mirror of
https://git.kernel.org/pub/scm/bluetooth/bluez.git
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246 lines
9.2 KiB
C
246 lines
9.2 KiB
C
/*
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*
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* BlueZ - Bluetooth protocol stack for Linux
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*
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* Copyright (C) 2014 Intel Corporation. All rights reserved.
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*
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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/* Control PDU ids */
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#define AVRCP_GET_CAPABILITIES 0x10
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#define AVRCP_LIST_PLAYER_ATTRIBUTES 0X11
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#define AVRCP_LIST_PLAYER_VALUES 0x12
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#define AVRCP_GET_CURRENT_PLAYER_VALUE 0x13
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#define AVRCP_SET_PLAYER_VALUE 0x14
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#define AVRCP_GET_PLAYER_ATTRIBUTE_TEXT 0x15
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#define AVRCP_GET_PLAYER_VALUE_TEXT 0x16
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#define AVRCP_DISPLAYABLE_CHARSET 0x17
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#define AVRCP_CT_BATTERY_STATUS 0x18
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#define AVRCP_GET_ELEMENT_ATTRIBUTES 0x20
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#define AVRCP_GET_PLAY_STATUS 0x30
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#define AVRCP_REGISTER_NOTIFICATION 0x31
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#define AVRCP_REQUEST_CONTINUING 0x40
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#define AVRCP_ABORT_CONTINUING 0x41
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#define AVRCP_SET_ABSOLUTE_VOLUME 0x50
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#define AVRCP_SET_ADDRESSED_PLAYER 0x60
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#define AVRCP_SET_BROWSED_PLAYER 0x70
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#define AVRCP_GET_FOLDER_ITEMS 0x71
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#define AVRCP_CHANGE_PATH 0x72
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#define AVRCP_GET_ITEM_ATTRIBUTES 0x73
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#define AVRCP_PLAY_ITEM 0x74
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#define AVRCP_SEARCH 0x80
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#define AVRCP_ADD_TO_NOW_PLAYING 0x90
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#define AVRCP_GENERAL_REJECT 0xA0
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/* Notification events */
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#define AVRCP_EVENT_STATUS_CHANGED 0x01
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#define AVRCP_EVENT_TRACK_CHANGED 0x02
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#define AVRCP_EVENT_TRACK_REACHED_END 0x03
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#define AVRCP_EVENT_TRACK_REACHED_START 0x04
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#define AVRCP_EVENT_PLAYBACK_POS_CHANGED 0x05
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#define AVRCP_EVENT_SETTINGS_CHANGED 0x08
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#define AVRCP_EVENT_AVAILABLE_PLAYERS_CHANGED 0x0a
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#define AVRCP_EVENT_ADDRESSED_PLAYER_CHANGED 0x0b
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#define AVRCP_EVENT_UIDS_CHANGED 0x0c
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#define AVRCP_EVENT_VOLUME_CHANGED 0x0d
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#define AVRCP_EVENT_LAST AVRCP_EVENT_VOLUME_CHANGED
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/* Status codes */
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#define AVRCP_STATUS_INVALID_COMMAND 0x00
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#define AVRCP_STATUS_INVALID_PARAM 0x01
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#define AVRCP_STATUS_PARAM_NOT_FOUND 0x02
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#define AVRCP_STATUS_INTERNAL_ERROR 0x03
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#define AVRCP_STATUS_SUCCESS 0x04
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#define AVRCP_STATUS_OUT_OF_BOUNDS 0x0b
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#define AVRCP_STATUS_INVALID_PLAYER_ID 0x11
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#define AVRCP_STATUS_PLAYER_NOT_BROWSABLE 0x12
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#define AVRCP_STATUS_NO_AVAILABLE_PLAYERS 0x15
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#define AVRCP_STATUS_ADDRESSED_PLAYER_CHANGED 0x16
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/* Capabilities for AVRCP_GET_CAPABILITIES pdu */
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#define CAP_COMPANY_ID 0x02
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#define CAP_EVENTS_SUPPORTED 0x03
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/* Player Attributes */
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#define AVRCP_ATTRIBUTE_ILEGAL 0x00
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#define AVRCP_ATTRIBUTE_EQUALIZER 0x01
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#define AVRCP_ATTRIBUTE_REPEAT_MODE 0x02
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#define AVRCP_ATTRIBUTE_SHUFFLE 0x03
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#define AVRCP_ATTRIBUTE_SCAN 0x04
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#define AVRCP_ATTRIBUTE_LAST AVRCP_ATTRIBUTE_SCAN
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/* equalizer values */
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#define AVRCP_EQUALIZER_OFF 0x01
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#define AVRCP_EQUALIZER_ON 0x02
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/* repeat mode values */
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#define AVRCP_REPEAT_MODE_OFF 0x01
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#define AVRCP_REPEAT_MODE_SINGLE 0x02
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#define AVRCP_REPEAT_MODE_ALL 0x03
