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 MATTHIAS 24 * RINGWALD 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 #include <stdint.h> 40 #include <stdio.h> 41 #include <stdlib.h> 42 #include <string.h> 43 44 #include "btstack_config.h" 45 #include "btstack_debug.h" 46 #include "btstack_event.h" 47 #include "btstack_memory.h" 48 #include "btstack_run_loop.h" 49 #include "gap.h" 50 #include "hci.h" 51 #include "hci_cmd.h" 52 #include "hci_dump.h" 53 #include "l2cap.h" 54 #include "classic/avdtp_sink.h" 55 #include "classic/a2dp_sink.h" 56 #include "classic/btstack_sbc.h" 57 #include "classic/avdtp_util.h" 58 #include "classic/avrcp.h" 59 60 #define AVRCP_BROWSING_ENABLED 0 61 62 #ifdef HAVE_BTSTACK_STDIN 63 #include "btstack_stdin.h" 64 #endif 65 66 #ifdef HAVE_AUDIO_DMA 67 #include "btstack_ring_buffer.h" 68 #include "hal_audio_dma.h" 69 #endif 70 71 #ifdef HAVE_PORTAUDIO 72 #include "btstack_ring_buffer.h" 73 #include <portaudio.h> 74 #endif 75 76 #ifdef HAVE_POSIX_FILE_IO 77 #include "wav_util.h" 78 #define STORE_SBC_TO_SBC_FILE 79 #define STORE_SBC_TO_WAV_FILE 80 #endif 81 82 #if defined(HAVE_PORTAUDIO) || defined(STORE_SBC_TO_WAV_FILE) || defined(HAVE_AUDIO_DMA) 83 #define DECODE_SBC 84 #endif 85 86 #define NUM_CHANNELS 2 87 #define BYTES_PER_FRAME (2*NUM_CHANNELS) 88 #define MAX_SBC_FRAME_SIZE 120 89 90 // SBC Decoder for WAV file or PortAudio 91 #ifdef DECODE_SBC 92 static btstack_sbc_decoder_state_t state; 93 static btstack_sbc_mode_t mode = SBC_MODE_STANDARD; 94 #endif 95 96 #if defined(HAVE_PORTAUDIO) || defined (HAVE_AUDIO_DMA) 97 #define PREBUFFER_MS 200 98 static int audio_stream_started = 0; 99 static int audio_stream_paused = 0; 100 static btstack_ring_buffer_t ring_buffer; 101 #endif 102 103 #ifdef HAVE_AUDIO_DMA 104 // below 30: add samples, 30-40: fine, above 40: drop samples 105 #define OPTIMAL_FRAMES_MIN 30 106 #define OPTIMAL_FRAMES_MAX 40 107 #define ADDITIONAL_FRAMES 10 108 #define DMA_AUDIO_FRAMES 128 109 #define DMA_MAX_FILL_FRAMES 1 110 #define NUM_AUDIO_BUFFERS 2 111 112 static uint16_t audio_samples[(DMA_AUDIO_FRAMES + DMA_MAX_FILL_FRAMES)*2*NUM_AUDIO_BUFFERS]; 113 static uint16_t audio_samples_len[NUM_AUDIO_BUFFERS]; 114 static uint8_t ring_buffer_storage[(OPTIMAL_FRAMES_MAX + ADDITIONAL_FRAMES) * MAX_SBC_FRAME_SIZE]; 115 static const uint16_t silent_buffer[DMA_AUDIO_FRAMES*2]; 116 static volatile int playback_buffer; 117 static int write_buffer; 118 static uint8_t sbc_frame_size; 119 static int sbc_samples_fix; 120 #endif 121 122 // PortAdudio - live playback 123 #ifdef HAVE_PORTAUDIO 124 #define PA_SAMPLE_TYPE paInt16 125 #define SAMPLE_RATE 48000 126 #define FRAMES_PER_BUFFER 128 127 #define PREBUFFER_BYTES (PREBUFFER_MS*SAMPLE_RATE/1000*BYTES_PER_FRAME) 128 static PaStream * stream; 129 static uint8_t ring_buffer_storage[2*PREBUFFER_BYTES]; 130 static btstack_ring_buffer_t ring_buffer; 131 static int total_num_samples = 0; 132 #endif 133 134 // WAV File 135 #ifdef STORE_SBC_TO_WAV_FILE 136 static int frame_count = 0; 137 static char * wav_filename = "avdtp_sink.wav"; 138 #endif 139 140 #ifdef STORE_SBC_TO_SBC_FILE 141 static FILE * sbc_file; 142 static char * sbc_filename = "avdtp_sink.sbc"; 143 #endif 144 145 typedef struct { 146 // bitmaps 147 uint8_t sampling_frequency_bitmap; 148 uint8_t channel_mode_bitmap; 149 uint8_t block_length_bitmap; 150 uint8_t subbands_bitmap; 151 uint8_t allocation_method_bitmap; 152 uint8_t min_bitpool_value; 153 uint8_t max_bitpool_value; 154 } adtvp_media_codec_information_sbc_t; 155 156 typedef struct { 157 int reconfigure; 158 int num_channels; 159 int sampling_frequency; 160 int channel_mode; 161 int block_length; 162 int subbands; 163 int allocation_method; 164 int min_bitpool_value; 165 int max_bitpool_value; 166 int frames_per_buffer; 167 } avdtp_media_codec_configuration_sbc_t; 168 169 #ifdef HAVE_BTSTACK_STDIN 170 // mac 2011: static bd_addr_t remote = {0x04, 0x0C, 0xCE, 0xE4, 0x85, 0xD3}; 171 // pts: static bd_addr_t remote = {0x00, 0x1B, 0xDC, 0x08, 0x0A, 0xA5}; 172 // mac 2013: static const char * device_addr_string = "00:1B:DC:08:0A:A5"; 173 // iPhone 5S: 174 static const char * device_addr_string = "54:E4:3A:26:A2:39"; 175 #endif 176 177 // bt dongle: -u 02-02 static bd_addr_t remote = {0x00, 0x02, 0x72, 0xDC, 0x31, 0xC1}; 178 179 static uint16_t avdtp_cid = 0; 180 static uint8_t sdp_avdtp_sink_service_buffer[150]; 181 static avdtp_sep_t sep; 182 183 static adtvp_media_codec_information_sbc_t sbc_capability; 184 static avdtp_media_codec_configuration_sbc_t sbc_configuration; 185 static avdtp_stream_endpoint_t * local_stream_endpoint; 186 187 static uint8_t local_seid = 0; 188 189 #ifdef HAVE_BTSTACK_STDIN 190 static uint16_t remote_configuration_bitmap; 191 static avdtp_capabilities_t remote_configuration; 192 #endif 193 194 typedef enum { 195 AVDTP_APPLICATION_IDLE, 196 AVDTP_APPLICATION_CONNECTED, 197 AVDTP_APPLICATION_STREAMING 198 } avdtp_application_state_t; 199 200 avdtp_application_state_t app_state = AVDTP_APPLICATION_IDLE; 201 202 static btstack_packet_callback_registration_t hci_event_callback_registration; 203 204 static int media_initialized = 0; 205 206 static bd_addr_t device_addr; 207 static uint16_t avrcp_cid = 0; 208 static uint8_t sdp_avrcp_controller_service_buffer[200]; 209 210 #ifdef HAVE_PORTAUDIO 211 static int patestCallback( const void *inputBuffer, void *outputBuffer, 212 unsigned long framesPerBuffer, 213 const PaStreamCallbackTimeInfo* timeInfo, 214 PaStreamCallbackFlags statusFlags, 215 void *userData ) { 216 217 /** patestCallback is called from different thread, don't use hci_dump / log_info here without additional checks */ 218 219 (void) timeInfo; /* Prevent unused variable warnings. */ 220 (void) statusFlags; 221 (void) inputBuffer; 222 (void) userData; 223 224 int bytes_to_copy = framesPerBuffer * BYTES_PER_FRAME; 225 226 // fill with silence while paused 227 if (audio_stream_paused){ 228 229 if (btstack_ring_buffer_bytes_available(&ring_buffer) < PREBUFFER_BYTES){ 230 // printf("PA: silence\n"); 231 memset(outputBuffer, 0, bytes_to_copy); 232 return 0; 233 } else { 234 // resume playback 235 audio_stream_paused = 0; 236 } 237 } 238 239 // get data from ringbuffer 240 uint32_t bytes_read = 0; 241 btstack_ring_buffer_read(&ring_buffer, outputBuffer, bytes_to_copy, &bytes_read); 242 bytes_to_copy -= bytes_read; 243 244 // fill with 0 if not enough 245 if (bytes_to_copy){ 246 memset(outputBuffer + bytes_read, 0, bytes_to_copy); 247 audio_stream_paused = 1; 248 } 249 return 0; 250 } 251 #endif 252 253 #ifdef HAVE_AUDIO_DMA 254 static int next_buffer(int current){ 255 if (current == NUM_AUDIO_BUFFERS-1) return 0; 256 return current + 1; 257 } 258 static uint8_t * start_of_buffer(int num){ 259 return (uint8_t *) &audio_samples[num * DMA_AUDIO_FRAMES * 2]; 260 } 261 void hal_audio_dma_done(void){ 262 if (audio_stream_paused){ 263 hal_audio_dma_play((const uint8_t *) silent_buffer, DMA_AUDIO_FRAMES*4); 264 return; 265 } 266 // next buffer 267 int next_playback_buffer = next_buffer(playback_buffer); 268 uint8_t * playback_data; 269 if (next_playback_buffer == write_buffer){ 270 271 // TODO: stop codec while playing silence when getting 'stream paused' 272 273 // start playing silence 274 audio_stream_paused = 1; 275 hal_audio_dma_play((const uint8_t *) silent_buffer, DMA_AUDIO_FRAMES*4); 276 printf("%6u - paused - bytes in buffer %u\n", (int) btstack_run_loop_get_time_ms(), btstack_ring_buffer_bytes_available(&ring_buffer)); 277 return; 278 } 279 playback_buffer = next_playback_buffer; 280 playback_data = start_of_buffer(playback_buffer); 281 hal_audio_dma_play(playback_data, audio_samples_len[playback_buffer]); 282 // btstack_run_loop_embedded_trigger(); 283 } 284 #endif 285 286 #if defined(HAVE_PORTAUDIO) || defined(STORE_SBC_TO_WAV_FILE) 287 288 static void handle_pcm_data(int16_t * data, int num_samples, int num_channels, int sample_rate, void * context){ 289 UNUSED(sample_rate); 290 UNUSED(context); 291 292 #ifdef STORE_SBC_TO_WAV_FILE 293 wav_writer_write_int16(num_samples*num_channels, data); 294 frame_count++; 295 #endif 296 297 #ifdef HAVE_PORTAUDIO 298 total_num_samples+=num_samples*num_channels; 299 300 // store pcm samples in ringbuffer 301 btstack_ring_buffer_write(&ring_buffer, (uint8_t *)data, num_samples*num_channels*2); 302 303 if (!audio_stream_started){ 304 audio_stream_paused = 1; 305 /* -- start stream -- */ 306 PaError err = Pa_StartStream(stream); 307 if (err != paNoError){ 308 printf("Error starting the stream: \"%s\"\n", Pa_GetErrorText(err)); 309 return; 310 } 311 audio_stream_started = 1; 312 } 313 #endif 314 315 } 316 #endif 317 318 319 #ifdef HAVE_AUDIO_DMA 320 321 static void handle_pcm_data(int16_t * data, int num_samples, int num_channels, int sample_rate, void * context){ 322 UNUSED(sample_rate); 323 UNUSED(context); 324 total_num_samples+=num_samples*num_channels; 325 326 // store in ring buffer 327 uint8_t * write_data = start_of_buffer(write_buffer); 328 uint16_t len = num_samples*num_channels*2; 329 memcpy(write_data, data, len); 330 audio_samples_len[write_buffer] = len; 331 332 // add/drop audio frame to fix drift 333 if (sbc_samples_fix > 0){ 334 memcpy(write_data + len, write_data + len - 4, 4); 335 audio_samples_len[write_buffer] += 4; 336 } 337 if (sbc_samples_fix < 0){ 338 audio_samples_len[write_buffer] -= 4; 339 } 340 341 write_buffer = next_buffer(write_buffer); 342 } 343 344 static void hal_audio_dma_process(btstack_data_source_t * ds, btstack_data_source_callback_type_t callback_type){ 345 UNUSED(ds); 346 UNUSED(callback_type); 347 348 if (!media_initialized) return; 349 350 int trigger_resume = 0; 351 if (audio_stream_paused) { 352 if (sbc_frame_size && btstack_ring_buffer_bytes_available(&ring_buffer) >= OPTIMAL_FRAMES_MIN * sbc_frame_size){ 353 trigger_resume = 1; 354 // reset buffers 355 playback_buffer = NUM_AUDIO_BUFFERS - 1; 356 write_buffer = 0; 357 } else { 358 return; 359 } 360 } 361 362 while (playback_buffer != write_buffer && btstack_ring_buffer_bytes_available(&ring_buffer) >= sbc_frame_size ){ 363 uint8_t frame[MAX_SBC_FRAME_SIZE]; 364 uint32_t bytes_read = 0; 365 btstack_ring_buffer_read(&ring_buffer, frame, sbc_frame_size, &bytes_read); 366 btstack_sbc_decoder_process_data(&state, 0, frame, sbc_frame_size); 367 } 368 369 if (trigger_resume){ 370 printf("%6u - resume\n", (int) btstack_run_loop_get_time_ms()); 371 audio_stream_paused = 0; 372 } 373 } 374 375 #endif 376 377 static int media_processing_init(avdtp_media_codec_configuration_sbc_t configuration){ 378 379 #ifdef DECODE_SBC 380 btstack_sbc_decoder_init(&state, mode, handle_pcm_data, NULL); 381 #endif 382 383 #ifdef STORE_SBC_TO_WAV_FILE 384 wav_writer_open(wav_filename, configuration.num_channels, configuration.sampling_frequency); 385 #endif 386 387 #ifdef STORE_SBC_TO_SBC_FILE 388 sbc_file = fopen(sbc_filename, "wb"); 389 #endif 390 391 #ifdef HAVE_PORTAUDIO 392 // int frames_per_buffer = configuration.frames_per_buffer; 393 PaError err; 394 PaStreamParameters outputParameters; 395 396 /* -- initialize PortAudio -- */ 397 err = Pa_Initialize(); 398 if (err != paNoError){ 399 printf("Error initializing portaudio: \"%s\"\n", Pa_GetErrorText(err)); 400 return err; 401 } 402 /* -- setup input and output -- */ 403 outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ 404 outputParameters.channelCount = configuration.num_channels; 405 outputParameters.sampleFormat = PA_SAMPLE_TYPE; 406 outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency; 407 outputParameters.hostApiSpecificStreamInfo = NULL; 408 /* -- setup stream -- */ 409 err = Pa_OpenStream( 410 &stream, 411 NULL, /* &inputParameters */ 412 &outputParameters, 413 configuration.sampling_frequency, 414 0, 415 paClipOff, /* we won't output out of range samples so don't bother clipping them */ 416 patestCallback, /* use callback */ 417 NULL ); 418 419 if (err != paNoError){ 420 printf("Error initializing portaudio: \"%s\"\n", Pa_GetErrorText(err)); 421 return err; 422 } 423 #endif 424 #ifdef HAVE_AUDIO_DMA 425 audio_stream_paused = 1; 426 hal_audio_dma_init(configuration.sampling_frequency); 427 hal_audio_dma_set_audio_played(&hal_audio_dma_done); 428 // start playing silence 429 hal_audio_dma_done(); 430 #endif 431 432 #if defined(HAVE_PORTAUDIO) || defined (HAVE_AUDIO_DMA) 433 memset(ring_buffer_storage, 0, sizeof(ring_buffer_storage)); 434 btstack_ring_buffer_init(&ring_buffer, ring_buffer_storage, sizeof(ring_buffer_storage)); 435 audio_stream_started = 0; 436 #endif 437 media_initialized = 1; 438 return 0; 439 } 440 441 static void media_processing_close(void){ 442 if (!media_initialized) return; 443 media_initialized = 0; 444 #ifdef STORE_SBC_TO_WAV_FILE 445 printf(" Close wav writer.\n"); 446 wav_writer_close(); 447 int total_frames_nr = state.good_frames_nr + state.bad_frames_nr + state.zero_frames_nr; 448 449 printf(" Decoding done. Processed totaly %d frames:\n - %d good\n - %d bad\n - %d zero frames\n", total_frames_nr, state.good_frames_nr, state.bad_frames_nr, state.zero_frames_nr); 450 printf(" Written %d frames to wav file: %s\n\n", frame_count, wav_filename); 451 #endif 452 #ifdef STORE_SBC_TO_SBC_FILE 453 fclose(sbc_file); 454 #endif 455 456 #if defined(HAVE_PORTAUDIO) || defined (HAVE_AUDIO_DMA) 457 audio_stream_started = 0; 458 #endif 459 460 #ifdef HAVE_PORTAUDIO 461 PaError err = Pa_StopStream(stream); 462 if (err != paNoError){ 463 printf("Error stopping the stream: \"%s\"\n", Pa_GetErrorText(err)); 464 return; 465 } 466 err = Pa_CloseStream(stream); 467 if (err != paNoError){ 468 printf("Error closing the stream: \"%s\"\n", Pa_GetErrorText(err)); 469 return; 470 } 471 err = Pa_Terminate(); 472 if (err != paNoError){ 473 printf("Error terminating portaudio: \"%s\"\n", Pa_GetErrorText(err)); 474 return; 475 } 476 #endif 477 #ifdef HAVE_AUDIO_DMA 478 hal_audio_dma_close(); 479 #endif 480 } 481 482 static void handle_l2cap_media_data_packet(avdtp_stream_endpoint_t * stream_endpoint, uint8_t *packet, uint16_t size){ 483 484 UNUSED(stream_endpoint); 485 486 int pos = 0; 487 488 avdtp_media_packet_header_t media_header; 489 media_header.version = packet[pos] & 0x03; 490 media_header.padding = get_bit16(packet[pos],2); 491 media_header.extension = get_bit16(packet[pos],3); 492 media_header.csrc_count = (packet[pos] >> 4) & 0x0F; 493 494 pos++; 495 496 media_header.marker = get_bit16(packet[pos],0); 497 media_header.payload_type = (packet[pos] >> 1) & 0x7F; 498 pos++; 499 