Subscribing to Notifications of Reporting Audio Stream Frame Data

Function

A notification is sent when audio stream frame data starts to be reported. (For Windows, only 32-bit Windows is supported.)

Function Prototype

setOnAudioFrameNotifyCB(onAudioFrameNotify: (audioFrameData: AudioFrameData) => void): voidsetOnAudioFrameNotifyCB(onAudioFrameNotify: (audioFrameData: AudioFrameData) => void): void

Request Parameters

**Table 1** Input parameter description
Parameter	Mandatory	Type	Description
onAudioFrameNotify	Yes	(audioFrameData: AudioFrameData) => void	Notifies you when audio stream frame data starts to be reported. (For Windows, only 32-bit Windows is supported.)

Return Values

void

Notification Method Parameters

(audioFrameData: AudioFrameData) => void

**Table 2** Input parameter description
Parameter	Type	Description
audioFrameData	AudioFrameData	Audio stream frame data.

**Table 3** AudioFrameData
Parameter	Type	Description
eFrameType	AudioFrameType	Audio frame type.
iSamples	number	Number of sampling points of each audio channel. iSamples = iSamplesPerSec x 10 ms/1,000
iSamplesPerSec	number	Sampling ratio.
iBytesPerSample	number	Number of bytes of each sampling point. Generally, the PCM audio is 16 bits.
iChannels	number	Number of audio channels.
uiBufferLen	number	Buffer length. The encoded data is encrypted by a third party. The data length increases to prevent overflow.
pBuffer	HWM_CHAR *	Data buffer. Length = iSamples x iBytesPerSample x iChannels
uiDataLen	number	Data length, which is used after encoding or before decoding. The value of this parameter needs to be updated after encryption or decryption.