getTrack method
'audio' | 'video'
Implementation
MediaStreamTrack? getTrack(String kind) {
var tracks;
if (kind == 'video') {
tracks = _stream.getVideoTracks();
return tracks.length > 0 ? _stream.getVideoTracks()[0] : null;
}
tracks = _stream.getAudioTracks();
return tracks.length > 0 ? _stream.getAudioTracks()[0] : null;
}