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https://gitlab.freedesktop.org/pipewire/pipewire.git
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b8e202f02e
This allows implementing UI mechanisms to transfer the audio of a call to the HF (pipewire) only when the user explicitly asks/allows it. Normally, when a call is connected, the phone initiates a SCO connection and the HF accepts it, transfering audio automatically. In order to allow for user interaction, this patch enables the UI to set the RejectSCO property to 'true' in order to automatically reject the SCO connection. Later on, at the UI's discression, the audio may be reconnected by calling the Activate() method, which sends AT+BCC to re-initialize the SCO channel. A configuration file option is also added to configure the default value of the RejectSCO property. By setting this to 'true' in the config file, it is possible to implement rejecting the audio of a call that is already active at the time the Bluetooth connection to the phone initializes.
131 lines
4 KiB
C
131 lines
4 KiB
C
/* Spa Bluez5 Telephony D-Bus service */
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/* SPDX-FileCopyrightText: Copyright © 2024 Collabora Ltd. */
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/* SPDX-License-Identifier: MIT */
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#ifndef SPA_BLUEZ5_TELEPHONY_H
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#define SPA_BLUEZ5_TELEPHONY_H
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#include "defs.h"
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enum spa_bt_telephony_error {
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BT_TELEPHONY_ERROR_NONE = 0,
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BT_TELEPHONY_ERROR_FAILED,
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BT_TELEPHONY_ERROR_NOT_SUPPORTED,
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BT_TELEPHONY_ERROR_INVALID_FORMAT,
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BT_TELEPHONY_ERROR_INVALID_STATE,
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BT_TELEPHONY_ERROR_IN_PROGRESS,
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};
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enum spa_bt_telephony_call_state {
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CALL_STATE_ACTIVE,
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CALL_STATE_HELD,
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CALL_STATE_DIALING,
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CALL_STATE_ALERTING,
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CALL_STATE_INCOMING,
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CALL_STATE_WAITING,
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CALL_STATE_DISCONNECTED,
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};
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struct spa_bt_telephony {
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};
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struct spa_bt_telephony_ag_transport {
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int8_t codec;
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enum spa_bt_transport_state state;
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dbus_bool_t rejectSCO;
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};
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struct spa_bt_telephony_ag {
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struct spa_bt_telephony *telephony;
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struct spa_list call_list;
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int id;
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/* D-Bus properties */
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char *address;
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struct spa_bt_telephony_ag_transport transport;
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};
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struct spa_bt_telephony_call {
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struct spa_bt_telephony_ag *ag;
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struct spa_list link; /* link in ag->call_list */
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int id;
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/* D-Bus properties */
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char *line_identification;
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char *incoming_line;
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char *name;
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bool multiparty;
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enum spa_bt_telephony_call_state state;
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};
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struct spa_bt_telephony_ag_callbacks {
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#define SPA_VERSION_BT_TELEPHONY_AG_CALLBACKS 0
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uint32_t version;
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void (*dial)(void *data, const char *number, enum spa_bt_telephony_error *err);
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void (*swap_calls)(void *data, enum spa_bt_telephony_error *err);
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void (*release_and_answer)(void *data, enum spa_bt_telephony_error *err);
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void (*release_and_swap)(void *data, enum spa_bt_telephony_error *err);
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void (*hold_and_answer)(void *data, enum spa_bt_telephony_error *err);
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void (*hangup_all)(void *data, enum spa_bt_telephony_error *err);
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void (*create_multiparty)(void *data, enum spa_bt_telephony_error *err);
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void (*send_tones)(void *data, const char *tones, enum spa_bt_telephony_error *err);
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void (*transport_activate)(void *data, enum spa_bt_telephony_error *err);
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};
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struct spa_bt_telephony_call_callbacks {
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#define SPA_VERSION_BT_TELEPHONY_CALL_CALLBACKS 0
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uint32_t version;
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void (*answer)(void *data, enum spa_bt_telephony_error *err);
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void (*hangup)(void *data, enum spa_bt_telephony_error *err);
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};
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struct spa_bt_telephony *telephony_new(struct spa_log *log, struct spa_dbus *dbus,
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const struct spa_dict *info);
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void telephony_free(struct spa_bt_telephony *telephony);
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/* create/destroy the ag object */
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struct spa_bt_telephony_ag * telephony_ag_new(struct spa_bt_telephony *telephony,
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size_t user_data_size);
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void telephony_ag_destroy(struct spa_bt_telephony_ag *ag);
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/* get the user data structure; struct size is set when creating the AG */
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void *telephony_ag_get_user_data(struct spa_bt_telephony_ag *ag);
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void telephony_ag_set_callbacks(struct spa_bt_telephony_ag *ag,
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const struct spa_bt_telephony_ag_callbacks *cbs,
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void *data);
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void telephony_ag_transport_notify_updated_props(struct spa_bt_telephony_ag *ag);
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/* register/unregister AudioGateway object on the bus */
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int telephony_ag_register(struct spa_bt_telephony_ag *ag);
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void telephony_ag_unregister(struct spa_bt_telephony_ag *ag);
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/* create/destroy the call object */
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struct spa_bt_telephony_call * telephony_call_new(struct spa_bt_telephony_ag *ag,
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size_t user_data_size);
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void telephony_call_destroy(struct spa_bt_telephony_call *call);
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/* get the user data structure; struct size is set when creating the Call */
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void *telephony_call_get_user_data(struct spa_bt_telephony_call *call);
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/* register/unregister Call object on the bus */
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int telephony_call_register(struct spa_bt_telephony_call *call);
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void telephony_call_unregister(struct spa_bt_telephony_call *call);
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/* send message to notify about property changes */
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void telephony_call_notify_updated_props(struct spa_bt_telephony_call *call);
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void telephony_call_set_callbacks(struct spa_bt_telephony_call *call,
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const struct spa_bt_telephony_call_callbacks *cbs,
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void *data);
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#endif
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