private void Disconnect_DoWork(object sender, DoWorkEventArgs e) // Manages the disconnection routine of the camera DSC-QX10
{
CamConStatus = false;
ConnectEventArgs args = new ConnectEventArgs();
CamResponse = SendRequest("actZoom", "\"out\",\"start\"");
int zoom = -1;
while (zoom != 0)
{
string json = SendRequest("getEvent", "false", "1.1");
zoom = Convert.ToInt32(ReadRequestJson(json, 2, "zoomPosition"));
}
UdpSocket.Close();
StatSender("DISCONNECT");
}
protected virtual void OnConnectEvent(ConnectEventArgs e)
{
ConnectEvent?.Invoke(this, e);
}
private void LiveView_DoWork(object sender, DoWorkEventArgs e) // Request liveview image, reads and stores image
{
BackgroundWorker bw = sender as BackgroundWorker;
ConnectEventArgs args = new ConnectEventArgs();
try
{
while (!bw.CancellationPending)
{
using (var memstream = new MemoryStream())
{
imgData = new List <byte>();
imgSize = 0;
buffer = new byte[520];
bufferAux = new byte[4];
payloadType = 0;
frameNo = -1;
paddingSize = 0;
GetHeader: // Retrieves a byte(s) from the stream to check if it corresponds to Sony header construction
// Common Header (8 Bytes)
imgReader.BaseStream.Read(buffer, 0, 1); // Seeks for start byte
var start = buffer[0];
if (start != 0xff)
{
goto GetHeader;
}
imgReader.BaseStream.Read(buffer, 0, 1); // Stores payload Type
payloadType = (buffer[0]);
if (!((payloadType == 1) || (payloadType == 2)))
{
goto GetHeader;
}
imgReader.BaseStream.Read(buffer, 0, 2); // Stores Frame Number depending Payload type
if (payloadType == 1)
{
frameNo = BitConverter.ToUInt16(buffer, 0);
}
imgReader.BaseStream.Read(buffer, 0, 4); // Discards expected Time stamp
// Payload header (128 bytes)
imgReader.BaseStream.Read(buffer, 0, 4);
if (!((buffer[0] == 0x24) & (buffer[1] == 0x35) & (buffer[2] == 0x68) & (buffer[3] == 0x79)))
{
goto GetHeader; // If the start code does not correspond to fixed code (0x24, 0x35, 0x68, 0x79), starts over
}
imgReader.BaseStream.Read(bufferAux, 0, 4);
paddingSize = bufferAux[3];
bufferAux[3] = bufferAux[2];
bufferAux[2] = bufferAux[1];
bufferAux[1] = bufferAux[0];
bufferAux[0] = 0;
Array.Reverse(bufferAux);
imgSize = BitConverter.ToInt32(bufferAux, 0); // Reads and translates Data stream size
if (payloadType == 1) // Case JPEG data
{
imgReader.BaseStream.Read(buffer, 0, 120);
while (imgData.Count < imgSize)
{
imgReader.BaseStream.Read(buffer, 0, 1);
imgData.Add(buffer[0]);
}
}
MemoryStream stream = new MemoryStream(imgData.ToArray());
//BinaryReader reader = new BinaryReader(stream);
bmpImage = (Bitmap)Image.FromStream(stream);
memstream.Close();
stream.Close();
//Thread.Sleep(1);
if (CanSend)
{
StatSender("LIVEVIEW");
}
}
}
}
catch (Exception ex)
{
throw ex;
//MessageBox.Show(ex.Message);
}
//e.Cancel = true;
}
