Windows DirectX grabber: add stream guard 2

Update DxGrabber.cpp

Author: awawa-dev

sources/base/schema/schema-systemGrabber.json

@@ -92,7 +92,7 @@
 			"type" : "boolean",
 			"format": "checkbox",
 			"title" : "edt_conf_stream_guard_title",
-			"default" : true,
+			"default" : false,
 			"required" : true,
 			"propertyOrder" : 27
 		},

sources/grabber/windows/DX/DxGrabber.cpp

@@ -894,6 +894,11 @@ void DxGrabber::captureFrame(DisplayHandle& display)
 			if (_hardware)
 			{
 				status = deepScaledCopy(display, texDesktop);
+
+				if (!CHECK(status))
+				{
+					Error(_log, "DeepScaledCopy failed. Reason: %i", status);
+				}
 			}
 			else
 			{
@@ -915,6 +920,11 @@ void DxGrabber::captureFrame(DisplayHandle& display)
 				_d3dContext->Unmap(display.d3dSourceTexture, 0);
 				display.lastCapturedFrame = now;
 			}
+			else
+			{
+				Error(_log, "Cannot copy or map texture. Reason: %i. Restarting...", status);
+				_dxRestartNow = true;
+			}
 
 			SafeRelease(&texDesktop);
 		}