public Sdp.SessionDescription CreateSessionDescription(int version = 0)
{
Sdp.SessionDescription sdp = new Sdp.SessionDescription(version);
foreach (Sdp.MediaDescription md in MediaDescriptions.Values)
{
sdp.Add(new Sdp.MediaDescription(md));
}
return(sdp);
}
//SourceStream Implementation
public override void Start()
{
if (m_RtpClient != null)
{
return;
}
//Create a RtpClient so events can be sourced from the Server to many clients without this Client knowing about all participants
//If this class was used to send directly to one person it would be setup with the recievers address
m_RtpClient = new Rtp.RtpClient();
SessionDescription = new Sdp.SessionDescription(0, "v√ƒ", Name);
SessionDescription.Add(new Sdp.Lines.SessionConnectionLine()
{
ConnectionNetworkType = Sdp.Lines.SessionConnectionLine.InConnectionToken,
ConnectionAddressType = Sdp.SessionDescription.WildcardString,
ConnectionAddress = System.Net.IPAddress.Any.ToString()
});
//Add a MediaDescription to our Sdp on any available port for RTP/AVP Transport using the RtpJpegPayloadType
SessionDescription.Add(new Sdp.MediaDescription(Sdp.MediaType.video, 0, Rtp.RtpClient.RtpAvpProfileIdentifier, RFC2435Media.RFC2435Frame.RtpJpegPayloadType));
//Indicate control to each media description contained
SessionDescription.Add(new Sdp.SessionDescriptionLine("a=control:*"));
//Ensure the session members know they can only receive
SessionDescription.Add(new Sdp.SessionDescriptionLine("a=sendonly")); //recvonly?
//that this a broadcast.
SessionDescription.Add(new Sdp.SessionDescriptionLine("a=type:broadcast"));
//Add a Interleave (We are not sending Rtcp Packets becaues the Server is doing that) We would use that if we wanted to use this ImageSteam without the server.
//See the notes about having a Dictionary to support various tracks
m_RtpClient.TryAddContext(new Rtp.RtpClient.TransportContext(0, 1, sourceId, SessionDescription.MediaDescriptions.First(), false, 0));
//Add the control line
SessionDescription.MediaDescriptions.First().Add(new Sdp.SessionDescriptionLine("a=control:trackID=1"));
//Add the line with the clock rate in ms, obtained by TimeSpan.TicksPerMillisecond * clockRate
//Make the thread
m_RtpClient.m_WorkerThread = new System.Threading.Thread(SendPackets);
m_RtpClient.m_WorkerThread.TrySetApartmentState(System.Threading.ApartmentState.MTA);
//m_RtpClient.m_WorkerThread.IsBackground = true;
//m_RtpClient.m_WorkerThread.Priority = System.Threading.ThreadPriority.BelowNormal;
m_RtpClient.m_WorkerThread.Name = "SourceStream-" + Id;
//If we are watching and there are already files in the directory then add them to the Queue
if (m_Watcher != null && !string.IsNullOrWhiteSpace(base.Source.LocalPath) && System.IO.Directory.Exists(base.Source.LocalPath))
{
foreach (string file in System.IO.Directory.GetFiles(base.Source.LocalPath))
{
if (false == SupportedImageFormats.Any(ext => file.EndsWith(ext, StringComparison.OrdinalIgnoreCase)))
{
continue;
}
}
//If we have not been stopped already
if (/*State != StreamState.Started && */ m_RtpClient.m_WorkerThread != null)
{
//Only ready after all pictures are in the queue
Ready = true;
m_RtpClient.m_WorkerThread.Start();
}
}
else
{
//We are ready
Ready = true;
m_RtpClient.m_WorkerThread.Start();
}
base.Start();
}
