setPlaybackSpeed abstract method
Sets the channel mode of the current audio file.
Call this method after calling open.
speed
The playback speed. Agora recommends that you limit this value to a range between 50 and 400, which is defined as follows: 50: Half the original speed. 100: The original speed. 400: 4 times the original speed.
Returns When the method call succeeds, there is no return value; when fails, the AgoraRtcException exception is thrown. You need to catch the exception and handle it accordingly.
Implementation
Future<void> setPlaybackSpeed(int speed);