diff --git a/example/a2dp_source_demo.c b/example/a2dp_source_demo.c index dc771f1e2..eec5f87ad 100644 --- a/example/a2dp_source_demo.c +++ b/example/a2dp_source_demo.c @@ -42,21 +42,10 @@ */ // ***************************************************************************** -/* EXAMPLE_START(a2dp_source_demo): A2DP Source - Stream Audio and Control Volume +/* EXAMPLE_START(a2dp_multi_source_demo): A2DP Source - Stream Audio * * @text This A2DP Source example demonstrates how to send an audio data stream - * to a remote A2DP Sink device and how to switch between two audio data sources. - * In addition, the AVRCP Target is used to answer queries on currently played media, - * as well as to handle remote playback control, i.e. play, stop, repeat, etc. If HAVE_BTSTACK_STDIN - * is set, press SPACE on the console to show the available AVDTP and AVRCP commands. - * - * @text To test with a remote device, e.g. a Bluetooth speaker, - * set the device_addr_string to the Bluetooth address of your - * remote device in the code, and use the UI to connect and start playback. - * - * @text For more info on BTstack audio, see our blog post - * [A2DP Sink and Source on STM32 F4 Discovery Board](http://bluekitchen-gmbh.com/a2dp-sink-and-source-on-stm32-f4-discovery-board/). - * + * to one or more A2DP Sink devices. */ // ***************************************************************************** @@ -71,7 +60,10 @@ #include "mods/mod.h" // logarithmic volume reduction, samples are divided by 2^x -// #define VOLUME_REDUCTION 3 +#define VOLUME_REDUCTION 3 + +// max number of active sink connections +#define NUM_SINKS 2 //#define AVRCP_BROWSING_ENABLED @@ -89,26 +81,36 @@ typedef enum { } stream_data_source_t; typedef struct { - uint16_t a2dp_cid; - uint8_t local_seid; - uint8_t remote_seid; - uint8_t stream_opened; - uint16_t avrcp_cid; - uint32_t time_audio_data_sent; // ms uint32_t acc_num_missed_samples; uint32_t samples_ready; btstack_timer_source_t audio_timer; uint8_t streaming; int max_media_payload_size; - uint8_t sbc_storage[SBC_STORAGE_SIZE]; uint16_t sbc_storage_count; uint8_t sbc_ready_to_send; - uint16_t volume; + bool playback_active; + + // id of next sink to send media packet + uint8_t next_sink_id; + // cid for current request to send + uint16_t triggered_a2dp_cid; } a2dp_media_sending_context_t; +typedef struct { + // a2dp_cid == 0 <==> not connected / empty slot + uint16_t a2dp_cid; + bd_addr_t addr; + uint8_t local_seid; + uint8_t remote_seid; + bool stream_active; + uint16_t avrcp_cid; +} a2dp_sink_t; + +static a2dp_sink_t a2dp_sinks[NUM_SINKS]; + static uint8_t media_sbc_codec_capabilities[] = { (AVDTP_SBC_44100 << 4) | AVDTP_SBC_STEREO, 0xFF,//(AVDTP_SBC_BLOCK_LENGTH_16 << 4) | (AVDTP_SBC_SUBBANDS_8 << 2) | AVDTP_SBC_ALLOCATION_METHOD_LOUDNESS, @@ -162,21 +164,19 @@ typedef struct { static btstack_packet_callback_registration_t hci_event_callback_registration; -// pts: static const char * device_addr_string = "00:1B:DC:08:0A:A5"; -// pts: static const char * device_addr_string = "00:1B:DC:08:E2:72"; -// 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"; -// Philips SHB9100: static const char * device_addr_string = "00:22:37:05:FD:E8"; -// RT-B6: static const char * device_addr_string = "00:75:58:FF:C9:7D"; -// BT dongle: static const char * device_addr_string = "00:1A:7D:DA:71:0A"; -// Sony MDR-ZX330BT static const char * device_addr_string = "00:18:09:28:50:18"; -// Panda (BM6) static const char * device_addr_string = "4F:3F:66:52:8B:E0"; -// BeatsX: static const char * device_addr_string = "DC:D3:A2:89:57:FB"; -// Green mushroom: static const char * device_addr_string = "41:42:2A:ED:D6:F3"; +static