avrcp.h (d1cf25b11e8f9d3621cc2b6bcd38f0673528617e) avrcp.h (665a00cb2a19afbc8656616d55848cad7bec956a)
1/*
2 * Copyright (C) 2016 BlueKitchen GmbH
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright

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41 * Audio/Video Remote Control Profile
42 *
43 */
44
45#ifndef AVRCP_H
46#define AVRCP_H
47
48#include <stdint.h>
1/*
2 * Copyright (C) 2016 BlueKitchen GmbH
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright

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41 * Audio/Video Remote Control Profile
42 *
43 */
44
45#ifndef AVRCP_H
46#define AVRCP_H
47
48#include <stdint.h>
49
49#include "btstack_run_loop.h"
50#include "btstack_linked_list.h"
51#include "l2cap.h"
52
53#if defined __cplusplus
54extern "C" {
55#endif
56
50#include "btstack_run_loop.h"
51#include "btstack_linked_list.h"
52#include "l2cap.h"
53
54#if defined __cplusplus
55extern "C" {
56#endif
57
58#define PSM_AVCTP_BROWSING 0x001b
59
60#define AVRCP_BROWSING_ITEM_HEADER_LEN 3
61#define AVRCP_BROWSING_MAX_NUM_ATTR_IDS 8
62
57#define BT_SIG_COMPANY_ID 0x001958
58#define AVRCP_MEDIA_ATTR_COUNT 7
59#define AVRCP_MAX_ATTRIBUTTE_SIZE 100
60#define AVRCP_ATTRIBUTE_HEADER_LEN 8
61#define AVRCP_MAX_FOLDER_NAME_SIZE 20
62
63#define AVRCP_NO_TRACK_SELECTED_PLAYBACK_POSITION_CHANGED 0xFFFFFFFF
63#define BT_SIG_COMPANY_ID 0x001958
64#define AVRCP_MEDIA_ATTR_COUNT 7
65#define AVRCP_MAX_ATTRIBUTTE_SIZE 100
66#define AVRCP_ATTRIBUTE_HEADER_LEN 8
67#define AVRCP_MAX_FOLDER_NAME_SIZE 20
68
69#define AVRCP_NO_TRACK_SELECTED_PLAYBACK_POSITION_CHANGED 0xFFFFFFFF
64// #define AVRCP_NO_TRACK_SELECTED_TRACK_CHANGED 0xFFFFFFFFFFFFFFFF
65
70
66#define AVRCP_BROWSING_ITEM_HEADER_LEN 3
67
68typedef enum {
69 AVRCP_STATUS_INVALID_COMMAND = 0, // sent if TG received a PDU that it did not understand.
70 AVRCP_STATUS_INVALID_PARAMETER, // Sent if the TG received a PDU with a parameter ID that it did not understand, or, if there is only one parameter ID in the PDU.
71 AVRCP_STATUS_SPECIFIED_PARAMETER_NOT_FOUND, // sent if the parameter ID is understood, but content is wrong or corrupted.
72 AVRCP_STATUS_INTERNAL_ERROR, // sent if there are error conditions not covered by a more specific error code.
73 AVRCP_STATUS_SUCCESS, // sent if the operation was successful.
74 AVRCP_STATUS_UID_CHANGED, // sent if the UIDs on the device have changed.
75 AVRCP_STATUS_RESERVED_6,

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105} avrcp_frame_type_t;
106
107
108typedef enum {
109 AVRCP_CAPABILITY_ID_COMPANY = 0x02,
110 AVRCP_CAPABILITY_ID_EVENT = 0x03
111} avrcp_capability_id_t;
112
71typedef enum {
72 AVRCP_STATUS_INVALID_COMMAND = 0, // sent if TG received a PDU that it did not understand.
73 AVRCP_STATUS_INVALID_PARAMETER, // Sent if the TG received a PDU with a parameter ID that it did not understand, or, if there is only one parameter ID in the PDU.
74 AVRCP_STATUS_SPECIFIED_PARAMETER_NOT_FOUND, // sent if the parameter ID is understood, but content is wrong or corrupted.
75 AVRCP_STATUS_INTERNAL_ERROR, // sent if there are error conditions not covered by a more specific error code.
76 AVRCP_STATUS_SUCCESS, // sent if the operation was successful.
77 AVRCP_STATUS_UID_CHANGED, // sent if the UIDs on the device have changed.
78 AVRCP_STATUS_RESERVED_6,

