diff --git a/example/a2dp_mitm_demo.c b/example/a2dp_mitm_demo.c index fdfd638de..1ef60cbb1 100644 --- a/example/a2dp_mitm_demo.c +++ b/example/a2dp_mitm_demo.c @@ -64,6 +64,7 @@ #include "btstack_stdin.h" #endif +#define NUM_SBC_FRAMES_PER_PACKET 6 #define MAX_SBC_FRAME_SIZE 120 #define MAX_NUM_SBC_FRAMES 100 #define PREBUFFER_BYTES 10000 @@ -72,93 +73,62 @@ #define SBC_STORAGE_SIZE 1030 -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; - -typedef struct { - uint16_t source_cid; - uint8_t source_local_seid; - - // uint16_t sink_cid; - // uint8_t sink_local_seid; - - uint32_t time_audio_data_sent; // ms - uint32_t acc_num_missed_samples; - uint32_t samples_ready; - btstack_timer_source_t fill_audio_buffer_timer; - uint8_t streaming; - - int max_media_payload_size; - - uint8_t sbc_storage[1030]; - uint8_t sbc_ready_to_send; -} a2dp_media_sending_context_t; - -typedef enum { - AVDTP_SINK_APPLICATION_IDLE, - AVDTP_SINK_APPLICATION_CONNECTED, - AVDTP_SINK_APPLICATION_STREAMING -} avdtp_sink_application_state_t; +// configuration +// iPhone SE static const char * smartphone_addr_string = "BC:EC:5D:E6:15:03"; -static const char * headset_addr_string = "00:21:3C:AC:F7:38"; +// Jawbone static const char * headset_addr_string = "00:21:3C:AC:F7:38"; +// Sony MDR330 +static const char * headset_addr_string = "00:18:09:28:50:18"; -#ifdef HAVE_BTSTACK_STDIN +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, + 2, 53 +}; + +// gap +static btstack_packet_callback_registration_t hci_event_callback_registration; static bd_addr_t smartphone_addr; static bd_addr_t headset_addr; -#endif -// audio through -static uint16_t num_sbc_frames_in_ring_buffer; -static btstack_ring_buffer_t ring_buffer; -static uint8_t ring_buffer_storage[MAX_NUM_SBC_FRAMES * MAX_SBC_FRAME_SIZE]; -static int forward_active; - -// generic -static btstack_packet_callback_registration_t hci_event_callback_registration; - -// sdp +// sdp records static uint8_t sdp_avdtp_sink_service_buffer[150]; static uint8_t sdp_avdtp_source_service_buffer[150]; -static uint8_t sbc_frame_size; -static avdtp_sep_t sep; -static avdtp_media_codec_configuration_sbc_t sbc_configuration; -static int media_initialized = 0; +// stored sbc audio frames +static btstack_ring_buffer_t ring_buffer; +static uint8_t ring_buffer_storage[MAX_NUM_SBC_FRAMES * MAX_SBC_FRAME_SIZE]; -static uint16_t a2dp_sink_cid = 0; -static uint16_t a2dp_source_cid = 0; +// prepare sbc packet +static uint8_t sbc_storage[1030]; -static avdtp_sink_application_state_t app_sink_state = AVDTP_SINK_APPLICATION_IDLE; +// application context +typedef struct { + uint16_t a2dp_sink_cid; + uint8_t a2dp_sink_local_seid; -static void handle_l2cap_media_data_packet(uint8_t seid, uint8_t *packet, uint16_t size); + uint16_t a2dp_source_cid; + uint8_t a2dp_source_local_seid; -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, - 2, 53 -}; + uint16_t sbc_frame_size; + uint16_t num_sbc_frames_in_ring_buffer; + + bool headset_stream_ready; + bool forward_active; + bool sbc_ready_to_send; + + uint32_t time_audio_data_sent; // ms + uint32_t acc_num_missed_samples; + uint32_t samples_ready; + + btstack_timer_source_t fill_audio_buffer_timer; + + int max_media_payload_size; + +} mitm_context_t; + +static mitm_context_t mitm_context; #ifdef HAVE_BTSTACK_STDIN static uint8_t media_sbc_codec_configuration[] = { @@ -167,43 +137,30 @@ static uint8_t media_sbc_codec_configuration[] = { 2, 53 }; -// avdtp source -static uint8_t a2dp_source_local_seid = 0; -static uint8_t a2dp_sink_local_seid = 0; -static a2dp_media_sending_context_t media_tracker; -static int headset_stream_ready; +// code start +static void