private void Open()
{
if (grabbing)
{
Stop();
}
try
{
deviceHandle = Pylon.CreateDeviceByIndex(deviceIndex);
imageProvider.Open(deviceHandle);
}
catch (Exception e)
{
log.Error("Could not open Basler device.");
LogError(e, imageProvider.GetLastErrorMessage());
return;
}
if (!deviceHandle.IsValid)
{
return;
}
SpecificInfo specific = summary.Specific as SpecificInfo;
if (specific == null)
{
return;
}
// Store the handle into the specific info so that we can retrieve device informations from the configuration dialog.
specific.Handle = deviceHandle;
GenApiEnum currentStreamFormat = PylonHelper.ReadEnumCurrentValue(deviceHandle, "PixelFormat");
if (!string.IsNullOrEmpty(specific.StreamFormat) && specific.StreamFormat != currentStreamFormat.Symbol)
{
PylonHelper.WriteEnum(deviceHandle, "PixelFormat", specific.StreamFormat);
}
// The bayer conversion mode will be set during Prepare().
if (firstOpen)
{
// Restore camera parameters from the XML blurb.
// Regular properties, including image size.
// First we read the current properties from the API to get fully formed properties.
// We merge the values saved in the XML into the properties.
// (The restoration from the XML doesn't create fully formed properties, it just contains the values).
// Then commit the properties to the camera.
Dictionary <string, CameraProperty> cameraProperties = CameraPropertyManager.Read(deviceHandle, summary.Identifier);
CameraPropertyManager.MergeProperties(cameraProperties, specific.CameraProperties);
specific.CameraProperties = cameraProperties;
CameraPropertyManager.WriteCriticalProperties(deviceHandle, specific.CameraProperties);
}
else
{
CameraPropertyManager.WriteCriticalProperties(deviceHandle, specific.CameraProperties);
}
}
private void PopulateStreamFormat()
{
lblColorSpace.Text = CameraLang.FormConfiguration_Properties_StreamFormat;
bool readable = Pylon.DeviceFeatureIsReadable(deviceHandle, "PixelFormat");
if (!readable)
{
cmbFormat.Enabled = false;
return;
}
string currentValue = Pylon.DeviceFeatureToString(deviceHandle, "PixelFormat");
List <GenApiEnum> streamFormats = PylonHelper.ReadEnum(deviceHandle, "PixelFormat");
if (streamFormats == null)
{
cmbFormat.Enabled = false;
return;
}
foreach (GenApiEnum streamFormat in streamFormats)
{
cmbFormat.Items.Add(streamFormat);
if (currentValue == streamFormat.Symbol)
{
selectedStreamFormat = streamFormat;
cmbFormat.SelectedIndex = cmbFormat.Items.Count - 1;
}
}
}
private void PopulateStreamFormat()
{
bool readable = Pylon.DeviceFeatureIsReadable(deviceHandle, "PixelFormat");
if (!readable)
{
cmbFormat.Enabled = false;
return;
}
string currentValue = Pylon.DeviceFeatureToString(deviceHandle, "PixelFormat");
List <StreamFormat> streamFormats = PylonHelper.GetSupportedStreamFormats(deviceHandle);
if (streamFormats == null)
{
cmbFormat.Enabled = false;
return;
}
foreach (StreamFormat streamFormat in streamFormats)
{
cmbFormat.Items.Add(streamFormat);
if (currentValue == streamFormat.Symbol)
{
selectedStreamFormat = streamFormat;
cmbFormat.SelectedIndex = cmbFormat.Items.Count - 1;
}
}
}
private void SetBayerComboVisibility()
{
EPylonPixelType pixelType = Pylon.PixelTypeFromString(selectedStreamFormat.Symbol);
bool isBayer8 = PylonHelper.IsBayer8(pixelType);
cmbBayer8Conversion.Enabled = isBayer8;
lblBayerConversion.Enabled = isBayer8;
}
private void Populate()
{
try
{
PopulateStreamFormat();
PopulateCameraControls();
}
catch
{
log.ErrorFormat(PylonHelper.GetLastError());
}
}
private void Populate(SpecificInfo specific)
{
try
{
PopulateStreamFormat();
PopulateBayerConversion();
PopulateCameraControls();
}
catch
{
log.ErrorFormat(PylonHelper.GetLastError());
}
}
private void cmbBayerConversion_SelectedIndexChanged(object sender, EventArgs e)
