// Setup the camera for capture.
static bool CameraSetup()
{
UInt32 FrameSize = 0;
// Get the byte size of the buffer.
if (Pv.AttrUint32Get(GCamera.Handle, "TotalBytesPerFrame", ref FrameSize) == 0)
{
GCamera.Buffer = new byte[FrameSize];
GCamera.GC = GCHandle.Alloc(GCamera.Buffer, GCHandleType.Pinned);
// Address of pinned buffer.
GCamera.Frame.ImageBuffer = GCamera.GC.AddrOfPinnedObject();
// Buffer size.
GCamera.Frame.ImageBufferSize = FrameSize;
// Start the capture mode.
if (Pv.CaptureStart(GCamera.Handle) == 0)
{
// Set the acquisition mode into continuous and hardware trigger mode, using SyncIn2 (non-isolated).
if (Pv.AttrEnumSet(GCamera.Handle, "FrameStartTriggerMode", "SyncIn2") == 0)
// Set the acquisition mode into continuous and hardware trigger mode, using SyncIn1 (isolated).
// if (Pv.AttrEnumSet(GCamera.Handle, "FrameStartTriggerMode", "SyncIn1") == 0)
{
// Set the acquisition mode into continuous.
if (Pv.CommandRun(GCamera.Handle, "AcquisitionStart") != 0)
{
// if that fails, reset the camera to non capture mode.
Pv.CaptureEnd(GCamera.Handle);
return(false);
}
else
{
return(true);
}
}
else
{
return(false);
}
}
else
{
return(true);
}
}
else
{
return(false);
}
}
// Setup the camera for capture.
static bool CameraSetup(ref tCamera Camera)
{
UInt32 FrameSize = 0;
UInt32 FrameCount = 600;
// Get the byte size of the buffer.
if (Pv.AttrUint32Get(Camera.Handle, "TotalBytesPerFrame", ref FrameSize) == 0)
{
Camera.Buffer = new byte[FrameSize];
Camera.GC = GCHandle.Alloc(Camera.Buffer, GCHandleType.Pinned);
// Address of the pinned buffer
Camera.Frame.ImageBuffer = Camera.GC.AddrOfPinnedObject();
// Buffer size.
Camera.Frame.ImageBufferSize = FrameSize;
Console.WriteLine("We have allocated {0} frames of {1} bytes each.", FrameCount, FrameSize);
// Start the capture mode.
if (Pv.CaptureStart(Camera.Handle) == 0)
{
// Set the camera in software acquisition mode.
if (Pv.AttrEnumSet(Camera.Handle, "FrameStartTriggerMode", "Software") == 0)
{
// Set the acquisition mode into continuous.
if (Pv.CommandRun(Camera.Handle, "AcquisitionStart") != 0)
{
// If that fails, reset the camera to non capture mode.
Pv.CaptureEnd(Camera.Handle);
return(false);
}
else
{
return(true);
}
}
else
{
return(false);
}
}
else
{
return(true);
}
}
else
{
return(false);
}
}
// Start streaming frames.
static bool DoStream(ref tCamera Camera)
{
tErr Err;
UInt32 FrameCount = 0;
GCHandle pFrame = GCHandle.Alloc(Camera.Frame, GCHandleType.Pinned);
tFrameCallback FrameCB = new tFrameCallback(FrameDummyCBStream);
uint timeout = 1000;
// Adjust packet for optimal preformance.
Pv.CaptureAdjustPacketSize(Camera.Handle, 8228);
Console.WriteLine("Streaming has started...");
// Set the camera in acquisition mode.
if (((Err = Pv.CaptureStart(Camera.Handle)) == 0))
{
if ((Pv.CommandRun(Camera.Handle, "AcquisitionStart")) != 0)
{
// If that fails, reset the camera to non capture mode.
Pv.CaptureEnd(Camera.Handle);
Console.WriteLine("PvCommandRun() failed!");
return(false);
}
else
{
// Stream for a total of 30 frames.
while (FrameCount < 100)
{
if (Pv.CaptureQueueFrame(Camera.Handle, pFrame.AddrOfPinnedObject(), FrameCB) == 0)
{
Pv.CaptureWaitForFrameDone(Camera.Handle, pFrame.AddrOfPinnedObject(), timeout);
FrameCount++;
}
}
// After the 30 frames, stop streaming.
CameraStop(ref Camera);
Console.WriteLine("Streaming stopped.");
return(true);
}
}
else
{
Console.WriteLine("PvCaptureStart() failed with error code {0}.", Err);
return(false);
}
}
// Snap a frame.
static bool DoSnap(ref tCamera Camera)
{
GCHandle pFrame = GCHandle.Alloc(Camera.Frame, GCHandleType.Pinned);
tFrameCallback FrameCB = new tFrameCallback(FrameDummyCBSnap);
uint timeout = 1000;
// Set the camera is acquisition mode.
if ((Pv.CaptureStart(Camera.Handle)) == 0)
{
// Set the acquisition mode to continuous.
if ((Pv.CommandRun(Camera.Handle, "AcquisitionStart")) != 0)
{
// If that fails,reset the camera to non capture mode.
