Audio Datapath

Audio datapath and synchronization API for Audio applications. More...

Macros
#define	SDU_REF_CH_DELTA_MAX_US   (int)(CONFIG_AUDIO_FRAME_DURATION_US * 0.001)

Functions
int	audio_datapath_tone_play (uint16_t freq, uint16_t dur_ms, float amplitude)
	Mixes a tone into the I2S TX stream.
void	audio_datapath_tone_stop (void)
	Stop tone playback.
int	audio_datapath_pres_delay_us_set (uint32_t delay_us)
	Set the presentation delay.
void	audio_datapath_pres_delay_us_get (uint32_t *delay_us)
	Get the current presentation delay.
void	audio_datapath_stream_out (struct net_buf *audio_frame_in)
	Input an audio data frame which is processed and outputted over I2S.
int	audio_datapath_start (struct k_msgq *queue_rx)
	Start the audio datapath module.
int	audio_datapath_stop (void)
	Stop the audio datapath module.
int	audio_datapath_init (void)
	Initialize the audio datapath module.

Detailed Description

Audio datapath and synchronization API for Audio applications.

This module implements the audio synchronization functionality required for True Wireless Stereo (TWS) operation.