private void LogVolume(WaveInEventArgs e)
{
float volume = 0;
// interpret as 16 bit audio
for (int index = 0; index < e.BytesRecorded; index += 2)
{
short sample = (short)((e.Buffer[index + 1] << 8) |
e.Buffer[index + 0]);
// to floating point
var sample32 = sample / 32768f;
// absolute value
if (sample32 < 0)
{
sample32 = -sample32;
}
// is this the max value?
if (sample32 > volume)
{
volume = sample32;
}
}
volume = (float)Math.Round(volume, 3);
_audioVolumeWriter.WriteLine("{0} {1}", TrackzamTimer.GetTimestampString(), volume);
}
private void WinEventProc(IntPtr hWinEventHook, uint eventType, IntPtr hwnd, int idObject, int idChild, uint dwEventThread, uint dwmsEventTime)
{
if (IsLogging)
{
String newLogString = TrackzamTimer.GetTimestampString() + " " + GetActiveWindowTitle();
AddLogItem(newLogString);
}
}
private IntPtr HookCallback(int nCode, IntPtr wParam, IntPtr lParam)
{
if (nCode >= 0)
{
MSLLHOOKSTRUCT hookStruct = (MSLLHOOKSTRUCT)Marshal.PtrToStructure(lParam, typeof(MSLLHOOKSTRUCT));
string typeMsg = "";
switch ((MouseMessages)wParam)
{
case MouseMessages.WM_LBUTTONDOWN: // left mouse click is down
typeMsg = "Left Click";
break;
case MouseMessages.WM_RBUTTONDOWN: // right mouse click is down
typeMsg = "Right Click";
break;
case MouseMessages.WM_MOUSEWHEEL: // mouse wheel is being used
typeMsg = "Wheel";
break;
case MouseMessages.WM_MOUSEMOVE: // mouse is moving
typeMsg = "Moving";
break;
}
if (typeMsg == "Moving")
{
if (lastMousePos.x < 0)
{
lastMousePos = hookStruct.pt;
}
if (dist(lastMousePos, hookStruct.pt) < throttle * throttle)
{
return(CallNextHookEx(_hookID, nCode, wParam, lParam));
}
else
{
lastMousePos = hookStruct.pt;
}
}
if (!String.IsNullOrEmpty(typeMsg))
{
_writer.WriteLine("{0} {1},{2} {3}", TrackzamTimer.GetTimestampString(), typeMsg, hookStruct.pt.x, hookStruct.pt.y);
}
}
return(CallNextHookEx(_hookID, nCode, wParam, lParam));
}
/// <summary>
/// Starts new recording session:
/// Creates a dedicated directory for a new session
/// Starts all recording modules
/// Shows an error windows in case of exception with the message of that exception
/// </summary>
public void StartNewSession()
{
try
{
if (!Directory.Exists(ConfigManager.StorageDirectory + "/Trackzam"))
{
Directory.CreateDirectory(ConfigManager.StorageDirectory + "/Trackzam");
}
_sessionFolderPath = Directory.CreateDirectory(ConfigManager.StorageDirectory + "/Trackzam/" + TrackzamTimer.GetNowString()).FullName;
_audioRecorder.StartRecord(_sessionFolderPath);
_keylogger.Start(_sessionFolderPath);
_mouseLogger.Start(_sessionFolderPath);
_windowLogger.StartLogging(_sessionFolderPath);
_videoRecorder.StartRecording(_sessionFolderPath);
IsSessionInProgress = true;
_startTime = TrackzamTimer.GetTimestampString();
}
catch (Exception e)
{
UIManager.ShowMessage(e.Message);
}
}
