private void cpvCameraControl_ValueChanged(object sender, EventArgs e)
{
AbstractCameraPropertyView control = sender as AbstractCameraPropertyView;
if (control == null)
{
return;
}
string key = control.Tag as string;
if (string.IsNullOrEmpty(key) || !cameraProperties.ContainsKey(key))
{
return;
}
CameraPropertyManager.Write(deviceHandle, cameraProperties[key]);
UpdateResultingFramerate();
specificChanged = true;
}
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;
}
}