struct device_info { + const char * name; + const char * addr_string; +} device_infos[] = { + { "Jawbone MiniJambox", "00:21:3C:AC:F7:38"}, + { "Sony MDX-ZX330BT", "00:18:09:28:50:18"}, + { "Philips SHB9100", "00:22:37:05:FD:E8"}, + { "Panda (BM6)", "4F:3F:66:52:8B:E0"}, + { "BeatsX", "DC:D3:A2:89:57:FB"}, + { "Mushroom Green", "41:42:2A:ED:D6:F3"} +}; -static bd_addr_t device_addr; +#define NUM_DEVICE_INFOS (sizeof(device_infos) / sizeof( struct device_info)) static uint8_t sdp_a2dp_source_service_buffer[150]; static uint8_t sdp_avrcp_target_service_buffer[200]; @@ -192,61 +192,13 @@ static a2dp_media_sending_context_t media_tracker; static stream_data_source_t data_source; static int sine_phase; -static int current_sample_rate = 44100; -static int new_sample_rate = 44100; +static int current_sample_rate; +static int new_sample_rate; static int hxcmod_initialized; static modcontext mod_context; static tracker_buffer_state trkbuf; -/* AVRCP Target context START */ -static const uint8_t subunit_info[] = { - 0,0,0,0, - 1,1,1,1, - 2,2,2,2, - 3,3,3,3, - 4,4,4,4, - 5,5,5,5, - 6,6,6,6, - 7,7,7,7 -}; - -static uint32_t company_id = 0x112233; -static uint8_t companies_num = 1; -static uint8_t companies[] = { - 0x00, 0x19, 0x58 //BT SIG registered CompanyID -}; - -static uint8_t events_num = 6; -static uint8_t events[] = { - AVRCP_NOTIFICATION_EVENT_PLAYBACK_STATUS_CHANGED, - AVRCP_NOTIFICATION_EVENT_TRACK_CHANGED, - AVRCP_NOTIFICATION_EVENT_PLAYER_APPLICATION_SETTING_CHANGED, - AVRCP_NOTIFICATION_EVENT_NOW_PLAYING_CONTENT_CHANGED, - AVRCP_NOTIFICATION_EVENT_AVAILABLE_PLAYERS_CHANGED, - AVRCP_NOTIFICATION_EVENT_ADDRESSED_PLAYER_CHANGED -}; - -typedef struct { - uint8_t track_id[8]; - uint32_t song_length_ms; - avrcp_playback_status_t status; - uint32_t song_position_ms; // 0xFFFFFFFF if not supported -} avrcp_play_status_info_t; - -// python -c "print('a'*512)" -static const char title[] = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; - -avrcp_track_t tracks[] = { - {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01}, 1, "Sine", "Generated", "A2DP Source Demo", "monotone", 12345}, - {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02}, 2, "Nao-deceased", "Decease", "A2DP Source Demo", "vivid", 12345}, - {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03}, 3, (char *)title, "Decease", "A2DP Source Demo", "vivid", 12345}, -}; -int current_track_index; -avrcp_play_status_info_t play_info; - -/* AVRCP Target context END */ - /* @section Main Application Setup * * @text The Listing MainConfiguration shows how to setup AD2P Source and AVRCP services. @@ -283,17 +235,19 @@ static int a2dp_source_and_avrcp_services_init(void){ a2dp_source_init(); a2dp_source_register_packet_handler(&a2dp_source_packet_handler); - // Create stream endpoint - avdtp_stream_endpoint_t * local_stream_endpoint = a2dp_source_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)); - if (!local_stream_endpoint){ - printf("A2DP Source: not enough memory to create local stream endpoint\n"); - return 1; + // Create stream endpoints + uint8_t i; + for (i=0;iaudio_timer, AUDIO_TIMEOUT_MS); + a2dp_media_sending_context_t * context = &media_tracker; + btstack_run_loop_set_timer(&context->audio_timer, AUDIO_TIMEOUT_MS); btstack_run_loop_add_timer(&context->audio_timer); uint32_t now = btstack_run_loop_get_time_ms(); @@ -488,12 +461,24 @@ static void a2dp_demo_audio_timeout_handler(btstack_timer_source_t * timer){ if ((context->sbc_storage_count + btstack_sbc_encoder_sbc_buffer_length()) > context->max_media_payload_size){ // schedule sending context->sbc_ready_to_send = 