private void Init(string FileName)
{
InitBrushPen();
AVIReader aw = new AVIReader();
aw.Open(FileName);
Settings.framerate = (int)aw.FrameRate;
Bitmap fr = aw.GetNextFrame();
InitFrameSize(fr.Width, fr.Height);
InitLists();
InitVariables();
int awLen = aw.Length;
double framedur = ((double)(60 / Settings.framerate)) / 60;
bitmaps.Add(fr);
FrameDurations.Add(framedur);
AddFrameToGallery(0, LocY);
LocY += 95;
for (int i = 1; i < awLen; i++)
{
fr = aw.GetNextFrame();
bitmaps.Add(fr);
FrameDurations.Add(framedur);
AddFrameToGallery(bitmaps.Count - 1, LocY);
LocY += 95;
}
SetBrush();
SetBackColor(Color.White);
SelectPB(0);
RefreshGI();
InitBrushSizeBar();
InitScaleBar();
}
private Bitmap getFrame(int position)
{
int tmp = reader.Position;
reader.Position = position;
Bitmap frame = reader.GetNextFrame();
this.reader.Position = tmp;
return(frame);
}
private void getImage_Click(object sender, EventArgs e)
{
string inputText = this.textBox1.Text;
if (inputText == "")
{
inputText = "0";
}
savedVideo = new AVIReader();
if (videoFilePath != null)
{
savedVideo.Open(videoFilePath);
if (Int32.Parse(inputText) * savedVideo.FrameRate <= (savedVideo.Length))
{
savedVideo.Position = Int32.Parse(inputText) * (int)savedVideo.FrameRate;
Bitmap frame = savedVideo.GetNextFrame();
//Form picture = new Snapshot(frame);
//picture.Show(this);
frame.Save("snapshot.jpg");
label2.Text = "Image Captured!";
}
else
{
label2.Text = "Video is not long enough!!!";
}
}
else
{
label3.Text = "Select an .avi File first!";
}
}
private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
if (videoFilePath != null)
{
sampleVid = new AVIReader();
sampleVid.Open(videoFilePath);
linkLabel1.Enabled = false;
for (int k = 0; k < sampleVid.Length; k++)
{
sampleImg = sampleVid.GetNextFrame();
for (int i = 0; i < sampleImg.Width; i++)
{
for (int j = 0; j < sampleImg.Height; j++)
{
Color pixel = sampleImg.GetPixel(i, j);
if (pixel.R >= 130)
{
this.dataGridView1.Rows.Insert((this.dataGridView1.Rows.Count) - 1, i.ToString(), j.ToString());
coordInfo += "(" + i.ToString() + " , " + j.ToString() + ") \n\r ";
break;
}
}
}
}
System.IO.File.WriteAllText("RedDotCoordinateInfo.txt", coordInfo);
}
else
{
label2.Text = "Select a .avi file first!";
}
}
private void WorkerThread(CancellationToken token)
{
Task.Factory.StartNew(() =>
{
this.Running = true;
AVIReader aviReader = new AVIReader();
try
{
aviReader.Open(VideoSource); // open file
while (!cts.IsCancellationRequested)
{
Bitmap bmp = aviReader.GetNextFrame(); // get next frame
FramesReceived++;
if (NewFrame != null)
{
NewFrame(this, new CameraEventArgs(bmp));
}
bmp.Dispose(); // free image
}
}
catch (Exception ex)
{
Logger.Error(ex);
}
aviReader.Dispose();
aviReader = null;
this.Running = false;
}, token);
}
// Thread entry point
public void WorkerThread()
{
try
{
while (true)
{
// start time
DateTime start = DateTime.Now;
// get next frame
if ((aviReader.CurrentPosition + _videoSpeed - 1) < aviReader.Length)
{
aviReader.CurrentPosition += (_videoSpeed - 1);
}
else
{
aviReader.CurrentPosition = aviReader.Length - 1;
}
Bitmap bmp = aviReader.GetNextFrame();
framesReceived++;
// need to stop ?
if (stopEvent.WaitOne(0, false))
{
break;
}
if (NewFrame != null)
{
NewFrame(this, new CameraEventArgs(bmp));
}
// free image
bmp.Dispose();
// end time
TimeSpan span = DateTime.Now.Subtract(start);
// fps control
int m = (int)span.TotalMilliseconds;
if (_isLimitFps && _fpsLimit != 0)
{
float fps = _fpsLimit;
if (fps < 0)
{
fps = _embededFps;
}
int sleepTime = (int)(1000 / fps);
if (m < sleepTime)
{
Thread.Sleep(sleepTime - m);
}
}
}
} catch (Exception ex) {
System.Diagnostics.Debug.WriteLine("exception : " + ex.Message);
}
}
// Thread entry point
public void WorkerThread()
{
AVIReader aviReader = new AVIReader();
try
{
// open file
aviReader.Open(source);
while (true)
{
// start time
DateTime start = DateTime.Now;
// get next frame
Bitmap bmp = aviReader.GetNextFrame();
framesReceived++;
// need to stop ?
if (stopEvent.WaitOne(0, false))
{
break;
}
if (NewFrame != null)
{
NewFrame(this, new CameraEventArgs(bmp));
}
// free image
bmp.Dispose();
// end time
TimeSpan span = DateTime.Now.Subtract(start);
// sleep for a while
/* int m = (int) span.TotalMilliseconds;
*
* if (m < 100)
* Thread.Sleep(100 - m);*/
}
}
catch (Exception ex)
{
Tools.WriteToFile(Tools.errorFile, "WorkerThread error: " + ex.Message);
System.Diagnostics.Debug.WriteLine("exception : " + ex.Message);
}
aviReader.Dispose();
aviReader = null;
}
/// <summary>
/// Worker thread.
