public bool Options(RTSPRequestParser parser)
{
// TODO : Take care of the Uri format
string media = parser.Media;
ServerMediaSession session = Server.lookupServerMediaSession(media);
if (session == null)
{
HandleNotFound(parser);
return(false);
}
StringBuilder sb = new StringBuilder();
sb.Append("RTSP/1.0 200 OK\r\n");
sb.AppendFormat("Server: {0}\r\n", RTSPServer.ServerVersion);
sb.AppendFormat("Cseq: {0}\r\n", parser.Headers["CSEQ"]);
sb.AppendFormat("Public: {0}\r\n", _supportedCommands);
sb.Append("\r\n");
SendResponse(sb.ToString());
return(true);
}
public bool GetParameter(RTSPRequestParser parser)
{
string media = parser.Media;
ServerMediaSession session = _connection.Server.lookupServerMediaSession(media);
if (session == null)
{
_connection.HandleNotFound(parser);
return(false);
}
// Look up information for the specified subsession (track):
ServerMediaSubsession subsession = session.LookupSubSession(media);
// Not yet implemented
//ParseGetParameter(parser);
StringBuilder sb = new StringBuilder();
sb.Append("RTSP/1.0 200 OK\r\n");
sb.AppendFormat("Server: {0}\r\n", RTSPServer.ServerVersion);
sb.AppendFormat("Cseq: {0}\r\n", parser.Headers["CSEQ"]);
sb.AppendFormat("Session: {0}\r\n", SessionId);
sb.Append("Last-Modified: Tue, 30 Aug 2016 01:33:17 GMT\r\n");
sb.Append("Date: Sat, 22 Dec 2018 16:18:03 GMT\r\n");
sb.Append("Expires: Sun, 23 Dec 2018 12:01:28 GMT\r\n\r\n");
string reply = sb.ToString();
_connection.SendResponse(reply);
return(true);
}
public async Task <bool> Play(RTSPRequestParser parser)
{
string stream = parser.Media;
ServerMediaSession session = _connection.Server.lookupServerMediaSession(stream);
if (session == null)
{
_connection.HandleNotFound(parser);
return(false);
}
// Look up information for the specified subsession (track):
ServerMediaSubsession subsession;
subsession = session.LookupSubSession(stream);
ushort rtpSeqNum = 0;
uint rtpTimestamp = 0;
_rtpStream = subsession.GetStreamInstance();
rtpSeqNum = _rtpStream.CurrentSeqNo();
rtpTimestamp = _rtpStream.CurrentTimeStamp(); // presetNextTimestamp();
Playing = true;
await _rtpStream.AddDestination(this, _destinations);
if (_destinations.isTCP)
{
_connection.RegisterFilter(_rtpStream);
}
StringBuilder sb = new StringBuilder();
sb.Append("RTSP/1.0 200 OK\r\n");
sb.AppendFormat("Server: {0}\r\n", RTSPServer.ServerVersion);
sb.AppendFormat("Cseq: {0}\r\n", parser.Headers["CSEQ"]);
sb.AppendFormat("Session: {0}\r\n", parser.Headers["SESSION"]);
sb.Append("Last-Modified: Tue, 30 Aug 2016 01:33:17 GMT\r\n");
sb.Append("Cache-Control: must-revalidate\r\n");
sb.Append("Date: Sat, 22 Dec 2018 16:18:03 GMT\r\n");
sb.Append("Expires: Sun, 23 Dec 2018 12:01:28 GMT\r\n");
sb.Append("Range: npt=0.000-\r\n").
