public bool CreateCarriers(InboundRtpProtocol rtp, RtcpProtocol rtcp)
{
UDPCarrier pCarrier1 = null;
UDPCarrier pCarrier2 = null;
for (var i = 0; i < 10; i++)
{
if (pCarrier1 != null)
{
pCarrier1.Dispose();
pCarrier1 = null;
}
if (pCarrier2 != null)
{
pCarrier2.Dispose();
pCarrier2 = null;
}
pCarrier1 = UDPCarrier.Create("0.0.0.0", 0);
if (pCarrier1 == null)
{
WARN("Unable to create UDP carrier for RTP");
continue;
}
pCarrier2 = (pCarrier1.NearPort % 2) == 0 ? UDPCarrier.Create("0.0.0.0", pCarrier1.NearPort + 1) : UDPCarrier.Create("0.0.0.0", pCarrier1.NearPort - 1);
if (pCarrier2 == null)
{
WARN("Unable to create UDP carrier for RTCP");
continue;
}
if (pCarrier1.NearPort > pCarrier2.NearPort)
{
WARN("Switch carriers");
UDPCarrier pTemp = pCarrier1;
pCarrier1 = pCarrier2;
pCarrier2 = pTemp;
}
pCarrier1.Protocol = rtp.FarEndpoint;
rtp.FarEndpoint.IOHandler = pCarrier1;
pCarrier2.Protocol = rtcp.FarEndpoint;
rtcp.FarEndpoint.IOHandler = pCarrier2;
return(pCarrier1.StartAccept() | pCarrier2.StartAccept());
}
if (pCarrier1 != null)
{
pCarrier1.Dispose();
pCarrier1 = null;
}
if (pCarrier2 != null)
{
pCarrier2.Dispose();
pCarrier2 = null;
}
return(false);
}
public void Cleanup()
{
_audioTrack = null;
_videoTrack = null;
_protocols.Clear();
if (_rtpVideo != null)
{
_rtpVideo.SetStream(null, false);
_rtpVideo.EnqueueForDelete();
_rtpVideo = null;
}
if (_rtpAudio != null)
{
_rtpAudio.SetStream(null, true);
_rtpAudio.EnqueueForDelete();
_rtpAudio = null;
}
if (_rtcpVideo != null)
{
_rtcpVideo.EnqueueForDelete();
_rtcpVideo = null;
}
if (_rtcpAudio != null)
{
_rtcpAudio.EnqueueForDelete();
_rtcpAudio = null;
}
}
public bool AddTrack(Variant track, bool isAduio)
{
var _track = isAduio ? _audioTrack : _videoTrack;
var _oppositeTrack = isAduio ? _videoTrack : _audioTrack;
var rr = isAduio ? _audioRR : _videoRR;
if (_track != null)
{
return(false);
}
var application = _rtsp.Application;
if (application == null)
{
FATAL("RTSP protocol not yet assigned to an application");
return(false);
}
if (isAduio)
{
_audioTrack = track;
}
else
{
_videoTrack = track;
}
_track = track;
if (_oppositeTrack != null)
{
if (_oppositeTrack["isTcp"] != _track["isTcp"])
{
return(false);
}
}
_forceTcp = _track["isTcp"];
var dummy = new Variant();
var rtp = (InboundRtpProtocol)ProtocolFactoryManager.CreateProtocolChain(Defines.CONF_PROTOCOL_INBOUND_UDP_RTP, dummy);
if (rtp == null)
{
FATAL("Unable to create the protocol chain");
Cleanup();
return(false);
}
if (isAduio)
{
_rtpAudio = rtp;
}
else
{
_rtpVideo = rtp;
}
var rtcp = (RtcpProtocol)ProtocolFactoryManager.CreateProtocolChain(Defines.CONF_PROTOCOL_UDP_RTCP, dummy);
if (rtcp == null)
{
FATAL("Unable to create the protocol chain");
Cleanup();
return(false);
}
if (isAduio)
{
_rtcpAudio = rtcp;
}
else
{
_rtcpVideo = rtcp;
}
if (_track["isTcp"])
{
var dataIdx = 0u;
var rtcpIdx = 0u;
if (_track["portsOrChannels", "data"] && _track["portsOrChannels", "rtcp"])
{
dataIdx = _track["portsOrChannels", "data"];
