protected virtual bool isTheExpected(LSLStreamInfoWrapper stream)
{
bool predicate = StreamName.Equals(stream.Name);
predicate &= StreamType.Equals(stream.Type);
return(predicate);
}
/// <summary>
/// Callback method for the Resolver gets called each time the resolver misses a stream within its cache
/// </summary>
/// <param name="stream"></param>
public virtual void AStreamGotLost(LSLStreamInfoWrapper stream)
{
if (!isTheExpected(stream))
{
return;
}
Debug.Log(string.Format("LSL Stream {0} Lost for {1}", stream.Name, name));
OnStreamLost();
}
/// <summary>
/// Callback method for the Resolver gets called each time the resolver found a stream
/// </summary>
/// <param name="stream"></param>
public virtual void AStreamIsFound(LSLStreamInfoWrapper stream)
{
if (!isTheExpected(stream))
{
return;
}
Debug.Log(string.Format("LSL Stream {0} found for {1}", stream.Name, name));
inlet = new liblsl.StreamInlet(stream.Item);
expectedChannels = stream.ChannelCount;
OnStreamAvailable();
}
public bool IsStreamAvailable(out LSLStreamInfoWrapper info, string streamName = "", string streamType = "", string hostName = "")
{
var result = knownStreams.Where(i =>
(streamName == "" || i.Name.Equals(streamName)) &&
(streamType == "" || i.Type.Equals(streamType)) &&
(hostName == "" || i.Type.Equals(hostName))
);
if (result.Any())
{
info = result.First();
return(true);
}
else
{
info = null;
return(false);
}
}
private IEnumerator resolveContinuously()
{
while (resolve)
{
var results = resolver.results();
foreach (var item in knownStreams)
{
if (!results.Any(r => r.name().Equals(item.Name)))
{
if (onStreamLost.GetPersistentEventCount() > 0)
{
onStreamLost.Invoke(item);
}
}
}
// remove lost streams from cache
knownStreams.RemoveAll(s => !results.Any(r => r.name().Equals(s.Name)));
// add new found streams to the cache
foreach (var item in results)
{
if (!knownStreams.Any(s => s.Name == item.name() && s.Type == item.type()))
{
Debug.Log(string.Format("Found new Stream {0}", item.name()));
var newStreamInfo = new LSLStreamInfoWrapper(item);
knownStreams.Add(newStreamInfo);
if (onStreamFound.GetPersistentEventCount() > 0)
{
onStreamFound.Invoke(newStreamInfo);
}
}
}
yield return(new WaitForSecondsRealtime(0.1f));
}
yield return(null);
}