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108} avrcp_frame_type_t;
109
110
111typedef enum {
112 AVRCP_CAPABILITY_ID_COMPANY = 0x02,
113 AVRCP_CAPABILITY_ID_EVENT = 0x03
114} avrcp_capability_id_t;
115
113#define AVRCP_BROWSING_MAX_NUM_ATTR_IDS 8
114typedef enum {
115 AVRCP_MEDIA_ATTR_ALL = 0x0000,
116 AVRCP_MEDIA_ATTR_TITLE,
117 AVRCP_MEDIA_ATTR_ARTIST,
118 AVRCP_MEDIA_ATTR_ALBUM,
119 AVRCP_MEDIA_ATTR_TRACK,
120 AVRCP_MEDIA_ATTR_TOTAL_NUM_ITEMS,
121 AVRCP_MEDIA_ATTR_GENRE,

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293 AVCTP_W4_STOP,
294 AVCTP_W2_SEND_COMMAND,
295 AVCTP_W2_SEND_RESPONSE,
296 AVCTP_W2_RECEIVE_PRESS_RESPONSE,
297 AVCTP_W2_RECEIVE_RESPONSE,
298 AVCTP_W2_SEND_FRAGMENTED_COMMAND,
299} avctp_connection_state_t;
300
116typedef enum {
117 AVRCP_MEDIA_ATTR_ALL = 0x0000,
118 AVRCP_MEDIA_ATTR_TITLE,
119 AVRCP_MEDIA_ATTR_ARTIST,
120 AVRCP_MEDIA_ATTR_ALBUM,
121 AVRCP_MEDIA_ATTR_TRACK,
122 AVRCP_MEDIA_ATTR_TOTAL_NUM_ITEMS,
123 AVRCP_MEDIA_ATTR_GENRE,

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295 AVCTP_W4_STOP,
296 AVCTP_W2_SEND_COMMAND,
297 AVCTP_W2_SEND_RESPONSE,
298 AVCTP_W2_RECEIVE_PRESS_RESPONSE,
299 AVCTP_W2_RECEIVE_RESPONSE,
300 AVCTP_W2_SEND_FRAGMENTED_COMMAND,
301} avctp_connection_state_t;
302
301typedef enum {
302 AVRCP_BROWSING_MEDIA_PLAYER_LIST = 0x00,
303 AVRCP_BROWSING_MEDIA_PLAYER_VIRTUAL_FILESYSTEM,
304 AVRCP_BROWSING_SEARCH,
305 AVRCP_BROWSING_NOW_PLAYING
306} avrcp_browsing_scope_t;
307
308typedef struct {
309 uint16_t len;
310 uint8_t * value;
311} avrcp_now_playing_info_item_t;
312
313typedef struct {
314 uint8_t track_id[8];
315 uint16_t track_nr;

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328} avrcp_parser_state_t;
329
330
331typedef enum{
332 AVRCP_CONTROLLER = 0,
333 AVRCP_TARGET
334} avrcp_role_t;
335
303typedef struct {
304 uint16_t len;
305 uint8_t * value;
306} avrcp_now_playing_info_item_t;
307
308typedef struct {
309 uint8_t track_id[8];
310 uint16_t track_nr;

