void _liveviewtimer_Elapsed(object sender, ElapsedEventArgs e)
{
if (_oper_in_progress)
{
return;
}
_oper_in_progress = true;
try
{
if (!Freeze)
{
LiveViewData = LiveViewManager.GetLiveViewImage(CameraDevice);
}
Dispatcher.Invoke(new Action(DisplayLiveView));
}
catch (Exception exception)
{
Log.Debug("Error get live view data *Astro ", exception);
}
_oper_in_progress = false;
}
private void GetLiveImage()
{
if (oper_in_progress)
{
return;
}
oper_in_progress = true;
_totalframes++;
try
{
LiveViewData = LiveViewManager.GetLiveViewImage(SelectedPortableDevice);
}
catch (Exception)
{
_retries++;
oper_in_progress = false;
return;
}
if (LiveViewData == null || LiveViewData.ImageData == null)
{
_retries++;
oper_in_progress = false;
return;
}
Dispatcher.Invoke(new Action(delegate
{
try
{
WriteableBitmap preview;
if (LiveViewData != null && LiveViewData.ImageData != null)
{
MemoryStream stream = new MemoryStream(LiveViewData.ImageData,
LiveViewData.ImagePosition,
LiveViewData.ImageData.Length -
LiveViewData.ImagePosition);
using (var bmp = new Bitmap(stream))
{
preview =
BitmapFactory.ConvertToPbgra32Format(
BitmapSourceConvert.ToBitmapSource(bmp));
Bitmap newbmp = bmp;
WriteableBitmap writeableBitmap;
writeableBitmap =
BitmapFactory.ConvertToPbgra32Format(
BitmapSourceConvert.ToBitmapSource(newbmp));
//DrawGrid(writeableBitmap);
writeableBitmap.Freeze();
image1.BeginInit();
image1.Source = writeableBitmap;
image1.EndInit();
}
stream.Close();
}
}
catch (Exception exception)
{
Log.Error(exception);
_retries++;
oper_in_progress = false;
}
}));
_retries = 0;
oper_in_progress = false;
}