/* * Copyright (C) 2016 BlueKitchen GmbH * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the copyright holders nor the names of * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * 4. Any redistribution, use, or modification is done solely for * personal benefit and not for any commercial purpose or for * monetary gain. * * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * Please inquire about commercial licensing options at * contact@bluekitchen-gmbh.com * */ #include #include #include #include #include #include "btstack.h" #include "wav_util.h" #ifdef HAVE_PORTAUDIO #include #include "btstack_ring_buffer.h" #endif #ifdef HAVE_POSIX_FILE_IO #define STORE_SBC_TO_SBC_FILE #define STORE_SBC_TO_WAV_FILE #endif #if defined(HAVE_PORTAUDIO) || defined(STORE_SBC_TO_WAV_FILE) #define DECODE_SBC #endif #define NUM_CHANNELS 2 #define SAMPLE_RATE 44100 // SBC Decoder for WAV file or PortAudio #ifdef DECODE_SBC static btstack_sbc_decoder_state_t state; static btstack_sbc_mode_t mode = SBC_MODE_STANDARD; static int total_num_samples = 0; #endif // PortAdudio - live playback #ifdef HAVE_PORTAUDIO #define PA_SAMPLE_TYPE paInt16 #define FRAMES_PER_BUFFER 128 #define BYTES_PER_FRAME (2*NUM_CHANNELS) #define PREBUFFER_MS 300 #define PREBUFFER_BYTES (PREBUFFER_MS*SAMPLE_RATE/1000*BYTES_PER_FRAME) static uint8_t ring_buffer_storage[2*PREBUFFER_BYTES]; static btstack_ring_buffer_t ring_buffer; static PaStream * stream; static int pa_stream_started = 0; static int pa_stream_paused = 0; #endif // WAV File #ifdef STORE_SBC_TO_WAV_FILE static int frame_count = 0; static char * wav_filename = "avdtp_sink.wav"; #endif #ifdef STORE_SBC_TO_SBC_FILE static FILE * sbc_file; static char * sbc_filename = "avdtp_sink.sbc"; #endif typedef struct { // bitmaps uint8_t sampling_frequency_bitmap; uint8_t channel_mode_bitmap; uint8_t block_length_bitmap; uint8_t subbands_bitmap; uint8_t allocation_method_bitmap; uint8_t min_bitpool_value; uint8_t max_bitpool_value; } adtvp_media_codec_information_sbc_t; typedef struct { int reconfigure; int num_channels; int sampling_frequency; int channel_mode; int block_length; int subbands; int allocation_method; int min_bitpool_value; int max_bitpool_value; int frames_per_buffer; } avdtp_media_codec_configuration_sbc_t; #ifdef HAVE_BTSTACK_STDIN // mac 2011: static const char * device_addr_string = "04:0C:CE:E4:85:D3"; // pts: static const char * device_addr_string = "00:1B:DC:08:0A:A5"; // mac 2013: static const char * device_addr_string = "84:38:35:65:d1:15"; // phone 2013: static const char * device_addr_string = "D8:BB:2C:DF:F0:F2"; // minijambox: static const char * device_addr_string = "00:21:3C:AC:F7:38"; // head phones: static const char * device_addr_string = "00:18:09:28:50:18"; // bt dongle: static const char * device_addr_string = "00:15:83:5F:9D:46"; #endif static bd_addr_t device_addr; static uint16_t avdtp_cid = 0; static uint8_t sdp_avdtp_sink_service_buffer[150]; static avdtp_sep_t sep; static adtvp_media_codec_information_sbc_t sbc_capability; static avdtp_media_codec_configuration_sbc_t sbc_configuration; static avdtp_stream_endpoint_t * local_stream_endpoint; static uint16_t remote_configuration_bitmap; static avdtp_capabilities_t remote_configuration; static avdtp_context_t a2dp_sink_context; typedef enum { AVDTP_APPLICATION_IDLE, AVDTP_APPLICATION_W2_DISCOVER_SEPS, AVDTP_APPLICATION_W2_GET_CAPABILITIES, AVDTP_APPLICATION_W2_GET_ALL_CAPABILITIES, AVDTP_APPLICATION_W2_SET_CONFIGURATION, AVDTP_APPLICATION_W2_SUSPEND_STREAM_WITH_SEID, AVDTP_APPLICATION_W2_RECONFIGURE_WITH_SEID, AVDTP_APPLICATION_W2_OPEN_STREAM_WITH_SEID, AVDTP_APPLICATION_W2_START_STREAM_WITH_SEID, AVDTP_APPLICATION_W2_ABORT_STREAM_WITH_SEID, AVDTP_APPLICATION_W2_STOP_STREAM_WITH_SEID, AVDTP_APPLICATION_W2_GET_CONFIGURATION } avdtp_application_state_t; avdtp_application_state_t app_state = AVDTP_APPLICATION_IDLE; static btstack_packet_callback_registration_t hci_event_callback_registration; static int media_initialized = 0; #ifdef HAVE_PORTAUDIO static int patestCallback( const void *inputBuffer, void *outputBuffer, unsigned long framesPerBuffer, const PaStreamCallbackTimeInfo* timeInfo, PaStreamCallbackFlags statusFlags, void *userData ) { /** patestCallback is called from different thread, don't use hci_dump / log_info here without additional checks */ (void) timeInfo; /* Prevent unused variable warnings. */ (void) statusFlags; (void) inputBuffer; (void) userData; int bytes_to_copy = framesPerBuffer * BYTES_PER_FRAME; // fill with silence while paused if (pa_stream_paused){ if (btstack_ring_buffer_bytes_available(&ring_buffer) < PREBUFFER_BYTES){ // printf("PA: silence\n"); memset(outputBuffer, 0, bytes_to_copy); return 0; } else { // resume playback pa_stream_paused = 0; } } // get data from ringbuffer uint32_t bytes_read = 0; btstack_ring_buffer_read(&ring_buffer, outputBuffer, bytes_to_copy, &bytes_read); bytes_to_copy -= bytes_read; // fill with 0 if not enough if (bytes_to_copy){ memset(outputBuffer + bytes_read, 0, bytes_to_copy); pa_stream_paused = 1; } return 0; } #endif #ifdef DECODE_SBC static void handle_pcm_data(int16_t * data, int num_samples, int num_channels, int sample_rate, void * context){ UNUSED(sample_rate); UNUSED(context); #ifdef STORE_SBC_TO_WAV_FILE wav_writer_write_int16(num_samples*num_channels, data); frame_count++; #endif total_num_samples+=num_samples*num_channels; #ifdef HAVE_PORTAUDIO if (!pa_stream_started){ /* -- start stream -- */ PaError err = Pa_StartStream(stream); if (err != paNoError){ printf("Error starting the stream: \"%s\"\n", Pa_GetErrorText(err)); return; } pa_stream_started = 1; pa_stream_paused = 1; } btstack_ring_buffer_write(&ring_buffer, (uint8_t *)data, num_samples*num_channels*2); #endif } #endif static int init_media_processing(avdtp_media_codec_configuration_sbc_t configuration){ int num_channels = configuration.num_channels; int sample_rate = configuration.sampling_frequency; #ifdef DECODE_SBC btstack_sbc_decoder_init(&state, mode, handle_pcm_data, NULL); #endif #ifdef STORE_SBC_TO_WAV_FILE wav_writer_open(wav_filename, num_channels, sample_rate); #endif #ifdef STORE_SBC_TO_SBC_FILE sbc_file = fopen(sbc_filename, "wb"); #endif #ifdef HAVE_PORTAUDIO // int frames_per_buffer = configuration.frames_per_buffer; PaError err; PaStreamParameters outputParameters; /* -- initialize PortAudio -- */ err = Pa_Initialize(); if (err != paNoError){ printf("Error initializing portaudio: \"%s\"\n", Pa_GetErrorText(err)); return err; } /* -- setup input and output -- */ outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */ outputParameters.channelCount = num_channels; outputParameters.sampleFormat = PA_SAMPLE_TYPE; outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency; outputParameters.hostApiSpecificStreamInfo = NULL; /* -- setup stream -- */ err = Pa_OpenStream( &stream, NULL, /* &inputParameters */ &outputParameters, sample_rate, 0, paClipOff, /* we won't output out of range samples so don't bother clipping them */ patestCallback, /* use callback */ NULL ); if (err != paNoError){ printf("Error initializing portaudio: \"%s\"\n", Pa_GetErrorText(err)); return err; } memset(ring_buffer_storage, 0, sizeof(ring_buffer_storage)); btstack_ring_buffer_init(&ring_buffer, ring_buffer_storage, sizeof(ring_buffer_storage)); pa_stream_started = 0; #endif media_initialized = 1; return 0; } static void close_media_processing(void){ if (!media_initialized) return; media_initialized = 0; #ifdef STORE_SBC_TO_WAV_FILE printf(" Close wav writer.