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media-session: improve param enumeration

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Don't use subscribe, enum is more manageable.
Use user data field to check for changes.
Only enumerate readable params.
Enum all node params.
This commit is contained in:
Wim Taymans 2020-07-31 13:59:25 +02:00
parent f231392093
commit 5e51cbe48e
2 changed files with 31 additions and 37 deletions
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3
src/examples/media-session/media-session.h
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@ -120,7 +120,6 @@ struct sm_client {
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)
@ -137,8 +136,6 @@ struct sm_node {
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)