private void RTSP_ProcessDescribeRequest(RtspRequestDescribe message, RtspListener listener)
{
String requested_url = message.RtspUri.ToString();
Task <byte[]> sdpDataTask = _videoSource != null?
OnProvideSdpData?.Invoke(Id, _videoSource)
: Task.FromResult <byte[]>(null);
byte[] sdpData = sdpDataTask.Result;
if (sdpData != null)
{
Rtsp.Messages.RtspResponse describe_response = message.CreateResponse(_logger);
describe_response.AddHeader("Content-Base: " + requested_url);
describe_response.AddHeader("Content-Type: application/sdp");
describe_response.Data = sdpData;
describe_response.AdjustContentLength();
// Create the reponse to DESCRIBE
// This must include the Session Description Protocol (SDP)
describe_response.Headers.TryGetValue(RtspHeaderNames.ContentBase, out contentBase);
using (StreamReader sdp_stream = new StreamReader(new MemoryStream(describe_response.Data)))
{
_sdpFile = Rtsp.Sdp.SdpFile.Read(sdp_stream);
}
listener.SendMessage(describe_response);
}
else
{
Rtsp.Messages.RtspResponse describe_response = (message as Rtsp.Messages.RtspRequestDescribe).CreateResponse(_logger);
//Method Not Valid In This State"
describe_response.ReturnCode = 455;
listener.SendMessage(describe_response);
}
}
protected Task <byte[]> ProcessRtspProvideSdpData(Guid connectionId, VideoSource videoSource)
{
return(OnProvideSdpData?.Invoke(connectionId, videoSource));
}