500 media_header.sequence_number = big_endian_read_16(packet, pos); 501 pos+=2; 502 503 media_header.timestamp = big_endian_read_32(packet, pos); 504 pos+=4; 505 506 media_header.synchronization_source = big_endian_read_32(packet, pos); 507 pos+=4; 508 509 UNUSED(media_header); 510 511 // TODO: read csrc list 512 513 // printf_hexdump( packet, pos ); 514 // printf("MEDIA HEADER: %u timestamp, version %u, padding %u, extension %u, csrc_count %u\n", 515 // media_header.timestamp, media_header.version, media_header.padding, media_header.extension, media_header.csrc_count); 516 // printf("MEDIA HEADER: marker %02x, payload_type %02x, sequence_number %u, synchronization_source %u\n", 517 // media_header.marker, media_header.payload_type, media_header.sequence_number, media_header.synchronization_source); 518 519 avdtp_sbc_codec_header_t sbc_header; 520 sbc_header.fragmentation = get_bit16(packet[pos], 7); 521 sbc_header.starting_packet = get_bit16(packet[pos], 6); 522 sbc_header.last_packet = get_bit16(packet[pos], 5); 523 sbc_header.num_frames = packet[pos] & 0x0f; 524 pos++; 525 526 #ifdef HAVE_AUDIO_DMA 527 // store sbc frame size for buffer management 528 sbc_frame_size = (size-pos)/ sbc_header.num_frames; 529 #endif 530 531 UNUSED(sbc_header); 532 // printf("SBC HEADER: num_frames %u, fragmented %u, start %u, stop %u\n", sbc_header.num_frames, sbc_header.fragmentation, sbc_header.starting_packet, sbc_header.last_packet); 533 // printf_hexdump( packet+pos, size-pos ); 534 535 #if defined(HAVE_PORTAUDIO) || defined(STORE_SBC_TO_WAV_FILE) 536 btstack_sbc_decoder_process_data(&state, 0, packet+pos, size-pos); 537 #endif 538 539 #ifdef HAVE_AUDIO_DMA 540 btstack_ring_buffer_write(&ring_buffer, packet+pos, size-pos); 541 542 // decide on audio sync drift based on number of sbc frames in queue 543 int sbc_frames_in_buffer = btstack_ring_buffer_bytes_available(&ring_buffer) / sbc_frame_size; 544 if (sbc_frames_in_buffer < OPTIMAL_FRAMES_MIN){ 545 sbc_samples_fix = 1; // duplicate last sample 546 } else if (sbc_frames_in_buffer <= OPTIMAL_FRAMES_MAX){ 547 sbc_samples_fix = 0; // nothing to do 548 } else { 549 sbc_samples_fix = -1; // drop last sample 550 } 551 552 // dump 553 printf("%6u %03u %d\n", (int) btstack_run_loop_get_time_ms(), sbc_frames_in_buffer, sbc_samples_fix); 554 555 #endif 556 557 #ifdef STORE_SBC_TO_SBC_FILE 558 fwrite(packet+pos, size-pos, 1, sbc_file); 559 #endif 560 } 561 562 static void dump_sbc_capability(adtvp_media_codec_information_sbc_t media_codec_sbc){ 563 printf("Received media codec capability:\n"); 564 printf(" - sampling_frequency: 0x%02x\n", media_codec_sbc.sampling_frequency_bitmap); 565 printf(" - channel_mode: 0x%02x\n", media_codec_sbc.channel_mode_bitmap); 566 printf(" - block_length: 0x%02x\n", media_codec_sbc.block_length_bitmap); 567 printf(" - subbands: 0x%02x\n", media_codec_sbc.subbands_bitmap); 568 printf(" - allocation_method: 0x%02x\n", media_codec_sbc.allocation_method_bitmap); 569 printf(" - bitpool_value [%d, %d] \n", media_codec_sbc.min_bitpool_value, media_codec_sbc.max_bitpool_value); 570 } 571 572 static void dump_sbc_configuration(avdtp_media_codec_configuration_sbc_t configuration){ 573 printf("Received media codec configuration:\n"); 574 printf(" - num_channels: %d\n", configuration.num_channels); 575 printf(" - sampling_frequency: %d\n", configuration.sampling_frequency); 576 printf(" - channel_mode: %d\n", configuration.channel_mode); 577 printf(" - block_length: %d\n", configuration.block_length); 578 printf(" - subbands: %d\n", configuration.subbands); 579 printf(" - allocation_method: %d\n", configuration.allocation_method); 580 printf(" - bitpool_value [%d, %d] \n", configuration.min_bitpool_value, configuration.max_bitpool_value); 581 } 582 583 static void avrcp_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 584 UNUSED(channel); 585 UNUSED(size); 586 bd_addr_t event_addr; 587 uint16_t local_cid; 588 uint8_t status = 0xFF; 589 switch (packet_type) { 590 case HCI_EVENT_PACKET: 591 switch (hci_event_packet_get_type(packet)) { 592 case HCI_EVENT_DISCONNECTION_COMPLETE: 593 // connection closed -> quit test app 594 printf("AVRCP: HCI_EVENT_DISCONNECTION_COMPLETE\n"); 595 break; 596 case HCI_EVENT_AVRCP_META: 597 switch (packet[2]){ 598 case AVRCP_SUBEVENT_CONNECTION_ESTABLISHED: { 599 local_cid = avrcp_subevent_connection_established_get_avrcp_cid(packet); 600 if (avrcp_cid != local_cid) { 601 printf("AVRCP Connection failed, expected 0x%02X l2cap cid, received 0x%02X\n", avrcp_cid, local_cid); 602 return; 603 } 604 605 status = avrcp_subevent_connection_established_get_status(packet); 606 if (status != ERROR_CODE_SUCCESS){ 607 printf("AVRCP Connection failed: status 0x%02x\n", status); 608 avrcp_cid = 0; 609 return; 610 } 611 avrcp_subevent_connection_established_get_bd_addr(packet, event_addr); 