onProcessRemoteAudioData method
void
onProcessRemoteAudioData()
Custom audio processing remote playing stream PCM audio frame callback.
Available: Since 2.13.0
Description: In this callback, you can receive the PCM audio frames of remote playing stream. Developers can modify the audio frame data, as well as the audio channels and sample rate. The timestamp can be used for data synchronization, such as lyrics, etc.
When to trigger: You need to call enableCustomAudioRemoteProcessing
to enable the function first, and call startPlayingStream
to trigger this callback function.
Restrictions: None.
Caution: This callback is a high-frequency callback, please do not perform time-consuming operations in this callback.
data
Audio data in PCM format.dataLength
Length of the data.param
Parameters of the audio frame.streamID
Corresponding stream ID.timestamp
The audio frame timestamp, starting from 0 when capture is started, the unit is milliseconds.
Implementation
void onProcessRemoteAudioData(
Uint8List data,
int dataLength,
ZegoAudioFrameParam param,
String streamID,
double timestamp,
) {}