static void Main(string[] args)
{
//initialize capture and buffer
VideoCaptureBase capture = new FileCapture("../Resources/video-vignette.mp4"); // /*or*/ capture = new CameraCapture();
Bgr <byte>[,] frame = null;
//initialize devignetting alg
capture.ReadTo(ref frame);
var devignetting = new Devignetting(frame, optimizeVignettingCentre: true);
Bgr <byte>[,] correctedIm = frame.CopyBlank();
//do the job
do
{
capture.ReadTo(ref frame);
if (frame == null)
{
break;
}
frame.Show("Original");
frame.CopyTo(correctedIm, Point.Empty);
bool isDone = devignetting.DevignetteSingleStep(correctedIm);
correctedIm.Show("Corrected");
Console.WriteLine("Frame: {0:000}, is done: {1}", capture.Position, isDone);
}while (!(Console.KeyAvailable && Console.ReadKey(true).Key == ConsoleKey.Escape));
capture.Close();
}
/// <summary>
/// Get a list of frames from a video file in AVI format.
/// </summary>
/// <param name="filename">Input video filename.</param>
/// <returns>Frame list.</returns>
private List <Texture2D> frameListFromAvi(string filename)
{
List <Texture2D> frames = new List <Texture2D>();
using (FileCapture reader = FileCaptureX.CaptureLocalFile(filename)) {
Console.WriteLine("reading file " + filename);
foreach (Image <Bgr <byte> > image in reader)
{
Texture2D frame = new Texture2D(Graphics, image.Width, image.Height);
Bgr <byte>[,] data = new Bgr <byte> [image.Height, image.Width];
Color[] linear = new Color[image.Width * image.Height];
image.CopyTo(data);
int h = 0;
for (int k = 0; k < image.Height; k++)
{
for (int i = 0; i < image.Width; i++)
{
linear[h++] = new Color(data[k, i].R, data[k, i].G, data[k, i].B);
}
}
Console.WriteLine("frame " + reader.Position);
frame.SetData(linear);
frames.Add(frame);
}
Console.WriteLine("done.");
reader.Close();
}
return(frames);
}
/// <summary>
/// Uses the dotImaging library to extract each frame from a video and saving it.
/// </summary>
/// <param name="savePath">Where the frames should be saved.</param>
/// <param name="filePath">Path to videofile.</param>
public void videoImageExtractor(String savePath, String filePath)
{
var reader = new FileCapture(filePath);
reader.Open();
reader.SaveFrames(savePath, "{0}.png");
reader.Close();
}
private void OpenVideo(VideoDataLine dataLine)
{
if (this.currentDataLine != null)
{
reader.Close();
}
try
{
reader = new FileCapture(project.Folder + "\\" + dataStream.SubFolder + "\\" + dataLine.VideoFileName);
reader.Open();
timer.Interval = Convert.ToInt32((1 / reader.FrameRate) * 1000);
currentDataLine = dataLine;
lblStatus.Text += "Current file: " + dataLine.VideoFileName;
}
catch (Exception ex)
{
lblStatus.Text = "Error: " + ex.Message;
logger.WriteLineError("Error occured: " + ex.Message);
throw ex;
}
}