612 printf("Channel successfully opened: %s, avrcp_cid 0x%02x\n", bd_addr_to_str(event_addr), avrcp_cid); 613 614 // automatically enable notifications 615 avrcp_enable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_PLAYBACK_STATUS_CHANGED); 616 avrcp_enable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_NOW_PLAYING_CONTENT_CHANGED); 617 return; 618 } 619 case AVRCP_SUBEVENT_CONNECTION_RELEASED: 620 printf("Channel released: avrcp_cid 0x%02x\n", avrcp_subevent_connection_released_get_avrcp_cid(packet)); 621 avrcp_cid = 0; 622 return; 623 default: 624 break; 625 } 626 627 status = packet[5]; 628 if (!avrcp_cid) return; 629 630 // avoid printing INTERIM status 631 if (status == AVRCP_CTYPE_RESPONSE_INTERIM) return; 632 633 printf("AVRCP: command status: %s, ", avrcp_ctype2str(status)); 634 switch (packet[2]){ 635 case AVRCP_SUBEVENT_NOTIFICATION_PLAYBACK_STATUS_CHANGED: 636 printf("notification, playback status changed %s\n", avrcp_play_status2str(avrcp_subevent_notification_playback_status_changed_get_play_status(packet))); 637 return; 638 case AVRCP_SUBEVENT_NOTIFICATION_NOW_PLAYING_CONTENT_CHANGED: 639 printf("notification, playing content changed\n"); 640 return; 641 case AVRCP_SUBEVENT_NOTIFICATION_TRACK_CHANGED: 642 printf("notification track changed\n"); 643 return; 644 case AVRCP_SUBEVENT_NOTIFICATION_VOLUME_CHANGED: 645 printf("notification absolute volume changed %d\n", avrcp_subevent_notification_volume_changed_get_absolute_volume(packet)); 646 return; 647 case AVRCP_SUBEVENT_NOTIFICATION_AVAILABLE_PLAYERS_CHANGED: 648 printf("notification changed\n"); 649 return; 650 case AVRCP_SUBEVENT_SHUFFLE_AND_REPEAT_MODE:{ 651 uint8_t shuffle_mode = avrcp_subevent_shuffle_and_repeat_mode_get_shuffle_mode(packet); 652 uint8_t repeat_mode = avrcp_subevent_shuffle_and_repeat_mode_get_repeat_mode(packet); 653 printf("%s, %s\n", avrcp_shuffle2str(shuffle_mode), avrcp_repeat2str(repeat_mode)); 654 break; 655 } 656 case AVRCP_SUBEVENT_NOW_PLAYING_INFO:{ 657 uint8_t value[100]; 658 printf("now playing: \n"); 659 if (avrcp_subevent_now_playing_info_get_title_len(packet) > 0){ 660 memcpy(value, avrcp_subevent_now_playing_info_get_title(packet), avrcp_subevent_now_playing_info_get_title_len(packet)); 661 printf(" Title: %s\n", value); 662 } 663 if (avrcp_subevent_now_playing_info_get_album_len(packet) > 0){ 664 memcpy(value, avrcp_subevent_now_playing_info_get_album(packet), avrcp_subevent_now_playing_info_get_album_len(packet)); 665 printf(" Album: %s\n", value); 666 } 667 if (avrcp_subevent_now_playing_info_get_artist_len(packet) > 0){ 668 memcpy(value, avrcp_subevent_now_playing_info_get_artist(packet), avrcp_subevent_now_playing_info_get_artist_len(packet)); 669 printf(" Artist: %s\n", value); 670 } 671 if (avrcp_subevent_now_playing_info_get_genre_len(packet) > 0){ 672 memcpy(value, avrcp_subevent_now_playing_info_get_genre(packet), avrcp_subevent_now_playing_info_get_genre_len(packet)); 673 printf(" Genre: %s\n", value); 674 } 675 printf(" Track: %d\n", avrcp_subevent_now_playing_info_get_track(packet)); 676 printf(" Total nr. tracks: %d\n", avrcp_subevent_now_playing_info_get_total_tracks(packet)); 677 printf(" Song length: %d ms\n", avrcp_subevent_now_playing_info_get_song_length(packet)); 678 break; 679 } 680 case AVRCP_SUBEVENT_PLAY_STATUS: 681 printf("song length: %d ms, song position: %d ms, play status: %s\n", 682 avrcp_subevent_play_status_get_song_length(packet), 683 avrcp_subevent_play_status_get_song_position(packet), 684 avrcp_play_status2str(avrcp_subevent_play_status_get_play_status(packet))); 685 break; 686 case AVRCP_SUBEVENT_OPERATION_COMPLETE: 687 printf("operation done %s\n", avrcp_operation2str(avrcp_subevent_operation_complete_get_operation_id(packet))); 688 break; 689 case AVRCP_SUBEVENT_OPERATION_START: 690 printf("operation start %s\n", avrcp_operation2str(avrcp_subevent_operation_complete_get_operation_id(packet))); 691 break; 692 case AVRCP_SUBEVENT_PLAYER_APPLICATION_VALUE_RESPONSE: 693 // response to set shuffle and repeat mode 694 printf("\n"); 695 break; 696 default: 697 printf("Not implemented\n"); 698 break; 699 } 700 break; 701 default: 702 break; 703 } 704 break; 705 default: 706 // other packet type 707 break; 708 } 709 710 } 711 712 713 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 714 UNUSED(channel); 715 UNUSED(size); 716 717 bd_addr_t event_addr; 718 switch (packet_type) { 719 720 case HCI_EVENT_PACKET: 721 switch (hci_event_packet_get_type(packet)) { 722 case HCI_EVENT_PIN_CODE_REQUEST: 723 // inform about pin code request 724 printf("Pin code request - using '0000'\n"); 725 hci_event_pin_code_request_get_bd_addr(packet, event_addr); 726 hci_send_cmd(&hci_pin_code_request_reply, &event_addr, 4, "0000"); 727 break; 728 case HCI_EVENT_DISCONNECTION_COMPLETE: 