xref: /btstack/src/classic/avrcp_target.h (revision c9921182ab4b1f83e3e5c671446dca5ffdf45b90)
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
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the copyright holders nor the names of
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15  *    from this software without specific prior written permission.
16  * 4. Any redistribution, use, or modification is done solely for
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19  *
20  * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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24  * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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33  * Please inquire about commercial licensing options at
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36  */
37 
38 /*
39  * avrcp_target.h
40  *
41  * Audio/Video Remote Control Profile
42  *
43  */
44 
45 #ifndef AVRCP_TARGET_H
46 #define AVRCP_TARGET_H
47 
48 #include <stdint.h>
49 #include "classic/avrcp.h"
50 
51 #if defined __cplusplus
52 extern "C" {
53 #endif
54 
55 /* API_START */
56 
57 typedef enum {
58     AVRCP_TARGET_SUPPORTED_FEATURE_CATEGORY_PLAYER_OR_RECORDER = 0,
59     AVRCP_TARGET_SUPPORTED_FEATURE_CATEGORY_MONITOR_OR_AMPLIFIER,
60     AVRCP_TARGET_SUPPORTED_FEATURE_CATEGORY_TUNER,
61     AVRCP_TARGET_SUPPORTED_FEATURE_CATEGORY_MENU,
62     AVRCP_TARGET_SUPPORTED_FEATURE_PLAYER_APPLICATION_SETTINGS, // AVRCP_TARGET_SUPPORTED_FEATURE_CATEGORY_PLAYER_OR_RECORDER must be 1 for this feature to be set
63     AVRCP_TARGET_SUPPORTED_FEATURE_RESERVED_GROUP_NAVIGATION,   // AVRCP_TARGET_SUPPORTED_FEATURE_CATEGORY_PLAYER_OR_RECORDER must be 1 for this feature to be set
64     AVRCP_TARGET_SUPPORTED_FEATURE_BROWSING,
65     AVRCP_TARGET_SUPPORTED_FEATURE_MULTIPLE_MEDIA_PLAYE_APPLICATIONS
66 } avrcp_target_supported_feature_t;
67 
68 /**
69  * @brief AVRCP Target service record.
70  * @param service
71  * @param service_record_handle
72  * @param supported_features 16-bit bitmap, see AVRCP_FEATURE_MASK_* in avrcp.h
73  * @param service_name
74  * @param service_provider_name
75  */
76 void    avrcp_target_create_sdp_record(uint8_t * service, uint32_t service_record_handle, uint16_t supported_features, const char * service_name, const char * service_provider_name);
77 
78 /**
79  * @brief Set up AVRCP Target service.
80  */
81 void    avrcp_target_init(void);
82 
83 /**
84  * @brief Register callback for the AVRCP Target client.
85  * @param callback
86  */
87 void    avrcp_target_register_packet_handler(btstack_packet_handler_t callback);
88 
89 /**
90  * @brief Select Player that is controlled by Controller
91  * @param callback
92  * @note Callback should return if selected player is valid
93  */
94 void avrcp_target_register_set_addressed_player_handler(bool (*callback)(uint16_t player_id));
95 
96 /**
97  * @brief Send a list of Company IDs supported by target.
98  * @note  The avrcp_target_packet_handler will receive AVRCP_SUBEVENT_COMPANY_IDS_QUERY event. Use this function to respond.
99  * @param avrcp_cid
100  * @param num_company_ids
101  * @param company_ids
102  * @param company_ids_size
103  * @returns status ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER if connection is not found, otherwise ERROR_CODE_SUCCESS
104  */
105 uint8_t avrcp_target_supported_companies(uint16_t avrcp_cid, uint8_t num_company_ids, uint8_t * company_ids, uint8_t company_ids_size);
106 
107 /**
108  * @brief Send a list of Events supported by target.
109  * @note  The avrcp_target_packet_handler will receive AVRCP_SUBEVENT_EVENT_IDS_QUERY event. Use this function to respond.
110  * @param avrcp_cid
111  * @param num_event_ids
112  * @param event_ids
113  * @param event_ids_size
114  * @returns status ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER if connection is not found, otherwise ERROR_CODE_SUCCESS
115  */
116 uint8_t avrcp_target_supported_events(uint16_t avrcp_cid, uint8_t num_event_ids, uint8_t * event_ids, uint8_t event_ids_size);
117 
118 /**
119  * @brief Send a play status.
120  * @note  The avrcp_target_packet_handler will receive AVRCP_SUBEVENT_PLAY_STATUS_QUERY event. Use this function to respond.
121  * @param avrcp_cid
122  * @param song_length_ms
123  * @param song_position_ms
124  * @returns status ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER if connection is not found, otherwise ERROR_CODE_SUCCESS
125  */
126 uint8_t avrcp_target_play_status(uint16_t avrcp_cid, uint32_t song_length_ms, uint32_t song_position_ms, avrcp_playback_status_t status);
127 
128 
129 void avrcp_target_set_now_playing_info(uint16_t avrcp_cid, const avrcp_track_t * current_track, uint16_t total_tracks);
130 uint8_t avrcp_target_set_playback_status(uint16_t avrcp_cid, avrcp_playback_status_t playback_status);
131 void avrcp_target_set_unit_info(uint16_t avrcp_cid, avrcp_subunit_type_t unit_type, uint32_t company_id);
132 void avrcp_target_set_subunit_info(uint16_t avrcp_cid, avrcp_subunit_type_t subunit_type, const uint8_t * subunit_info_data, uint16_t subunit_info_data_size);
133 
134 uint8_t avrcp_target_playing_content_changed(uint16_t avrcp_cid);
135 uint8_t avrcp_target_addressed_player_changed(uint16_t avrcp_cid, uint16_t player_id, uint16_t uid_counter);
136 
137 uint8_t avrcp_target_battery_status_changed(uint16_t avrcp_cid, avrcp_battery_status_t battery_status);
138 uint8_t avrcp_target_volume_changed(uint16_t avrcp_cid, uint8_t volume_percentage);
139 uint8_t avrcp_target_track_changed(uint16_t avrcp_cid, uint8_t * trackID);
140 
141 uint8_t avrcp_target_operation_rejected(uint16_t avrcp_cid, avrcp_operation_id_t opid, uint8_t operands_length, uint8_t operand);
142 uint8_t avrcp_target_operation_accepted(uint16_t avrcp_cid, avrcp_operation_id_t opid, uint8_t operands_length, uint8_t operand);
143 uint8_t avrcp_target_operation_not_implemented(uint16_t avrcp_cid, avrcp_operation_id_t opid, uint8_t operands_length, uint8_t operand);
144 
145 /* API_END */
146 
147  // Used by AVRCP target and AVRCP browsing target
148 extern avrcp_context_t avrcp_target_context;
149 
150 #if defined __cplusplus
151 }
152 #endif
153 
154 #endif // AVRCP_TARGET_H
155