Pv.CaptureEnd(Camera.Handle);
return(false);
}
else
{
bool failed = false;
// Enqueue the single frame.
if (Pv.CaptureQueueFrame(Camera.Handle, pFrame.AddrOfPinnedObject(), FrameCB) == 0)
{
Console.WriteLine("Waiting for the frame...");
failed = Pv.CaptureWaitForFrameDone(Camera.Handle, pFrame.AddrOfPinnedObject(), timeout) != 0;
Console.WriteLine("Frame is done...");
Console.WriteLine("Snapping done.");
}
else
{
failed = true;
}
Pv.CommandRun(Camera.Handle, "AcquisitionStop");
Pv.CaptureEnd(Camera.Handle);
return(!failed);
}
}
else
{
return(false);
}
}
// Setup the camera for capture.
static bool CameraStart(ref tCamera Camera)
{
UInt32 FrameSize = 0;
// Adjust packet for optimal preformance.
Pv.CaptureAdjustPacketSize(Camera.Handle, 8228);
// Get the bytes size of the buffer.
if (Pv.AttrUint32Get(Camera.Handle, "TotalBytesPerFrame", ref FrameSize) == 0)
{
Camera.Buffer = new byte[FrameSize];
Camera.GC = GCHandle.Alloc(Camera.Buffer, GCHandleType.Pinned);
// Address of the pinned buffer.
Camera.Frame.ImageBuffer = Camera.GC.AddrOfPinnedObject();
// Buffer size.
Camera.Frame.ImageBufferSize = FrameSize;
// Start the capture mode.
if (Pv.CaptureStart(Camera.Handle) == 0)
{
// Set the acquisition mode into continuous.
if (Pv.CommandRun(Camera.Handle, "AcquisitionStart") != 0)
{
// If that fails, reset the camera to non capture mode.
Pv.CaptureEnd(Camera.Handle);
return(false);
}
else
{
return(true);
}
}
else
{
return(false);
}
}
else
{
return(false);
}
}
// Setup the camera up for streaming.
static bool CameraStart()
{
UInt32 FrameSize = 0;
// Adjust packet size for optimal performance.
Pv.CaptureAdjustPacketSize(GCamera.Handle, 8228);
// Determines how big the frame buffers should be.
if (Pv.AttrUint32Get(GCamera.Handle, "TotalBytesPerFrame", ref FrameSize) == 0)
{
tFrame Frame = new tFrame();
byte[] Buffer = new byte[FrameSize];
GCHandle pBuffer = GCHandle.Alloc(Buffer, GCHandleType.Pinned);
// Set the frame's fields.
// Handle to the Camera.
Frame.Context.Field0 = new IntPtr(GCamera.Handle);
// Address of the pinned object.
Frame.ImageBuffer = pBuffer.AddrOfPinnedObject();
// Buffer size.
Frame.ImageBufferSize = FrameSize;
// Start the capture mode.
if (Pv.CaptureStart(GCamera.Handle) == 0)
{
// Set the camera in continuous acquisition mode,and in "Freerun".
if (Pv.AttrEnumSet(GCamera.Handle, "FrameStartTriggerMode", "Freerun") == 0)
{
// Set the acquisition mode into continuous.
if (Pv.CommandRun(GCamera.Handle, "AcquisitionStart") != 0)
{
// If that fails, reset the camera to non-capture mode.
Pv.CaptureEnd(GCamera.Handle);
Console.WriteLine("Failed to start.");
return(false);
}
else
{
// Pin down a copy of the frame structure.
GCHandle pFrame = GCHandle.Alloc(Frame, GCHandleType.Pinned);
// Enqueue the frame.
Pv.CaptureQueueFrame(GCamera.Handle, pFrame.AddrOfPinnedObject(), FrameCB);
return(true);
}
}
else
{
return(false);
}
}
else
{
return(false);
}
}
else
{
return(false);
}
}
// Setup the camera up for streaming.
static bool CameraStart()
{
tFrameCallback lFrameCB = new tFrameCallback(FrameDoneCB);
tCameraEventCallback lEventCB = new tCameraEventCallback(EventDone);
UInt32 FrameSize = 0;
IntPtr Context = IntPtr.Zero;
if (Pv.AttrExists(GCamera.Handle, "EventsEnable1") == tErr.eErrNotFound)
{
Console.WriteLine("This camera does not support event notifications.");
return(false);
}
// Adjust packet size for optimal performance.