729 // connection closed -> quit test app 730 app_state = AVDTP_APPLICATION_IDLE; 731 printf("\n --- avdtp_test: HCI_EVENT_DISCONNECTION_COMPLETE ---\n"); 732 media_processing_close(); 733 break; 734 case HCI_EVENT_AVDTP_META: 735 switch (packet[2]){ 736 case AVDTP_SUBEVENT_SIGNALING_CONNECTION_ESTABLISHED: 737 app_state = AVDTP_APPLICATION_CONNECTED; 738 avdtp_cid = avdtp_subevent_signaling_connection_established_get_avdtp_cid(packet); 739 printf("\n --- avdtp_test: AVDTP_SUBEVENT_SIGNALING_CONNECTION_ESTABLISHED, cid 0x%02x ---\n", avdtp_cid); 740 break; 741 case AVDTP_SUBEVENT_SIGNALING_SEP_FOUND: 742 if (app_state < AVDTP_APPLICATION_CONNECTED) return; 743 sep.seid = avdtp_subevent_signaling_sep_found_get_seid(packet); 744 sep.in_use = avdtp_subevent_signaling_sep_found_get_in_use(packet); 745 sep.media_type = avdtp_subevent_signaling_sep_found_get_media_type(packet); 746 sep.type = avdtp_subevent_signaling_sep_found_get_sep_type(packet); 747 printf("Found sep: seid %u, in_use %d, media type %d, sep type %d (1-SNK)\n", sep.seid, sep.in_use, sep.media_type, sep.type); 748 break; 749 case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CAPABILITY: 750 if (app_state < AVDTP_APPLICATION_CONNECTED) return; 751 sbc_capability.sampling_frequency_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_sampling_frequency_bitmap(packet); 752 sbc_capability.channel_mode_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_channel_mode_bitmap(packet); 753 sbc_capability.block_length_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_block_length_bitmap(packet); 754 sbc_capability.subbands_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_subbands_bitmap(packet); 755 sbc_capability.allocation_method_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_allocation_method_bitmap(packet); 756 sbc_capability.min_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_capability_get_min_bitpool_value(packet); 757 sbc_capability.max_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_capability_get_max_bitpool_value(packet); 758 dump_sbc_capability(sbc_capability); 759 break; 760 case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CONFIGURATION:{ 761 if (app_state < AVDTP_APPLICATION_CONNECTED) return; 762 sbc_configuration.reconfigure = avdtp_subevent_signaling_media_codec_sbc_configuration_get_reconfigure(packet); 763 sbc_configuration.num_channels = avdtp_subevent_signaling_media_codec_sbc_configuration_get_num_channels(packet); 764 sbc_configuration.sampling_frequency = avdtp_subevent_signaling_media_codec_sbc_configuration_get_sampling_frequency(packet); 765 sbc_configuration.channel_mode = avdtp_subevent_signaling_media_codec_sbc_configuration_get_channel_mode(packet); 766 sbc_configuration.block_length = avdtp_subevent_signaling_media_codec_sbc_configuration_get_block_length(packet); 767 sbc_configuration.subbands = avdtp_subevent_signaling_media_codec_sbc_configuration_get_subbands(packet); 768 sbc_configuration.allocation_method = avdtp_subevent_signaling_media_codec_sbc_configuration_get_allocation_method(packet); 769 sbc_configuration.min_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_configuration_get_min_bitpool_value(packet); 770 sbc_configuration.max_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_configuration_get_max_bitpool_value(packet); 771 sbc_configuration.frames_per_buffer = sbc_configuration.subbands * sbc_configuration.block_length; 772 dump_sbc_configuration(sbc_configuration); 773 // // TODO: use actual config 774 // btstack_sbc_encoder_init(&local_stream_endpoint->sbc_encoder_state, SBC_MODE_STANDARD, 16, 8, 2, 44100, 53); 775 776 if (sbc_configuration.reconfigure){ 777 media_processing_close(); 778 media_processing_init(sbc_configuration); 779 } else { 780 media_processing_init(sbc_configuration); 781 } 782 break; 783 } 784 case AVDTP_SUBEVENT_STREAMING_CONNECTION_ESTABLISHED: 785 app_state = AVDTP_APPLICATION_STREAMING; 786 break; 787 case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_OTHER_CAPABILITY: 788 printf(" received non SBC codec. not implemented\n"); 789 break; 790 case AVDTP_SUBEVENT_SIGNALING_ACCEPT: 791 break; 792 default: 793 printf(" not implemented\n"); 794 break; 795 } 796 break; 797 default: 798 break; 799 } 800 break; 801 default: 802 // other packet type 803 break; 804 } 805 } 806 807 #ifdef HAVE_BTSTACK_STDIN 808 static void show_usage(void){ 809 bd_addr_t iut_address; 810 gap_local_bd_addr(iut_address); 811 printf("\n--- Bluetooth AVDTP Sink/AVRCP Connection Test Console %s ---\n", bd_addr_to_str(iut_address)); 812 printf("b - AVDTP Sink create connection to addr %s\n", device_addr_string); 813 printf("B - AVDTP Sink disconnect\n"); 814 printf("c - AVRCP create connection to addr %s\n", device_addr_string); 815 printf("C - AVRCP disconnect\n"); 816 817 