private void button2_Click(object sender, EventArgs e)
{
i++;
bmp = aviStream.GetBitmap(i);
pictureBox1.Image = bmp;
label8.Text = i.ToString();//当前帧数
if (i == framecount - 1)
{
i = 0;
}
}
private void FillBuffer()
{
while (true)
{
Monitor.Enter(this);
if (_frameBuffer.Count <= BuferMaxSize)
{
if (_currentFrame >= 0 && _currentFrame < FrameCount)
{
var bitmap = _videoStream.GetBitmap(_currentFrame);
if (Step == 1)
{
Traitement.Instance.Traiter(bitmap);
}
_frameBuffer.Enqueue(bitmap);
_currentFrame += Step;
}
Monitor.Exit(this);
}
else
{
Monitor.Exit(this);
Thread.Sleep(10);
}
}
}
public System.Drawing.Bitmap GetBitmap(int index)
{
if (index < 0 || index >= GetFrameCount())
{
return(null);
}
switch (_mode)
{
case Mode.Video:
//_aviStream.GetFrameOpen();
System.Drawing.Bitmap bitmap;
bitmap = _aviStream.GetBitmap(index);
//_aviStream.GetFrameClose();
return(bitmap);
case Mode.SingleFrame:
return(_singleFrame.Clone() as System.Drawing.Bitmap);
case Mode.Annotations:
Bitmap bmp = GetImageFromAnnotation(index);
return(Bitmap.ToSystemDrawingBitmap(bmp));
case Mode.MultipleFrames:
return(new System.Drawing.Bitmap(_multipleScreenshots[index]));
default:
return(null);
}
}
private void ShowFrame()
{
if (System.IO.File.Exists(txtAviFileName.Text))
{
try {
AviManager aviManager = new AviManager(txtAviFileName.Text, true);
VideoStream aviStream = aviManager.GetVideoStream();
aviStream.GetFrameOpen();
Bitmap bmp = aviStream.GetBitmap(Convert.ToInt32(numPosition.Value));
picFrame.Image = bmp;
aviStream.GetFrameClose();
aviManager.Close();
} catch (Exception ex) {
MessageBox.Show(ex.ToString());
}
}
}
private void open()
{
aviManager = new AviManager(file, true);
aviStream = aviManager.GetVideoStream();
aviStream.GetFrameOpen();
framecount = aviStream.CountFrames;
label2.Text = framecount.ToString();
bmp = aviStream.GetBitmap(i);
label6.Text = bmp.Width.ToString(); //宽度
label4.Text = bmp.Height.ToString(); //高度
pictureBox1.Width = (bmp.Width);
pictureBox1.Height = (bmp.Height);
pictureBox1.Image = bmp;
label8.Text = i.ToString();//当前帧数
Form2 f = new Form2();
f.Width = (bmp.Width) + 200;
f.Height = (bmp.Height) + 300;
}
private void ShowFrameTrackTwo()
{
if (System.IO.File.Exists(fileNameText.Text))
{
try
{
AviManager aviManager = new AviManager(fileNameText.Text, true);
VideoStream aviStream = aviManager.GetVideoStream();
aviStream.GetFrameOpen();
Bitmap bmp = aviStream.GetBitmap(Convert.ToInt32(endPointTracker.Value));
bmp.SetResolution(rlPicBox.Width, rlPicBox.Height);
smplPicBox.Image = bmp;
aviStream.GetFrameClose();
aviManager.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
}