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a2dp: add events and implementation

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Use hooks for the implementation of the transport
Add events to the transport
Handle the destroy event of the transport to release the reference
in source and sink.
This commit is contained in:
Wim Taymans 2019-05-14 18:10:18 +02:00
parent 903cbeb7c1
commit f6ace8a000
4 changed files with 143 additions and 36 deletions
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46
spa/plugins/bluez5/defs.h
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@ -29,6 +29,8 @@
extern "C" {
#endif
#include <spa/utils/hook.h>
#define BLUEZ_SERVICE "org.bluez"
#define BLUEZ_PROFILE_MANAGER_INTERFACE BLUEZ_SERVICE ".ProfileManager1"
#define BLUEZ_PROFILE_INTERFACE BLUEZ_SERVICE ".Profile1"
@ -180,6 +182,22 @@ enum spa_bt_transport_state {
SPA_BT_TRANSPORT_STATE_ACTIVE,
};
struct spa_bt_transport_events {
#define SPA_VERSION_BT_TRANSPORT_EVENTS 0
uint32_t version;
void (*destroy) (void *data);
};
struct spa_bt_transport_implementation {
#define SPA_VERSION_BT_TRANSPORT_IMPLEMENTATION 0
uint32_t version;
int (*acquire) (void *data, bool optional);
int (*release) (void *data);
int (*destroy) (void *data);
};
struct spa_bt_transport {
struct spa_list link;
struct spa_bt_monitor *monitor;
@ -198,13 +216,31 @@ struct spa_bt_transport {
uint16_t write_mtu;
void *user_data;
int (*acquire) (struct spa_bt_transport *trans, bool optional);
int (*release) (struct spa_bt_transport *trans);
int (*destroy) (struct spa_bt_transport *trans);
struct spa_hook_list listener_list;
struct spa_hook impl;
};
#define spa_bt_transport_emit(t,m,v,...) spa_hook_list_call(&(t)->listener_list, \
struct spa_bt_transport_events, m, v, ##__VA_ARGS__)
#define spa_bt_transport_emit_destroy(t) spa_bt_transport_emit(t, destroy, 0)
#define spa_bt_transport_add_listener(t,listener,events,data) \
spa_hook_list_append(&(t)->listener_list, listener, events, data)
#define spa_bt_transport_set_implementation(t,_impl,_data) \
(t)->impl = SPA_HOOK_INIT(_impl, _data)
#define spa_bt_transport_impl(t,m,v,...) \
({ \
int res = 0; \
spa_hook_call_res(&(t)->impl, struct spa_bt_transport_implementation, res, m, v, ##__VA_ARGS__); \
res; \
})
#define spa_bt_transport_acquire(t,o) spa_bt_transport_impl(t, acquire, 0, o)
#define spa_bt_transport_release(t) spa_bt_transport_impl(t, release, 0)
#define spa_bt_transport_destroy(t) spa_bt_transport_impl(t, destroy, 0)
static inline enum spa_bt_transport_state spa_bt_transport_state_from_string(const char *value)
{
if (strcasecmp("idle", value) == 0)