AppendFormat("RTP-Info: url=rtsp://{0}:{1}/{2}/track1;seq={3};rtptime={4}\r\n\r\n",
SocketExtensions.GetLocalIPV4Address(),
_connection.Server.Port,
subsession.Name,
rtpSeqNum, rtpTimestamp);
string reply = sb.ToString();
_connection.SendResponse(reply);
return(true);
}
private bool SetParameter(RTSPRequestParser parser)
{
// Begin by looking up the "ServerMediaSession" object for the specified "urlTotalSuffix":
string media = parser.Media;
ServerMediaSession session = Server.lookupServerMediaSession(media);
if (session == null)
{
HandleNotFound(parser);
return(false);
}
// Look up information for the specified subsession (track):
ServerMediaSubsession subsession;
media = media.TrimEnd('/'); // parser.Uri.Segments[2].TrimStart('/');
subsession = session.LookupSubSession(media);
string body = parser.Body;
if (String.IsNullOrEmpty(body))
{
HandleInvalidParameter(parser);
}
Dictionary <string, string> parameters = new Dictionary <string, string>();
try
{
StringParser bodyParser = new StringParser(body.ToUpper());
ParseParameters(parser, bodyParser, parameters);
Server.NewParameters(parameters);
}
catch
{
return(true);
}
StringBuilder sb = new StringBuilder();
sb.Append("RTSP/1.0 200 OK\r\n");
sb.AppendFormat("Server: {0}\r\n", RTSPServer.ServerVersion);
sb.AppendFormat("Cseq: {0}\r\n", parser.Headers["CSEQ"]);
sb.Append("\r\n");
SendResponse(sb.ToString());
return(true);
}
private bool Describes(RTSPRequestParser parser)
{
// Begin by looking up the "ServerMediaSession" object for the specified "urlTotalSuffix":
string media = parser.Media;
ServerMediaSession session = Server.lookupServerMediaSession(media);
if (session == null)
{
HandleNotFound(parser);
return(false);
}
// Look up information for the specified subsession (track):
ServerMediaSubsession subsession;
media = media.TrimEnd('/'); // parser.Uri.Segments[2].TrimStart('/');
subsession = session.LookupSubSession(media);
var sdp = subsession.GenerateSDPDescription();
StringBuilder sb = new StringBuilder();
sb.Append("RTSP/1.0 200 OK\r\n");
sb.AppendFormat("Server: {0}\r\n", RTSPServer.ServerVersion);
sb.AppendFormat("Cseq: {0}\r\n", parser.Headers["CSEQ"]);
sb.Append("Last-Modified: Tue, 30 Aug 2016 01:33:17 GMT\r\n");
sb.Append("Cache-Control: must-revalidate\r\n");
sb.AppendFormat("Content-length: {0}\r\n", sdp.Length);
sb.Append("Date: Sat, 22 Dec 2018 16:18:03 GMT\r\n");
sb.Append("Expires: Sat, 22 Dec 2018 16:18:03 GMT\r\n");
sb.Append("Content-Type: application/sdp\r\n").
Append("x-Accept-Retransmit: our-retransmit\r\n").
Append("x-Accept-Dynamic-Rate: 1\r\n").
AppendFormat("Content-Base: rtsp://{0}:{1}/{2}\r\n\r\n", SocketExtensions.GetLocalIPV4Address(), Server.Port, subsession.Name).
