LC3 Application Functions

[English]

APP_LC3 API Brief

Application	Brief
app_audio_lc3_init()	initialize the LC3 codec relevant settings
app_audio_lc3_downlink_stream_init()	initialize the downlink stream settings
app_audio_lc3_downlink_stream_buffering()	push LC3 downlink stream data into queue
app_audio_lc3_downlink_stream_deinit()	deinitialize the downlink stream settings
app_audio_lc3_set_dec_start()	update LC3 decoder environment member value
app_audio_lc3_rx_downlink_data()	handle LC3 downlink stream data
app_audio_lc3_uplink_stream_init()	initialize the uplink stream settings
app_audio_lc3_uplink_stream_deinit()	deinitialize the uplink stream settings

APP_LC3 API Reference

Header File

• common/app_audio/app_lc3.h

Functions

void app_audio_lc3_init(void)

initialize the LC3 codec relevant settings

set codec to LC3 and initialize audio environment settings

返回:

N/A

void app_audio_lc3_downlink_stream_init(le_audio_lc3_stream_info_t *p_lc3_stream_info, uint8_t vol)

initialize the downlink stream settings

set LC3 decoder relevant parameters and initialize LC3 decoder

参数:

• p_lc3_stream_info – [in] stream information strcut @le_audio_lc3_stream_info_t

• vol – [in] stream volume information

返回:

N/A

void app_audio_lc3_downlink_stream_buffering(uint8_t *p_data, uint32_t dlen, uint32_t seq)

push LC3 downlink stream data into queue

make a copy of LC3 downlink stream data, push it into decoder queue

参数:

• p_data – [in] pointer to LC3 downlink stream data

• dlen – [in] data length

• seq – [in] sequential number

返回:

N/A

void app_audio_lc3_downlink_stream_deinit(uint16_t iso_handle)

deinitialize the downlink stream settings

reset audio environment settings and free LC3 decoder relevant parameters

参数:

iso_handle – [in] ISO handle index

返回:

N/A

void app_audio_lc3_set_dec_start(bool start)

update LC3 decoder environment member value

update LC3 decoder environment member value, need set it start before receive downlink stream data

参数:

start – [in] boolean value for start or not

返回:

N/A

void app_audio_lc3_rx_downlink_data(le_audio_lc3_stream_t *p_lc3_stream)

handle LC3 downlink stream data

push data into queue by using @app_audio_lc3_downlink_stream_buffering and start decode when queue buffer size large than threshold

参数:

p_lc3_stream – [in] LC3 downlink stream data send by lower layer

返回:

N/A

void app_audio_lc3_uplink_stream_init(le_audio_lc3_stream_info_t *p_lc3_stream_info)

initialize the uplink stream settings

set LC3 encoder relevant parameters and initialize LC3 encoder

参数:

p_lc3_stream_info – [in] stream information strcut @le_audio_lc3_stream_info_t

返回:

N/A

void app_audio_lc3_uplink_stream_deinit(uint16_t iso_handle)

deinitialize the uplink stream settings

reset audio environment settings and free LC3 encoder relevant parameters

参数:

iso_handle – [in] ISO handle index

返回:

N/A