handle_l2cap_media_data_packet(uint8_t seid, uint8_t *packet, uint16_t size); -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 dump_sbc_configuration(const uint8_t * packet){ + printf(" - num_channels: %d\n", a2dp_subevent_signaling_media_codec_sbc_configuration_get_num_channels(packet)); + printf(" - sampling_frequency: %d\n", a2dp_subevent_signaling_media_codec_sbc_configuration_get_sampling_frequency(packet)); + printf(" - channel_mode: %d\n", a2dp_subevent_signaling_media_codec_sbc_configuration_get_channel_mode(packet)); + printf(" - block_length: %d\n", a2dp_subevent_signaling_media_codec_sbc_configuration_get_block_length(packet)); + printf(" - subbands: %d\n", a2dp_subevent_signaling_media_codec_sbc_configuration_get_subbands(packet)); + printf(" - allocation_method: %d\n", a2dp_subevent_signaling_media_codec_sbc_configuration_get_allocation_method(packet)); + printf(" - bitpool_value [%d, %d] \n", a2dp_subevent_signaling_media_codec_sbc_configuration_get_min_bitpool_value(packet), + a2dp_subevent_signaling_media_codec_sbc_configuration_get_max_bitpool_value(packet)); } - -// avdtp sink -static int media_processing_init(avdtp_media_codec_configuration_sbc_t configuration){ - UNUSED(configuration); - +static int ring_buffer_init(void){ memset(ring_buffer_storage, 0, sizeof(ring_buffer_storage)); btstack_ring_buffer_init(&ring_buffer, ring_buffer_storage, sizeof(ring_buffer_storage)); - num_sbc_frames_in_ring_buffer = 0; - media_initialized = 1; + mitm_context.num_sbc_frames_in_ring_buffer = 0; return 0; } -static void media_processing_close(void){ - if (!media_initialized) return; - media_initialized = 0; -} - static void a2dp_fill_audio_buffer_timeout_handler(btstack_timer_source_t * timer){ - a2dp_media_sending_context_t * context = (a2dp_media_sending_context_t *) btstack_run_loop_get_timer_context(timer); + mitm_context_t * context = (mitm_context_t *) btstack_run_loop_get_timer_context(timer); btstack_run_loop_set_timer(&context->fill_audio_buffer_timer, FILL_AUDIO_BUFFER_TIMEOUT_MS); btstack_run_loop_add_timer(&context->fill_audio_buffer_timer); uint32_t now = btstack_run_loop_get_time_ms(); @@ -228,11 +185,11 @@ static void a2dp_fill_audio_buffer_timeout_handler(btstack_timer_source_t * time // do we have enough samples to send? // calculate num sbc frames per outgoing packet - uint16_t payload_max_size = a2dp_max_media_payload_size(context->source_cid, context->source_local_seid); + uint16_t payload_max_size = a2dp_max_media_payload_size(context->a2dp_source_cid, context->a2dp_source_local_seid); // a2dp_max_media_payload_size(media_tracker.source_local_seid); - int sbc_frames_per_packet = payload_max_size / sbc_frame_size; + int sbc_frames_per_packet = payload_max_size / mitm_context.sbc_frame_size; // calculate num frames "ready" - using hard-coded int num_samples_per_frame = 128; @@ -242,17 +199,16 @@ static void a2dp_fill_audio_buffer_timeout_handler(btstack_timer_source_t * time if (sbc_frames_ready >= sbc_frames_per_packet){ // schedule sending - context->sbc_ready_to_send = 1; - a2dp_source_stream_endpoint_request_can_send_now(context->source_cid, context->source_local_seid); + context->sbc_ready_to_send = true; + a2dp_source_stream_endpoint_request_can_send_now(context->a2dp_source_cid, context->a2dp_source_local_seid); } } -static void a2dp_fill_audio_buffer_timer_start(a2dp_media_sending_context_t * context){ +static void a2dp_fill_audio_buffer_timer_start(mitm_context_t * context){ // context->max_media_payload_size = a2dp_max_media_payload_size(context->source_local_seid); - context->max_media_payload_size = btstack_min(a2dp_max_media_payload_size(context->source_cid, context->source_local_seid), SBC_STORAGE_SIZE); + context->max_media_payload_size = btstack_min(a2dp_max_media_payload_size(context->a2dp_source_cid, context->a2dp_source_local_seid), SBC_STORAGE_SIZE); - context->sbc_ready_to_send = 0; - context->streaming = 1; + context->sbc_ready_to_send = false; btstack_run_loop_remove_timer(&context->fill_audio_buffer_timer); btstack_run_loop_set_timer_handler(&context->fill_audio_buffer_timer, a2dp_fill_audio_buffer_timeout_handler); btstack_run_loop_set_timer_context(&context->fill_audio_buffer_timer, context); @@ -260,26 +216,18 @@ static void a2dp_fill_audio_buffer_timer_start(a2dp_media_sending_context_t * co btstack_run_loop_add_timer(&context->fill_audio_buffer_timer); } -static void a2dp_fill_audio_buffer_timer_stop(a2dp_media_sending_context_t * context){ +static void a2dp_fill_audio_buffer_timer_stop(mitm_context_t * context){ context->time_audio_data_sent = 0; context->acc_num_missed_samples = 0; context->samples_ready = 0; - context->streaming = 1; - context->sbc_ready_to_send = 0; + context->sbc_ready_to_send = false; btstack_run_loop_remove_timer(&context->fill_audio_buffer_timer); } -#if 0 -static void a2dp_fill_audio_buffer_timer_pause(a2dp_media_sending_context_t * context){ - // context->time_audio_data_sent = 0; - btstack_run_loop_remove_timer(&context->fill_audio_buffer_timer); -} -#endif - static void handle_l2cap_media_data_packet(uint8_t seid, uint8_t *packet, uint16_t size){ UNUSED(seid); // if no sink, drop data - if (!headset_stream_ready) { + if (!mitm_context.headset_stream_ready) { printf("DEMO: Audio from smartphone, but headset not ready -> dropping\n"); return; } @@ -334,14 +282,14 @@ static void handle_l2cap_media_data_packet(uint8_t seid, uint8_t *packet, uint16 uint16_t num_frames = sbc_header.num_frames; // sbc frame size - sbc_frame_size = (size-pos)/ sbc_header.num_frames; + mitm_context.sbc_frame_size = (size - pos) / sbc_header.num_frames; // log_info("IN: Ringbuffer: %u bytes free", btstack_ring_buffer_bytes_free(&ring_buffer)); // store individual framees: { len_16, frame } int i; for (i=0;i PREBUFFER_BYTES){ - forward_active = 1; - a2dp_fill_audio_buffer_timer_start(&media_tracker); + if (!mitm_context.forward_active && btstack_ring_buffer_bytes_available(&ring_buffer) > PREBUFFER_BYTES){ + mitm_context.forward_active = true; + a2dp_fill_audio_buffer_timer_start(&mitm_context); } } @@ -400,29 +348,16 @@ static void a2dp_sink_packet_handler(uint8_t packet_type, uint16_t channel, uint printf("A2DP Sink: Connection failed with status 0x%02x\n", status); break; } - a2dp_sink_cid = a2dp_subevent_signaling_connection_established_get_a2dp_cid(packet); - printf("A2DP Sink: Connected to device with addr %s, a2dp cid 0x%02x.\n", bd_addr_to_str(event_addr), a2dp_sink_cid); + mitm_context.a2dp_sink_cid = a2dp_subevent_signaling_connection_established_get_a2dp_cid(packet); + printf("A2DP Sink: Connected to device with addr %s, a2dp cid 0x%02x.\n", bd_addr_to_str(event_addr), mitm_context.a2dp_sink_cid); break; case A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CONFIGURATION:{ printf("A2DP Sink: received SBC codec configuration.