hi_mpi_ao_get_chn_delay

The Atlas 200/300/500 Inference Product does not support this API.

The Atlas Training Series Product does not support this API.

Description

Obtains the current audio delay of an AO channel.

Restrictions

  • This API must be called after an AO channel is successfully enabled.
  • It obtains the current audio delay of an AO channel. When the queried delay is 0, the system stops waiting and enters the process to stop playing.

Prototype

hi_s32 hi_mpi_ao_get_chn_delay(hi_audio_dev ao_dev, hi_ao_chn ao_chn, hi_u32 *milli_sec);

Parameters

Parameter

Input/Output

Description

ao_dev

Input

Audio device ID. The value range is [0, 4].

ao_chn

Input

AO channel ID.

milli_sec

Output

Pointer to the audio delay (ms)

Returns