/// <summary>
/// OPTIONS
/// </summary>
/// <returns></returns>
private bool OPTIONS()
{
string OPTIONS = $@"OPTIONS rtsp://{ServerIP}:{ServerPort}/{UrlFlag} RTSP/1.0
CSeq:1
User-Agent:{UserAgent}
";
Console.WriteLine($"发送{OPTIONS}");
RTSPServer.Send(Encoding.ASCII.GetBytes(OPTIONS));
byte[] receiveBuffer = new byte[4056];
int receiveCount = RTSPServer.Receive(receiveBuffer);
if (receiveCount <= 0)
{
Console.WriteLine("OPTIONS 没有返回数据");
return(false);
}
byte[] data = new byte[receiveCount];
Array.Copy(receiveBuffer, 0, data, 0, receiveCount);
string optionsResponse = Encoding.ASCII.GetString(data);
Console.WriteLine($"Options回复:{optionsResponse}");
return(true);
}
/// <summary>
/// TEARDOWN
/// </summary>
/// <returns></returns>
private bool TEARDOWN()
{
string TEARDOWN = $@"TEARDOWN rtsp://{ServerIP}:{ServerPort}/{UrlFlag} RTSP/1.0
CSeq: 5
User-Agent:{UserAgent}
Session:{Session}
";
Console.WriteLine($"发送{TEARDOWN}");
RTSPServer.Send(Encoding.ASCII.GetBytes(TEARDOWN));
byte[] receiveBuffer = new byte[4056];
int receiveCount = RTSPServer.Receive(receiveBuffer);
if (receiveCount <= 0)
{
Console.WriteLine("TEARDOWN 没有返回数据");
return(false);
}
byte[] data = new byte[receiveCount];
Array.Copy(receiveBuffer, 0, data, 0, receiveCount);
string RECORDResponse = Encoding.ASCII.GetString(data);
Console.WriteLine($"TEARDOWN:{RECORDResponse}");
RTSPServer.Close();
return(true);
}
/// <summary>
/// RECORD
/// </summary>
/// <returns></returns>
private bool RECORD()
{
if (string.IsNullOrEmpty(Session))
{
return(false);
}
string RECORD = $@"RECORD rtsp://{ServerIP}:{ServerPort}/{UrlFlag} RTSP/1.0
Range: npt=0.000-
CSeq:4
User-Agent:{UserAgent}
Session: {Session}
";
Console.WriteLine($"发送{RECORD}");
RTSPServer.Send(Encoding.ASCII.GetBytes(RECORD));
byte[] receiveBuffer = new byte[4056];
int receiveCount = RTSPServer.Receive(receiveBuffer);
if (receiveCount <= 0)
{
Console.WriteLine("RECORD 没有返回数据");
return(false);
}
byte[] data = new byte[receiveCount];
Array.Copy(receiveBuffer, 0, data, 0, receiveCount);
string RECORDResponse = Encoding.ASCII.GetString(data);
Console.WriteLine($"RECORD回复:{RECORDResponse}");
return(true);
}
/// <summary>
/// ANNOUNCE
/// </summary>
/// <returns></returns>
private bool ANNOUNCE()
{
string ANNOUNCEContent = $@"v=0
o=- 0 0 IN IP4 0.0.0.0
s={UrlFlag}
c=IN IP4 {ServerIP}
t=0 0
a=tool:libc6
m=audio 0 RTP/AVP 14
b=AS:320
a=control:streamid=0";
//长度+2是因为Content前后各有一个换行
string ANNOUNCE = $@"ANNOUNCE rtsp://{ServerIP}:{ServerPort}/{UrlFlag} RTSP/1.0
Content-Type: application/sdp
CSeq: 2
User-Agent:{UserAgent}
Content-Length:{Encoding.ASCII.GetByteCount(ANNOUNCEContent) + 2}
{ANNOUNCEContent}
";
Console.WriteLine($"发送{ANNOUNCE}");
RTSPServer.Send(Encoding.ASCII.GetBytes(ANNOUNCE));
byte[] receiveBuffer = new byte[4056];
int receiveCount = RTSPServer.Receive(receiveBuffer);
if (receiveCount <= 0)
{
Console.WriteLine("ANNOUNCE 没有返回数据");
return(false);
}
byte[] data = new byte[receiveCount];
Array.Copy(receiveBuffer, 0, data, 0, receiveCount);
string ANNOUNCEResponse = Encoding.ASCII.GetString(data);
Console.WriteLine($"ANNOUNCE回复:{ANNOUNCEResponse}");
return(true);
}
/// <summary>
/// SETUP
/// </summary>
/// <returns></returns>
private bool SETUP()
{
//此处注意..使用了@不转义字符串, 并且RTSP指定每行都需要使用\r\n换行, 最后使用两个\r\n, 前面不要输入Tab, 否则将报错
string SETUP = $@"SETUP rtsp://{ServerIP}:{ServerPort}/{UrlFlag}/streamid=0 RTSP/1.0
CSeq:3
Transport:RTP/AVP/TCP;unicast;interleaved=0-1;mode=record
User-Agent:{UserAgent}
";
Console.WriteLine($"发送{SETUP}");
RTSPServer.Send(Encoding.ASCII.GetBytes(SETUP));
byte[] receiveBuffer = new byte[4056];
int receiveCount = RTSPServer.Receive(receiveBuffer);
if (receiveCount <= 0)
{
Console.WriteLine("SETUP 没有返回数据");
return(false);
}
byte[] data = new byte[receiveCount];
Array.Copy(receiveBuffer, 0, data, 0, receiveCount);
string SETUPResponse = Encoding.ASCII.GetString(data);
Console.WriteLine($"SETUP回复:{SETUPResponse}");
StringReader stringReader = new StringReader(SETUPResponse);
string line = "";
while ((line = stringReader.ReadLine()) != null)
{
if (line.StartsWith("Session"))
{
this.Session = line.Split(":")[1].TrimStart().TrimEnd();
}
}
return(true);
}