/// <summary>
/// Add a source to hashtables, and possibly raise a SourceRestored event
/// </summary>
/// <param name="ssrc"></param>
/// <param name="cname"></param>
public void Add(uint ssrc, string cname)
{
String cnamekey = cname; // + " " + name;
lock (this)
{
if (!AddedFlags.ContainsKey(ssrc))
{
AddedFlags.Add(ssrc, "true");
}
if (ActiveStreams.ContainsKey(cnamekey))
{
ActiveStreams[cnamekey] = ssrc;
}
else
{
ActiveStreams.Add(cnamekey, ssrc);
}
DateTime previousAddForCname = DateTime.Now;
if (RestartTimes.ContainsKey(cnamekey))
{
Debug.WriteLine("found previous restart time");
previousAddForCname = (DateTime)RestartTimes[cnamekey];
RestartTimes.Remove(cnamekey);
}
RestartTimes.Add(cnamekey, DateTime.Now);
//Debug.WriteLine("SSRCManager.Add: " + cname +" "+Convert.ToString(ssrc));
//if it was in our running set, update the RtpStream and raise event.
if (RunningSet.ContainsKey(cnamekey))
{
Debug.WriteLine("found item in running set:" + cnamekey);
uint old_ssrc = Convert.ToUInt32(RunningSet[cnamekey]);
RunningSet[cnamekey] = ssrc;
//Don't raise source restored if the last add came less then 3 seconds ago.
if (DateTime.Now - previousAddForCname > new TimeSpan(0, 0, 0, 3, 0))
{
//Debug.WriteLine("time qualifies stream for source restored:" + cname);
if ((raiseSourceRestored) && (OnSourceRestored != null))
{
//Debug.WriteLine("Ready to enqueue sourceRestored");
SourceData sd = new SourceData();
sd.old_ssrc = old_ssrc;
sd.new_ssrc = ssrc;
sd.cname = cnamekey;
ThreadPool.QueueUserWorkItem(new WaitCallback(queueSourceRestored), sd);
}
}
}
}
}
/// <summary>
/// Clear all the hashtables
/// </summary>
public void Clear()
{
lock (this)
{
ActiveStreams.Clear();
RunningSet.Clear();
RestartTimes.Clear();
AddedFlags.Clear();
}
}
/// <summary>
/// Indicate whether stream added flags are set for all items in the running set.
/// </summary>
/// <returns></returns>
public bool RunningSetAdded()
{
lock (this)
{
foreach (uint ssrc in RunningSet.Values)
{
if (!AddedFlags.ContainsKey(ssrc))
{
return(false);
}
}
return(true);
}
}
/// <summary>
/// Clear all "Added" flags.
/// </summary>
public void ClearStreamAddedFlags()
{
AddedFlags.Clear();
}
protected virtual void OnAddedFlags(AddedFlagsEventArgs e)
{
AddedFlags?.Invoke(this, e);
}