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bluez5: implement HFP codec switching

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Implement switching HFP codecs in bluez5-devices, currently only for
backend-native.

Codecs are exposed via profiles similarly as for A2DP.

Some hardware appears to not properly reply to the +BCS message. Catch
these cases with a timeout, in which case we fall back to previously
existing transports.
This commit is contained in:
Pauli Virtanen 2021-03-18 23:15:03 +02:00 • committed by Wim Taymans
parent e18df4e344
commit 79e098bdf2
4 changed files with 348 additions and 71 deletions
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6
spa/plugins/bluez5/defs.h
View file

@ -430,6 +430,8 @@ int spa_bt_device_check_profiles(struct spa_bt_device *device, bool force);
int spa_bt_device_ensure_a2dp_codec(struct spa_bt_device *device, const struct a2dp_codec **codecs);
bool spa_bt_device_supports_a2dp_codec(struct spa_bt_device *device, const struct a2dp_codec *codec);
const struct a2dp_codec **spa_bt_device_get_supported_a2dp_codecs(struct spa_bt_device *device, size_t *count);
int spa_bt_device_ensure_hfp_codec(struct spa_bt_device *device, unsigned int codec);
int spa_bt_device_supports_hfp_codec(struct spa_bt_device *device, unsigned int codec);
int spa_bt_device_release_transports(struct spa_bt_device *device);
int spa_bt_device_report_battery_level(struct spa_bt_device *device, uint8_t percentage);
@ -562,6 +564,8 @@ struct spa_bt_backend_implementation {
int (*unregister_profiles) (void *data);
int (*unregistered) (void *data);
int (*add_filters) (void *data);
int (*ensure_codec) (void *data, struct spa_bt_device *device, unsigned int codec);
int (*supports_codec) (void *data, struct spa_bt_device *device, unsigned int codec);
};
struct spa_bt_backend {
@ -586,6 +590,8 @@ struct spa_bt_backend {
#define spa_bt_backend_unregister_profiles(b) spa_bt_backend_impl(b, unregister_profiles, 0)
#define spa_bt_backend_unregistered(b) spa_bt_backend_impl(b, unregistered, 0)
#define spa_bt_backend_add_filters(b) spa_bt_backend_impl(b, add_filters, 0)
#define spa_bt_backend_ensure_codec(b,...) spa_bt_backend_impl(b, ensure_codec, 0, __VA_ARGS__)
#define spa_bt_backend_supports_codec(b,...) spa_bt_backend_impl(b, supports_codec, 0, __VA_ARGS__)
static inline struct spa_bt_backend *dummy_backend_new(struct spa_bt_monitor *monitor,
void *dbus_connection,