printf("\n--- Bluetooth AVDTP SINK Commands %s ---\n", bd_addr_to_str(iut_address)); 818 printf("d - discover stream endpoints\n"); 819 printf("g - get capabilities\n"); 820 printf("a - get all capabilities\n"); 821 printf("s - set configuration\n"); 822 printf("f - get configuration\n"); 823 printf("R - reconfigure stream with %d\n", sep.seid); 824 printf("o - open stream with seid %d\n", sep.seid); 825 printf("m - start stream with %d\n", sep.seid); 826 printf("A - abort stream with %d\n", sep.seid); 827 printf("S - stop stream with %d\n", sep.seid); 828 printf("P - suspend stream with %d\n", sep.seid); 829 830 printf("\n--- Bluetooth AVRCP Commands %s ---\n", bd_addr_to_str(iut_address)); 831 printf("O - get play status\n"); 832 printf("j - get now playing info\n"); 833 printf("k - play\n"); 834 printf("K - stop\n"); 835 printf("L - pause\n"); 836 printf("u - start fast forward\n"); 837 printf("U - stop fast forward\n"); 838 printf("n - start rewind\n"); 839 printf("N - stop rewind\n"); 840 printf("i - forward\n"); 841 printf("I - backward\n"); 842 printf("t - volume up\n"); 843 printf("T - volume down\n"); 844 printf("p - absolute volume of 50 percent\n"); 845 printf("M - mute\n"); 846 printf("r - skip\n"); 847 printf("q - query repeat and shuffle mode\n"); 848 printf("v - repeat single track\n"); 849 printf("x - repeat all tracks\n"); 850 printf("X - disable repeat mode\n"); 851 printf("z - shuffle all tracks\n"); 852 printf("Z - disable shuffle mode\n"); 853 854 printf("Ctrl-c - exit\n"); 855 printf("---\n"); 856 } 857 #endif 858 859 static uint8_t media_sbc_codec_capabilities[] = { 860 0xFF,//(AVDTP_SBC_44100 << 4) | AVDTP_SBC_STEREO, 861 0xFF,//(AVDTP_SBC_BLOCK_LENGTH_16 << 4) | (AVDTP_SBC_SUBBANDS_8 << 2) | AVDTP_SBC_ALLOCATION_METHOD_LOUDNESS, 862 2, 53 863 }; 864 865 #ifdef HAVE_BTSTACK_STDIN 866 static uint8_t media_sbc_codec_configuration[] = { 867 (AVDTP_SBC_44100 << 4) | AVDTP_SBC_STEREO, 868 (AVDTP_SBC_BLOCK_LENGTH_16 << 4) | (AVDTP_SBC_SUBBANDS_8 << 2) | AVDTP_SBC_ALLOCATION_METHOD_LOUDNESS, 869 2, 53 870 }; 871 872 static uint8_t media_sbc_codec_reconfiguration[] = { 873 (AVDTP_SBC_44100 << 4) | AVDTP_SBC_STEREO, 874 (AVDTP_SBC_BLOCK_LENGTH_16 << 4) | (AVDTP_SBC_SUBBANDS_8 << 2) | AVDTP_SBC_ALLOCATION_METHOD_SNR, 875 2, 53 876 }; 877 878 static void stdin_process(char cmd){ 879 sep.seid = 1; 880 switch (cmd){ 881 case 'b': 882 printf("Creating L2CAP Connection to %s, BLUETOOTH_PROTOCOL_AVDTP\n", device_addr_string); 883 avdtp_sink_connect(device_addr); 884 break; 885 case 'B': 886 printf("Disconnect\n"); 887 avdtp_sink_disconnect(avdtp_cid); 888 break; 889 case 'c': 890 printf(" - Create AVRCP connection to addr %s.\n", bd_addr_to_str(device_addr)); 891 avrcp_controller_connect(device_addr, &avrcp_cid); 892 printf(" assigned avrcp cid 0x%02x\n", avrcp_cid); 893 break; 894 case 'C': 895 printf(" - Disconnect\n"); 896 avrcp_disconnect(avrcp_cid); 897 break; 898 899 case 'd': 900 avdtp_sink_discover_stream_endpoints(avdtp_cid); 901 break; 902 case 'g': 903 avdtp_sink_get_capabilities(avdtp_cid, sep.seid); 904 break; 905 case 'a': 906 avdtp_sink_get_all_capabilities(avdtp_cid, sep.seid); 907 break; 908 case 'f': 909 avdtp_sink_get_configuration(avdtp_cid, sep.seid); 910 break; 911 case 's': 912 remote_configuration_bitmap = store_bit16(remote_configuration_bitmap, AVDTP_MEDIA_CODEC, 1); 913 remote_configuration.media_codec.media_type = AVDTP_AUDIO; 914 remote_configuration.media_codec.media_codec_type = AVDTP_CODEC_SBC; 915 remote_configuration.media_codec.media_codec_information_len = sizeof(media_sbc_codec_configuration); 916 remote_configuration.media_codec.media_codec_information = media_sbc_codec_configuration; 917 avdtp_sink_set_configuration(avdtp_cid, local_stream_endpoint->sep.seid, sep.seid, remote_configuration_bitmap, remote_configuration); 918 break; 919 case 'R': 920 remote_configuration_bitmap = store_bit16(remote_configuration_bitmap, AVDTP_MEDIA_CODEC, 1); 921 remote_configuration.media_codec.media_type = AVDTP_AUDIO; 922 remote_configuration.media_codec.media_codec_type = AVDTP_CODEC_SBC; 923 remote_configuration.media_codec.media_codec_information_len = sizeof(media_sbc_codec_reconfiguration); 924 remote_configuration.media_codec.media_codec_information = media_sbc_codec_reconfiguration; 925 avdtp_sink_reconfigure(avdtp_cid, local_stream_endpoint->sep.seid, sep.seid, remote_configuration_bitmap, remote_configuration); 926 break; 927 case 'o': 928 avdtp_sink_open_stream(avdtp_cid, local_stream_endpoint->sep.seid, sep.seid); 929 break; 930 case 'm': 931 avdtp_sink_start_stream(local_stream_endpoint->sep.seid); 932 break; 933 case 'A': 934 avdtp_sink_abort_stream(local_stream_endpoint->sep.seid); 935 break; 936 case 'S': 937 avdtp_sink_stop_stream(local_stream_endpoint->sep.seid); 938 break; 939 case 'P': 940 