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bluez5: backend-native: Add volume support to HFP HF

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The volume synchronization could be done even if there's no audio link
and so no transport opened.

This patch allows to send the Speaker (AT+VGS) and Microphone (AT+VGM)
commands at the end of the SLC. And to exchange volume updates using the
telephony DBus interface, even without a transport.
This commit is contained in:
Frédéric Danis 2025-03-06 08:29:06 +01:00
parent 48a32e4ced
commit 1af1fc846c
3 changed files with 261 additions and 31 deletions
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5
spa/plugins/bluez5/telephony.h
View file

@ -45,6 +45,7 @@ struct spa_bt_telephony_ag {
/* D-Bus properties */
char *address;
int volume[SPA_BT_VOLUME_ID_TERM];
struct spa_bt_telephony_ag_transport transport;
};
@ -76,6 +77,9 @@ struct spa_bt_telephony_ag_callbacks {
void (*send_tones)(void *data, const char *tones, enum spa_bt_telephony_error *err, uint8_t *cme_error);
void (*transport_activate)(void *data, enum spa_bt_telephony_error *err, uint8_t *cme_error);
void (*set_speaker_volume)(void *data, uint8_t volume, enum spa_bt_telephony_error *err, uint8_t *cme_error);
void (*set_microphone_volume)(void *data, uint8_t volume, enum spa_bt_telephony_error *err, uint8_t *cme_error);
};
struct spa_bt_telephony_call_callbacks {
@ -103,6 +107,7 @@ void telephony_ag_set_callbacks(struct spa_bt_telephony_ag *ag,
const struct spa_bt_telephony_ag_callbacks *cbs,
void *data);
void telephony_ag_notify_updated_props(struct spa_bt_telephony_ag *ag);
void telephony_ag_transport_notify_updated_props(struct spa_bt_telephony_ag *ag);
/* register/unregister AudioGateway object on the bus */