private void StartLiveViewThread()
{
try
{
_totalframes = 0;
_framestart = DateTime.Now;
bool retry = false;
int retryNum = 0;
Log.Debug("LiveView: Liveview started");
do
{
try
{
LiveViewManager.StartLiveView(SelectedPortableDevice);
}
catch (DeviceException deviceException)
{
Dispatcher.Invoke(new Action(delegate { grid_wait.Visibility = Visibility.Visible; }));
if (deviceException.ErrorCode == ErrorCodes.ERROR_BUSY ||
deviceException.ErrorCode == ErrorCodes.MTP_Device_Busy)
{
Thread.Sleep(200);
if (!IsVisible)
{
break;
}
Log.Debug("Retry live view :" + deviceException.ErrorCode.ToString("X"));
retry = true;
retryNum++;
}
else
{
throw;
}
}
} while (retry && retryNum < 35);
if (IsVisible)
{
_timer.Start();
oper_in_progress = false;
_retries = 0;
Log.Debug("LiveView: Liveview start done");
}
}
catch (Exception exception)
{
Log.Error("Unable to start liveview !", exception);
StaticHelper.Instance.SystemMessage = "Unable to start liveview ! " + exception.Message;
//MessageBox.Show("Unable to start liveview !");
//ServiceProvider.WindowsManager.ExecuteCommand(WindowsCmdConsts.LiveViewWnd_Hide);
}
Dispatcher.BeginInvoke(new Action(delegate { grid_wait.Visibility = Visibility.Hidden; }));
Dispatcher.BeginInvoke(new Action(delegate { image1.Visibility = Visibility.Visible; }));
}
private void StartLiveViewThread()
{
try
{
bool retry = false;
int retryNum = 0;
Log.Debug("LiveView: Liveview started");
do
{
try
{
LiveViewManager.StartLiveView(CameraDevice);
}
catch (DeviceException deviceException)
{
if (deviceException.ErrorCode == ErrorCodes.ERROR_BUSY ||
deviceException.ErrorCode == ErrorCodes.MTP_Device_Busy)
{
Thread.Sleep(200);
if (!IsVisible)
{
break;
}
Log.Debug("Retry live view :" + deviceException.ErrorCode.ToString("X"));
retry = true;
retryNum++;
}
else
{
throw;
}
}
} while (retry && retryNum < 35);
if (IsVisible)
{
_oper_in_progress = false;
_liveviewtimer.Start();
Log.Debug("LiveView: Liveview start done");
}
}
catch (Exception exception)
{
Log.Error("Unable to start liveview !", exception);
StaticHelper.Instance.SystemMessage = "Unable to start liveview ! " + exception.Message;
//MessageBox.Show("Unable to start liveview !");
//ServiceProvider.WindowsManager.ExecuteCommand(WindowsCmdConsts.LiveViewWnd_Hide);
}
}
private void StopLiveViewThread()
{
try
{
_totalframes = 0;
_framestart = DateTime.Now;
bool retry = false;
int retryNum = 0;
Log.Debug("LiveView: Liveview stopping");
do
{
try
{
LiveViewManager.StopLiveView(SelectedPortableDevice);
}
catch (DeviceException deviceException)
{
Dispatcher.Invoke(new Action(delegate { grid_wait.Visibility = Visibility.Visible; }));
if (deviceException.ErrorCode == ErrorCodes.ERROR_BUSY ||
deviceException.ErrorCode == ErrorCodes.MTP_Device_Busy)
{
Thread.Sleep(500);
Log.Debug("Retry live view stop:" + deviceException.ErrorCode.ToString("X"));
retry = true;
retryNum++;
}
else
{
throw;
}
}
} while (retry && retryNum < 35);
}
catch (Exception exception)
{
Log.Error("Unable to stop liveview !", exception);
StaticHelper.Instance.SystemMessage = "Unable to stop liveview ! " + exception.Message;
}
Dispatcher.Invoke(new Action(delegate { grid_wait.Visibility = Visibility.Hidden; }));
Dispatcher.Invoke(new Action(delegate { image1.Visibility = Visibility.Hidden; }));
}
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 StopLiveViewThread()
{
try
{
bool retry = false;
int retryNum = 0;
Log.Debug("LiveView: Liveview stopping");
do
{
try
{
LiveViewManager.StopLiveView(CameraDevice);
}
catch (DeviceException deviceException)
{
if (deviceException.ErrorCode == ErrorCodes.ERROR_BUSY ||
deviceException.ErrorCode == ErrorCodes.MTP_Device_Busy)
{
Thread.Sleep(500);
Log.Debug("Retry live view stop:" + deviceException.ErrorCode.ToString("X"));
retry = true;
retryNum++;
}
else
{
throw;
}
}
} while (retry && retryNum < 35);
}
catch (Exception exception)
{
Log.Error("Unable to stop liveview !", exception);
StaticHelper.Instance.SystemMessage = "Unable to stop liveview ! " + exception.Message;
}
}
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;
}