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https://gitlab.freedesktop.org/pipewire/pipewire.git
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1af1fc846c
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.
137 lines
4.5 KiB
C
137 lines
4.5 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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BT_TELEPHONY_ERROR_CME,
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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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int volume[SPA_BT_VOLUME_ID_TERM];
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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, uint8_t *cme_error);
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void (*swap_calls)(void *data, enum spa_bt_telephony_error *err, uint8_t *cme_error);
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void (*release_and_answer)(void *data, enum spa_bt_telephony_error *err, uint8_t *cme_error);
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void (*release_and_swap)(void *data, enum spa_bt_telephony_error *err, uint8_t *cme_error);
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void (*hold_and_answer)(void *data, enum spa_bt_telephony_error *err, uint8_t *cme_error);
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void (*hangup_all)(void *data, enum spa_bt_telephony_error *err, uint8_t *cme_error);
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void (*create_multiparty)(void *data, enum spa_bt_telephony_error *err, uint8_t *cme_error);
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void (*send_tones)(void *data, const char *tones, enum spa_bt_telephony_error *err, uint8_t *cme_error);
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void (*transport_activate)(void *data, enum spa_bt_telephony_error *err, uint8_t *cme_error);
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void (*set_speaker_volume)(void *data, uint8_t volume, enum spa_bt_telephony_error *err, uint8_t *cme_error);
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void (*set_microphone_volume)(void *data, uint8_t volume, enum spa_bt_telephony_error *err, uint8_t *cme_error);
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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, uint8_t *cme_error);
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void (*hangup)(void *data, enum spa_bt_telephony_error *err, uint8_t *cme_error);
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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_notify_updated_props(struct spa_bt_telephony_ag *ag);
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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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