{
EPylonPixelType pixelType = Pylon.PixelTypeFromString(selectedStreamFormat.Symbol);
bool isBayer8 = PylonHelper.IsBayer8(pixelType);
Bayer8Conversion selected = (Bayer8Conversion)cmbBayer8Conversion.SelectedIndex;
if (selected == bayer8Conversion)
{
return;
}
bayer8Conversion = (Bayer8Conversion)cmbBayer8Conversion.SelectedIndex;
specificChanged = true;
}
private static void ReadGain(PYLON_DEVICE_HANDLE deviceHandle, Dictionary <string, CameraProperty> properties)
{
CameraProperty prop = ReadFloatProperty(deviceHandle, "Gain");
if (!prop.Supported)
{
prop = ReadIntegerProperty(deviceHandle, "GainRaw");
}
prop.CanBeAutomatic = true;
prop.AutomaticIdentifier = "GainAuto";
GenApiEnum auto = PylonHelper.ReadEnumCurrentValue(deviceHandle, prop.AutomaticIdentifier);
prop.Automatic = auto != null && auto.Symbol == "Continuous";
properties.Add("gain", prop);
}
public override string GetSummaryAsText(CameraSummary summary)
{
string result = "";
string alias = summary.Alias;
SpecificInfo info = summary.Specific as SpecificInfo;
try
{
if (info != null &&
info.StreamFormat != null &&
info.CameraProperties.ContainsKey("width") &&
info.CameraProperties.ContainsKey("height") &&
info.CameraProperties.ContainsKey("framerate"))
{
string format = info.StreamFormat;
int width = int.Parse(info.CameraProperties["width"].CurrentValue, CultureInfo.InvariantCulture);
int height = int.Parse(info.CameraProperties["height"].CurrentValue, CultureInfo.InvariantCulture);
double framerate = 0;
// The configured framerate is always between 0 and 100 000, but the actual resulting framerate can be obtained.
if (info.Handle != null && info.Handle.IsValid)
{
framerate = PylonHelper.GetResultingFramerate(info.Handle);
}
else
{
framerate = double.Parse(info.CameraProperties["framerate"].CurrentValue, CultureInfo.InvariantCulture);
}
result = string.Format("{0} - {1}×{2} @ {3:0.##} fps ({4}).", alias, width, height, framerate, format);
}
else
{
result = string.Format("{0}", alias);
}
}
catch
{
result = string.Format("{0}", alias);
}
return(result);
}
private void Populate()
{
try
{
PopulateStreamFormat();
PopulateBayerConversion();
PopulateCameraControls();
}
catch
{
string error = PylonHelper.GetLastError();
if (string.IsNullOrEmpty(error))
{
error = "Unknown";
}
log.ErrorFormat("Error while populating configuration options. Pylon error: {0}", error);
}
}
private void UpdateResultingFramerate()
{
float resultingFramerate = PylonHelper.GetResultingFramerate(deviceHandle);
lblResultingFramerateValue.Text = string.Format("{0:0.##}", resultingFramerate);
bool discrepancy = false;
if (cameraProperties.ContainsKey("framerate") && cameraProperties["framerate"].Supported)
{
float framerate;
bool parsed = float.TryParse(cameraProperties["framerate"].CurrentValue, NumberStyles.Any, CultureInfo.InvariantCulture, out framerate);
if (parsed && Math.Abs(framerate - resultingFramerate) > 1)
{
discrepancy = true;
}
}
lblResultingFramerateValue.ForeColor = discrepancy ? Color.Red : Color.Black;
}
private static void ReadExposure(PYLON_DEVICE_HANDLE deviceHandle, string deviceClass, Dictionary <string, CameraProperty> properties)
{
CameraProperty prop = null;
if (deviceClass == "BaslerUsb")
{
prop = ReadFloatProperty(deviceHandle, "ExposureTime");
}
else
{
prop = ReadFloatProperty(deviceHandle, "ExposureTimeAbs");
}
prop.CanBeAutomatic = true;
prop.AutomaticIdentifier = "ExposureAuto";
GenApiEnum auto = PylonHelper.ReadEnumCurrentValue(deviceHandle, prop.AutomaticIdentifier);
prop.Automatic = auto.Symbol == "Continuous";
properties.Add("exposure", prop);
}
/// <summary>
/// Takes a boolean of whether auto is ON or OFF, convert it to the correct representation and write it in the auto property.
