void onImageRequestFailed(object sender, ImageRequestFailedEventArgs e)
{
if (e.reason == Leap.Image.RequestFailureReason.Insufficient_Buffer)
{
imagedata = new byte[e.requiredBufferSize];
}
Console.WriteLine("Image request failed: " + e.message);
}
void onImageRequestFailed(object sender, ImageRequestFailedEventArgs e)
{
if (e.reason == Leap.Image.RequestFailureReason.Insufficient_Buffer)
{
imagedata = new byte[e.requiredBufferSize];
}
// debugText.AppendText("Image request failed: " + e.message + "\n");
}
private void handleFailedImageRequest(ref LEAP_IMAGE_FRAME_REQUEST_ERROR_EVENT failed_image_evt)
{
if (_leapConnection == IntPtr.Zero)
{
return;
}
ImageFuture pendingImage = _pendingImageRequestList.FindAndRemove(failed_image_evt.token);
if (pendingImage != null)
{
pendingImage.imageData.CheckIn();
ImageRequestFailedEventArgs errorEventArgs = new ImageRequestFailedEventArgs(failed_image_evt.description.frame_id, pendingImage.imageObject.Type);
switch (failed_image_evt.error)
{
case eLeapImageRequestError.eLeapImageRequestError_InsufficientBuffer:
errorEventArgs.message = "The buffer specified for the request was too small.";
errorEventArgs.reason = Image.RequestFailureReason.Insufficient_Buffer;
if (failed_image_evt.description.type == eLeapImageType.eLeapImageType_Default && _standardImageBufferSize < failed_image_evt.required_buffer_len)
{
_standardImageBufferSize = failed_image_evt.required_buffer_len;
}
else if (failed_image_evt.description.type == eLeapImageType.eLeapImageType_Raw && _standardRawBufferSize < failed_image_evt.required_buffer_len)
{
_standardRawBufferSize = failed_image_evt.required_buffer_len;
}
break;
case eLeapImageRequestError.eLeapImageRequestError_Unavailable:
errorEventArgs.message = "The image was request too late and is no longer available.";
errorEventArgs.reason = Image.RequestFailureReason.Image_Unavailable;
break;
case eLeapImageRequestError.eLeapImageRequestError_ImagesDisabled:
errorEventArgs.message = "Images are disabled by the current configuration settings.";
errorEventArgs.reason = Image.RequestFailureReason.Images_Disabled;
break;
default:
errorEventArgs.message = "The image request failed for an undetermined reason.";
errorEventArgs.reason = Image.RequestFailureReason.Unknown_Error;
break;
}
errorEventArgs.requiredBufferSize = (long)failed_image_evt.required_buffer_len;
this.LeapImageRequestFailed.Dispatch <ImageRequestFailedEventArgs> (this, errorEventArgs);
}
_pendingImageRequestList.purgeOld(_leapConnection);
}
private void handleFailedImageRequest(ref LEAP_IMAGE_FRAME_REQUEST_ERROR_EVENT failed_image_evt)
{
ImageReference pendingImage = null;
lock (lockPendingImageList)
{
_pendingImageRequests.TryGetValue(failed_image_evt.token.requestID, out pendingImage);
}
if (pendingImage != null)
{
pendingImage.imageData.CheckIn();
lock (_pendingImageRequests)
{
_pendingImageRequests.Remove(failed_image_evt.token.requestID);
}
ImageRequestFailedEventArgs errorEventArgs = new ImageRequestFailedEventArgs(failed_image_evt.description.frame_id, pendingImage.imageObject.Type);
switch (failed_image_evt.error)
{
case eLeapImageRequestError.eLeapImageRequestError_InsufficientBuffer:
errorEventArgs.message = "The buffer specified for the request was too small.";
errorEventArgs.reason = Image.RequestFailureReason.Insufficient_Buffer;
if (failed_image_evt.description.type == eLeapImageType.eLeapImageType_Default && _standardImageBufferSize < failed_image_evt.required_buffer_len)
{
_standardImageBufferSize = failed_image_evt.required_buffer_len;
}
else if (failed_image_evt.description.type == eLeapImageType.eLeapImageType_Raw && _standardRawBufferSize < failed_image_evt.required_buffer_len)
{
_standardRawBufferSize = failed_image_evt.required_buffer_len;
}
break;
case eLeapImageRequestError.eLeapImageRequestError_Unavailable:
errorEventArgs.message = "The image was request too late and is no longer available.";
errorEventArgs.reason = Image.RequestFailureReason.Image_Unavailable;
break;
case eLeapImageRequestError.eLeapImageRequestError_ImagesDisabled:
errorEventArgs.message = "Images are disabled by the current configuration settings.";
errorEventArgs.reason = Image.RequestFailureReason.Images_Disabled;
break;
default:
errorEventArgs.message = "The image request failed for an undetermined reason.";
errorEventArgs.reason = Image.RequestFailureReason.Unknown_Error;
break;
}
errorEventArgs.requiredBufferSize = (long)failed_image_evt.required_buffer_len;
this.LeapImageRequestFailed.Dispatch <ImageRequestFailedEventArgs>(this, errorEventArgs);
}
//Purge old requests
List <UInt32> keys = new List <UInt32>(_pendingImageRequests.Keys);
ImageReference request;
long now = LeapC.GetNow();
for (int k = 0; k < keys.Count; k++)
{
request = _pendingImageRequests[keys[k]];
if ((now - request.Timestamp) > 90000)
{
lock (_pendingImageRequests)
{
_pendingImageRequests.Remove(keys[k]);
}
request.imageData.CheckIn();
}
}
}
