                               "degrees value:\ntranspose: {}\ndegrees: "
                               "{}".format(transpose, degrees))
  
          _input_opts = Effmpeg._common_ffmpeg_args[:]
          _output_opts = '-vf '
          if not preview:
              _output_opts = '-y -c:a copy ' + _output_opts
          _bilinear = ''
          if transpose is not None:
              _output_opts += 'transpose="' + str(transpose) + '"'
          elif int(degrees) != 0:
              if int(degrees) % 90 == 0 and int(degrees) != 0:
 
</s> remove         _output_opts = _fps_arg
        if not preview:
            _output_opts = '-y ' + _output_opts + ' -c:v libx264'
 </s> add         _output_opts = '-y ' + _fps_arg + ' -c:v libx264' </s> remove         _output_opts = '-vf scale="' + str(scale) + '"'
        if not preview:
            _output_opts = '-y ' + _output_opts
 </s> add         _output_opts = '-y -vf scale="' + str(scale) + '"' </s> remove                 preview=False, exe=None, **kwargs):
 </s> add                 exe=None, **kwargs): </s> remove         if not preview:
            _output_opts = '-y ' + _output_opts + "-vcodec copy -acodec copy"
 </s> add  </s> remove             if preview:
                raise ValueError("Preview for gen-vid with audio muxing is "
                                 "not supported.")
 </s> add 
        _output_opts = '-y -c:a copy -vf '
                               "degrees value:\ntranspose: {}\ndegrees: "
                               "{}".format(transpose, degrees))
  
          _input_opts = Effmpeg._common_ffmpeg_args[:]
        _output_opts = '-y -c:a copy -vf '
        _output_opts = '-y -c:a copy -vf '
        _output_opts = '-y -c:a copy -vf '
          _bilinear = ''
          if transpose is not None:
              _output_opts += 'transpose="' + str(transpose) + '"'
          elif int(degrees) != 0:
              if int(degrees) % 90 == 0 and int(degrees) != 0:
keep keep keep keep replace replace replace keep keep keep keep keep
 Bugfixes and minor updates:
  - Remove preview option from effmpeg tool
  - Remove json filetypes from GUI for alignments files
  - Capture and raise empty timelapse folder errors
  - Move convert to use centralized ImagesLoader 
tools/effmpeg/effmpeg.py