Removed video source / format dialog calls in the Open() function

videodev-vfw.cc

@@ -226,8 +226,8 @@ int VideoDev_VFW::Open() {
   capSetUserData(cap, this);
 
   // set video source, capture format and size
-  capDlgVideoSource(cap);
-  capDlgVideoFormat(cap);
+  //capDlgVideoSource(cap);
+  //capDlgVideoFormat(cap);
 
   CAPTUREPARMS cp;
   if(!capCaptureGetSetup(cap, &cp, sizeof(cp))) {
@@ -426,7 +426,9 @@ void VideoDev_VFW::HandleMessages() {
  */
 int VideoDev_VFW::Grab(VideoFrameRaw *vf) {
 
+    // Do not know exactly why, but needed to translate/dispatch window message
     HandleMessages();
+    
     if (inframe == NULL) return VDEV_STATUS_ERROR;
 
 	if (GetFrameBufferSize() > 0) {