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 cmbFormat_SelectedIndexChanged(object sender, EventArgs e)
{
StreamFormat selected = cmbFormat.SelectedItem as StreamFormat;
if (selected == null || selectedStreamFormat.Symbol == selected.Symbol)
{
return;
}
selectedStreamFormat = selected;
specificChanged = true;
}
public static StreamFormat GetCurrentStreamFormat(PYLON_DEVICE_HANDLE deviceHandle)
{
StreamFormat sf = null;
string enumerationName = "PixelFormat";
NODEMAP_HANDLE nodeMapHandle = Pylon.DeviceGetNodeMap(deviceHandle);
NODE_HANDLE nodeHandle = GenApi.NodeMapGetNode(nodeMapHandle, enumerationName);
if (!nodeHandle.IsValid)
{
return(null);
}
string selected = GenApi.NodeToString(nodeHandle);
uint itemCount = GenApi.EnumerationGetNumEntries(nodeHandle);
for (uint i = 0; i < itemCount; i++)
{
NODE_HANDLE entryHandle = GenApi.EnumerationGetEntryByIndex(nodeHandle, i);
string symbol = GenApi.EnumerationEntryGetSymbolic(entryHandle);
if (selected != symbol)
{
continue;
}
if (!GenApi.NodeIsAvailable(entryHandle))
{
continue;
}
string displayName = GenApi.NodeGetDisplayName(entryHandle);
sf = new StreamFormat(symbol, displayName);
break;
}
return(sf);
}
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)
{
SpecificInfo specific = summary.Specific as SpecificInfo;
if (specific == null)
{
return;
}
specific.Handle = deviceHandle;
StreamFormat currentStreamFormat = PylonHelper.GetCurrentStreamFormat(deviceHandle);
// 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.WriteStreamFormat(deviceHandle, specific.StreamFormat);
}
if (specific.CameraProperties != null && specific.CameraProperties.ContainsKey("framerate"))
{
if (specific.CameraProperties.ContainsKey("enableFramerate"))
{
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;
}
}
}
