'-interlace', 'plane', # progressive
'-strip', '-taint', # omit metadata
'-sampling-factor', '4:2:0', '-colorspace', 'sRGB', # half chroma
'-interlace', 'plane', # progressive
'-strip', '-taint', # omit metadata
'-sampling-factor', '4:2:0', '-colorspace', 'sRGB', # half chroma