public Model()
{
_objects = new ObservableCollection <ObjectModel>();
_managers = new List <NikonManager>();
string[] md3s = Directory.GetFiles(Directory.GetCurrentDirectory(), "*.md3", SearchOption.AllDirectories);
if (md3s.Length == 0)
{
Log.GetInstance().WriteLine("Couldn't find any MD3 files in " + Directory.GetCurrentDirectory());
Log.GetInstance().WriteLine("Download MD3 files from Nikons SDK website: https://sdk.nikonimaging.com/apply/");
}
foreach (string md3 in md3s)
{
const string requiredDllFile = "NkdPTP.dll";
string requiredDllPath = Path.Combine(Path.GetDirectoryName(md3), requiredDllFile);
if (!File.Exists(requiredDllPath))
{
Log.GetInstance().WriteLine("Warning: Couldn't find " + requiredDllFile + " in " + Path.GetDirectoryName(md3) + ". The library will not work properly without it!");
}
Log.GetInstance().WriteLine("Opening " + md3);
NikonManager manager = new NikonManager(md3);
manager.DeviceAdded += new DeviceAddedDelegate(_manager_DeviceAdded);
manager.DeviceRemoved += new DeviceRemovedDelegate(_manager_DeviceRemoved);
_objects.Add(new ObjectModel(manager));
_managers.Add(manager);
}
}
public void Start()
{
try
{
_object.Start(_cap.ulID);
}
catch (NikonException ex)
{
Log.GetInstance().WriteLine("Failed to start " + _cap.ulID.ToString() + ", " + ex.ToString());
}
}
public void StartLiveView()
{
try
{
NikonDevice device = _object as NikonDevice;
if (device != null)
{
device.LiveViewEnabled = true;
_timer.Start();
}
}
catch (NikonException ex)
{
Log.GetInstance().WriteLine("Failed to start live view: " + ex.ToString());
}
}
void _timer_Tick(object sender, EventArgs e)
{
NikonDevice device = _object as NikonDevice;
Debug.Assert(device != null);
NikonLiveViewImage liveViewImage = null;
try
{
liveViewImage = device.GetLiveViewImage();
}
catch (NikonException ex)
{
Log.GetInstance().WriteLine("Failed to get live view image: " + ex.ToString());
}
if (liveViewImage == null)
{
_timer.Stop();
return;
}
// Note: Decode the live view jpeg image on a seperate thread to keep the UI responsive
ThreadPool.QueueUserWorkItem(new WaitCallback((o) =>
{
Debug.Assert(liveViewImage != null);
JpegBitmapDecoder decoder = new JpegBitmapDecoder(
new MemoryStream(liveViewImage.JpegBuffer),
BitmapCreateOptions.None,
BitmapCacheOption.OnLoad);
Debug.Assert(decoder.Frames.Count > 0);
BitmapFrame frame = decoder.Frames[0];
Dispatcher.CurrentDispatcher.Invoke((Action)(() =>
{
SetLiveViewImage(frame);
}));
}));
}
public void StopLiveView()
{
try
{
NikonDevice device = _object as NikonDevice;
if (device != null)
{
_timer.Stop();
device.LiveViewEnabled = false;
SetLiveViewImage(null);
}
}
catch (NikonException ex)
{
Log.GetInstance().WriteLine("Failed to stop live view: " + ex.ToString());
}
}
void Save(byte[] buffer, string file)
{
string path = Path.Combine(
System.Environment.GetFolderPath(Environment.SpecialFolder.MyPictures),
file);
Log.GetInstance().WriteLine("Saving: " + path);
try
{
using (FileStream stream = new FileStream(path, FileMode.Create, FileAccess.Write))
{
stream.Write(buffer, 0, buffer.Length);
}
}
catch (Exception ex)
{
Log.GetInstance().WriteLine("Failed to save file: " + path + ", " + ex.Message);
}
}
void device_VideoFragmentReady(NikonDevice sender, NikonVideoFragment fragment)
{
string path = Path.Combine(System.Environment.GetFolderPath(Environment.SpecialFolder.MyVideos), fragment.Filename);
if (fragment.IsFirst)
{
Debug.Assert(_videoFile == null);
_videoFile = new FileStream(path, FileMode.Create, FileAccess.Write);
Log.GetInstance().WriteLine("Downloading Video...");
}
Log.GetInstance().WriteLine(fragment.PercentComplete.ToString(".0") + "%");
Debug.Assert(_videoFile != null);
_videoFile.Write(fragment.Buffer, 0, fragment.Buffer.Length);
if (fragment.IsLast)
{
_videoFile.Close();
_videoFile = null;
Log.GetInstance().WriteLine("Saved Video: " + path + " (" + fragment.VideoWidth + "x" + fragment.VideoHeight + ")");
}
}
public LogModel()
{
_log = Log.GetInstance();
_log.LogChanged += new LogChangedDelegate(_log_LogChanged);
}
void device_VideoRecordingInterrupted(NikonDevice sender, int error)
{
Log.GetInstance().WriteLine("Video Recording Interrupted (" + error.ToString() + ")");
}
