message: Disable MSMF VideoCapture fallback to existing camera in case provided index is out of range.
diff: @@ -854,7 +854,8 @@ bool CvCapture_MSMF::configureOutput(UINT32 width, UINT32 height, double prefFra
  bool CvCapture_MSMF::open(int _index)
  {
  close();
  -
  + if (_index < 0)
  + return false;
  _ComPtr<IMFAttributes> msAttr = NULL;
  if (SUCCEEDED(MFCreateAttributes(&msAttr, 1)) &&
  SUCCEEDED(msAttr->SetGUID(
  @@ -868,7 +869,6 @@ bool CvCapture_MSMF::open(int _index)
  {
  if (count > 0)
  {
  - _index = std::min(std::max(0, _index), (int)count - 1);
  for (int ind = 0; ind < (int)count; ind++)
  {
  if (ind == _index && ppDevices[ind])
  