\n"); wav_writer_close(); int total_frames_nr = state.good_frames_nr + state.bad_frames_nr + state.zero_frames_nr; 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); printf(" Written %d frames to wav file: %s\n\n", frame_count, wav_filename); #endif #ifdef STORE_SBC_TO_SBC_FILE fclose(sbc_file); #endif #ifdef HAVE_PORTAUDIO PaError err = Pa_StopStream(stream); if (err != paNoError){ printf("Error stopping the stream: \"%s\"\n", Pa_GetErrorText(err)); return; } pa_stream_started = 0; err = Pa_CloseStream(stream); if (err != paNoError){ printf("Error closing the stream: \"%s\"\n", Pa_GetErrorText(err)); return; } err = Pa_Terminate(); if (err != paNoError){ printf("Error terminating portaudio: \"%s\"\n", Pa_GetErrorText(err)); return; } #endif } static void handle_l2cap_media_data_packet(avdtp_stream_endpoint_t * stream_endpoint, uint8_t *packet, uint16_t size){ UNUSED(stream_endpoint); int pos = 0; avdtp_media_packet_header_t media_header; media_header.version = packet[pos] & 0x03; media_header.padding = get_bit16(packet[pos],2); media_header.extension = get_bit16(packet[pos],3); media_header.csrc_count = (packet[pos] >> 4) & 0x0F; pos++; media_header.marker = get_bit16(packet[pos],0); media_header.payload_type = (packet[pos] >> 1) & 0x7F; pos++; media_header.sequence_number = big_endian_read_16(packet, pos); pos+=2; media_header.timestamp = big_endian_read_32(packet, pos); pos+=4; media_header.synchronization_source = big_endian_read_32(packet, pos); pos+=4; UNUSED(media_header); // TODO: read csrc list // printf_hexdump( packet, pos ); // printf("MEDIA HEADER: %u timestamp, version %u, padding %u, extension %u, csrc_count %u\n", // media_header.timestamp, media_header.version, media_header.padding, media_header.extension, media_header.csrc_count); // printf("MEDIA HEADER: marker %02x, payload_type %02x, sequence_number %u, synchronization_source %u\n", // media_header.marker, media_header.payload_type, media_header.sequence_number, media_header.synchronization_source); avdtp_sbc_codec_header_t sbc_header; sbc_header.fragmentation = get_bit16(packet[pos], 7); sbc_header.starting_packet = get_bit16(packet[pos], 6); sbc_header.last_packet = get_bit16(packet[pos], 5); sbc_header.num_frames = packet[pos] & 0x0f; pos++; UNUSED(sbc_header); // 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); // printf_hexdump( packet+pos, size-pos ); #ifdef DECODE_SBC btstack_sbc_decoder_process_data(&state, 0, packet+pos, size-pos); #endif #ifdef STORE_SBC_TO_SBC_FILE fwrite(packet+pos, size-pos, 1, sbc_file); #endif #ifdef HAVE_PORTAUDIO log_info("PA: bytes avail after recv: %d", btstack_ring_buffer_bytes_available(&ring_buffer)); #endif } static void dump_sbc_capability(adtvp_media_codec_information_sbc_t media_codec_sbc){ printf("Received media codec capability:\n"); printf(" - sampling_frequency: 0x%02x\n", media_codec_sbc.sampling_frequency_bitmap); printf(" - channel_mode: 0x%02x\n", media_codec_sbc.channel_mode_bitmap); printf(" - block_length: 0x%02x\n", media_codec_sbc.block_length_bitmap); printf(" - subbands: 0x%02x\n", media_codec_sbc.subbands_bitmap); printf(" - allocation_method: 0x%02x\n", media_codec_sbc.allocation_method_bitmap); printf(" - bitpool_value [%d, %d] \n", media_codec_sbc.min_bitpool_value, media_codec_sbc.max_bitpool_value); } static void