avdtp_sink_suspend(local_stream_endpoint->sep.seid); 941 break; 942 943 case '\n': 944 case '\r': 945 break; 946 case 'O': 947 printf(" - get play status\n"); 948 avrcp_get_play_status(avrcp_cid); 949 break; 950 case 'j': 951 printf(" - get now playing info\n"); 952 avrcp_get_now_playing_info(avrcp_cid); 953 break; 954 case 'k': 955 printf(" - play\n"); 956 avrcp_play(avrcp_cid); 957 break; 958 case 'K': 959 printf(" - stop\n"); 960 avrcp_stop(avrcp_cid); 961 break; 962 case 'L': 963 printf(" - pause\n"); 964 avrcp_pause(avrcp_cid); 965 break; 966 case 'u': 967 printf(" - start fast forward\n"); 968 avrcp_start_fast_forward(avrcp_cid); 969 break; 970 case 'U': 971 printf(" - stop fast forward\n"); 972 avrcp_stop_fast_forward(avrcp_cid); 973 break; 974 case 'n': 975 printf(" - start rewind\n"); 976 avrcp_start_rewind(avrcp_cid); 977 break; 978 case 'N': 979 printf(" - stop rewind\n"); 980 avrcp_stop_rewind(avrcp_cid); 981 break; 982 case 'i': 983 printf(" - forward\n"); 984 avrcp_forward(avrcp_cid); 985 break; 986 case 'I': 987 printf(" - backward\n"); 988 avrcp_backward(avrcp_cid); 989 break; 990 case 't': 991 printf(" - volume up\n"); 992 avrcp_volume_up(avrcp_cid); 993 break; 994 case 'T': 995 printf(" - volume down\n"); 996 avrcp_volume_down(avrcp_cid); 997 break; 998 case 'p': 999 printf(" - absolute volume of 50 percent\n"); 1000 avrcp_set_absolute_volume(avrcp_cid, 50); 1001 break; 1002 case 'M': 1003 printf(" - mute\n"); 1004 avrcp_mute(avrcp_cid); 1005 break; 1006 case 'r': 1007 printf(" - skip\n"); 1008 avrcp_skip(avrcp_cid); 1009 break; 1010 case 'q': 1011 printf(" - query repeat and shuffle mode\n"); 1012 avrcp_query_shuffle_and_repeat_modes(avrcp_cid); 1013 break; 1014 case 'v': 1015 printf(" - repeat single track\n"); 1016 avrcp_set_repeat_mode(avrcp_cid, AVRCP_REPEAT_MODE_SINGLE_TRACK); 1017 break; 1018 case 'x': 1019 printf(" - repeat all tracks\n"); 1020 avrcp_set_repeat_mode(avrcp_cid, AVRCP_REPEAT_MODE_ALL_TRACKS); 1021 break; 1022 case 'X': 1023 printf(" - disable repeat mode\n"); 1024 avrcp_set_repeat_mode(avrcp_cid, AVRCP_REPEAT_MODE_OFF); 1025 break; 1026 case 'z': 1027 printf(" - shuffle all tracks\n"); 1028 avrcp_set_shuffle_mode(avrcp_cid, AVRCP_SHUFFLE_MODE_ALL_TRACKS); 1029 break; 1030 case 'Z': 1031 printf(" - disable shuffle mode\n"); 1032 avrcp_set_shuffle_mode(avrcp_cid, AVRCP_SHUFFLE_MODE_OFF); 1033 break; 1034 default: 1035 show_usage(); 1036 break; 1037 1038 } 1039 } 1040 #endif 1041 1042 1043 int btstack_main(int argc, const char * argv[]); 1044 int btstack_main(int argc, const char * argv[]){ 1045 1046 UNUSED(argc); 1047 (void)argv; 1048 1049 /* Register for HCI events */ 1050 hci_event_callback_registration.callback = &packet_handler; 1051 hci_add_event_handler(&hci_event_callback_registration); 1052 1053 l2cap_init(); 1054 // Initialize AVDTP Sink 1055 a2dp_sink_init(); 1056 a2dp_sink_register_packet_handler(&packet_handler); 1057 a2dp_sink_register_media_handler(&handle_l2cap_media_data_packet); 1058 1059 local_seid = a2dp_sink_create_stream_endpoint(AVDTP_AUDIO, AVDTP_CODEC_SBC, media_sbc_codec_capabilities, sizeof(media_sbc_codec_capabilities), media_sbc_codec_configuration, sizeof(media_sbc_codec_configuration)); 1060 1061 // Initialize AVRCP COntroller 1062 avrcp_controller_init(); 1063 avrcp_register_packet_handler(&avrcp_packet_handler); 1064 1065 // Initialize SDP 1066 sdp_init(); 1067 // setup AVDTP sink 1068 memset(sdp_avdtp_sink_service_buffer, 0, sizeof(sdp_avdtp_sink_service_buffer)); 1069 a2dp_sink_create_sdp_record(sdp_avdtp_sink_service_buffer, 0x10001, 1, NULL, NULL); 1070 sdp_register_service(sdp_avdtp_sink_service_buffer); 1071 1072 // setup AVRCP 1073 memset(sdp_avrcp_controller_service_buffer, 0, sizeof(sdp_avrcp_controller_service_buffer)); 1074 avrcp_controller_create_sdp_record(sdp_avrcp_controller_service_buffer, 0x10001, AVRCP_BROWSING_ENABLED, 1, NULL, NULL); 1075 sdp_register_service(sdp_avrcp_controller_service_buffer); 1076 1077 1078 gap_set_local_name("BTstack A2DP Sink Test"); 1079 gap_discoverable_control(1); 1080 gap_set_class_of_device(0x200408); 1081 printf("sdp, gap done\n"); 1082 1083 // turn on! 1084 hci_power_control(HCI_POWER_ON); 1085 1086 #ifdef HAVE_AUDIO_DMA 1087 static btstack_data_source_t hal_audio_dma_data_source; 1088 // set up polling data_source 1089 btstack_run_loop_set_data_source_handler(&hal_audio_dma_data_source, &hal_audio_dma_process); 1090 btstack_run_loop_enable_data_source_callbacks(&hal_audio_dma_data_source, DATA_SOURCE_CALLBACK_POLL); 1091 btstack_run_loop_add_data_source(&hal_audio_dma_data_source); 1092 #endif 1093 1094 #ifdef HAVE_BTSTACK_STDIN 1095 // parse human readable Bluetooth address 1096 sscanf_bd_addr(device_addr_string, device_addr); 1097 btstack_stdin_setup(stdin_process); 1098 #endif 1099 1100 return 0; 1101 } 1102