1; - a2dp_source_stream_endpoint_request_can_send_now(context->a2dp_cid, context->local_seid); + context->next_sink_id = 0; + a2dp_demo_trigger_send(); } } static void a2dp_demo_timer_start(a2dp_media_sending_context_t * context){ - context->max_media_payload_size = btstack_min(a2dp_max_media_payload_size(context->a2dp_cid, context->local_seid), SBC_STORAGE_SIZE); + // get min max payload + uint16_t max_media_payload = SBC_STORAGE_SIZE; + uint8_t i; + for (i=0;imax_media_payload_size = max_media_payload; + + if (context->playback_active) return; + context->sbc_storage_count = 0; context->sbc_ready_to_send = 0; context->streaming = 1; @@ -505,6 +490,7 @@ static void a2dp_demo_timer_start(a2dp_media_sending_context_t * context){ } static void a2dp_demo_timer_stop(a2dp_media_sending_context_t * context){ + context->playback_active = false; context->time_audio_data_sent = 0; context->acc_num_missed_samples = 0; context->samples_ready = 0; @@ -550,6 +536,62 @@ static void hci_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *p } } +static int a2dp_source_demo_index_for_a2dp_cid(uint16_t cid){ + uint8_t i; + for (i=0;i= 0){ + a2dp_sinks[index].a2dp_cid = 0; + } break; } - media_tracker.a2dp_cid = cid; - media_tracker.volume = 32; - printf("A2DP Source: Connected to address %s, a2dp cid 0x%02x, local seid 0x%02x.\n", bd_addr_to_str(address), media_tracker.a2dp_cid, media_tracker.local_seid); + if (index < 0){ + // get empty slot + index = a2dp_source_demo_index_for_a2dp_cid(0); + if (index < 0){ + printf("A2DP Source: already %u connected sinks\n", NUM_SINKS); + break; + } + } + + a2dp_sinks[index].a2dp_cid = cid; + memcpy(a2dp_sinks[index].addr, address, 6); + + printf("A2DP Source: Connected to address %s, a2dp cid 0x%02x as sink %u\n", bd_addr_to_str(address), cid, index); break; - case A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CONFIGURATION:{ + case A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CONFIGURATION:{ cid = avdtp_subevent_signaling_media_codec_sbc_configuration_get_avdtp_cid(packet); - if (cid != media_tracker.a2dp_cid) return; + index = a2dp_source_demo_index_for_a2dp_cid(cid); + if (index < 0) break; - media_tracker.remote_seid = a2dp_subevent_signaling_media_codec_sbc_configuration_get_remote_seid(packet); + a2dp_sinks[index].remote_seid = a2dp_subevent_signaling_media_codec_sbc_configuration_get_remote_seid(packet); sbc_configuration.reconfigure = a2dp_subevent_signaling_media_codec_sbc_configuration_get_reconfigure(packet); sbc_configuration.num_channels = a2dp_subevent_signaling_media_codec_sbc_configuration_get_num_channels(packet); @@ -602,8 +659,8 @@ static void a2dp_source_packet_handler(uint8_t packet_type, uint16_t channel, ui sbc_configuration.sampling_frequency, cid, a2dp_subevent_signaling_media_codec_sbc_configuration_get_local_seid(packet), a2dp_subevent_signaling_media_codec_sbc_configuration_get_remote_seid(packet)); - - // Adapt Bluetooth spec definition to SBC Encoder expected input + + // Adapt Bluetooth spec definition to SBC Encoder expected input sbc_configuration.allocation_method = (btstack_sbc_allocation_method_t)(allocation_method - 1); switch (channel_mode){ case AVDTP_CHANNEL_MODE_JOINT_STEREO: @@ -624,9 +681,12 @@ static void a2dp_source_packet_handler(uint8_t packet_type, uint16_t channel, ui } dump_sbc_configuration(&sbc_configuration); - btstack_sbc_encoder_init(&sbc_encoder_state, SBC_MODE_STANDARD, - sbc_configuration.block_length, sbc_configuration.subbands, - sbc_configuration.allocation_method, sbc_configuration.sampling_frequency, + // only configure first active connection + if (media_tracker.playback_active) break; + + btstack_sbc_encoder_init(&sbc_encoder_state, SBC_MODE_STANDARD, + sbc_configuration.block_length, sbc_configuration.subbands, + sbc_configuration.allocation_method, sbc_configuration.sampling_frequency, sbc_configuration.max_bitpool_value, sbc_configuration.channel_mode); break; @@ -654,16 +714,18 @@ static void a2dp_source_packet_handler(uint8_t packet_type, uint16_t channel, ui printf("A2DP Source: Stream failed, status 0x%02x.