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 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 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);
}
// Start work
public void Start()
{
if (thread == null)
{
framesReceived = 0;
// create events
stopEvent = new ManualResetEvent(false);
// open file
try
{
aviReader = new AVIReader();
aviReader.Open(source);
_embededFps = aviReader.FrameRate;
// create and start new thread
thread = new Thread(new ThreadStart(WorkerThread));
thread.Name = source;
thread.Start();
_fpsMark = DateTime.Now;
} catch (Exception ex) {
System.Diagnostics.Debug.WriteLine("exception : " + ex.Message);
}
}
}
// Open video file using VFW
private void openVideofileusingVFWToolStripMenuItem_Click(object sender, EventArgs e)
{
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
AVIReader aviReader = new AVIReader();
aviReader.Open(openFileDialog.FileName);
OpenVideoFile(openFileDialog.FileName);
}
}
public Video(String input, String password)
{
Password = ToPasswordSeed(password);
reader = new AVIReader();
reader.Open(input);
ResetReadByte();
ExtractHeader();
}
public VideoAVIGiver(string path)
{
reader = new AVIReader();
reader.Open(path);
Path = path;
RunFrom = 0;
RunTo = RunToMax;
Step = 1;
}
// 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;
}
public Video(String input, String output, int length, String extension, int LSB, String password)
{
Length = length;
Extension = extension;
this.LSB = LSB;
Password = ToPasswordSeed(password);
SumPNSRFrame = 0;
SumPNSR = 0;
PNSR = 0;
reader = new AVIReader();
writer = new AVIWriter();
reader.Open(input);
writer.Open(output, reader.Width, reader.Height);
ResetWriteByte();
HideHeader();
}
/// <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;
}
