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 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 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 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN 24 * GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 /** 39 * @title AVRCP Controller 40 * 41 */ 42 43 #ifndef AVRCP_CONTROLLER_H 44 #define AVRCP_CONTROLLER_H 45 46 #include <stdint.h> 47 #include "btstack_run_loop.h" 48 #include "btstack_linked_list.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_CONTROLLER_SUPPORTED_FEATURE_CATEGORY_PLAYER_OR_RECORDER = 0, 59 AVRCP_CONTROLLER_SUPPORTED_FEATURE_CATEGORY_MONITOR_OR_AMPLIFIER, 60 AVRCP_CONTROLLER_SUPPORTED_FEATURE_CATEGORY_TUNER, 61 AVRCP_CONTROLLER_SUPPORTED_FEATURE_CATEGORY_MENU, 62 AVRCP_CONTROLLER_SUPPORTED_FEATURE_RESERVED_4, 63 AVRCP_CONTROLLER_SUPPORTED_FEATURE_RESERVED_5, 64 AVRCP_CONTROLLER_SUPPORTED_FEATURE_BROWSING, 65 AVRCP_CONTROLLER_SUPPORTED_FEATURE_COVER_ART_GET_IMAGE_PROPERTIES, 66 AVRCP_CONTROLLER_SUPPORTED_FEATURE_COVER_ART_GET_IMAGE, 67 AVRCP_CONTROLLER_SUPPORTED_FEATURE_COVER_ART_GET_LINKED_THUMBNAIL 68 } avrcp_controller_supported_feature_t; 69 70 /** 71 * @brief AVRCP Controller service record. 72 * @param service 73 * @param service_record_handle 74 * @param supported_features 16-bit bitmap, see AVRCP_FEATURE_MASK_* in avrcp.h 75 * @param service_name or NULL for default value. Provide "" (empty string) to skip attribute 76 * @param service_provider_name or NULL for default value. Provide "" (empty string) to skip attribute 77 */ 78 void avrcp_controller_create_sdp_record(uint8_t * service, uint32_t service_record_handle, uint16_t supported_features, const char * service_name, const char * service_provider_name); 79 80 /** 81 * @brief Set up AVRCP Controller service. 82 */ 83 void avrcp_controller_init(void); 84 85 /** 86 * @brief Register callback for the AVRCP Controller client. 87 * @param callback 88 */ 89 void avrcp_controller_register_packet_handler(btstack_packet_handler_t callback); 90 91 /** 92 * @brief Set max num fragments in whuch message can be transmited. 93 * @param avrcp_cid 94 * @param max_num_fragments 95 * @return status 96 */ 97 uint8_t avrcp_controller_set_max_num_fragments(uint16_t avrcp_cid, uint8_t max_num_fragments); 98 99 100 /** 101 * @brief Unit info. 102 * @param avrcp_cid 103 * @return status 104 */ 105 uint8_t avrcp_controller_unit_info(uint16_t avrcp_cid); 106 107 /** 108 * @brief Subunit info. 109 * @param avrcp_cid 110 * @return status 111 */ 112 uint8_t avrcp_controller_subunit_info(uint16_t avrcp_cid); 113 114 /** 115 * @brief Get capabilities. 116 * @param avrcp_cid 117 * @return status 118 */ 119 uint8_t avrcp_controller_get_supported_company_ids(uint16_t avrcp_cid); 120 121 /** 122 * @brief Get supported Events. 123 * @param avrcp_cid 124 * @return status 125 */ 126 uint8_t avrcp_controller_get_supported_events(uint16_t avrcp_cid); 127 128 129 /** 130 * @brief Start continuous cmd (play, pause, volume up, ...). Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status. 131 * @param avrcp_cid 132 * @return status 133 */ 134 uint8_t avrcp_controller_start_press_and_hold_cmd(uint16_t avrcp_cid, avrcp_operation_id_t operation_id); 135 136 /** 137 * @brief Stops continuous cmd (play, pause, volume up, ...). Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status. 138 * @param avrcp_cid 139 * @return status 140 */ 141 uint8_t avrcp_controller_release_press_and_hold_cmd(uint16_t avrcp_cid); 142 143 /** 144 * @brief Play. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status. 145 * @param avrcp_cid 146 * @return status 147 */ 148 uint8_t avrcp_controller_play(uint16_t avrcp_cid); 149 uint8_t avrcp_controller_press_and_hold_play(uint16_t avrcp_cid); 150 151 /** 152 * @brief Stop. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status. 