public static PipelineDemoSession Create(string pathToVideoFile, bool applyOtsuBinarization)
{
IntPtr handle;
try
{
int flags = (int)(applyOtsuBinarization ? OeipCApi.Flags.ApplyOtsuBinarization : OeipCApi.Flags.None);
handle = OeipCApi.OpenVideo(pathToVideoFile, null, flags);
}
catch (DllNotFoundException ex)
{
throw new DllNotFoundException("Can't find one or two DLLs. Make sure that front.exe's working directory has a copy of both core.dll and opencv_world450.dll!", ex);
}
if (handle == IntPtr.Zero)
{
if (File.Exists(pathToVideoFile))
{
throw new DllNotFoundException("Can't find one or more DLLs. Make sure that front.exe's working directory has a copy of both opencv_world440.dll and opencv_videoio_ffmpeg450_64.dll.");
}
else
{
throw new FileNotFoundException($"File {pathToVideoFile} was not found!");
}
}
return(new PipelineDemoSession(handle));
}
public void Dispose()
{
var h = _handle;
_handle = IntPtr.Zero;
OeipCApi.CloseVideo(h);
_cb_output = null;
}
protected PipelineDemoSession(IntPtr handle)
{
_handle = handle;
_outputs = new Dictionary <Stage, Bitmap>();
// "Pinneljuk" a delegate-et hogy ne GC-zodjon mikozben a lib meg pointert tarol ra
_cb_output = StageOutputCallback;
OeipCApi.RegisterStageOutputCallback(_handle, _cb_output);
}
public bool Step()
{
var res = OeipCApi.Step(_handle);
foreach (var kv in _outputs)
{
StageHasOutput?.Invoke(kv.Key, kv.Value);
}
return(res);
}
