• Jean Delvare's avatar
    avfilter/delogo: Fix show option when band is small · 3e5b02bd
    Jean Delvare authored
    The code assumed that the outermost interpolated pixels were always in
    the fuzzy area defined by the band option. However if the band value
    is small, there may be no fuzzy area on a given plane. In that case,
    option show did not work, no rectangle was drawn (or only on the luma
    plane, depending on the band value and chroma plane subsampling
    factors.)
    
    Fix the problem by not making any assumption on where the outermost
    interpolated pixels will be.
    
    The new code was verified to produce the same result as the original
    code when the band value is not small.
    Signed-off-by: 's avatarJean Delvare <jdelvare@suse.de>
    Signed-off-by: 's avatarMichael Niedermayer <michael@niedermayer.cc>
    3e5b02bd
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