Pv.CaptureAdjustPacketSize(GCamera.Handle, 8228);
// Determines how big the frame buffers should be.
if (Pv.AttrUint32Get(GCamera.Handle, "TotalBytesPerFrame", ref FrameSize) == 0)
{
tFrame Frame = new tFrame();
byte[] Buffer = new byte[FrameSize];
GCHandle pBuffer = GCHandle.Alloc(Buffer, GCHandleType.Pinned);
// Set the frame's fields.
// Handle to the Camera.
Frame.Context.Field0 = new IntPtr(GCamera.Handle);
// Address of the pinned object.
Frame.ImageBuffer = pBuffer.AddrOfPinnedObject();
// Buffer size.
Frame.ImageBufferSize = FrameSize;
// Setup the event channel.
Pv.AttrUint32Set(GCamera.Handle, "EventsEnable1", 0);
Pv.AttrEnumSet(GCamera.Handle, "EventSelector", "AcquisitionStart");
Pv.AttrEnumSet(GCamera.Handle, "EventNotification", "On");
Pv.AttrEnumSet(GCamera.Handle, "EventSelector", "AcquisitionEnd");
Pv.AttrEnumSet(GCamera.Handle, "EventNotification", "On");
Pv.AttrEnumSet(GCamera.Handle, "EventSelector", "FrameTrigger");
Pv.AttrEnumSet(GCamera.Handle, "EventNotification", "On");
if (Pv.CameraEventCallbackRegister(GCamera.Handle, lEventCB, Context) != tErr.eErrSuccess)
{
Console.WriteLine("There was an error accessing the driver.");
return(false);
}
// Start the capture mode.
if (Pv.CaptureStart(GCamera.Handle) == 0)
{
if (Pv.AttrFloat32Set(GCamera.Handle, "FrameRate", 5) == 0)
{
// Set the camera in continuous acquisition mode,and in "Freerun".
if (Pv.AttrEnumSet(GCamera.Handle, "FrameStartTriggerMode", "FixedRate") == 0)
{
// Set the acquisition mode into continuous.
if (Pv.CommandRun(GCamera.Handle, "AcquisitionStart") != 0)
{
// If that fails, reset the camera to non-capture mode.
Pv.CaptureEnd(GCamera.Handle);
Console.WriteLine("Failed to start.");
return(false);
}
else
{
// Pin down a copy of the frame structure.
GCHandle pFrame = GCHandle.Alloc(Frame, GCHandleType.Pinned);
// Enqueue the frame.
Pv.CaptureQueueFrame(GCamera.Handle, pFrame.AddrOfPinnedObject(), lFrameCB);
return(true);
}
}
else
{
return(false);
}
}
else
{
return(false);
}
}
else
{
return(false);
}
}
else
{
return(false);
}
}
public void BeginCapture(tImageFormat fmt)
{
tErr error;
if (!camera.HasValue)
{
error = tErr.eErrUnavailable;
throw new PvException(error);
}
ImageFormat.pixelformat = fmt;
error = Pv.CaptureStart(camera.Value);
if (error != tErr.eErrSuccess)
{
goto error;
}
frameBufferHandles = new GCHandle[FRAME_POOL_SIZE];
framePoolHandles = new GCHandle[FRAME_POOL_SIZE];
frames = new tFrame[FRAME_POOL_SIZE];
uint bufferSize = 0;
error = Pv.AttrUint32Get(camera.Value, "TotalBytesPerFrame", ref bufferSize);
if (error != tErr.eErrSuccess)
{
goto error;
}
for (int count = FRAME_POOL_SIZE - 1; count >= 0; count--)
{
byte[] buffer = new byte[bufferSize];
GCHandle bufferHandle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
frameBufferHandles[count] = bufferHandle;
tFrame frame = new tFrame
{
ImageBuffer = bufferHandle.AddrOfPinnedObject(),
ImageBufferSize = bufferSize,
AncillaryBufferSize = 0
};
frames[count] = frame;
GCHandle frameHandle = GCHandle.Alloc(frame, GCHandleType.Pinned);
framePoolHandles[count] = frameHandle;
IntPtr framePointer = frameHandle.AddrOfPinnedObject();
buffers.Add(framePointer, buffer);
if (!communicationManager.QueueFrame(framePointer, callback))
{
goto error;
}
}
this.FrameRate = 30;
error = Pv.AttrEnumSet(this.camera.Value, "FrameStartTriggerMode", "FixedRate");
if (error != tErr.eErrSuccess)
{
goto error;
}
error = Pv.AttrEnumSet(this.camera.Value, "AcquisitionMode", "Continuous");
if (error != tErr.eErrSuccess)
{
goto error;
}
error = Pv.CommandRun(this.camera.Value, "AcquisitionStart");
if (error != tErr.eErrSuccess)
{
goto error;
}
return;
error:
EndCapture();
throw new PvException(error);
}