\n"); - 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); - sbc_configuration.sampling_frequency = a2dp_subevent_signaling_media_codec_sbc_configuration_get_sampling_frequency(packet); - sbc_configuration.channel_mode = a2dp_subevent_signaling_media_codec_sbc_configuration_get_channel_mode(packet); - sbc_configuration.block_length = a2dp_subevent_signaling_media_codec_sbc_configuration_get_block_length(packet); - sbc_configuration.subbands = a2dp_subevent_signaling_media_codec_sbc_configuration_get_subbands(packet); - sbc_configuration.allocation_method = a2dp_subevent_signaling_media_codec_sbc_configuration_get_allocation_method(packet); - sbc_configuration.min_bitpool_value = a2dp_subevent_signaling_media_codec_sbc_configuration_get_min_bitpool_value(packet); - sbc_configuration.max_bitpool_value = a2dp_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); + dump_sbc_configuration(packet); - if (sbc_configuration.reconfigure){ - media_processing_close(); - } - // prepare media processing - media_processing_init(sbc_configuration); + // init ring buffer to store sbc frames + ring_buffer_init(); break; } case A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_OTHER_CONFIGURATION: @@ -430,20 +365,18 @@ static void a2dp_sink_packet_handler(uint8_t packet_type, uint16_t channel, uint break; case A2DP_SUBEVENT_STREAM_ESTABLISHED: - app_sink_state = AVDTP_SINK_APPLICATION_STREAMING; - a2dp_sink_local_seid = a2dp_subevent_stream_established_get_local_seid(packet); - a2dp_sink_cid = a2dp_subevent_stream_established_get_a2dp_cid(packet); + mitm_context.a2dp_sink_local_seid = a2dp_subevent_stream_established_get_local_seid(packet); + mitm_context.a2dp_sink_cid = a2dp_subevent_stream_established_get_a2dp_cid(packet); printf("A2DP Sink: stream established a2dp_cid 0x%02x, local seid %d, remote seid %d\n", - a2dp_sink_cid, a2dp_sink_local_seid, a2dp_subevent_stream_established_get_remote_seid(packet)); + mitm_context.a2dp_sink_cid, mitm_context.a2dp_sink_local_seid, a2dp_subevent_stream_established_get_remote_seid(packet)); break; case A2DP_SUBEVENT_STREAM_RELEASED: printf("A2DP Sink: stream released\n"); - media_processing_close(); break; case A2DP_SUBEVENT_SIGNALING_CONNECTION_RELEASED: - a2dp_sink_cid = 0; + mitm_context.a2dp_sink_cid = 0; printf("A2DP Sink: signaling connection released\n"); break; default: @@ -470,39 +403,25 @@ static void a2dp_source_packet_handler(uint8_t packet_type, uint16_t channel, ui printf("A2DP Sink: Connection failed with status 0x%02x\n", status); break; } - a2dp_source_cid = a2dp_subevent_signaling_connection_established_get_a2dp_cid(packet); - printf("A2DP Source: Connected to device with addr %s, a2dp cid 0x%02x.\n", bd_addr_to_str(event_addr), a2dp_source_cid); + mitm_context.a2dp_source_cid = a2dp_subevent_signaling_connection_established_get_a2dp_cid(packet); + printf("A2DP Source: Connected to device with addr %s, a2dp_cid 0x%02x.\n", bd_addr_to_str(event_addr), mitm_context.a2dp_source_cid); break; case A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CONFIGURATION:{ printf("A2DP Source: Received SBC codec configuration.\n"); - 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); - sbc_configuration.sampling_frequency = a2dp_subevent_signaling_media_codec_sbc_configuration_get_sampling_frequency(packet); - sbc_configuration.channel_mode = a2dp_subevent_signaling_media_codec_sbc_configuration_get_channel_mode(packet); - sbc_configuration.block_length = a2dp_subevent_signaling_media_codec_sbc_configuration_get_block_length(packet); - sbc_configuration.subbands = a2dp_subevent_signaling_media_codec_sbc_configuration_get_subbands(packet); - sbc_configuration.allocation_method = a2dp_subevent_signaling_media_codec_sbc_configuration_get_allocation_method(packet); - sbc_configuration.min_bitpool_value = a2dp_subevent_signaling_media_codec_sbc_configuration_get_min_bitpool_value(packet); - sbc_configuration.max_bitpool_value = a2dp_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(packet); break; } case A2DP_SUBEVENT_STREAM_ESTABLISHED: - media_tracker.source_local_seid = a2dp_subevent_stream_established_get_local_seid(packet); - media_tracker.source_cid = a2dp_subevent_stream_established_get_a2dp_cid(packet); - - printf("A2DP Source: stream established a2dp_cid 0x%02x, local seid %d, remote seid %d\n", - media_tracker.source_cid, media_tracker.source_local_seid, a2dp_subevent_stream_established_get_remote_seid(packet)); - + printf("A2DP Source: stream established a2dp_cid 0x%02x, local seid %d, remote seid %d\n", + mitm_context.a2dp_source_cid, mitm_context.a2dp_source_local_seid, a2dp_subevent_stream_established_get_remote_seid(packet)); printf("A2DP Source: start stream to headset\n"); - - a2dp_source_start_stream(media_tracker.source_cid, media_tracker.source_local_seid); + a2dp_source_start_stream(mitm_context.a2dp_source_cid, mitm_context.a2dp_source_local_seid); break; case A2DP_SUBEVENT_STREAM_STARTED: - headset_stream_ready = 1; + mitm_context.headset_stream_ready = 1; printf("A2DP Source: headset stream ready\n"); break; @@ -514,24 +433,24 @@ static void a2dp_source_packet_handler(uint8_t packet_type, uint16_t channel, ui int pos = 0; // calculate max num sbc frames for outgoing earlier - uint16_t payload_max_size = a2dp_max_media_payload_size(media_tracker.source_cid, media_tracker.source_local_seid); - int max_sbc_frames = payload_max_size / sbc_frame_size; + uint16_t payload_max_size = a2dp_max_media_payload_size(mitm_context.a2dp_source_cid, mitm_context.a2dp_source_local_seid); + int max_sbc_frames = payload_max_size / mitm_context.sbc_frame_size; - for (num_frames = 0 ; num_frames < max_sbc_frames && num_sbc_frames_in_ring_buffer > 0; num_frames++){ + for (num_frames = 0 ; num_frames < max_sbc_frames && mitm_context.num_sbc_frames_in_ring_buffer > 0; num_frames++){ btstack_ring_buffer_read(&ring_buffer, (uint8_t*) &len, 2, &bytes_read); // log_info("RING: read frame of size %u", len); - btstack_ring_buffer_read(&ring_buffer, &media_tracker.sbc_storage[pos], len, &bytes_read); + btstack_ring_buffer_read(&ring_buffer, &sbc_storage[pos], len, &bytes_read); pos += len; - num_sbc_frames_in_ring_buffer--; + mitm_context.num_sbc_frames_in_ring_buffer--; } - a2dp_source_stream_send_media_payload(media_tracker.source_cid, media_tracker.source_local_seid, media_tracker.sbc_storage, pos, num_frames, 0); - - media_tracker.sbc_ready_to_send = 0; + a2dp_source_stream_send_media_payload(mitm_context.a2dp_source_cid, mitm_context.a2dp_source_local_seid, sbc_storage, pos, num_frames, 0); + + mitm_context.sbc_ready_to_send = false; int num_samples_per_frame = 128; int samples_consumed = num_frames * num_samples_per_frame; - media_tracker.samples_ready -= samples_consumed; + mitm_context.samples_ready -= samples_consumed; // printf("DEMO: audio packet sent, ring buffer %u\n", btstack_ring_buffer_bytes_available(&ring_buffer)); @@ -539,26 +458,23 @@ static void a2dp_source_packet_handler(uint8_t packet_type, uint16_t channel, ui if (btstack_ring_buffer_bytes_available(&ring_buffer) == 0){ log_info("Stream dried out. stop"); printf("Stream dried out. restart\n"); - forward_active = 0; - a2dp_fill_audio_buffer_timer_stop(&media_tracker); + mitm_context.forward_active = false; + a2dp_fill_audio_buffer_timer_stop(&mitm_context); break; } break; } case A2DP_SUBEVENT_STREAM_SUSPENDED: - printf(" A2DP_SUBEVENT_STREAM_SUSPENDED, local seid %d\n", media_tracker.source_local_seid); - // a2dp_fill_audio_buffer_timer_pause(&media_tracker); - // TODO: ?? + printf(" A2DP_SUBEVENT_STREAM_SUSPENDED, local seid %d\n", mitm_context.a2dp_source_local_seid); break; case A2DP_SUBEVENT_STREAM_RELEASED: printf("A2DP Source: stream released\n"); - media_processing_close(); break; case A2DP_SUBEVENT_SIGNALING_CONNECTION_RELEASED: - a2dp_source_cid = 0; + mitm_context.a2dp_source_cid = 0; printf("A2DP Source: signaling connection released\n"); break; @@ -596,9 +512,9 @@ static void show_usage(void){ printf("--- A2DP MITM Console on %s ---\n", bd_addr_to_str(iut_address)); printf("- Paired with smartphone: %s\n", smartphone_paired ? "yes" : "no"); printf("- Paired with headset: %s\n", headset_paired ? "yes" : "no"); - printf("- Smartphone connected: %s\n", a2dp_sink_cid ? "yes" : "no"); - printf("- Headset connected: %s\n", a2dp_source_cid ? "yes" : "no"); - printf("- Headset ready: %s\n", headset_stream_ready ? "yes" : "no"); + printf("- Smartphone connected: %s\n", mitm_context.a2dp_sink_cid ? "yes" : "no"); + printf("- Headset connected: %s\n", mitm_context.a2dp_source_cid ? "yes" : "no"); + printf("- Headset ready: %s\n", mitm_context.headset_stream_ready ? "yes" : "no"); printf("\n"); printf("p - create connection to smartphone %s\n", bd_addr_to_str(smartphone_addr)); printf("h - create connection to headset %s\n", bd_addr_to_str(headset_addr)); @@ -613,20 +529,21 @@ static void show_usage(void){ static void stdin_process(char cmd){ uint8_t status = ERROR_CODE_SUCCESS; - sep.seid = 1; switch (cmd){ case 'p': - status = a2dp_sink_establish_stream(smartphone_addr, a2dp_sink_local_seid, &a2dp_sink_cid); - printf("Creating A2DP Connection to remote audio source (smartphone) %s, a2dp sink cid 0x%02x\n", bd_addr_to_str(smartphone_addr), a2dp_sink_cid); + status = a2dp_sink_establish_stream(smartphone_addr, mitm_context.a2dp_sink_local_seid, &mitm_context.a2dp_sink_cid); + printf("Creating A2DP Connection to remote audio source (smartphone) %s, a2dp sink cid 0x%02x\n", + bd_addr_to_str(smartphone_addr), mitm_context.a2dp_sink_cid); break; case 'h': - status = a2dp_source_establish_stream(headset_addr, a2dp_source_local_seid, &a2dp_source_cid); - printf("Creating A2DP Connection to remote audio sink (headset) %s, a2dp source cid 0x%02x\n", bd_addr_to_str(headset_addr), a2dp_source_cid); + status = a2dp_source_establish_stream(headset_addr, mitm_context.a2dp_source_local_seid, &mitm_context.a2dp_source_cid); + printf("Creating A2DP Connection to remote audio sink (headset) %s, a2dp source cid 0x%02x\n", + bd_addr_to_str(headset_addr), mitm_context.a2dp_source_cid); break; case 'd': printf("Disconnect all\n"); - a2dp_sink_disconnect(a2dp_sink_cid); - a2dp_source_disconnect(a2dp_source_cid); + a2dp_sink_disconnect(mitm_context.a2dp_sink_cid); + a2dp_source_disconnect(mitm_context.a2dp_source_cid); break; case 'c': printf("Deleting all link keys\n"); @@ -676,7 +593,8 @@ int btstack_main(int argc, const char * argv[]){ printf("A2DP Sink: not enough memory to create local stream endpoint\n"); return 1; } - a2dp_sink_local_seid = avdtp_local_seid(local_sink_stream_endpoint); + mitm_context.a2dp_sink_local_seid = avdtp_local_seid(local_sink_stream_endpoint); + printf("A2DP Sink: created stream endpoint with seid %d\n", mitm_context.a2dp_sink_local_seid); 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); @@ -694,8 +612,8 @@ int btstack_main(int argc, const char * argv[]){ printf("A2DP Source: not enough memory to create local stream endpoint\n"); return 1; } - a2dp_source_local_seid = avdtp_local_seid(local_source_stream_endpoint); - printf("A2DP Source: created stream endpoint with seid %d\n", a2dp_source_local_seid); + mitm_context.a2dp_source_local_seid = avdtp_local_seid(local_source_stream_endpoint); + printf("A2DP Source: created stream endpoint with seid %d\n", mitm_context.a2dp_source_local_seid); memset(sdp_avdtp_source_service_buffer, 0, sizeof(sdp_avdtp_source_service_buffer)); a2dp_source_create_sdp_record(sdp_avdtp_source_service_buffer, 0x10002, 1, NULL, NULL);