public AcquisitionDevice()
{
source = Observable.Create <IplImage>((observer, cancellationToken) =>
{
return(Task.Factory.StartNew(() =>
{
lock (captureLock)
{
using (var location = new SapLocation(ServerName, DeviceIndex))
using (var device = new SapAcqDevice(location, ConfigFileName))
using (var buffer = new SapBufferWithTrash(2, device, SapBuffer.MemoryType.ScatterGather))
using (var transfer = new SapAcqDeviceToBuf(device, buffer))
using (var waitEvent = new AutoResetEvent(false))
{
if (!device.Create())
{
throw new InvalidOperationException("Error opening device.");
}
transfer.Pairs[0].EventType = SapXferPair.XferEventType.EndOfFrame;
transfer.XferNotify += (sender, e) =>
{
int channels;
IplDepth depth;
SapFormat outputFormat;
GetImageDepth(buffer.Format, out depth, out channels, out outputFormat);
var image = new IplImage(new Size(buffer.Width, buffer.Height), depth, channels);
buffer.Write(0, buffer.Width * buffer.Height, image.ImageData);
observer.OnNext(image);
waitEvent.Set();
};
if (!buffer.Create())
{
throw new InvalidOperationException("Error creating buffer.");
}
if (!transfer.Create())
{
throw new InvalidOperationException("Error creating transfer.");
}
while (!cancellationToken.IsCancellationRequested)
{
waitEvent.WaitOne();
}
}
}
},
cancellationToken,
TaskCreationOptions.LongRunning,
TaskScheduler.Default));
})
.PublishReconnectable()
.RefCount();
}
public bool CreateNewObjects(SapLocation location, string fileName, bool Restore)
{
if (Online)
{
if (!Restore)
{
Location = location;
}
if (!SapManager.IsResourceAvailable(location, SapManager.ResourceType.Acq))
{
Debug.WriteLine(fileName + "available");
return(false);
}
Acquisition = new SapAcquisition(Location, fileName);
if (SapBuffer.IsBufferTypeSupported(Location, SapBuffer.MemoryType.ScatterGather))
{
Buffers = new SapBufferWithTrash(4, Acquisition, SapBuffer.MemoryType.ScatterGather);
}
else
{
Buffers = new SapBufferWithTrash(4, Acquisition, SapBuffer.MemoryType.ScatterGatherPhysical);
}
Xfer = new SapAcqToBuf(Acquisition, Buffers);
m_View = new SapView(Buffers);
Xfer.Pairs[0].EventType = SapXferPair.XferEventType.EndOfFrame;
Xfer.XferNotify += xfer_XferNotify;
Xfer.XferNotifyContext = this;
}
else
{
Buffers = new SapBuffer();
}
if (!CreateObjects())
{
DisposeObjects();
return(false);
}
return(true);
}
//static void Main(string[] args)
public static void Done()
{
SapAcqDevice camera = null;
SapView view = null;
SapTransfer transfer = null;
SapBuffer buffer = null;
Console.WriteLine("Sapera Console GigE Cameras AutoWhiteBalance Example (C# version)\n");
MyAcquisitionParams acqParams = new MyAcquisitionParams();
/*if (!GetOptions(args, acqParams))
* {
* Console.WriteLine("\nPress any key to terminate\n");
* Console.ReadKey();
* return;
* }*/
SapLocation location = new SapLocation(acqParams.ServerName, acqParams.ResourceIndex);
camera = new SapAcqDevice(location, acqParams.ConfigFileName);
buffer = new SapBufferWithTrash(2, camera, SapBuffer.MemoryType.ScatterGather);
transfer = new SapAcqDeviceToBuf(camera, buffer);
view = new SapView(buffer);
// End of frame event
transfer.Pairs[0].EventType = SapXferPair.XferEventType.EndOfFrame;
transfer.XferNotify += new SapXferNotifyHandler(Xfer_XferNotify);
transfer.XferNotifyContext = view;
if (!camera.Create())
{
Console.WriteLine("Error during SapAcquisition creation!\n");
DestroysObjects(camera, buffer, transfer, view);
return;
}
// Monochrome models are not supported for White Balance Calibration.