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#define AVRCP_REPEAT_MODE_GROUP 0x04
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/* shuffle values */
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#define AVRCP_SHUFFLE_OFF 0x01
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#define AVRCP_SHUFFLE_ALL 0x02
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#define AVRCP_SHUFFLE_GROUP 0x03
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/* scan values */
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#define AVRCP_SCAN_OFF 0x01
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#define AVRCP_SCAN_ALL 0x02
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#define AVRCP_SCAN_GROUP 0x03
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/* media attributes */
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#define AVRCP_MEDIA_ATTRIBUTE_ILLEGAL 0x00
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#define AVRCP_MEDIA_ATTRIBUTE_TITLE 0x01
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#define AVRCP_MEDIA_ATTRIBUTE_ARTIST 0x02
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#define AVRCP_MEDIA_ATTRIBUTE_ALBUM 0x03
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#define AVRCP_MEDIA_ATTRIBUTE_TRACK 0x04
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#define AVRCP_MEDIA_ATTRIBUTE_N_TRACKS 0x05
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#define AVRCP_MEDIA_ATTRIBUTE_GENRE 0x06
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#define AVRCP_MEDIA_ATTRIBUTE_DURATION 0x07
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#define AVRCP_MEDIA_ATTRIBUTE_LAST AVRCP_MEDIA_ATTRIBUTE_DURATION
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/* Company IDs for vendor dependent commands */
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#define IEEEID_BTSIG 0x001958
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/* Parameters legths */
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#define AVRCP_REGISTER_NOTIFICATION_PARAM_LENGTH 5
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struct avrcp;
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struct avrcp_control_handler {
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uint8_t id;
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uint8_t code;
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uint8_t rsp;
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ssize_t (*func) (struct avrcp *session, uint8_t transaction,
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uint16_t params_len, uint8_t *params, void *user_data);
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};
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struct avrcp_control_ind {
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int (*get_capabilities) (struct avrcp *session, uint8_t transaction,
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void *user_data);
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int (*list_attributes) (struct avrcp *session, uint8_t transaction,
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void *user_data);
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int (*get_attribute_text) (struct avrcp *session, uint8_t transaction,
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uint8_t number, uint8_t *attrs,
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void *user_data);
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int (*list_values) (struct avrcp *session, uint8_t transaction,
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uint8_t attr, void *user_data);
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int (*get_value_text) (struct avrcp *session, uint8_t transaction,
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uint8_t attr, uint8_t number,
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uint8_t *values, void *user_data);
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int (*get_value) (struct avrcp *session, uint8_t transaction,
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uint8_t number, uint8_t *attrs,
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void *user_data);
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int (*set_value) (struct avrcp *session, uint8_t transaction,
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uint8_t number, uint8_t *attrs,
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void *user_data);
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int (*get_play_status) (struct avrcp *session, uint8_t transaction,
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void *user_data);
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int (*get_element_attributes) (struct avrcp *session,
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uint8_t transaction, uint64_t uid,
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uint8_t number, uint32_t *attrs,
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void *user_data);
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int (*register_notification) (struct avrcp *session,
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uint8_t transaction, uint8_t event,
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uint32_t interval, void *user_data);
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int (*set_addressed) (struct avrcp *session, uint8_t transaction,
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uint16_t id, void *user_data);
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};
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struct avrcp_control_cfm {
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void (*get_capabilities) (struct avrcp *session, int err,
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uint8_t number, uint8_t *params,
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void *user_data);
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};
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struct avrcp_passthrough_handler {
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uint8_t op;
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bool (*func) (struct avrcp *session, bool pressed, void *user_data);
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};
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typedef void (*avrcp_destroy_cb_t) (void *user_data);
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struct avrcp *avrcp_new(int fd, size_t imtu, size_t omtu, uint16_t version);
