/// <summary>
/// update all cameras
/// </summary>
/// <param name="state">vision state</param>
private void Update(WebcamVisionStereo state)
{
DateTime reference_time = new DateTime(2008, 1, 1);
int time_step_mS = (int)(1000 / state.fps);
bool grabbed = false;
time_step_mS = (int)(1000 / state.fps);
DateTime last_called = DateTime.Now;
const int sleep_time_mS = 100;
bool looping = true;
while (looping)
{
if (!Pause)
{
// grab images
if (state.active_camera)
{
DateTime start_time = DateTime.Now;
state.Grab();
_callback(_data);
grabbed = true;
TimeSpan diff = DateTime.Now.Subtract(start_time);
while ((diff.TotalMilliseconds < time_step_mS) &&
(state.Running))
{
diff = DateTime.Now.Subtract(start_time);
Thread.Sleep(sleep_time_mS);
}
}
else
{
Thread.Sleep(sleep_time_mS);
}
}
else
{
//for (int i = 0; i < 100; i++)
Thread.Sleep(sleep_time_mS);
_callback(_data);
}
if (grabbed)
{
if ((PauseFile != null) &&
(PauseFile != ""))
{
if (File.Exists(PauseFile))
{
Pause = true;
}
else
{
Pause = false;
}
}
}
// break out
if (((_loop) && (!state.Running)) ||
(!_loop))
{
looping = false;
}
}
}
/// <summary>
/// update all cameras
/// </summary>
/// <param name="state">vision state</param>
private void Update(WebcamVisionStereo state)
{
DateTime reference_time = new DateTime(2008, 1, 1);
int time_step_mS = (int)(1000 / state.fps);
bool grabbed = false;
time_step_mS = (int)(1000 / state.fps);
DateTime last_called = DateTime.Now;
const int sleep_time_mS = 100;
bool looping = true;
while (looping)
{
if (!Pause)
{
// grab images
if (state.active_camera)
{
DateTime start_time = DateTime.Now;
state.Grab();
_callback(_data);
grabbed = true;
TimeSpan diff = DateTime.Now.Subtract(start_time);
while ((diff.TotalMilliseconds < time_step_mS) &&
(state.Running))
{
diff = DateTime.Now.Subtract(start_time);
Thread.Sleep(sleep_time_mS);
}
}
else
{
Thread.Sleep(sleep_time_mS);
}
}
else
{
//for (int i = 0; i < 100; i++)
Thread.Sleep(sleep_time_mS);
_callback(_data);
}
if (grabbed)
{
if ((PauseFile != null) &&
(PauseFile != ""))
{
if (File.Exists(PauseFile))
Pause = true;
else
Pause = false;
}
}
// break out
if (((_loop) && (!state.Running)) ||
(!_loop)) looping = false;
}
}
/// <summary>
/// ThreadStart delegate
/// </summary>
public void Execute()
{
WebcamVisionStereo state = (WebcamVisionStereo)_data;
Update(state);
}