int colorType = 0;
bool isAvailable = false;
if (isAvailable = camera.IsFeatureAvailable("ColorType"))
{
if (camera.GetFeatureValue("ColorType", out colorType))
{
if (colorType == 0)
{
Console.WriteLine("This camera model does not support Auto White Balance calibration.\n");
DestroysObjects(camera, buffer, transfer, view);
return;
}
}
}
//activate feature only if camera has 3 separate gains
Boolean bRedGain = false;
Boolean bGreenGain = false;
Boolean bBlueGain = false;
bRedGain = camera.IsFeatureAvailable("GainRed");
bGreenGain = camera.IsFeatureAvailable("GainGreen");
bBlueGain = camera.IsFeatureAvailable("GainBlue");
if (!bRedGain && !bGreenGain && !bBlueGain)
{
Console.WriteLine("This camera model does not support Auto White Balance calibration.\n");
DestroysObjects(camera, buffer, transfer, view);
return;
}
// Create buffer object
if (!buffer.Create())
{
Console.WriteLine("Error during SapBuffer creation!\n");
DestroysObjects(camera, buffer, transfer, view);
return;
}
// Create transfer object
if (!transfer.Create())
{
Console.WriteLine("Error during SapTransfer creation!\n");
DestroysObjects(camera, buffer, transfer, view);
return;
}
// Create view object
if (!view.Create())
{
Console.WriteLine("Error during SapView creation!\n");
DestroysObjects(camera, buffer, transfer, view);
return;
}
Console.WriteLine("Press any key to start Grab. Press 'q' to quit.");
ConsoleKeyInfo info = Console.ReadKey(true);
char key = info.KeyChar;
if (key != 0)
{
if (key == 'q')
{
DestroysObjects(camera, buffer, transfer, view);
return;
}
}
// Start continous grab
transfer.Grab();
Console.WriteLine("Press any key to stop grab\n");
Console.ReadKey();
// Stop grab
transfer.Freeze();
transfer.Wait(5000);
Console.WriteLine("Press any key to start Auto White Balance calibration. Press 'q' to quit.\n");
info = Console.ReadKey(true);
key = info.KeyChar;
if (key != 0)
{
if (key == 'q')
{
DestroysObjects(camera, buffer, transfer, view);
return;
}
}
int oldPixelFormat = 0;
isAvailable = false;
if (isAvailable = camera.IsFeatureAvailable("PixelFormat"))
{
camera.GetFeatureValue("PixelFormat", out oldPixelFormat);
}
else
{
Console.WriteLine("This camera model does not support Auto White Balance calibration.\n");
DestroysObjects(camera, buffer, transfer, view);
return;
}
if (oldPixelFormat != GVSP_PIX_BAYRG8)
{
// Camera Pixel Format defined is not Raw Bayer.
// We change the value
DestroysObjects(null, buffer, transfer, view);
camera.SetFeatureValue("PixelFormat", GVSP_PIX_BAYRG8);
// Instantiation of new buffer object
buffer = new SapBufferWithTrash(2, camera, SapBuffer.MemoryType.ScatterGather);
// Instantiation of new view object
view = new SapView(buffer);
// Instantiation of new transfer object
transfer = new SapAcqDeviceToBuf(camera, buffer);
// End of frame event
transfer.Pairs[0].EventType = SapXferPair.XferEventType.EndOfFrame;
transfer.XferNotify += new SapXferNotifyHandler(Xfer_XferNotify);
transfer.XferNotifyContext = view;
if (!camera.Create())
{
Console.WriteLine("Error during SapAcquisition creation!\n");
DestroysObjects(camera, buffer, transfer, view);
return;
}
// Create buffer object
if (!buffer.Create())
{
Console.WriteLine("Error during SapBuffer creation!\n");
DestroysObjects(camera, buffer, transfer, view);
return;
}
// Create transfer object
if (!transfer.Create())
{
Console.WriteLine("Error during SapTransfer creation!\n");
DestroysObjects(camera, buffer, transfer, view);
return;
}
// Create view object
if (!view.Create())
{
Console.WriteLine("Error during SapView creation!\n");
DestroysObjects(camera, buffer, transfer, view);
return;
}
}
if (!AutoWhiteBalanceOperations(camera, buffer, transfer))
{
Console.WriteLine("Auto WhiteBalamce has failed");
DestroysObjects(camera, buffer, transfer, view);
return;
}
if (oldPixelFormat != GVSP_PIX_BAYRG8)
{
// Camera Pixel Format was changed for Raw Bayer.
// We set the original value.