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void avrcp_shutdown(struct avrcp *session);
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void avrcp_set_destroy_cb(struct avrcp *session, avrcp_destroy_cb_t cb,
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void *user_data);
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void avrcp_register_player(struct avrcp *session,
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const struct avrcp_control_ind *ind,
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const struct avrcp_control_cfm *cfm,
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void *user_data);
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void avrcp_set_passthrough_handlers(struct avrcp *session,
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const struct avrcp_passthrough_handler *handlers,
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void *user_data);
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int avrcp_init_uinput(struct avrcp *session, const char *name,
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const char *address);
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int avrcp_send(struct avrcp *session, uint8_t transaction, uint8_t code,
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uint8_t subunit, uint8_t pdu_id,
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uint8_t *params, size_t params_len);
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int avrcp_get_capabilities(struct avrcp *session, uint8_t param);
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int avrcp_register_notification(struct avrcp *session, uint8_t event,
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uint32_t interval, avctp_rsp_cb func,
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void *user_data);
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int avrcp_list_player_attributes(struct avrcp *session, avctp_rsp_cb func,
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void *user_data);
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int avrcp_get_player_attribute_text(struct avrcp *session, uint8_t *attributes,
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uint8_t attr_len, avctp_rsp_cb func,
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void *user_data);
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int avrcp_set_player_value(struct avrcp *session, uint8_t *attributes,
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uint8_t attr_count, uint8_t *values,
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avctp_rsp_cb func, void *user_data);
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int avrcp_get_current_player_value(struct avrcp *session, uint8_t *attrs,
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uint8_t attr_count, avctp_rsp_cb func,
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void *user_data);
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int avrcp_get_play_status(struct avrcp *session, avctp_rsp_cb func,
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void *user_data);
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int avrcp_set_volume(struct avrcp *session, uint8_t volume, avctp_rsp_cb func,
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void *user_data);
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int avrcp_get_element_attributes(struct avrcp *session, avctp_rsp_cb func,
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void *user_data);
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int avrcp_set_addressed_player(struct avrcp *session, uint16_t player_id,
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avctp_rsp_cb func, void *user_data);
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int avrcp_get_capabilities_rsp(struct avrcp *session, uint8_t transaction,
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uint8_t number, uint8_t *events);
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int avrcp_list_player_attributes_rsp(struct avrcp *session, uint8_t transaction,
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uint8_t number, uint8_t *attrs);
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int avrcp_get_player_attribute_text_rsp(struct avrcp *session,
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uint8_t transaction, uint8_t number,
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uint8_t *attrs, const char **text);
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int avrcp_list_player_values_rsp(struct avrcp *session, uint8_t transaction,
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uint8_t number, uint8_t *values);
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int avrcp_get_play_status_rsp(struct avrcp *session, uint8_t transaction,
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uint32_t position, uint32_t duration,
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uint8_t status);
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int avrcp_get_player_values_text_rsp(struct avrcp *session,
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uint8_t transaction, uint8_t number,
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uint8_t *values, const char **text);
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int avrcp_get_current_player_value_rsp(struct avrcp *session,
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uint8_t transaction, uint8_t number,
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uint8_t *attrs, uint8_t *values);
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int avrcp_get_element_attrs_rsp(struct avrcp *session, uint8_t transaction,
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uint8_t *params, size_t params_len);
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int avrcp_register_notification_rsp(struct avrcp *session, uint8_t transaction,
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uint8_t code, uint8_t *params,
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size_t params_len);
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int avrcp_set_addressed_player_rsp(struct avrcp *session, uint8_t transaction,
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uint8_t status);
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int avrcp_send_passthrough(struct avrcp *session, uint32_t vendor, uint8_t op);
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