async void OnFrameAvailable(object sender, FrameReadyEventArgs e)
{
lastFrameTime = Environment.TickCount;
var img = e.BitmapSource;
CameraImage.Source = e.BitmapSource;
if (img != null)
{
device.CameraInfo.LastFrame = img;
}
if (lastCheckTime + 1000 < lastFrameTime)
{
lastCheckTime = Environment.TickCount;
var properties = await device.GetStatus();
if (properties.ContainsKey("alarm_status"))
{
// device current alarm status，0=no alarm；1=motion detection alarm；2=input alarm；3=voice detection alarm
double alarm = (double)properties["alarm_status"];
if (alarm == 1)
{
SaveFrame(e.BitmapSource);
}
}
}
}
void OnFrameAvailable(object sender, FrameReadyEventArgs e)
{
if (e.BitmapSource == null)
{
CheckUnauthorized();
}
else
{
lastFrameTime = Environment.TickCount;
HideError();
CameraImage.Source = e.BitmapSource;
device.CameraInfo.LastFrame = e.BitmapSource;
}
}
