/*
* Send synchronously sends data captured from microphone across the network on port 1550.
*/
private void Send()
{
try
{
captureBuffer = new CaptureBuffer(captureBufferDescription, capture);
//The following lines get audio from microphone and then send them
//across network
CreateNotifyPositions();
int halfBuffer = bufferSize / 2;
captureBuffer.Start(true);
bool readFirstBufferPart = true;
int offset = 0;
MemoryStream memStream = new MemoryStream(halfBuffer);
bStop = false;
while (!bStop)
{
if (!IsMuted)
{
autoResetEvent.WaitOne();
memStream.Seek(0, SeekOrigin.Begin);
captureBuffer.Read(offset, memStream, halfBuffer, LockFlag.None);
readFirstBufferPart = !readFirstBufferPart;
offset = readFirstBufferPart ? 0 : halfBuffer;
//Encode and encrypt data.
byte[] dataEncoded = ALawEncoder.ALawEncode(memStream.GetBuffer());
byte[] dataToWrite = AES_Crypto.Encrypt(dataEncoded, CallCurrentPass, CallCurrentSalt);
udpClient.Send(dataToWrite, dataToWrite.Length, otherPartyIP.Address.ToString(), 1550);
}
}
}
catch (Exception e)
{
MessageBox.Show(e.ToString(), "VoiceChat-Send ()", MessageBoxButton.OK, MessageBoxImage.Error, MessageBoxResult.OK);
}
finally
{
captureBuffer.Stop();
captureBuffer.Dispose();
//Increment flag by one.
nUdpClientFlag += 1;
//When flag is two then it means we have got out of loops in Send and Receive.
while (nUdpClientFlag != 2)
{
}
//Clear the flag.
nUdpClientFlag = 0;
//Close the socket.
udpClient.Close();
}
}
