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example/a2dp_source_demo: show how to set preferred sample rate

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This commit is contained in:
Matthias Ringwald 2023-07-07 14:51:29 +02:00
parent 8d92774245
commit 8d360b2d9a
1 changed files with 7 additions and 3 deletions
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10
example/a2dp_source_demo.c
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@ -111,7 +111,7 @@ typedef struct {
} a2dp_media_sending_context_t;
static uint8_t media_sbc_codec_capabilities[] = {
(AVDTP_SBC_44100 << 4) | AVDTP_SBC_STEREO,
(AVDTP_SBC_44100 << 4) | (AVDTP_SBC_48000 << 4) | AVDTP_SBC_STEREO,
0xFF,//(AVDTP_SBC_BLOCK_LENGTH_16 << 4) | (AVDTP_SBC_SUBBANDS_8 << 2) | AVDTP_SBC_ALLOCATION_METHOD_LOUDNESS,
2, 53
};
@ -266,6 +266,8 @@ static int a2dp_source_and_avrcp_services_init(void){
return 1;
}
avdtp_set_preferred_sampling_frequency(local_stream_endpoint, 44100);
// Store stream enpoint's SEP ID, as it is used by A2DP API to indentify the stream endpoint
media_tracker.local_seid = avdtp_local_seid(local_stream_endpoint);
avdtp_source_register_delay_reporting_category(media_tracker.local_seid);
@ -324,7 +326,6 @@ static int a2dp_source_and_avrcp_services_init(void){
hci_event_callback_registration.callback = &hci_packet_handler;
hci_add_event_handler(&hci_event_callback_registration);
a2dp_demo_hexcmod_configure_sample_rate(current_sample_rate);
data_source = STREAM_MOD;
// Parse human readable Bluetooth address.
@ -654,7 +655,10 @@ 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,
current_sample_rate = sbc_configuration.sampling_frequency;
a2dp_demo_hexcmod_configure_sample_rate(current_sample_rate);
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,