private void Control_Load(object sender, EventArgs e)
{
LoadJson();
foreach (var site in jsonTestSite)
{
cboxSite.Items.Add(site);
}
cboxSite.ValueMember = "id";
cboxSite.DisplayMember = "desc";
int number = Device.InstalledCount;
// initialize cboxCamera
for (int ind = 0; ind < number; ind++)
{
cboxCamera.Items.Add($"Azure Kinect {ind+1}");
}
if (Environment.OSVersion.Version.Major >= 6)
{
LoadWasapiDevicesCombo();
}
else
{
throw new Exception("Too old operating system, please update!");
}
timer1.Enabled = true;
TickNumInSpaceCheckPeriod = HzDriveSpaceCheck * 1000 / timer1.Interval;
lblRemainingDiskTime.Text = $"{ DriveSpaceManager.GetInstance().GetMinutesByAvailabeSpace() }";
}
public static DriveSpaceManager GetInstance()
{
if (singleton == null)
{
singleton = new DriveSpaceManager();
}
return(singleton);
}
private void timer1_Tick(object sender, EventArgs e)
{
if (Globals.getInstance().isRecording)
{
// update the recording time label
var span = DateTime.Now - dtStartRecordingTime;
lblRecordingTime.Text = span.ToString(@"hh\:mm\:ss");
}
else
{
lblRecordingTime.Text = "00:00:00";
}
if (Globals.getInstance().viewerRecorderPairs.Count == 0)
{
btnRecord.Enabled = false;
btnTune.Enabled = false;
}
else
{
if (Globals.getInstance().hasStoppedRecordingButFlushing)
{
btnRecord.Enabled = false;
btnTune.Enabled = false;
}
else
{
if (isTuned)
{
btnRecord.Enabled = true;
}
else
{
btnRecord.Enabled = false;
}
if (Globals.getInstance().isRecording)
{
btnTune.Enabled = false;
}
else
{
btnTune.Enabled = true;
}
}
}
if (Globals.getInstance().isRecording)
{
lblRemainingDiskTime.Text = $"{ DriveSpaceManager.GetInstance().GetMinutesByAvailabeSpace() }";
TickCountForSpaceCheck++;
if (TickCountForSpaceCheck > TickNumInSpaceCheckPeriod)
{
TickCountForSpaceCheck = 0;
if (DriveSpaceManager.GetInstance().ShouldStopRecording)
{
btnRecord.PerformClick();
MessageBox.Show("Free disk space is too small. The system has to stop recording automatically now. Please clean the disk first and then start recording again.", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
if (DriveSpaceManager.GetInstance().ShouldWarnWhenRecording&& !HasPromptedLimitedFreeDisk)
{
HasPromptedLimitedFreeDisk = true;
MessageBox.Show("Free disk space is nearly used up. You may need to stop recording shortly?", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
}
else
{
HasPromptedLimitedFreeDisk = false;
}
}
private async void btnRecord_Click(object sender, EventArgs e)
{
if (!Globals.getInstance().isRecording)
{
DriveSpaceManager.GetInstance().NumOfkinect = Globals.getInstance().viewerRecorderPairs.Count;
if (DriveSpaceManager.GetInstance().ShouldStopRecording)
{
MessageBox.Show("Free disk space is too small. Please clean it first and then start recording again.", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
if (DriveSpaceManager.GetInstance().ShouldWarnWhenRecording)
{
var result = MessageBox.Show("Free disk space is nearly used up. Are you sure you want to start recording now?", "Warning", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
if (result == DialogResult.No)
{
return;
}
}
else if (DriveSpaceManager.GetInstance().ShouldWarnBeforeRecording)
{
var result = MessageBox.Show($"You can only record for around {DriveSpaceManager.GetInstance().GetMinutesByAvailabeSpace()} minutes due to limited free space in the disk drive. Are you sure you want to start recording now?", "Warning", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
if (result == DialogResult.No)
{
return;
}
}
if (siteID.Length < 1)
{
MessageBox.Show("Please specify the testing site before recording.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
// prepare the file-saving directory
String folderName = DateTime.Now.ToString("yyyyMMddHHmmss");
String fullDirectory = System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyVideos), "Kinect", folderName);
// create the folder
try {
Directory.CreateDirectory(fullDirectory);
}
catch (Exception exception)
{
MessageBox.Show(exception.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
// initialize the recorder
foreach (var viewerRecorderPair in Globals.getInstance().viewerRecorderPairs)
{
viewerRecorderPair.Value.InitializeRecorder(fullDirectory, siteID);
viewerRecorderPair.Value.StartRecord();
}
// UI management
lblRecordingTime.ForeColor = Color.Red;
btnRecord.Text = "Stop Recording";
btnPreview.Enabled = false;
Globals.getInstance().isRecording = true;
dtStartRecordingTime = DateTime.Now;
TonePlayer.GetInstance().PlayBeep(2000, 500, WaveFormType.SquareWave, 32000);
}
else
{
var result = MessageBox.Show("Sure to stop recording?", "Warning", MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation);
if (result == DialogResult.No)
{
return;
}
Globals.getInstance().isRecording = false;
List <Task> tasks = new List <Task>();
foreach (var viewerRecorderPair in Globals.getInstance().viewerRecorderPairs)
{
tasks.Add(Task.Run(() =>
{
viewerRecorderPair.Value.StopRecord();
}));
}
Globals.getInstance().hasStoppedRecordingButFlushing = true;
await Task.WhenAll(tasks);
Globals.getInstance().hasStoppedRecordingButFlushing = false;
lblRecordingTime.ForeColor = Color.Gray;
btnRecord.Text = "Record";
btnPreview.Enabled = true;
}
}