153 * @param avrcp_cid 154 * @return status 155 */ 156 uint8_t avrcp_controller_stop(uint16_t avrcp_cid); 157 uint8_t avrcp_controller_press_and_hold_stop(uint16_t avrcp_cid); 158 159 /** 160 * @brief Pause. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status. 161 * @param avrcp_cid 162 * @return status 163 */ 164 uint8_t avrcp_controller_pause(uint16_t avrcp_cid); 165 uint8_t avrcp_controller_press_and_hold_pause(uint16_t avrcp_cid); 166 167 /** 168 * @brief Single step - fast forward. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status. 169 * @param avrcp_cid 170 * @return status 171 */ 172 uint8_t avrcp_controller_fast_forward(uint16_t avrcp_cid); 173 uint8_t avrcp_controller_press_and_hold_fast_forward(uint16_t avrcp_cid); 174 175 176 /** 177 * @brief Single step rewind. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status. 178 * @param avrcp_cid 179 * @return status 180 */ 181 uint8_t avrcp_controller_rewind(uint16_t avrcp_cid); 182 uint8_t avrcp_controller_press_and_hold_rewind(uint16_t avrcp_cid); 183 184 /** 185 * @brief Forward. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status. 186 * @param avrcp_cid 187 * @return status 188 */ 189 uint8_t avrcp_controller_forward(uint16_t avrcp_cid); 190 uint8_t avrcp_controller_press_and_hold_forward(uint16_t avrcp_cid); 191 192 /** 193 * @brief Backward. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status. 194 * @param avrcp_cid 195 * @return status 196 */ 197 uint8_t avrcp_controller_backward(uint16_t avrcp_cid); 198 uint8_t avrcp_controller_press_and_hold_backward(uint16_t avrcp_cid); 199 200 /** 201 * @brief Turns the volume to high. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status. 202 * @param avrcp_cid 203 * @return status 204 */ 205 uint8_t avrcp_controller_volume_up(uint16_t avrcp_cid); 206 uint8_t avrcp_controller_press_and_hold_volume_up(uint16_t avrcp_cid); 207 /** 208 * @brief Turns the volume to low. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status. 209 * @param avrcp_cid 210 * @return status 211 */ 212 uint8_t avrcp_controller_volume_down(uint16_t avrcp_cid); 213 uint8_t avrcp_controller_press_and_hold_volume_down(uint16_t avrcp_cid); 214 215 /** 216 * @brief Puts the sound out. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status. 217 * @param avrcp_cid 218 * @return status 219 */ 220 uint8_t avrcp_controller_mute(uint16_t avrcp_cid); 221 uint8_t avrcp_controller_press_and_hold_mute(uint16_t avrcp_cid); 222 223 // Basic Group Navigation 224 /** 225 * @brief Move to the first song in the next group. 226 * @param avrcp_cid 227 */ 228 uint8_t avrcp_controller_next_group(uint16_t avrcp_cid); 229 230 /** 231 * @brief Move to the first song in the previous group. 232 * @param avrcp_cid 233 */ 234 uint8_t avrcp_controller_previous_group(uint16_t avrcp_cid); 235 236 237 /** 238 * @brief Get play status. Returns event of type AVRCP_SUBEVENT_PLAY_STATUS (length, position, play_status). 239 * If TG does not support SongLength And SongPosition on TG, then TG shall return 0xFFFFFFFF. 240 * @param avrcp_cid 241 * @return status 242 */ 243 uint8_t avrcp_controller_get_play_status(uint16_t avrcp_cid); 244 245 /** 246 * @brief Enable notification. Response via AVRCP_SUBEVENT_NOTIFICATION_STATE. 247 * @param avrcp_cid 248 * @param event_id 249 * @return status 250 */ 251 uint8_t avrcp_controller_enable_notification(uint16_t avrcp_cid, avrcp_notification_event_id_t event_id); 252 253 /** 254 * @brief Disable notification. Response via AVRCP_SUBEVENT_NOTIFICATION_STATE. 