public void ShowProperties()
{
lock (startLocker)
{
if (reader == null || reader.IsDisposed)
{
try
{
newSourceReader();
}
catch (Exception ex)
{
SharpDX.Utilities.Dispose(ref reader);
if (OnWorkerException == null)
{
throw ex;
}
OnWorkerException.Invoke(this, new ExceptionEventArgs(ex, ex.Message));
return;
}
}
if (settingsForm == null || settingsForm.IsDisposed)
{
UpdatePropertiesCache();
settingsForm = new MF_CameraPropertiesForm(deviceName, getNativeMediaTypesAsStrings(), AMproperties);
settingsForm.SelectedMediaType = MediaTypeID;
settingsForm.Transform = OutputTransform;
settingsForm.OnTransformChanged += SettingsForm_OnTransformChanged;
settingsForm.OnPropertyChanged += SettingsForm_OnPropertyChanged;
settingsForm.OnSourceReaderChanged += SettingsForm_OnSourceReaderChanged;
settingsForm.SetReaderCheckBoxes(EnableAdvancedVideoProcessing, EnableHardwareTransform);
}
}
settingsForm.Show();
settingsForm.BringToFront();
}
private async void startSamplerTask()
{
kickstartEvent.Set();
try
{
lock (startLocker)
{
if (samplerTask?.Status == TaskStatus.Running)
{
return;
}
if (WantToConfigureReader || reader == null || reader.IsDisposed)
{
newSourceReader();
WantToConfigureReader = false;
WantToChangeMediaType = true;
}
samplerTask?.Dispose();
cancelTokenSource?.Dispose();
cancelTokenSource = new CancellationTokenSource();
samplerTask = new Task(samplerProc, cancelTokenSource.Token);
samplerTask.Start();
}
//Sampler Task should eventually be awaited so that exceptions that may have been thrown can be handled
await samplerTask;
}
catch (Exception ex)
{
if (OnWorkerException == null)
{
throw ex;
}
OnWorkerException?.Invoke(this, new ExceptionEventArgs(ex, ex.Message));
}
}