addSlave method
Add a slave (or subtitle) to the current media player.
type Subtitle = 0,Audio = 1
uri Uri of the slave(a valid RFC 2396 Uri)
path a local path
select True if this slave should be selected when it's loaded
return true on success.
Implementation
Future<bool> addSlave(
{int type = 0,
String uri = '',
String path = '',
bool select = true}) async {
assert(uri.isNotEmpty || path.isNotEmpty);
await _ensureInitialized();
if (_isNeedDisposed) return false;
return await _vlcApi.addSlave(type, uri, path, select, _textureId);
}