255 * @param avrcp_cid 256 * @param event_id 257 * @return status 258 */ 259 uint8_t avrcp_controller_disable_notification(uint16_t avrcp_cid, avrcp_notification_event_id_t event_id); 260 261 /** 262 * @brief Get info on now playing media using subset of attribute IDs 263 * @param avrcp_cid 264 * @return status 265 */ 266 uint8_t avrcp_controller_get_element_attributes(uint16_t avrcp_cid, uint8_t num_attributes, avrcp_media_attribute_id_t * attributes); 267 268 /** 269 * @brief Get info on now playing media using all IDs. 270 * @param avrcp_cid 271 * @return status 272 */ 273 uint8_t avrcp_controller_get_now_playing_info(uint16_t avrcp_cid); 274 275 /** 276 * @brief Get info on now playing media using specific media attribute ID. 277 * @param media_attribute_id 278 * @param avrcp_cid 279 * @return status 280 */ 281 uint8_t avrcp_controller_get_now_playing_info_for_media_attribute_id(uint16_t avrcp_cid, avrcp_media_attribute_id_t media_attribute_id); 282 283 /** 284 * @brief Set absolute volume 0-127 (corresponds to 0-100%). Response via AVRCP_SUBEVENT_SET_ABSOLUTE_VOLUME_RESPONSE 285 * @param avrcp_cid 286 * @return status 287 */ 288 uint8_t avrcp_controller_set_absolute_volume(uint16_t avrcp_cid, uint8_t volume); 289 290 291 /** 292 * @brief Skip to next playing media. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status. 293 * @param avrcp_cid 294 * @return status 295 */ 296 uint8_t avrcp_controller_skip(uint16_t avrcp_cid); 297 298 /** 299 * @brief Query repeat and shuffle mode. Response via AVRCP_SUBEVENT_SHUFFLE_AND_REPEAT_MODE. 300 * @param avrcp_cid 301 * @return status 302 */ 303 uint8_t avrcp_controller_query_shuffle_and_repeat_modes(uint16_t avrcp_cid); 304 305 /** 306 * @brief Set shuffle mode. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status. 307 * @param avrcp_cid 308 * @return status 309 */ 310 uint8_t avrcp_controller_set_shuffle_mode(uint16_t avrcp_cid, avrcp_shuffle_mode_t mode); 311 312 /** 313 * @brief Set repeat mode. Event AVRCP_SUBEVENT_OPERATION_COMPLETE returns operation id and status. 314 * @param avrcp_cid 315 * @return status 316 */ 317 uint8_t avrcp_controller_set_repeat_mode(uint16_t avrcp_cid, avrcp_repeat_mode_t mode); 318 319 /** 320 * @brief The PlayItem command starts playing an item indicated by the UID. It is routed to the Addressed Player. 321 * @param avrcp_cid 322 * @param uid 323 * @param uid_counter 324 * @param scope 325 **/ 326 uint8_t avrcp_controller_play_item_for_scope(uint16_t avrcp_cid, uint8_t * uid, uint16_t uid_counter, avrcp_browsing_scope_t scope); 327 328 /** 329 * @brief Adds an item indicated by the UID to the Now Playing queue. 330 * @param avrcp_cid 331 * @param uid 332 * @param uid_counter 333 * @param scope 334 **/ 335 uint8_t avrcp_controller_add_item_from_scope_to_now_playing_list(uint16_t avrcp_cid, uint8_t * uid, uint16_t uid_counter, avrcp_browsing_scope_t scope); 336 337 /** 338 * @brief Set addressed player. 339 * @param avrcp_cid 340 * @param addressed_player_id 341 */ 342 uint8_t avrcp_controller_set_addressed_player(uint16_t avrcp_cid, uint16_t addressed_player_id); 343 344 /** 345 * @brief Send custom command 346 * @param avrcp_cid 347 * @param command_type 348 * @param subunit_type 349 * @param subunit_id 350 * @param pdu_id 351 * @param company_id 352 * @param data 353 * @param data_len 354 */ 355 uint8_t avrcp_controller_send_custom_command(uint16_t avrcp_cid, 356 avrcp_command_type_t command_type, 357 avrcp_subunit_type_t subunit_type, avrcp_subunit_id_t subunit_id, 358 avrcp_pdu_id_t pdu_id, uint32_t company_id, 359 const uint8_t * data, uint16_t data_len); 360 361 /** 362 * @brief De-Init AVRCP Controller 363 */ 364 void avrcp_controller_deinit(void); 365 366 /* API_END */ 367 368 // send press command if connection is open. use with great care and only if there's no other option 369 uint8_t avrcp_controller_force_send_press_cmd(uint16_t avrcp_cid, avrcp_operation_id_t operation_id); 370 371 // Used by AVRCP controller and AVRCP browsing controller 372 extern avrcp_context_t avrcp_controller_context; 373 374 #if defined __cplusplus 375 } 376 #endif 377 378 #endif // AVRCP_CONTROLLER_H 379