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media-session: track nodes we create

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Add a method to create a node and track the proxy. We can then
use this to track the params on a node.

Don't listen end enumerate the params in the monitors bbut let the
session do that. Use the collected params from the session to create
endpoints and streams.

Always activate the default stream on alsa nodes to create the
ports and have something we can present to apps.
This commit is contained in:
Wim Taymans 2019-11-26 12:53:28 +01:00
parent 80ac755670
commit c46753bcae
6 changed files with 273 additions and 179 deletions
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20
src/examples/media-session/media-session.h
View file

@ -32,6 +32,14 @@ extern "C" {
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;
@ -50,11 +58,17 @@ struct sm_object {
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;
};
@ -170,7 +184,7 @@ struct sm_media_session_events {
#define SM_VERSION_MEDIA_SESSION_EVENTS 0
uint32_t version;
void (*update) (void *data, struct sm_object *object);
void (*create) (void *data, struct sm_object *object);
void (*remove) (void *data, struct sm_object *object);
void (*rescan) (void *data, int seq);
@ -205,6 +219,10 @@ 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,
size_t user_data_size);
int sm_media_session_create_links(struct sm_media_session *sess,
const struct spa_dict *dict);