// start capturing
public void startCapture(ManagedPGRGuid camGuid, int vidMode, System.Windows.Forms.PictureBox displayPicture,
String fileName, Boolean record2file)
{
int i;
Flag_GravityFound_Y = false; // garvity is not known
// CLEARING THE FRAME QUEUE NO MATTER WHAT...
FrameQueue.clear();
RecordToFile = record2file;
// creating the GPS data list
GpsCaptureData = new List <GPSDataInstance>();
// creating the IMU data List
IMUCapturedata = new List <IMUDataInstance>();
// resetting frame index
FrameIndex = 0;
// 1. connect to the camera
Cam.Connect(camGuid);
int fps_i = 0;
if (vidMode == 0)
{
Cam.SetVideoModeAndFrameRate(VideoMode.VideoMode1600x1200Yuv422, FrameRate.FrameRate30);
fps_i = 30;
}
else if (vidMode == 1)
{
Cam.SetVideoModeAndFrameRate(VideoMode.VideoMode1600x1200Rgb, FrameRate.FrameRate15);
fps_i = 15;
}
else if (vidMode == 2)
{
Format7ImageSettings fset = new Format7ImageSettings();
fset.height = 540;
fset.width = 960;
fset.offsetX = 40;
fset.offsetY = 118;
fset.mode = Mode.Mode4;
fset.pixelFormat = PixelFormat.PixelFormatRgb8;
Cam.SetFormat7Configuration(fset, 40.0f); // this equivalent to 24 fps
fps_i = 24;
}
if (RecordToFile)
{
// 3. Creating the avi recorder object
AviRecorder = new ManagedAVIRecorder();
MJPGOption option = new MJPGOption();
float fps = (float)fps_i;
option.frameRate = fps;
option.quality = 100; // 100 for superb quality
AviRecorder.AVIOpen(fileName, option);
}
// 4. setting the frame buffering option
// leave it for now...
// 5. start the capturing
Cam.StartCapture();
// MUST discard the first few frames!
ManagedImage rawImage = new ManagedImage();
for (i = 0; i < 10; i++)
{
Cam.RetrieveBuffer(rawImage);
}
// 6. set the display bitmap
DisplayPicture = displayPicture;
// 7. starting sampling, recording and dumping threads
// IMU sampling thread
IMUSamplingTimer = new PrecisionTimer(.0075, this.IMUSamplingEvent); // sampling frequency at 150 Hz
RecordingThreadActive = true;
OutOfRecordingThread = true;
IMUSamplingTimer.start();
RecordingThread = new Thread(this.mainLoop);
//RecordingThread.Priority = ThreadPriority.Highest;
RecordingThread.Start();
// creating the thread for the dumping
DumpingThread = new System.Threading.Thread(this.dumpingLoop);
while (OutOfRecordingThread)
{
; // must wait until the recording thread enters the loop, otherwise the dumping will never start!
}
DumpingThread.Start();
}