\n", status); break; } - - local_seid = a2dp_subevent_stream_established_get_local_seid(packet); cid = a2dp_subevent_stream_established_get_a2dp_cid(packet); + index = a2dp_source_demo_index_for_a2dp_cid(cid); + if (index < 0) break; + + local_seid = a2dp_subevent_stream_established_get_local_seid(packet); + a2dp_sinks[index].local_seid = local_seid; + + printf("A2DP Source: Stream established connection %u, a2dp_cid 0x%02x, local_seid 0x%02x, remote_seid 0x%02x\n", index, cid, local_seid, a2dp_subevent_stream_established_get_remote_seid(packet)); - printf("A2DP Source: Stream established a2dp_cid 0x%02x, local_seid 0x%02x, remote_seid 0x%02x\n", cid, local_seid, a2dp_subevent_stream_established_get_remote_seid(packet)); - - a2dp_demo_hexcmod_configure_sample_rate(current_sample_rate); - media_tracker.stream_opened = 1; + a2dp_demo_hexcmod_configure_sample_rate(sbc_configuration.sampling_frequency); data_source = STREAM_MOD; - status = a2dp_source_start_stream(media_tracker.a2dp_cid, media_tracker.local_seid); + status = a2dp_source_start_stream(a2dp_sinks[index].a2dp_cid, a2dp_sinks[index].local_seid); break; case A2DP_SUBEVENT_STREAM_RECONFIGURED: @@ -676,67 +738,60 @@ static void a2dp_source_packet_handler(uint8_t packet_type, uint16_t channel, ui break; } + index = a2dp_source_demo_index_for_a2dp_cid(cid); + if (index < 0) break; + printf("A2DP Source: Stream reconfigured a2dp_cid 0x%02x, local_seid 0x%02x\n", cid, local_seid); a2dp_demo_hexcmod_configure_sample_rate(new_sample_rate); - status = a2dp_source_start_stream(media_tracker.a2dp_cid, media_tracker.local_seid); + status = a2dp_source_start_stream(a2dp_sinks[index].a2dp_cid, a2dp_sinks[index].local_seid); break; case A2DP_SUBEVENT_STREAM_STARTED: local_seid = a2dp_subevent_stream_started_get_local_seid(packet); cid = a2dp_subevent_stream_started_get_a2dp_cid(packet); - play_info.status = AVRCP_PLAYBACK_STATUS_PLAYING; - if (media_tracker.avrcp_cid){ - avrcp_target_set_now_playing_info(media_tracker.avrcp_cid, &tracks[data_source], sizeof(tracks)/sizeof(avrcp_track_t)); - avrcp_target_set_playback_status(media_tracker.avrcp_cid, AVRCP_PLAYBACK_STATUS_PLAYING); - } + index = a2dp_source_demo_index_for_a2dp_cid(cid); + if (index < 0) break; + + a2dp_sinks[index].stream_active = true; a2dp_demo_timer_start(&media_tracker); - printf("A2DP Source: Stream started, a2dp_cid 0x%02x, local_seid 0x%02x\n", cid, local_seid); + printf("A2DP Source: Stream started connection %u, a2dp_cid 0x%02x, local_seid 0x%02x\n", index, cid, local_seid); break; case A2DP_SUBEVENT_STREAMING_CAN_SEND_MEDIA_PACKET_NOW: - local_seid = a2dp_subevent_streaming_can_send_media_packet_now_get_local_seid(packet); cid = a2dp_subevent_signaling_media_codec_sbc_configuration_get_a2dp_cid(packet); - a2dp_demo_send_media_packet(); + local_seid = a2dp_subevent_streaming_can_send_media_packet_now_get_local_seid(packet); + a2dp_demo_send_media_packet(cid, local_seid); break; case A2DP_SUBEVENT_STREAM_SUSPENDED: local_seid = a2dp_subevent_stream_suspended_get_local_seid(packet); cid = a2dp_subevent_stream_suspended_get_a2dp_cid(packet); - - play_info.status = AVRCP_PLAYBACK_STATUS_PAUSED; - if (media_tracker.avrcp_cid){ - avrcp_target_set_playback_status(media_tracker.avrcp_cid, AVRCP_PLAYBACK_STATUS_PAUSED); - } - printf("A2DP