EdgeWebrtc.createAudioSource()
DESCRIPTION
Create an RTCAudioSource object that can be used to create an EdgeAudioTrack with createAudioTrack
DECLARATION
public static func createAudioSource(constraints: RTCMediaConstraints) -> RTCAudioSource
PARAMETERS
constraints:
- a RTCMediaConstraints object. Refer to https://developer.mozilla.org/en-US/docs/Web/API/MediaTrackConstraints#instance_properties_of_audio_tracks