public void write() {
int codec = Emgu.CV.CvInvoke.CV_FOURCC('P', 'I', 'M', '1');
int fps = 25;
if (list_timestamps.Count > 0)
{
String tempvideopath = Program.getConfiguration().Mediafolderpath + @"\" + list_timestamps[0].ToString() + ".mpg";
Capture tempcapture = new Capture(tempvideopath);
fps = (int)tempcapture.GetCaptureProperty(CAP_PROP.CV_CAP_PROP_FPS);
tempcapture.Dispose();
}
VideoWriter videowriter = new VideoWriter(videopath, codec, fps, 640, 480, true);
for (int i = 0; i < list_timestamps.Count; i++)
{
videopath = Program.getConfiguration().Mediafolderpath + @"\" + list_timestamps[i].ToString() + ".mpg";
try
{
Capture joincapture = new Capture(videopath);
Image<Bgr, byte> frame = joincapture.QueryFrame();
for (int n = 1; n < 15; n++)
joincapture.QueryFrame();
while (frame != null)
{
videowriter.WriteFrame(frame);
frame = joincapture.QueryFrame();
}
joincapture.Dispose();
// Notify main frame to update its progressbar
ExportVideoProgressEventArgs e = new ExportVideoProgressEventArgs(i);
DoneAppendingRallyVideoEvent(this, e);
}
catch (NullReferenceException) { Console.WriteLine("unreadable video file"); }
}
videowriter.Dispose();
}
private void previewBtn_Click(object sender, RoutedEventArgs e)
{
if (previewBtn.Content.ToString() == "Preview Stream")
{
if (kinect_sensor != null)
{
// disable all other buttons
DeactivateReplay();
gestureCaptureBtn.IsEnabled = false;
gestureRecognitionBtn.IsEnabled = false;
gestureReplayBtn.IsEnabled = false;
previewBtn.Content = "Stop Stream";
isStreaming = true;
kinect_data_manager.ifShowJointStatus = true;
frame_rec_buffer.Clear();
kinect_sensor.Start();
}
}
else
{
if(kinect_sensor != null)
{
kinect_sensor.Stop();
gestureCaptureBtn.IsEnabled = true;
gestureReplayBtn.IsEnabled = true;
gestureRecognitionBtn.IsEnabled = true;
isStreaming = false;
kinect_data_manager.ifShowJointStatus = false;
// save recorded frame to disk
if (frame_rec_buffer != null && saveVideoCheckBox.IsChecked.Value)
{
// create video writer
int fwidth = (int)groupBox3.Width + 20;
int fheight = (int)groupBox3.Height + 20;
SaveFileDialog saveDialog = new SaveFileDialog();
saveDialog.Filter = "avi files (*.avi)|*.avi";
saveDialog.FilterIndex = 2;
saveDialog.RestoreDirectory = true;
if (saveDialog.ShowDialog().Value)
{
statusbarLabel.Content = "Saving video...";
string videofile = saveDialog.FileName.ToString();
VideoWriter videoWriter = new VideoWriter(videofile, CvInvoke.CV_FOURCC('M', 'J', 'P', 'G'), 15,
fwidth, fheight, true);
if (videoWriter == null)
MessageBox.Show("Fail to save video. Check if codec has been installed.");
else
{
for (int i = 0; i < frame_rec_buffer.Count; i++)
{
// write to video file
Emgu.CV.Image<Bgr, byte> cvImg =
new Emgu.CV.Image<Bgr, byte>(frame_rec_buffer[i] as Bitmap);
videoWriter.WriteFrame<Bgr, byte>(cvImg);
}
videoWriter.Dispose();
statusbarLabel.Content = "Video saved to " + videofile;
}
}
}
frame_rec_buffer.Clear();
previewBtn.Content = "Preview Stream";
// save tracked elbow speed
//FileStream file = File.Open("d:\\temp\\test.txt", FileMode.Create);
//StreamWriter writer = new StreamWriter(file);
//for (int i = 0; i < motion_assessor.jointStatusSeq.Count; i++)
// writer.WriteLine(motion_assessor.jointStatusSeq[i][JointType.HandRight].abs_speed);
//writer.Close();
}
}
}
private void generarVideo()
{
Emgu.CV.VideoWriter escritor = new Emgu.CV.VideoWriter(rutaAlmacenamiento+"\\Out.avi", 30,
ancho, alto, true);
//Recuperamos los nombres de los archivos JPG
string[] listaImagenes = Directory.GetFiles(rutaAlmacenamiento, "*.jpg");
barraProgresoGeneracion.Maximum = listaImagenes.Length;
int posFrame = 0;
int total=listaImagenes.Length;
foreach (string imagen in listaImagenes)
{
barraProgresoGeneracion.Value = posFrame;
Image<Bgr, Byte> imagenCargada = new Image<Bgr, byte>(imagen);
escritor.WriteFrame<Bgr, byte>(imagenCargada);
//imagenCargada.Dispose();
posFrame=posFrame+1;
}
Thread.Sleep(5000);
escritor.Dispose();
GC.Collect();
MessageBox.Show("Video generado");
}