DestroysObjects(null, buffer, transfer, view);
camera.SetFeatureValue("PixelFormat", oldPixelFormat);
// Instantiation of new buffer object
buffer = new SapBufferWithTrash(2, camera, SapBuffer.MemoryType.ScatterGather);
// Instantiation of new view object
view = new SapView(buffer);
// Instantiation of new transfer object
transfer = new SapAcqDeviceToBuf(camera, buffer);
// End of frame event
transfer.Pairs[0].EventType = SapXferPair.XferEventType.EndOfFrame;
transfer.XferNotify += new SapXferNotifyHandler(Xfer_XferNotify);
transfer.XferNotifyContext = view;
// Create buffer object
if (!buffer.Create())
{
Console.WriteLine("Error during SapBuffer creation!\n");
DestroysObjects(camera, buffer, transfer, view);
return;
}
// Create transfer object
if (!transfer.Create())
{
Console.WriteLine("Error during SapTransfer creation!\n");
DestroysObjects(camera, buffer, transfer, view);
return;
}
// Create view object
if (!view.Create())
{
Console.WriteLine("Error during SapView creation!\n");
DestroysObjects(camera, buffer, transfer, view);
return;
}
}
Console.WriteLine("Press any key to start Grab. Press 'q' to quit.\n");
info = Console.ReadKey(true);
key = info.KeyChar;
if (key != 0)
{
if (key == 'q')
{
DestroysObjects(camera, buffer, transfer, view);
return;
}
}
// Start continous grab
transfer.Grab();
Console.WriteLine("Press any key to stop grab\n");
Console.ReadKey();
// Stop grab
transfer.Freeze();
transfer.Wait(5000);
DestroysObjects(camera, buffer, transfer, view);
location.Dispose();
}
static void Main(string[] args)
{
SapAcquisition Acq = null;
SapAcqDevice AcqDevice = null;
SapBuffer Buffers = null;
SapTransfer Xfer = null;
SapView View = null;
Console.WriteLine("Sapera Console Grab Example (C# version)\n");
MyAcquisitionParams acqParams = new MyAcquisitionParams();
// Call GetOptions to determine which acquisition device to use and which config
// file (CCF) should be loaded to configure it.
if (!GetOptions(args, acqParams))
{
Console.WriteLine("\nPress any key to terminate\n");
Console.ReadKey(true);
return;
}
SapLocation loc = new SapLocation(acqParams.ServerName, acqParams.ResourceIndex);
if (SapManager.GetResourceCount(acqParams.ServerName, SapManager.ResourceType.Acq) > 0)
{
Acq = new SapAcquisition(loc, acqParams.ConfigFileName);
Buffers = new SapBufferWithTrash(2, Acq, SapBuffer.MemoryType.ScatterGather);
Xfer = new SapAcqToBuf(Acq, Buffers);
// Create acquisition object
if (!Acq.Create())
{
Console.WriteLine("Error during SapAcquisition creation!\n");
DestroysObjects(Acq, AcqDevice, Buffers, Xfer, View);
return;
}
Acq.EnableEvent(SapAcquisition.AcqEventType.StartOfFrame);
}
else if (SapManager.GetResourceCount(acqParams.ServerName, SapManager.ResourceType.AcqDevice) > 0)
{
AcqDevice = new SapAcqDevice(loc, acqParams.ConfigFileName);
Buffers = new SapBufferWithTrash(2, AcqDevice, SapBuffer.MemoryType.ScatterGather);
Xfer = new SapAcqDeviceToBuf(AcqDevice, Buffers);
// Create acquisition object
if (!AcqDevice.Create())
{
Console.WriteLine("Error during SapAcqDevice creation!\n");
DestroysObjects(Acq, AcqDevice, Buffers, Xfer, View);
return;
}
}
View = new SapView(Buffers);
// End of frame event
Xfer.Pairs[0].EventType = SapXferPair.XferEventType.EndOfFrame;
Xfer.XferNotify += new SapXferNotifyHandler(xfer_XferNotify);
Xfer.XferNotifyContext = View;
// Create buffer object
if (!Buffers.Create())
{
Console.WriteLine("Error during SapBuffer creation!\n");
DestroysObjects(Acq, AcqDevice, Buffers, Xfer, View);
return;
}
// Create buffer object
if (!Xfer.Create())
{
Console.WriteLine("Error during SapTransfer creation!\n");
DestroysObjects(Acq, AcqDevice, Buffers, Xfer, View);
return;
}
// Create buffer object
if (!View.Create())
{
Console.WriteLine("Error during SapView creation!\n");
DestroysObjects(Acq, AcqDevice, Buffers, Xfer, View);
return;
}
Xfer.Grab();
Console.WriteLine("\n\nGrab started, press a key to freeze");
Console.ReadKey(true);
Xfer.Freeze();
Xfer.Wait(1000);
DestroysObjects(Acq, AcqDevice, Buffers, Xfer, View);
loc.Dispose();
}