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323} avrcp_parser_state_t;
324
325
326typedef enum{
327 AVRCP_CONTROLLER = 0,
328 AVRCP_TARGET
329} avrcp_role_t;
330
331typedef enum {
332 AVRCP_SHUFFLE_MODE_INVALID,
333 AVRCP_SHUFFLE_MODE_OFF,
334 AVRCP_SHUFFLE_MODE_ALL_TRACKS,
335 AVRCP_SHUFFLE_MODE_GROUP
336} avrcp_shuffle_mode_t;
337
338typedef enum {
339 AVRCP_REPEAT_MODE_INVALID,
340 AVRCP_REPEAT_MODE_OFF,
341 AVRCP_REPEAT_MODE_SINGLE_TRACK,
342 AVRCP_REPEAT_MODE_ALL_TRACKS,
343 AVRCP_REPEAT_MODE_GROUP
344} avrcp_repeat_mode_t;
345
346typedef enum {
347 RFC2978_CHARSET_MIB_UTF8 = 106
348} rfc2978_charset_mib_enumid_t;
349
350typedef enum {
351 AVRCP_BROWSING_MEDIA_PLAYER_LIST = 0x00,
352 AVRCP_BROWSING_MEDIA_PLAYER_VIRTUAL_FILESYSTEM,
353 AVRCP_BROWSING_SEARCH,
354 AVRCP_BROWSING_NOW_PLAYING
355} avrcp_browsing_scope_t;
356
357
358
359
336// BROWSING
337typedef struct {
338 uint16_t l2cap_browsing_cid;
339
340 avctp_connection_state_t state;
341 bool wait_to_send;
342 uint8_t transaction_label;
343 // used for AVCTP fragmentation

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400 avrcp_subunit_type_t subunit_type;
401 avrcp_subunit_id_t subunit_id;
402 avrcp_packet_type_t packet_type;
403 uint8_t cmd_operands[200];
404 uint8_t cmd_operands_length;
405
406 bool incoming_declined;
407} avrcp_browsing_connection_t;
360// BROWSING
361typedef struct {
362 uint16_t l2cap_browsing_cid;
363
364 avctp_connection_state_t state;
365 bool wait_to_send;
366 uint8_t transaction_label;
367 // used for AVCTP fragmentation

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424 avrcp_subunit_type_t subunit_type;
425 avrcp_subunit_id_t subunit_id;
426 avrcp_packet_type_t packet_type;
427 uint8_t cmd_operands[200];
428 uint8_t cmd_operands_length;
429
430 bool incoming_declined;
431} avrcp_browsing_connection_t;
408// BROWSING END
409
410typedef struct {
411 btstack_linked_item_t item;
412
413 avrcp_role_t role;
414 bd_addr_t remote_addr;
415 uint16_t avrcp_l2cap_psm;
416 uint16_t l2cap_signaling_cid;

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509 uint16_t uid_counter;
510 // PTS requires definition of max num fragments
511 uint8_t max_num_fragments;
512 uint8_t num_received_fragments;
513
514 uint8_t accept_response;
515} avrcp_connection_t;
516
432
433typedef struct {
434 btstack_linked_item_t item;
435
436 avrcp_role_t role;
437 bd_addr_t remote_addr;
438 uint16_t avrcp_l2cap_psm;
439 uint16_t l2cap_signaling_cid;

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532 uint16_t uid_counter;
533 // PTS requires definition of max num fragments
534 uint8_t max_num_fragments;
535 uint8_t num_received_fragments;
536
537 uint8_t accept_response;
538} avrcp_connection_t;
539
517typedef enum {
518 AVRCP_SHUFFLE_MODE_INVALID,
519 AVRCP_SHUFFLE_MODE_OFF,
520 AVRCP_SHUFFLE_MODE_ALL_TRACKS,
521 AVRCP_SHUFFLE_MODE_GROUP
522} avrcp_shuffle_mode_t;
523
524typedef enum {
525 AVRCP_REPEAT_MODE_INVALID,
526 AVRCP_REPEAT_MODE_OFF,
527 AVRCP_REPEAT_MODE_SINGLE_TRACK,
528 AVRCP_REPEAT_MODE_ALL_TRACKS,
529 AVRCP_REPEAT_MODE_GROUP
530} avrcp_repeat_mode_t;
531
532typedef enum {
533 RFC2978_CHARSET_MIB_UTF8 = 106
534} rfc2978_charset_mib_enumid_t;
535
536typedef struct {
537 avrcp_role_t role;
538 btstack_packet_handler_t avrcp_callback;
539 btstack_packet_handler_t packet_handler;
540
541 bool (*set_addressed_player_callback)(uint16_t player_id);
542
543 btstack_packet_handler_t browsing_avrcp_callback;

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541 avrcp_role_t role;
542 btstack_packet_handler_t avrcp_callback;
543 btstack_packet_handler_t packet_handler;
544
545 bool (*set_addressed_player_callback)(uint16_t player_id);
546
547 btstack_packet_handler_t browsing_avrcp_callback;

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