static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
if (packet_type != HCI_EVENT_PACKET) return;
if (hci_event_packet_get_type(packet) == HCI_EVENT_PIN_CODE_REQUEST){
// inform about pin code request
bd_addr_t event_addr;
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");
}
if (hci_event_packet_get_type(packet) != HCI_EVENT_AVDTP_META) return;
UNUSED(channel);
UNUSED(size);
uint8_t status;
switch (packet[2]){
case AVDTP_SUBEVENT_SIGNALING_CONNECTION_ESTABLISHED:
avdtp_cid = avdtp_subevent_signaling_connection_established_get_avdtp_cid(packet);
status = avdtp_subevent_signaling_connection_established_get_status(packet);
if (status != ERROR_CODE_SUCCESS){
printf("AVDTP connection failed with status 0x%02x.\n", status);
break;
}
printf("AVDTP Sink connected: avdtp_cid 0x%02x.\n", avdtp_cid);
break;
case AVDTP_SUBEVENT_SIGNALING_CONNECTION_RELEASED:
avdtp_cid = avdtp_subevent_signaling_connection_released_get_avdtp_cid(packet);
printf("AVDTP connection released: avdtp_cid 0x%02x.\n", avdtp_cid);
break;
case AVDTP_SUBEVENT_SIGNALING_SEP_FOUND:
remote_seid = avdtp_subevent_signaling_sep_found_get_remote_seid(packet);
printf("Found sep: seid %u, in_use %d, media type %d, sep type %d (1-SNK)\n",
remote_seid, avdtp_subevent_signaling_sep_found_get_in_use(packet),
avdtp_subevent_signaling_sep_found_get_media_type(packet), avdtp_subevent_signaling_sep_found_get_sep_type(packet));
break;
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CAPABILITY:
printf("Received SBC codec capabilities\n");
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:{
printf("Received SBC codec configuration\n");
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);
avdtp_sink_delay_report(avdtp_cid, remote_seid, 100);
media_processing_close();
media_processing_init(sbc_configuration);
break;
}
case AVDTP_SUBEVENT_STREAMING_CONNECTION_ESTABLISHED:
printf("Streaming connection opened.\n");
break;
case AVDTP_SUBEVENT_STREAMING_CONNECTION_RELEASED:
printf("Streaming connection released.\n");
is_cmd_triggered_localy = 0;
is_media_header_reported_once = 0;
media_processing_close();
break;
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_OTHER_CAPABILITY:
printf("Received non SBC codec, event not parsed.\n");
break;
case AVDTP_SUBEVENT_SIGNALING_ACCEPT:{
switch (avdtp_subevent_signaling_accept_get_signal_identifier(packet)){
case AVDTP_SI_START:
printf("Stream started\n");
media_processing_init(sbc_configuration);
break;
case AVDTP_SI_SUSPEND:
printf("Stream paused\n");
media_processing_close();
break;
case AVDTP_SI_ABORT:
case AVDTP_SI_CLOSE:
printf("Stream stoped\n");
media_processing_close();
break;
default:
break;
}
if (is_cmd_triggered_localy){
is_cmd_triggered_localy = 0;
printf("AVDTP Sink command accepted\n");
}
break;
}
case AVDTP_SUBEVENT_SIGNALING_REJECT:
case AVDTP_SUBEVENT_SIGNALING_GENERAL_REJECT:
if (is_cmd_triggered_localy){
is_cmd_triggered_localy = 0;
printf("AVDTP Sink command rejected\n");
}
break;
default:
if (is_cmd_triggered_localy){
is_cmd_triggered_localy = 0;
}
printf("AVDTP Sink event 0x%02x not parsed\n", packet[2]);
break;
}
}
static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
if (packet_type != HCI_EVENT_PACKET) return;
if (hci_event_packet_get_type(packet) != HCI_EVENT_AVDTP_META) return;
UNUSED(channel);
UNUSED(size);
uint8_t status;
switch (packet[2]){
case AVDTP_SUBEVENT_SIGNALING_CONNECTION_ESTABLISHED:
avdtp_cid = avdtp_subevent_signaling_connection_established_get_avdtp_cid(packet);
status = avdtp_subevent_signaling_connection_established_get_status(packet);
if (status != ERROR_CODE_SUCCESS){
printf("AVDTP connection establishment failed: status 0x%02x.\n", status);
break;
}
printf("AVDTP connection established: avdtp_cid 0x%02x.\n", avdtp_cid);
break;
case AVDTP_SUBEVENT_SIGNALING_CONNECTION_RELEASED:
avdtp_cid = avdtp_subevent_signaling_connection_released_get_avdtp_cid(packet);
printf("AVDTP connection released: avdtp_cid 0x%02x.\n", avdtp_cid);
break;
case AVDTP_SUBEVENT_SIGNALING_SEP_FOUND:
remote_seid = avdtp_subevent_signaling_sep_found_get_remote_seid(packet);
printf("Found sep: seid %u, in_use %d, media type %d, sep type %d (1-SNK)\n",
remote_seid, avdtp_subevent_signaling_sep_found_get_in_use(packet),
avdtp_subevent_signaling_sep_found_get_media_type(packet), avdtp_subevent_signaling_sep_found_get_sep_type(packet));
break;
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CAPABILITY:
printf("Received MEDIA_CODEC_SBC_CAPABILITY\n");
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:{
printf("Received MEDIA_CODEC_SBC_CONFIGURATION\n");
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);
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, event not parsed.\n");
break;
case AVDTP_SUBEVENT_SIGNALING_ACCEPT:
break;
default:
printf("AVDTP Sink event not parsed\n");
break;
}
}