/// </summary>
private static void WriteAuto(NODE_HANDLE nodeHandle, string identifier, bool isAuto)
{
string newValue = isAuto ? GetAutoTrue(identifier) : GetAutoFalse(identifier);
switch (identifier)
{
case "AcquisitionFrameRateEnable":
{
bool newValueBool = bool.Parse(newValue);
GenApi.BooleanSetValue(nodeHandle, newValueBool);
break;
}
case "GainAuto":
case "ExposureAuto":
default:
{
PylonHelper.WriteEnum(nodeHandle, identifier, newValue);
break;
}
}
}
private static void ReadGain(PYLON_DEVICE_HANDLE deviceHandle, Dictionary <string, CameraProperty> properties)
{
CameraProperty p = ReadFloatProperty(deviceHandle, "Gain");
if (!p.Supported)
{
p = ReadIntegerProperty(deviceHandle, "GainRaw", null);
}
string autoIdentifier = "GainAuto";
p.AutomaticIdentifier = autoIdentifier;
GenApiEnum auto = PylonHelper.ReadEnumCurrentValue(deviceHandle, p.AutomaticIdentifier);
p.CanBeAutomatic = auto != null;
p.Automatic = false;
if (p.CanBeAutomatic && !string.IsNullOrEmpty(auto.Symbol))
{
p.Automatic = auto.Symbol == GetAutoTrue(autoIdentifier);
}
properties.Add("gain", p);
}
public static void Write(PYLON_DEVICE_HANDLE deviceHandle, CameraProperty property)
{
if (!property.Supported || string.IsNullOrEmpty(property.Identifier) || !deviceHandle.IsValid)
{
return;
}
// If "auto" flag is OFF we should write it first. On some cameras the value is not writable until the corresponding auto flag is off.
// If it's ON (continuous), it doesn't matter as our value will be overwritten soon anyway.
if (!string.IsNullOrEmpty(property.AutomaticIdentifier))
{
string enumValue = property.Automatic ? "Continuous" : "Off";
PylonHelper.WriteEnum(deviceHandle, property.AutomaticIdentifier, enumValue);
}
NODEMAP_HANDLE nodeMapHandle = Pylon.DeviceGetNodeMap(deviceHandle);
NODE_HANDLE nodeHandle = GenApi.NodeMapGetNode(nodeMapHandle, property.Identifier);
if (!nodeHandle.IsValid)
{
return;
}
EGenApiAccessMode accessMode = GenApi.NodeGetAccessMode(nodeHandle);
if (accessMode != EGenApiAccessMode.RW)
{
if (!string.IsNullOrEmpty(property.AutomaticIdentifier) && !property.Automatic)
{
log.ErrorFormat("Error while writing Basler Pylon GenICam property {0}.", property.Identifier);
log.ErrorFormat("The property is not writable.");
}
return;
}
try
{
switch (property.Type)
{
case CameraPropertyType.Integer:
{
long value = long.Parse(property.CurrentValue, CultureInfo.InvariantCulture);
long step = long.Parse(property.Step, CultureInfo.InvariantCulture);
long remainder = value % step;
if (remainder > 0)
{
value = value - remainder;
}
GenApi.IntegerSetValue(nodeHandle, value);
break;
}
case CameraPropertyType.Float:
{
double max = GenApi.FloatGetMax(nodeHandle);
double min = GenApi.FloatGetMin(nodeHandle);
double value = double.Parse(property.CurrentValue, CultureInfo.InvariantCulture);
value = Math.Min(Math.Max(value, min), max);
GenApi.FloatSetValue(nodeHandle, value);
break;
}
case CameraPropertyType.Boolean:
{
bool value = bool.Parse(property.CurrentValue);
GenApi.BooleanSetValue(nodeHandle, value);
break;
}
default:
break;
}
}
catch
{
log.ErrorFormat("Error while writing Basler Pylon GenICam property {0}.", property.Identifier);
}
}
/// <summary>
/// Configure device and report frame format that will be used during streaming.
/// This method must return a proper ImageDescriptor so we can pre-allocate buffers.
