/// <summary>
/// Called for each frame
/// </summary>
/// <param name="sampleTime">Time of sample</param>
/// <param name="pBuffer">Buffer containing image</param>
/// <param name="bufferLen">size of buffer</param>
/// <returns></returns>
public int BufferCB(double sampleTime, IntPtr pBuffer, int bufferLen)
{
_frameCount++;
//stuff todo when we start up
if (!firstFrame)
{
firstFrame = true;
var vm = ViewModel.Get();
_startTime = DateTime.Now;
vm.FirstFrame = DateTime.Now.ToString("g");
vm.BufferSize = bufferLen;
}
//copy the frame to our local memory
if (_map != IntPtr.Zero)
{
CopyMemory(_map, pBuffer, bufferLen);
}
// Calculate framerate
if ((DateTime.Now - _startTime).TotalMilliseconds >= 2000)
{
ViewModel.Get().CurrentFrameRate = _frameCount / ((DateTime.Now - _startTime).TotalMilliseconds / 1000);
_frameCount = 0;
_startTime = DateTime.Now;
}
return(0);
}
/// <summary>
/// Create a bitmap
/// </summary>
private void AllocateBitmap()
{
try
{
Bitmap = Imaging.CreateBitmapSourceFromMemorySection
(_section, _width, _height,
PixelFormats.Bgr32, _width * PixelFormats.Bgr32.BitsPerPixel / 8, 0)
as InteropBitmap;
ViewModel.Get().CaptureImageCommand.OnCanExecuteChanged();
}
catch (Exception ex)
{
}
}
private static void Main(string[] args)
{
_startColor = Console.ForegroundColor;
try
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
_handler = ConsoleCtrlCheck;
_processEvent = Program_Exited;
SetConsoleCtrlHandler(_handler, true);
Process.GetCurrentProcess().Exited += _processEvent;
string url = args.Length != 1 ? InputBox.GetUrl() : args[0];
LogSuccess(url);
if (string.IsNullOrEmpty(url))
{
LogError("No RTSPsource url specified");
return;
}
bool restart = true;
while (restart)
{
using (_dlg = new VideoStatus())
{
_dlg.LoadUrl(url);
Application.Run(_dlg);
}
Thread.Sleep(5000);
restart = ViewModel.Get().AutoRestart;
}
}
catch (Exception ex)
{
LogError("Error: " + ex.Message);
LogError("-------------------------------");
LogError("Program Terminating");
}
finally
{
Console.ForegroundColor = _startColor;
}
if (_dlg != null && !_dlg.IsDisposed)
{
_dlg.Dispose();
}
LogError("Program ended");
}
/// <summary>
/// Called for each frame.
/// Check the buffer for the presence of the lost
/// video tag, if found set the view model flags and count
/// </summary>
/// <param name="sampleTime">Time of sample</param>
/// <param name="pBuffer">Buffer containing image</param>
/// <param name="bufferLen">size of buffer</param>
/// <returns></returns>
public int BufferCB(double sampleTime, IntPtr pBuffer, int bufferLen)
{
if (Marshal.ReadByte(pBuffer, 0) == 0x21 &&
Marshal.ReadByte(pBuffer, 1) == 0x44 &&
Marshal.ReadByte(pBuffer, 2) == 0x4d &&
Marshal.ReadByte(pBuffer, 3) == 0x48 &&
Marshal.ReadByte(pBuffer, 4) == 0x21)
{
ViewModel.Get().LostVideoFrameCount++;
ViewModel.Get().LostVideo = true;
}
else
{
ViewModel.Get().LostVideo = false;
ViewModel.Get().LostVideoFrameCount = 0;
}
return(0);
}
/// <summary>
/// Constructor
/// </summary>
public FilterStatus()
{
InitializeComponent();
_viewModel = ViewModel.Get();
DataContext = _viewModel;
}