/// </summary>
///
public void WorkerThread()
{
// AVI reader
try
{
// open file
aviReader.Open(source);
// stop positions
int stopPosition = aviReader.Start + aviReader.Length;
while (true)
{
// start time
DateTime start = DateTime.Now;
// get next frame
Bitmap bitmap = aviReader.GetNextFrame();
framesReceived++;
// need to stop ?
if (stopEvent.WaitOne(0, false))
{
break;
}
if (NewFrame != null)
{
NewFrame(this, new NewFrameEventArgs(bitmap));
}
// free image
bitmap.Dispose();
// check current position
if (aviReader.Position >= stopPosition)
{
break;
}
while (this.Pause && (stopEvent.WaitOne(0, true) == false))
{
Thread.Sleep(1000);
start.AddSeconds(1.0);
}
// frame interval
int interval = (frameIntervalFromSource) ? (int)(1000 / aviReader.FrameRate) : frameInterval;
if (this.Speed > 1)
{
interval = (interval * 1000 / this.Speed) / 1000;
}
if (this.Speed < -1)
{
interval = interval * (0 - this.Speed);
}
// wait for a while ?
if (interval > 0)
{
// get frame extract duration
TimeSpan span = DateTime.Now.Subtract(start);
// miliseconds to sleep
int msec = interval - (int)span.TotalMilliseconds;
while ((msec > 0) && (stopEvent.WaitOne(0, true) == false))
{
// sleeping ...
Thread.Sleep((msec < 100) ? msec : 100);
msec -= 100;
}
}
}
}
catch (Exception exception)
{
// provide information to clients
if (VideoSourceError != null)
{
VideoSourceError(this, new VideoSourceErrorEventArgs(exception.Message));
}
}
aviReader.Close();
//aviReader.Dispose();
//aviReader = null;
}
public void InsertToFrame(byte[] insertedByte)
{
Bitmap bitmap = reader.GetNextFrame();
Dimension = bitmap.Height * bitmap.Width;
ResetRandIndex();
int pos = RandIndex();
for (int i = 0; i < (insertedByte.Length); i++)
{
for (int j = 0; j < 3; j++)
{
int y = pos / bitmap.Size.Width;
int x = pos % bitmap.Size.Width;
byte r = bitmap.GetPixel(x, y).R;
byte g = bitmap.GetPixel(x, y).G;
byte b = bitmap.GetPixel(x, y).B;
if (LSB == 1)
{
int byteAtPos = (insertedByte[i] / (1 << (j * 3))) % 2;
r = (byte)ToByte(r, byteAtPos, 1);
byteAtPos = (insertedByte[i] / (1 << (j * 3 + 1))) % 2;
g = (byte)ToByte(g, byteAtPos, 1);
if (j < 2)
{
byteAtPos = (insertedByte[i] / (1 << (j * 3 + 2))) % 2;
b = (byte)ToByte(b, byteAtPos, 1);
}
}
else if (LSB == 2)
{
int byteAtPos;
if (j < 2)
{
byteAtPos = ((insertedByte[i] / (1 << (j * 6 + 1))) % 2) * 2 +
((insertedByte[i] / (1 << (j * 6))) % 2);
r = (byte)ToByte(r, byteAtPos, 2);
}
if (j == 0)
{
byteAtPos = ((insertedByte[i] / (1 << (j * 6 + 3))) % 2) * 2 +
((insertedByte[i] / (1 << (j * 6 + 2))) % 2);
g = (byte)ToByte(g, byteAtPos, 2);
byteAtPos = ((insertedByte[i] / (1 << (j * 6 + 5))) % 2) * 2 +
((insertedByte[i] / (1 << (j * 6 + 4))) % 2);
b = (byte)ToByte(b, byteAtPos, 2);
}
}
SumPNSR += ((bitmap.GetPixel(x, y).R - r) * (bitmap.GetPixel(x, y).R - r)) +
((bitmap.GetPixel(x, y).G - g) * (bitmap.GetPixel(x, y).G - g)) +
((bitmap.GetPixel(x, y).B - b) * (bitmap.GetPixel(x, y).B - b));
SumPNSRFrame++;
bitmap.SetPixel(x, y, Color.FromArgb(r, g, b));
pos = RandIndex();
}
}
PNSR = (double)SumPNSR / SumPNSRFrame;
writer.AddFrame(bitmap);
}
