                                      ("WebM", "*.webm"),
                                      all_files)}
          self.contexts = {
              "effmpeg": {
                  "input": {"extract": "open",
                            "gen-vid": "dir",
                            "get-fps": "open",
                            "get-info": "open",
                            "mux-audio": "open",
                            "rescale": "open",
 
</s> remove                           "get-fps": "open",
                          "get-info": "open",
                          "mux-audio": "open",
                          "rescale": "open",
                          "rotate": "open",
                          "slice": "open"},
 </s> add                           "get-fps": "filename",
                          "get-info": "filename",
                          "mux-audio": "filename",
                          "rescale": "filename",
                          "rotate": "filename",
                          "slice": "filename"}, </s> remove         if handletype.lower() in ("open", "save", "filename", "savefilename"):
 </s> add         if self.handletype.lower() == "context":
            self.set_context_handletype(command, action, variable)

        if self.handletype.lower() in (
                "open", "save", "filename", "savefilename"): </s> remove         if handletype.lower() == "open":
 </s> add         if self.handletype.lower() == "open": </s> remove         if handletype.lower() == "context":
            kwargs["filetype"] = filetype
            kwargs["command"] = command
            kwargs["action"] = action
            kwargs["variable"] = variable
 </s> add 
                "input": {"extract": "filename",
                                      ("WebM", "*.webm"),
                                      all_files)}
          self.contexts = {
              "effmpeg": {
                "input": {"extract": "filename",
                            "gen-vid": "dir",
                            "get-fps": "open",
                            "get-info": "open",
                            "mux-audio": "open",
                            "rescale": "open",
keep keep keep keep replace keep keep keep keep keep
 Gui - fix ffmpeg for windows 
lib/gui/utils.py