/// <summary>
/// Call to attempt uploading the last calculated calibration data to a connected HoloLens device.
/// </summary>
public void UploadCalibrationData()
{
uploadResultMessage = string.Empty;
if (lastCalibration == null)
{
Debug.LogWarning("Calibration isn't currently loaded, failed to upload calibration data");
return;
}
if (holographicCameraObserver != null &&
holographicCameraObserver.IsConnected)
{
using (MemoryStream memoryStream = new MemoryStream())
using (BinaryWriter writer = new BinaryWriter(memoryStream))
{
writer.Write(HeadsetCalibration.UploadCalibrationCommandHeader);
var payload = lastCalibration.Serialize();
writer.Write(payload.Length);
writer.Write(payload);
writer.Flush();
holographicCameraObserver.Broadcast(memoryStream.ToArray());
Debug.Log("Sent calibration data to the hololens device.");
}
}
else
{
Debug.LogWarning("HolographicCameraObserver isn't setup correctly, failed to request headset data.");
}
}
public static string SaveCameraCalibration(CalculatedCameraCalibration calibration)
{
string path = Path.Combine(GetDocumentsFolderPath(), RootDirectoryName, $"CalibrationData.json");
int i = 0;
while (File.Exists(path))
{
path = Path.Combine(GetDocumentsFolderPath(), RootDirectoryName, $"CalibrationData_{i}.json");
i++;
}
var payload = calibration.Serialize();
File.WriteAllBytes(path, payload);
return(path);
}
private void SendCalibrationData()
{
if (UnityCompositorInterface.IsCameraCalibrationInformationAvailable())
{
UnityCompositorInterface.GetCameraCalibrationInformation(out CompositorCameraIntrinsics compositorIntrinsics);
CalculatedCameraCalibration calibration = new CalculatedCameraCalibration(compositorIntrinsics.AsCalculatedCameraIntrinsics(), new CalculatedCameraExtrinsics());
byte[] serializedCalibration = calibration.Serialize();
using (MemoryStream memoryStream = new MemoryStream())
using (BinaryWriter message = new BinaryWriter(memoryStream))
{
message.Write("CalibrationData");
message.Write(serializedCalibration.Length);
message.Write(serializedCalibration);
memoryStream.TryGetBuffer(out var buffer);
networkManager.Broadcast(buffer.Array, buffer.Offset, buffer.Count);
}
}
else
{
Debug.LogError($"Expected that calibration data should be available when the {nameof(StationaryCameraCalibrationDataProvider)} component is enabled, but calibration data was not available");
}
}