Append(sdp);
var str = sb.ToString();
SendResponse(str);
return(true);
}
public bool Setup(TcpClient tcpSocket, RTSPRequestParser parser)
{
string media = parser.Media;
ServerMediaSession session = _connection.Server.lookupServerMediaSession(media);
if (session == null)
{
_connection.HandleNotFound(parser);
return(false);
}
// Look up information for the specified subsession (track):
ServerMediaSubsession subsession = session.LookupSubSession(media);
Socket socket = null;
if (String.Compare(parser.TransportType, "RTP/AVP/TCP") == 0)
{
socket = tcpSocket.Client;
IsRTPOverTCP = true;
}
if ((subsession.IsMulticast && parser.TransportMode == "UNICAST") || (!subsession.IsMulticast && parser.TransportMode == "MULTICAST"))
{
_connection.HandleUnsupportedTransport(parser);
return(false);
}
int clientRTPPort = parser.ClientPort1;
int clientRTCPPort = parser.ClientPort2;
int serverRTPPort;
int serverRTCPPort;
string multiCastAddress;
var clientAddress = tcpSocket.Client.RemoteEndPoint as IPEndPoint;
subsession.GetStreamParameters(out serverRTPPort, out serverRTCPPort, out multiCastAddress);
SetupDestinations(socket, clientAddress, null, clientRTPPort, clientRTCPPort, (byte)parser.Channel1, (byte)parser.Channel2);
StringBuilder sb = new StringBuilder();
sb.Append("RTSP/1.0 200 OK\r\n");
sb.AppendFormat("Server: {0}\r\n", RTSPServer.ServerVersion);
sb.AppendFormat("Cseq: {0}\r\n", parser.Headers["CSEQ"]);
var localIP = SocketExtensions.GetLocalIPV4Address();
if (parser.TransportMode == "UNICAST")
{
sb.AppendFormat("Session: {0}\r\n", SessionId);
sb.Append("Last-Modified: Tue, 30 Aug 2016 01:33:17 GMT\r\n");
sb.Append("Cache-Control: must-revalidate\r\n");
sb.Append("Date: Sat, 22 Dec 2018 16:18:03 GMT\r\n");
sb.Append("Expires: Sun, 23 Dec 2018 12:01:28 GMT\r\n");
if (socket == null)
{
// UDP
sb.AppendFormat("Transport: RTP/AVP;unicast;destination={0};source={1};client_port={2}-{3};server_port={4}-{5};\r\n\r\n",
clientAddress.Address,
localIP,
parser.ClientPort1,
parser.ClientPort2,
serverRTPPort,
serverRTCPPort);
}
else
{
// TCP
sb.AppendFormat("Transport: RTP/AVP/TCP;unicast;destination={0};source={1};interleaved={2}-{3}\r\n\r\n",
clientAddress.Address,
localIP,
parser.Channel1,
parser.Channel2);
}
}
// Multicast
else
{
sb.Append("Date: Sat, 22 Dec 2018 16:18:03 GMT\r\n");
sb.AppendFormat("Transport: RTP/AVP;multicast;destination={0};source={1};port={2}-{3};ttl=255\r\n",
multiCastAddress,
localIP,
serverRTPPort,
serverRTCPPort).
AppendFormat("Session: {0};timeout=65\r\n\r\n", SessionId);
}
var reply = sb.ToString();
_connection.SendResponse(reply);
return(true);
}
static void Main(string[] args)
{
var appSettings = ConfigurationManager.AppSettings;
string rtspPort = appSettings["rtspPort"] ?? "8554";
int rtsp = 8554;
try
{
rtsp = Convert.ToInt32(rtspPort);
}
catch
{ }
string resolution = appSettings["cameraResolution1"] ?? "800;600";
Console.WriteLine("Camera resolution: {0}", resolution);
var xy = resolution.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
if (xy.Length != 2)
{
xy = new string[] { "800", "600" }
}
;
int width = 800;
int height = 600;
try
{
width = Convert.ToInt32(xy[0]);
}
catch
{
width = 800;
}
try
{
height = Convert.ToInt32(xy[1]);
}
catch
{
height = 600;
}
Console.WriteLine("Width {0} Height {1}", width, height);
Server = new RTSPServer(rtsp, (width, height));
var streamName = "picamera";
ServerMediaSession unicast = new ServerMediaSession(streamName, streamName, String.Format("Session streamed by \"{0}\"", RTSPServer.ServerVersion));
unicast.AddSubsession(new H264VideoCaptureMediaSubsession());
Server.AddServerMediaSession(unicast);
var multicast = new ServerMediaSession("pimulticast", "pimulticast", String.Format("Session streamed by \"{0}\"", RTSPServer.ServerVersion));
multicast.AddSubsession(new H264MulticastVideoCaptureSubsession());
Server.AddServerMediaSession(multicast);
Server.Run();
//Server.Shutdown();
}
}
