removeMediaTrack method

@override Future<MediaStream> removeMediaTrack(String trackId)

Implementation

@override
Future<MediaStream> removeMediaTrack(String trackId) {
  if (localStream == null) {
    return Future.error(IllegalStateException(
        'Can\'t remove the track cause the local media stream doesn\'t exist'));
  }

  var track = localStream?.getTrackById(trackId);

  if (track == null) {
    return Future.error(IllegalStateException(
        'Can\'t remove the track cause it not found in the local media stream'));
  }

  return Future.wait(channels
          .map((userId, peerConnection) => MapEntry(
                userId,
                peerConnection.removeTrack(trackId),
              ))
          .values)
      .then((_) {
    localStream?.removeTrack(track);
    track.stop();
    onLocalStreamReceived?.call(localStream!);
    return localStream!;
  });
}