public static string GetFacePath(Frame frame, DateTime timeStamp, int sequence)
{
string folderFace = FileSystemStorage.FolderForFaces(frame.cameraID, timeStamp);
string faceFileName = FileSystemStorage.GetFaceFileName(frame.GetFileName(), sequence);
string facePath = Path.Combine(folderFace, faceFileName);
return facePath;
}
public static bool PreProcessFrame(Frame frame, ref Frame lastFrame)
{
OpenCvSharp.IplImage ipl = new OpenCvSharp.IplImage(frame.image);
ipl.IsEnabledDispose = false;
lastFrame = frame;
lastFrame.searchRect = new CvRect(0, 0, ipl.Width, ipl.Height);
return true;
}
public static void SaveFrame(Frame frame)
{
IplImage ipl = new IplImage(frame.image);
ipl.IsEnabledDispose = false;
string path = frame.GetFileName();
DateTime dt = DateTime.FromBinary(frame.timeStamp);
string root = Path.Combine(Properties.Settings.Default.OutputPath,
frame.cameraID.ToString("d2"));
string folder = FileSystemStorage.BuildDestDirectory(root, dt, Properties.Settings.Default.BigImageDirectoryName);
if (!Directory.Exists(folder))
{
Directory.CreateDirectory(folder);
}
path = Path.Combine(folder, path);
ipl.SaveImage(path);
}
public static extern bool PreProcessFrame(Frame frame, ref Frame lastFrame);
public static void SaveFrame(Frame frame)
{
IplImage ipl = frame.image;
ipl.IsEnabledDispose = false;
string path = frame.GetFileName();
DateTime dt = DateTime.FromBinary(frame.timeStamp);
string root = RootStoragePathForCamera(frame.cameraID);
string folder = BuildBigImgPath(root, dt);
if (!Directory.Exists(folder))
{
Directory.CreateDirectory(folder);
}
path = Path.Combine(folder, path);
ipl.SaveImage(path);
}
public static string PathForFaceImage(Frame frame, int sequence)
{
DateTime dt = DateTime.FromBinary(frame.timeStamp);
string folderFace = FileSystemStorage.EnsureFolderForFacesAt(frame.cameraID, dt);
string faceFileName = FileSystemStorage.FaceImageFileNameOf(frame.GetFileName(), sequence);
string facePath = Path.Combine(folderFace, faceFileName);
return facePath;
}
public List<Portrait> ProcessFrame(Frame motionFrame, System.Threading.CancellationToken cancellationToken)
{
_cancellationToken = cancellationToken;
var portraits = HandleMotionFrame(motionFrame);
return portraits;
}
public List<Portrait> HandleMotionFrame(Frame motionFrame)
{
return this.SearchIn(motionFrame);
}
private List<Portrait> SearchIn(Frame motionFrame)
{
var faces = this.searcher.SearchFace(motionFrame.GetImage());
if (faces.Length == 0)
{
motionFrame.Dispose();
return new List<Portrait>(0);
}
var portraitQuery = from f in faces
let faceImg = motionFrame.GetImage().GetSub(f.Bounds)
select new Portrait(faceImg)
{
FaceBounds = f.FaceBoundsInPortrait,
Frame = motionFrame.Clone(),
CapturedAt = motionFrame.CapturedAt,
DeviceId = motionFrame.DeviceId,
};
return portraitQuery.ToList();
}
private void QueryRawFrame()
{
byte[] image = camera.CaptureImageBytes();
MemoryStream memStream = new MemoryStream(image);
Bitmap bmp = null;
try
{
bmp = (Bitmap)Image.FromStream(memStream);
}
catch (System.ArgumentException)//图片格式出错
{
return;
}
Frame f = new Frame();
f.timeStamp = DateTime.Now.Ticks;
f.image = IntPtr.Zero;
f.cameraID = 2;
IplImage ipl = BitmapConverter.ToIplImage(bmp);
ipl.IsEnabledDispose = false;
f.image = ipl.CvPtr;
screen.LiveImage = bmp;
lock (this.rawFrameLocker) rawFrames.Enqueue(f);