Source: Stream paused, a2dp_cid 0x%02x, local_seid 0x%02x\n", cid, local_seid); - - a2dp_demo_timer_stop(&media_tracker); + + index = a2dp_source_demo_index_for_a2dp_cid(cid); + if (index < 0) break; + + printf("A2DP Source: Stream paused connection %u, a2dp_cid 0x%02x, local_seid 0x%02x\n", index, cid, local_seid); + a2dp_source_demo_stream_stopped(index); break; case A2DP_SUBEVENT_STREAM_RELEASED: - play_info.status = AVRCP_PLAYBACK_STATUS_STOPPED; cid = a2dp_subevent_stream_released_get_a2dp_cid(packet); - local_seid = a2dp_subevent_stream_released_get_local_seid(packet); - - printf("A2DP Source: Stream released, a2dp_cid 0x%02x, local_seid 0x%02x\n", cid, local_seid); + index = a2dp_source_demo_index_for_a2dp_cid(cid); + if (index < 0) break; - if (cid == media_tracker.a2dp_cid) { - media_tracker.stream_opened = 0; - printf("A2DP Source: Stream released.\n"); - } - if (media_tracker.avrcp_cid){ - avrcp_target_set_now_playing_info(media_tracker.avrcp_cid, NULL, sizeof(tracks)/sizeof(avrcp_track_t)); - avrcp_target_set_playback_status(media_tracker.avrcp_cid, AVRCP_PLAYBACK_STATUS_STOPPED); - } - a2dp_demo_timer_stop(&media_tracker); + printf("A2DP Source: Stream released connection %u, a2dp_cid 0x%02x\n", index, cid); + a2dp_source_demo_stream_stopped(index); break; + case A2DP_SUBEVENT_SIGNALING_CONNECTION_RELEASED: cid = a2dp_subevent_signaling_connection_released_get_a2dp_cid(packet); - if (cid == media_tracker.a2dp_cid) { - media_tracker.avrcp_cid = 0; - media_tracker.a2dp_cid = 0; - printf("A2DP Source: Signaling released.\n\n"); - } + index = a2dp_source_demo_index_for_a2dp_cid(cid); + if (index < 0) break; + + printf("A2DP Source: Signaling released connection %u, a2dp_cid 0x%02x\n", index, cid); + a2dp_source_demo_stream_stopped(index); + a2dp_sinks[index].a2dp_cid = 0; break; default: break; @@ -746,44 +801,43 @@ static void a2dp_source_packet_handler(uint8_t packet_type, uint16_t channel, ui static void avrcp_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ UNUSED(channel); UNUSED(size); - bd_addr_t event_addr; - uint16_t local_cid; + bd_addr_t addr; + uint16_t avrcp_cid; uint8_t status = ERROR_CODE_SUCCESS; + int8_t index; if (packet_type != HCI_EVENT_PACKET) return; if (hci_event_packet_get_type(packet) != HCI_EVENT_AVRCP_META) return; switch (packet[2]){ - case AVRCP_SUBEVENT_CONNECTION_ESTABLISHED: - local_cid = avrcp_subevent_connection_established_get_avrcp_cid(packet); + case AVRCP_SUBEVENT_CONNECTION_ESTABLISHED: + avrcp_subevent_connection_established_get_bd_addr(packet, addr); + index = a2dp_source_demo_index_for_bd_addr(addr); + if (index < 0) break; + + avrcp_cid = avrcp_subevent_connection_established_get_avrcp_cid(packet); status = avrcp_subevent_connection_established_get_status(packet); if (status != ERROR_CODE_SUCCESS){ - printf("AVRCP: Connection failed, local cid 0x%02x, status 0x%02x\n", local_cid, status); - return; + printf("AVRCP: Connection failed connection %u, local cid 0x%02x, status 0x%02x\n", index, avrcp_cid, status); + a2dp_sinks[index].avrcp_cid = 0; + break; } - media_tracker.avrcp_cid = local_cid; - avrcp_subevent_connection_established_get_bd_addr(packet, event_addr); - - avrcp_target_set_now_playing_info(media_tracker.avrcp_cid, NULL, sizeof(tracks)/sizeof(avrcp_track_t)); - avrcp_target_set_unit_info(media_tracker.avrcp_cid, AVRCP_SUBUNIT_TYPE_AUDIO, company_id); - avrcp_target_set_subunit_info(media_tracker.avrcp_cid, AVRCP_SUBUNIT_TYPE_AUDIO, (uint8_t *)subunit_info, sizeof(subunit_info)); - - avrcp_controller_get_supported_events(media_tracker.avrcp_cid); - - printf("AVRCP: Channel successfully opened: media_tracker.avrcp_cid 