rtcpIdx = _track["portsOrChannels", "rtcp"];
}
else
{
dataIdx = (uint)(_track["globalTrackIndex"] * 2);
rtcpIdx = dataIdx + 1;
}
if ((dataIdx >= 256) || (rtcpIdx >= 256))
{
FATAL("Invalid channel numbers");
return(false);
}
if (_protocols.ContainsKey(dataIdx) || _protocols.ContainsKey(rtcpIdx))
{
FATAL("Invalid channel numbers");
return(false);
}
_protocols[dataIdx] = rtp;
_protocols[rtcpIdx] = rtcp;
rr.Write(8, rtp.SSRC); //SSRC of packet sender
rr.Write(40, rtcp.SSRC); //SSRC of packet sender
rr[1] = (byte)rtcpIdx;
}
else
{
if (!CreateCarriers(rtp, rtcp))
{
FATAL("Unable to create carriers");
return(false);
}
}
rtp.Application = application;
rtcp.Application = application;
return(true);
}
public override BaseProtocol SpawnProtocol(ulong type, Variant parameters)
{
BaseProtocol pResult = null;
switch (type)
{
case ProtocolTypes.PT_TCP:
pResult = new TCPProtocol();
break;
case ProtocolTypes.PT_UDP:
pResult = new UDPProtocol();
break;
case ProtocolTypes.PT_INBOUND_SSL:
pResult = new InboundSSLProtocol();
break;
case ProtocolTypes.PT_OUTBOUND_SSL:
pResult = new OutboundSSLProtocol();
break;
case ProtocolTypes.PT_INBOUND_RTMP:
pResult = new InboundRTMPProtocol();
break;
case ProtocolTypes.PT_INBOUND_RTMPS_DISC:
break;
case ProtocolTypes.PT_OUTBOUND_RTMP:
pResult = new OutboundRTMPProtocol();
break;
case ProtocolTypes.PT_INBOUND_RTMFP:
pResult = new InboundRTMFPProtocol();
break;
case ProtocolTypes.PT_INBOUND_CLUSTER:
pResult = new InboundClusterProtocol();
break;
case ProtocolTypes.PT_OUTBOUND_CLUSTER:
pResult = new OutboundClusterProtocol();
break;
case ProtocolTypes.PT_RTSP:
pResult = new RtspProtocol();
break;
case ProtocolTypes.PT_RTP_NAT_TRAVERSAL:
pResult = new NATTraversalProtocol();
break;
case ProtocolTypes.PT_INBOUND_RTP:
pResult = new InboundRtpProtocol();
break;
case ProtocolTypes.PT_RTCP:
pResult = new RtcpProtocol();
break;
case ProtocolTypes.PT_INBOUND_WEBSOCKET:
pResult = new WebSocketProtocol();
break;
case ProtocolTypes.PT_INBOUND_WEBRTC_SIGNAL:
pResult = new WebRtcSignalProtocol();
break;
case ProtocolTypes.PT_INBOUND_MP4:
pResult = new Mp4Protocol();
break;
default:
Logger.FATAL("Spawning protocol {0} not yet implemented",
type.TagToString());
break;
}
if (pResult != null)
{
if (!pResult.Initialize(parameters))
{
Logger.FATAL("Unable to initialize protocol {0}",
type.TagToString());
pResult = null;
}
}
return pResult;
}
public bool AddTrack(Variant track, bool isAduio)
{
var _track = isAduio ? _audioTrack : _videoTrack;
var _oppositeTrack = isAduio ? _videoTrack : _audioTrack;
var rr = isAduio ? _audioRR : _videoRR;
if (_track != null) return false;
var application = _rtsp.Application;
if (application == null)
{
FATAL("RTSP protocol not yet assigned to an application");
return false;
}
if (isAduio) _audioTrack = track;
else _videoTrack= track;
_track = track;
if (_oppositeTrack != null)
{
if (_oppositeTrack["isTcp"] != _track["isTcp"])
return false;
}
_forceTcp = _track["isTcp"];
var dummy = new Variant();