goDetectMotion.Set();
}
private Frame GetNewFrame()
{
Frame newFrame = new Frame();
lock (this.rawFrameLocker)
{
if (rawFrames.Count > 0)
{
newFrame = rawFrames.Dequeue();
}
}
return newFrame;
}
private void DetectMotion()
{
DateTime lastTime = DateTime.Now.AddMinutes(-3);
CvVideoWriter videoWriter = null;
uint count = 0;
while (true)
{
Frame newFrame = GetNewFrame();
if (newFrame.image != IntPtr.Zero)
{
DateTime dtFrame = DateTime.FromBinary(newFrame.timeStamp);
IplImage ipl = new IplImage(newFrame.image);
ipl.IsEnabledDispose = false;
//new minute start, create new vide file
if (dtFrame.Minute != lastTime.Minute)
{
if (videoWriter != null)
{
Cv.ReleaseVideoWriter(videoWriter);
videoWriter = null;
}
videoWriter = Cv.CreateVideoWriter(
@"d:\" + dtFrame.Minute + ".avi",
"XVID",
10,
ipl.Size
);
System.Diagnostics.Debug.WriteLine(@"d:\" + dtFrame.Minute + ".avi");
}
videoWriter.WriteFrame(ipl);
lastTime = dtFrame;
Frame frameToProcess = new Frame();
bool groupCaptured = false;
count++;
if (count % 5 == 0)
{
if (Properties.Settings.Default.DetectMotion)
groupCaptured =
MotionDetect.MotionDetect.PreProcessFrame(newFrame, ref frameToProcess);
else
groupCaptured = NoneMotionDetect.PreProcessFrame(newFrame, ref frameToProcess);
}
else
{
Cv.Release(ref newFrame.image);
}
count %= uint.MaxValue;
if (IsStaticFrame(frameToProcess))
{
Cv.Release(ref frameToProcess.image);
}
else
{
SaveFrame(frameToProcess);
NativeIconExtractor.AddInFrame(frameToProcess);
motionFrames.Enqueue(frameToProcess);
}
if (groupCaptured)
{
Target[] tgts = SearchFaces();
//remove duplicated faces
int upLimit = tgts.Length;
if (Properties.Settings.Default.DetectMotion
&& Properties.Settings.Default.removeDuplicatedFace)
{
upLimit = Math.Min(upLimit, Properties.Settings.Default.MaxDupFaces);
}
Target[] removed = new Target[upLimit];
Array.ConstrainedCopy(tgts, 0, removed, 0, upLimit);
ImageDetail[] details = this.SaveImage(removed);
this.screen.ShowImages(details);
Frame[] frames = motionFrames.ToArray();
motionFrames.Clear();
//release memory
Array.ForEach(frames, f => Cv.Release(ref f.image));
}
}
else
goDetectMotion.WaitOne();
}
}
private static bool IsStaticFrame(Frame aFrame)
{
return aFrame.image != null
&& (aFrame.searchRect.Width == 0 || aFrame.searchRect.Height == 0);
}
private static unsafe string GetFacePath(Frame frame, DateTime dt, int j)
{
string folderFace = FolderForFaces(frame.cameraID, dt);
string faceFileName = GetFaceFileName(frame.GetFileName(), j);
string facePath = Path.Combine(folderFace, faceFileName);
return facePath;
}
public static extern void AddInFrame(Frame frame);
private void DetectMotion()
{
while (true)
{
Frame newFrame = GetNewFrame();
if (newFrame.image != IntPtr.Zero)
{
Frame frameToProcess = new Frame();
bool groupCaptured = MotionDetect.MotionDetect.PreProcessFrame(newFrame, ref frameToProcess);
Debug.WriteLine(DateTime.FromBinary(frameToProcess.timeStamp));
if (IsStaticFrame(frameToProcess))
{
Cv.Release(ref frameToProcess.image);
}
else
{
SaveFrame(frameToProcess);
motionFrames.Enqueue(frameToProcess);
}
if (groupCaptured)
{
Frame[] frames = motionFrames.ToArray();
motionFrames.Clear();
if (frames.Length <= 0) continue;
lock (locker) framesQueue.Enqueue(frames);
goSearch.Set();
}
}
else
goDetectMotion.WaitOne();
}
}