0x%02x\n", media_tracker.avrcp_cid); - return; + a2dp_sinks[index].avrcp_cid = avrcp_cid; + avrcp_controller_get_supported_events(avrcp_cid); + printf("AVRCP: Channel successfully opened connection %u: avrcp_cid 0x%02x\n", index, avrcp_cid); + break; case AVRCP_SUBEVENT_CONNECTION_RELEASED: - printf("AVRCP Target: Disconnected, avrcp_cid 0x%02x\n", avrcp_subevent_connection_released_get_avrcp_cid(packet)); - media_tracker.avrcp_cid = 0; - return; + avrcp_cid = avrcp_subevent_connection_released_get_avrcp_cid(packet); + index = a2dp_source_demo_index_for_avrcp_cid(avrcp_cid); + if (index < 0) break; + + printf("AVRCP: Disconnected connection %u, avrcp_cid 0x%02x\n", index, avrcp_subevent_connection_released_get_avrcp_cid(packet)); + a2dp_sinks[index].avrcp_cid = 0; + break; default: break; } - - if (status != ERROR_CODE_SUCCESS){ - printf("Responding to event 0x%02x failed with status 0x%02x\n", packet[2], status); - } } static void avrcp_target_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ @@ -797,47 +851,18 @@ static void avrcp_target_packet_handler(uint8_t packet_type, uint16_t channel, u bool button_pressed; char const * button_state; avrcp_operation_id_t operation_id; + uint8_t volume; switch (packet[2]){ case AVRCP_SUBEVENT_NOTIFICATION_VOLUME_CHANGED: - media_tracker.volume = avrcp_subevent_notification_volume_changed_get_absolute_volume(packet); - printf("AVRCP Target: Volume set to %d%% (%d)\n", media_tracker.volume * 127/100, media_tracker.volume); + volume = avrcp_subevent_notification_volume_changed_get_absolute_volume(packet); + printf("AVRCP Target: Volume set to %d%% (%d)\n", volume * 127/100, volume); break; - case AVRCP_SUBEVENT_EVENT_IDS_QUERY: - status = avrcp_target_supported_events(media_tracker.avrcp_cid, events_num, events, sizeof(events)); - break; - case AVRCP_SUBEVENT_COMPANY_IDS_QUERY: - status = avrcp_target_supported_companies(media_tracker.avrcp_cid, companies_num, companies, sizeof(companies)); - break; - case AVRCP_SUBEVENT_PLAY_STATUS_QUERY: - status = avrcp_target_play_status(media_tracker.avrcp_cid, play_info.song_length_ms, play_info.song_position_ms, play_info.status); - break; - // case AVRCP_SUBEVENT_NOW_PLAYING_INFO_QUERY: - // status = avrcp_target_now_playing_info(avrcp_cid); - // break; case AVRCP_SUBEVENT_OPERATION: operation_id = avrcp_subevent_operation_get_operation_id(packet); button_pressed = avrcp_subevent_operation_get_button_pressed(packet) > 0; button_state = button_pressed ? "PRESS" : "RELEASE"; - printf("AVRCP Target: operation %s (%s)\n", avrcp_operation2str(operation_id), button_state); - - if (!button_pressed){ - break; - } - switch (operation_id) { - case AVRCP_OPERATION_ID_PLAY: - status = a2dp_source_start_stream(media_tracker.a2dp_cid, media_tracker.local_seid); - break; - case AVRCP_OPERATION_ID_PAUSE: - status = a2dp_source_pause_stream(media_tracker.a2dp_cid, media_tracker.local_seid); - break; - case AVRCP_OPERATION_ID_STOP: - status = a2dp_source_disconnect(media_tracker.a2dp_cid); - break; - default: - break; - } break; default: break; @@ -851,13 +876,13 @@ static void avrcp_target_packet_handler(uint8_t packet_type, uint16_t channel, u static void avrcp_controller_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ UNUSED(channel); UNUSED(size); - uint8_t status = 0xFF; - + uint8_t status = 0xFF; + uint8_t avrcp_cid; + if (packet_type != HCI_EVENT_PACKET) return; if (hci_event_packet_get_type(packet) != HCI_EVENT_AVRCP_META) return; status = packet[5]; - if (!media_tracker.avrcp_cid) return; // ignore INTERIM status if (status == AVRCP_CTYPE_RESPONSE_INTERIM) return; @@ -871,7 +896,8 @@ static void avrcp_controller_packet_handler(uint8_t