loop *loop; /** the main loop */
struct pw_context *context;
struct spa_dbus_connection *dbus_connection;
};
int sm_media_session_add_listener(struct sm_media_session *sess, struct spa_hook *listener,
const struct sm_media_session_events *events, void *data);
int sm_media_session_roundtrip(struct sm_media_session *sess);
int sm_media_session_sync(struct sm_media_session *sess,
void (*callback) (void *data), void *data);
struct sm_object *sm_media_session_find_object(struct sm_media_session *sess, uint32_t id);
int sm_media_session_schedule_rescan(struct sm_media_session *sess);
struct pw_proxy *sm_media_session_export(struct sm_media_session *sess,
uint32_t type, const struct spa_dict *props,
void *object, size_t user_data_size);
struct sm_device *sm_media_session_export_device(struct sm_media_session *sess,
const struct spa_dict *props, struct spa_device *device);
struct pw_proxy *sm_media_session_create_object(struct sm_media_session *sess,
const char *factory_name, uint32_t type, uint32_t version,
const struct spa_dict *props, size_t user_data_size);
struct sm_node *sm_media_session_create_node(struct sm_media_session *sess,
const char *factory_name, const struct spa_dict *props);
int sm_media_session_create_links(struct sm_media_session *sess,
const struct spa_dict *dict);
#ifdef __cplusplus
}
#endif
#endif
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