|
public AddFrame ( |
||
| frameImage | New frame image. | |
| return | void | |
private void video_NewFrame(object sender, NewFrameEventArgs eventArgs) //обработчик события NewFrame
{
if (!stopzapis)
{
Bitmap img = (Bitmap)eventArgs.Frame.Clone();
writer.AddFrame(img);
}
}
static void Main()
{
AVIWriter writer = new AVIWriter("xvid");
// instantiate AVI reader
AVIReader reader = new AVIReader();
// open video file
reader.Open("test2.avi");
// create new AVI file and open it
writer.Open("testOut2.avi", reader.Width, reader.Height);
//WebClient webClient = new WebClient();
//webClient.DownloadFile("http://maps.googleapis.com/maps/api/staticmap?center=-15.800513,-47.91378&zoom=11&size=200x200&sensor=false", @"C:\Users\GaliaTodorova\Dropbox\Telerik_wf\OOP\TeamWork\test.png");
//Bitmap flag = new Bitmap(@"C:\Users\GaliaTodorova\Dropbox\Telerik_wf\OOP\TeamWork\test.png"); //galia
//Bitmap toFrame = new Bitmap(flag, new Size(reader.Width, reader.Height));
//toFrame.MakeTransparent();
// read the video file
while (reader.Position - reader.Start < reader.Length)
{
// get next frame
Bitmap image = reader.GetNextFrame();
for (int t = 0; t < reader.Position - reader.Start; t++)
{
/*using (Graphics grfx = Graphics.FromImage(image))
{
grfx.DrawImage(flag, 0, 0);
}*/
if (t >= reader.Width)
break;
int y = (int)(reader.Height / 2 + Math.Sin(((float)t) / 50) * reader.Height / 3);
image.SetPixel(t, y - 1, Color.Red);
image.SetPixel(t, y, Color.Red);
image.SetPixel(t, y + 1, Color.Red);
}
writer.AddFrame(image);
}
reader.Close();
writer.Close();
}
public static void VidTest()
{
List<Bitmap> frames = new List<Bitmap>();
AVIWriter aw = new AVIWriter("DIB ");
aw.FrameRate = 15;
aw.Open("test2.avi",320,240);
int i = 0;
string surl = "";
MJPEGStream ms = new MJPEGStream();
ms.Login = "";
ms.Password = "";
ms.Source = surl;
ms.NewFrame += (sender, e) =>
{
i++;
//frames.Add(e.Frame);
aw.AddFrame(e.Frame);
e.Frame.Save("test" + i.ToString() + ".jpg", ImageFormat.Jpeg);
// ((MJPEGStream)sender).Stop();
};
ms.Start();
System.Threading.Thread.Sleep(4000);
ms.Stop();
aw.Close();
//
}
public void hide(byte[] mbyte, bool bitLSB)
{
//Message to BitArray
BitArray bitarray = new BitArray(mbyte);
//bool[] bools = new bool[200000];
//byte[] bytes = new byte[200000];
//Convert key to seed
byte[] k_ = Encoding.ASCII.GetBytes(key);
Int32 seed = 0;
foreach(byte b_ in k_)
{
seed += b_;
}
//Get all frame from .avi
bitmapL = new List<Bitmap>();
while(reader.Position - reader.Start < reader.Length)
{
bitmapL.Add(reader.GetNextFrame());
}
//Find frame and pixel position
Random rand = new Random(seed);
//for(int i = bitarray.Length-1; i > -1; i--)
for (int i = 0; i < bitarray.Length; i++)
{
int frameIdx = rand.Next(reader.Length);
int x = rand.Next(reader.Width);
int y = rand.Next(reader.Height);
Bitmap frame = bitmapL.ElementAt(frameIdx);
Color c = frame.GetPixel(x,y);
//mode 1-LSB
if (bitLSB)
{
byte byteb = c.B;
if (bitarray.Get(i)) byteb = (byte)((byteb & MED) | (HEX_1));
else byteb = (byte)((byteb & MED) | (HEX_0));
frame.SetPixel(x, y, Color.FromArgb(c.R, c.G, byteb));
//c = frame.GetPixel(x, y);
//bools[i] = c.B % 2 == 1; bytes[i] = c.B;
}
else
//mode 2-LSB
{
byte byteb = c.B;
byte byteg = c.G;
if (bitarray.Get(i)) byteb = (byte)((byteb & MED) | (HEX_1));
else byteb = (byte)((byteb & MED) | (HEX_0));
i++;
if (bitarray.Get(i)) byteg = (byte)((byteg & MED) | (HEX_1));
else byteg = (byte)((byteg & MED) | (HEX_0));
frame.SetPixel(x, y, Color.FromArgb(c.R, byteg, byteb));
//c = frame.GetPixel(x, y);
//bools[i] = c.B % 2 == 1; bytes[i] = c.B;
//bools[i] = c.G % 2 == 1; bytes[i] = c.G;
}
}
//String s = System.Text.Encoding.ASCII.GetString(BoolArrayToBytes(bools));
//write new .avi file
AVIWriter writer = new AVIWriter();
writer.Open(output,reader.Width,reader.Height);
foreach(Bitmap bitmap in bitmapL)
{
writer.AddFrame(bitmap);
}
reader.Close();
writer.Close();
}
private void DoRecord(object obj)
{
AVIWriter writer = new AVIWriter();
writer.Open( System.Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + "\\video" + String.Format("{0:_dd-M-yyyy_hh-mm-ss}", DateTime.Now) + ".avi", this.imgWidth, this.imgHeight);
writer.FrameRate = 15;
// as long as we're recording
// we dequeue the BitMaps waiting in the Queue and write them to the file
while (IsRecording)
{
if (frames.Count > 0)
{
Bitmap bmp = frames.Dequeue();
writer.AddFrame(bmp);
}
}
writer.Close();
}