packet_type, uint16_t channe break; case AVRCP_SUBEVENT_GET_CAPABILITY_EVENT_ID_DONE: printf("automatically enable notifications\n"); - avrcp_controller_enable_notification(media_tracker.avrcp_cid, AVRCP_NOTIFICATION_EVENT_VOLUME_CHANGED); + avrcp_cid = avrcp_subevent_get_capability_event_id_done_get_avrcp_cid(packet); + avrcp_controller_enable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_VOLUME_CHANGED); break; default: break; @@ -881,48 +907,55 @@ static void avrcp_controller_packet_handler(uint8_t packet_type, uint16_t channe #ifdef HAVE_BTSTACK_STDIN static void show_usage(void){ bd_addr_t iut_address; + uint8_t index; gap_local_bd_addr(iut_address); - printf("\n--- Bluetooth A2DP Source/AVRCP Demo %s ---\n", bd_addr_to_str(iut_address)); - printf("b - A2DP Source create connection to addr %s\n", device_addr_string); - printf("B - A2DP Source disconnect\n"); - printf("c - AVRCP create connection to addr %s\n", device_addr_string); - printf("C - AVRCP disconnect\n"); - printf("D - delete all link keys\n"); - - printf("x - start streaming sine\n"); - if (hxcmod_initialized){ - printf("z - start streaming '%s'\n", mod_name); + printf("\n--- Bluetooth A2DP Multi Source Demo on %s ---\n", bd_addr_to_str(iut_address)); + for (index=0; index < NUM_SINKS; index++){ + if (a2dp_sinks[index].a2dp_cid != 0){ + printf("Connection %u - %s, a2dp_cid 0x%04x, active %u\n", index, bd_addr_to_str(a2dp_sinks[index].addr), a2dp_sinks[index].a2dp_cid, (int) a2dp_sinks[index].stream_active); + } + } + for (index=0; index < NUM_DEVICE_INFOS; index++){ + printf("%c - A2DP Source connect to %20s - %s\n", '1' + index, device_infos[index].name, device_infos[index].addr_string); + } + printf("D - delete all link keys\n"); + for (index=0; index < NUM_SINKS; index++){ + if (a2dp_sinks[index].a2dp_cid != 0){ + printf("%c - A2DP Source disconnect connection %u - %s\n", '1' + index, index, bd_addr_to_str(a2dp_sinks[index].addr)); + } } - printf("p - pause streaming\n"); - printf("w - reconfigure stream for 44100 Hz\n"); - printf("e - reconfigure stream for 48000 Hz\n"); - printf("t - volume up\n"); - printf("T - volume down\n"); - printf("v - volume up (via set absolute volume)\n"); - printf("V - volume down (via set absolute volume)\n"); - printf("---\n"); } static void stdin_process(char cmd){ uint8_t status = ERROR_CODE_SUCCESS; + // connect + if (cmd >= '1'){ + uint8_t device_id = cmd - '1'; + if (device_id < NUM_DEVICE_INFOS){ + // TODO: check that there isn't already a connection + int sink_id = a2dp_source_demo_index_for_a2dp_cid(0); + if (sink_id < 0){ + printf("Cannot create connection, already %u connections active\n", NUM_SINKS); + return; + } + sscanf_bd_addr(device_infos[device_id].addr_string, a2dp_sinks[sink_id].addr); + status = a2dp_source_establish_stream(a2dp_sinks[sink_id].addr, &a2dp_sinks[sink_id].a2dp_cid); + printf("%c - Create A2DP Source connection to %s (%s), cid 0x%02x.\n", cmd, device_infos[device_id].name, device_infos[device_id].addr_string, a2dp_sinks[sink_id].a2dp_cid); + if (status != ERROR_CODE_SUCCESS){ + printf("Connect failed, status 0x%02x\n", status); + } + return; + } + } + if (cmd >= 'A'){ + uint8_t sink_id = cmd - 'A'; + if ((sink_id < NUM_SINKS) && (a2dp_sinks[sink_id].a2dp_cid != 0)){ + // TODO: disconnect + return; + } + } switch (cmd){ - case 'b': - status = a2dp_source_establish_stream(device_addr, &media_tracker.a2dp_cid); - printf("%c - Create A2DP Source connection to addr %s, cid 0x%02x.\n", cmd, bd_addr_to_str(device_addr), media_tracker.a2dp_cid); - break; - case 'B': - printf("%c - A2DP Source Disconnect from cid 0x%2x\n", cmd, media_tracker.a2dp_cid); - status = a2dp_source_disconnect(media_tracker.a2dp_cid); - break; - case 'c': - printf("%c - Create AVRCP connection to addr %s.