mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2025-11-01 22:58:50 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

media-session: rework device reservation

Browse source 
Monitor the device reservation objects and mark the device available.
Don't select nodes from devices that are not available.
Acquire the device reservation when a device starts.
Release the device reservation when we suspend the device again.
This commit is contained in:
Wim Taymans 2020-02-19 18:15:57 +01:00
parent 11086f23ea
commit d3634aca7e
6 changed files with 188 additions and 59 deletions
Download patch file Download diff file Expand all files Collapse all files

18
src/examples/media-session/media-session.h
View file

@ -45,6 +45,14 @@ struct sm_object_events {
void (*destroy) (void *data);
};
struct sm_object_methods {
#define SM_VERSION_OBJECT_METHODS 0
uint32_t version;
int (*acquire) (void *data);
int (*release) (void *data);
};
struct sm_object {
uint32_t id;
const char *type;
@ -71,12 +79,20 @@ struct sm_object {
struct spa_hook handle_listener;
struct spa_hook_list hooks;
struct spa_callbacks methods;
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);
#define sm_object_call(o,...) spa_callbacks_call(&(o)->methods, struct sm_object_methods, __VA_ARGS__)
#define sm_object_call_res(o,...) spa_callbacks_call_res(&(o)->methods, struct sm_object_methods, 0, __VA_ARGS__)
#define sm_object_acquire(o) sm_object_call(o, acquire, 0)
#define sm_object_release(o) sm_object_call(o, release, 0)
struct sm_param {
uint32_t id;
struct spa_list link; /**< link in param_list */
@ -104,6 +120,7 @@ struct sm_device {
struct sm_object obj;
unsigned int subscribe:1; /**< if we subscribed to param changes */
unsigned int locked:1; /**< if the device is locked by someone else right now */
#define SM_DEVICE_CHANGE_MASK_INFO (SM_OBJECT_CHANGE_MASK_LAST<<0)
#define SM_DEVICE_CHANGE_MASK_PARAMS (SM_OBJECT_CHANGE_MASK_LAST<<1)
@ -114,7 +131,6 @@ struct sm_device {
struct spa_list node_list;
};
struct sm_node {
struct sm_object obj;