/// </summary>
public ImageDescriptor Prepare()
{
Open();
if (deviceHandle == null || !deviceHandle.IsValid)
{
return(ImageDescriptor.Invalid);
}
firstOpen = false;
// Get the configured framerate for recording support.
resultingFramerate = PylonHelper.GetResultingFramerate(deviceHandle);
SpecificInfo specific = summary.Specific as SpecificInfo;
string streamFormatSymbol = specific.StreamFormat;
bool hasWidth = Pylon.DeviceFeatureIsReadable(deviceHandle, "Width");
bool hasHeight = Pylon.DeviceFeatureIsReadable(deviceHandle, "Height");
bool hasPixelFormat = Pylon.DeviceFeatureIsReadable(deviceHandle, "PixelFormat");
bool canComputeImageDescriptor = hasWidth && hasHeight && hasPixelFormat;
if (!canComputeImageDescriptor)
{
return(ImageDescriptor.Invalid);
}
int width = (int)Pylon.DeviceGetIntegerFeature(deviceHandle, "Width");
int height = (int)Pylon.DeviceGetIntegerFeature(deviceHandle, "Height");
string pixelFormat = Pylon.DeviceFeatureToString(deviceHandle, "PixelFormat");
EPylonPixelType pixelType = Pylon.PixelTypeFromString(pixelFormat);
if (pixelType == EPylonPixelType.PixelType_Undefined)
{
return(ImageDescriptor.Invalid);
}
// Note: the image provider will perform the Bayer conversion itself and only output two formats.
// - Y800 for anything monochrome.
// - RGB32 for anything color.
imageProvider.SetDebayering(specific.Bayer8Conversion);
bool isBayer = Pylon.IsBayer(pixelType);
bool isBayer8 = PylonHelper.IsBayer8(pixelType);
bool bayerColor = (isBayer && !isBayer8) || (isBayer8 && specific.Bayer8Conversion == Bayer8Conversion.Color);
bool color = !Pylon.IsMono(pixelType) || bayerColor;
ImageFormat format = color ? ImageFormat.RGB32 : ImageFormat.Y800;
finishline.Prepare(width, height, format, resultingFramerate);
if (finishline.Enabled)
{
height = finishline.Height;
resultingFramerate = finishline.ResultingFramerate;
}
int bufferSize = ImageFormatHelper.ComputeBufferSize(width, height, format);
bool topDown = true;
return(new ImageDescriptor(format, width, height, topDown, bufferSize));
}
private void Open()
{
// Unlike in the DirectShow module, we do not backup and restore camera configuration.
// If the user configured the camera outside of Kinovea we respect the new settings.
// Two reasons:
// 1. In DirectShow we must do the backup/restore to work around drivers that inadvertently reset the camera properties.
// 2. Industrial cameras have many properties that won't be configurable in Kinovea
// so the user is more likely to configure the camera from the outside.
if (grabbing)
{
Stop();
}
try
{
deviceHandle = Pylon.CreateDeviceByIndex(deviceIndex);
imageProvider.Open(deviceHandle);
}
catch (Exception e)
{
log.Error("Could not open Basler device.");
LogError(e, imageProvider.GetLastErrorMessage());
return;
}
if (!deviceHandle.IsValid)
{
return;
}
SpecificInfo specific = summary.Specific as SpecificInfo;
if (specific == null)
{
return;
}
// Store the handle into the specific info so that we can retrieve device informations from the configuration dialog.
specific.Handle = deviceHandle;
GenApiEnum currentStreamFormat = PylonHelper.ReadEnumCurrentValue(deviceHandle, "PixelFormat");
// Some properties can only be changed when the camera is opened but not streaming.
// We store them in the summary when coming back from FormConfiguration, and we write them to the camera here.
// Only do this if it's not the first time we open the camera, to respect any change that could have been done outside Kinovea.
if (!firstOpen)
{
if (specific.StreamFormat != currentStreamFormat.Symbol)
{
PylonHelper.WriteEnum(deviceHandle, "PixelFormat", specific.StreamFormat);
}
if (specific.CameraProperties != null && specific.CameraProperties.ContainsKey("framerate"))
{
if (specific.CameraProperties.ContainsKey("enableFramerate") && specific.CameraProperties["enableFramerate"].Supported)
{
bool enabled = bool.Parse(specific.CameraProperties["enableFramerate"].CurrentValue);
if (!enabled && !specific.CameraProperties["enableFramerate"].ReadOnly)
{
specific.CameraProperties["enableFramerate"].CurrentValue = "true";
CameraPropertyManager.Write(deviceHandle, specific.CameraProperties["enableFramerate"]);
}
}
CameraPropertyManager.Write(deviceHandle, specific.CameraProperties["framerate"]);
}
if (specific.CameraProperties != null && specific.CameraProperties.ContainsKey("width") && specific.CameraProperties.ContainsKey("height"))
{
CameraPropertyManager.Write(deviceHandle, specific.CameraProperties["width"]);
CameraPropertyManager.Write(deviceHandle, specific.CameraProperties["height"]);
}
}
else
{
specific.StreamFormat = currentStreamFormat.Symbol;
}
}