\n", cmd, bd_addr_to_str(device_addr)); - status = avrcp_connect(device_addr, &media_tracker.avrcp_cid); - break; - case 'C': - printf("%c - AVRCP disconnect\n", cmd); - status = avrcp_disconnect(media_tracker.avrcp_cid); - break; case 'D': printf("Deleting all link keys\n"); gap_delete_all_link_keys(); @@ -930,97 +963,10 @@ static void stdin_process(char cmd){ case '\n': case '\r': break; - - case 't': - printf(" - volume up\n"); - status = avrcp_controller_volume_up(media_tracker.avrcp_cid); - break; - case 'T': - printf(" - volume down\n"); - status = avrcp_controller_volume_down(media_tracker.avrcp_cid); - break; - - case 'v': - if (media_tracker.volume > 117){ - media_tracker.volume = 127; - } else { - media_tracker.volume += 10; - } - printf(" - volume up (via set absolute volume) %d%% (%d)\n", media_tracker.volume * 127/100, media_tracker.volume); - status = avrcp_controller_set_absolute_volume(media_tracker.avrcp_cid, media_tracker.volume); - break; - case 'V': - if (media_tracker.volume < 10){ - media_tracker.volume = 0; - } else { - media_tracker.volume -= 10; - } - printf(" - volume down (via set absolute volume) %d%% (%d)\n", media_tracker.volume * 127/100, media_tracker.volume); - status = avrcp_controller_set_absolute_volume(media_tracker.avrcp_cid, media_tracker.volume); - break; - - case 'x': - if (media_tracker.avrcp_cid){ - avrcp_target_set_now_playing_info(media_tracker.avrcp_cid, &tracks[data_source], sizeof(tracks)/sizeof(avrcp_track_t)); - } - printf("%c - Play sine.\n", cmd); - data_source = STREAM_SINE; - if (!media_tracker.stream_opened) break; - status = a2dp_source_start_stream(media_tracker.a2dp_cid, media_tracker.local_seid); - break; - case 'z': - if (media_tracker.avrcp_cid){ - avrcp_target_set_now_playing_info(media_tracker.avrcp_cid, &tracks[data_source], sizeof(tracks)/sizeof(avrcp_track_t)); - } - printf("%c - Play mod.\n", cmd); - data_source = STREAM_MOD; - if (!media_tracker.stream_opened) break; - status = a2dp_source_start_stream(media_tracker.a2dp_cid, media_tracker.local_seid); - break; - - case 'p': - if (!media_tracker.stream_opened) break; - printf("%c - Pause stream.\n", cmd); - status = a2dp_source_pause_stream(media_tracker.a2dp_cid, media_tracker.local_seid); - break; - - case 'w': - if (!media_tracker.stream_opened) break; - if (play_info.status == AVRCP_PLAYBACK_STATUS_PLAYING){ - printf("Stream cannot be reconfigured while playing, please pause stream first\n"); - break; - } - new_sample_rate = 44100; - if (current_sample_rate == new_sample_rate){ - printf("%c - Stream already configured for %d Hz.\n", cmd, new_sample_rate); - } else { - printf("%c - Reconfigure for %d Hz.\n", cmd, new_sample_rate); - status = a2dp_source_reconfigure_stream_sampling_frequency(media_tracker.a2dp_cid, new_sample_rate); - } - break; - - case 'e': - if (!media_tracker.stream_opened) break; - if (play_info.status == AVRCP_PLAYBACK_STATUS_PLAYING){ - printf("Stream cannot be reconfigured while playing, please pause stream first\n"); - break; - } - new_sample_rate = 48000; - if (current_sample_rate == new_sample_rate){ - printf("%c - Stream already configured for %d Hz.\n", cmd, new_sample_rate); - } else { - printf("%c - Reconfigure for %d Hz.\n", cmd, new_sample_rate); - status = a2dp_source_reconfigure_stream_sampling_frequency(media_tracker.a2dp_cid, new_sample_rate); - } - break; - default: show_usage(); return; } - if (status != ERROR_CODE_SUCCESS){ - printf("Could not perform command \'%c\', status 0x%02x\n", cmd, status); - } } #endif