dump_sbc_configuration(avdtp_media_codec_configuration_sbc_t configuration){ printf("Received media codec configuration:\n"); printf(" - num_channels: %d\n", configuration.num_channels); printf(" - sampling_frequency: %d\n", configuration.sampling_frequency); printf(" - channel_mode: %d\n", configuration.channel_mode); printf(" - block_length: %d\n", configuration.block_length); printf(" - subbands: %d\n", configuration.subbands); printf(" - allocation_method: %d\n", configuration.allocation_method); printf(" - bitpool_value [%d, %d] \n", configuration.min_bitpool_value, configuration.max_bitpool_value); } static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ UNUSED(channel); UNUSED(size); bd_addr_t event_addr; switch (packet_type) { case HCI_EVENT_PACKET: switch (hci_event_packet_get_type(packet)) { case HCI_EVENT_PIN_CODE_REQUEST: // inform about pin code request printf("Pin code request - using '0000'\n"); hci_event_pin_code_request_get_bd_addr(packet, event_addr); gap_pin_code_response(event_addr, "0000"); break; case HCI_EVENT_DISCONNECTION_COMPLETE: // connection closed -> quit test app printf("\n --- avdtp_test: HCI_EVENT_DISCONNECTION_COMPLETE ---\n"); close_media_processing(); break; case HCI_EVENT_AVDTP_META: switch (packet[2]){ case AVDTP_SUBEVENT_SIGNALING_CONNECTION_ESTABLISHED: avdtp_cid = avdtp_subevent_signaling_connection_established_get_avdtp_cid(packet); printf("\n --- avdtp_test: AVDTP_SUBEVENT_SIGNALING_CONNECTION_ESTABLISHED, cid 0x%02x ---\n", avdtp_cid); break; case AVDTP_SUBEVENT_SIGNALING_SEP_FOUND: if (app_state != AVDTP_APPLICATION_W2_DISCOVER_SEPS) return; sep.seid = avdtp_subevent_signaling_sep_found_get_remote_seid(packet); sep.in_use = avdtp_subevent_signaling_sep_found_get_in_use(packet); sep.media_type = avdtp_subevent_signaling_sep_found_get_media_type(packet); sep.type = avdtp_subevent_signaling_sep_found_get_sep_type(packet); 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); break; case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CAPABILITY: app_state = AVDTP_APPLICATION_IDLE; sbc_capability.sampling_frequency_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_sampling_frequency_bitmap(packet); sbc_capability.channel_mode_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_channel_mode_bitmap(packet); sbc_capability.block_length_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_block_length_bitmap(packet); sbc_capability.subbands_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_subbands_bitmap(packet); sbc_capability.allocation_method_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_allocation_method_bitmap(packet); sbc_capability.min_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_capability_get_min_bitpool_value(packet); sbc_capability.max_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_capability_get_max_bitpool_value(packet); dump_sbc_capability(sbc_capability); break; case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CONFIGURATION:{ app_state = AVDTP_APPLICATION_IDLE; sbc_configuration.reconfigure = avdtp_subevent_signaling_media_codec_sbc_configuration_get_reconfigure(packet); sbc_configuration.num_channels = avdtp_subevent_signaling_media_codec_sbc_configuration_get_num_channels(packet); sbc_configuration.sampling_frequency = avdtp_subevent_signaling_media_codec_sbc_configuration_get_sampling_frequency(packet); sbc_configuration.channel_mode = avdtp_subevent_signaling_media_codec_sbc_configuration_get_channel_mode(packet); sbc_configuration.block_length = avdtp_subevent_signaling_media_codec_sbc_configuration_get_block_length(packet); sbc_configuration.subbands = avdtp_subevent_signaling_media_codec_sbc_configuration_get_subbands(packet); sbc_configuration.allocation_method = avdtp_subevent_signaling_media_codec_sbc_configuration_get_allocation_method(packet); sbc_configuration.min_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_configuration_get_min_bitpool_value(packet); sbc_configuration.max_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_configuration_get_max_bitpool_value(packet); sbc_configuration.frames_per_buffer = sbc_configuration.subbands * sbc_configuration.block_length; dump_sbc_configuration(sbc_configuration); // // TODO: use actual config // btstack_sbc_encoder_init(&local_stream_endpoint->sbc_encoder_state, SBC_MODE_STANDARD, 16, 8, 2, 44100, 53); if (sbc_configuration.reconfigure){ close_media_processing(); init_media_processing(sbc_configuration); } else { init_media_processing(sbc_configuration); } break; } case AVDTP_SUBEVENT_STREAMING_CONNECTION_ESTABLISHED: break; case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_OTHER_CAPABILITY: printf(" received non SBC codec. not implemented\n"); break; case AVDTP_SUBEVENT_SIGNALING_ACCEPT: app_state = AVDTP_APPLICATION_IDLE; break; default: printf(" not implemented\n"); break; } break; default: break; } break; default: // other packet type break; } } static uint8_t media_sbc_codec_capabilities[] = { 0xFF,//(AVDTP_SBC_44100 << 4) | AVDTP_SBC_STEREO, 0xFF,//(AVDTP_SBC_BLOCK_LENGTH_16 << 4) | (AVDTP_SBC_SUBBANDS_8 << 2) | AVDTP_SBC_ALLOCATION_METHOD_LOUDNESS, 2, 53 }; static uint8_t media_sbc_codec_configuration[] = { (AVDTP_SBC_44100 << 4) | AVDTP_SBC_STEREO, (AVDTP_SBC_BLOCK_LENGTH_16 << 4) | (AVDTP_SBC_SUBBANDS_8 << 2) | AVDTP_SBC_ALLOCATION_METHOD_LOUDNESS, 2, 53 }; static uint8_t media_sbc_codec_reconfiguration[] = { (AVDTP_SBC_44100 << 4) | AVDTP_SBC_STEREO, (AVDTP_SBC_BLOCK_LENGTH_16 << 4) | (AVDTP_SBC_SUBBANDS_8 << 2) | AVDTP_SBC_ALLOCATION_METHOD_SNR, 2, 53 }; #ifdef HAVE_BTSTACK_STDIN static void show_usage(void){ bd_addr_t iut_address; gap_local_bd_addr(iut_address); printf("\n--- Bluetooth AVDTP SINK Test Console %s ---\n", bd_addr_to_str(iut_address)); printf("c - create connection to addr %s\n", device_addr_string); printf("C - disconnect\n"); printf("d - discover stream endpoints\n"); printf("g - get capabilities\n"); printf("a - get all capabilities\n"); printf("s - set configuration\n"); printf("f - get configuration\n"); printf("R - reconfigure stream with %d\n", sep.seid); printf("o - open stream with seid %d\n", sep.seid); printf("m - start stream with %d\n", sep.seid); printf("A - abort stream with %d\n", sep.seid); printf("S - stop stream with %d\n", sep.seid); printf("P - suspend stream with %d\n", sep.seid); printf("Ctrl-c - exit\n"); printf("---\n"); } static void stdin_process(char cmd){ sep.seid = 1; switch (cmd){ case 'c': printf("Creating L2CAP Connection to %s, BLUETOOTH_PROTOCOL_AVDTP\n", device_addr_string); avdtp_sink_connect(device_addr, &avdtp_cid); break; case 'C': printf("Disconnect not implemented\n"); avdtp_sink_disconnect(avdtp_cid); break; case 'd': app_state = AVDTP_APPLICATION_W2_DISCOVER_SEPS; avdtp_sink_discover_stream_endpoints(avdtp_cid); break; case 'g': app_state = AVDTP_APPLICATION_W2_GET_CAPABILITIES; avdtp_sink_get_capabilities(avdtp_cid, sep.seid); break; case 'a': app_state = AVDTP_APPLICATION_W2_GET_ALL_CAPABILITIES; avdtp_sink_get_all_capabilities(avdtp_cid, sep.seid); break; case 'f': app_state = AVDTP_APPLICATION_W2_GET_CONFIGURATION; avdtp_sink_get_configuration(avdtp_cid, sep.seid); break; case 's': app_state = AVDTP_APPLICATION_W2_SET_CONFIGURATION; remote_configuration_bitmap = store_bit16(remote_configuration_bitmap, AVDTP_MEDIA_CODEC, 1); remote_configuration.media_codec.media_type = AVDTP_AUDIO; remote_configuration.media_codec.media_codec_type = AVDTP_CODEC_SBC; remote_configuration.media_codec.media_codec_information_len = sizeof(media_sbc_codec_configuration); remote_configuration.media_codec.media_codec_information = media_sbc_codec_configuration; avdtp_sink_set_configuration(avdtp_cid, local_stream_endpoint->sep.seid, sep.seid, remote_configuration_bitmap, remote_configuration); break; case 'R': app_state = AVDTP_APPLICATION_W2_RECONFIGURE_WITH_SEID; remote_configuration_bitmap = store_bit16(remote_configuration_bitmap, AVDTP_MEDIA_CODEC, 1); remote_configuration.media_codec.media_type = AVDTP_AUDIO; remote_configuration.media_codec.media_codec_type = AVDTP_CODEC_SBC; remote_configuration.media_codec.media_codec_information_len = sizeof(media_sbc_codec_reconfiguration); remote_configuration.media_codec.media_codec_information = media_sbc_codec_reconfiguration; avdtp_sink_reconfigure(avdtp_cid, local_stream_endpoint->sep.seid, sep.seid, remote_configuration_bitmap, remote_configuration); break; case 'o': app_state = AVDTP_APPLICATION_W2_OPEN_STREAM_WITH_SEID; avdtp_sink_open_stream(avdtp_cid, local_stream_endpoint->sep.seid, sep.seid); break; case 'm': printf("AVDTP_APPLICATION_W2_START_STREAM_WITH_SEID \n"); app_state = AVDTP_APPLICATION_W2_START_STREAM_WITH_SEID; avdtp_sink_start_stream(avdtp_cid, avdtp_local_seid(local_stream_endpoint)); break; case 'A': app_state = AVDTP_APPLICATION_W2_ABORT_STREAM_WITH_SEID; avdtp_sink_abort_stream(avdtp_cid, avdtp_local_seid(local_stream_endpoint)); break; case 'S': app_state = AVDTP_APPLICATION_W2_STOP_STREAM_WITH_SEID; avdtp_sink_stop_stream(avdtp_cid, avdtp_local_seid(local_stream_endpoint)); break; case 'P': app_state = AVDTP_APPLICATION_W2_SUSPEND_STREAM_WITH_SEID; avdtp_sink_suspend(avdtp_cid, avdtp_local_seid(local_stream_endpoint)); break; case '\n': case '\r': break; default: show_usage(); break; } } #endif int btstack_main(int argc, const char * argv[]); int btstack_main(int argc, const char * argv[]){ UNUSED(argc); (void)argv; /* Register for HCI events */ hci_event_callback_registration.callback = &packet_handler; hci_add_event_handler(&hci_event_callback_registration); l2cap_init(); // Initialize AVDTP Sink avdtp_source_init(&a2dp_sink_context); avdtp_sink_register_packet_handler(&packet_handler); //#ifndef SMG_BI local_stream_endpoint = avdtp_sink_create_stream_endpoint(AVDTP_SINK, AVDTP_AUDIO); avdtp_sink_register_media_transport_category(local_stream_endpoint->sep.seid); avdtp_sink_register_media_codec_category(local_stream_endpoint->sep.seid, AVDTP_AUDIO, AVDTP_CODEC_SBC, media_sbc_codec_capabilities, sizeof(media_sbc_codec_capabilities)); //#endif // uint8_t cp_type_lsb, uint8_t cp_type_msb, const uint8_t * cp_type_value, uint8_t cp_type_value_len // avdtp_sink_register_content_protection_category(seid, 2, 2, NULL, 0); avdtp_sink_register_media_handler(&handle_l2cap_media_data_packet); printf("reistered media handler\n"); // Initialize SDP sdp_init(); memset(sdp_avdtp_sink_service_buffer, 0, sizeof(sdp_avdtp_sink_service_buffer)); a2dp_sink_create_sdp_record(sdp_avdtp_sink_service_buffer, 0x10001, 1, NULL, NULL); sdp_register_service(sdp_avdtp_sink_service_buffer); gap_set_local_name("BTstack A2DP Sink Test"); gap_discoverable_control(1); gap_set_class_of_device(0x200408); #ifdef HAVE_BTSTACK_STDIN // parse human readable Bluetooth address sscanf_bd_addr(device_addr_string, device_addr); btstack_stdin_setup(stdin_process); #endif // turn on! hci_power_control(HCI_POWER_ON); return 0; }