func (s *Stream) GetImageBuffer(root string) *images.ImageData {
	s._mu.Lock()
	defer s._mu.Unlock()
	return s.images[root]
}
// GetImageBuffer is get image bytes
GetImageBuffer is get image bytes
// GetImageBuffer is get image bytes
func (s *Stream) GetImageBuffer(root string) *images.ImageData {
	s._mu.Lock()
	defer s._mu.Unlock()
	return s.images[root]
}
func ( s * Stream ) GetImageBuffer ( root string ) * images . ImageData { s . _mu . Lock ( ) defer s . _mu . Unlock ( ) return s . images [ root ] }
GetImageBuffer is get image bytes
GetImageBuffer is get image bytes