/// ///////////////////////////////////////////////////////
public static void audioReadNode()
{
Console.WriteLine("Audio Read Thread Started.");
tcpARTest = new TcpListener(IPAddress.Any, 9999);
tcpARTest.Start();
while (_continue)
{
Socket client = tcpARTest.AcceptSocket();
Console.WriteLine("Connection to node for reading audio established.");
var childSocketThread = new Thread(() =>
{
NetworkStream netStream = new NetworkStream(client);
StreamReader streamReader = new StreamReader(netStream);
string line;
string[] split;
string name;
int bytes;
int frequency;
byte[] audioBytes;
List<string> sentMessages = new List<string>();
try
{
while (true)
{
//bytestream? convert (1, 44100) to wave, save, add to dictionary to send to interfaces
//send the stream of the sensor that triggered an event most recently
//transfer, save, add to files dictionary - rest is automatic
//files.Add(key, DateTime.Now);
line = streamReader.ReadLine();
split = line.Split(' ');
if (split[0] == "Audio")
{
name = split[1];
bytes = Convert.ToInt32(split[2]);
frequency = Convert.ToInt32(split[3]);
audioBytes = new byte[bytes + 1];
Console.WriteLine("Receiving audio: " + name + " Bytes: " + bytes + " Frequency: " + frequency);
if (bytes > 0)
{
Console.WriteLine("Converting to wave audio file.");
netStream.Read(audioBytes, 0, bytes);
short[] sampleBufShort = new short[bytes / 2 + 1];
byte a, b;
for (int i = 0; i < bytes; i += 2)
{
a = audioBytes[i];
b = audioBytes[i + 1];
sampleBufShort[i / 2] = returnShort(a, b);
}
byte[] byteArray = new byte[bytes + 1];
Buffer.BlockCopy(sampleBufShort, 0, byteArray, 0, byteArray.Length);
DateTime dt = DateTime.ParseExact(name, "yyyy-MM-dd_HH-mm-ss.ffff", CultureInfo.InvariantCulture);
//string file = dt.ToString("hh:mm:ss:ffff");//Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString() + ".wav");
WaveFormat waveFormat = new WaveFormat(frequency, 16, 1);
Stream memStream = new MemoryStream(byteArray);
WaveStream waveStream = new WaveStreamDer(memStream, waveFormat);
//var desktopFolder = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory);
string file = "audio/" + dt.ToString("yyyy-MM-dd_HH-mm-ss_ffff") + ".wav";
Console.WriteLine("Resampling audio.");
WaveFormat waveForm44100 = new WaveFormat(44100, 16, 1);
WaveFormatConversionStream resampler = new WaveFormatConversionStream(waveForm44100, waveStream);
WaveFileWriter.CreateWaveFile(file, resampler);
files.Add(dt.ToString("yyyy-MM-dd_HH-mm-ss_ffff"), dt);
Console.WriteLine("Audio downloadeded and converted.");
}
else
{
Console.WriteLine("Audio download cancelled due to zero length.");
}
}
Thread.Sleep(1);
}
}
catch (Exception ex) {
Console.WriteLine("Audio Thread: " + ex.Message);
}
client.Close();
});
childSocketThread.Start();
}//end while
}
} //end function
/// ///////////////////////////////////////////////////////
public static void audioReadNode()
{
Console.WriteLine("Audio Read Thread Started.");
tcpARTest = new TcpListener(IPAddress.Any, 9999);
tcpARTest.Start();
while (_continue)
{
Socket client = tcpARTest.AcceptSocket();
Console.WriteLine("Connection to node for reading audio established.");
var childSocketThread = new Thread(() =>
{
NetworkStream netStream = new NetworkStream(client);
StreamReader streamReader = new StreamReader(netStream);
string line;
string[] split;
string name;
int bytes;
int frequency;
byte[] audioBytes;
List <string> sentMessages = new List <string>();
try
{
while (true)
{
//bytestream? convert (1, 44100) to wave, save, add to dictionary to send to interfaces
//send the stream of the sensor that triggered an event most recently
//transfer, save, add to files dictionary - rest is automatic
//files.Add(key, DateTime.Now);
line = streamReader.ReadLine();
split = line.Split(' ');
if (split[0] == "Audio")
{
name = split[1];
bytes = Convert.ToInt32(split[2]);
frequency = Convert.ToInt32(split[3]);
audioBytes = new byte[bytes + 1];
Console.WriteLine("Receiving audio: " + name + " Bytes: " + bytes + " Frequency: " + frequency);
if (bytes > 0)
{
Console.WriteLine("Converting to wave audio file.");
netStream.Read(audioBytes, 0, bytes);
short[] sampleBufShort = new short[bytes / 2 + 1];
byte a, b;
for (int i = 0; i < bytes; i += 2)
{
a = audioBytes[i];
b = audioBytes[i + 1];
sampleBufShort[i / 2] = returnShort(a, b);
}
byte[] byteArray = new byte[bytes + 1];
Buffer.BlockCopy(sampleBufShort, 0, byteArray, 0, byteArray.Length);
DateTime dt = DateTime.ParseExact(name, "yyyy-MM-dd_HH-mm-ss.ffff", CultureInfo.InvariantCulture);
//string file = dt.ToString("hh:mm:ss:ffff");//Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString() + ".wav");
WaveFormat waveFormat = new WaveFormat(frequency, 16, 1);
Stream memStream = new MemoryStream(byteArray);
WaveStream waveStream = new WaveStreamDer(memStream, waveFormat);
//var desktopFolder = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory);
string file = "audio/" + dt.ToString("yyyy-MM-dd_HH-mm-ss_ffff") + ".wav";
Console.WriteLine("Resampling audio.");
WaveFormat waveForm44100 = new WaveFormat(44100, 16, 1);
WaveFormatConversionStream resampler = new WaveFormatConversionStream(waveForm44100, waveStream);
WaveFileWriter.CreateWaveFile(file, resampler);
files.Add(dt.ToString("yyyy-MM-dd_HH-mm-ss_ffff"), dt);
Console.WriteLine("Audio downloadeded and converted.");
}
else
{
Console.WriteLine("Audio download cancelled due to zero length.");
}
}
Thread.Sleep(1);
}
}
catch (Exception ex) {
Console.WriteLine("Audio Thread: " + ex.Message);
}
client.Close();
});
childSocketThread.Start();
} //end while
} //end function
