hi_mpi_ai_release_frame

Description

Releases the buffer for storing audio frames.

Restrictions

• When the audio-left channel or stereo channel is used for recording, ai_chn must be fixed at 0. When the audio-right channel is used for recording, ai_chn is 1.
• This API and hi_mpi_ai_get_frame must be used in pairs. Call hi_mpi_ai_get_frame to obtain audio frames. After audio frames are used, call this API to release the buffer for storing audio frames in time.
• This API cannot be called repeatedly.

Prototype

hi_s32 hi_mpi_ai_release_frame(hi_audio_dev ai_dev, hi_ai_chn ai_chn, const hi_audio_frame *frame, const hi_aec_frame *aec_frame);

Parameters

Returns

• 0: success
• Other values: failure. For details, see Audio Return Codes.