private void FileEmergencyPlayThread(object obj)
{
UdpClient udpserver = new UdpClient(9999);
IPEndPoint ep = new IPEndPoint(IPAddress.Any, 0);
WorkProcessHandler h = new WorkProcessHandler(FileEmergencyPlayProcess);
ThreadParam ap = (ThreadParam)obj;
DeviceListener.Device d = deviceListener.Find(ap.id);
if (d == null)
{
return;
}
int ret = deviceListener.FileEmergencyPlayStart(d, "0.0.0.0", 9999, ap.filename, ap.streamtype, ap.volume, d.id.ToString());
if (ret != 0)
{
return;
}
FileStream fs = File.OpenRead(ap.filename);
if (fs == null)
{
return;
}
try
{
long starttime = DateTime.Now.Ticks;
string d_ip = null;
int d_port = 0;
while ((DateTime.Now.Ticks - starttime) < 3000 * 10000)//3000ms
{
if (udpserver.Available > 0)
{
byte[] bs = udpserver.Receive(ref ep);
string s = System.Text.Encoding.Default.GetString(bs);
if (s.Contains(d.id.ToString()))
{
d_ip = ep.Address.ToString();
d_port = ep.Port;
break;
}
}
}
if (d_port != 0)
{
int playfiletime = 0;
int time = System.Environment.TickCount;
int starttime1 = time;
bool eof = false;
byte[] fbs = new byte[320];
short[] pcm = new short[160];
int sequenceNumber = 0;
long timestamp = 0;
fs.Read(fbs, 0, 44);
long writebytes = 44;
while (!eof)
{
int runtime = System.Environment.TickCount - starttime1;
if ((runtime + 500) >= playfiletime)
{
int readbytes = fs.Read(fbs, 0, fbs.Length);
IntPtr p = Marshal.UnsafeAddrOfPinnedArrayElement(fbs, 0);
Marshal.Copy(p, pcm, 0, 160);
//GroovyCodecs.G711.uLaw.ULawEncoder g711encode = new GroovyCodecs.G711.uLaw.ULawEncoder();
//byte[] ba = g711encode.Process(pcm);
byte[] ba = g711.g711Encode_ulwa(pcm);
RtpPacket packet = new RtpPacket(RtpPayloadType.G711_uLaw, sequenceNumber, timestamp, ba, ba.Length);
sequenceNumber++;
timestamp += 20;// ba.Length;
playfiletime += 20;
udpserver.Send(packet.ToArray(), packet.Length, d_ip, d_port);
writebytes += readbytes;
if (readbytes < fbs.Length)
{
eof = true;
}
int process = (int)(100 * writebytes / fs.Length);
this.BeginInvoke(h, d, ap.filename, false, process);
}
}
}
udpserver.Close();
Thread.Sleep(500);
deviceListener.FileEmergencyPlayStop(d);
this.BeginInvoke(h, d, ap.filename, true, 0);
}
catch (ThreadAbortException abortException)
{
udpserver.Close();
dataThread = null;
}
}