var rtp = (InboundRtpProtocol)ProtocolFactoryManager.CreateProtocolChain(Defines.CONF_PROTOCOL_INBOUND_UDP_RTP, dummy);
if (rtp == null)
{
FATAL("Unable to create the protocol chain");
Cleanup();
return false;
}
if (isAduio) _rtpAudio = rtp;
else _rtpVideo = rtp;
var rtcp = (RtcpProtocol)ProtocolFactoryManager.CreateProtocolChain(Defines.CONF_PROTOCOL_UDP_RTCP, dummy);
if (rtcp == null)
{
FATAL("Unable to create the protocol chain");
Cleanup();
return false;
}
if (isAduio) _rtcpAudio = rtcp;
else _rtcpVideo = rtcp;
if (_track["isTcp"])
{
var dataIdx = 0u;
var rtcpIdx = 0u;
if (_track["portsOrChannels", "data"] && _track["portsOrChannels", "rtcp"])
{
dataIdx = _track["portsOrChannels", "data"];
rtcpIdx = _track["portsOrChannels", "rtcp"];
}
else
{
dataIdx =(uint) (_track["globalTrackIndex"]*2);
rtcpIdx = dataIdx + 1;
}
if ((dataIdx >= 256) || (rtcpIdx >= 256))
{
FATAL("Invalid channel numbers");
return false;
}
if (_protocols.ContainsKey(dataIdx) || _protocols.ContainsKey(rtcpIdx))
{
FATAL("Invalid channel numbers");
return false;
}
_protocols[dataIdx] = rtp;
_protocols[rtcpIdx] = rtcp;
rr.Write(8, rtp.SSRC);//SSRC of packet sender
rr.Write(40, rtcp.SSRC); //SSRC of packet sender
rr[1] = (byte) rtcpIdx;
}
else
{
if (!CreateCarriers(rtp, rtcp))
{
FATAL("Unable to create carriers");
return false;
}
}
rtp.Application = application;
rtcp.Application = application;
return true;
}
public bool CreateCarriers(InboundRtpProtocol rtp, RtcpProtocol rtcp)
{
UDPCarrier pCarrier1 = null;
UDPCarrier pCarrier2 = null;
for (var i = 0; i < 10; i++)
{
if (pCarrier1 != null)
{
pCarrier1.Dispose();
pCarrier1 = null;
}
if (pCarrier2 != null)
{
pCarrier2.Dispose();
pCarrier2 = null;
}
pCarrier1 = UDPCarrier.Create("0.0.0.0", 0);
if (pCarrier1 == null)
{
WARN("Unable to create UDP carrier for RTP");
continue;
}
pCarrier2 = (pCarrier1.NearPort % 2) == 0 ? UDPCarrier.Create("0.0.0.0",pCarrier1.NearPort + 1) : UDPCarrier.Create("0.0.0.0", pCarrier1.NearPort - 1);
if (pCarrier2 == null)
{
WARN("Unable to create UDP carrier for RTCP");
continue;
}
if (pCarrier1.NearPort > pCarrier2.NearPort)
{
WARN("Switch carriers");
UDPCarrier pTemp = pCarrier1;
pCarrier1 = pCarrier2;
pCarrier2 = pTemp;
}
pCarrier1.Protocol = rtp.FarEndpoint;
rtp.FarEndpoint.IOHandler = pCarrier1;
pCarrier2.Protocol = rtcp.FarEndpoint;
rtcp.FarEndpoint.IOHandler = pCarrier2;
return pCarrier1.StartAccept() | pCarrier2.StartAccept();
}
if (pCarrier1 != null)
{
pCarrier1.Dispose();
pCarrier1 = null;
}
if (pCarrier2 != null)
{
pCarrier2.Dispose();
pCarrier2 = null;
}
return false;
}
public void Cleanup()
{
_audioTrack = null;
_videoTrack = null;
_protocols.Clear();
if (_rtpVideo != null)
{
_rtpVideo.SetStream(null, false);
_rtpVideo.EnqueueForDelete();
_rtpVideo = null;
}
if (_rtpAudio != null)
{
_rtpAudio.SetStream(null, true);
_rtpAudio.EnqueueForDelete();
_rtpAudio = null;
}
if (_rtcpVideo != null)
{
_rtcpVideo.EnqueueForDelete();
_rtcpVideo = null;
}
if (_rtcpAudio != null)
{
_rtcpAudio.EnqueueForDelete();
_rtcpAudio = null;
}
}